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{"sheet":"Instructions","index":0,"n_rows":16,"n_cols":2,"rows_kept":16,"cut":false,"hidden":false,"merged":[]}
[null,"Master NSTX Upgrade Project Reviews Recommendations Log"]
[null,"This spreadsheet tracks the chits, peer reviews and recommendations generated from the Project Reviews associated with the NSTX Upgrade.  It also contains the verification information on those items closed during the project."]
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[null,"There are three tabs in the spreadsheet:"]
[]
[null,"Tab 2 - Pivot by Resp:  This tab contains a pivot table and shows the responsible party and the number of items they are accountable for closing from the existing reviews.  The drop down fields at top will allow you to change the views to see the open, closed and/or verified items."]
[]
[null,"Tab 3 - Pivot by Item:  This tab contains a pivot table that displays the current information on the chits, peer reviews and recommendations for each responsible party.  The drop down fields at top allow you to reconfigure the data to view selective data such as open vs. closed by the accountable party."]
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[null,"Tab 4 - Pivot with Verf:  This tab contains a pivot table that displays the current information on the chits, peer reviews and recommendations for each responsible party and will also include the verification information on the closure of the item.  The drop down fields at top allow you to reconfigure the data to view selective data such as open vs. closed by the accountable party."]
[]
[null,"NOTE:  When a change occurs to the pivot tables on tabs 3 or 4, the columns will typically reformat so you will not see all the info without reformating the cells.  A Command Button is available to use to reformat the spreadsheet for better viewing.  Be sure to press the button prior to printing the information."]
[]
[]
[]
[null,"Tab 5 - Data-Reviews:  This tab contains the master data for the reviews."]

{"sheet":"Pivot by Resp","index":1,"n_rows":21,"n_cols":5,"rows_kept":21,"cut":false,"hidden":false,"merged":[]}
["Status","CLOSED"]
["Verified","NO"]
[]
["Count of Item","Review"]
["Responsibility / WBS or Job","August 2009 Peer Rvw","Oct 2009 CDR","April 2010 Peer Rvw","Grand Total"]
["Chrzanowski",9,6,3,18]
["Dudek",2,3,null,5]
["Kaita",1,null,null,1]
["Labik",null,null,3,3]
["Mangra",3,null,1,4]
["Neumeyer",1,5,null,6]
["Ramakrishnan",null,null,1,1]
["Sichta",2,2,2,6]
["Smith",1,null,1,2]
["Stevenson",null,5,null,5]
["Strykowsky",2,5,null,7]
["Titus",4,1,null,5]
["Tresemer",null,null,2,2]
["Willard",4,null,2,6]
["Zolfaghari",1,null,null,1]
["Grand Total",30,27,15,72]

{"sheet":"Pivot by Item","index":2,"n_rows":95,"n_cols":7,"rows_kept":95,"cut":false,"hidden":false,"merged":[]}
["Accountable","(All)"]
["Review","(All)"]
["Status","CLOSED",null," "]
["Verified","NO"]
[]
["Count of Item"]
["Responsibility / WBS or Job","Review:","Item","Concern/Recommendation","Comment/Action","Current Status","Total"]
["Chrzanowski","April 2010 Peer Rvw","Peer-02","Jim C - Use correct no. of turns and current on PF coils in presentation.","(blank)","VG Corrected",1]
[null,null,"Peer-05","“Organ pipe” elbows sealing gasket is trapped or unreplaceable","Will use \"Viton\" O-rings instead of hard seals so that seals can be reused instead of replacement.","(blank)",1]
[null,null,"Peer-20","CTD 101K - other large fusion projects use a variant of this which may offer a cost reduction (2X).  ","NSTX upgrades will use CTD101k since it is well documented and provides operating results as required","(blank)",1]
[null,"August 2009 Peer Rvw","Peer-08","May need some gas injection ports on bottom of CS for CHI and divertor detachment.  Contact Raman and Soukhanovskiii","(blank)","Blanchard spoke with both Roger and Vlad prior to the design review and they both agreed that the present lower dome gas injection system with four inlet tubes at 90 degrees apart is not used and will not be required for the upgrade.  \nThe lower divertor gas injection system with a single inlet tube comes in from an outer vacuum vessel port.  This system will be preserved for the NSTX upgrade but because it is on the outer vacuum vessel, and not the center stack, no changes are necessary on this system.",1]
[null,null,"Peer-14","OH conductor- Consider 4 in hand (or 3) vs. 2 in hand to limit or eliminate inline brazes","Will consider","Plan on using a continuous OH conductor unless the cost is unacceptable.  Contingency plan would be to go back to brazes.",1]
[null,null,"Peer-16","Stir Welding: 1. When will it be qualified?  2. If this fails, what are alternatives?  3. Is qualification of at least one of those (alternatives) in the plan","Need to identify backup plan to deal with this risk - E-beam weld? Braze?","E-BEAM weld is the backup. Friction stir with the planned alloy is underway and results are expected soon. Results will be available for PDR.",1]
[null,null,"Peer-17","Tensioning, verification, and monitoring of TF bolted connection - Monitor 1. Bolt Tension 2. Voltage Drop","Voltage drop instrumentation is planned, Custom Bolt tensioner use needs to be evaluated with the planned design.  ","Baseline plan is now to use Superbolts.  Instrumentation of the joints is also in the baseline plan",1]
[null,null,"Peer-18","Cold OH - Hot TF could lead to vertical tension in OH stack due to Friction or interference at interface with TF","Consider performing tests on the half lap taped slip plane.\nConsider machining the OD of the TF Grnd wall.\nConsider looking at the existing tension tube slip plane to determine effectiveness","A gap is being provided Avapour during winding.  The material can be washed out after winding and curing.  Tests are underway. Backup plan would be to use Teflon shims.",1]
[null,null,"Peer-20","Consider additional increase in TF ground wall insulation for Mechanical purposes","Manufacturing study to determine feasibility of additional ground wall","Ground wall was increased from the original design.",1]
[null,null,"Peer-21","TF turn -to-turn transitions should be balanced between top and bottom of machine in terms of toroidal progression.  Error field (e.g. at plasma boundary) after best possible nullification by PF coils to be assessed.","The offset should be 5° on top and bottom.","Complete",1]
[null,null,"Peer-27","Is it not desirable to design the TF coil insulation system assuming 2k applied voltage?","TF insulation will have capability to be tested to 3 kv","(blank)",1]
[null,null,"Peer-29","TF joint should go through full scale testing (mechanical only) prior to design approval","Effectiveness of the testing needs to be evaluated. Previous tests didn’t reveal some of the issues seen on the final joints.  \nMechanical testing isn’t adequate the issues are electrical/mechanical/thermal in nature.","The joint is 5 times more robust than the current design so testing of the actual joint is not required.  Testing of the flex connector to determine in service inspection intervals is being performed as part of the preliminary design.",1]
[null,"Oct 2009 CDR","Chit-01","Castellated ends of center rod may generate stress concentrations due to transient loads, which causes cracks to propagate especially between two adjacent conductors.  Consider alternate designs.","(blank)","Will examine present design and consider changing ends of TF bundle to accommodate transient loads.  This is being incorporated into the Preliminary Design",1]
[null,null,"Chit-03","Allowable shear stress of ~ 22MPa seems too high for epoxy resin at 100C under stress and fatigue loading.  Check if a lower value is more appropriate.  Is DZ80 primer used?","Verify vendor test data on this application, and to further document design details for the preliminary design.","Contacted CTD for available data at 100C.  Have considered using DZ80 or alternative primer to enhance bond strength with conductor\nVendor Supplied Data: \nCTD-101K\nSBS at 77K ~ 100 MPa\nSBS at 295 K ~ 65 MPa\nSBS at 373 K ~ 40 MPa",1]
[null,null,"Chit-04","Determine shear strength of CTD101 epoxy resin at 100C by direct measurement.  Explore making winding stack impregnated sample of conductor/insulation and test for fatigue at 100C.  Also, consider shear and creep at 100C. ","Concur.  See chit #3","See Chit #3",1]
[null,null,"Chit-06","Better determine the strength of the CD107 copper alloy at 100C by either direct measurement or published data specific for this alloy,","(blank)","Will contact Copper Dev Assoc for additional data on 107 at 100C",1]
[null,null,"Chit-12","On friction stir welding: does the vendor who is supplying the Cu inner TF conductor know that they have to provide a tab (of sorts) to provide a cutoff portion for the welding.","(blank)","Yes, this has been discussed with vendor during initial trials.",1]
[null,null,"Rec CS-04","Develop a supporting R&D program","(blank)","Developed document outlining R&D requirements for Upgraded Centerstack. Also developed an R&D Plan.",1]
["Chrzanowski Total",null,null,null,null,null,18]
["Dudek","August 2009 Peer Rvw","Peer-13","See if analysis of existing TF structure matches what is observed in field.  If off by a lot examine why.  You may be under / over estimating here.","OTF leg deflections should be measured","Closed- Data from previous runs has been located and data indicates the deflections are similar to those calculated.",1]
[null,null,"Peer-32","Requirement to be given in a coordinate / plane independent value rather than shear, tension, etc when possible","Will use what is in the criteria document","Closed-Criteria document has been issued",1]
[null,"Oct 2009 CDR","Chit-11","Vertical support for PF’s need added supports.  Stated design/analysis is in the works but not shown at this review.","Investigate need for additional supports","The preliminary design has been updated for the operation limits.  The PF3 coils only require an increase in weld size which will be performed in the field.  The PF 2 coil bolts are adequate and the welds are currently being analyzed.",1]
[null,null,"Chit-14","Concern about the differential thermal expansion at the interface between Cu and CuCrZr due to different electrical resistivity and other properties.  Will there be high local stress on the friction stir welded joint?","Consider/analyze/test as we approach a preliminary design.","The thermal gradient at the joint is negligible  so the thermal stresses are also negligible.  TF Flex Joint and TF Bundle Stub\nNSTX-CALC-132-06-00",1]
[null,null,"Chit-15","In Tom Willard’s presentation on slide “Current Joint Design vs. Upgrade Comparison”, there’s an error in Table 1.  The current design flattop is ~.5 seconds, not 5 seconds as shown.  This may propagate to table 3.","Typo.  correct and evaluate impact on table 3 ","This was just a typo in the table and has been corrected.",1]
["Dudek Total",null,null,null,null,null,5]
["Kaita","August 2009 Peer Rvw","Peer-03","For Kaita may need / want more TC-s in divertor region due to higher power load to divertor.  Need to make sure have enough organ pipes for additional leads.","Consider reducing number of CHI connections on top (use for bakeout only)\nOn bottom conserve organ pipes when increasing size of pedestal structure","Designer has verified that there are enough TCs in the upper and Lower divertor regions (eight in each) to address the concern raised by J. Menard.",1]
["Kaita Total",null,null,null,null,null,1]
["Labik","April 2010 Peer Rvw","Peer- 08","Can the Bay K cap for NB be modified to accommodate the MPTS Laser Dump.","No A separate new port will be designed","No A separate new port will be designed",1]
[null,null,"Peer-07","Labik needs to get a model of the 30” flange modification to Danny Mangra to verify compatibility with external upgrade hardware","(blank)","OTF Supports have been remodeled and are now compatible with the MPTS Stand",1]
[null,null,"Peer-13","Develop design for MPTS VV interface and incorporate into the project scope.  Generate WAF for the entire MPTS relocation but only include the VV interface into the project Scope.","WAF Developed and included in base estimate","WAF Developed and included in base estimate",1]
["Labik Total",null,null,null,null,null,3]
["Mangra","April 2010 Peer Rvw","Peer-06","Provide substantial clearance between TF coil brace and Thomson scattering support structure.  Clearance should at least be 1 inch","(blank)","OTF Supports have been remodeled and are now compatible with the MPTS Stand",1]
[null,"August 2009 Peer Rvw","Peer-19","Cutting vessel Ribs - need to perform reanalysis of vessel stress if modifications are being made.  New design should try to avoid existing structure.","(blank)","Closed- Latest design does not require cutting of ribs",1]
[null,null,"Peer-26","PF support system require to be insulated.  Shall be then grounded by a single point ground","(blank)","Closed - This will be incorporated and detailed as part of the final design.",1]
[null,null,"Peer-28","Need to ensure that proposed PF coil support cage will define and maintain concentricity of outer PFs with TF bundle and OH solenoid. Concerned that whole cage could wander out of alignment.","Can add support to the vessel if needed.","Closed- PF Cage has been eliminated.",1]
["Mangra Total",null,null,null,null,null,4]
["Neumeyer","August 2009 Peer Rvw","Peer-15","Advertised doubling of TF field is misleading.  One suspects that there is an unstated underlying technical reason.","(blank)","Corrected in presentation materials",1]
[null,"Oct 2009 CDR","Chit-07","Interface between TF and OH, if TF is run and OH is not, what happens?  Is this a bad condition?","Analysis indicates that this is a problem for full power TF only operation.  Investigate design options that decouple the TF & OH.  Action: C. Neumeyer/P. Titus/ J. Menard","A gap is being provided Avapour during winding.  The material can be washed out after winding and curing.  Tests are underway. Backup plan would be to use Teflon shims.",1]
[null,null,"Chit-08","The machine Protection System is discussed but the philosophy is unclear.  Is the design requirement based on this protection? Clarification is needed.  ","Specify System","The Machine Protection System, a.k.a. Digital Coil Protection System (DCPS) has been budgeted and R. Woolley has been assigned the task of writing a requirements document. Design philosophy has been incorporated in the GRD. ",1]
[null,null,"Chit-23","The OH cooling system is designed for 600PSI water. This upgrade from 400PSI will increase flow about 20%.  600PSI is a high pressure.  Suggest considering resizing holes to operate at 400PSI with back pressure to prevent any boiling.","Menard/C. Neumeyer to evaluate design points and consider trade-offs. ","A trade-study was performed to quantify the relationship between pressure, hole size, cooldown time, and magnetic flux for the design with 24kA per turn and an alternate at ~ twice the current, ~ ½ the turns, which would have ~ ½ the winding length. A conductor design was found that can provide the required cooling rate at 400 psig.",1]
[null,null,"Rec CS-01","Develop criteria for allowable load conditions that require protection by the MPS as soon as possible to be used for preliminary design. ","See 200911-08","See 200911-08",1]
[null,null,"Rec CS-03","Reconsider radial build of the centerstack to allow a more effective slip plane between the components even if there is some loss of i^2*t capability on the solenoid. ","See 200911-07","See 200911-07",1]
