Government Contract | Virginia
REVERSE OSMOSIS MEMBRANE ELEMENTS

Bid Information


Bid Alert No: 00000571557

Bid Title: REVERSE OSMOSIS MEMBRANE ELEMENTS

Agency Bid No. Title: 16082

Received Date: 05/13/2016

Close Date: 05/26/2016

Purchase Type: 90 days for completion

Delivery Point:

Delivery Date: Not Stated

Specifications

Specifications include, but are not limited to:The City of Chesapeake is soliciting bids from qualified bidders to provide Reverse OsmosisMembrane Elements for Public Utilities Northwest River Water Treatment Plant.II. BACKGROUND: The Northwest River Water Treatment Plant is located at 3550 South Battlefield Boulevard,Chesapeake, VA 23322. The reverse osmosis train is a two-stage system with a 33:16 (7M) pressure vesselarray with the capability for Stage 1 permeate throttling for flux balancing if desired. Flow rates are measured forStage 2 permeate, total permeate, and final concentrate. The existing ground water system pretreatment includesscale inhibitor addition, and 5-micron rated cartridge filtration.III. SCOPE OF WORK: Contractor shall provide and deliver the following:A. A total of 343 reverse osmosis membrane elements to reload one (1) existing ground water RO train.B. Membrane elements manufactured not more than six (6) months before the delivery date.C. Membranes that are complete and operable in all respects including, but not limited to, accessories such aspermeate interconnectors and brine seals suitable for installation in existing nominal eight (8) inch diameter7M ASME code pressure vessels.D. Submittals:1. Computer projections (five (5) total) assuming 80% recovery for the specified membrane element with thefollowing conditions and 80% recovery raw water quality at 26.5 C:a. 2.25 mgd at 0 yearsb. 2.5 mgd feed flow at 0, 1, 3, and 5 yearsc. Feed water chemistry:1) Ca = 85 mg /L2) Mg = 50 mg/L3) Na = 2,900 mg/L4) K = 65 mg/L5) Fe = 1.8 mg/L6) Mn = 0.2 mg/L7) Al = 0.1 mg/L8) Ba = 0.07 mg/L9) Sr = 3 mg/L10) HCO3 = 470 mg/L11) SO4 = 350 mg/L12) Cl = 4,300 mg/L13) F = 0.9 mg/L14) NO3 = 7 mg/L15) PO4 = 0.4 mg/L16) Bromide = 10.6 mg/L17) SiO2 = 15 mg/L18) TDS = 8,025 mg/L

Product Code: 89020

Agency Information


Issuing Agency: City of Chesapeake

State: Virginia

Agency Type: State and Local

Contact: Phylysha Cherry

Phone: 757-382-6359

Email: pcherry@cityofchesapeake.net

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