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A . All other materials , not specifically described but required for proper completion of <br /> concrete formwork, shall be as selected by the Contractor subject to the advance <br /> approval of the Engineer. <br /> PART 3 - EXECUTION <br /> 3 . 01 SURFACE CONDITIONS <br /> A . Inspection and Soil Treatment : <br /> 1 . Prior to all work of this section, carefully inspect the installed work of all <br /> other trades and verify that all such work is completed to the point where <br /> this installation may properly commence . <br /> 2. Verify that forms may be constructed in accordance with all pertinent codes <br /> and regulations , the referenced standards, and the original design. <br /> 3 . Treat underlying soil to prevent vegetation growth and insect infestation. <br /> 3 . 02 CONSTRUCTION OF FORMS <br /> A. General : <br /> 1 . Construct all required forms to be substantial, sufficiently tight to prevent <br /> leakage of mortar, and able to withstand pressures without excessive <br /> deflection when filled with wet concrete . <br /> B . Embedded Items : <br /> 1 . Set all required steel frames , angles , grilles, bolts, inserts , and other such <br /> items required to be anchored in the concrete before the concrete is placed . <br /> C . Bracing : <br /> 1 . Properly brace and tie the forms together so as to maintain position and <br /> shape and to ensure safety to personnel . <br /> 2 . Construct all bracing and supporting members of amply size and strength to <br /> safely carry, without excessive deflection, all dead and live loads to which <br /> they may be subjected . <br /> 3 . Space the forms the proper distance apart and securely tie them together, <br /> using metal spreader ties that vie positive tieing and accurate spreading <br /> 3 . 03 RE-USE OF FORMS <br /> 03100 -2 <br />