ML17256A477

Responds to Request for Info on Solid,Liquid & Gaseous Radwaste Which Would Result from Proposed Steam Generator Sleeving Program

ML17256A477
Person / Time
Site:	Ginna
Issue date:	01/31/1983
From:	Maier J ROCHESTER GAS & ELECTRIC CORP.
To:	Crutchfield D Office of Nuclear Reactor Regulation
References
NUDOCS 8302040382
Download: ML17256A477 (8)

Text

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ROCHESTER GAS AND ELECTRIC CORPORATION

~ 89 EAST AVENUE, ROCHESTER, N.Y. 14649 JOHN Bi MAIER Vice President January 31, 1983 TEECRHDNE AecA coDE 7ld 546-2700 Director of Nuclear Reactor Regulation Attention:

Mr. Dennis M. Crutchfield, Chief Operating Reactors Branch No.

5 U.S. Nuclear Regulatory Commission Washington, D.C.

20555

Subject:

Steam Generator Sleeving R. E. Ginna Nuclear Power Plant Docket No. 50-244

Dear Mr. Crutchfield:

This letter is in response to a request from a member of your staff for information on the solid, liquid, and gaseous radio-active waste which would result from our proposed steam generator sleeving program.

The estimates which have been prepared are incremental quantities due to sleeving assuming that other activities such as steam generator inspection have occurred.

Further, since the sleeving program does not require steam generator decontamination, no decontamination has been assumed in either the occupational exposure or the radwaste assessment.

The radwaste generation assessment is addressed in two portions, that which is dependent on the number of outages during which sleeving is performed,and that which is dependent on the number of tubes which are sleeved.

It is currently envisioned that up to 2,000 sleeves will be installed in each of the two Ginna steam generators and that this will be accomplished in 4 refueling outages.

The evaluation assumes 2,000 sleeves per generator accomplished in 4 outages.

For the purposes of this assessment, sleeve installation has been separated into three facets:

setup of the work area prior to sleeving and removal after sleeving; sleeve installation and post installation nondestructive examination; dismantle equipment in the channel head and clean it.

Setting up all equipment for sleeving operation at the beginning of a sleeving program during an outage and removing the equipment at the end of an outage is independent of the number of sleeves installed during an outage.

Cleaning up and dismantling the equipment in the channel head at the conclusion of an outage is also independent of the number of sleeves installed during an outage.

Table 1 provides an estimate Pol 8302040382 830i31 PDR ADGCK 05000244 P

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ROCHESTER GAS AND ELECTRIC CORP.

DATE January 31, 1983 To Mr. Dennis M. Crutchfield SHEET NO.

2 of the solid, liquid and gaseous radwaste generated per steam generator outage for first and third phases, setup and cleanup.

Table 2 provides an estimate of the solid, liquid and gaseous radwaste per 100 sleeves installed during the second phase sleeve installation and inspection.

Multiplying the values in Table 1 by 8 to account for four outages in each steam generator and the values in Table 2 by 40 to account for 2,000 sleeves in each steam generator yields the total solid, liquid, and gaseous radwaste as solid radwaste liquid radwaste gaseous radwaste 2,760 cubic feet, 120 gallons, negligible 42.9 curies

.04 curies All activity is primarily comprised of Co-60 and Cs-137.

Very truly yours, Jo n E.'aier

C'g i

Table 1

Steam Generator Sleeving Outage Dependent Radwaste Setup/removal of work area Per steam generator outage solid liquid gaseous 100 cu. ft.

0.100 curies Dismantle equip.

channel head and clean 10 cu. ft.

0.010 curies Table 2

Steam Generator Sleeving Sleeve Dependent Radwaste Installation solxd 27 cu. ft.

1.025 curies Per 100 sleeves liquid gaseous negligible Nondestructive examination 20 cu. ft.

0.03 curies 3 gallons 0.001 curies

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