ML19309F879
| ML19309F879 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 04/15/1980 |
| From: | Ballard R Office of Nuclear Reactor Regulation |
| To: | Gary R TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| References | |
| NUDOCS 8005010524 | |
| Download: ML19309F879 (3) | |
Text
52 800 5010 DISTRIBUTION:
APR 15 pg.;
Docket Files NRC PDR LPDR Docket ilos. 50-445 TERA Q NSIC and 50-446 NRR Rdg.
EP-1 Rdg.
OELD RBallard/RCleveland Texas Utilities Generating Company W81 vins ATTil: tir. R. J. Gary, Executive SBurwell Vice President & General fianager EP LA 2001 Dryan Tower Dallas, Texas 75201 Gentlemen:
Executive Order (E.0.) 11988, Floodplain fianagement, was issued in May 1977 to assure that Federal agencies were taking appropriate consideration of floodplain development. On October 6,1978, the flRC published in the Federal Ret;ister (43 FR 46499) its plans for compliance with E.0.11983.
So as to assist the staff in its review of various factors associated with floodplain development at the Comanche Peak facility, we request your responses to the questions provided in the attached enclosure.
Please inform us of the schedule for submittal of your response within 30 days of the date of this letter.
If your initial response should be in letter form, this information also should be incorporated in a subsequent supplement to the Environmental Report.
Sincerely, cn;f. cal:' ;ni;;
conau L C *:-
Ronald L. Ballard, Chief Environmental Projects Dranch 1 Division of Site Safety and Environmental Analysis
Enclosure:
Request for Additional Inforuation-Floodplain Ilanagement cc:
See next page Wh
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NOC FORM 318 (9-16) NRCM 0240 DU.S GOVERNMENT PRINTING OFFICE: 1979-289-369
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.-j Mr. R. J. Gary Mr. R. J. Gary Executive Vice President and Ms. flancy Holdam Jacobson General Manager Citizens for Fair Utility Texas Utilities Generating Company Regulation
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1400 Hemphill 2001 Bryan Towers Dallas, Texas 75201 Fort Worth, Texas 76104 Mr. Richard Fouke ilicholas S. Reynolds, Esq.
1668-8 Carter Drive Debevoise & Liberman 1200 Seventeenth Street Arlington, Texas 76010 Washington, 0.C.
20036 Spencer C. Relyea, Esq.
Worsham, Forsythe & Sampels 2001 Bryan Tower Dallas, Tex:4 75201 Mr. Honer C. Schmidt Project Manager
.'luclear Plants Texas Utilities Generating Company 2001 Bryan Tower Dallas, Texas 75201 Mr. H. R. Rock Gibbs and Hill, Inc.
392 Seventh Avenue itew York, flew York 10001 Mr. A. T. Parker Westinghouse Electric Corporation P. O. Box 355 Pittsburgh, Pennsylvania 15230 Richard W. Lowerre, Esq.
Assistant Attorney General Envircnmental Protection Division P. O. Box 12548, Capitol Station Austin, Texas 78711 Mrs. Juanita Ellis, President Citizens Association for Sound Energy 1426 South Polk Dal1as, Texas '75224 Geoffrey M. Gay, Esq.
West Texas Legal Services 4C6 W.T. Waggoner Building 310 Houston Street Fort Worth, Texas 76102 L
5 COMANCHE ~ PEAK STATION REQUEST FOR ADDITIONAL IflFORMATION FLOODPLAIN MANAGEMENT 371.b1 On a suitable scale map, provide delineations of the one percent chance floodplainsforallwatercoursesalteredoraffectedbyconstrbction and operation of the plant and/or appurtenant structures.
Identify
.and describe the location of all facilities within the one percent chance floodplains.
Include a floodplain delineation for conditions prior to initiation of plant construction and one for conditions expected when the plant is in operation. Additionally, if expected conditions during construction would result in greater flooding of neighboring-landthanduringtheoperationalphase,prohidesimilar information for the construction period. Also,prohidewatersurface and thalweg profiles and all cross sections used to compute flood depths.
Prohidedetailsofyourmethodsofanalyses.
Include your assumptions of and bases for pertinent parameters such as length and slope of drainage basins, times of concentration, infiltration rates, rainfdl1 amountsanddistribution, Manning's"n"valuesandanyother$ssbmptions or parameters used to determine the floodplains.
In some circumstances, floodplain delineation by others may be acceptable.
Specifically, if studies by the U. S. Department of Housing and' Urban '
Development,FederalInsuranceAdministr$tionortheCorpsofEngineers areahailableforthesitearea,thedetailsofanalysesrequestedabove-need not be supplied; prohide instead.the reports from which you obtdined thefloodpl$in'information.
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