Admin Order 53-17-01-F - Laserfiche WebLink

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7.1.1.2. For foundation concrete when the structural design is based on a f no greater than 2500 psi. 7.1.1.3. Nonstructural slabs on grade, including prestressed slabs on grade when effective prestress in concrete is less than 150 pounds per square inch. 7.1.1.4. Site work concrete fully supported on earth and concrete where no special hazard exists. 7.1.2. Bolts Installed in Concrete: During installation of bolts and placing of concrete around such bolts when stress increases permitted by Footnote No. 5 of Table No. 26-E or Section 2624(b) of the Building Code are utilized. 7.1.3. Special Moment -Resisting Concrete Frames: As required by Section 26250) of the Building Code. 7.1.4. Reinforcing Steel and Prestressing Steel Tendons: 7.1.4.1. During all stressing and grouting of prestressed concrete. 7.1.4.2. During placing of reinforcing steel, placing of tendons and prestressing steel for all concrete required to have special inspection by R- 8.005 -B-7.1.1. above. Exceptions: The special inspector need not be present continuously during placing of reinforcing steel and prestressing tendons, provided the special inspector has inspected for conformance with the approved plans, prior to the closing of forms or the delivery of concrete to the job site. 7.1.5. Welding: 7.1.5.1. Special Moment -Resisting Steel Frames: As required by Section 2722(k) of the Building Code. steel. 7.1.5.2. All structural welding, including welding of reinforcing Exceptions: 7.1.5.2.1. When welding is done in an approved fabricator's shop. 7.1.5.2.2. When. approved by the Building Official, single pass fillet welds when stressed to less than 50 percent of allowable Administrative Order - Page 25 of 40