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OW pace 2 of 10 Basis of paym:nt for pipe shall be on t%le lineal foot basis for egnh type, si:e and dertn brac-•et as in,11egted on the proposal. All messur9ments will be along the ce•iterline of the pl;a and from center to center of nanhole or aprurtenent structure. Depth bracket will be nensured from tree Around line to the pipe invert. 3. Manholes - Precast manholes shall re of reinforce•i concrete, as naniifnct,irP 4 by CreteT Company, or approved ea,iRl, fvr- nished with rurber caskets and re-cnRt hale. See detailed ,fti plates. Basis of pavment for manholes will be a manhole Item and manhol , over epth. :;anhole ct;stines shall be Neenah R-1642B with n-inchined bearing surfaces with two conceRled c ic', holes, or equal, with SANI'MRY SEER stamped on the cover. 4. Sewer ;.service Connection - I~ 'hall 'he the duty of the con- tractor to keep a record of newer service :rye locations with respect to the neRrent. •iownstreRm manhole, but the r Envineer will record ties on the en! of all sewer services at the property line. '-tihe,, installinz sewer services the contractor shall, before bac',,filling, contact the engineer or his representative, and Rssist him in making* ties to the end of tie_Fervice in the open trench. At least two ties shall he TRIe for each service, and if bncvfllling proceeds before such ties are --qde, the contractor shall r.. dip up the ent of all such services, with no adlitional compensation, for t'ie purpose of making ties. Recorded with the ties s".all be sire ad depth of service. During backfil,ina the contractor shall furnish And place a vertical 2 inch by 2 inch wooden Ftave set fl;iRh with ,. finishei around surface, and extending down to the end of the sewer service. The contractor shall construct 4 inc!, cast iron soil oi.pe (C.I.S.i-.) house services as shown on plate S3-1, and shall extend such house c-)nnectlons to the property line. All house connections shall ?se capped by an air tioht rtotper, firmly set in p19ce to prevent any water entering t-ie serer until the connection 13 pl^eed in service And fastened or braced to per -.it Rir testing of the pipe. The contractor shall provide the necessar, woes, tees, a^,d bends to bring the service to the proper cln-e sit the �ro- "' porty line. "A" Service Connections are to be constructed where shown in t",e plans at all coin's where the depth of a-ver over the top of the pipe is less than 12 feet or as determinel by the Inspector. JPe detail F10ites. Type "B" Serv' r`onnect o are to be constr�ictel where s,)own n the ans s all pi'r`s who!-e the ieuth of cover over the to,, 3f the pipe it twely- (12) feet or -ore or as determined ?Nv the In.soect..or. See detail pll'es.