ML20056C277

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Mod 1,transferring Contract from Ofc of NRR to Ofc of Nre & Providing Incremental Funding,To Anchor Bolt Behavior & Strength During Earthquakes
ML20056C277
Person / Time
Issue date: 01/06/1993
From: Kuenstler W, Michael Scott
NRC OFFICE OF ADMINISTRATION (ADM), TEXAS, UNIV. OF, AUSTIN, TX
To:
References
CON-FIN-L-2231, CON-NRC-03-92-025, CON-NRC-3-92-25 NUDOCS 9305130090
Download: ML20056C277 (9)
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1. CONT RAC1 40 COOL pg<,g 99. pggg3 AMENDMENT OF SOLICITATION / MODIFICATION OF CONTRACT 1

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U.S. Nuclear Regulatory Commissio Division of Contracts & Property fianagement Washington, DC 20555

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a. NAME AND ADDRESS OF CONT RACTOR (NA. acreet, county. Stak sad uP Codef University of Texas at Austin P.O. Box 7726 Austin, Texas 78713-7726 toA. MODtF8 CATION OF CONT RACT/ ORDER no.

Principal Investigator / Technical NRC-03-97-O?s

Contact:

Richwel F. Klimmar y

    • 8 o^Tw gu nu 4as Telephone No. (512) 471-i'353 5/1/92 l FACILITY CODE CODE 11.THIS ITEM ONLY APPLIESTO AMENDMENTS OF SOLICITATIONS O is. sm;e:,. O is t es.

Onded.T,e abo.e m.mbe,3<r sea,t. tion is ame,eed as.et fo,,h in item i4.2,e sou, a,e date ipt of O,.rs Offers rnust a:inowledge re::elpt of this w.2. sat pr&ar to the hour and date specired in the soticitation or copies of the amendment: (bl By acknowledging receipt of this amendment on each copy o OWLEDG.

submitted; or ic$ By seperste letter or telegram which lenctodes a reference to the solicitstion and ame*fm (a) By completing items 8 ami 15.and retuming.

MENT TO BE RECEIVED ATTHE PLACE DESIGNATED FOR THE REC if d letterJ+'.f.ed each telegram or letter makes reference to the soGeitation and this amht,and is recehod p

12. ACCOUNT $NG AND APPROPRtATtON QA1 A 32f argsseed)

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13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS / ORDERS.

IT MODIFIES THE CONTR$7/ ORDER NO. AS DESCRIBED IN ITEM 14.

(Spe'tt/ sathority) TNC CNANGES SET FORTH sN si CM 14 ARE MADC $N 1 HE CON.

E. A. *IHis CHANGE ORDER && 155UEO PukSUANT 104 e

TRACT ORDER NO. GN ITEM loa.

5 3.THE ABOVE NUMBERED CONT R ACT/ ORDER ES MOOtFf ED TO REFLECT THE ADMINISTRATIVE appropriation date. esc.) SET FORTH $N 8TCM 14.PUR5UANT TO THE AUTHORITY OF F AR 43.103(c).

C. THIS $UPPLEMENTAL AGREEMENT S& ENTERED $N10 PURSUANT TO AUTHORITY OF4 X

FAR 52.243-2 CRM;FS - COST PFTMiUDRFMFNT ( Am 14R7) AT TERNATE T ( App 14RIA D. 01 HER CSpectfy type of modtiscehon and authorsty) 2 EO,;, to iso i:soin, ottic..

E'IMPORTANT: Contractor O i not, is cenotree to ion tN.oocument.no,eiurn ut tser aukere Icostue.)

-1<. oc5CRsenON OF AwENoMEN stuOute sCADON tOreanteed by vcrorce.on hendents.includsne noncisanontcontract mut See Attached Page h

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l 9305130090 930206 PDR CONTR NRC-03-92-025 PDR ll force Cccept as provtoed f.erein att terms and conditions of the document referenced in Item 9A Of 10A, as heretofore chan 16A. NAME AND 1IT LE OF CONT RAC1 tNG OF FICER (7ypt orpnnt)

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ISA. NAME AND lt1LL OF 5tGNLR fl'ype or printf WAYNE K KUENSRER, DIRECTOR OfflCE Of SPONSORED PROJECTS.

Mary Lynn Scott, contractinn Officer 16C.DATE 5tGNED lbC.OATL blGNtD 36tt. ONt1 LO ST AT L5 OF AMERtCA K U ou,~ a r T C

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NRC-03-92-025 Modification No. 1 Page 2 The purpose of this modification is (1) to transfer this contract from the Office of Nuclear Reactor Regulation to the Office of Nuclear Regulatory Research and (2) to provide incremental funding in the amount of $25,000, increasing the cost from $20,000 to $45,000. Accordingly, the following r

changes are made:

1.

