1963 825 Ordinance - Laserfiche WebLink

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Full specified thickness or greater 1C~0 0, U:2 inches or less below specified thickness 1001 0.3 i;o 0.21 inches beloxr specified thickness 90 0.1.x. to 031 inches belovr specified thickness g7 0~~ 'to 0.11 inches belovr specified thickness 81~i~ 0,6 to ~.~1 inches belovr specified thickness $l G.,'j to O.c~l inches belovr specified thicl~ne5s _ 78~ 0.~ to 0.71 inches below specified thickness ?5 0.9 to 0.81 inches belovr specified thickness 72i~ 1.0 -to 0.91 inches below specified thickness low Those areas cf concrete p~~vement vlZich are found to be more than one ~~_ inch be7_ojrr the full specified thickness ~^aill be cl~.ssed as defective <.nd ~~•il1 not be accepted or paid for. The veighted <:~verage ti!ic'::ness of the concrete pavement used a.s a ba.^:is for the price -to be paid shall be tl~e «Trer ge thi_cl~ness of the core, drilled from the concrete, weighted in proportion t;e the a.r. e:~ bounded bet ~°~reen lines dr : a~ni at right angles to the center of the road;*ay and at a no:~nt 'r._!lf ~va;~ betvreen.. a.ry t-°Jo consecutive cores. Cores vrill be taken from tl~!e pavement so a.s .o be i n ~l~e a;apro ~imate cP ~.i erg of areas of about 500 square yards, but not less the n three cores ~'~i.ll be ':~LC.:'_ from the pavement b~~._ilt under any one contract. Should any core sl-lo~Fr a cleficienc~r. of rtcre th^.n 0.5 inch l;elrn;r tl~e spe~~_f~.Fd thickness, a_n additional core vrill. be drilled from the concrets 'rT7_thii-! tf;z i :~ C) feet o:f the deficient core upon a v:~~i-tten request i'rom the ContrG~+,,or beiizg ii .:~-'d in each case. The original core z~ri11 be discarded and the second core substi- tuted in the computing of the ~~rei_ghted average. Should any coy°e shoti~~ a cieficienc~r of ~:~ore than one (1) inch belovr -ch.e specified thickness; additicnal cores y°rill be ta'.ccn five (~) feet on eithEr~ si:iF of this location. .1f both of these cores are ~~rithin the one-inc'_~ tolerance, r~~• further special borings for this indivic',-ual zone or. deficiency v~:Ti1l be made. ?.f either' one or both of the a.ddit>i_onal cores are not ~Prithin the one (1) inch tol••• erance, the procedure ~vi1l be to cut cores in the followint order; 2~ feet, ,0 feet, 100 feet, the same to be !neasured from t?-!e location or: the original core found to be deficient in thickness, then at one hundred (100) foot intervals until a thic'.•eness vrithin the one (1) inch toler~--.nee is :foutld in both cJ-irectioz~.s. In coml~•uti_n`:, the rrei~'rted average t'~ilCli-r]esS, all cores vrhich me::.sur. e mor:: than 1/2 inch greater th~.~;! ti_:e specified thic'~ness shall be counted as the specified thicl_cness plats ;_/2 inch. The cares required to determine the :racightec.i average thic'_sness; as above specified, shall be !Wade bg a .reputable laboratory selected btr the Engineer, and all costs for this vrorlt Yaust be included by the Contractor ir_ tl~e price bic. per square yard of concrete p~~vemc:nt. 3. ST1~'IJL FtEIidl'ORCf~::.Et~~T : The stool rei.~fcrcement shall be of the open ;nesl~ tie vrelded vri_re fabric m~~nufactured for concrete r•cin='c_rcement, vrith the cross ties firmly vre7_ded to the longitudinal ti;rires, and meeting, the re uire?nests of the ' Standard Specifications for 'Welded Steel '=~`ire Fabric for Concrete P~einforcement, ~I.S.T.I_. Designation ~ 1S5. 'This !resh ?-!ust ~rreigh at least 5~ pounds per hundred squ~~re feet. Tt sha.ll be thoroughly cleaned of rai.?_1 rust and scale and of coatings that ~^rill destroy or reduce t'r.e bond. It sha.~.l be cut into sections, flattened and have alit bends a.nd bucl{les s!uoothed out before plac?_n~; it in the concrete base. Successive sheets of mesh must be overlapped at least one-half (1/2) the distance betz^reen :~rires. The ~Tidtr. and lentth of reinforcecient shall clear the edge cf the concrete slab and all contraction :ancl e,cpansi.on joints by CP-8