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t fl r Ll D. All metal parts and grounding conductors in each manhole or pullbox shall be grounded to a local ground rod. E. Resistance: Readings shall not be taken within 48 hours of a rainfall. F. The CONTRACTOR shall provide a written report for all grounding test results to the ENGINEER. The test shall include all ground connections. The report shall be signed by the OWNER of the contracting firm and shall include: Test date, time, weather conditions on test date and 3 days prior to the test date, location and results. G. All raceways require grounding conductors. Metallic raceways are not adequate grounding paths. Bonding conductors through the raceway systems shall be continuous from main switch ground buses to panel grounding bus of panelboards, and from panel grounding bus of panelboards, and motor control centers to branch circuit outlets, motors, lights, etc. These ground conductors are required throughout the project regardless of whether conduit runs or the Cable and Conduit Schedule show ground conductors on the Drawings. H. All connections made below grade shall be of the exothermic type. PART 3 - EXECUTION 3.01 CONDUIT INSTALLATION A. General 1. Nylon pull cords shall be installed in all empty conduits. Wire shall not be installed until all work of any nature that may cause damage is completed, including pouring of concrete. Mechanical means shall not be used in pulling in wires 8 AWG or smaller. 2. The use of running threads is prohibited and where some such device is necessary, split couplings, Erickson couplings, or equal shall be used. Where water tight conduit installations are required, 1 watertight conduit unions shall be used. 3. All conduits shall be cleaned by pulling a brush swab through before installing cables. 4. All conduits shall be sealed at each end with electrical putty or Ductseal. Special care shall be taken at all equipment where entrance of moisture could be detrimental to equipment. 1 1 07/06 16050 -3 05 -5564