Section B, Paragraph B.3 CONSIDERATION AND OBLIGATION--COST F

REIMBURSEMENT (JUN 1988) ALTERNATE I (JUN 1988) is deleted and replaced with the following:

a.

The total estimated cost to the Government for full performance under this contract is $460,163.

b.

The amount presently obligated by the Government with respect to this contract is $45,000.

c.

It is estimated that the amount currently allotted will cover performance through February 12, 1993.

2.

Section F, Paragraph F.4(a) is deleted and replaced with the l

following:

n (a) Project Officer (3 copies) t Herman Graves U.S. Nuclear Regulatory Commission 5650 Nicholson Lane Room NLS209 i

Rockville, Maryland 20852 3.

Section G, Paragraph G.2(a) PROJECT OFFICER AUTHORITY _(JUN 1988) is f

deleted in its entirety and replaced with the following:

j (a) The Contracting Officer's authorized representative hereinafter referred to as the Project Officer for this contract is:

Herman Graves U.S. Nuclear Regulatory Commission 5650 Nicholson Lane Room NLS209 Rockville, Maryland 20852 (301) 492-3813 All other terms and conditions remain unchanged.

This modification obligated FY93 funding in the amount of $25,000.

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I SECTION C - DESCRIPTION / SPECIFICATIONS / WORK STATEMENT C.1 STATEMENT OF WORK BACKGROUND In December 1980 the NRC designated " Seismic Qualification of Equipment in Operating Plants" as Unresolved Safety Issue (USI) A-46.

The objective of USI A-46 is to develop alternative seismic qualification methods and acceptance criteria that can be used to assess the capability of mechanical and electrical equipment in operating nuclear power plants to perform their intended safety functions. Since equipment is usually anchored to concrete through anchor bolts, it is therefore necessary to ensure that the bolts are capable of resisting seismic loads.

On March 18, 1988, Hilti, one of the major manufacturers of expansion anchor bolts, reported, in accordance with the provisions of Title 10 Code of Federal Regulations, Part 21, that the test of the Hilti Kwik Bolts disclosed that the previously recommended minimum edge distance from an unsupported edge of five times the bolt diameter may be insufficient to develop 100 percent of the recommended anchor capacity.

Since the disclosure of the edge distance problem to the NRC, the staff has embarked on an intensive program of collecting information pertinent to the issue at hand and assessment of the current situation with regard to the installation practices of expansion anchors. The issue raised by the notification made by the Hilti Corporation was incorporated into the resolution of USI A-46.

The Seismic Qualification Utility Group (SQUG), a utility group, has developed a Generic Implementation Plan (GIP) including criteria and walkdown procedures that will be used to resolve the concerns of USI A-46.

Following NRC approval of the GIP, each utility will conduct a walkdown of its nuclear facilities using the GIP criteria and procedures.

The criteria and procedures specified for anchorage walkdown in the GIP contain specific information relating to bolt strength under dynamic conditions. The GIP including criteria and walkdown procedures has been reviewed and accepted by the NRC. However, very little test data are available regarding the behavior and strength of anchor bolts under dynamic conditions (cyclic loads) to validate the criteria in the GIP.

It is usually assumed that behavior and strength of anchor bolts under static loads do not differ much from that of earthquake conditions. The adequacy of this assumption has never been adequately verified.

OBJECTIVE The objective of this contract is to verify, by testing, the adequacy of the assumption used in the U.S. nuclear power plant designs that the behavior and strength of anchor bolts (cast-in-place, expansion and bearing-type' (undercut)) and their supporting concrete under seismic loads do not differ significantly from those for static conditions.

A If, at the conclusion of the static and dynamic tests of single bolt anchors (Task 1), the test results do not verify the assumption described above, NRC may defer further tests and request contractor assistance in developing valid assumptions for anchor bolt strength under dynamic conditions.

L WORK REQUIREMENTS Task 1 - Static and Dynamic Tests of Single Bolt Anchors [6jgfiiIoWi{

are a test plan for si le bolt static and The contractor shall prep (id{UIf3 FEED 3E6ErE Efiifs7156) BIG 1

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The test plan shall describe the facilities, equipment and instrumentation to be used for the tests. The sites of bolts to be

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tested are 3/8", 1/2", 5/8", 3/4", 7/8" and 1".

The concrete strengths to be used are 2,000 lbs; 3,000 lbs, and 4,000 lbs. The test plan shall also describe the proposed method for conducting the tests including, but not limited to, the number of tests to be performed for each type of bolt and concrete parameters. The contractor shall submit the proposed test plan to NRC for approval prior to beginning actual tests.

Following NRC approval of the test plan, the contractor shall conduct tests in accordance with the test plan on single anchor bolts as specified by the NRC.

f At the completion of the Task 1 tests, the contractor shall provide a preliminary report to the NRC describing the tests performed and the results obtained.

