B13194, Forwards New Switchgear Bldg Const Bimonthly Progress Rept 15,per 860930 Commitment

Forwards New Switchgear Bldg Const Bimonthly Progress Rept 15,per 860930 Commitment

ML20244A684
Person / Time
Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	04/03/1989
From:	Mroczka E, Sears C CONNECTICUT YANKEE ATOMIC POWER CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
B13194, NUDOCS 8904180143
Download: ML20244A684 (7)

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, cc . (203) 665-5000 April 3, 1989 Docket No. 50-213 4 B13194 Re: 10CFR50, Appendix R .

s ISAP Topic 1.14.2 l U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 Gentlemen:

Haddam Neck Plant Bimonthly Progress Report No. 15 New Switchaear Buildina Construction On September 30, 1986,(1) Connecticut Yankee Atomic Power Company (CYAPC0) committed to provide the NRC Staff with updated bimonthly progress reports in accordance. with the major . milestone schedule for construction of the new switchgear building at the Haddam Neck Plant. The purpose of this letter is to provide _ the NRC Staff with the fifteenth of these reports. Bimonthly Progress Report No.15 is included as Attachment 1.

We trust you will find this information satisfactory, and we remain available to assist you in the review of this matter.

Very truly yours, CONNECTICUT YANKEE ATOMIC POWER COMPANY' i

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E. J. Mroczka Senior Vice President WGAD By: C. F. Sears Vice President i

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l (1) J. F. Opeka letter to C. I. Grimes, dated September 30, 1986, "Haddam Neck Plant, Major Implementation Milestones, New Switchg"ar Building Construction."

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.b. . 4' U.S. Nuclear Regulatory Commission B13194/Page 2

. April 3, 1989 cc: 'W. T. Russell, Region I Administrator J. T. Shedlosky, Senior Resident' Inspector, Haddam Neck P1 ant-

. A. B. Wang, NRC: Project Manager, Haddam Neck Plant

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Docket'No.-50-213 B13194 Attachment 1 Haddam Neck Plant Bimonthly Progress Report'No.-15 New Switchaear Buildina Construction r I '

April 1988 l

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c Attachment 1 813194/Page 1 Haddam Neck Plant Bimonthly Progress Report No. 15 New Switchaear Buildina-Construction

SUMMARY

In a letter dated June 30, 1986,(2) the Connecticut Yankee Atomic Power Company (CYAPC0) provided the NRC Staff with the conceptual design information.

for the new switchgear building at the Haddam Neck Plant, including a descrip-tion of the new facility. The major milestone schedule for the construction and implementation phases of this g ject was provided to the NRC Staff in a letter dated Sept 30, 1986 and supplemented by a letter dated September _30, 1988.ger These letters committed to provide the NRC Staff with bimonthly progress rr: ports. The following is a breakdown of the major activi-ties accomplished and ongoing for the fifteenth reporting period.

PROJECT

SUMMARY

Construction on the new switchgear building continued to progress in accor-dance with the revised milestone schedule provided to the NRC Staff in September 1988, and no delay in meeting any milestone is expected.

Engineering activities are currently concentrated on support for construction.

Details on the engineering activities are included in Section 1.0. Remaining raceway ' installation and cable pulling in the station is continuing with in-house construction forces, and is essentially on schedule. Details of the construction activities are included in Section 3.0.

SUMMARY

OF MAJOR WORK ACTIVITIES 1.0 Enaineerina 1.1 General Engineering activity this reporting period was primarily focused on:

(2) J. F. Opeka letter to C. I. Grimes, dated June 30, 1986, "Haddam Neck

-Plant, Conceptual Design of the New Switchgear Room."

(3) J. F. Opeka letter to C. I. Grimes, dated September 30, 1986, "Haddam Neck Plant, Major Implementation Milestones, New Switchgear Building Construction."

(4) E. J. Mroczka letter to U.S. Nuclear Regulatory Commission, dated September 30, 1988, "Haddam Neck Plant. Bimonthly Report No. 12, New Switchgear Building Construction."

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Attachment:

11 B13194/Page 2 j o- Construction support..

o . Receipt of design packages from Bechtel with subsequent review 7 by NUSCO engineering.

o Finalization of NUSCO.PDCR packages 1.2 Design ? responsibility was ' assumed by ~ Northeast : Utilities Service Company (NUSCO) effective January 15, 1989.

o A site office has been ; established to support ongoing construc--

tion' activities.

o- (Seven. (7)- additional PDCRsl are- being. issued .by NUSCO, address-ing' various ' aspects of Appendix R commitments and ' associated design considerations. Of these, . . three'. (3) have ~ been PORC-approved, two '(2)' have been issued in -draft form for ' review,-

and two (2) will be issued in draft form for review in April.

2.0 Procurement 2.1:. General Procurement's efforts are focusing mainly on expe'diting. NUSCO-is ordering the remaining. items to complete this project.

.2.2 Deliveries

. Delivery of the remote instrument isolation cabinet to the site was accomplished on March 13, 1989.

3.0 Construction 3.1 Construction forces continue to progress on the installation of raceway, cable pulling, and' punchlist completion in the station.

3.2 New Switchgear Building (PDCR No. 865)

. Work lis essentially complete except for minor punchlist items assumed by NUSCO. The construction. PDCR document package from Bechtel was. turned over to NUSCO construction in January 1989.

~3.3 Ductbanks (PDCR No. 873)

All work is complete and the PDCR package has been turned over to NUSCO construction.

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3.4 Stairtowers-and Walkways (PDCR No. 876)

All nonoutage work _is compl ete. . The construction' PDCR document package'was turned over to NUSCO construction in January 1989.

3.5 HVAC Installation (PDCR No. 868)

- All. work is complete except for ductwork ins _ulation, which. is = in progress, and minor'punchlist items' assumed by NVSCO.

3.6 New Switchgear Building Raceway (PDCR No. 900)

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All construction work is complete and the PDCR package has. been .

p. turned over to NUSCO construction.

L 3.7 -Appendix R Raceway (PDCR No. 901)

Raceway -installation is comolete 'in .several- areas of th~e station.

This includes'the primary auxiliary building'(PAB), diesel generator-A and B rooms, the cable spreading _ room, and waste disposal- build-ing. Raceway installation is continuing in the existing switchgear room 'and in , the control room. Nonoutage raceway installation is expected to be complete in early April 1989.

3.8 New Appendix R Equipment (PDCR No. 902)

- All construction work is complete, and the PDCR package ~was turned over to NUSCO construction. The new 480V load center and motor control . center have been turned over for testing. ' Energization is -

expected in early April 1989.

3.9 DC System Relocation - (PDCR No. 903)

The battery rack installation in the new switchgear bu'ilding is complete, and battery installation is complete. Work is also complete on equipment and raceway installation in the existing switchgear room. Terminations are complete on DC system in the New Switchgear Building. The battery, DC bus and charger in the New Switchgear Building have been released for testing and are currently energized on a. temporary power feed.

3.10 Fire Protection Systems (PDCR No. 917)

Work is ' essentially complete. Minor punchlist items remain to be closed out by NUSCO. The PDCR package was turned over to NUSCO construction in January, 1989. Halon systems for 41'6" elevation have; been completed. Electrical testing was performed to verify fire detection capabilities of the 41'6" elevation. The Halon t system is available in the manual mode.

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.- Attachment 1 B13194/Page 4 3.11 Cable Pulling (PDCR No. 905)-

Cable pulls internal . to the new building are' complete. Nonoutage cable ' pulls into the station are essentially complete with the'PAB.-

, Cable pulls into the balance of the~ station are expected to continue through.May of 1989.

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