ML19220C518
| ML19220C518 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/13/1979 |
| From: | Lainas G Office of Nuclear Reactor Regulation |
| To: | Stello V Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7905110130 | |
| Download: ML19220C518 (5) | |
Text
a p *n p rog,,
t f
'o UNITED STATES 3%
NUCLEAR REGULATORY COMMISSION
~-
]
WASHINGTON, D. C. 20555
%, w y April 13,1979 MEMORANDUM FOR:
V. Stello, Jr., Director, TMI Operations FROM:
G. C. Lainas, Duty Officer, Team A
SUBJECT:
ELECTRICAL, INSTRUMENTATION AND CONTROL INFORMATION NEEDED BY HEADQUARTERS Enclosed is a list of electrical, instrumentation and control sche-matics that would be helpful in providing you with technical support.
Please advise us with copies of what you have or when we can get them.
W G. C. Lainas, Duty Officer Team A
Enclosure:
As Stated cc:
See attached distribution list O '-
G f
7 905110 (3e 90 y.,
.~
ENCLOSURE 1 INSTRUMENTATION, CONTROL AND ELECTRICAL SYSTEMS INFORMATION A.
The following information pertaining to the instrumentation, control and electrical systems of TMI-2 is needed at headquarters so we can effectively support the ongoing activities at the site:
1.
Electrical Elementary or Schematic Control Circuit Diagrams (or Drawings).
Based on information requests received at headquarters to date diagrams are needed in the following areas at this time:
a) Safety and non-safety related components capable of being supplied from the 4160 V and 480 V emergency buses.
b)
Diesel generators and associated 4160 V supply breaker.
c) All the in-feeder and bus-tie breakers in the 4160 V and 480 V emergency buses, d) All the safety and non-safety related components capable of being supplied from 125/250 V d-c buses.
e)
Reactor coolant pump breakers. Also, supporting electrical diagrams depicting the pump start permissives and trip signals and auxiliary equipment associated with the reactor coolant pumps (e.g., Reactor Pump Cooling System),
f)
Condensate pumps, valves and supporting auxiliaries.
g)
Condensate booster pumps, valves and supporting auxiliaries h)
Circulating water system, pumps, valves and supporting auxiliaries.
i)
Secondary services river water system pumps, valves and supporting auxiliaries.
j)
Condenser vacuum pumps and supporting auxiliaries.
k)
Feedwater inlet valves to steam generators.
g6
7
~ 1) Steam Ger.erator turbine bypass to condenser valves.
~
m) S?condary service cloao coolina water pumps, valves and suoporting auxiliaries.
n)
Feeditater heaters and polishing demineralizer bypass valves.
o) Pressurizer RC-R2, RC-V1, RC-V2, RC-V3 and RC-137 valves.
p) Condanser make up control va?ve.
q) Turbine vacuum breaker valve.
r) Turbine reset and trip.
2.
Electrica'i Equipment List and Sensor / Instrument Lists.
Based on information requests received at headquarters to date, lists are needed in the following areas at this time:
a) Condensate System b)
Feedwater Syrtem c) Main Stc3m System d) Decay Heat Removal Sjstem 3.
Computer Input / Output List.
4.
Main Control Room Boards Layout Drawings.
5.
Instrument Loop (Block) Diagrams and Logic Control Diagrams.
Based on inforr.ation requests received to date diagrams are needed in the following areas at this time:
a) Steam Generator Centrol b) Pressurizer Control c) Condenser Control d) Decay Heat Removel System 6.
Instrument Specification / Data Sheets.
Based on information requests received to date, information is r.eeded in the following areas at this time:
a) Steam Generator b) Pressurizer c) Condenser i
90 d) Decay Heat Removal System
. 2.
Electrical a) One Line Diagrams b) Relay Diagrams c) Logic Diagrams d) Schematics e) Cable Routing f) Cable Tray Routing g) Electric Pe.'etration Location and Details h) Wire and Cable foecificat'ons i) Electrical Equipment I j) Equipment Locations k) Equipment Data Sheets 3.
Please also provide an index of all drawings.
4 Please provide all drawings in the following fcrm(s), listed in order of preference:
a) Microfiche b)
Full Size Reproducible c) Full Size Blue Line gGO 90