DCL-84-045, Submits Design & Const Status of Design Change Notice DCO-EE-446 Re Control Room Ventilation & Pressurization Sys. Design & Const Complete.Repair,Testing Activities & Resolution Scheduled to Be Completed by 840215

From kanterella
(Redirected from ML20149E214)
Jump to navigation Jump to search
Submits Design & Const Status of Design Change Notice DCO-EE-446 Re Control Room Ventilation & Pressurization Sys. Design & Const Complete.Repair,Testing Activities & Resolution Scheduled to Be Completed by 840215
ML20149E214
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 02/07/1984
From: Schuyler J
PACIFIC GAS & ELECTRIC CO.
To: Martin J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20149D694 List:
References
FOIA-84-21 DCL-84-045, DCL-84-45, NUDOCS 8801130257
Download: ML20149E214 (1)


Text

, e ~

s

,ah [ 4' s

l OY 1

PACIFIC OAS AND E LE C T RI C C O M PANY EOW3 h 77 BEALE STREET . SAN FRANCISCO, CA'LIFORNIA S4106 . (416)781 4211 . TWX 910 372 65t?

, l J. O. SCMuYLE R l,7.";' ,, February 7, 1984 PGandE Letter No.: DCL-84-045 ,

Mr. John B. Martin, Regional Administrator U. S. Nuclear Regulatory Commission, Region Y  :

1450 Maria Lane, Suite 210 Walnut Creek, CA 94596-5368

~

Re: Docket No. 50-275, OL-DPR-76 Docket No. 50-323 Diablo Canyon Units 1 and 2 Control Room Ventilation and Pressurization System

Dear Mr. Martin:

Mr. Phil Morrill of your office requested that Pacific Gas and Electric Company identify the design and construction status of Design Change Notice (DCN) DCO-EE-446. This DCN involves the Control Room Ventilation and Pressurization Systems (CRYPS). The status is given below.

The design associated with this DCN is complete and in cocpliance with all applicable criteria. Construction and startup testing are complete and ,

responsibility for the CRVPS has been transferred to PGandE's Nuc har Plant Operations. Ali as-builts have been accepted and incorporated in the Priority 1 drawings. The revised drawings have been approved and are now in i the' process of reproduction and distribution. Incorporation of design chaages )

on Priority 2 drawings is now in process. l l

A small amount of cable, approximately 80 feet, will req'uire replacement to  !

resolve a traceability concern identified in Contractor Nonconformance Report (CNCR) No. 8802-1015. Replacement will require responsibility for a portion )

of the system to be transferred from Nuclear Plant Operations to l Construction. Repair, testin i be completed by February 15, g activities and CNCR resolution are scheduled to d84.

Kindly acknowledge receipt of this material or the enclosed copy,of this  ;

letter and return it in the enclosed addressed envalope. l

- Sincerely. -

i

~p 4

- .cc: Service List  :. -

8801130257 871229 PDR FOIA

{ }Q r PDR - l i GARDE 94-21 ,