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B. Hot Weather: <br /> 1. Apply recommendations of ACI 305. <br /> 2. Employ suitable means to prevent too rapid drying. Shade fresh concrete as soon as possible without marring <br /> surface. <br /> ' C. Wet Weather: Unless adequate protection is provided,do not place concrete in rain,sleet or snow. <br /> 3.02 INSTALLATION OF EMBEDDED ITEMS <br /> A. Coordinate the installation of all required inserts prior placing reinforcing steel. <br /> B. Coordination with other Trades: <br /> 1. Include installation of anchors,sleeves,tiles,angles,etc.,furnished by contractors responsible for the facilities <br /> to be attached to these devices. Leave openings for pipes, ducts, etc., required for the ventilation, heating, <br /> electrical and plumbing work. Provide concrete pads for outside pipes and utilities as required. Notify all <br /> trades concerned with sleeves,inserts,etc.,to check their work before concrete is placed. <br /> 2. Embed no pipes other than electrical conduit and snow melting pipes in any structural concrete. Provide <br /> sleeves or holes for pipes passing through footings,foundations,beams and slabs. Refer to ACI 318-83. <br /> 3.03 INSPECTION <br /> A. Assure than excavation and form work are complete.Remove snow,ice and excess water. <br /> B. Check that reinforcement is secured in place. <br /> C. Verify that expansion joint material,anchors,and other embedded items are secured in position. <br /> 3.04 PREPARATION <br /> A. Lay vapor barrier below sand cushion for all interior slabs on grade. <br /> B. Lap joints minimum 6 inches and seal with sheathing tape. <br /> 3.05 INSTALLATION <br /> A. Placing Concrete: (ACI 304"Guide for Measuring,Mixing,Transporting and Placing Concrete"). <br /> 1. Convey concrete from mixer to final position by method which will prevent separation or loss of material. <br /> 1 2. Maximum height of concrete free fall 48". <br /> 3. Regulate rate of placement so concrete remains plastic and flows into position. <br /> 4. Deposit concrete in continuous operation until panel or section is completed. <br /> 5. Place concrete in horizontal layers 18 in.maximum thickness. <br /> 6. Do not vibrate forms or reinforcement. <br /> 03300-7 No.99132-CP2 <br />