["Neumeyer Total",null,null,null,null,null,6]
["Ramakrishnan","April 2010 Peer Rvw","Peer-09","Raki - Check parameters on Inner PF coils on VG for correctness? (Typo)","(blank)","VG’s corrected",1]
["Ramakrishnan Total",null,null,null,null,null,1]
["Sichta","April 2010 Peer Rvw","Peer-10","Is the 10Gbit/sec network required as part of the GRD?","Yes. The 10 Gbit is an implementation to satisfy the requirement that data acquisition, analysis, and visualization should not be degraded (in light of 4x data load).","(blank)",1]
[null,null,"Peer-15","Resolve I&C requirements.  Paul should estimate scope as presented and resolve during a WAF review meeting.","WAF updated and reviewed prior to PDR.","(blank)",1]
[null,"August 2009 Peer Rvw","Peer-02","NSTX-U pulse length will increase 5x.  Increasing memory of CAMAC likely does not increase speed of data read-out and archiving.  Should consider options that can return data as fast as we presently archive instead of 5x longer.","(blank)","Additional CAMAC replacements have been included in baseline estimate",1]
[null,null,"Peer-24","Evaluate eliminating CICADA with state of the art equipment","Should perform cost analysis","Eliminating all CAMAC is out of scope for the NSTXU work-scope describe in the GRD.  Some CAMAC systems will be converted to modern technology in order to maintain present data acquisition performance.",1]
[null,"Oct 2009 CDR","Chit-24","Consider alternate solutions to the I&C system other than CAMAC.  It is old and fraught with problems and difficult to debug failures. Now may be the time to replace","evaluate.","The GRD has been revised to specify that the post-shot data acquisition and analysis time should be the same as before the upgrade.  The design presented at the PDR will consider this.\n",1]
[null,null,"Rec NB-03","Consider replacing data acquisition and I&C CAMAC systems with something more modern and reliable. ","See 200911-24","See 200911-24",1]
["Sichta Total",null,null,null,null,null,6]
["Smith","April 2010 Peer Rvw","Peer-04","TF coil alignment, what is the requirement can the spring supports be pushed / held in place for installation (note there is no metrology data on OTF leg locations)","Alignment criteria has been provided. TF outer leg alignment considerations are being worked out with the installation team.","In progress / closed.",1]
[null,"August 2009 Peer Rvw","Peer-38","1. When we go to the second stage of the upgrade to pulse every 1200 seconds, it will be necessary for the TF leads to be brought down to the MER providing a water cooled copper bus to the place where the power cables land in the MER. This requirement has to be kept in view while assigning real estate.\n2. Even though it may entail additional cost, a 4kV OH may be desirable.","Performance / design requirements have changed from a period of 1200 seconds to 2400 seconds. Therefore this CHIT is no longer valid.","Closed",1]
["Smith Total",null,null,null,null,null,2]
["Stevenson","Oct 2009 CDR","Chit-21","Consider including an interlock on plasma density as well as current, since new beams will be injecting through edge of plasma and overlapping strike point areas will increase power on armor tiles. (A redundant interlock to a pyrometer)","An interlock and operational strategy will be evaluated and delineated for PDR but the strategy still remains that the NBI armor is a sacrificial backstop to avoid heating the vessel in the event of a full power shot in the absence of plasma and with the failure of any and all interlocks. In this very unlikely event, the carbon tiles may need to be inspected and replaced. Pyrometers will be evaluated if a line of sight and range can be found but will be added for operations if needed.","A plasma current and fully redundant plasma current interlock will be provided. A Thermocouple scanner system of the armor will be provided. Closed.",1]
[null,null,"Chit-22","Consider employing pyrometer(s) to monitor the surface of the neutral beam armor tile hot spots for a real-time interlock to terminate the beam pulse.","An interlock and operational strategy will be evaluated and delineated for PDR but the strategy still remains that the NBI armor is a sacrificial backstop to avoid heating the vessel in the event of a full power shot in the absence of plasma and with the failure of any and all interlocks. In this very unlikely event, the carbon tiles may need to be inspected and replaced. Pyrometers will be evaluated if a line of sight and range can be found but will be added for operations if needed.","A plasma current and fully redundant plasma current interlock will be provided. A Thermocouple scanner system for the armor will be provided. Closed.",1]
[null,null,"Rec NB-01","Consider a more modest modification of the proposed large cutout of the vacuum vessel for the new beamline. ","Smaller cuts in the vessel were evaluated prior to arriving at the present design solution. The increased tangency radii are necessary for current drive and higher performance which are key goals of the upgrade. The increased tangency radii, the NBI fan array, and the TF outerleg at Bay K require a change to the Bay K opening because the beam trajectory cuts across the interstitial wall of the vacuum vessel between Bay K and Bay J. Because of the removal of the metal in the area to allow beam passage a cap was added to move the vacuum boundary out and to carry the stresses in this region. Rather than lose Bay J for diagnostics, the port was added to the cap also. These issues drove the size of the cap and the size of the VV hole. ","Closed.",1]
[null,null,"Rec NB-04","Incorporate better interlocks (Ip and density) and monitoring (real-time pyrometers) of the beam armor tiles. ","See 200911-22","See 200911-22",1]
[null,null,"Rec NB-05","Install and maintain strict procedures for radiological control for contaminated beamline maintenance. ","The existing beamline is assumed to be contaminated and is already treated as a radiologically contaminated beamline with full ES&H radiological procedure adherence now due to the presence of contaminated ion sources. Strict procedures exist and are employed on the existing beamline until it is show by surveys and samples to be not contaminated. This procedural approach will continue on with the new beamline also where the full regimen of HP RWP postings and support will be required for maintenance. So, due to the aforementioned sources, the very necessary procedures advocated by this chit have been in use for some time and fully meet the recommendations of the chit.","Closed",1]
["Stevenson Total",null,null,null,null,null,5]
["Strykowsky","August 2009 Peer Rvw","Peer-01","Need to append GRD to include future option of 10s pulses at reduced performance.  This could impact protection systems and data acquisition.","Out of Scope","Out of Scope - Design is based on signed version of GRD  ",1]
[null,null,"Peer-34","Need to have appropriate physics validation for choice of aspect ratio.  Less than 5% of NSTX shots have been run with A>1.5","Out of Scope","Closed",1]
[null,"Oct 2009 CDR","Chit-10","Make sure that long lead time items are accounted for (for example; CFC tiles for armor)","(blank)","Lead times for procurements in the project schedule are based on experience with similar procurements or vendor quotes.",1]
[null,null,"Chit-25","Presentation of Design before analysis in reviews would be an improvement.","Out of Scope for this review.  PPPL to consider for future reviews.","Closed",1]
[null,null,"Rec C&S-01","Complete all elements of all WAFs, maintaining a common, crisp format. ","(blank)","In process. Will be completed for the CDR in December",1]
[null,null,"Rec C&S-04","Establish and implement a staffing plan to CD-2 that accounts for monthly assignments of specific tasks, self-consistent with the resource-loaded schedule. ","Staffing plans will be prepared that show individuals by name and their loadings by month. These will be prepared on a 6-12 month rolling wave to better ensure the achievability of the schedule.","In preparation for the December 2009 OFES review.",1]
[null,null,"Rec C&S-06","Also, consider using risk matrix deadline dates to inform contingency distribution plan before Lehman CD-1 review ","Distribution of contingency as a function of time will be tempered by when risk are likely to occur.","Will be incorporated into future analyses.",1]
["Strykowsky Total",null,null,null,null,null,7]
["Titus","August 2009 Peer Rvw","Peer-05","Support structure for PF3,4,5 system adds significant structure and many interferences to NSTX.  Need to find out what is required to not modify PF3 supports, and to use vessel as coil support.","Next step look at operating cases and determine if PF3 support can be removed. ","Closed - the Preliminary Design has been simplified and interferences eliminated",1]
[null,null,"Peer-06","Need to look at forces on PF1A,B,C including plasma current (use Woolley models of plasma current distribution) Is this effect important?","An accurate simplified plasma model needs to be used","Analysis of these coils has been completed and have been found to be acceptable.",1]
[null,null,"Peer-12","Use real world geometry for existing component where possible in all analysis","Will look into incorporating the CMM data from the vessel to the degree possible","Where possible and existing component data is being incorporated. For example actual welded condition of the ribs was used to qualify the PF support ribs",1]
[null,null,"Peer-31","1. Experimental data of pullout strength of insert is not conservative enough in this situation, 2. Actual situation is differential heating copper is heated by current.  Stainless steel insert is room temperature (hot gets larger)","Perform axisymetric analysis of the insert in copper to determine the difference in strength. \nThis could also be mitigated by overdesigning the joint.","The thermal gradient at the insert is insignificant and does not weaken the joint.",1]
[null,"Oct 2009 CDR","Chit-09","Loads on TF – PF bracket unclear if degree of freedoms are satisfied.  This is probably reasonable for the CDR level.","The appropriate number of degrees of freedom are restrained. The mechanics of the tangential radius rods is the same for both the TF to vessel connection and the PF cage to TF ring connection.  A similar mechanical connection could be achieved with a sliding capture of the vessel gussets as suggested by Phil at the peer review. Vertical mismatch is accommodated with the spherical ball ends on the radius rods. If the cage is omitted, then the extra mechanism to maintain coincentricity is not needed.  ","Analysis to be completed as design matures towards a PDR.",1]
["Titus Total",null,null,null,null,null,5]
["Tresemer","April 2010 Peer Rvw","Peer-11","Consider allowing slight adjustment capability (+- 1/16”) for vertical tiles along center stack.  Allows “flats” machine on tile surfaces as microwave reflectors to be moved to compensate for clocking difference between CS and outer vacuum vessel.","Dismissed. Design changes do not affect this adjustability aspect.","(blank)",1]
[null,null,"Peer-16","Tresemer's bolt connection (Dzus fastening tech) looks like the profile will produce large stresses in the tile. Tailor the countersink appropriately.  Interesting concept though.   ","Dismissed. Not following this design line.","(blank)",1]
["Tresemer Total",null,null,null,null,null,2]
["Willard","April 2010 Peer Rvw","Peer-17","Corner stress on the TF leg shown by Willard looks like stress discontinuity, would tweak geometry, move hole and add more material before mesh refinement to see if it can be eliminated.  Also, look at stress linearization and apply NSTX criteria for evaluation. ","Response : The hole spacing was established by the minimum edge distance required by the Tap-lok inserts, and the minimum clearance required between the Supernut hardened washers.   Peak stresses occurred at the same location determined by a separate MathCAD hand analysis, where all the stresses superimpose: OOP bending stress; hoop stress; thermal stress; and in-plane bending stress. Quadrupling the mesh on the worst-case lamination resulted in an increase in the peak stress,  a shifting of the peak stress location to coincide with stiffness/ geometry discontinuities, and a reduction in the size of the peak stress area, all confirming a singularity. A stress linearization test was performed using the WB feature to determine the maximum combined primary membrane and bending stress, which was compared to the allowable stress from the design S-N fatigue curve. ","(blank)",1]
[null,null,"Peer-19","For Superbolts - torque-load curve may not match manufacturer. No bellevills with Supers.  Presentation showed bolts designed typical sm value (2/3SY). Typically, bolts can do to at least 80% proof.  ","Response from Superbolt: “Superbolts have been installed in thousands of applications over the years with no reported problems with loosening. They are covered in the following Navy documents: NSTM-075-Basic Navy Fastener manual; GYD010-Submarine Fastener manual; and NSTM-233-Steam Turbine manual.”    The Superbolt brochure shows many high cyclic load applications, all without Belleville washers: the design relies on the compliance of the nut body to maintain stud pretension. No Belleville washers or locking features will be used in the flex strap bolted joint design.   A clarification to the NSTX Design Requirements document now allows a maximum bolt preload stress of .75 Sy, and a maximum operating direct tension plus preload stress of .9 Sy.","(blank)",1]
[null,"August 2009 Peer Rvw","Peer-10","Move to go to Cu-Zr is based on one hot spot.  Stress that is from an idealized model.  If Cu-ZR cost is high then re-examine this model.  Place in Global model that does not have idealized constraints.  Also check field calcs (hand)","(blank)","Loads required use of Cu Zr in flex",1]
[null,null,"Peer-22","Depth of threaded inserts in bolted TF joint should be increase to reduce “mushrooming” effect.  Peaking of pressure around both is undesirable.","(blank)","This is in the baseline design.",1]
[null,null,"Peer-33","For TF flex laminate joint consider polishing thread and using dry lubricant possible silver plate (.0005”) to ensure clamping load is achieved without creating a torsional spring from the 3/8 x 6” bolt.","(blank)","Closed - New design uses Superbolts which are lubricated and use jack bolts",1]
[null,null,"Peer-37","Determine availability and cost of C1500 copper being suggested for TF flex (normally only rod, bar and wire)","(blank)","Copper has been procured as part of the test samples.",1]
["Willard Total",null,null,null,null,null,6]
["Zolfaghari","August 2009 Peer Rvw","Peer-23","I’m not quite sure the cooling flow analysis took into account that the new OH coils may have for example up to eight 90° bends.  Note: The model I gave Ali did not have the most current connections (it was still a work in progress)","(blank)","This was considered in the design. ",1]
["Zolfaghari Total",null,null,null,null,null,1]
["Grand Total",null,null,null,null,null,72]

{"sheet":"Pivot with Verf","index":3,"n_rows":43,"n_cols":8,"rows_kept":43,"cut":false,"hidden":false,"merged":[]}
["Accountable","(All)"]
["Review","(All)"]
["Status","(All)",null," "]
["Verified","YES"]
[]
["Count of Item"]
