ML19344B377
| ML19344B377 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 02/05/1976 |
| From: | Abrell G COMMONWEALTH EDISON CO. |
| To: | Ziemann D Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19344B371 | List: |
| References | |
| NUDOCS 8010080732 | |
| Download: ML19344B377 (2) | |
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I aM Addtr,ss RWlo: Post Othcc Box 757 (j/ CNcago, liknois 60690 February 5, 1976 Mr. Dennis L. Zicmann, Chief Operating Reactors - Branch 2 Division of Reactor Licensing U.S. Uucicar Regulatory Commission Washington, D.C.
20555
Subject:
Drcsden Station Unit 1 High Pressuro Coolant Injection (HPCI) System NRC Docket No. 50-10
Dear Mr. Zicmann:
This is Quarterly Progress Report No. G for Dresden Station Unit 1 High Pressuro Coolant Injection (HPCI) System installation.
Further progro cs was made in the enginecring and equipent procurement arcas during the past three months.
Engineering, npcci-fications, drawings, and purchase awards have been proceeding along
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the lines as described in the Dccign Report which was cubmitted on October 1G, 1975.
The status of the various ccaponents of the HPei system is given in Tabic Ho.1 (attached).
i Answers to the URC qucations regarding the " plant as is" 1;CCS analysic as tranciaitted by your lctter dated november 7, 1973 ugro cubmitted to you by our letter dated December 15, 1975.
Our letter dated January 7, 1976 answered the URC quections transmitted by your letter dated December 31, 1975.
A response to the quantions in your January 26, 1976 letter is being prepared at the present tino.
In order to better monitor and manage the schedulo of the HPCI system addition and the improvement of on-sito powcr availability, the Commonwealth Edison Company construction Scheduling and Coct Control Department has bcon enlisted to follow the progrecs of the -Drccdon Unit 1 HPCI project. - TF'.s relatively ncu dopirtment, which employs many of the latest schedu~ ing and coct control manaqcment techniqueu including co.aputer progrcms, has primarily been involved uith the engineering and construction of new poucr stations.
It in hoped that their ansictanco with thc Dresden Unit 1 HPCI project will help uu to mcct the very
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tight schedule.'that wo are'on.
Very tryllye
/ /
G. A. Abrcll Ducicar Licencing Administrator Attachmont
'Doiling Unter Rcactors 80100807 3 )
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Table No. 1 - Dresden Unit 1-HPCI Equipmint-St5tu7, NT
.s ITD4 STATUS Structural Work
'Out for Bids
.'Pipi T and Installation-New Specification Written Larg' lves Purchase Awarded-Small 11ves Purchase Awarded Oil Sto/ age Tank.
. Purchase Awarded
. Pumps Purchase Awarded Diesel: Generators Out for Bids on'New Specification-Water Storage. Tank
- Specification Written and Reviewed b
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Main Control' Room Panels Specification be'ing Written Local Instrument' Panels Specification Written, being Reviewed
]
Diesel' Service Water Pumps Specification Written and Reviewed Oil-Day' Tanks Specification Written and Reviewed Motor Control' Centers Spec Written and' Reviewed, Re$tdy for Bids' 4160v Switchgear Out for Bids 480v-Transformers Specification Written and Reviewed DC Distribution Panels Specification'being Written
-Batteries Specification being Written Cables Specification being Written-Battery Chargers Specification being Written Cable Trays Specification being Written HVAC Work Specification Written
- Vent Fans Specification Written and Reviewed a
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