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' a. Footings - 3 " min. <br /> b . Slabs - 3 /4 " min . <br /> ' c . Beams and Columns - 1 - 1 /2 " min . <br /> 5 . The Contractor shall properly set all anchors and bolts required for <br /> blocking, equipment, etc . <br /> 6 . The Contractor shall utilize mechanical means for consolidation of concrete <br /> as well as ensure no segregation of materials . <br /> 7 . All concrete driveways shall be cured a minimum of seven (7) days at a <br /> ' minimum temperature of 50 degrees Fahrenheit before any vehicular traffic <br /> is allowed on drives . <br /> ' 8 . Finishing tolerance for floor slabs shall be in accordance with defined <br /> tolerances stipulated in Section 03300 . <br /> 9 , The Contractor shall provide all expansion material , cold joints , control <br /> joints (mechanical or saw-cut) and expansion joints as indicated and <br /> specified on the drawings . <br /> ' 10 . Concrete testing is to be paid for by the Contractor and is to be performed <br /> by an independent testing lab and shall consist of, but is not limited to , the <br /> ' following : <br /> ' a. Slump Test : One test for each load of concrete at the point of <br /> discharge taken out of a wheelbarrow and not out of the chute ; <br /> slump not to exceed 4 " , plus or minus V . <br /> ' b . Compressive Strength Test : Randomly test cylinders taken at each <br /> major pour; footings , floor slabs , columns and tie-beams . Two (2) <br /> specimens are to be tested at seven (7) days and two (2) specimens <br /> ' test at twenty eight (28 ) days . Hold one cylinder for future use if test <br /> does not comply at 28 days . <br /> C , All test results are to be reported , in writing, to the Owner, the <br /> ' Architect, the Contractor and the Concrete Producer on the day tests <br /> are performed . <br /> d. Samples for testing shall be taken at 1 /4 and 3 /4 points of the load <br /> ' discharged from the mixer. <br /> e. If necessary, comply with Architect or Engineer ' s request for <br /> additional cylinders, slump or load test. <br /> ' 11 . Concrete light walkways are to have a ht broom finish . The Contractor shall <br /> g <br /> ' provide saw-cut control joints at 5 ' - 0 " o . c . or at walkway intersections and <br /> when abutting a building slab . The concrete shall be saw-cut within 24 <br /> hours of the pour. The walkway shall be sloped so as to insure no standing <br /> ' water. <br /> 03010 -2 <br />