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3-inch 2-inch 1-1/2 inch 1 inch 6. Clean and roughen to ¼” amplitude all concrete surfaces against which new concrete is to be placed.7. Provide sleeves for plumbing and electrical openings in concrete before placing. Do not cut reinforcing which may conflict. Notify the Civil Engineer in advance of conditions not shown 8. Pipes larger than 1-1/2” diameter shall not embedded in structural concrete except where specifically approved by the Civil Engineer. Pipes shall not displace or interrupt reinforcing bars, space embedded pipes and sleeves at a minimum of 3 diameters 9. Drypack shall be 1:3 cement sand mix. A. Concrete poured against and permanently exposed to earth B. Concrete exposed to earth or weather C. Concrete not exposed to weather or in contact w/ ground No. 6 through No. 18 No. 5 Bar, W31or D31 Wire & smaller 3. Special inspection by a certified inspector shall be provided for structural concrete when the structural design is based on f’c in excess of 2500 psi or where a special hazard exists per a local ordinance.4. Cement for concrete. Mortar, and grout shall be Type V conforming to ASTM C-150. Aggregates shall conform to ASTM C-33 and shall not exceed 1” in size. 5. The engineer shall approve location of all construction joints. 3. Reinforcing shown continuous shall be lapped 40 bar diameters (24” minimum) in concrete, unless noted otherwise. 4. Reinforcing shall have the following minimum cover: 5. Welded wire mesh shall conform to ASTM A-185. Lap one full mesh plus 2” at splice. REINFORCING STEEL: 10. All anchor bolts, dowels and other inserts shall be placed before poring concrete. 1. All detailing, erection, and fabrication of reinforcing and accessories shall conform to the Manual of Standard Practice of the Concrete Reinforcing Steel Institute. 2. Reinforcing steel shall conform to ASTM A-615, Grade 60. Deformations shall be in accordance with ASTM A-370. 3 1311 N Towner St 9/24/2024