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HomeMy WebLinkAboutScope of Work1. Introduction The City of Denton seeks proposals from qualified suppliers to provide water treatment chemicals, Liquid Oxygen (LOX), and Medical Oxygen products used by the City's Water Production, Water Reclamation, Solid Waste, Municipal Lab, DME and Fire Department facilities. This contract will be a term agreement with orders placed on an as-needed basis. The final Scope of Work (SOW) will be determined upon selection of the successful firm(s). Respondents must demonstrate a clear understanding of the required products and services and outline an implementation plan consistent with the specifications in this RFP. 2. Scope of Work – Water Treatment Chemicals 2.1 General Requirements Suppliers shall provide water treatment chemicals meeting the following minimum conditions: • Bulk chemical orders will be placed throughout the contract term as needed. • Packaging and shipping must comply with all Federal and State regulations. • A current NSF certification must be provided for each chemical; NSF stamps must appear on bills of lading/delivery tickets. • Drivers must provide product samples upon request before unloading. • The City reserves the right to reject any material not meeting specifications; vendors will be notified immediately. • All shipments must include certified weight certificates. • Chemicals must be free of substances harmful to consumers of treated water. • Products shall be bid and billed by pound (solid/gaseous) or wet pound (liquid). • A Certificate of Analysis (COA) must accompany each delivery. • Unit pricing must be all-inclusive (delivery, freight, demurrage, environmental fees, container returns, etc.). • Bulk chemical deliveries shall be FOB Denton and unloaded by the supplier. • Delivery windows: Monday–Friday, 8:00–11:00 a.m. and 1:00–4:00 p.m. • Approved delivery locations: – Lake Lewisville Water Treatment Plant, 1701-B Spencer Rd., Denton, TX 76205 – Lake Ray Roberts Water Treatment Plant, 9401 Ray Roberts Dam Rd., Aubrey, TX 76227 • Tankers must be sealed with serialized security tags; manifests must match tag and tanker numbers. • Suppliers must provide all unloading equipment, including air pressure sufficient to clear lines (City does not provide compressed air). • Suppliers are responsible for cleanup and reporting of any spills caused during unloading. • In the event of non-delivery, the City may procure from the open market; vendor shall reimburse cost differences (not exceeding a normal delivery amount). • Proposal submission must include current NSF Standard 60 certification and SDS sheets. • Quantities listed are estimates only; the City does not guarantee purchase of estimated volumes. 3. Liquid Oxygen (LOX) Specifications 3.1 Product Requirements a) Must meet ANSI/AWWA Standard B304-18 (or most current). b) Product shall be commercially known as Liquid Oxygen (LOX). c) Required purity and impurity limits: • Minimum 99.5% oxygen by volume • Must comply with Compressed Gas Association Type II, Grade B • Water content ≤ 6.6 ppm • Hydrocarbon content ≤ 25 ppm • MSDS must accompany the first delivery d) Supplier responsibilities: • Conduct initial inspection of LOX system; provide maintenance/safety recommendations • Perform annual inspections of tanks and vaporizers • Complete repairs on a cost-by-cost basis • Provide on-site response within 24 hours of City notification e) Non-delivery provisions follow Section 2 requirements. f) All costs must be included in unit price. g) Vendors must submit NSF certification and SDS sheets with proposal. 4. Medical Oxygen – Scope of Work Suppliers shall furnish Medical Oxygen and related tank refills used by City Departments. • All pricing must be all-inclusive (delivery, freight, fees, etc.). • Deliveries must be FOB Denton, Monday–Friday, 8:00 a.m.–5:00 p.m. • Deliveries shall be made to the following fire stations: – Central Fire Station, 332 E. Hickory St. – Fire Station #2, 110 Mockingbird Ln. – Fire Station #3, 1401 Underwood – Fire Station #4, 2116 E. Sherman Dr. – Fire Station #5, 2330 W. Windsor Dr. – Fire Station #6, 3232 Teasley Ln. – Fire Station #7, 4201 Vintage Pkwy – Fire Station #8, 3113 Colorado Blvd. – Fire Station #9, 4990 Airport Rd. 5. Fire Department Product Specifications 5.1 Medical USP Grade Oxygen • H Cylinder (251 cu. ft., CGA 540) • D Cylinder (15 cu. ft., CGA 870) • Estimated annual usage: 30 H cylinders, 200 D cylinders • Pricing: Per cylinder 5.2 Industrial Grade Oxygen • Cylinder size 20, CGA 540 • Estimated annual usage: 6 cylinders • Pricing: Per cylinder 5.3 Acetylene • MC Cylinder, CGA 200 • Estimated annual usage: 6 cylinders • Pricing: Per cylinder 5.4 Nitrogen • Cylinders provided by City • Estimated usage: 2,500 cubic feet • Pricing: Per cubic foot 5.5 ARGON, REFRIGERATED LIQUID 2.2, standard cubic foot (SCF) 6. Municipal Laboratory – Scope of Work and Product Specifications 6.1 General Requirements • Certificate of Analysis (COA) must accompany each delivery. • Statement/receipt with the volume in tank before fill, delivery volume, and volume in tank after fill must be provided with each delivery. • Unit pricing must be all-inclusive (delivery, freight, demurrage, environmental fees, storage tank maintenance & upkeep, etc.). • Delivery windows: Monday–Friday, 8:00–11:00 a.m. and 1:00–4:00 p.m. • Approved delivery location: Municipal Laboratory, 1056 S. Mayhill Rd, Denton, TX 76208 • Suppliers are responsible for cleanup and reporting of any spills caused during unloading. • Micro-bulk storage tank must have remote sensing capability to notify for the need to refill when 18 inches of fill remain. • Supplier must provide SDS sheets. 6.2 Argon Requirements a). Purity • ≥ 99.996% b). Impurity • Oxygen: < 5 ppm • Hydrogen: < 1 ppm • Nitrogen: < 20 ppm • Water: < 4 ppm • Krypton: < 0.0001 ppm 6.3 Micro-bulk Storage Tank Requirements a). Dimensions • Diameter: 30 inches (maximum) • Height: 65 – 75 inches b). Pressures • Delivery pressure to instrument: 85 – 100 psi • MAWP: 350 psi at 100°F • MDMT: -320°F at 350 psi b). Capacity • Gross: 450 liters • Net: 420 liters • Storage capacity of at least 12,400 SCF for Argon 7.0 Evaluation Criteria 7.1 Probable Performance – 25% Consideration of vendor’s past performance, financial capacity, technical capability, references, and ability to provide reliable support. 7.2 Compliance with Specifications – 25% Assessment of compliance with required specifications, reliability, and overall product/service quality. 7.3 Price – 50% Evaluation of total cost, including installation (if applicable), life cycle considerations, and warranty. 8. Submission Requirements Respondents must provide: • Completed proposal forms • NSF certifications • Safety Data Sheets (SDS) • Description of vendor capabilities and delivery process • Any additional documentation supporting compliance with this RFP