["Responsibility / WBS or Job","Review:","Item","Concern/Recommendation","Comment/Action","Current Status","Verification Information","Total"]
["Brooks","August 2009 Peer Rvw","Peer-36","Need to consider effect of possible lithium coating on center stack on expected temperatures under radiative thermal equilibrium model","(blank)","This is planned as part of A. Brooks analysis.","8/2/10 - Verified with Art Brooks.  The effect of possible lithium coating on the center stack on expected temperatures under radiative thermal equilibrium model was considered and data was presented in a Powerpoint presentation \"CS Thermal Analysis Status\" dated 9/30/10.",1]
["Brooks Total",null,null,null,null,null,null,1]
["Dudek","Lehman Dec 2009 CD-1","2.1-01","Magnets and Core - 1. Update FMEA to ensure any new failure modes/loading conditions associated with the upgrade are mitigated.","FMEA to be updated for PDR","FMEA has been updated and is in the process of being signed off","8/2/10 - Discussed the FMEA with Larry Dukek.  The NSTX Failure Modes and Effects analysis has been revised as needed for the NSTX upgrade.  It lastest revision was approved on 5/27/10.",1]
[null,null,"2.1-02","Magnets and Core - 2. Consider the 40 kA design for the solenoid to reduce coolant pressure and voltage. The additional cabling from the power supplies to reach the higher current can be added later.","This was considered and was found to be unacceptable since the coils would not perform well enough at 24kA, however an optimized solution using a slightly larger coolant passage was developed to work at 24kA and the existing coolant pressure.","Closed","8/2/10 - Reviewed with Larry Dudek.  The 40 kA design was considered to reduce coolant pressure and voltage.  40 kA is more than required by the GRD.  A solution was defined to provide cooldown within 20 minutes without pump & plumbing modications (detailed in a presentation \"OH Conductor Optimization Status\" by C Neumeyer dated 1/12/10).  ",1]
[null,null,"2.1-03","Magnets and Core - 3. Add the availability of additional key personnel to risk registry. ","This will be added to the risk registry.","Key personnel have been added to the Risk Register","8/2/10 - Verified that key personnal were added to the Risk Registry with Larry Dudek.  The key personnel added were J. Chrzanowski, D. Mangra, and P. Titus.  These were updated on 3/24/10 in the spreadsheet \"Risk Registry r14 rls 20100722.xls\". ",1]
[null,null,"2.3-13","Ancillary - 13. Evaluate including the additional TF cabling and bus leads to allow a 20-minute shot repetition rate.","As specified by the GRD at the full rated pulse length, the repetition period shall be 2400 sec, but upgradeable to 1200 sec. Rough estimates for upgrading now to the 1200 sec duty rate would cost an additional $500-$600K.","The TF cabling will be sized to satisfy the current GRD requirement of 2400 sec BUT will allow for a future upgrade. However, should cost opportunities present themselves this upgrade will be considered as an inclusion to the TPC. ","8/2/10 - Verfied with Larry Dudek.  The evaluation was completed by S. Ramakrishnam on the cost to achieve the upgrade.  8/2/10 - spoke with S. Ramakrishnam.  He supply the detailed calculations in a spreadsheet titled \"OH 4kV_Power_CostBreakdown 010510.xls\" which outlined the costs required to upgrade the electrical system to achieve a 20-minute shot repetition rate.  ",1]
[null,null,"2.3-15","Ancillary - 15. Complete a Failure Modes and Effects evaluation. ","See Item 200912-01","See Item 200912-01","8/2/10 - Discussed the FMEA with Larry Dukek.  The NSTX Failure Modes and Effects analysis has been revised and the lastest revision was approved on 5/27/10",1]
["Dudek Total",null,null,null,null,null,null,5]
["Perry","August 2009 Peer Rvw","Peer-39","Need a “space czar” and a drawing to reserve critical real estate around the machine to coordinate the space needs of CSU and NBIU.","(blank)","Perry is coordinating the real estate in an around the machine through the use of Lew Morris and a 3D model.","7/29/10 - Discussed with Erik Perry.  Erik explained a system is in place to ensure the area around the machine is coordinated for the space needs (i.e. CSU and NBIU) and it is maintained in drafting.  7/29/10 - Verified with John Mitchell.  John is currently responsible for maintaining the 3D model of the NSTX upgrade which coordinates the space needs.  The model is running on Pro Engineer Wildfire software and is contained in the file \"E-FA1048\".  The program produces flags \"out of date\" to help indicate where updates need to occur.  The updates are ongoing and will continue to be kept current as changes occur throughout the NSTX space.",1]
[null,null,"Peer-40","Verify test cell floor structure can handle NB loads, VV & PF cage loads, launching loads, etc","(blank)","This has been verified. ","7/29/10 - Verified with Erik Perry.  The test cell floor is rated for 3500 lbs / sq ft.  This provides the structural integrity required for the loads of the future planned additions (i.e. NB, VV & PF cage etc.)",1]
[null,"Oct 2009 CDR","Rec C&S-02","Complete all fields in the risk registry. ","(blank)","Updated and included in the CD-1 package","7/29/10 - Discussed the Risk Registry with Erik Perry.  Erik said that the appropriate fields were updated in the Risk Registry.  He supplied the latest version of the Risk Registry (\"Risk Registry r14 rls 20100722\") with the completed fields.",1]
[null,null,"Rec C&S-03","Document the risk management plan (a CD-1 requirement) in the PPEP ","(blank)","Updated and included in the CD-1 package","7/29/10 - Discussed the documenting of the Risk Management Plan with Erik Perry.  The approved NSTX Upgrade Preliminary Project Execution Plan (Revision 1 dated April 5, 2010) was discussed.  This document was supplied and reviewed.  Section 10 documents Risk Management for this project. ",1]
["Perry Total",null,null,null,null,null,null,4]
["Prager","Lehman Dec 2009 CD-1","5-21","Management and ES&H - 21. Establish project management and technical advisory committees that meet regularly and report to the PPPL Director on NSTX Upgrade project status.","PPPL agrees with the intent of this recommendation and believes the NSTX Upgrade Project and the PPPL Director's Office currently benefits from several independent advisory groups. 1) The NSTX program has an established semiannual Program Advisory Committee which focus on the program physics and machine upgrades. 2) Princeton University has established a standing PPPL Advisory Committee that presently meets semi-annually where the agenda includes NSTX physics, engineering and management issues. 3) The NSTX Upgrade Project also benefits from independent/external technical design review committees which include assessments of project management. We feel additional reviews at this time will result in minimal incremental benefits while costing additional resources. However, once the project is beyond CD-3 and into construction we will convene periodic advisory committee reviews of the project's technical and management progress.","Closed.","8/3/10 - Discussed with Stewart Prager.  Two committees meet on a regular basis.  The first is the NSTX Program Advisory Committee (PAC).  This committee meets a minimum of twice per year and reports directly to the PPPL Director.   It is a multi-national group (started in Dec 1996) chartered to review the progress of the NSTX program and includes reviews of the NSTX upgrade status.  The second is the PPPL Advisory Committee which has been meeting for approximately 1 year.  It reports to Princeton University on all PPPL activities including those associated with NSTX.  The Board itself consists of 4 members independent of PPPL.    Both a Science and Operations Committee meet twice a year and report to the Board of Directors after a review by the Advisory Board.",1]
["Prager Total",null,null,null,null,null,null,1]
["Stevenson","June 2010 PDR","Rec-08","It is understood why the second beamline controls and acquisition system will initially use CAMAC as one of its elements, but we strongly encourage the incorporation of replacement technology as soon as possible.","Will consider but not required for initial operations. Existing channels and spares are adequate.","NSTX Ops may reconsider at a later date.","07-23-10: Verified with Tim Stevenson that the review of the need to replacement of CAMAC is closed.  Although CAMAC is very old, the existing system and backups will serve adequately for initial operations.  In addition, Labview (newer system) is installed on BL1 and going to be installed on BL2 for controls purposes.  This means when NSTX Computing moves away from CAMAC then NBI can convert as needed using Labview in a short period of time.  This was revisited as it was first suggested in the Lehman Dec 2009 CD-1 review, item number 2.2-08.",1]
[null,"Lehman Dec 2009 CD-1","2.2-04","Neutral Beams - 4. Perform tests of a heated decontaminated copper part to confirm that tritium levels remain low.","Concur. Ion dump samples will be taken and heated in the source shop oven to evaluate.","Core will be removed when dump disassembled. Closed.","07-23-10: Verified with Tim Stevenson that the tests of the Ion dump copper will be performed as soon as possible or when the dump is disassembled.  If possible the cores will be taken during decon on job 2430 as this takes minimal time. The dump plate will be removed for  Ion dump refurbishment so the cores can be taken then which is documented in Job 2440.  ",1]
[null,null,"2.2-05","Neutral Beams - 5. Consider methods to improve estimates of contamination levels in NSTX due to residual NBI source and beamline contamination and evaluate the impact on the future operation and maintenance of NSTX.","Concur. Surveys and trends will provide data for a peer review in April 2010 to address this subject.","Decon Peer Review successful. Closed.","07-23-10: Verified with Tim Stevenson and confirmed this action is closed.  Data has been collected.  This data is available in the June 23rd NSTXU PDR and will also be included in the Aug 10-11 2010 MSTXU NBI Overview.  I previewed this document to confirm the inclusion of the data.",1]
[null,null,"2.2-06","Neutral Beams - 6. Estimate the increased activation level of the vessel due to the longer pulse and higher power operation and the resulting increased dose to workers.","Concur. Activation levels will require posting machine areas per normal HP procedures. However, doses will still be very low and will not preclude doing normal work. Calculations and estimates in progress. Extrapolations from existing levels after longer pulses but with higher neutron production will still be very low (<1 mR/hr) but areas will need to be posted. The actual activation will be determined by experimental operations and will be monitored and posted per normal procedures.","NTC Areas will be posted. Closed.","07-23-10: Reviewed with Tim Stevenson the process requiring the posting due to higher power operation and the resulting increased dose to workers.  Tim went through the extrapolated levels of dose that would be expected due to the increased power and reviewed the process required for posting.  The required posting will be covered by the existing procedure for posting and no changes need to be made to that procedure.  Actual activation will be measured during operations and posting will be done per procedure.",1]
[null,null,"2.2-07","Neutral Beams - 7. Consider alternative methods of protecting the NB armor tiles from excessive heating using real-time monitoring of the surface temperature.","See 200911-22","See 200911-22","07-23-10: Verified with Tim Stevenson that alternative methods of protecting the armor were considered.  The armor is designed to handle a worst case short duration direct hit in the absence of plasma without major damage. The system is also designed with safety interlocks to shutdown the NBI's in the absence of plasma to prevent a long pulse from striking the armor.  In addition, a pyrometer has been included in the controls job.  During operations, investigation of installing the pyrometer to further monitor the effects of the neutral beam on the armor will be pursued.  An IR camera will also be considered.",1]
[null,null,"2.2-08","Neutral Beams - 8. Consider replacing old Computer Automated measurement and Control (CAMAC) hardware with modern technology.","Will consider but not required for initial operations. Existing channels and spares are adequate.","NSTX Ops may reconsider at a later date.","07-23-10: Verified with Tim Stevenson that the review of the need to replacement of CAMAC is closed.  Although CAMAC is very old, the existing system and backups will serve adequately for initial operations.  In addition, Labview (newer system) is installed on BL1 and going to be installed on BL2 for controls purposes.  This means when NSTX Computing moves away from CAMAC then NBI can convert as needed using Labview in a short period of time.  This was revisited as it was first suggested in the Lehman Dec 2009 CD-1 review, item number 2.2-08.",1]
[null,null,"2.2-09","Neutral Beams - 9. Additional effort should be directed at evaluating the process of machining and installation of the large midplane port to reduce schedule and cost risk.","Concur. Cutting tests on SS have been performed prior to PDR.","Tests of gas shield plasma cutter on half inch SS have been completed and proven to produce excellent results. ","07-23-10: Verified with Tim Stevenson that plasma cutter tests have been performed on stainless steel to demonstrate that this technique can be successfully employed to enlarge the midplane port.  This information was presented at the June 23rd NSTXU PDR.  Further plasma cutting tests continue to fine tune the process prior to using on NSTX.",1]
[null,null,"2.2-10","Neutral Beams - 10. Perform early vendor search (both domestic and foreign) for the large bellows.","Concur.","Vendor found and prelim quote provided (included in estimate).","07-23-10: Verified with Tim Stevenson that a vendor search was performed.  The vendor that was identified from the search was Bellow Tech who provided a budgetary quote.  Other vendors were also considered for various phases of manufacture. Coinciding with this search, PPPL is investigating the in-house ability to produce the large bellows.",1]
[null,null,"2.2-11","Neutral Beams - 11. Re-examine the design to determine whether one of the large bellows can be eliminated.","Concur.","Two bellows evaluated and both are required. Rectangular bellows takes radial and vertical growth during bakeout. Circular bellows collapses for TIV removal and to provide clearance for assembly/disassembly of duct. Hard mounting of TVPS between dictates the use of both bellows. Costs for both are included in job.","07-23-10: Verified with Tim Stevenson that the review to determine if one bellows can be eliminated was performed.  Conclusion remains that both bellows are required. One bellows allows for bakeout growth of the machine and isolates the Torus Vacuum Pumping System.  The second bellows allows the TIV to be chaned without disturbing the TVPS. This arrangement allows for easier access for installation and maintenance as well as to accommodate for the shifting of the reactor during bakeout.",1]
