ML16340C942
| ML16340C942 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 11/09/1982 |
| From: | Crews J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Kerrigan J Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8211120409 | |
| Download: ML16340C942 (10) | |
Text
MHQ,TILE00'OV 9
1987.
MEMORANDUM FOR:
J.
D. Kerrigan, Acting Chief, Licensing Branch No. 3, Division of Licensing, NRR FROM:
J.
L. Crews, Director, Division of Resident, Reactor Projects and Engineering Program
SUBJECT:
DIABLO CANYON MODIFICATIONS In accordance with a previous request (memorandum from F. J. Miraglia to J.
L. Crews of June 16, 1982) the attached summary of Diablo Canyon modifications is provided for your information.
This status is as of October 26, 1982.
An updated status will by provided by December 10, 1982.
Attachment:
As stated J.
L. Crews. Director Division of Resident, Reactor Projects 8I Engineering Programs cc:
T. ll. Bishop D. F. Kirsch P. J. Morrill bcc:
DMB/Document Control Desk (RIDS)
Distributed by RV:
RHE (w/o enc)
State of California Resident Inspector Project Inspector 82iii20409 82ii09 PDR ADOCK 05000275 P
PDR OFFICE/
SURNAME/
DATEP RV J.B
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n:d 11/
/82
.Zwetzig 11/ 9 /82
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/82 i ~ 0 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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NRC FORM 3I8 (I /80I NRCM 0240 OFF I CIA L R EGO R D COPY 6 USGPO: 198~29 824
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- v
DIABLO CANYON UNIT.1 MODIFICATIONS, STATUS OF:
MODIFICATIONS RESULTING FROM VERIFICATION PROGRAM 10-26-82 ITEH-NO.
COMPONENT MODIFIED DCN NO.
DESCRIPTION OF MODIFICATION DESIGN/CONSTR STATUS RV INSPECTION STATUS 2.
3.
MECHANICAL Valve FCV-95 Containment Fan cooler 1-3 Instr.- Tubing Supports (3)
DCO-E-M-0876 DCI-E-M-1172 DCI-E-M-
.1144 Yoke Stiffners, replace 3/8" plate with 1/2" plate as per design.
Constr.
Completed Replace unistrut angle bracing and add lateral bracing Constr.
Completed Add 3/8" fillet weld 8 increase Constr.
size of fillet welds from 5/8" to 3/4",
Completed Closed Rpt.
82-35 Closed Rpt.
82-07 Closed Rpt.
82-07 4
5.
6.
Annulus Struct-ural Stl.
Fuel Handling Bldg. Structural Pipe Supports:
a.
b.
C.
d.
DCI-E-C-3114 DCO-E-C-3097 DCI-E-H-1173
,1185 1200 1201 Add plates to connections and members to stengthen Structural Modifications to Building Steel Replace rod hangers (Approx. 51)*
with Sway Strut or Rigid frame Hodify 2.181-5 Modify hangers 2156-39 and 2156-14.1 Modify hangers 58N-2R and 58N-42R Constr.
in process Constr.
to start Nov/Dec.
82 Constr.
in process Constr.
in process Constr.
i,n process Constr.
in process Inspected in part Rpt. 82-35 Inspected approx.
40 Closed Rpt. 82-26
4
ITEM COMPONENT NO.
MODIFIED e.
g.
h.
k.
m.
n.
0.
P q.
DCN NO.
1253 1306 DCI-E-P-3162 3196 3201 3204 3206
, 3257 3259 3316 3185 3222 Generic order based on Spec's DESCRIPTION OF MODIFICATION Modify Hanger 57N-68R Modify Hanger 2156-45 Modify Hanger 12-164SL Modify Hanger 12-166SL Modify Hanger 1.1-110SL Modify Hanger 10-104SL Modify Hanger 12-165SL Modify Hanger 1048-28SL Modify Hanger 1048-.27SL Modify Hanger 41-36R Install Seismic Limiter Install Seismic Limiter Modify Approx. 92* large Bore Pipe hangers DES IGN/CONSTR STATUS Completed Design Design Design Design Design Design Design Design Design Design Design In process of sssusng to Constr.
RV INSPECTION STATUS 7.
Pipe Support Large Bore (change to seismic Spectra in annulus area)
Modify approx.
179* large Bore Pipe hangers Constr..
in process Inspected approx.
85 thru Oct.
82
'0 ITEM NO.
8.
COMPONENT MODIFIED Fire Water Hose Reel Stations:
DCN NO.
DESCRIPTION OF MODIFICATION DES IGN/CONSTR STATUS S
RV INSPECTION STATUS a ~
DCO-E-M-3049 Install press.
reducing orifices at Hose Reel Stations Design b.
DCI-E-Jl-3126 Add one Spray Head-Aux. fusps area Design 9.
10.
Reroute piping:
a ~
b.
C.
d.
e.
Accumulator L. transmitter Supports DCI-E-P.-.
3232
. 3233 3242 3246 3249.
3247 Reroute RCP-3 motor upper bear'g.
- Cooler, CCW supply Reroute RCP-2 motor upper bear'g.
- Cooler, CCW return Reroute RCP-1 motor upper bear'g.
- Cooler, CCW return Reroute RCP-4 motor upper bear'g.
- Cooler, CCW return Reroute RCP-3 motor upper bear'g.
- Cooler, CCW return
-Reroute cold leg SI Line Loop and Drain
-Reroute RHR Therm. relief Line drain Four large bore and Three small boye.
Porwarded to Constr.
Forwarded to Constr.
Forwarded to Constr.
Forwarded to Constr.
Forwarded to Constr.
Engr'.
review Engr'g.
r'eview Constr.
Completed Closed Rpt.
82-13
ITEM NO.
12.
13.
14.
15.
16.
17.
COMPONENT MODIFIED ELECTRICAL Annunciator Cabinets Raceway Supports Type 102 Raceway Supports Types S-226, S-315, S-318 and S-325 Conduit Change Raceway Support Type Raceway Supports Type S-221 Raceway Supports Type S-241 DCN NO.
DCI-E-E-3023 DCI-E-E-1278 DCI-E-E-1279 DCI-E-E-0695 DCI-E-E-1301 DCO-G-E-2593 DCO-G-E-2572 DESCRIPTION OF MODIFICATION Structural Modifications, ins ta 1 1 addi tiona1 bracing Modify by the addition of one S-6 brace to 3.6 supports Modify by the addi.tion of Two S-6 braces to 22 supports Change Conduit to K3886 from 3/4" RI to.1" RI size Modify by the addition of S-6 brace Modify by Torquing Beam Clamps and tack weld'g, approx.
3.20 Supports Modify by addition of a. S-6 angle brace or S-251 hori zontal brace, 13 Supports DES IGN/CONSTR STATUS Constr. to start 11/82 Constr.
Completed Constr.'ompleted Completed Nov.
82 Completed Aug.
82 Constr.
Completed Constr.
Completed RY INSPECTION STATUS Closed Rpt. 82-26 Closed Rpt. 82-22 Closed Rpt. 82-13 Closed Rpt.
82-.13 18.
DCI-E-E-1345 Indicates these items have not as-yet been inspected.
125V d.c.
Replace original circuit breakers Switchgear with new breakers having larger frame rating, eight breakers
- These numbers are approximate values and are subject to change.
Constr. to Start.1.1/82
e 6
a A