Emergency Interconect Lakehurst

DESCRIPTION OF WORK The Scope of Work below outlines the general items and distribution of work and shall not be construed as being all inclusive. The work of this project consists of the following: A. BASE BID 1. Work shall include site mobilization, maintenance and protection of traffic, and cleaning and restoration in accordance with these specifications. All costs associated with the mobilization for the construction of the interconnection shall be included in the lump sum line item MOBILIZATION. 2. Work shall include the furnishing and installation of all piping, booster pumps, pressure reducing valves, (2) sampling taps, (2) pressure gauges, stainless steel pipe supports, and associated appurtenances into the existing Precast Interconnect Vault including all necessary water main piping, fittings, tees, valves, restrained joints, electrical panel, electrical components, controls, and reducers as shown on the construction plans. Work shall be completed in accordance with the construction plans as well as the sections contained in the Technical Specifications. All costs associated with the construction of the interconnection piping and appurtenances shall be included in the lump sum line item 8" INTERCONNECTION, INCL. ALL PROCESS PIPING, VALVES, FITTINGS AND APPURTENANCES, COMPLETE. 3. Work shall include the furnishing and installation of a Grundfos Hydro MPC-EC 2CR95-2-2 Booster Pump System or an approved equal. This system must be sized to produce 300-500 gpm at 30-60 psi with one pump active and one on standby. The system must be equipped with high pressure and low pressure transducers on both the suction and discharge ends, as well as pressure gauges. The system shall be heat traced and properly insulated to provide protection from freezing. The system must also be equipped with two (2) panel mounted VFDs that can be integrated with the Townships existing Instrumentation and Controls system. All costs associated with the booster pumping system shall be included in the lump sum line item VARIABLE SPEED PACKAGED BOOSTER PUMPING SYSTEM W/ VFD, COMPLETE. 4. Work shall include the furnishing and installation of an 8 combination pressure reducing and pressure sustaining valve. The valve shall be a CLA-VAL Company model No. 92-01 or an approved equal. The valve must have flanged ends and a pressure rating of class 150 lb. The valve must contain a position indicator, opening/ closing speed control, built in check feature, isolation valves and gauges. The valve must have all stainless-steel type 303 trim. All costs associated with the installation of the combination pressure reducing and pressure sustaining valve shall be included in the lump sum line item 8" COMBINATION PRESSURE REDUCING & PRESSURE SUSTAINING VALVE, COMPLETE. 5. Work shall include the furnishing and installation of an 8 OMNI Turbo (T2) water meter manufactured by Sensus, or an approved equal. All costs associated with the installation of the water meter shall be included in the lump sum line item 8" WATER METER AND APPURTENANCES, COMPLETE. 6. Work shall include the furnishing and installation of various electrical upgrades as shown on the plans and details. This work shall include the installation of an electrical service to the vault, underground conduit, sump pump furnishing, installation and piping, an electrical rack containing the electrical meter, the electrical panel, the NEMA pump motor control cabinet, various NEMA 4x Cabinets, and the Instrumentation and Controls controls cabinet. The electrical rack shall be mounted on top of the existing interconnect vault lid, post light, ground rod, and duplex receptacle. The vault shall be outfitted with heat trace along the interconnection piping and appurtenances, duplex receptacles, and vault lights. The interconnection vault sump pump shall be Zoeller model #282, 1/2 hp, 115V, 2" NPT discharge, oil filled motor in cast iron housing, or approved equal. The contractor shall install all 2 discharge piping necessary for a complete operational sump pump. The NEMA pump motor control cabinet manufactured by Grundfos shall be equipped with a Hoffman #X230226G360 A/C Heat Combination unit. All costs associated with this work shall be included in the lump sum line item ELECTRICAL UPGRADES, COMPLETE and the lump sum bid item ELECTRICAL SERVICE INSTALLATION, COMPLETE. 7. An allowance for Instrumentation and Controls upgrades has been provided but shall not be utilized without written direction by the Engineer. The Contractor must provide the engineer with supporting documentation of all Instrumentation and Controls upgrade costs in order to receive payment for the allowance. The proposed instrumentation and controls system shall feature a cold temperature alarm that is programmed to alert the Townships existing SCADA system if temperatures inside of the vault fall below 32 degrees Fahrenheit or if the proposed heat trace system is not functioning. In addition, the Instrumentation and Controls upgrades for the proposed interconnection between the two water systems needs to be compatible with the existing Manchester Township Instrumentation and Controls system that was installed and maintained by Allied Control Services, Inc. All costs associated with this work shall be paid under the allowance INSTRUMENTATION AND CONTROLS SYSTEM, COMPLETE. Please note that all work to be completed under this section is as directed by the Engineer or Township. 8. Work shall include the complete disinfection and testing of the interconnection in accordance with sections 1600 and 330113 of the technical specifications All costs associated with the disinfection and testing of the interconnection shall be included in the lump sum line item DISINFECTION AND INTERCONNECTION TESTING, COMPLETE. 9. Work shall include the preparation of complete as-built drawings of the interconnection in accordance with section 01010 of the technical specifications. The as-built drawings shall be provided as a paper copy and a .pdf copy to the Township and the engineer. All costs associated with the preparation of the as-built drawings of the interconnection shall be included in the lump sum line item SYSTEM AS-BUILTS.