TXX-3547, Application to Amend CPPR-126 & CPPR-127,increasing Allowable Annual Average Groundwater Withdrawal from 30 Gpm to 40 Gpm

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Application to Amend CPPR-126 & CPPR-127,increasing Allowable Annual Average Groundwater Withdrawal from 30 Gpm to 40 Gpm
ML20058E867
Person / Time
Site: Comanche Peak  
Issue date: 07/26/1982
From: Gary R
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To: Harold Denton
Office of Nuclear Reactor Regulation
References
TXX-3547, NUDOCS 8207300232
Download: ML20058E867 (6)


Text

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TENAS UTILITIES GENERATING COMinNY Loa # TXX-3547 F1Te 10101 mn num rowi:n.nmen:ns mm "l:bYiY'Yb:'

July 26, 1982 Mr. Harold R. Denton Director Office of Nuclear Reactor Regulation Nuclear Regulatory Commission Washington, D.C.

20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION REQUEST FOR AMENDMENT OF CONSTRUCTION PERMITS CPPR-126 AND CPPR-127 DOCKET NOS. 50-445 AND 50-446

Dear Mr. Denton:

Texas Utilities Generating Company (TUGCO) is presently the holder of NRC Construction Permits Nos. CPPR-126 and -127 for the Comanche Peak Steam Electric Station, Units 1 and 2 (CPSES). By this application, TUGCO, on its own behalf and on behalf of the other applicants, respectfully requests that the NRC amend condition 3.E(8) of said construction permits to increase the allowable annual average groundwater withdrawal from 30 gpm to 40 gpm.

1.

BACKGROUND Construction permit condition 3.E(8) provides, in part, as follows:

The rate of groundwater withdrawal during construction of facility shall not exceed 250 gpm. Withdrawal of groundwater shall be reduced to an annual average of 30 gpm at the end of six years.

The construction pennits were issued December 19, 1974.

The groundwater withdrawal rate was, therefore, reduced on December 19, 1980.

Amendment 2, dated November 16, 1979, changed the reduction time to six years from five years. This amendment was requested because of the delay in construction. By order dated April 30, 1982, the latest completion dates for Comanche Peak were extended by 48 months, again, reflecting the delay in construction. Consistant with the above, the change in pumping rate is being requested because of the construction delay.

As will be discussed in detail later, the construction has not required more water, but water over a longer period at a lower rate.

The reduction from 250 gpm allowable rate to 30 gpm (even with the installation and operation of a surface water treatment facility) will not support the remaining construction activities. Supplemented by the treated surface water, 40 gpm will support these activities.

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2.

ENVIRONMENTAL IMPACT The NRC staff's environmental impact appraisal for construction permit amendment number 2 states that TUGC0 was authorized to withdraw 6.57 x 108 gallons during a construction period of five years at a rate of 250 gpm. Through June, 1982, 4.90 x 108 gallons have been withdrawn. A withdrawal rate of 40 gpm (annual average) is about 21 million gallons per year or 105 million gallons for five years. Five years (August 1,1987) is the latest completion date for Unit 2.

With the requested withdrawal rate of 40 gpm for the full period of the construction permits a maximum of 5.95 x 108 gallons will be withdrawn.

This is less than the 6.57 x 108 gallons originally evaluated and authorized. Therefore, this requested change will result in groundwater withdrawal less than that previously evaluated and authorized. The water well pumping data for 1979, 1980, 1981 and 1982 (through June) is attached to this request. Also included are the observation well levels for 1980,1981 and 1982 (through June). The level data shows that the water level onsite is subject to fluctuations, but the trend of the water level is steady or only slightly decreasing over the last thirty months.

3.

CONCLUSIONS The increase in maximum annual average pumping rate from 30 gpm to 40 gpm is necessary to efficiently complete construction of CPSES Units 1 and 2.

There will be no adverse environmental impact.

It is therefore requested that this amendment be granted within 30 days.

Since the requested amendments of the construction permits involve no significant hazards considerations, it is requested that the NRC dispense with advance notice and publication requirements as permitted under Section 189(a) of the Atomic Energy Act of 1954, 42 U.S.C.

