The purchase of Two (2) submersible 4” non-clog pumps, rated to deliver 300 GPM @ 110’ TDH. The control and electrical cables shall be 50’ feet long and all applicable control relays shall be included in the quote. The vendor shall make their pump adapt to the existing claw and guiderail assemble at no cost to MAWSS. The efficiency of the pumps and delivery times will be considered in the purchase evaluation. 1.01 Capability: A. 3” minimum diameter spherical solid passage. 1.02 Materials of Construction: A. Casing - cast iron A48 Class 35C or 40 B. All Exposed Bolts & Nuts - 316 stainless steel C. Pump Exterior Coating - Factory applied primer and finish coat to suit pumped media. D. Pump Interior – All internal wetted parts including volute assembly, shall receive a ceramicepoxy coating as per below. Unless parts are hardened material, or coating can affect the hydraulics of the pump. 1. Belzona®1321 (Ceramic S -Metal) (Minimum 24 dry mils thickness) shall be applied blue topcoat and gray basecoat (to ensure successful overlap) by brush, applicator, or spray at a typical thickness of 15 mils per coat. The first coat shall not be left more than 24 hours before overcoating with the second coat. Evidence of basecoat shall not be identifiable upon completion.
