6110 HIGHWAY PL 2016-01-01 MF Import

CMi ..� At jointa, a suitable lpn6 handle split fToat of design satie- factnrY ta the 1Yater Superintendent� notched in the center to allow for'the expansion 3oint filler, shall be worked at right angles to the joint to insure that the concrete on both sides of the �oint is at the same elevation. Be�inning at the center of the sla.b and working to- ward each edge the surplus concrete left by the strike board shall be strept off, producind a uniform surface on roth sides of the joint. 48a--Wood Joint Fillers: When 2� v slabs a.re laid, temporary wood joint fillrra. accurately made to confoxm to the size of joinLe shown on drawings. of suitable good lumber, shali be placed at the joints. Especlal care shall be taken so no cement geta between thie wood filler and the concrete in place. Concrete shail be laid againat thie filler. As soon as Conorete hae become eufficiently hard. this filier ahall De lifted out� andany defeote in the concrete face remedied, and any ooncrete under neath the filler removed. and the filler lightly replaced� and left in place until auch tirne as the a�phalt �oint is poured. These wood jointi fillera will be paid for at tYie rate bid per lineal foot of "Fxpansion Joint" completc in plac e. q9,-_CURING AND PAOTECTDON: The aurSace of the slabs ehall be spraygd with water as soon as i;he concrete ia aufficiently hardened to prevent pitting� and shall be kept continuoFfsly wet for at least ten (10) days. As soon as the Con- crete ie eufficiently hardened, canvas or burlap shall be laid on it, and remain there and be kept continuouaTy v�et, until an approved covering is placed or ponding. or mech.anical spraying has been estab- lished. Farth covering wi22 not be peratitted. �5hen deemed necessary or advisable by the Water Superintendent,'freshly laid concrete ahall be protected by manvas until elab can be sprinkled: The canvas not being laid on the conereter but sha11 be supported over the concreteby light portable fraraes. In order to protect the conerete as specif ied herein. the Contract- or ahall provide svith eaCtt and every mixer on the job, a suffict�tt ameunt of canvas or burlap to cover fi£ty (50) per cent oS the slaba laid 1n any one maximwn day. The canvas or burlap shall be made up in sheets sufficiently large for one'sheet to fullyr cover a whole slab. This canvas or burlap shall be re�erved exclusively for the protection of the slatis; and all canvas for tlie protec�t ion of cement piles, ete. s:�all be in addiL3on to the amoun� specified above. 22,