[null,null,"2.2-12","Neutral Beams - 12. The full cost of all diagnostic relocations should be included in the project costs.","Cost for removing and re-installation diagnostic hardware necessary to gain access to the machine and to facilitate installation of the CS and NBI  are included in the project scope. Modifications to diagnostics necessitated by upgrade operational levels are not included in the project scope BUT will be covered by the NSTX Program operation activity. Accommodations for Diagnostics have been made on VV. MPTS job included for interface required to re-aim MPTS.","Appropriate scope included in Upgrade cost. Other Diagnostic scope included in NSTX Program Operations. Closed.","07-23-10: Verified with Tim Stevenson that all agreed upon diagnostic relocations are included in the project costs.  The largest job for MPTS is confirmed in Job 4500.",1]
["Stevenson Total",null,null,null,null,null,null,10]
["Strykowsky","June 2010 PDR","Rec-15","Continue implementing the detailed forward-looking (3-6 months out) staffing plan at all times.","The resource loaded schedule will be updated to reflect names of engineers and designers at least through the FDR","Complete","7-27-10 - Verified with Ron Strykowsky.  A detailed plan is in place utilizing an Excel spreadsheet titled \"MASTER CD2 preliminary CONSTRAINTED cost 20100726\".  This shows a staffing plan out to September 2011.",1]
[null,"Lehman Dec 2009 CD-1","3-16","Cost Estimate - 16. Develop a mutually agreed funding profile between DOE/FES and the project by January 2, 2010.","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.",1]
[null,null,"3-17","Cost Estimate - 17. Update all project documents and submit for CD-1 approval. ","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.",1]
[null,null,"4-18","Schedule and Funding - 18. Develop a mutually agreed upon funding profile between DOE/FES and the project by January 2, 2010.","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.",1]
[null,null,"4-19","Schedule and Funding - 19. Update all project documents and submit for CD-1 approval. ","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.",1]
[null,null,"5-20","Management and ES&H - 20. Work with DOE/FES to develop a plan that is consistent with a mutually agreed upon funding profile and meets technical scope, cost, and schedule requirements with adequate contingency. Include agreement on CD-4 completion requirements. Update all documents based on this realistic project funding profile and submit for CD-1 approval (Prior to CD-1).","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.",1]
["Strykowsky Total",null,null,null,null,null,null,6]
["Viola","August 2009 Peer Rvw","Peer-25","Build a simple mockup of the PF coil support structure to evaluate the design concept during the 2009 outage.","(blank)","Closed The PF Cage was greatly simplified and a mockup is not required.","7/29/2010 - Verified in conversation with Mike Viola.  A mockup of the PF coil support structure was not required as the cage was eliminated.",1]
["Viola Total",null,null,null,null,null,null,1]
["Grand Total",null,null,null,null,null,null,28]

{"sheet":"Data-Reviews","index":4,"n_rows":151,"n_cols":13,"rows_kept":151,"cut":false,"hidden":false,"merged":[]}
["Date Ref","Review","Item","Concern/Recommendation","Responsibility / WBS or Job","Comment/Action","Current Status","Status","Verified","Verification Information","Verified By","Accountable","Review:"]
["200908-01","August 2009 Peer Rvw","Peer-01","Need to append GRD to include future option of 10s pulses at reduced performance.  This could impact protection systems and data acquisition.","Strykowsky","Out of Scope","Out of Scope - Design is based on signed version of GRD  ","CLOSED","NO",null,null,{"$f":"E2","v":"Strykowsky"},{"$f":"B2","v":"August 2009 Peer Rvw"}]
["200908-02","August 2009 Peer Rvw","Peer-02","NSTX-U pulse length will increase 5x.  Increasing memory of CAMAC likely does not increase speed of data read-out and archiving.  Should consider options that can return data as fast as we presently archive instead of 5x longer.","Sichta",null,"Additional CAMAC replacements have been included in baseline estimate","CLOSED","NO",null,null,"Sichta",{"$f":"B3","v":"August 2009 Peer Rvw"}]
["200908-03","August 2009 Peer Rvw","Peer-03","For Kaita may need / want more TC-s in divertor region due to higher power load to divertor.  Need to make sure have enough organ pipes for additional leads.","Kaita","Consider reducing number of CHI connections on top (use for bakeout only)\nOn bottom conserve organ pipes when increasing size of pedestal structure","Designer has verified that there are enough TCs in the upper and Lower divertor regions (eight in each) to address the concern raised by J. Menard.","CLOSED","NO",null,null,"Kaita","August 2009 Peer Rvw"]
["200908-04","August 2009 peer Rvw","Peer-04","Recent CHI experiments indicate fast response (high slew rate) of absorber coils is very important.  The PF1BU and PF1CU coils may now be too inductive to use TRANSREX supplies.  Need to assess if SPA or other supply is needed, or if coil needs to be redesigned.","Ramakrishnan","Coils may not be able to be powered by supplies that are planned.  Need to verify that they are suitable for the PS.",null,"OPEN","NO",null,null,"Ramakrishnan","August 2009 peer Rvw"]
["200908-05","August 2009 Peer Rvw","Peer-05","Support structure for PF3,4,5 system adds significant structure and many interferences to NSTX.  Need to find out what is required to not modify PF3 supports, and to use vessel as coil support.","Titus","Next step look at operating cases and determine if PF3 support can be removed. ","Closed - the Preliminary Design has been simplified and interferences eliminated","CLOSED","NO",null,null,"Titus","August 2009 Peer Rvw"]
["200908-06","August 2009 Peer Rvw","Peer-06","Need to look at forces on PF1A,B,C including plasma current (use Woolley models of plasma current distribution) Is this effect important?","Titus","An accurate simplified plasma model needs to be used","Analysis of these coils has been completed and have been found to be acceptable.","CLOSED","NO",null,null,"Titus","August 2009 Peer Rvw"]
["200908-07","August 2009 Peer Rvw","Peer-07","Divertor surfaces could get quite hot.  Need thermal analysis of temp. in o-ring region to ensure o-rings wont melt, or spec. cooling requirement","Brooks","Myatt and Brooks working on analysis",null,"OPEN","NO",null,null,"Brooks","August 2009 Peer Rvw"]
["200908-08","August 2009 Peer Rvw","Peer-08","May need some gas injection ports on bottom of CS for CHI and divertor detachment.  Contact Raman and Soukhanovskiii","Chrzanowski",null,"Blanchard spoke with both Roger and Vlad prior to the design review and they both agreed that the present lower dome gas injection system with four inlet tubes at 90 degrees apart is not used and will not be required for the upgrade.  \nThe lower divertor gas injection system with a single inlet tube comes in from an outer vacuum vessel port.  This system will be preserved for the NSTX upgrade but because it is on the outer vacuum vessel, and not the center stack, no changes are necessary on this system.","CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-09","August 2009 peer Rvw","Peer-09","All analysis should be using the Len Myatt adopted 9 worst case load scenarios","Titus","Good idea in the long run. But premature for now.",null,"OPEN","NO",null,null,"Titus","August 2009 peer Rvw"]
["200908-10","August 2009 Peer Rvw","Peer-10","Move to go to Cu-Zr is based on one hot spot.  Stress that is from an idealized model.  If Cu-ZR cost is high then re-examine this model.  Place in Global model that does not have idealized constraints.  Also check field calcs (hand)","Willard",null,"Loads required use of Cu Zr in flex","CLOSED","NO",null,null,"Willard","August 2009 Peer Rvw"]
["200908-11","August 2009 peer Rvw","Peer-11","Look at how many cycles have already been performed on components -> get accurate count.  Then specify how many new/ extra cycles are needed.  Is it 30,000 / 3,000 more or 60k?","Titus","Need to find to correct criteria.  Use equiv. full field shots.",null,"OPEN","NO",null,null,"Titus","August 2009 peer Rvw"]
["200908-12","August 2009 Peer Rvw","Peer-12","Use real world geometry for existing component where possible in all analysis","Titus","Will look into incorporating the CMM data from the vessel to the degree possible","Where possible and existing component data is being incorporated. For example actual welded condition of the ribs was used to qualify the PF support ribs","CLOSED","NO",null,null,"Titus","August 2009 Peer Rvw"]
["200908-13","August 2009 Peer Rvw","Peer-13","See if analysis of existing TF structure matches what is observed in field.  If off by a lot examine why.  You may be under / over estimating here.","Dudek","OTF leg deflections should be measured","Closed- Data from previous runs has been located and data indicates the deflections are similar to those calculated.","CLOSED","NO",null,null,"Dudek","August 2009 Peer Rvw"]
["200908-14","August 2009 Peer Rvw","Peer-14","OH conductor- Consider 4 in hand (or 3) vs. 2 in hand to limit or eliminate inline brazes","Chrzanowski","Will consider","Plan on using a continuous OH conductor unless the cost is unacceptable.  Contingency plan would be to go back to brazes.","CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-15","August 2009 Peer Rvw","Peer-15","Advertised doubling of TF field is misleading.  One suspects that there is an unstated underlying technical reason.","Neumeyer",null,"Corrected in presentation materials","CLOSED","NO",null,null,"Neumeyer","August 2009 Peer Rvw"]
["200908-16","August 2009 Peer Rvw","Peer-16","Stir Welding: 1. When will it be qualified?  2. If this fails, what are alternatives?  3. Is qualification of at least one of those (alternatives) in the plan","Chrzanowski","Need to identify backup plan to deal with this risk - E-beam weld? Braze?","E-BEAM weld is the backup. Friction stir with the planned alloy is underway and results are expected soon. Results will be available for PDR.","CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-17","August 2009 Peer Rvw","Peer-17","Tensioning, verification, and monitoring of TF bolted connection - Monitor 1. Bolt Tension 2. Voltage Drop","Chrzanowski","Voltage drop instrumentation is planned, Custom Bolt tensioner use needs to be evaluated with the planned design.  ","Baseline plan is now to use Superbolts.  Instrumentation of the joints is also in the baseline plan","CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-18","August 2009 Peer Rvw","Peer-18","Cold OH - Hot TF could lead to vertical tension in OH stack due to Friction or interference at interface with TF","Chrzanowski","Consider performing tests on the half lap taped slip plane.\nConsider machining the OD of the TF Grnd wall.\nConsider looking at the existing tension tube slip plane to determine effectiveness","A gap is being provided Avapour during winding.  The material can be washed out after winding and curing.  Tests are underway. Backup plan would be to use Teflon shims.","CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-19","August 2009 Peer Rvw","Peer-19","Cutting vessel Ribs - need to perform reanalysis of vessel stress if modifications are being made.  New design should try to avoid existing structure.","Mangra",null,"Closed- Latest design does not require cutting of ribs","CLOSED","NO",null,null,"Mangra","August 2009 Peer Rvw"]
["200908-20","August 2009 Peer Rvw","Peer-20","Consider additional increase in TF ground wall insulation for Mechanical purposes","Chrzanowski","Manufacturing study to determine feasibility of additional ground wall","Ground wall was increased from the original design.","CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-21","August 2009 Peer Rvw","Peer-21","TF turn -to-turn transitions should be balanced between top and bottom of machine in terms of toroidal progression.  Error field (e.g. at plasma boundary) after best possible nullification by PF coils to be assessed.","Chrzanowski","The offset should be 5° on top and bottom.","Complete","Closed","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-22","August 2009 Peer Rvw","Peer-22","Depth of threaded inserts in bolted TF joint should be increase to reduce “mushrooming” effect.  Peaking of pressure around both is undesirable.","Willard",null,"This is in the baseline design.","CLOSED","NO",null,null,"Willard","August 2009 Peer Rvw"]
["200908-23","August 2009 Peer Rvw","Peer-23","I’m not quite sure the cooling flow analysis took into account that the new OH coils may have for example up to eight 90° bends.  Note: The model I gave Ali did not have the most current connections (it was still a work in progress)","Zolfaghari",null,"This was considered in the design. ","CLOSED","NO",null,null,"Zolfaghari","August 2009 Peer Rvw"]
["200908-24","August 2009 Peer Rvw","Peer-24","Evaluate eliminating CICADA with state of the art equipment","Sichta","Should perform cost analysis","Eliminating all CAMAC is out of scope for the NSTXU work-scope describe in the GRD.  Some CAMAC systems will be converted to modern technology in order to maintain present data acquisition performance.","CLOSED","NO",null,null,"Sichta","August 2009 Peer Rvw"]
["200908-25","August 2009 Peer Rvw","Peer-25","Build a simple mockup of the PF coil support structure to evaluate the design concept during the 2009 outage.","Viola",null,"Closed The PF Cage was greatly simplified and a mockup is not required.","CLOSED","YES","7/29/2010 - Verified in conversation with Mike Viola.  A mockup of the PF coil support structure was not required as the cage was eliminated.","Jedic","Viola","August 2009 Peer Rvw"]
["200908-26","August 2009 Peer Rvw","Peer-26","PF support system require to be insulated.  Shall be then grounded by a single point ground","Mangra",null,"Closed - This will be incorporated and detailed as part of the final design.","CLOSED","NO",null,null,"Mangra","August 2009 Peer Rvw"]
["200908-27","August 2009 Peer Rvw","Peer-27","Is it not desirable to design the TF coil insulation system assuming 2k applied voltage?","Chrzanowski","TF insulation will have capability to be tested to 3 kv",null,"CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-28","August 2009 Peer Rvw","Peer-28","Need to ensure that proposed PF coil support cage will define and maintain concentricity of outer PFs with TF bundle and OH solenoid. Concerned that whole cage could wander out of alignment.","Mangra","Can add support to the vessel if needed.","Closed- PF Cage has been eliminated.","CLOSED","NO",null,null,"Mangra","August 2009 Peer Rvw"]
["200908-29","August 2009 Peer Rvw","Peer-29","TF joint should go through full scale testing (mechanical only) prior to design approval","Chrzanowski","Effectiveness of the testing needs to be evaluated. Previous tests didn’t reveal some of the issues seen on the final joints.  \nMechanical testing isn’t adequate the issues are electrical/mechanical/thermal in nature.","The joint is 5 times more robust than the current design so testing of the actual joint is not required.  Testing of the flex connector to determine in service inspection intervals is being performed as part of the preliminary design.","CLOSED","NO",null,null,"Chrzanowski","August 2009 Peer Rvw"]
["200908-30","August 2009 peer Rvw","Peer-30","VV Plates - 1. The 5% “Theta”~10 is too high a damping factor for SST.  SST<0.1%  ~ 0.05% (.0005),   2. Stability criteria (buckling) due to sum of all stress  vacuum + support (TF) + dynamic is buckling of vessel","Zolfaghari","Will look at load damping and numerical damping. ",null,"OPEN","NO",null,null,"Zolfaghari","August 2009 peer Rvw"]
