Document: NRC Regulatory Guide
Document ID: c8bca664-b179-482a-a948-1ff683ef6b67
Document Type: regulatory_guide
Title: Structural Acceptance Test for Concrete Primary Reactor
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1303/ML13038A421.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.18
CFR Part: 
CFR Title: 

Content:
approxi • Iand one-half tendon duct dianmetes'. - . 6. In. noniprototype conitiainmients.str~ain measiuirneients:! need not be nmadeif st:rai a:ný leve's haive beenio:•rrelat•de with deflection measurements during the acceptaance test of a prototype containment. 7. Any reliable system. of displacement meters:, opti cal devices, strain gauges. or other suitable apparatus may.b be - used. for the measurements.. .- --... 8. The environmentalconditi6ns.. diuiingihe test should' be measured in such-* mamhner • s'id.o"such-an.extent'that------- will permit the evaluation,:.of. their. con"tributio "is to the response of the- containment. Insideand 6utsidelof the containnment, aCtm•icsperic -temp:erature. pressure, and 40 i" humidity should be.n.oiipre d c,¢iiinýuousl dunng the test. In 'addition, theiteimp4era:tiui-eSinside and outside the-,- containment should.; be:. measured.". for su•f§ficientl•yiiiy '.ng, iq. periods of tinie lprior,.o t:. .test.iAoestablish anai:anierage, temperature of :the. wall to: 'be:'used fin -:evaluating: the effects of temperature changes .onthe defl••tion and strain measurements. 9. The environmental. conditions under wlhichthe týest may be conducted: should be .specified.W-The test d shold,.. - not be conducted under extreme .:weather co.nditions, such as snow, heavy -rain, or stroi9g:wind.. 10. If the test pressure drops-. due to unexpected conditions toor below th .ne-•:loweri pre•sure level the entire :test sequence...sh6_uld .b•.e•..repeated."Sign.ificart• deviations from. tIfe:. prevlouis-tesr shod he recorded.and evaluated. 11. 1f any sigfificant: modiific.atitions: r. tepairs -are made- - to the. contaifimen.t:..f6llowing-.Ihe.testi..~t the:test should<be repeated. 12. The following informaition.-should beihcluhded in-'the Prelimina-ry-Saf ety "naysis Re.ort •- .a. a d e~c •ip f6n"6 (!tlhT;ioas _;.••@ t acetet`'' a a dscripion: of te :proposed ;acceptnef---- b. lthe.i.:nu: mericM values o•f