Following HRC evaluation of the preliminary report, NRC will direct the contractor to proceed to Task 2.

Task 2 - Tests of Closely Spaced Multi-Bolt Anchors Q@ol(@

The contractor shall prepare a test plan, similar to the Task 1 test t

plan, for closely spaced multi-bolt anchors to quantify tensile strength gelagvp_to bolt spacing,._f65Qiffdii}i5fi~661piddFEss3hfIIsKdf[jiiiDhd ha#gappro aciQversusib nean$hterp${ifj$hnipld{@pke ffort ish ontionsapproacli.~ N coneMj!@jlog@$M((fe@jhEEM s11$1pikho$ [ ~

This test plan shall describe the facilities, equipment and instrumentation to be used for the tests. The sizes of bolts to be tested and concrete strengths to be used shall be the same as identified in Task 1.

The test plan shall also describe the proposed method for conducting the tests including number of tests to be performed for each type of bolt and concrete parameters. The contractor shall submit the proposed test plan to NRC for approval prior to beginning actual tests.

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Following NRC approval of the test plan, the contractor shall conduct tests in accordance with the test plan on closely spaced multi-bolt anchors as specified by the NRC.

At the completion of the Task 2 tests, the contractor shall provide a preliminary report to the NRC describing the tests performed and the ~

results obtained. 'Following NRC evaluation of test results, NRC will direct the contractor to proceed to Task 3.

Task 3 - Tests of Multi-Bolt Near-Edge Anchors [7]tTolifM j

The contractor shall prepare a test plan, similar to the Task I test.

for tests of multi-bolt near-ed.e anchors. Jh 'G

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b This test plan shall describe the facilities, equipment and l

instrumentation to be used for the tests. The sizes of bolts.to be l

tested and the concrete strengths to be used shall' be the same as identified in Task 1.

The test plan'shall also describe the proposed i

methodology for conducting the tests including number of tests to be j

performed for each type of bolt and concrete parameters. The contractor shall submit the proposed test plan to NRC for approval prior to i

1 beginning actual tests.

following NRC approval of the test plan, the contractor shall conduct tests in accordance with the test plan on multi-bolt near-edge anchors as specified by the NRC.

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At the completion of the Task 3 tests, the contractor shall provide a preliminary report to the NRC describing the tests performed and the results obtained.

Following NRC evaluation of test results, NRC will direct the contractor to proceed to Task 4.

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Task 4 - Tests of Multi-Bolt Anchors in Cracked Concrete [ @Ks]

The contractor shall prepare a test plan, similar to the Task I test 31an for multi-bolt anchors in cracked concrete.

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instrumentation to be used for the tests. The sizes of bolts to be tested and strengths of concrete to be used 'shall be the same as

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identified in Task 1. - The test plan shall also describe the proposed methodology for conducting the tests including number of tests to be performed for each type of bolt and concrete parameters. The contractor i

shall submit the proposed test plan to NRC for approval prior to i

beginning actual tests.

Following NRC approval of the test plan, the contractor shall conduct tests in accordance with the test plan on multi-bolt. anchors in cracked concrete as specified by the NRC.

At the completion of the Task 4 tests, the contractor shall provide a

.l preliminary report to the NRC describing the tests performed and the l

results obtained.

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PERIOD OF PERFORMANCE t

The period of performance remains unchanged.

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C.3 TRAVEL Two 2-day meetings for one traveller to Rockville, Maryland, to discuss progress of the work are anticipated for each year.

Investigators will participate in meetings at other U.S. locations to obtain source material for this program. Two 3-day. meetings for two travellers is anticipated for each year.

Foreign travel - one 1-week trip for one traveller the first year and second year to the Republic of Germany or England is anticipated. NRC Contracting Officer must give prior approval for foreign travel.

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C.5 REPORTING REQUIREMENTS Contractor will prepare the following reports:

Technical Reports nNdlQMn'gMGMfhalnet~tiMpnggpAg3 contractor shall prepare, as

[f na results become avaflalile, topical reports of Tasks 1, 2, 3, and 4.

Monthly Reports A monthly business letter report shall be submitted by the 20th of the month to NRC Project Manager, with copies provided to the Director, Division of Engineering, Office of Nuclear Regulatory Research. The report shall identify the title of the project, the FIN, the Principal Investigator, the period of performance, and the reporting period, and shall contain a Project Status Section and a Financial Status Section:

a.

PROJECT STATUS SECTION (1)

A listing of efforts completed during the period, milestones reached, or if missed, an explanation provided.

(2)

Any problems or delays encountered or anticipated and recommendations for resolution.

If the recommended resolution involves a contract modification; i.e., change in work requirements, level of effort (costs),'or period of performance, a separate letter shall be prepared and submitted to the NRC Project Manager.

(3)

A summary of progress to date.

(4)

A brief summary of plans for the next report period.

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