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i <br /> A. Cut, channel, chase, and drill floors,walls,partitions, ceilings, and � <br /> other surfaces necessary for mecha�ical installations. Perform <br /> cutting by skilled mechanics of trades involved. � <br /> B. Repair cut surfaces to match adjacent surfaces. ; <br /> I <br /> 3.3 ERECTION OF METAL SUPPORTS AND ANCHORAGE � <br /> � <br /> A. Cut, fit, and place miscellaneous metal supports accurately in <br /> location, alignment, and elevation to support and anchor <br /> mechanical materials and equipment. I <br /> i <br /> B. Field Welding: Comply with AWS D1.1, "Structural Welding <br /> Code--Steel." <br /> 3.4 CONCRETE BASES I <br /> I <br /> A. Construct concrete bases of dimensions indicated, but not lesslthan <br /> 4 inches (100 mm) larger in both directions than supported unit. <br /> Follow supported equipment manufacturer's setting templates�for <br /> anchor bolt and tie locations. Use 3000-psig (20.7-MPa), 28-(iay <br /> compressive-strength concrete and reinforcement as specified lin <br /> Division 3 Section "Cast-in-Place Concrete." � • <br /> � <br /> � <br /> END OF SECTION <br /> . <br /> ICT 99184 I <br /> 15050 -4 ' <br />� � <br /> � <br /> i <br /> I <br />