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pavement: The finished surface of the concrete shall r_ot var~ Trore than l/~~
<br />inch from the specified contour... Iri rainy z,reather the concrete small be pro-
<br />tected as soon as it is finished with ca.nvas..supported above t11e surface of the
<br />pa.vernent . .
<br />,~s soon as the concrete has hardened sufficiently the edges ,_of the long:~.--
<br />tudinal, construction and expansion joints shaJ_l be carefully ~~:inished ~~,r1th are
<br />edging tool having a radius of 1/!~ inch except •:~s othervri se directed.
<br />(m) 13ROOP; FIPdISIi: ~!,.fter edging the joir..ts h.as 'seen completed and., before toner°+•
<br />h2.s had its initial set, the surface of the p~~vement sha11 be river. a 'oroom
<br />finish. The broom shall be of an a;.~proved. t;rr~e, not 1_ess than 1° inches in
<br />°ridth of fiber or flat v,ire not more t'_r~r_ > ?_nches in length. The stro'.ces shall
<br />be from center to edte of slabs one stroke per ~~.ndth of broom; ?,rith adjacent
<br />strokes slightly ove-rla.pped, The broom shill be oper.~,ted so as not to tear the
<br />concrete as to produce regular carru~ati.ori not over 1/o inches in depth.
<br />The surface of: the concrete, 'fter comyoleti.on of the brooming, shall be
<br />unif'or!n in appearance z?.nd shall lie to t•he specified ~ra.de, elevation and con~auro
<br />It shall be free from surplus vrr~ter•, rough o.r porotts~ spots, irre~ularitias or
<br />depressions anti any objectionable features resultinzr from the operation of the
<br />broom.
<br />(n) SUiLrAC~ G.1UGI'r: The top surface of concrete pavement must conforrn ~;vith a
<br />template having the camber s}~ot~~.m on cross section plan for improvernen-t; the
<br />template must be set ,,^rith r•fe:rence to forms or curbs 2nd be supported upoiz t.~nm
<br />while in use. The setting' of s?.tborade a.nd surf^.ce templates mast be checked br
<br />stakin" gutters, center of pavement and intextmedia:ce points every 2 feet for
<br />concrete depth, using curb or form for grade and placing stalres to indicate fuJ.l
<br />tl~:i.ckness of concrete.
<br />The iinisnc.d. surface o~. the concre .,e p.... remen~,. s'_~.. w not ~ rl ore than 1, ~.
<br />inch from the specified contour r:or more ',;hap 1/~. inch t~,rher. tested v,~ i•Lh ~~. ten
<br />foot straight edge laid ~araa.le]. to the center line of ;r~~iver!lenfi,. J.rre.~ula.rities
<br />er,.ceed~in.g 1/t~ inch shall be immedi~.tely cor.•rc:cted. X11 depressions or pro-
<br />jections discovered shall be corrected ber"".ore inita_al set has c;.eve~.opec}. in the
<br />concrete.
<br />(o) HAND iiIPIISHIV'G: '?:ihen sped; ica17_y permitted b~;- the '~_ng;_neer, -the concrete
<br />p~~.vement m~~.y be finished and brought to the ~~?roper cro~o•~^: and g-ra.de br the use cf
<br />a strike-board or template. Zm~edic~t~ly after the concrete is pl~~.cecA it shall_
<br />be thorou~hl~r consoliu2.ted bar ramming, using; iron f,~CCd. tanners of a..,~prol.im4t=_;~~
<br />36 square inches in sttri'ace area and ti~~Je~ighinr• not leS~3 than ~;.0 pounds. The co~.-
<br />crete shall then be finished ant, concrete tho.rou; hly ro~:lpacted bar tamiin, ~•rith. a
<br />heav~l, steel-shod ,~TOOd.ei1 ter~ipla.te a.nd the entire surface shall be ~:,ror1Le~'. over
<br />until a. uniform consolidation is obtained... ~"~.f~t• r the co~~pact:ing of the concrete
<br />ha.s been completed, the striking template shall be oiler^ ted fort,ra.rd tyrit'r~ a com-
<br />bined longitudinal ,:end transverse motion, without rn.ising o-i t'_ler end o.ff the
<br />ti ide forms, producing an eve?1 surface true to lire a,.7d ;r. adc:. The surface s:~all
<br />then be finished as specified above tard.er (ri) groom %~ i.nish.
<br />(p) CU~.II~IG: Within one hour after concrete 'ras bear. tamped and gua~;ed for cross
<br />section and longitudinally the Contr2r_.tor. shall cc~-er surface yn_th heav-J burlap
<br />or canvas a.nd keep suoh pro elective: covering; in place a:ncl l~,ell moistened for at
<br />least 2~. hours . The co:r?crete sur. face s_1~.11 be lce~-t damp by- spraying; ~~rith l~rater
<br />after ~ :00 I'. i::, each da~r .for one t~leelc after the concrete h~?s been laid. r'ornoon
<br />spraying tri11 be ordered for i;he first three (3} days iY' i-t is hot and drzj. PJo
<br />traffic shall be; permitted upon sux•f~~.ce of concrete ~~<.ver.~ent for seven (7) days
<br />a.fte.r base has been laid. The Contractor. mast :na:in-ta.in su i_tabTe and adequate
<br />CP-G
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