Specifications include, but are not limited to: The proposed Scope of Work includes, but is not necessarily limited to, the following: 1. PUMP & MOTOR REMOVAL a. WTP personnel will remove electrical wiring and stainless steel coupling between each pump and motor. b. Pumps and motors will need to be craned out separately for two crane picks for each unit. See notes under INSTALLATION below. c. Work needs to be phased – each pump rebuild will be completed before next pump work starts. Expect total project completion to be over two (2) City fiscal years, running from July 1 to June 30. d. Pump F5 and motor are in pieces and will need to be trucked from Peak Motor & Pump located at 164 Yankee Park Rd, Fairfax, VT 05454 . The City will compensate Peak Motor and Pump to prepare the pump pieces for shipping plus forklift time to place on flatbed trailer. e. Pumps F6 and F7 and corresponding motors will require crane services for removal and trucking from the Water Plant located at 235 Penny Lane, Burlington, VT 05401. See notes under INSTALLATION below. f. The pump and motor together are just over 18 feet tall. Pump and motor weights are estimated at 1500 lbs and 1800 lbs, respectively. Refer to Exhibit B. g. See INSTALLATION section below for estimated number of round trips. 2. PUMP REPAIRS a. Breakdown, clean, evaluate and sandblast pump parts. b. Repair or replace as necessary upper flanged section of pump that sits in clearwell headspace above water level since it is severely corroded due to contact with humid, chlorinated air. c. Purchase or machine new bronze wear rings, bronze bushing sleeves and stainless steel shaft sleeve using original pump materials specified in Exhibit B. d. Recoat pump using NSF61-approved coatings. i. Base bid should include cutsheets of the Contractors proposed coatings and, ii. an add/alternate bid for the use of WaterArmor thermoplastic coating from ProTech Group (WATERARMOR-EN.pdf (theprotechgroup.com) in Canada. e. Check shaft alignment and repair or replace as necessary. f. Replace packing material, bolts, set screws, etc. as needed. g. Rebuild entire pump and dynamically balance if necessary. h. Repair or replace bowls as needed. The flange on one of F5’s bowls broke during disassembly and requires repair or replacement. 3. MOTOR REPAIRS a. Breakdown, clean and evaluate motor parts. b. Steam clean and bake rotor. c. Test motor windings at a voltage appropriate for 4160V. d. Install new bearings per manufacturer’s recommendations. e. Reassemble and test motor, then repaint it. f. Add oil per manufacturer’s recommendations...
