6110 HIGHWAY PL 2016-01-01 MF Import

�. � Above template and method shall be used �arhere rodding is done off of timber forms� Where roddin� ha:, to be done off of the concrete in place, rodding will 3ot be allor�ed to be done off of the concrete direct, but nust be done off of tvro inch or three inch dressed planks, laid on top of the concrete and held firmly in place. � template of the same depth belotiv the top of the planks as the thickness of tne planks, and half a foot shorter than the width of the slab shall be ixi�ai. used, The planks shall then be removed, and the �urface struc�c off ivitr. a sa�•�ing motion, by a second template res$ing on the concre e. After the cancrete has been struck off it shall be rolled twic:e or ae often as requiTed by the ','ater Superintendent• with intervals o•P from five to fifteen minutes betti�een rolllings. �vith a light sheet steE.l roller ten (10) inches in di��meter and five (5) feet long •;,eighins approximai;ely 75 pounds. Before the surface of tY.e conerete '�as compietely hardened� it ehall be thoroughly floated ��rith a lon� handled �vooden float, a� li�ht finishing bcard sha,ll be moved over it a sufficient number of times to produce a amooth uniform surface, free. from lumps and depressions. Finishing shall be done from suitzble bridges, �o parts of z•8iich shall :ome in contact with the concrete. The finished surface of the slab shall not vary more than one- quarter (,-;) inch from the true shape. :�11 edges and ends of the slabs a: the joints shall '� rounded to a one-fourth (�-) inch radiue. Tt ic of prime im::�ortance for water-ti�ht alabs th�t the 81ni;,hing be acie in a thoroughly worlm�anlike manner, and eontraetor shall ta:ce especial pains to see that only first class, thoroughly comepetent finishers are einployed, and shall at once� on reque3t of the �`7ater Superintendent replace any finishers not satisfactory to �he �".'ater Superintendent. 21a