["200908-31","August 2009 Peer Rvw","Peer-31","1. Experimental data of pullout strength of insert is not conservative enough in this situation, 2. Actual situation is differential heating copper is heated by current.  Stainless steel insert is room temperature (hot gets larger)","Titus","Perform axisymetric analysis of the insert in copper to determine the difference in strength. \nThis could also be mitigated by overdesigning the joint.","The thermal gradient at the insert is insignificant and does not weaken the joint.","CLOSED","NO",null,null,"Titus","August 2009 Peer Rvw"]
["200908-32","August 2009 Peer Rvw","Peer-32","Requirement to be given in a coordinate / plane independent value rather than shear, tension, etc when possible","Dudek","Will use what is in the criteria document","Closed-Criteria document has been issued","CLOSED","NO",null,null,"Dudek","August 2009 Peer Rvw"]
["200908-33","August 2009 Peer Rvw","Peer-33","For TF flex laminate joint consider polishing thread and using dry lubricant possible silver plate (.0005”) to ensure clamping load is achieved without creating a torsional spring from the 3/8 x 6” bolt.","Willard",null,"Closed - New design uses Superbolts which are lubricated and use jack bolts","CLOSED","NO",null,null,{"$f":"E34","v":"Willard"},"August 2009 Peer Rvw"]
["200908-34","August 2009 Peer Rvw","Peer-34","Need to have appropriate physics validation for choice of aspect ratio.  Less than 5% of NSTX shots have been run with A>1.5","Strykowsky","Out of Scope","Closed","CLOSED","NO",null,null,"Strykowsky","August 2009 Peer Rvw"]
["200908-35","August 2009 peer Rvw","Peer-35","Raising TF feed current to 130Ka raises concerns about inductive energy stored in busswork, switchgear etc and consequences of failures.  Need thorough FMEA including power supplies.","Ramakrishnan",null,null,"OPEN","NO",null,null,"Ramakrishnan","August 2009 peer Rvw"]
["200908-36","August 2009 Peer Rvw","Peer-36","Need to consider effect of possible lithium coating on center stack on expected temperatures under radiative thermal equilibrium model","Brooks",null,"This is planned as part of A. Brooks analysis.","CLOSED","YES","8/2/10 - Verified with Art Brooks.  The effect of possible lithium coating on the center stack on expected temperatures under radiative thermal equilibrium model was considered and data was presented in a Powerpoint presentation \"CS Thermal Analysis Status\" dated 9/30/10.","Jedic","Brooks","August 2009 Peer Rvw"]
["200908-37","August 2009 Peer Rvw","Peer-37","Determine availability and cost of C1500 copper being suggested for TF flex (normally only rod, bar and wire)","Willard",null,"Copper has been procured as part of the test samples.","CLOSED","NO",null,null,"Willard","August 2009 Peer Rvw"]
["200908-38","August 2009 Peer Rvw","Peer-38","1. When we go to the second stage of the upgrade to pulse every 1200 seconds, it will be necessary for the TF leads to be brought down to the MER providing a water cooled copper bus to the place where the power cables land in the MER. This requirement has to be kept in view while assigning real estate.\n2. Even though it may entail additional cost, a 4kV OH may be desirable.","Smith","Performance / design requirements have changed from a period of 1200 seconds to 2400 seconds. Therefore this CHIT is no longer valid.","Closed","CLOSED","NO",null,null,"Smith","August 2009 Peer Rvw"]
["200908-39","August 2009 Peer Rvw","Peer-39","Need a “space czar” and a drawing to reserve critical real estate around the machine to coordinate the space needs of CSU and NBIU.","Perry",null,"Perry is coordinating the real estate in an around the machine through the use of Lew Morris and a 3D model.","CLOSED","YES","7/29/10 - Discussed with Erik Perry.  Erik explained a system is in place to ensure the area around the machine is coordinated for the space needs (i.e. CSU and NBIU) and it is maintained in drafting.  7/29/10 - Verified with John Mitchell.  John is currently responsible for maintaining the 3D model of the NSTX upgrade which coordinates the space needs.  The model is running on Pro Engineer Wildfire software and is contained in the file \"E-FA1048\".  The program produces flags \"out of date\" to help indicate where updates need to occur.  The updates are ongoing and will continue to be kept current as changes occur throughout the NSTX space.","Jedic","Perry","August 2009 Peer Rvw"]
["200908-40","August 2009 Peer Rvw","Peer-40","Verify test cell floor structure can handle NB loads, VV & PF cage loads, launching loads, etc","Perry",null,"This has been verified. ","CLOSED","YES","7/29/10 - Verified with Erik Perry.  The test cell floor is rated for 3500 lbs / sq ft.  This provides the structural integrity required for the loads of the future planned additions (i.e. NB, VV & PF cage etc.)","Jedic","Perry","August 2009 Peer Rvw"]
["200911-01","Oct 2009 CDR","Chit-01","Castellated ends of center rod may generate stress concentrations due to transient loads, which causes cracks to propagate especially between two adjacent conductors.  Consider alternate designs.","Chrzanowski",null,"Will examine present design and consider changing ends of TF bundle to accommodate transient loads.  This is being incorporated into the Preliminary Design","CLOSED","NO",null,null,"Chrzanowski","Oct 2009 CDR"]
["200911-02","Oct 2009 CDR","Chit-02","Consider using “CONFORM” extrusion process to make long conductors to avoid in-line braze joints.  Luvata (Finland) have developed conform for copper conductors but may need to limit the silver content.","Chrzanowski","Investigate process, including the impact of reduced silver content.","Good suggestion- This process will be  investigated in regards to the OH conductor. This will be done once the conductor design is far enough along to contact vendors for procurement information.","OPEN","NO",null,null,"Chrzanowski","Oct 2009 CDR"]
["200911-03","Oct 2009 CDR","Chit-03","Allowable shear stress of ~ 22MPa seems too high for epoxy resin at 100C under stress and fatigue loading.  Check if a lower value is more appropriate.  Is DZ80 primer used?","Chrzanowski","Verify vendor test data on this application, and to further document design details for the preliminary design.","Contacted CTD for available data at 100C.  Have considered using DZ80 or alternative primer to enhance bond strength with conductor\nVendor Supplied Data: \nCTD-101K\nSBS at 77K ~ 100 MPa\nSBS at 295 K ~ 65 MPa\nSBS at 373 K ~ 40 MPa","CLOSED","NO",null,null,"Chrzanowski","Oct 2009 CDR"]
["200911-04","Oct 2009 CDR","Chit-04","Determine shear strength of CTD101 epoxy resin at 100C by direct measurement.  Explore making winding stack impregnated sample of conductor/insulation and test for fatigue at 100C.  Also, consider shear and creep at 100C. ","Chrzanowski","Concur.  See chit #3","See Chit #3","CLOSED","NO",null,null,"Chrzanowski","Oct 2009 CDR"]
["200911-05","Oct 2009 CDR","Chit-05","TF Outer legs should be characterized for present mechanical strength since they will be subject to higher point loads at support points.  Consider using the TF leg removed because of the water leak to get samples for static and fatigue testing.","Dudek","Consider tests on the unused outer TF leg to evaluate delamination, coil movement, etc.","This will be evaluated as part of the preliminary design.  The plan was to repair this leg once off and keep as a spare.  It that plan is not implemented we can perform the test. (Action: Mangra and Chrzanowski)","OPEN","NO",null,null,"Dudek","Oct 2009 CDR"]
["200911-06","Oct 2009 CDR","Chit-06","Better determine the strength of the CD107 copper alloy at 100C by either direct measurement or published data specific for this alloy,","Chrzanowski",null,"Will contact Copper Dev Assoc for additional data on 107 at 100C","CLOSED","NO",null,null,"Chrzanowski","Oct 2009 CDR"]
["200911-07","Oct 2009 CDR","Chit-07","Interface between TF and OH, if TF is run and OH is not, what happens?  Is this a bad condition?","Neumeyer","Analysis indicates that this is a problem for full power TF only operation.  Investigate design options that decouple the TF & OH.  Action: C. Neumeyer/P. Titus/ J. Menard","A gap is being provided Avapour during winding.  The material can be washed out after winding and curing.  Tests are underway. Backup plan would be to use Teflon shims.","CLOSED","NO",null,null,"Neumeyer","Oct 2009 CDR"]
["200911-08","Oct 2009 CDR","Chit-08","The machine Protection System is discussed but the philosophy is unclear.  Is the design requirement based on this protection? Clarification is needed.  ","Neumeyer","Specify System","The Machine Protection System, a.k.a. Digital Coil Protection System (DCPS) has been budgeted and R. Woolley has been assigned the task of writing a requirements document. Design philosophy has been incorporated in the GRD. ","CLOSED","NO",null,null,"Neumeyer","Oct 2009 CDR"]
["200911-09","Oct 2009 CDR","Chit-09","Loads on TF – PF bracket unclear if degree of freedoms are satisfied.  This is probably reasonable for the CDR level.","Titus","The appropriate number of degrees of freedom are restrained. The mechanics of the tangential radius rods is the same for both the TF to vessel connection and the PF cage to TF ring connection.  A similar mechanical connection could be achieved with a sliding capture of the vessel gussets as suggested by Phil at the peer review. Vertical mismatch is accommodated with the spherical ball ends on the radius rods. If the cage is omitted, then the extra mechanism to maintain coincentricity is not needed.  ","Analysis to be completed as design matures towards a PDR.","CLOSED","NO",null,null,"Titus","Oct 2009 CDR"]
["200911-10","Oct 2009 CDR","Chit-10","Make sure that long lead time items are accounted for (for example; CFC tiles for armor)","Strykowsky",null,"Lead times for procurements in the project schedule are based on experience with similar procurements or vendor quotes.","CLOSED","NO",null,null,"Strykowsky","Oct 2009 CDR"]
["200911-11","Oct 2009 CDR","Chit-11","Vertical support for PF’s need added supports.  Stated design/analysis is in the works but not shown at this review.","Dudek","Investigate need for additional supports","The preliminary design has been updated for the operation limits.  The PF3 coils only require an increase in weld size which will be performed in the field.  The PF 2 coil bolts are adequate and the welds are currently being analyzed.","CLOSED","NO",null,null,"Dudek","Oct 2009 CDR"]
["200911-12","Oct 2009 CDR","Chit-12","On friction stir welding: does the vendor who is supplying the Cu inner TF conductor know that they have to provide a tab (of sorts) to provide a cutoff portion for the welding.","Chrzanowski",null,"Yes, this has been discussed with vendor during initial trials.","CLOSED","NO",null,null,"Chrzanowski","Oct 2009 CDR"]
["200911-13","Oct 2009 CDR","Chit-13","Impact of as-built on analysis.  Buckling failure mode sensitive to geometry.  Fatigue failure mode sensitive to current cyclic life.","Titus",null,"Analysis to be completed as design matures towards a PDR.  This is being addressed as out-of round/or other imperfections are found in, primarily, the vessel. So far these are not an issue. One point raised in this discussion at the CDR was the shift in current centers and the magnetic stability of neighboring coils that are not perfectly concentric. This is being addressed analytically to assess resulting loads on the coils and the ability of the supports to take the lateral loads.","OPEN","NO",null,null,"Titus","Oct 2009 CDR"]
["200911-14","Oct 2009 CDR","Chit-14","Concern about the differential thermal expansion at the interface between Cu and CuCrZr due to different electrical resistivity and other properties.  Will there be high local stress on the friction stir welded joint?","Dudek","Consider/analyze/test as we approach a preliminary design.","The thermal gradient at the joint is negligible  so the thermal stresses are also negligible.  TF Flex Joint and TF Bundle Stub\nNSTX-CALC-132-06-00","CLOSED","NO",null,null,"Dudek","Oct 2009 CDR"]
["200911-15","Oct 2009 CDR","Chit-15","In Tom Willard’s presentation on slide “Current Joint Design vs. Upgrade Comparison”, there’s an error in Table 1.  The current design flattop is ~.5 seconds, not 5 seconds as shown.  This may propagate to table 3.","Dudek","Typo.  correct and evaluate impact on table 3 ","This was just a typo in the table and has been corrected.","CLOSED","NO",null,null,"Dudek","Oct 2009 CDR"]
["200911-21","Oct 2009 CDR","Chit-21","Consider including an interlock on plasma density as well as current, since new beams will be injecting through edge of plasma and overlapping strike point areas will increase power on armor tiles. (A redundant interlock to a pyrometer)","Stevenson","An interlock and operational strategy will be evaluated and delineated for PDR but the strategy still remains that the NBI armor is a sacrificial backstop to avoid heating the vessel in the event of a full power shot in the absence of plasma and with the failure of any and all interlocks. In this very unlikely event, the carbon tiles may need to be inspected and replaced. Pyrometers will be evaluated if a line of sight and range can be found but will be added for operations if needed.","A plasma current and fully redundant plasma current interlock will be provided. A Thermocouple scanner system of the armor will be provided. Closed.","CLOSED","NO",null,null,"Stevenson","Oct 2009 CDR"]
["200911-22","Oct 2009 CDR","Chit-22","Consider employing pyrometer(s) to monitor the surface of the neutral beam armor tile hot spots for a real-time interlock to terminate the beam pulse.","Stevenson","An interlock and operational strategy will be evaluated and delineated for PDR but the strategy still remains that the NBI armor is a sacrificial backstop to avoid heating the vessel in the event of a full power shot in the absence of plasma and with the failure of any and all interlocks. In this very unlikely event, the carbon tiles may need to be inspected and replaced. Pyrometers will be evaluated if a line of sight and range can be found but will be added for operations if needed.","A plasma current and fully redundant plasma current interlock will be provided. A Thermocouple scanner system for the armor will be provided. Closed.","CLOSED","NO",null,null,"Stevenson","Oct 2009 CDR"]
["200911-23","Oct 2009 CDR","Chit-23","The OH cooling system is designed for 600PSI water. This upgrade from 400PSI will increase flow about 20%.  600PSI is a high pressure.  Suggest considering resizing holes to operate at 400PSI with back pressure to prevent any boiling.","Neumeyer","Menard/C. Neumeyer to evaluate design points and consider trade-offs. ","A trade-study was performed to quantify the relationship between pressure, hole size, cooldown time, and magnetic flux for the design with 24kA per turn and an alternate at ~ twice the current, ~ ½ the turns, which would have ~ ½ the winding length. A conductor design was found that can provide the required cooling rate at 400 psig.","CLOSED","NO",null,null,"Neumeyer","Oct 2009 CDR"]
["200911-24","Oct 2009 CDR","Chit-24","Consider alternate solutions to the I&C system other than CAMAC.  It is old and fraught with problems and difficult to debug failures. Now may be the time to replace","Sichta","evaluate.","The GRD has been revised to specify that the post-shot data acquisition and analysis time should be the same as before the upgrade.  The design presented at the PDR will consider this.\n","CLOSED","NO",null,null,"Sichta","Oct 2009 CDR"]
