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1 <br />C <br />1 <br />H. Spare ducts shall be plugged and sealed watertight at all pullboxes. <br />I. Ducts in use shall be sealed watertight at all pullboxes. Sealant shall be foam <br />type. <br />J. All joints shall be made so as to prevent the passage of concrete inside the <br />conduit to form obstructions or cause cable abrasions. <br />K. Pullbox covers in all areas shall finish 3- inches above crown of adjacent round <br />elevation. <br />L. A 5/8 -inch by 10 -foot copperclad ground rod shall be driven in the bottom of <br />each pullbox. All bond wires and pullbox cover shall be bonded to the ground <br />rod. <br />PART 3 - EXECUTION <br />3.01 CONDUIT INSTALLATION <br />A. Where conduits enter or leave all outlet boxes, cabinets safety switches, tap <br />boxes, motor controllers, etc., other than those having threaded hubs, a <br />standard lock nut shall be used on the outside of the box. Busings 1 -inch and <br />larger shall be of an approved insulated type. <br />B. During construction, all installed raceways shall be temporarily plugged or <br />otherwise protected from the entrance of moisture, dirt, trash, plaster, <br />moisture, etc., through neglect of the CONTRACTOR to so protect them, shall <br />be replaced by the CONTRACTOR without additional expense to the Owner. <br />No kinked, clogged or deformed raceways will be permitted on the job. <br />Raceways shall be cut to proper length so that ends will fit accurately in the <br />outlets. Where raceways cross building expansion joints, a suitable raceway <br />expansion fitting shall be used. <br />C. Size of raceway shall not be less than NEC requirements, but in no case shall <br />be less than indicated on the Drawings. Combining of circuits, other than <br />detailed, will not be permitted. The CONTRACTOR shall install larger size <br />raceways than detailed where there is excessive length of unbroken run or <br />excessive number of bends. <br />D. Bends in metallic raceways shall be made while "cold" and in no case shall the <br />raceways be heated. Raceways shall not be bent through more than 900. The <br />radius of bends shall not be less than six (6) times the internal diameter of the <br />raceway. Not more than four (4) (equivalent 900) bends will be permitted <br />between outlets, the bends at the outlets being counted. <br />07/03 16050 -9 03- 4138.A <br />