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HomeMy WebLinkAboutDRC-2010-001768 - 0901a06880169904StateofUtah GARY R. HERBERT Govemor GREG BELL Lieutenant Governor Department of Environmental Quality Amanda Smith Execuiive Direcior DfVlSlON OF RADIATION CONTROL Dane L. Finerfrock Direcior %J 7 TO: FROM: DATE: SUBJECT: MEMORANDUM File ^/^ ^ )H) IV Dave Rupp, P.S.E. December 2009 ^^.^z"^? '''•'-^ New Decontamination Pad (NDP) Design Critique Concrete Permeability The provided esfimate for the permeability, "k," e.g., ofthe 28-day cure concrete of 1 X 10'^ m^ in the equafion v = k (7/ia) • i for water corresponds to about 75 cm/sec for k in the V = k-i equation shown by Corbitt'. For a k value of 75 cm/sec the concrete would be very permeable. F:\drupp\DUSA\NDP Design Critique l2-09.doc ' Corbitt, Robert 1990, Handbook of Environmental Engineering, McGraw-Hill p. 5.42. 168 North 1950 West • Salt Uke City, UT Mailing Address: P.O. Box 144850 - Salt Lake Cily, UT 84114-4850 Telephone (801) 536-4250 • Fax (801) 533-4097 • T.D.D. (801) 536-4414 www.deq.iitali.gov Printed on 100% recycled paper /A 30 - C^ 0) II K CoNi (Mfe. /f %'Slt^ ^ c" ••'17' ii l?a^A -VOP C J /^ " H.'3€o -^ '^J fee -m ^ cofr^C' S€e*.»»t ^:<s» f K« cr Cc-AAv, C/G" lAkS'i^ ^ ^ mi ^. ' /C^' J^JK:. /n^ ^ /c ^ r^ Tf o 1 f^.^^"^ W^,«? /^/ ^^•^.S f , ^|__"^'>"' i^^*^. Jec -s.w?-Stfct-.iryiT JC/" __, ,...,„, ., .-. ys€.rr\ Aw^^O f//3^/o9 ^ff.S'f- ^H/<^ Al ^=.i.^o«£--^ X^fJ^^'^l^f M< A% /y -»i Ai. y ^ - 2 I AT^ ^^' ; /c t*\, '^l oU<T^p k>^} k. (pmc. ^y^) ^ OL^CVCY '^ -7 atf ctti^^ -150ZX/0 -^^^ A3P7X/^-VV^' (3 59"/=' ' 74^^ >< lo'^n^lsec (/