["200911-25","Oct 2009 CDR","Chit-25","Presentation of Design before analysis in reviews would be an improvement.","Strykowsky","Out of Scope for this review.  PPPL to consider for future reviews.","Closed","CLOSED","NO",null,null,"Strykowsky","Oct 2009 CDR"]
["200911-26","Oct 2009 CDR","Rec CS-01","Develop criteria for allowable load conditions that require protection by the MPS as soon as possible to be used for preliminary design. ","Neumeyer","See 200911-08","See 200911-08","CLOSED","NO",null,null,"Neumeyer","Oct 2009 CDR"]
["200911-27","Oct 2009 CDR","Rec CS-02","Write a design specification to collect and identify all design critical components which exceeded allowables that would guide MPS design.  ","Titus",null,"Detailed stress analysis of all the components that might have to be incorporated into the DCPS will occur during the Final Design. The intention is to require a section in each calculation that we file, that will outline the algorithm that will be incorporated into the DCPS. These will be listed by reference to the calculation in a design load specification which simply will be a list of algorithms and their calculation number sources. The calculations will be \"living documents\".  It is likely the algorithms will have to be adjusted as needed as they cause un-necessary trips or the calculations need updating. The scope of the input to the DCPS can be inferred from the number of calculations being filed. Plan to have some of these calculation algorithm descriptions in calculations that we file before the Lehman PDR review.\n ","OPEN","NO",null,null,"Titus","Oct 2009 CDR"]
["200911-28","Oct 2009 CDR","Rec CS-03","Reconsider radial build of the centerstack to allow a more effective slip plane between the components even if there is some loss of i^2*t capability on the solenoid. ","Neumeyer","See 200911-07","See 200911-07","CLOSED","NO",null,null,"Neumeyer","Oct 2009 CDR"]
["200911-29","Oct 2009 CDR","Rec CS-04","Develop a supporting R&D program","Chrzanowski",null,"Developed document outlining R&D requirements for Upgraded Centerstack. Also developed an R&D Plan.","CLOSED","NO",null,null,"Chrzanowski","Oct 2009 CDR"]
["200911-30","Oct 2009 CDR","Rec NB-01","Consider a more modest modification of the proposed large cutout of the vacuum vessel for the new beamline. ","Stevenson","Smaller cuts in the vessel were evaluated prior to arriving at the present design solution. The increased tangency radii are necessary for current drive and higher performance which are key goals of the upgrade. The increased tangency radii, the NBI fan array, and the TF outerleg at Bay K require a change to the Bay K opening because the beam trajectory cuts across the interstitial wall of the vacuum vessel between Bay K and Bay J. Because of the removal of the metal in the area to allow beam passage a cap was added to move the vacuum boundary out and to carry the stresses in this region. Rather than lose Bay J for diagnostics, the port was added to the cap also. These issues drove the size of the cap and the size of the VV hole. ","Closed.","CLOSED","NO",null,null,{"$f":"E66","v":"Stevenson"},"Oct 2009 CDR"]
["200911-32","Oct 2009 CDR","Rec NB-03","Consider replacing data acquisition and I&C CAMAC systems with something more modern and reliable. ","Sichta","See 200911-24","See 200911-24","CLOSED","NO",null,null,"Sichta",{"$f":"B67","v":"Oct 2009 CDR"}]
["200911-33","Oct 2009 CDR","Rec NB-04","Incorporate better interlocks (Ip and density) and monitoring (real-time pyrometers) of the beam armor tiles. ","Stevenson","See 200911-22","See 200911-22","CLOSED","NO",null,null,"Stevenson","Oct 2009 CDR"]
["200911-34","Oct 2009 CDR","Rec NB-05","Install and maintain strict procedures for radiological control for contaminated beamline maintenance. ","Stevenson","The existing beamline is assumed to be contaminated and is already treated as a radiologically contaminated beamline with full ES&H radiological procedure adherence now due to the presence of contaminated ion sources. Strict procedures exist and are employed on the existing beamline until it is show by surveys and samples to be not contaminated. This procedural approach will continue on with the new beamline also where the full regimen of HP RWP postings and support will be required for maintenance. So, due to the aforementioned sources, the very necessary procedures advocated by this chit have been in use for some time and fully meet the recommendations of the chit.","Closed","CLOSED","NO",null,null,"Stevenson","Oct 2009 CDR"]
["200911-35","Oct 2009 CDR","Rec C&S-01","Complete all elements of all WAFs, maintaining a common, crisp format. ","Strykowsky",null,"In process. Will be completed for the CDR in December","CLOSED","NO",null,null,"Strykowsky","Oct 2009 CDR"]
["200911-36","Oct 2009 CDR","Rec C&S-02","Complete all fields in the risk registry. ","Perry",null,"Updated and included in the CD-1 package","CLOSED","YES","7/29/10 - Discussed the Risk Registry with Erik Perry.  Erik said that the appropriate fields were updated in the Risk Registry.  He supplied the latest version of the Risk Registry (\"Risk Registry r14 rls 20100722\") with the completed fields.","Jedic","Perry","Oct 2009 CDR"]
["200911-37","Oct 2009 CDR","Rec C&S-03","Document the risk management plan (a CD-1 requirement) in the PPEP ","Perry",null,"Updated and included in the CD-1 package","CLOSED","YES","7/29/10 - Discussed the documenting of the Risk Management Plan with Erik Perry.  The approved NSTX Upgrade Preliminary Project Execution Plan (Revision 1 dated April 5, 2010) was discussed.  This document was supplied and reviewed.  Section 10 documents Risk Management for this project. ","Jedic","Perry","Oct 2009 CDR"]
["200911-38","Oct 2009 CDR","Rec C&S-04","Establish and implement a staffing plan to CD-2 that accounts for monthly assignments of specific tasks, self-consistent with the resource-loaded schedule. ","Strykowsky","Staffing plans will be prepared that show individuals by name and their loadings by month. These will be prepared on a 6-12 month rolling wave to better ensure the achievability of the schedule.","In preparation for the December 2009 OFES review.","CLOSED","NO",null,null,"Strykowsky","Oct 2009 CDR"]
["200911-39","Oct 2009 CDR","Rec C&S-05","Continue to implement PU Advisory Board recommendations to refine and improve the rigor of the risk/contingency development in advance of CD-2. ","Strykowsky",null,"Supplemental contingency methodologies will be explored and utilized prior to CD-2.","OPEN","NO",null,null,"Strykowsky","Oct 2009 CDR"]
["200911-40","Oct 2009 CDR","Rec C&S-06","Also, consider using risk matrix deadline dates to inform contingency distribution plan before Lehman CD-1 review ","Strykowsky","Distribution of contingency as a function of time will be tempered by when risk are likely to occur.","Will be incorporated into future analyses.","CLOSED","NO",null,null,"Strykowsky","Oct 2009 CDR"]
["200912-01","Lehman Dec 2009 CD-1","2.1-01","Magnets and Core - 1. Update FMEA to ensure any new failure modes/loading conditions associated with the upgrade are mitigated.","Dudek","FMEA to be updated for PDR","FMEA has been updated and is in the process of being signed off","CLOSED","YES","8/2/10 - Discussed the FMEA with Larry Dukek.  The NSTX Failure Modes and Effects analysis has been revised as needed for the NSTX upgrade.  It lastest revision was approved on 5/27/10.","Jedic","Dudek","Lehman Dec 2009 CD-1"]
["200912-02","Lehman Dec 2009 CD-1","2.1-02","Magnets and Core - 2. Consider the 40 kA design for the solenoid to reduce coolant pressure and voltage. The additional cabling from the power supplies to reach the higher current can be added later.","Dudek","This was considered and was found to be unacceptable since the coils would not perform well enough at 24kA, however an optimized solution using a slightly larger coolant passage was developed to work at 24kA and the existing coolant pressure.","Closed","CLOSED","YES","8/2/10 - Reviewed with Larry Dudek.  The 40 kA design was considered to reduce coolant pressure and voltage.  40 kA is more than required by the GRD.  A solution was defined to provide cooldown within 20 minutes without pump & plumbing modications (detailed in a presentation \"OH Conductor Optimization Status\" by C Neumeyer dated 1/12/10).  ","Jedic","Dudek","Lehman Dec 2009 CD-1"]
["200912-03","Lehman Dec 2009 CD-1","2.1-03","Magnets and Core - 3. Add the availability of additional key personnel to risk registry. ","Dudek","This will be added to the risk registry.","Key personnel have been added to the Risk Register","CLOSED","YES","8/2/10 - Verified that key personnal were added to the Risk Registry with Larry Dudek.  The key personnel added were J. Chrzanowski, D. Mangra, and P. Titus.  These were updated on 3/24/10 in the spreadsheet \"Risk Registry r14 rls 20100722.xls\". ","Jedic","Dudek","Lehman Dec 2009 CD-1"]
["200912-04","Lehman Dec 2009 CD-1","2.2-04","Neutral Beams - 4. Perform tests of a heated decontaminated copper part to confirm that tritium levels remain low.","Stevenson","Concur. Ion dump samples will be taken and heated in the source shop oven to evaluate.","Core will be removed when dump disassembled. Closed.","CLOSED","YES","07-23-10: Verified with Tim Stevenson that the tests of the Ion dump copper will be performed as soon as possible or when the dump is disassembled.  If possible the cores will be taken during decon on job 2430 as this takes minimal time. The dump plate will be removed for  Ion dump refurbishment so the cores can be taken then which is documented in Job 2440.  ","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-05","Lehman Dec 2009 CD-1","2.2-05","Neutral Beams - 5. Consider methods to improve estimates of contamination levels in NSTX due to residual NBI source and beamline contamination and evaluate the impact on the future operation and maintenance of NSTX.","Stevenson","Concur. Surveys and trends will provide data for a peer review in April 2010 to address this subject.","Decon Peer Review successful. Closed.","CLOSED","YES","07-23-10: Verified with Tim Stevenson and confirmed this action is closed.  Data has been collected.  This data is available in the June 23rd NSTXU PDR and will also be included in the Aug 10-11 2010 MSTXU NBI Overview.  I previewed this document to confirm the inclusion of the data.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-06","Lehman Dec 2009 CD-1","2.2-06","Neutral Beams - 6. Estimate the increased activation level of the vessel due to the longer pulse and higher power operation and the resulting increased dose to workers.","Stevenson","Concur. Activation levels will require posting machine areas per normal HP procedures. However, doses will still be very low and will not preclude doing normal work. Calculations and estimates in progress. Extrapolations from existing levels after longer pulses but with higher neutron production will still be very low (<1 mR/hr) but areas will need to be posted. The actual activation will be determined by experimental operations and will be monitored and posted per normal procedures.","NTC Areas will be posted. Closed.","CLOSED","YES","07-23-10: Reviewed with Tim Stevenson the process requiring the posting due to higher power operation and the resulting increased dose to workers.  Tim went through the extrapolated levels of dose that would be expected due to the increased power and reviewed the process required for posting.  The required posting will be covered by the existing procedure for posting and no changes need to be made to that procedure.  Actual activation will be measured during operations and posting will be done per procedure.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-07","Lehman Dec 2009 CD-1","2.2-07","Neutral Beams - 7. Consider alternative methods of protecting the NB armor tiles from excessive heating using real-time monitoring of the surface temperature.","Stevenson","See 200911-22","See 200911-22","CLOSED","YES","07-23-10: Verified with Tim Stevenson that alternative methods of protecting the armor were considered.  The armor is designed to handle a worst case short duration direct hit in the absence of plasma without major damage. The system is also designed with safety interlocks to shutdown the NBI's in the absence of plasma to prevent a long pulse from striking the armor.  In addition, a pyrometer has been included in the controls job.  During operations, investigation of installing the pyrometer to further monitor the effects of the neutral beam on the armor will be pursued.  An IR camera will also be considered.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-08","Lehman Dec 2009 CD-1","2.2-08","Neutral Beams - 8. Consider replacing old Computer Automated measurement and Control (CAMAC) hardware with modern technology.","Stevenson","Will consider but not required for initial operations. Existing channels and spares are adequate.","NSTX Ops may reconsider at a later date.","CLOSED","YES","07-23-10: Verified with Tim Stevenson that the review of the need to replacement of CAMAC is closed.  Although CAMAC is very old, the existing system and backups will serve adequately for initial operations.  In addition, Labview (newer system) is installed on BL1 and going to be installed on BL2 for controls purposes.  This means when NSTX Computing moves away from CAMAC then NBI can convert as needed using Labview in a short period of time.  This was revisited as it was first suggested in the Lehman Dec 2009 CD-1 review, item number 2.2-08.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-09","Lehman Dec 2009 CD-1","2.2-09","Neutral Beams - 9. Additional effort should be directed at evaluating the process of machining and installation of the large midplane port to reduce schedule and cost risk.","Stevenson","Concur. Cutting tests on SS have been performed prior to PDR.","Tests of gas shield plasma cutter on half inch SS have been completed and proven to produce excellent results. ","CLOSED","YES","07-23-10: Verified with Tim Stevenson that plasma cutter tests have been performed on stainless steel to demonstrate that this technique can be successfully employed to enlarge the midplane port.  This information was presented at the June 23rd NSTXU PDR.  Further plasma cutting tests continue to fine tune the process prior to using on NSTX.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-10","Lehman Dec 2009 CD-1","2.2-10","Neutral Beams - 10. Perform early vendor search (both domestic and foreign) for the large bellows.","Stevenson","Concur.","Vendor found and prelim quote provided (included in estimate).","CLOSED","YES","07-23-10: Verified with Tim Stevenson that a vendor search was performed.  The vendor that was identified from the search was Bellow Tech who provided a budgetary quote.  Other vendors were also considered for various phases of manufacture. Coinciding with this search, PPPL is investigating the in-house ability to produce the large bellows.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-11","Lehman Dec 2009 CD-1","2.2-11","Neutral Beams - 11. Re-examine the design to determine whether one of the large bellows can be eliminated.","Stevenson","Concur.","Two bellows evaluated and both are required. Rectangular bellows takes radial and vertical growth during bakeout. Circular bellows collapses for TIV removal and to provide clearance for assembly/disassembly of duct. Hard mounting of TVPS between dictates the use of both bellows. Costs for both are included in job.","CLOSED","YES","07-23-10: Verified with Tim Stevenson that the review to determine if one bellows can be eliminated was performed.  Conclusion remains that both bellows are required. One bellows allows for bakeout growth of the machine and isolates the Torus Vacuum Pumping System.  The second bellows allows the TIV to be chaned without disturbing the TVPS. This arrangement allows for easier access for installation and maintenance as well as to accommodate for the shifting of the reactor during bakeout.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-12","Lehman Dec 2009 CD-1","2.2-12","Neutral Beams - 12. The full cost of all diagnostic relocations should be included in the project costs.","Stevenson","Cost for removing and re-installation diagnostic hardware necessary to gain access to the machine and to facilitate installation of the CS and NBI  are included in the project scope. Modifications to diagnostics necessitated by upgrade operational levels are not included in the project scope BUT will be covered by the NSTX Program operation activity. Accommodations for Diagnostics have been made on VV. MPTS job included for interface required to re-aim MPTS.","Appropriate scope included in Upgrade cost. Other Diagnostic scope included in NSTX Program Operations. Closed.","CLOSED","YES","07-23-10: Verified with Tim Stevenson that all agreed upon diagnostic relocations are included in the project costs.  The largest job for MPTS is confirmed in Job 4500.","Jedic","Stevenson","Lehman Dec 2009 CD-1"]
