ML21216A063
| ML21216A063 | |
| Person / Time | |
|---|---|
| Site: | HI-STORE |
| Issue date: | 08/04/2021 |
| From: | Holtec |
| To: | Office of Nuclear Material Safety and Safeguards |
| Cuadrado-Caraballo J | |
| References | |
| Download: ML21216A063 (6) | |
Text
www.holtec.com Holtec International - HISTORE RAIs - Chapter 5
Chapter 5 RAIs
RAI 53
NRC requests details of the anchor rods of the HITRAC CS Holtec will update drawings to provide details of the anchor rods and the HITRAC CS restraints, and update seismic analysis to consider combined shear, bending and tension in the anchor rods
RAI 54
NRC requests seismic evaluation of cask handling operations Holtec will provide seismic evaluations of all cask handling operations along with updated operational procedures
RAI 58
NRC requests calculations for the VCT with specific details Holtec will provide details of the VCT and associated calculations under all applicable conditions, and will also provide details of other handling equipment www.holtec.com l Page 2
Chapter 5 RAIs
RAI 59
NRC requests more details and analyses for the CTB Holtec will provide drawings, details, applicable design codes and all supporting analyses for CTB as requested RAI 510 NRC requests fatigue life of VCT, HITRAC CS and all associated equipment Holtec will perform the fatigue analyses (including low cyclic fatigue) and provide the number of allowable canister deployments associated with VCT, HITRAC and other handling equipment RAI 511 NRC requests details on groove weld options Holtec will update drawing to remove the groove or equivalent weld option www.holtec.com l Page 3
Chapter 5 RAIs RAI 513 NRC requests clarification on ITS welds and sizes Holtec will revise drawing to clearly identify ITS/NITS components and provide appropriate weld sizes for ITS welds RAI 514 NRC needs details on pedestal for the HISTAR 190 in the CTF Holtec will provide drawing with pedestal design and appropriate supporting analyses RAI 515 NRC requests revision to the LSDYNA model to address hour glassing energy Holtec will revise stackup analysis accordingly www.holtec.com l Page 4
Chapter 5 RAIs RAI 518S1 NRC requests details on CLSM used for CTB slab Holtec will update CTB drawing to provide details (reinforced concrete slab supported by CLSM)
RAI 518S2 NRC requests details and calculations for the CTB floor slab and CTF Holtec will provide updated drawing and analyses of the CTB floor slab and CTF for all applicable loadings RAI 521 NRC requests stressstrain curves based on material testing Holtec will use recent information from HISTAR ATB1T and HISTAR 100MB www.holtec.com l Page 5
Chapter 5 RAIs RAI 523 NRC requests buckling analysis of horizontal lift beam along with CTB, crane and rigging details Holtec will provide buckling analysis of horizontal lift beam and seismic analyses of all lifting and handling equipment including slings RAI 524 NRC requests information on seismic loads on transportation cask lifting equipment Holtec will provide seismic analyses of the lifting/handling equipment for transportation cask www.holtec.com l Page 6