4. C9eeT AACT 3D COOL PAGE OF 84be5.5 WENDMENT OF SOLICITATKWMODIFICATION CF CONTRACT 1 3 Awt Nowf M1/uposFIC Af EON #eo | 2 B FECTevt DAf = R Qu'6.T aoN?vh C M A11 RE Q 8eo 5 pm oJ E C 1 No fi' ** ess eb.e s Twelve (12) c. Gbb s issvao e, RFPA fio. 02-80-074 , w . N s t a n t o . ,, r e, . ... ,,,- ,, j U.S. Nuclear Reguletory Corrission Division of Contracts Washington, D.C. 20555

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E IMPORT ANT Coat'ar is r ct b is reas aed to sr tms docu rne" and reta r. ' copres to the riss n; ONE Tro t s o i m o N o r A - t N s w ( N T fu o o , , , c . T , o ., ,o .,,, a ,, . , eci ,,, ,. ., ,, . . ,, . ,,,,, ,,,, ,o , ,,,, ,,,, ,, o,, ,.e , , ,,, e, , , ,n. , ,, . , , r, . e i, , The purpose of this modification is to revise the delivery dates for the interim draft and final reports, concerning field monitoring of infiltration limiting trench covers, and delivery date for Task 4 report which concerns abstract conclusions and revisions. In addition, this modification establishes a requirement for a final monitoring report in accordance with Item No. 5 under Article I herein. Finally, this modification extends the overall period of performance and establishes consideration to the Government for the contractor's failure to nake timely deliveries. performed without additional cost to the Government.The revisions set forth herein shall be follows: Therefore, the contract is revised as 8510010240 eso926 PDR CONTR NRC-02-80-o74 PD cae e i c. oro.ioes me,ein. .n te,mi eno conome i e' iae oc.comeai .R ! E sceo . i cal vi. t' w . .4., m 4 . - s im a | N5N TSMI 352 8070 30 105 | CEE VICUS EDITsoN UNvSABLE ST ANDARD FORM 30 tat v. Icss3a P escelti.e by GS A w m e - m- . . . --. - -_ - __

' . ,- . NRC-02-80-074 Modification No. 12 Page 2

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A. Article I, Section D, Reporting. Requirements, Paragraph 2, Task Report, is revised as follows:

' Required Delivery Item Quantity Date ; 1. 'Interiu draft report Two (2) copies - 9/15/85' i documenting the one copy to the progress of field Project Officer monitoring of.infil- and the other tration limiting to the Contracting 1 trench covers Officer .

2. Final report document- 'Same as 1 above ing the progress of 9/30/85 field monitoring of infiltration limiting trench covers ',

, 3. Task IV Report - Same as 1 above : Abstract, conclusions 8/31/85 and revisions

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4. Receipt of NRC's --- Within 4 comments, if any, on months after ; , abstract, conclusions ' and revisions 8/31/85 I= 5. Final Monitoring Report Same as 1 above (to include additional 9/30/86 infornation based on~ a full year of detailed computer-controlled ! nonitoring data (also to address NRC's

! connents in reference to Item No. 4 above) B. Article II - Period of Performance, is deleted in its entirety, and the following is substituted in lieu thereof: ! Article II - Period of Performance, the period of performance is L extended from September 30, 1980 to September 30, 1986.

C. As consideration for its failures to make timely deliveries, the Contractor agrees to provide an additional report, in accordance with Item No. 5 of Article I. herein, without additional cost to the Government.

D. The actions set forth herein shall not have any impact on the negotiated reimbursable cost.

All other terms' and conditions remain the same.

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