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Passing No. ~G sieve _roin 10;5 to 307
<br />Passim; IVo: '100 siwe from 25 'to 10;5
<br />Cla~T~ & Silt, Yry lnrei~ht not over 375
<br />(e) C0'u~S~?, iiC(>n~:~G._T's: Coarse af:~r~re~atc .for concrete tr~ror~;. may be broken stor:c;,
<br />bl~:st furnace sla,,; or r;ravtl. It shall be clean, free f'r. om loam, cla.,,r, ~,i lt,
<br />or~~an-lc. matter or otlier injurious impurities. Stone s'rall be h~:r•d lir:Yestane_
<br />ti'aiJ r'OCI~ OT' ;7'clniti~. ;:)~.<i~? shall.be a7.r cooled b~_ast furnace slcr;, Goan, soulcl,
<br />u.n7.form in u.enSltrT ail0_ T.rOe from th1I1, Elon~'ated or ~:lassy pieces, and must
<br />weir-'rrL- not 1_ess than r_:iz~~hteen ha.nci:rod (1800) founds x:er c~zbic yard.. Gravel
<br />sile.ll be clean s ilic<:t, screen „~~sheca, sound and hs~.rc~_ and acceptable to -thy:
<br />Engineer. i'_ny n1.~tterial us~~cJ_ s'nal1. ~)e :« .~)lacc:~d vrh~an deliverF~d i.;11at it vTill
<br />not b::con.e contaYa:Ln~.tc~d by earth, :~ra.ss or other %orei~rn substance. STZ?:
<br />F'Or i1Se in COnCrete 1):!_pe,' Or lY?. ;'TOr!S 1C;_ S t;1~iY1 ei~'ht -i Y1C'Y:.°S (.~" J till C'tC, all
<br />a~,F'yr,G~~lte, sh~L1.1 ;J~1.SS a OYle 111C1"1 ~~_") SG']"E.en ;and Ge rPtC-3.7..n.'d On tl one-C1Ua.r'ter
<br />1? ch ~1/~II) cam-, v ~ ~•n r ~ C C; :.. ~i ~ Y'^- ~ - o
<br />' 1 ` ~~r~eri. I Or 1C,.r _r ~=or.: -tll(, ~~.,'';r'c:L 'tE~ hC:.ll ~;ih;c :~ ro?7l a size
<br />VTh7_Ch iir7.11 pass a tWi) 7_Y'1C't'1 (2") SCr`.'~'ll 2:C]C fie: I".?tu.l.nf~d OYl a. OYi~•-C7U~?rtEr 7_'11Ci1
<br />(1/~11) SCI'E?°n. `li'le TTOiCiS in ~.OOSP.i~T ')lc`1Ct)C~. %li;~"I.'i:':'2.tE sllal.l _^•.Oii C-:XC(?eC~. f0T'tf
<br />five percent (L~~;~~) .
<br />(f) C,I'rJ~::C . Cin~).ers s',all ~e OnJ.;~%' tnOS:, rOi;i £a. 10b'iF._""' print ~Y1C.l llOt tt"lOSt fr0111
<br />S'tOVeS Or i10USC:r101.(:1 :~'l)rna.C2S. 1"_rlc;;~' c~il,zl:l. be bl.:~cY: ar~ci :~'r~~c_~: ~Y'O?'? C11nK8rS,
<br />UnbUi'Yled COC:i.I, .%.i_11C C!?.151. aYlLi r rJ 0blC~i1.
<br />(`%) ,J.:i~'~'1i1.:' ~il_i '!lrC:.tC?r reC7ia:Lr~C1. 7.1 'the e~eCiltlc;n Of 't117_S COntr2.Ct i;1:~tSt be ;:~rC-
<br />r_,
<br />TTiCi.ed by %11P_ ~iOntr'aCt01" C1t 1r:LS UF.'ri °)'.t%E:IiS°. :.'titer CO`lt~^..ln ?'1~ S3l°Taf':'., C13.~T,
<br />oil ox` .i'i1 th ~m.tt-; t no't 'c) , u-s oc~ . •
<br />(h) BR=iC1~: Pric'ti used 7.Y1 the constr°uct~_on o.,::~ catr_•.;Ibai,~.rrs, m:rtilol^s, -inv;rts,
<br />junctions ctYY1 S~'.'r'r'~:r~:i Si'lci.~l b'. Si~1CiO~~ih, SOU't1;.., tOl.Z~'~`i, V::~'{i~'l St:C'a1'l;f', $rl~:rn :~(~.('C;::,
<br />flat surfaces and s~~all be uniforr:? ir: nr.:l-! -i;tr, Cross SoCtion anti d'1_r":ienS1.0?"1.S .