["200912-13","Lehman Dec 2009 CD-1","2.3-13","Ancillary - 13. Evaluate including the additional TF cabling and bus leads to allow a 20-minute shot repetition rate.","Dudek","As specified by the GRD at the full rated pulse length, the repetition period shall be 2400 sec, but upgradeable to 1200 sec. Rough estimates for upgrading now to the 1200 sec duty rate would cost an additional $500-$600K.","The TF cabling will be sized to satisfy the current GRD requirement of 2400 sec BUT will allow for a future upgrade. However, should cost opportunities present themselves this upgrade will be considered as an inclusion to the TPC. ","CLOSED","YES","8/2/10 - Verfied with Larry Dudek.  The evaluation was completed by S. Ramakrishnam on the cost to achieve the upgrade.  8/2/10 - spoke with S. Ramakrishnam.  He supply the detailed calculations in a spreadsheet titled \"OH 4kV_Power_CostBreakdown 010510.xls\" which outlined the costs required to upgrade the electrical system to achieve a 20-minute shot repetition rate.  ","Jedic","Dudek","Lehman Dec 2009 CD-1"]
["200912-14","Lehman Dec 2009 CD-1","2.3-14","Ancillary - 14. Obtain operational experience for control systems from other facilities in order to determine the expected reliability and the level of redundancy required to achieve a desired overall reliability.","Dudek","This will be done as part of the preliminary design once the requirements for the DCPS are developed.","The DCPS requirements are currently being written, the first draft has been submitted for review.","OPEN","NO",null,null,"Dudek","Lehman Dec 2009 CD-1"]
["200912-15","Lehman Dec 2009 CD-1","2.3-15","Ancillary - 15. Complete a Failure Modes and Effects evaluation. ","Dudek","See Item 200912-01","See Item 200912-01","CLOSED","YES","8/2/10 - Discussed the FMEA with Larry Dukek.  The NSTX Failure Modes and Effects analysis has been revised and the lastest revision was approved on 5/27/10","Jedic","Dudek","Lehman Dec 2009 CD-1"]
["200912-16","Lehman Dec 2009 CD-1","3-16","Cost Estimate - 16. Develop a mutually agreed funding profile between DOE/FES and the project by January 2, 2010.","Strykowsky","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","CLOSED","YES","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.","Jedic","Strykowsky","Lehman Dec 2009 CD-1"]
["200912-17","Lehman Dec 2009 CD-1","3-17","Cost Estimate - 17. Update all project documents and submit for CD-1 approval. ","Strykowsky","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","CLOSED","YES","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.","Jedic","Strykowsky","Lehman Dec 2009 CD-1"]
["200912-18","Lehman Dec 2009 CD-1","4-18","Schedule and Funding - 18. Develop a mutually agreed upon funding profile between DOE/FES and the project by January 2, 2010.","Strykowsky","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","CLOSED","YES","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.","Jedic","Strykowsky","Lehman Dec 2009 CD-1"]
["200912-19","Lehman Dec 2009 CD-1","4-19","Schedule and Funding - 19. Update all project documents and submit for CD-1 approval. ","Strykowsky","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","CLOSED","YES","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.","Jedic","Strykowsky","Lehman Dec 2009 CD-1"]
["200912-20","Lehman Dec 2009 CD-1","5-20","Management and ES&H - 20. Work with DOE/FES to develop a plan that is consistent with a mutually agreed upon funding profile and meets technical scope, cost, and schedule requirements with adequate contingency. Include agreement on CD-4 completion requirements. Update all documents based on this realistic project funding profile and submit for CD-1 approval (Prior to CD-1).","Strykowsky","Funding profile established. CD-1 documents updated and submitted to DOE-PSO","OFES evaluating alternate scenarios provided. This item is closed.","CLOSED","YES","7-27-10 - Verified with Ron Strykowsky.  A document entitled \"CD-1, Approve Alternative Selection and Cost Range for the NSTX Upgrade Project\" was reviewed.  This document was approved on 4/15/10 by Edmund Synakowski (Associate Director for the Office of Fusion Science).  This document verifies the approval of CD-1 for the schedule and funding profile.","Jedic","Strykowsky","Lehman Dec 2009 CD-1"]
["200912-21","Lehman Dec 2009 CD-1","5-21","Management and ES&H - 21. Establish project management and technical advisory committees that meet regularly and report to the PPPL Director on NSTX Upgrade project status.","Prager","PPPL agrees with the intent of this recommendation and believes the NSTX Upgrade Project and the PPPL Director's Office currently benefits from several independent advisory groups. 1) The NSTX program has an established semiannual Program Advisory Committee which focus on the program physics and machine upgrades. 2) Princeton University has established a standing PPPL Advisory Committee that presently meets semi-annually where the agenda includes NSTX physics, engineering and management issues. 3) The NSTX Upgrade Project also benefits from independent/external technical design review committees which include assessments of project management. We feel additional reviews at this time will result in minimal incremental benefits while costing additional resources. However, once the project is beyond CD-3 and into construction we will convene periodic advisory committee reviews of the project's technical and management progress.","Closed.","CLOSED","YES","8/3/10 - Discussed with Stewart Prager.  Two committees meet on a regular basis.  The first is the NSTX Program Advisory Committee (PAC).  This committee meets a minimum of twice per year and reports directly to the PPPL Director.   It is a multi-national group (started in Dec 1996) chartered to review the progress of the NSTX program and includes reviews of the NSTX upgrade status.  The second is the PPPL Advisory Committee which has been meeting for approximately 1 year.  It reports to Princeton University on all PPPL activities including those associated with NSTX.  The Board itself consists of 4 members independent of PPPL.    Both a Science and Operations Committee meet twice a year and report to the Board of Directors after a review by the Advisory Board.","Jedic","Prager","Lehman Dec 2009 CD-1"]
["201004-01","April 2010 Peer Rvw","Peer-01","Latest OH currents are -24, 0, +24 kA.  The design so far is based on OH current of -24, 0, 13 kA.  Need to determine if forces envelope has expanded and what consequence is to design (Mangra)","Titus",null,null,"OPEN","NO",null,null,"Titus","April 2010 Peer Rvw"]
["201004-02","April 2010 Peer Rvw","Peer-02","Jim C - Use correct no. of turns and current on PF coils in presentation.","Chrzanowski",null,"VG Corrected","CLOSED","NO",null,null,{"$f":"E98","v":"Chrzanowski"},"April 2010 Peer Rvw"]
["201004-03","April 2010 Peer Rvw","Peer-03","Make sure surface area of contact between tiles and backing surface is sufficient for disruption current and heat loads","Tresemer","Disruption current analyses are under consideration and in process. Considering re-introduction of Grafoil.",null,"OPEN","NO",null,null,"Tresemer","April 2010 Peer Rvw"]
["201004-04","April 2010 Peer Rvw","Peer-04","TF coil alignment, what is the requirement can the spring supports be pushed / held in place for installation (note there is no metrology data on OTF leg locations)","Smith","Alignment criteria has been provided. TF outer leg alignment considerations are being worked out with the installation team.","In progress / closed.","CLOSED","NO",null,null,"Smith","April 2010 Peer Rvw"]
["201004-05","April 2010 Peer Rvw","Peer-05","“Organ pipe” elbows sealing gasket is trapped or unreplaceable","Chrzanowski","Will use \"Viton\" O-rings instead of hard seals so that seals can be reused instead of replacement.",null,"CLOSED","NO",null,null,"Chrzanowski","April 2010 Peer Rvw"]
["201004-06","April 2010 Peer Rvw","Peer-06","Provide substantial clearance between TF coil brace and Thomson scattering support structure.  Clearance should at least be 1 inch","Mangra",null,"OTF Supports have been remodeled and are now compatible with the MPTS Stand","CLOSED","NO",null,null,"Mangra","April 2010 Peer Rvw"]
["201004-07","April 2010 Peer Rvw","Peer-07","Labik needs to get a model of the 30” flange modification to Danny Mangra to verify compatibility with external upgrade hardware","Labik",null,"OTF Supports have been remodeled and are now compatible with the MPTS Stand","CLOSED","NO",null,null,"Labik","April 2010 Peer Rvw"]
["201004-08","April 2010 Peer Rvw","Peer- 08","Can the Bay K cap for NB be modified to accommodate the MPTS Laser Dump.","Labik","No A separate new port will be designed","No A separate new port will be designed","CLOSED","NO",null,null,"Labik","April 2010 Peer Rvw"]
["201004-09","April 2010 Peer Rvw","Peer-09","Raki - Check parameters on Inner PF coils on VG for correctness? (Typo)","Ramakrishnan",null,"VG’s corrected","CLOSED","NO",null,null,"Ramakrishnan","April 2010 Peer Rvw"]
["201004-10","April 2010 Peer Rvw","Peer-10","Is the 10Gbit/sec network required as part of the GRD?","Sichta","Yes. The 10 Gbit is an implementation to satisfy the requirement that data acquisition, analysis, and visualization should not be degraded (in light of 4x data load).",null,"CLOSED","NO",null,null,"Sichta","April 2010 Peer Rvw"]
["201004-11","April 2010 Peer Rvw","Peer-11","Consider allowing slight adjustment capability (+- 1/16”) for vertical tiles along center stack.  Allows “flats” machine on tile surfaces as microwave reflectors to be moved to compensate for clocking difference between CS and outer vacuum vessel.","Tresemer","Dismissed. Design changes do not affect this adjustability aspect.",null,"CLOSED","NO",null,null,"Tresemer","April 2010 Peer Rvw"]
["201004-12","April 2010 Peer Rvw","Peer-12","Produce a TF/OH manufacturing plan, including a fabrication facility design, for the PDR.  Identify hardware that needs to be purchased “a schedule”  This is a task we want to get started on before the FR/CD3 thus we need to ask for DOE permission.","Chrzanowski","Concur - will provide detail manufacturing and procurement  plan",null,"OPEN","NO",null,null,"Chrzanowski","April 2010 Peer Rvw"]
["201004-13","April 2010 Peer Rvw","Peer-13","Develop design for MPTS VV interface and incorporate into the project scope.  Generate WAF for the entire MPTS relocation but only include the VV interface into the project Scope.","Labik","WAF Developed and included in base estimate","WAF Developed and included in base estimate","CLOSED","NO",null,null,"Labik","April 2010 Peer Rvw"]
["201004-14","April 2010 Peer Rvw","Peer-14","What R&D wont be complete by the PDR and clearly show what assumptions are being made for estimating purposed.  What impacts if R&R is not successful (show in risk registry)","Chrzanowski","Testing of new primer will need to be completed to determine max shear bond strength/ additional testing of Aquapour for winding OH coil will also be completed",null,"OPEN","NO",null,null,"Chrzanowski","April 2010 Peer Rvw"]
["201004-15","April 2010 Peer Rvw","Peer-15","Resolve I&C requirements.  Paul should estimate scope as presented and resolve during a WAF review meeting.","Sichta","WAF updated and reviewed prior to PDR.",null,"CLOSED","NO",null,null,"Sichta","April 2010 Peer Rvw"]
["201004-16","April 2010 Peer Rvw","Peer-16","Tresemer's bolt connection (Dzus fastening tech) looks like the profile will produce large stresses in the tile. Tailor the countersink appropriately.  Interesting concept though.   ","Tresemer","Dismissed. Not following this design line.",null,"CLOSED","NO",null,null,"Tresemer","April 2010 Peer Rvw"]
["201004-17","April 2010 Peer Rvw","Peer-17","Corner stress on the TF leg shown by Willard looks like stress discontinuity, would tweak geometry, move hole and add more material before mesh refinement to see if it can be eliminated.  Also, look at stress linearization and apply NSTX criteria for evaluation. ","Willard","Response : The hole spacing was established by the minimum edge distance required by the Tap-lok inserts, and the minimum clearance required between the Supernut hardened washers.   Peak stresses occurred at the same location determined by a separate MathCAD hand analysis, where all the stresses superimpose: OOP bending stress; hoop stress; thermal stress; and in-plane bending stress. Quadrupling the mesh on the worst-case lamination resulted in an increase in the peak stress,  a shifting of the peak stress location to coincide with stiffness/ geometry discontinuities, and a reduction in the size of the peak stress area, all confirming a singularity. A stress linearization test was performed using the WB feature to determine the maximum combined primary membrane and bending stress, which was compared to the allowable stress from the design S-N fatigue curve. ",null,"CLOSED","NO",null,null,"Willard","April 2010 Peer Rvw"]
["201004-18","April 2010 Peer Rvw","Peer-18","I see both Von Mises and Tresca stress results shown, Typically Tresca is what is requested in codes, not sure what NSTX design criteria states.  ","Titus",null,null,"OPEN","NO",null,null,"Titus","April 2010 Peer Rvw"]
