ML20134A591
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TORREY PINES TECHNOLOGY l
PO. Box 85608 San Diego, Cahfornia 92138 Telephone: (619) 455-2054 A civeen of GA Technologies Inc.
2485.700 TPr:024:FSO:83 Septaber 19, 1983 Mr. George Gower U.S. NRC Office of Inspection & Enfor ment East-West Towers (South Building) 4350 East-West liighway Bethesda, Maryland 20014
SUBJECT:
INDEPENDENT (DNSIRUCTION REVIEW OF MARBLE HILL ICS UNITS 1 N4D 2
Dear George:
Transaitted herewith is the list of itens covered under the t ysical verifica-h tion task of the Marble 11111 independent review.
We have prepared the list of itens following as closely as possible the format that you requested.
'Ihis will also confirm our conversation of Septunber 15 regarding transaittal of a similar listing of items for the Palo Verde review.
Walt Simon will transnit under separate cover the Palo Verde list to Paul 1(eshishian.
Both Palo Verde and Marble 11111 lists are in the same format to facilitate your comparison.
Sincerely,
)
h
'/
F. S. Ople Project Manager cc [w/ enclosure]
J. W. Dott (PSI)
P.1(echishian (NBC)
L. D. Johnson (TPT)
W. A. Simon (TPr)
G. L. Wessnan (TPI) 8508150350 050703 CH 8 -293 PDn b
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!KROUdM OF PHISIOL VERIFIOLTIGi ITEBE PAGE 1 OF 3 MAIEEE HILL ITEBt Ulu'IS 1 ABO 2 o
Number of welds visually inspected (Field & Shop) 56 Pipe and Structural Steel, o
Ntznber of welds - radiographs reviewed.
54 o
NLanber of welder (or welding inspector) qualifications 11 reviewed.
o Ntraber of radiographs reviewed.
442 (double-loaded film) o Length of piping runs inspected (feet) 1800 o
NLanber of hangers inspected:
- Imvel 2 - Installation Verification 67
- Level 3 - Detailed Verification 22
- Types of hangers:
- Rod hanger 36
- Spring hanger 2
- Strut-type restraint 28
- Structural member-type restraint
- Anchor restraint 1
- Snubber None installed yet
- Others (sliding support, etc.)
o NLInber of pieces of equipnent inspected:
Pumps 5
Heat Exchangers 7
Tanks Diesel engines 2
Steam Generators (Support structure or pipe nozzles connection only) 1 Pressurizer (support only) 1 o
Length of cable and cable trays inspected:
Power cables (terminal raceways only)
Cable trays (feet)
Ntznber of hangers inspected 25
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SLBOURY OF IMSICM. VERIFICATICBI l'11BE PAGE 2 OF 3 MlHILE HIIL I'IEN UNITS 1 Alm 2 o
Types of electrical equipnent inspcted:
- Motors (Note: Excludes M.O. for valves) 1
- Motor control centers (MCC), switdigears, panels
- Breakers Structural members inspcted (beams, colunns, girders, o
bracings, etc.)
60 o
structural connections inspected:
34
- Bolt torque testing (joints) 5 o
Buildings inspected 5
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Areas of rebar inspected:
- (wall or slab sections. beams, columns, etc.)
34 o
Concrete testing (selected locations) 50 o
INAC duct length inspected
- Joints inspected
- Support inspected
- R1uipnent inspected o
Amount of instrunentation inspected:
- Wiring terminations (Number of runs)
- Nunber of instrunentation (sensing elenents, indicators and trananitters)
- Ilandowitches o
NtInber of valves inspected (Note: Includes motor 70 actuators for M.O. valves)
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- s SEORRY OF PEDEICAL VERIFIOLTIN l'IBE PAGE 3 OF 3 llAEBLE HTTL ITEM UNITS 1 ABO 2 i Batteries, Diesel generators, control roon panels, et5
- Batteries
- Diesel generators
- Control roon panels (wiring termination identifications only) o In-process work observed:
- Welding - pipe and structural
- Concrete pouring - forming 4
- Rebarring
- Structural connection
- Cable pulling
- Conduit installation
- Terminations
- Testing (NDE processes)
- radiograph of welds 4
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