1963 825 Ordinance - Laserfiche WebLink

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~, . nGn SPEC IFIC~iT IOidS CONCRETE CURB AAID CURB 1)1~~~IN 1. T':i.RR'.~ RIALS (~~) GENiR.9L: Unless other~~rise specified, all materials used in the vror'.; under this contract shall conform to the requirements of the current specifications of tree American Society for Testin~,f aterials (A. S.T.)'';T.), and shall be tested in accordance vrith the current specifications or current metl:lods of testing of the American Society for Testi~ig It~iaterials, ti~inere s''~eC7_Ilca.~ti ens and methods of testing have been adopted, revised or proposed far st;.ch :na~iaerials. It is under- stood a~~d agreed that ~uJlierever the lrortl, "cur~~ent" is Wised relative to the ~,~sc - ficatio~_.s and methods of testing of the American Society for Testing i~atPriu i_s; i~t refers to the 5~tandard or Tentative Standard of that Society bearing the latest date. Cdr. ~nateriai small be used until it has been inspected and appro:-ed on the site c:° ti~.e v~or'_t~ ~:ihen .roeiuired by the Lnsineer, any or all materials entering ink;o t~iF: ;;:,ns~'trv.ct:lon of any ~~rork under this contr;~.ct sha1.1 be tested by a ~°epu-• table ~'-•est~L~ :l.a'~oratory a.'.'. the Contractors exoense. Such inspection 5h<:11 not rei. ~.E~v~. ':11e C~~ritx°ac for of any of. leis ob"ligations in this respect, and an~~ de- fect:;_c2 ma-Le:~ia.l or vrorkma.nship vrl:ich may have passed the Engineer shall be at all tirnosliable to rejection vrhan discovered, until the final completion of the contract. (b) AlR--E~1TR_'~' 11iTPTG rOF~TLAND C~+.;L_~~1T : All cement used in. the v:rorlc shall be of a;,:- provc:d bra; .d a.r~d sha.11 meet the requirements of the 'i'entat.ive Specifications for Air-Entrairin" For•~tland C.er;.ent for Concrete Pavements of the American Society for Tes#;ing i:iaterials, Des.i.gnation C 175. 'i'he tensile strength requirements shall govern. '1I1-!en the cement is deliver- ed in packages the name and brand of'the manufacturer of the cement and the type shall be plainly marked thereon. A sack of cement shall contain 9~. pounds net. A barrel of cement shall consist of 376 pounds net. A11. cement for use in the ~-rork shall be ltept covered so as to fully protect it .from moisture at all times. (c) SAND: The sand used for concrete shall be natural sand composed of clean, hard, durable, uncoated particles of stone, Z~rell graded from coarse to fine, free from l,zrrrps of clay and all organic matter. It shall shoi~:* not over ~rv loss on decantation by weight. It shall be uniformly graded from that v~~hich iRri.ll pass a No. ~, sieve to that ~rrhich vvi11 pass a No. lOG sieve ar_d at least one-third of the material shall be retained upon a Flo. 30 sieve. (d) COARSE AGGREGATE: The coarse aggx~etaate sha]_1 be crusizcd limestone having a specific gravit3T of not less than 2.5; hardness of not less than 12; toughness of not less than ~.; percentage of near not over 6; modified abrasion loss not over 2~% -all determinations to be r„ade in accorda:~ce to requirements of the American Societ~r for Testing I:iaterials. The limestone shall be machine broken and screen- ed and it shall be free from an injurious amount of soft, friable, thin, elon- gated or laminated particles or pieces, alkali, oa°ganic matter ox other delete- rious mater. Coy^rse aggregate sh.a.l]. conform to the follot~~n~;requirements for grading, designated as I~lo. Z~.6 -Ohio State Iil,ghvray Specifications CPl