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B. Install a gas valve upstream of each gas pressure regulator. Where two gas pressure <br /> regulators are installed in series in a single gas line,a manual valve is not required at the <br /> second regulator. <br /> C. Install pressure-relief or pressure-limiting devices so they can be readily operated to <br /> determine if valve is free;test to determine pressure at which they will operate;and <br /> examine for leakage when in closed position. <br /> 3.11 CONNECTIONS <br /> A. Install gas piping next to gas-utilizing equipment and appliances to allow servicing and <br /> maintenance. <br /> B. Connect gas piping to gas-utilizing equipment and appliances with shutoff valves and <br /> unions. Make connections downstream of valves and unions,with flexible connectors <br /> where indicated. <br /> C. Electrical Connections: Wiring is specified in Division 16. <br /> 3.12 TERMINAL EQUIPMENT CONNECTIONS <br /> A. Install a gas valve upstream and within 6 feet of each gas-utilizing appliance. Install a <br /> union or flanged connection downstream from the valve to permit removal of controls. <br /> B. Sediment Traps: Install tee fittings forming drips,as close as practical to gas appliance <br /> inlets. Cap or plug bottom outlet. <br /> 3.13 ELECTRICAL BONDING AND GROUNDING <br /> A. Install above-ground portions of natural gas piping systems that are upstream from <br /> equipment shutoff valves,electrically continuous and bonded to a grounding electrode <br /> according to NFPA 70. <br /> B. Do not use gas piping as a grounding electrode. <br /> 3.14 FIELD QUALITY CONTROL <br /> A. Inspect,test,and purge natural gas systems according to NFPA 54,Part 4"Gas Piping <br /> Inspection,Testing,and Purging" and local gas utility requirements. <br /> B. Repair leaks and defects with new materials,and retest system until satisfactory results are <br /> obtained. <br /> C. Report test results promptly and in writing to the Architect and the authority having <br /> jurisdiction. <br /> ADDENDUM#2 <br /> 1607.001 - ORONO ICE ARENA(CP-2) Page 15488 - 12 <br />