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DONNELLY ENGINEERING ELECTRICAL C. Floor Penetrations In Block: PVC may also be used for penetrations of floor into concrete block or hollow walls up to first outlet box provided outlet box is at a maximum height of 48 inches above finished floor. D. Joints: PVC joints shall be solvent welded. Threads shall not be permitted on PVC conduit and fittings, except for rigid steel to PVC couplings. Installation of PVC conduit shall be in accordance with manufacturer's recommendations. E. Ground Conductor Installation: All individual bare copper ground conductors (i.e. service, transformer, or lightning protection grounds) shall be installed in PVC conduit. F. Support: PVC conduit shall not be used to support fixture or equipment. G. Bends: Field bends shall be made with an approved hotbox. Heating with flame and hand held dryers are prohibited PART 3 -EXECUTION 3.1 IDENTIFICATION OF BOXES A. Tags: During installation of pull strings all pull strings shall be marked with vinyl tags indicating where the opposite end may be found. B. Boxes: Provide fixed label on boxes indicating circuit, panel and use of box eg. "power 120V, lighting 120V". Refer to identification specification section 3.2 BLANK PLATES A. Plates: Unless otherwise noted all outlet boxes shall receive blank plates matching the finish of plates on electrical devices in the same room. 3.3 RACEWAY INSTALLATION A. Support: All raceways shall be run in a neat and workmanlike manner and shall be properly supported and in accordance with the latest edition of the NEC. Supporting conduit and boxes with wire is not acceptable. Exposed raceways where allowed, shall be supported with clamp fasteners with toggle bolt on hollow walls, and with lead expansion shields on masonry. All conduits shall be securely fastened in place with at least one support per eight foot section. Support within one foot of changes in direction. All required hangers, supports and fastenings shall be provided at each elbow and at no more than one foot from the end of each straight run terminating at a box or cabinet. The use of perforated iron for supporting conduits shall not be permitted. The required strength of the supporting equipment and size and type of anchors shall be based on the combined weight of conduit, hanger and cables. Horizontal and vertical conduit runs may be supported by one-hole malleable straps, clamp-backs, or other accepted devices with suitable bolts, expansion shields (where needed) or beam-clamps for mounting to building structure or special brackets. B. Hanger Installation: Where 2 or more conduits 1 inch or larger run parallel trapeze hangers may be used consisting of concrete inserts, threaded solid rods, washers, nuts and galvanized "L" angle iron, or Unistrut cross members. These conduits shall be individually fastened to the cross member of every other trapeze hanger with galvanized cast one hole straps, clamp backs, bolted with proper size cadmium machine bolts, washers and nuts. If adjustable trapeze hangers are used to support groups of parallel conduits, U-bolt type clamps shall be used at the end of a conduit run and at each elbow. J-bolts, or approved clamps, shall be installed on each third intermediate trapeze hanger to fasten each conduit. C. Sealant: Provide a closed cell silicone foam sealant rated to provide a rating equal to the wall, ceiling, or floor assembly rating. Provide seals for the exterior of conduit penetrations consisting of a cast-in-place sleeve with a compressible rubber gasket between the conduit and the sleeve. Provide seals for the interior Heartland Health Care Center of Zephyrhills-3181 16110-5 DE No 217032 38220 Henry Drive,Zephyrhills, FL 33542 Pending Emergency Rule 59A-4.1265