2004-013.C - Laserfiche WebLink

Home Browse Search

' Be Expansion Joints : ' i . Locate as shown on drawings . 2 . Joints in walkways maximum at 20' o . c . , snap lines and saw-cut 1 /8 " wide by l " deep between expansion joints in equal bays at not over 5 ' o . c . , within 24 hours of concrete placement or until concrete is trafficable with power saw. ' 3 . Joints shall be straight and smooth. They shall have hardened before fresh concrete is deposited against them. ' 4 . One half inch joint where slabs are up against the exterior of masonry walls , unless otherwise detailed . Do not place any expansion material on the inside face of masonry walls where slabs are poured against same walls . 3 . 04 CURING A . Begin curing of concrete as soon as practicable afterlacin but not more than 3 P g hours thereafter. Provide a total wet cure time of 7 days minimum at 50 degrees F minimum temperature . Be Curing of structural members shall begin immediately after removal of forms . r C . Apply curing compounds as specified above, clear for exposed slabs . Compound ' used on floors that are to receive tile or other additional finish shall be compatible with adhesives and finish materials . Apply first coat of curing compound as soon as possible after pouring. ' 3 . 05 FINISHES A . Formed Surfaces 1 . Finishes - Defined : a. Rough Form Finish . Reasonable true to line and place . Tie holes and defects shall be ' patched and fins exceeding 1 /4 " in height shall be chipped off or rubbed off. Otherwise, surfaces may be left with the texture imparted by the forms . b . Smooth Form Finish : The form facing material shall produce a smooth, hard, uniform ' texture on the concrete . It may be plywood, tempered concrete- form-grade hardboard, metal , or other material capable of producing ' the desired finish. The arrangement of the facing material shall be 03300-5