SECTION PIPING SPECIALS

Transcription

1 PART 1 GENERAL 1.01 DESCRIPTION A. Work Included The Contractor shall furnish, install, and test the miscellaneous pipeline equipment, complete with accessories, and special equipment as shown on the Contract Drawings and specified herein RELATED WORK A. Section 15061, Yard Piping. B. Section 15062, Interior and Exposed piping. C. Valves and Hydrants, Section QUALITY ASSURANCE A. General The equipment covered by these specifications is intended to be standard equipment of proven performance as manufactured by reputable concerns. The equipment shall be designed, fabricated and installed in accordance with the best practice of the trade and the standards specified herein. B. Shop Tests The pipe and fittings covered by these specifications shall be tested in accordance with ASTM, ANSI and/or AWWA standards specified herein. At least one sample per lot shall be subjected to the standard tests and the optional tests listed in the specifications and their appendices. Copies of the certified test results shall be provided by the manufacturer to the contractor and submitted in accordance with the submittals paragraph contained herein. C. Field Tests Shall be performed as specified herein and in accordance with the General Conditions and Division 1. D. Witnessed Shop Tests The County may at its discretion visit and inspect the manufacturer s facilities. During the inspection visit, a witnessed shop test shall be performed for all standard tests listed in applicable standards. TALL OAKS STP

2 E. Letters of Compliance In accordance with the submittals paragraph, the contractor shall obtain and submit certified statements that the equipment as applicable complies with the requirements of the standards specified herein SUBMITTALS A. Submittals shall be in accordance with Section B. General In accordance with the procedures and requirements set forth in the General Conditions and Division 1, the Contractor shall obtain from the equipment manufacturer and submit the following data. 1. Shop drawings. 2. Results of certified shop tests. 3. Certified letters of compliance. 4. Samples. 5. Operation and Maintenance manuals. 6. Spare parts list. 7. Special tools list. No material furnished under this specification shall be shipped to the jobsite until all submittals have been approved. Each submittal shall be identified as specified in the General Conditions and Division 1. C. Submittals Each submittal shall be complete in all aspects incorporating all information and data listed herein and all additional information required to evaluate the proposed piping material s compliance with the contract documents. Partial or incomplete submissions shall be returned to the contractor disapproved without review. Data to be submitted shall include but not be limited to: 1. Catalog data consisting of specifications, illustrations and a parts schedule that identified the materials to be used for the various piping components and accessories. The illustrations shall be in sufficient detail to serve as a guide for assembly and disassembly. TALL OAKS STP

3 2. Complete layout and installation drawings with clearly marked dimensions. Scale and size of the drawings shall conform to the specifications in the general conditions and division Weight of all component parts and an assembled weight. 4. Listing of all lubricants required for the equipment with a minimum of four equivalent and compatible natural and/or synthetic lubricants produced by different manufacturers. The listing shall include the estimated quantity of lubricant required for one year of operation. 5. Sample data sheet of equipment nameplate(s) including information contained thereon. 6. Spare parts list. 7. Special tools list. D. Certified Shop Test Results The Contractor shall obtain from the manufacturer and submit to the County copies of the certified shop tests in accordance with the General Conditions and Division 1. E. Certified Letters of Compliance The Contractor shall obtain from the manufacturer and submit to the County copies of certified letters of compliance in accordance with the General Conditions and Division 1. F. Operation and Maintenance Manuals The Contractor shall submit operation and maintenance manuals in accordance with procedures and requirements set forth in the General Conditions and Division 1. G. Spare Parts List The Contractor shall obtain from the equipment manufacturer and submit to the county, the following spare parts lists in accordance with the procedures and requirements set forth in the General Conditions and Division A complete list of parts and supplies with current unit prices and source of supply. 2. A list of parts and supplies that are either normally furnished at no extra cost with the purchase of the equipment or specified herein to be furnished as part of the contract. (This list shall be submitted as part of the shop drawing submission). 3. A list or additional items recommended by the manufacturer to assure efficient operation for a period of 120 days at the particular installation. Parts shall be completely identified with a numerical system to facilitate parts inventory control and stocking. Each part shall be properly identified by a separate number. Those parts which are identical for more than one size, shall have the same parts number TALL OAKS STP

4 List 1 and 3 shall be submitted with the operation and maintenance manual. H. Special Tools The Contractor shall compile, based on the shop drawing submittals, and furnish a comprehensive list of all special tools required for the equipment specified herein. I. Comprehensive Lubrication Survey The Contractor shall submit a comprehensive lubrication survey in accordance with the General Conditions and Division PRODUCT DELIVERY, STORAGE AND HANDLING Special care shall be exercised during delivery, distribution and storage of pipeline equipment to avoid damage and setting up stresses. Damaged equipment shall be rejected and replaced at the Contractor s expense. Miscellaneous pipeline equipment when stored shall be protected from the weather and foreign material. PART 2 - PRODUCTS 2.01 GENERAL A. Raised Face Flanges No raised face flanges in conformance with ANSI B16.5 Class 150 shall be acceptable. All raised faces shall be milled flat. The only exceptions to this rule are ANSI B16.5 Class 300 pound flanges where specified and the lap joint flanges for the stainless steel pipe for low pressure air service and light wall stainless for low pressure air service and light wall stainless steel pipe. B. Materials Index An index of materials herein is presented for the convenience of the contractor. Paragraph Title Page 2.02 Backflow Preventers Water Hammer Arrestors Tapping Sleeves and Valves Tapping Saddles TALL OAKS STP