2239, and 10 C.F.R. 50.91.

We have determined the amendment class should be class III

($4,000) for Unit 1 and class I ($400) for Unit 2.

We have therefore enclosed a check for $4,400 as payment for amendment fee.

Sincerely, L.

l R. J. Gary l

RJG:grr Affidavit Attachments

UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION In the Matter of

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TEXAS UTILITIES GENERATING COMPANY

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Docket Nos. 50-445

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50-446 (ComanchePeakSteamElectric

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Station, Units 1 and 2)

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AFFIDAVIT R. J. Gary being duly sworn, hereby deposes and says that he is Executive Vice President and General Manager of Texas Utilities Generating Company, the Applicant herein; that he is duly authorized to sign and file with the Nuclear Regulatory Commission this request to amend the Construction Permits (CPPR-126 and CPPR-127) for the captioned facilities; that he is familiar with the content thereof; and that the matters set forth therein are true and correct to the best of his knowledge, infonnation and belief.

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R. Y Gary

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Executive Vice President and General Manager STATE OF TEXAS

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COUNTY OF DALLAS )

Subscribed and sworn to before me, a Notary Public in and for hh, on this,J6 d day of WA

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Notary Public My commission expires hd. /7

, 19_8C

to TXX-3547 Groundwater Pumping by Year and Month l

Date Gallons l

1/79 9,077,030 2/79 3,146,396 3/79 5,742,481 4/79 7,028,600 5/79 6,695,200 6/79 6,636,100 7/79 5,381,700 8/79 6,408,400 9/79 4,105,700 10/79 7,757,700 11/79 4,636,300 12/79 6,112,500 Total 72,728,107 1/80 3,111,500 2/80 4,069,200 3/80 3,815,300 4/80 4,133,000 5/80 4,269,700 6/80 3,891,690 7/80 7,098,300 8/80 5,517,900 9/80 6,648,000 10/80 6,045,200 11/80 6,244,500 12/80 3,240,900 Total 58,085,190

to TXX-3547 (Continued)

Groundwater Pumping by Year and Month Date Gallons f

1/81 762,600 2/81 258,300 3/81 214,700 4/81 61,700 5/81 78,800 l

6/81 658,800 l

i 7/81 1,246,700 8/81 419,000 9/81 162,100 j

10/81 636,300 11/81 1,601,400 12/81 2,400,100 Total 8,500,500 1/82 2,145,700 2/82 1,640,100 3/82 1,910,500 4/82 1,341,600 5/82 2,746,400 6/82 3,080,100 Total 12,864,400 l

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o to TXX-3547 Monitoring Well Level Date Well Number M0/ Year G2 G3 G4 1/80 222'11" 236'1" 240'8" 2/80 220'9" 236'2" 240'2" 3/80 222'1" 235'9" 240'4" 4/80 221'8" 235'4" 240'0" 5/80 221'6" 235'5" 239'7" 6/80 222'5" 236'0" 240'0" 7/80 220'6" 238'11" 243'6" 8/80 229'6" 240'2" 246'0" 9/80 232'2" 241'6" 248'2" 10/80 232'4" 242'4" 248'9" 11/80 231'8" 242'4" 248'7" 12/80 229'1" 241'3" 247.'6" 1/81 224'6" 238'2" 242'0" 2/81 222'10" 238'0" 261'8" 3/81 220'10" 236'0" 241'2" 4/81 220'4" 235'0" 240'6" 5/81 220'3" 235'2" 240'6" 6/81 220'4" 235'2" 240'6" 7/81 220'6" 235'0" 240'0" 8/81 223'0" 236'6" 242'6" 9/81 224'0" 236'8" 243'9" 10/81 222'0" 235'6" 244'0" 11/81 223'4" 236'9" 243'0" 12/81 220'10" 235'9" 243'4" 1/82 221'10" 236'6" 242'8" 2/82 221'0" 236'6" 243'4" 3/82 220'6" 236'0" 244'6" 4/82 221'8" 236'0" 244'1" 5/82 220'9" 235'6" 243'4" 6/82 222'6" 236'0" 244'10"

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