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Sufficic~r~~t ;,ioir_tin~ COIIIpOl~lid shall be used to c:.LUSe ti7e compol>nci to be sq_uet;~e~'
<br />c:> ~t on the inter'LOr and. elder:i_O'1^ surfc~cc~s of. the pipes ti~ri~.e:'n tiLe %ipes aro s'7o~v
<br />t•-;r•e'i,h.cr, alid all of the annul~ir space a.f. fife joint Lr!ust be corapl.etelT fill~.ct.
<br />T:ie 'ci.i.ts shall be troV~rell_ed smooth, oY1 both interior anu. el:ter.:.or suY'faces o'
<br />~.:.
<br />t,!!e ~_~=..?_~~, tiYruout their circu:;>_t'erence.
<br />.l'1. %i,y:)[)lj7"ing trle b1tUTT:~iiOL1S ~O].nt].nz' COIP.pOLrn(~l, ?"LO aU]i1=L:•:`tUl'LS O-t an~,r !i"..nd,
<br />n ' ~~d:3ed t0 Ol 1Ti1'X.'.d ?:riti'1 the CO.Tri'?OU.11Q, T':1.;.'. COTi:-
<br />s ..ch as cerr,t~n~~ or sane, sha1.1 b
<br />p•.:~u.r?:~ s'.a11. be prE,pared or m.i~::ed str~.ctl~ -in accordr~.nc~~ ~xr~.t;h the raa.Iiu._"'uctu.rorls
<br />d-~? eCtZOY15 . t 7'O';~er T~reCu.:I.'tiOn' shall be of elf "t0 prGVEvrlt V~;d:ter, 1:11.101, ,f~l"'''_=,~;h
<br />COT1Ci"P'.t8, OL' Ot'Liu:C fr:)Y'i:i~;rl .`-;?'~~~~t`-).11CP,5 ?~"I:'OTR CQI1a.n< ~nt0 CO1:1't,-}C'i.. J~f_t.t:i t11F'. ~)01.1]'~l.i],'.
<br />COI?'..-t~Ot'.nd ~U::ln~; ~O].nt1n~ O'Jr~rzGl7ri ;_f.~, -;:J'.~L"~)C' ~Oi?=t.5' iillZS~ 'D : dr::' V:Theil tr:e .
<br />col:rpound is a?~;~l.i,.d..
<br />Prcvicus to ~~Fi ng lcr:~:~r=sta. into t1_i: tr~~r_c'-~, each p:i::e ,_ia1. be Garefull.V
<br />1nS~?'BCted and tY.iOSt~'. L?:?t li'2E:i;in`; t'(i.2 51?~St,~]_.L:_eli reCilll"I'Ei!1'',ril.:] Sh~:~ll be E'J.li":e7' de-
<br />S':,rn~ed Or ]_r!a;'t1C?d1at;',f_Jr rG°'.1'")V°('1 f:'r'".... thC:` S7.tE'. O~'~ vi7.e btiQi~cr. t il'~S C12ZTln`" lill_i1U1.^
<br />defeCtS 170-6 S~1:~flClentl;~' L, ::i'10U.;:i v0 C~.tt:~e 1'e~;l_GtiOTl hrl'.1 be .;O .i.u.1(.~ a:> t0 b:~?_ng;
<br />1 -}- ,- ~,~.,1:. ±; `, E.,~,_o r ~ ~ , 1. vaiti7.in ten
<br />such defeC~tS 1:n ti' e •~O~) L a.,_~ O:I• i7. ., .! r . 1',10 'i:ili C S 17._~l i;:E', iii.-LCi.
<br />f.:E]t Of the '.T:aCilirle CYCc1.~-8.t;]r'g tl tY'cTiC'": 111)1" i'z"1'th7.l'1 fOi't~•' f:(a Of an~j pi2.CE
<br />where blast:ir..;:~ _~_s ~::ein~ doi7e.
<br />The trench space each side o:C tale T.)i%:>e, ~.:rld. f'or a distance o' t~,~elv~ i:nchcs
<br />~2 a~~ove t,~7e ~o_~ tYierc,o~:, s1_~1_ ~~ b~,.Gri' _1_~ d i t,.. >.,i~•ar;l.: ~..Ln:. eal~th, slab
<br />or banic sane! and tlLO.r. ol~~:li1T:r cor~(pact~~ci bt~for~: ~~ny bac;kli?..ling by' machinr;rvr is
<br />altoV~~:id.
<br />LTJ.._~, i:)C_i';;SIL L~1t.,l;.LJI:.L.Lv~..
