1957 566 Ordinance - Laserfiche WebLink

Home Browse Search

headers, f orminr ~ a vrall nine inc;iles (9") thi ck . In deep manholes t11e waJ_1 sl1aJ..1_ be thirteen inches (13") t11ic1: below a point twelve feet (12') from the surface:. x:11 brick composing manholes shall be laid in full mortar beds with no mortar joint appearing; on the inner surface of the. manhole exceeding three-eighths inches (3/8-') thick. The top of the walls of manholes shall be properly levelled off vrith mortar. so as to form a flat surface upon which the cast iron manhole ring; is to rest «.nd the manhole shall be carried to proper height above sewer. The erltire outer surface of manholes shall be plastered z~rith a smooth coat- ing of Portland cement morta~~ at least one-half ii'1ch (1/2") in thickness. The Contractor shall furnish and set in mortar, upon the top of each man- hole, a cast iron manhole ring:;; and cover, ventilated or solid as required, cir- cular in form and cast with the vrord "sewer" in raised letters. Unless other- 1~LrJ_SC; specified, or shotinrn on tl~!e p1~~ns, the desig:;r., dimensions and ~rreit;ht of the manholes ring; and cover shall conform vrith the standard plans on file in the office of the I_,n~;ineer. Cast iron steps, as specif i e1 in section 1-(;n) above, shall be built into each manhole and shall be cont~i.nued do~~arnvard along:; the interior side of the man- hole to a level three feet (3') above t11e bottor!. o.f the sc,ver. Sa.i_d step; shall be built into the brick ~~vork in a manner sata_si:.zctory t0 the Engineer and shall be spaced no't more than. fifteen inc~_es (15") apart.. 11. DROP Y~-irllrljOl,'~S : ti~lZere shoVnl on the plans drop man..i.oles Of the; desi~~n shovrn shall. be con- structed. Drops shall. be encased. in concrete to tl!e full di?nensi ons shovrn anti tine cost of such concrete encasement shall be incL~.ded iii t11e contract unit price for the manhole, complete in p7_ace. 12. CATCHBaSTIVS: Catchbasins shall b~; bv.:ilt in accordance vr.'Etri t11e ~'aans ?'or sal;:c oi-1 £i1.e i n the office of the 1<;ng;z.neer . Bricl~ used i n Constr~..cti Izg the,,: sha~.l be o.f shale as specified for manholes. Unless Otl"ler':'d1Se S~~C~Clfled, Or S110V'rn 011 tile'. ~7~_d't1S, tiE' C{eSl~';7:, diIilE3nS1011S a.nd weight of. catchbasi.n covers sha1._i_ conforn: with i;he standard plans on f11e in the Or'f1Ce O:L the ~~ng,ineer. T11e Catchbasins and connections shul_1 be cleariecl out l;efore final accer_tance of file work. The Contractor s':~G11 test the catch~,-~sin ~,a~_ti~ ~~-ester ~~rhen so dir. ect::d by the i,;n~;ineer. 13. h11~ ~,^1S: lr_lets shall be buiZ_t i_n accordance vrith the sta.nd~!.rd. elan on f~i.le in the office of tl~e rnt:•ineer. The cover s~lal.l be th~~ sar;le :~s i7sed or. catciioasin, unless other~rrise speci.fieci. 14 . t~UL~HL;A:i)S I3u11:heads s1~a11 be Constructod~ by tl"1e Con~tr;_~c•.tor ut, suc_T location;, along the sewers as ,`:'-110~1d11 on conscx'~.LCt:l.on ~lai~s'. Tlle~,~ s'rzall be built of brick irlasonry, 9" thick, unless othe.r•~,~i.se si ~ Ciriod. Cement r:!OI'tar LlSeC1 ].n b"t°~il; 1C illli.SO:ri:C;~', St011" 'Il2.Sl)T'17'~%, 1(~uTIC':Yt ~ OnS anCl. all Lll7derg~Y'Ollnd COT1St?'L1Ct7.OY1, 'l1"Ll'a`i C1thF_'.ll!1S':9 SY)E;C"l.Zi_:(1, g?all be composed of One (1) p!rt Po:ctland cein`:ri~t aT!.d three (3) ;arts ~~a7c'••.. ..:~rt<:Er f'or ~~rou.ti.n~; sl"ial.l be S - 10