<br />If made :f:rort :;;-urfaC<~ clay- or zire clay they shall l~)e bu.rncd. lard .errt,ir~l;~j ihr•ou;_'h
<br />the brick. If Pdo. 2 shr:1C brick is used it shell be thorou~. hl;r j-itri~fieci, anti
<br />s:rall S11Gti1 not to ea~c~c;d. ;ir;ht pr~~rcelr~-t (~35) absorption trrhen 1•tiin dried then
<br />iYruaerSeC~. In Vdu'(.E'.r for tV,rF7.~1'G~jr __rJ17:/' (~1.;.) ..O.i"~'S,. .:11 ''_ir_CiC `.rlla:t_~_ ~:2 'l',ilOrOtat.'171.y
<br />sprinkles. '~1Tith .~r~~.ter be%ore laying:;. x;:1.1 severer ;nick si~ali_ have a i~~rirltkl of
<br />f our inches ()_~") , a. ten; nth O~' e.~~;ht ~xnd one-ha.lf inc:nes (8 1./2") a]ld a depth
<br />of ~itrro and oYle-h:~~lf inches (? "1, 2"), three inches (3") or three tint. one-hal_' .. ._
<br />1;1C~iGS (j lj 2rr) . I,ut~~ed br:! Ck, COr~.C bI'1L'f' Or ~)r]_Cis h8.~T1Y1~' rECeSSeS Or Ol)F•.'Il--
<br />:tn~;s e:~tencint; throu~:h or p-.:rtl;y ti11"'OLIi'1"1 -!;he boc:.~r or t'ne br:i.ch :na~r not be used.
<br />(i) VIT:R.I'1 ~~./ .. ~:~'s~ r1Fi!,: Dili vitr~.:iied sozwer pine, slants a.nu. soeci,^.7.s sha.ll
<br />be of the bell and s,:~ir;O~t 'oatteril salt;.-dazed, circul:~.r, vit~~i:~ ied ea.rl:hen-
<br />LvctrC', rA:aCe :iY'OYIl 51"l.a.~_C'. Or .ilr~'. C;1Cz;,T, 'free f?°Om ~:Ce-Ci1cC1•;:5, ):111Stf;rS O:!" o'L'hcr
<br />imE~erf ect~.~ons .
<br />Unless Oi;liel'V~1Se SpC:C:Li'1C:Ct, 8.11 t.~-i'.:~t:, S~_::t71'iic snd SY?eC1a1S 511x11 CO11fCrY1
<br />to the requir.ell:nts =sp.-:ci.f~~.en i.n t11.; "St~trdard Sroca_fic<<.i.ons for Stanciar'd
<br />,,tr~.n~;~in ~__af ~t.,.:.c.r 1'i,)i: , .~._. .i._. _ ir•n~: _4_~. _,.
<br />•t`~11'~':Y'e SpiC1~.'i°i:i, 01' C>lled fO' 7.i1 t11C', r18.nS, F'..1_l 1)7_?)i~, s1.a11ts and specials
<br />sha11. ccnforl?? to ti:]F' r;=:CiLZsrc::: nt_`: S:^.= ..._A7_C'C: ].rt file r'~~~ta.ild.urd ~ i~2C~f]_Cat]_OnS
<br />fer I~xtra-Strength. Ca.o~ Sev~c:r F'ip•a",~__.S.!.'.,., i?esi<.nat'ion: C-?00.
<br />Ll)1:1.:it~.: Lt:~rlt)C''P .~Or SfiE:c.tin', SCi~,et T~l:.ic:, i.OC'YIiS, J:iCi~, i_~ O_ _ "1Ci~'"ln€.
<br />;gust be of Food quality anu. of sizes .nc3. si-cr:ns"•tiz sn.:Lt:l:~:i_c ~'c.r ;roperl.~,r hro-
<br />tectin~ the wc~r: and ?°r;x•kl~l<~.n :~ rom c'«.n~r~.r., anti i'ar' sr::cur~-:t~• tl•le best possible
<br />conditions for Construction. <~n~r m~:ter_i.~Al cl.ee_,l;:~d ,.Lns~z-i~t;ak~1^ o,~• unsafe b}T t11e
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