<br />(a) ~zi~:~i.'`~`L.1~i: IYl the COY15tT'U%t10n Of 0.1.18.1 °e'cIE'.r5, 'tile Sa117._tcLr~~ ';tY.lia StOrlrl Se~;'IerS
<br />si.ra.ll bz coLls~.ru.cted as abo'v._ sp.,ciyic=u fo1:' T~~~.L~.~ec:: p:'.p. ~.._LCL corc_',.te pipe-., o:r
<br />as srloln~n on 'the. ~,~lan~;, r'r_ s~.rly~rl.:. , se:-;e ^ t. .17ci7 outsictc i;ne p_-e shall uo colu-
<br />pletely' filled vrith class "Crt ccnG:c~tc:, ~;ai.ti_ a mini?:1L?:n of three inc'r.tes (31i) cif
<br />concrete bt?101:r ti1C. b0%tOtrl Of t'rl.e _ilpe, anct a ~!1n~P.111:'? 0~~~ SJ_;~. ?_T1Ci7(iS (rll) Of COn-
<br />Crete On e:~.r,')'1 .`.i1.0.e O file j)i;,e, fir1Q :%.i~tGY'iU ~_n'_ U?7 't0 thE: l:~Ot~t`.JY!'1 Oi -G~l.e St0?'Tix SF:,,fE.'.:C'•
<br />Tile storm SBw~S:C pipe si1a11 bye i8.7 C! 017 a C:CaCzIE: U_~ Ci::SS IrV rl Ct')nCr'etE', ~iith a
<br />rniniml.Trn of tYlz^ee inches (3") ~_)elo~rr tide bo'ttorn ai: tho i)i;~e, anc?. e:;:tendii:~; up
<br />a.-('ounce. tyre sides of tht= pipe ~~~; ~::h :i ~.:.~:i.ts sho,,~ri on ti;eA plans . I~f tl~e sa_litar~r
<br />or StOI^i?7 seti^rer trE37iC}1 iS .°.1~-Cif."v`.:tc~. O;.'.~'.'.'l; iiY' ;)1~0i?Ct 'ire 11r".'LfS a}-)OVO S~J::C:ii°d,
<br />tle entl.rF, Sp,3Ce SO C::CaVB:GGC) >.i'<i,~.I ~i8 ~'ll~_~~d ~+i'`':C'?. Cl~.i: rr~;rr C0;7G'r8teo
<br />lrl dUc11 SeVdF.-'r COY1utrUCti 017, the S•_'tl`!=~i:~iT' jT anCi :: vOrl'! S..'l`?erS .~.'hal~. be ~_c 1(1 1~1'~.;i)
<br />a hOr ]..7,OYltdl distance of e ~.~•lt inclir:;'s (8") bFtVi?on ":~_ ^ ou+.;=i de.s cf the pipe
<br />Barr e7.s .
<br />The 5e~'rer trench Silu..L1_ be b%:Cii?~_L11F'<l ~°71~i1 l7_iiE) O£'~ ti'L, S~ ti- O`1" barb{: SanC'1. aYl(_
<br />triorougYll~ carnpacted, to a h~i,;ht of°. t~:relve inches (12") .;:bo"cFe tale to.~~ o;' the
<br />storm sewer, be'f'ore and backfillin~r b~;r inaciliner- is allowE;c:~.
<br />In 1:.1.wr.in.r`:; C017Cr C;i:,e cradles or fil~_, the inE;ti'lod.s T.;..~;cu. small be such as to
<br />pretrent mud, ~art11, cla~T or oti-~er foreign Inat~ri als fr.'i):rii becol:_i n~` mi.xed. ~,r_ith the:•
<br />concrete.
<br />In n0 Gc1,Sc Si:a11_ "dry-1T1iX" COn~'J"6te be 'S)_~.Ct=-:.t :t_Y1 the l,re(?Ci1 ?,•'diti'Lnl]t :~Jerm1.S-
<br />sicn of the ~i7.g:ineer.
<br />The Gust of cc;ncrc,tc bedding; or encasc~rlc~nt for du~1_ sel~rers sl'1a1.1 be included
<br />117 ti1B C017tra^.t it ~_~, ~Vi'1Gs3 L :.11d :C'Oi" SG~i7"Ei'S~ anr.~. i~i0 C:.C?~11~~~1.^.•i1~1 COfl'JSnSut10T1 V',P it
<br />be allot~red 'or ti_~_s :i.~t.ern.
<br />-r ,
<br />aG~•.~II,I,I~~a
<br />(a) :,~P?~~;T OI' B:.C:~:E'ILL: The backfllin~: _~ncl,.~:;.c.: .~_:~_ ?;•<<ckfil:Ling, r:z'nYint',
<br />pL1CldllYlg O.r r Ol,."1'L'1~.; c1.8 re~~Llir ed, 'tYle r:~~;T'a C1'~ I"lg O:C ci(~ "~a~~:'l. t d".i_SttlrbE;Ci. areas, the
<br />repl.ucirig; of drains anci other' srirfa.ce and sl:i.~?suri';:~.Ge~s~tr~~.c.;tl.Yres, the placin€; and
<br />m~.inta.ining of tc:mporaz'~r sidey,ral%s and dr~~.v-~~'a;ys, ~''.trn~_sll_,i:£• of suitable baclti-
<br />S - 8
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