Circulating Pumps Repair and Replace, DFAS-ROME

Contractor shall provide all personnel, equipment, tools, materials, supervision, transportation, and other items and services necessary: - Contractor shall provide repair to leaking impellers on circulation pumps #3, #4, provide new full replacement to associated flex connectors, valves, couplings, piping and insulation. Contractor shall provide new and install full pump replacement to circulation pumps #5, #6, and #7, #8 provide new full replacement to associated flex connectors, valves, couplings, piping and insulation. Contractor shall provide and install the necessary new schedule 40 black iron piping, all new couplings & new flange packs, new flex connectors, new triple duty valves, new suction diffusers, new gauge piping, install new insulation around replaced piping, valves, shall properly balance systems and provide balance report to Government. - Contractor shall re-build impellers that are associated with existing circulation pumps #3, #4 . Shall replace seals, bearing, and strainers to impellers units. New piping, flex connectors, triple duty valves, suction diffusers, isolation flanges. Overhead piping system shall be new and installed from ‘said elbows’. Contractor shall follow Uniform Plumbing Codes & practices; provide proper support of overhead piping and fittings. Support and/or hangers shall be installed to alleviate uncontrolled movement and down pressure. - Contractor shall provide and install two (2) new circulation pumps for #5 & #6, and provide and install two (2) new circulation pumps for #7 & #8 to match existing pumps. New piping, flex connectors, triple duty valves, suction diffusers, isolation flanges. Overhead piping system shall be new and installed from ‘said elbows over to air separator unit’. Contractor shall follow Uniform Plumbing Codes & practices; provide proper support of overhead piping and fittings. Support and/or hangers shall be installed to alleviate uncontrolled movement and down pressure. - Contractor shall provide and install new piping that is associated with the two (2) expansion tank repairs, replace rusted black iron pipe with new copper pipe, as well as provide and install new vents, valves and drains.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Cast-in-Place Concrete.
Division 22 -	Plumbing, Plumbing Piping, Plumbing Equipment.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems.
Division 33 -	Utilities, Water Utilities, Water Utility Distribution Piping, Water Utility Distribution Equipment, Water Utility Pumping Stations, Wells.
Division 44 -	Pollution and Waste Control Equipment, Water Pollution Control Equipment.