5 2.08 Post Hydrant Emergency Shower and Eye Wash Hot Water Heater BACKFLOW PREVENTERS A. Shall be reduced pressure principle type suitable for cold water service conforming to the material and design standards of AWWA C511. B. Shall have flanged end connections conforming to ANSI B 16-1 Class 125 for nominal pipe sizes two and one-half (2-1/2) inches and larger. Shall have thread end connections for nominal pipe sizes less than 2-1/2 inches. C. Shall be furnished complete with two gate valves as specified in Section 15064, Valves and Hydrants. D. Shall be Febco Model 825Y for nominal pipe sizes three-quarter (3/4) inch to two (2) inches WATER HAMMER ARRESTORS A. Shall be Hydotrol type by Jay R. Smith, Shoktrol by Zurn or equal. B. Shall be certified in accordance with PDI WH 201 standard. C. Shall be stainless steel construction TAPPING SLEEVES AND VALVES A. Tapping Sleeves 1. Shall be the mechanical joint type of heavy cast iron construction. 2. The mechanical joint ends shall conform to AWWA C111 (ANSI A21.11). 3. Bolts and nuts shall be corrosion resistant, hexagonal and conform to ANSI B Shall be designed for a minimum working pressure of 200 psi and shall be shop tested at 400 pi. 5. Shall have a flanged connection for the outlet conforming to ANSI B16.1 Class 125. C. Tapping Valve TALL OAKS STP

6 1. Shall be supplied by the manufacturer of the valve and sleeve. 2. Shall be designed expressly for this work. 3. Cutting tools shall be sharp to ensure a quick clean cut. 4. Shall be as manufactured by AP Smith, Mueller or equal TAPPING SADDLES A. Shall be brass with stainless steel hardware with extra wide bearing surfaces. B. Shall have an NPT threaded outlet. C. Shall be rated for 150 psi working pressure. D. Shall have an extra thick and wide neoprene gasket YARD HYDRANT A. Shall be as specified in Section 15064, valves and hydrants. B. Shall be one (1) inch and two (2) inch with NPT thread C. Shall be provided with a placard labeled with Effluent Water in one (1) inch letters EMERGENCY SHOWER AND EYE WASH A. Item No. S.SH-2: Emergency shower and eye wash shall consist of a deluge showerhead, pull rod or chain operated, self-closing valve, 1-1/2 inch stanchion with 9-inch floor flange, stainless steel bowl eye wash with twin spray outlets each with volume control and head operated self closing valve. All exposed parts shall be chrome plated. The emergency shower and eyewash shall be Haws, or Speakman or equal. B. Provide a thermostatic mixing valve(s) for all emergency fixtures provided. Thermostatic mixing valve shall meet the requirements of ANSI , National Standard for Emergency Eyewash and Shower Equipment. The temperature regulator shall be set at 85 F and locked to prevent adjustments. The unit shall have a high temperature limit stop set at 90 F. The unit shall be constructed with an internal cold water bypass upon failure of the hot water supply. On failure of cold water supply, the hot water shall shut down. Acceptable manufacturers include Leonard Valve Company. TALL OAKS STP

7 2.10 HOT WATER HEATER A. The Contractor shall furnish, install and put into service an electric hot water heater. B. The water heater shall have a storage capacity of 50 gallons. C. The unit shall have the UL seal of certification and be factory equipped with an AGA/ASME rated temperature and pressure relief valve. D. Tank 1. The tank shall have a double coating of high temperature porcelain enamel and be furnished with magnesium anode rods rigidly supported. 2. All tanks shall have a working pressure of 150 psi, and shall be completely assembled. 3. The tank shall be insulated with 3-inches of rigid polyurethane foam insulation. E. The water heater shall meet or exceed the standby loss requirements of ASHRAE Standard 90.1B F. All water heater supplied shall be approved-listed and constructed in accordance with UL Sanitation (NSF5) G. Water heater(s) shall be equipped with screw-in type elements featuring a stainless steel outer sheath of Inco-Loy 840 material. H. The unit shall be constructed with a system sentinel element diagnostic panel utilizing light emitting diodes (LED). Each LED will correspond to the number and location of the heating elements and monitor their on-off function. I. The unit shall be provided with internal power circuit fusing, control circuit fusing, magnetic contractor, 120 volt control circuit transfer and surface mounted thermostat(s) or immersion thermostat(s) with manual reset high limit control. J. A 1-1/2 inch inlet and outlet connection shall be provided. K. The water heater shall be covered by a three year limited warranty against tank leaks. L. The unit shall have an electrical input of 9 kw and a recovery rate of 37 gallons per hour at a 100 F temperature rise. M. The water heater shall be a model ES50-9-G as manufactured by Rheem-Rudd or approved equal. TALL OAKS STP

8 PART 3 - EXECUTION 3.01 INSTALLATION All miscellaneous pipeline equipment shall be installed in accordance with the specifications, manufacturer s recommendations and the Contract Drawings. END OF SECTION TALL OAKS STP