1957 566 Ordinance - Laserfiche WebLink

Home Browse Search

r .' Designation C 39. The minimu*n compressive strength of concrete at t-~^~~enty-e~igli-~, (28) day`s.s].zall be 3,000 pounds Per square inch. Contractor shall pay all costs for such tests. : The strength tests shall be determined for the purpose of checkin~_; up qualit~% of materials and method of r?i~;ing. Zf' any tests fall l,elo~tr tl,.e star_d^.rd a~greod upon herein as a reasor_able condition of these specifications, tine ln~;i- neer, may at his discretion, order Contractor •to discontinue t11e use of any cement, sand. or stone being used in the concrete and supt~ly other grades of _m__ater~,als ~nrhich, 'in his o}pinion, brill; produce the stanclard strenath as specified above. ~ v 12. LOST: The contract price per sq_ua.re foot for concrete sidewalk must cover all cost for materials, labor, vrater, supervision, machinery and equipment for the completion of concrete side~~ralk in coriforr:~ity vs? th the requirements of this specification and its maintenance and repair anti]. its acceptance. 13. CO>•1CI?F,T~~~ DRI~~:~~IYS: Cor?c~!.°ete driveways sha11 'oo ei-I;hr:.• s1_x or eight inches in tl~icl~.ness, as determinedi by the Engineer, and construr.ted as 1lereinbefore spec- ified for concrete ~~ra.ll:s. lt~. Ria.~DY i.??_X C01~ICRETE: The above specifications are based on the use of "Rea.dy &iix" concrete. The Lnspector z~,rill receive and retain i.:J,l mix tickets. All mix . tickets shall state plainly the proportions and ty=pe of aggregate, The Inspector will reject any batch of concrete that does-not conform to the above specifica- tions. 15. 1!II1'TNG COPICRLTE: It will. be permissible to rnix the concrete at the site of in- stall_a-~ion, providing the Inspector is present and the concrete is mired in a mechanical batch type mixer operated for two minutes at the rate of tr~el.ve -to eighteen -revol.uticns per minute. i~!ixing by hand in a box or on a platforrn ,;d.11 not be permitted and all the ibove specifications pert~.ining to "P~eady l:iix" con- crete shall apply to concrete mixed at site of work. Proportions shall be iden- tical to the "Ready t:~:i:K" concrete as stated above. 16. CrEAI!~,RI~S, RECZI.J_T.Rr:;i:'E1:1S: (a) CAT?,E Or ~STAiS»S: The Contractor s'.~a.1.l.use all. due precautions to protect the stakes of Engineer, and shall prov9_de material and labor for intermediate grades used in carr;Ting the Inspector's ~rrorltiing line. (b) C1~.RE OF '~rORI~: The ~~~ork must be prosecuted and material placed in such manner as to offer the least possible obstructi~m to traffic. Larricacles and red ligh•~r, must be maintained by the Contractor :~~•here ordered by Zl~.spcctor. (c} REST=OIVSIL~T=IT`I: Tn the construction herein specified the v~ror'~nen shall avoid. injury to trees, hr-;d.ges, fences, flat; or of?xer construction previously install~a and s'_nall employ such safeguards a.s may be ordered bar Engineer or Inspector. (d) USL OP ?r~TATER Ia'Ii01~:i CORFO.i3.:",TIOTd T~IATP~.TS: Should the project require tnlater from the corporation mains, for the construction of any ?~rorl: herein specified,, the Contractor shall mare application to the ~'iTator Department and shall conform to all regulations of said Departr~ient govern in the quantity, method of measurement and payment for vrater used. The }~~ermit f'or use of the water must be brought on the vrork and shovm to the Inspector-. (e) COi!q'LETIOPI GF ?:TORIt: Upon the completion of a.ny work the areas adjacent to S"t Z!.