1957 566 Ordinance - Laserfiche WebLink

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.~,•~. l ~ nGn ~` SPEC IF I'C~xT IONS COidCRETE CURB AP~?D CURB D??:>IN l . i~~IAT RI_I~LS (a) G~L']1TERAL: Unless othe.r~rrise specified, all materials used in tl]e v~ror?~ under this con:tra.ct sha.11 conform to the requirements of the; current specifications of tl]e Ar.?srican Society for `resting i;iaterials (A.S.T.I:i~), a.nd shall be tested in accordance with the currenti specifications or current m.etL:ods of testing of the A]erican Society for Testing I~:~lateri als, ,~~rhere s~,~:,ci_ficati ons and methcds of testing have been adopted, revised or proposed. fo,., s>>c?~ n]ai;c~rials. It is under- stood ~,_d agreed that vrh ercve]° the -,°lor~l. "cur_:•ent" is Wised _relative to t.ze s~~:.c`- ficrt~~ioc~.s a.nd methor'~s of testing o:f the Arerican Society for Testin l:ateria)_s. it refers to the Standard or Tentative Standard of that Society bearing the lates~ d~.te, IQ : ?]aterial sl~.all be used until it has been inspected and appro:red on the site o" i~.,te ~~ror'L, ~:±lien .roc~uired by -L-he .~nsincer, any or all materials entering in~`~,e t~_]F ;;:._.~~; c]•ti~.ct`_on of ar;~ rork under tl.is contr:].ct, sh.:1.1 be tested by a ,~epu- tal^i.~ ~':e:;%~:.; ?a'r.~rator~- a,-~~ the Contractors expense. ~ n ~~~:. Sach in,:,r.ectior~ s_ 11 not ~ r0.':"V3 ~:l]t'.ri~)T:iG2'_iC;.Gr Cf aT~iV Of llj_S obligations in th:i_s respect, and and- de- fect- c~:; mate.-:•=.~~.:_ or ?^rorkm,~nship ~~vhich relay have passed tl]e r,ng;ineer shall be at all timos liaale to rejection vrh~:n discovered, until the final completion of ~~he contract, (b) AIR-•Fi~TT?A?=r?TNG rORTI,AND C ':L_~TT: All cement used in the v:rork shall be of al~~ provc;d L-r•~.;-.d ~~.r~d sh~11 mf~et the 'requirements of the Tentative Specifications for Asir-Entrair:in~ Portland Cemeizt for Concrete Pavements of the American Society for Testing P:i.~terials, DesignatJ.on C 175. 'I'lze tcas~.le strength requirements shall goT,rern. ~r•Jl-!en the cement is deliver- ed in pacltages the name and brand of the manufacturer of the cement and the type shall be plainly :marked .thereon. A sacl: of cement shall contain 9!~ pounds net. A barrel of cement shall consist of 376 pounds net. All cement for use in the °rorlc shall be kept 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, well graded fron] coarse to fine, free from l~~mps of clay and. all organic matter, It shall shoe°r not over ~ loss on decantation by r<<eight. Tt shall be uniformly graded from that v~_ich vri11 pass a P?o. !~ sieve to t'_nat vrnich will pass a No. 100 sieve and- at least one-third of the material sha.11 be retained. ul;~on a ATo. 30 sieve. (d.) CO"~RSu AGGRFGAT~: The coarse aggregate shall be crushed l~nestone having a specific gravity of not lass than 2.>; hardness of not less than 12; toughness of not less than l.F; percentage of 1~rea.r not over 6%; modified ~.bra.sion loss not over 2~i~ -all determinations to be n]ade in accordance to requirements of the American Societ;yr .for Testing; 1!~laterials. The limestone shall be rnac%ine broken a.nd screen- ed and it shall be free from an injurious amount of soft, friable, thin, elon- gated or laminated particles or pieces, alkali, o?^ganic ma-Lter or other delete- rious ma_t~Ler. Co~~.rse aggregate shall conf arm to the .follo~rring requ~.rements for grading, designated as i~To. 1~.6 - phi.o State lzighvray Specifications C-1