["201004-19","April 2010 Peer Rvw","Peer-19","For Superbolts - torque-load curve may not match manufacturer. No bellevills with Supers.  Presentation showed bolts designed typical sm value (2/3SY). Typically, bolts can do to at least 80% proof.  ","Willard","Response from Superbolt: “Superbolts have been installed in thousands of applications over the years with no reported problems with loosening. They are covered in the following Navy documents: NSTM-075-Basic Navy Fastener manual; GYD010-Submarine Fastener manual; and NSTM-233-Steam Turbine manual.”    The Superbolt brochure shows many high cyclic load applications, all without Belleville washers: the design relies on the compliance of the nut body to maintain stud pretension. No Belleville washers or locking features will be used in the flex strap bolted joint design.   A clarification to the NSTX Design Requirements document now allows a maximum bolt preload stress of .75 Sy, and a maximum operating direct tension plus preload stress of .9 Sy.",null,"CLOSED","NO",null,null,"Willard","April 2010 Peer Rvw"]
["201004-20","April 2010 Peer Rvw","Peer-20","CTD 101K - other large fusion projects use a variant of this which may offer a cost reduction (2X).  ","Chrzanowski","NSTX upgrades will use CTD101k since it is well documented and provides operating results as required",null,"Closed","NO",null,null,"Chrzanowski","April 2010 Peer Rvw"]
["201006-01","June 2010 PDR","Chit-01","All NSTX components, including passive plates, etc. must be compatible with the design point.  Any modifications which may be necessary must be included in the cost. See GRD 2.1.2.a ","Dudek","All NSTX components required for upgraded operations, as described in GRD section 2.1.2, will be compatible with the design point. There are two risks being carried in the risk register to cover passive plate hardware and tiles in the event detailed analysis shows they need upgrade.  The weighted cost included in the contingency is $762k.  ",null,"OPEN","NO",null,null,"Dudek","June 2010 PDR"]
["201006-02","June 2010 PDR","Chit-02","\"Flash Shields\" between terminals of TF bundle should extend at least over full length of terminals, if not beyond. Also, consider alternate terminology.","Chrzanowski","Concur. Will be incorporated in the final design",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-03","June 2010 PDR","Chit-03","Provide feature to maintain concentricity between OH and TF bundle, considering 0.1\" gap after removal of Aquapour.","Chrzanowski","Concur. Will be incorporated in the final design",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-04","June 2010 PDR","Chit-04","Ask Kabelmetal Corp. in Osnabruck, Germany to manufacture copper wedges with cooling hole in it. (as done for MAST)","Chrzanowski","Concur. Will be incorporated in the final design",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-05","June 2010 PDR","Chit-05","TF centre rod temperature close to flags is over 100C and may creep under stress. Consider shaping the wedge/flag area to reduce peak temperatures and stress.","Titus",null,null,"OPEN","NO",null,null,"Titus","June 2010 PDR"]
["201006-06","June 2010 PDR","Chit-06","Consider using graphite tiles for centre tub even if it needs increasing the centre column radius by a few mm to save cost (and time)","Tresemer","Concur. Tile optimization is ongoing and graphite will be considered. CS Diameter is specified by this project's GRD and any changes will have to be reviewed by  Project Management.",null,"OPEN","NO",null,null,"Tresemer","June 2010 PDR"]
["201006-07","June 2010 PDR","Chit-07","The insulated joint in the outer TF support should be reconsidered if it is necessary and if necessary how is shear load carried.","Smith","Mark Smith to follow up with physicists regarding fields/eddy currents at the TF support locations. Are dielectric breaks required? If so, how many? Note if breaks are required, FEA reveals low joint stress. Therefore, several materials are available with appropriate strength and insulating properties. If high strength materials are required, ceramic flame sprayed SS hardware and components can be used.","FEA of the joint is ongoing. Results are being evaluated to determine course of action as discussed in previous block.","OPEN","NO",null,null,"Smith","June 2010 PDR"]
["201006-08","June 2010 PDR","Chit-08","Flaw size for CS conductor is less than .5 square mm. If joint is required, how is this measured? In no joint is necessary, how is conductor inspected?","Chrzanowski","Must investigate whether this requirement is needed.",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-09","June 2010 PDR","Chit-09","Currently, the outer joint of the TF flex is torqued. Reconsider using tensioner.","Chrzanowski","Will consider",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-10","June 2010 PDR","Chit-10","Check strength and modulus of room temperature stycast (epoxy)for use on the TF castle (teeth).","Chrzanowski","Concur. Will be incorporated in the final design",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-11","June 2010 PDR","Chit-11","At each review, a new tile connection scheme is shown.  This latest one has not been used in other fusion machines. May present some R&D. Perhaps going with another fusion experiment's method should be considered.","Tresemer","Concur. This recent connection scheme actually changed little from the current (in place) design. We've replaced the weld stud with an internally threaded tube. Just prior to PDR, recent consideration of the issues of bearing upon the material began, and special focus will be placed on the relationship between the forces applied and the surfaces accepting. Thermal and mechanical loads have been considered and preliminary analyses' results are within acceptable limits. R&D for this system is already planned and will be included for the FDR. Tolerances, loading, presence of Grafoil are being, and will continue to be reviewed. Directionality and density of the CFC fibers will be evaluated, pending approval of NDAs and the arrival of said information",null,"OPEN","NO",null,null,"Tresemer","June 2010 PDR"]
["201006-12","June 2010 PDR","Chit-12","Add tolerances to analysis models (radial, height, ovality, etc.). Check if these cause any forces on structure (any decentering?). In general, not much talk about tolerances throughout the day.","Titus",null,null,"OPEN","NO",null,null,"Titus","June 2010 PDR"]
["201006-13","June 2010 PDR","Chit-13","Primer for copper:  If CTD can develop a new high temperature primer it may need static and fatigue testing. If not then could use cyanate ester based primer but be aware of safety and handling issues.","Chrzanowski","CTD presently developing primer to meet our requirements.",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-14","June 2010 PDR","Chit-14","After \"Aquapour\" is removed from between OH and TF coil assemblies in CS, how will 0.1\" gap be maintained/monitored, etc., to allow coils to remain concentric.","Chrzanowski","Concur. Will be incorporated in the final design",null,"OPEN","NO",null,null,{"$f":"E130","v":"Chrzanowski"},"June 2010 PDR"]
["201006-15","June 2010 PDR","Chit-15","Use of superbolts on electrical connections is a new application.  Concern is related to thermal cycling of joint and braze/solder creep under high load.","Willard","Response : The vendor strongly recommends against using Bellevilles with the SuperNuts, stating that they've never had a report of a nut loosening from thermal cycling when the pretention is over 40% of the proof load of the stud: the compliance of the SuperNut eliminates the need for a compliant washer. ACTION PLAN:  test this by thermal cycling a simulated joint - made of C18150 copper, equipped with TapLok inserts and SuperNuts - and verifying that there is no loss in pretension, by monitoring the stud tension with the ultrasonic probe and a load cell washer. Lamination joint  braze/ solder creep and fatigue strength will part of the tests performed on a prototype Flex Strap Assy.",null,"OPEN","NO",null,null,"Willard",{"$f":"B131","v":"June 2010 PDR"}]
["201006-16","June 2010 PDR","Chit-16","Consider using capacitive discharge testing on OH solenoid to test inter-turn and inter-layer insulation.","Ramakrishnan","The use of capacitive discharge testing on OH solenoid to test inter-turn and inter-layer insulation is being considered.  Exploring the lease/rental of testing equipment to perform test.  To be completed by the FDR.","In Progress","OPEN","NO",null,null,"Ramakrishnan","June 2010 PDR"]
["201006-17","June 2010 PDR","Chit-17","The tile design requirements need to be clearly identified. (Heat load profile, peaking factors on edges, allowable temperatures, dimensional tolerances, halo currents - both local and global)","Titus",null,null,"OPEN","NO",null,null,"Titus","June 2010 PDR"]
["201006-18","June 2010 PDR","Chit-18","Consider past experiences from other fusion devices in the tile design.  Tile design needs further development, particularly with attention to fastener concept evaluating hold down stresses.","Tresemer"," (see PDR Chit-11)",null,"OPEN","NO",null,null,"Tresemer","June 2010 PDR"]
["201006-19","June 2010 PDR","Chit-19","The definition of the CFC linked to requirements. Density, weave, graphitization temperature all need to be fed back to the design.","Tresemer","Concur. Information still pending thermal and mechanical requirements dictated by pending analyses. ",null,"OPEN","NO",null,null,"Tresemer","June 2010 PDR"]
["201006-20","June 2010 PDR","Rec-01","Slip plane - Add a radial position restraint between the CS and TF to prevent excessive lateral motion during operation ","Chrzanowski","Concur- Will investigate",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-21","June 2010 PDR","Rec-02","Solenoid conductor braze joints - Finalize the manufacturing process for the CS conductor.","Chrzanowski","Concur- once conductor length can be verified, braze joint process will be finalized",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-22","June 2010 PDR","Rec-03","Manufacture of centre rod wedge conductors - Ask Kabelmetal at Osnabruck, Germany, to quote for the extrusion of the wedges. They have previously made the wedges for MAST centre rod, which included the cooling channel inside the wedge, which reduces machining and soldering.  ","Chrzanowski","Concur- will contact Kabelmetal to explore their capabilities",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-23","June 2010 PDR","Rec-04","•Manufacture of centre rod wedge conductors - Add additional material to the copper alloy flag to reduce maximum temperatures and stresses.","Chrzanowski","This will be investigated as a possible option for reducing temperatures and stresses",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-24","June 2010 PDR","Rec-05","Centre stack and solenoid insulation - Demonstrate the shear bond strength between the insulation and the copper by testing.","Chrzanowski","New primer is being developed by CTD- once completed, tests will be performed to determine shear bond strength",null,"OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-25","June 2010 PDR","Rec-06","Structural Design – Define R&D goals, document, and carryout a supporting R&D program for all components and processes to support the design and its requirements and to reduce program risk ","Chrzanowski","Will generate an R&D plan  that lays out desired R&D, requirements, test plans.","Draft plan issued July 2010.","OPEN","NO",null,null,"Chrzanowski","June 2010 PDR"]
["201006-26","June 2010 PDR","Rec-07","Tile Design - Define the requirements for the tile design.  Continue development of the tile design to meet the requirements.  Examine attachment schemes and experiences on other fusion devices.","Tresemer","Concur. Will address this issue and show comparisons between present design and other fusion devices. ",null,"OPEN","NO",null,null,"Tresemer","June 2010 PDR"]
["201006-27","June 2010 PDR","Rec-08","It is understood why the second beamline controls and acquisition system will initially use CAMAC as one of its elements, but we strongly encourage the incorporation of replacement technology as soon as possible.","Stevenson","Will consider but not required for initial operations. Existing channels and spares are adequate.","NSTX Ops may reconsider at a later date.","CLOSED","YES","07-23-10: Verified with Tim Stevenson that the review of the need to replacement of CAMAC is closed.  Although CAMAC is very old, the existing system and backups will serve adequately for initial operations.  In addition, Labview (newer system) is installed on BL1 and going to be installed on BL2 for controls purposes.  This means when NSTX Computing moves away from CAMAC then NBI can convert as needed using Labview in a short period of time.  This was revisited as it was first suggested in the Lehman Dec 2009 CD-1 review, item number 2.2-08.","Jedic","Stevenson","June 2010 PDR"]
["201006-28","June 2010 PDR","Rec-09","As soon as possible but no later than 4 weeks before Lehman review, finalize budget profile with DOE, and incorporate that profile into the project baseline.","Strykowsky","ongoing discussion underway with DOE to confirm guidance.","ongoing discussion underway with DOE to confirm guidance.","OPEN","NO",null,null,"Strykowsky","June 2010 PDR"]
["201006-29","June 2010 PDR","Rec-10","Consider forming a single project management advisory committee that fulfills both recommendations from the Lehman review and the PU Advisory Board.  ","Strykowsky","We are establishing an independent Project Management Advisory Committee (PMAC) to provide us guidance on project management matters.  a proposed charter for this committee has been issued for review ",null,"OPEN","NO",null,null,"Strykowsky","June 2010 PDR"]
["201006-30","June 2010 PDR","Rec-11","Assure that all Job Managers show ownership of their scope, cost, and schedule by communicating their WAF content and obligations at next Lehman review.","Strykowsky","Job manager training and reviews underway.","Job manager training and reviews underway.","OPEN","NO",null,null,"Strykowsky","June 2010 PDR"]
["201006-31","June 2010 PDR","Rec-12","Consider rolling up basis of estimates at Lehman review, to help communicate project maturity and confidence level of the estimates.   ","Strykowsky","WAF\"s will be review, results tabulated and presented at the August Lehman review.",null,"OPEN","NO",null,null,"Strykowsky","June 2010 PDR"]
["201006-32","June 2010 PDR","Rec-13","Evaluate current risk registry and attempt to make more pro-active mitigation strategies.","Strykowsky","The RR will be reviewed and mitigation plans expanded.",null,"OPEN","NO",null,null,"Strykowsky","June 2010 PDR"]
["201006-33","June 2010 PDR","Rec-14","Consider changing name “Risk Management” to a “Risk & Opportunity” Management, to encourage cost reduction ideas, integrated into WAFs and registry.","Strykowsky","Will revise",null,"OPEN","NO",null,null,"Strykowsky","June 2010 PDR"]
["201006-34","June 2010 PDR","Rec-15","Continue implementing the detailed forward-looking (3-6 months out) staffing plan at all times.","Strykowsky","The resource loaded schedule will be updated to reflect names of engineers and designers at least through the FDR","Complete","CLOSED","YES","7-27-10 - Verified with Ron Strykowsky.  A detailed plan is in place utilizing an Excel spreadsheet titled \"MASTER CD2 preliminary CONSTRAINTED cost 20100726\".  This shows a staffing plan out to September 2011.","Jedic","Strykowsky","June 2010 PDR"]
["201006-35","June 2010 PDR","Rec-16","Continue to regularly communicate the benefits of executing an advance procurement plan associated with the proposed CD-3a. This will save money and reduce risks. ","Strykowsky","Will be the focus of the next telecon/communication with OFES","A CD3a request will be made at the August Lehman review.","OPEN","NO",null,null,"Strykowsky","June 2010 PDR"]