1.) Concrete Slab Preparation: (Sheds and Porches) Earth where Slab is to be poured shall be cut out a minimum of 8” below finished grade of concrete slab. The existing earth at sub level shall be tamped for optimum compaction to prevent settling and movement. Once compaction is complete, 4” of compacted gravel is to be installed with a minimum 6 mil clear poly to be installed on top of stone. 2.) Reinforcement: Six-inch Welded Wire Fabric is to be installed and placed on 2” chairs to hold wire in the center of the poured slab. Asphalt Fiber Expansion joints shall be installed where slab meets foundation vertical walls. 3.) Concrete Slab: Concrete shall be 4” thick of a standard premixed material with a minimum 2500 psi rating and a fiber reinforcing. In cold temperatures, protect newly poured concrete sidewalks from freezing for at least five days after placement. No antifreeze additives shall be used. In warm temperatures, wet curing or the application of a liquid membrane-form curing compound is needed to retain adequate moisture in the concrete while its strength is developing. Asphalt Fiber Expansion joints will be installed where daily pour ends, and a new day pour begins. No antifreeze additives shall be used. 4.) Finishes: All porches and walkways shall have a broom finish and 3” border troweling. Control Joints are to be installed every 12’ on walkways and wherever necessary otherwise.
