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� <br /> I <br /> I <br /> I <br /> • i SECTION 15050 -BASIC MATERIALS AND METHODS <br /> ' PART 1 - GENERAL <br /> � <br /> � <br /> 1.1 WORK INCLUDED <br /> i A. This section includes requirements for basic materials and methods <br /> I applicable to work under Division 15 including: <br /> 1. V-Belt Drives. <br /> 2. Access Panels. <br /> 3. Foundations, Pads and Fastening to Structures � <br /> , 4. Curbs <br /> � <br /> 1.2 SUBMITTALS i <br /> � <br /> � A. Submit at Project Completion: Maintenance data: include data in <br /> ' the Operation and Maintenance Manuals. <br /> • � <br /> � PART 2�-PRODUCTS <br /> I 2:1 V-BELT DRIVES <br /> i A. Provide a11 belt driven fan drives with V-belts rated for 150% of <br /> nameplate motor horsepower. Provide adjustable pitch motor <br /> � sheaves for motor sizes through 20 hp. For motor sizes 25 hp and <br /> larger,provide fixed pitch motor shea�es after balancing to within <br /> plus 5% of design air quantity. Select motor sheaves so centerline <br /> does not extend past end of motor shaft and such that motor � <br /> ; bearing b ease fitting and relief port is not obstructed. <br /> I <br /> � B. Provide belt guards for all belt driven equipment. Provide <br /> ' expanded metal cover with access to driven shaft for tachometer. <br /> 2s2 FOUNDATIONS AND PADS � <br /> � A. Provide foundations,pads, and bases for equipment where shown. <br /> Concrete shall be in accordance with concrete division of <br /> specification. <br /> • <br /> � ICT 99184 <br /> I � 15050 - 1 <br /> � i <br /> I <br /> � i <br />