1957 566 Ordinance - Laserfiche WebLink

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fill material if necessary, .reseeding; la~:ms and x•eplacan~; trees anti shrubbery dam~:~Led by Contractor and all appurtenant work incidental tY.ereto* (b) &~C1i1~I~,L i~S~.T ~~,It1L: Only fine earth, slag or bank sand shall be used for baclcfillir~g along the sides of the sevrer, and to a height of twelve inches (]_2") over the top of the sewer. Should, in the opinion of the Tn€;ineer, the mater~_al excavated from the trench be unsuitable for backfa_llin~; immediately ove.~ the scrrrer, the Contractor shall, at his own expense, secure suitable material from other sources. The backfiring material shall be brouht up evenly on bath sides of the sewer and thoroughly compacted by tam~~ing or ranL~:in~• before any dutiznan~; from. cars or buckets is permitted. All baekfilling must be laid in horizontal layers, of a depth required by t;ie Engineer, and thoroughly compacted by rnethod.s satisfactory to the Engineer. ido pieces of rack larger than one (1) cubic foot in volu,ne shall be used in backfill, and all rock particles used in backfill shall be entirrly surrour_ded by fine material. If ordered by the Engineer, the entire trench shall be Huddled by floodin€ with water from a fire hose or conducted along the se;;Ter trench by means of a ditch, excavated fo.r that puxpose, or by <~:.ddJ.tion of ~,vater during--; back- filling. , No backfilling shall be made duran~; freezing; vre~y.ther except by permission of the En€;ineer, and no fill shall ~e made when. the material. already in the trench is frozen, nor shall frozen r~iaterial be used in backfil_ling. (c) S~-1ND B!;CKFILL: tiJher:.~ ordered by the Engineer, the excavated material shall be removed from the site of the vror..c anal bank sand cor_taan~ing not more than ten percent (10;0) by weight of loam or clay and. free f:ccm all delet~ar-i o:zs or ob- jectionable material shall be us4ect for baclcfillin;;. If rea~v.i~°cd, this sand ba.clcfill shall be tho-rou~hly compacted by tatnpin~:• in layers of not more than six inches (6" ), or by flooding, as may be directed by 'tn2 ;~,r~€,ineer. Sand for bacl{- fill, when ordered by the Engineer, ~^rill be n_aid for at the contract price set forth in the proposal. 8. DISPOS~~L Or SiJFtPL~J~~ SXCi~V_,T'" l;i.`i"F.,R.T:~L: l~l.l surplus excavated material shall be removed and de~?osited upon lands abutting the irnprovemcnt if such fill i s requested by the property owners . If no filling; of. a'outtin~:: ~,:~roper-t~ is desired, the Contractor shall dispose of such surplus tivherc:ve-r he can arrange for ri;irts to fill. Uril'411d.i~G; OF in ~1rC11~S The sevrer trench ;;Lest in all cases be 1_ept substantially free from storm, surface and subsoil i~rater or sewage, so that all ,nasorlry grid ioint.s may have ample tame to set and harden. liio ,joints shall be made undFr :rater. If neces- sary to accoz~iplish this, in the o.~~inion of ~t.he rnr°ineer, the Contractor shall_ fill the bottom of the trench v~ritn a three i ~rcl: (3") laver of c.rush:;d s1aF, or stone screenings and install a tilt' nnderdrain, E'.(ii.L+eCLdeC1 on x.7,1_ sides in not less than three inches (3") of crushed slag or s~l;one screen_in~~s. !~11 joints of this drain. shall be covered vrith si:r~~_ps of burla1~ or other cl.o-tYr of proper porosity. This work shall be paid for at the ?rice bid for same only Then in- st~.lled upon the v~ritten order o_f_ t11t; ~nE ineer. X11 manholes shall be built in ~accorclance v:itii co:~structaon plans on file at the office of t~~e Ln~~ineer. `f~ie~; sir.ll be b~_t' J:t of 1_~2" ~: ~." y 3 l~?_" shale brick laid ir_ Portland cei~~.snt r"!or':.~ar zrith br:ic.-tis :;.rrrnE,ed radiall;T as S - g