Laserfiche WebLink
SECTION 16110 � <br /> CONDUIT AND FITTINGS <br /> � <br /> 1.00 GENERAL <br /> A. All conduit shall be galvanized steel, PVC plastic or aluminum as manufactured by a ' <br /> recognized manufacturer and in accordance with the latest edition of the National <br /> Electric Code (NEC) and latest industry standards. <br /> B. Electrical Metallic Tubing(ENTT) shall be used in all interior spaces not in direct contact ' <br /> with the earth. Fittings shall be steel, set screw, concrete tight type. EMT may be used <br /> where exposed to weather using steel, watertight compression fittings and backstraps. , <br /> EMT shall not be used in direct contact with the earth or unprotected within five feet of <br /> the ground, slab, blacktop, or floor. Rigid conduit shall be used below five feet or <br /> proper protection shall be provided for ENIT. EMT shall be installed in accordance , <br /> with the latest edition of the NEC. <br /> C. Rigid Galvanized Steel (RGS) Conduit, Intermediate Metal Conduit (IMC) or Rigid <br /> Aluminum Conduit shall be installed in accordance with the latest edition of the NEC. ' <br /> All conduit shall be provided as shown on the drawings. All feeders 600 Volts or <br /> higher shall be installed in one of these three types of conduit. The Engineer shall <br /> review and approve conduit and method of installation prior to installation. , <br /> D. PVC plastic conduit shall be installed only when shown on the Drawings, specified <br /> elsewhere in this Specification or as approved by the Engineer. � <br /> E. Flexible Metal Conduit or Liquidtight flexible metal conduit shall be used for final <br /> connections to equipment such as motors, fixed equipment, electric heating equipment, <br /> etc. Trade sizes 1/2" through 1 1/2" shall be used in lengths no longer than 24", 2" ' <br /> through 3" no longer than 36", 3 1/2" through 4" no longer than 48". Fittings shall be <br /> steel, set screw type for smaller sizes and steel, clamp type for larger sizes. <br /> F. Conduit shall be sized according to the Drawings, with no conduit smaller than 1/2" � <br /> trade size. If not sized on the Drawings, the NEC shall be used to determine the size <br /> based on the number and size of conductors required. The Engineer shall approve all <br /> calculated conduit sizes and method of installation prior to installation. � <br /> G. All conduit runs shall be complete, installed per this specification and the NEC prior to <br /> wires or cable being installed. � <br /> H. Unless specifically noted, all conduits, fittings, and boxes shall be concealed within the <br /> building construction. Conduit located in equipment areas may be exposed but shall be , <br /> installed in parallel with the building lines. Install expansion fittings at all building <br /> expansion joints and as required by the NEC. Approval must be obtained from the <br /> Architect prior to any cutting of the building structure for raceway installation. <br /> I. Conduits shall be securely fastened with galvanized steel straps, clamps and hangers � <br /> using appropriate anchoring systems. Straps, clamps and hangers shall be specifically <br /> designed for use with electncal conduit. � <br /> J. Conduits connected to equipment or lighting fixtures supported by or within a <br /> suspended ceiling may be supported from the suspended ceiling wires with "Caddy ' <br /> clip" type fasteners manufactured specifically for that purpose. No more than two 1/2" <br /> or one 3/4" conduit shall be supported from an individual wire. The number of <br /> RMAS CBA701 8/1/97 ' <br /> 032497 16110 - 1 <br /> , <br />