VA 22 05 19-2010 METERS AND GAGES FOR PLUMBING PIPING.pdf

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1、02-10 22 05 19 - 1 SECTION 22 05 19 METERS AND GAGES FOR PLUMBING PIPING SPEC WRITER NOTE: Delete between /-/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 - GENERAL 1.1 DESCRIPTION This section describes the r

2、equirements for water meters and pressure gages. 1.2 RELATED WORK Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING. 1.3 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES. B. Manufacturers Literature and Data: 1. Water Meter. 2. Pressure Gages. 3. BA

3、Cnet communication protocol 4. Product certificates for each type of meter and gauge C. Operations and Maintenance manual shall include: 1. System Description 2. Major assembly block diagrams 3. Troubleshooting and preventive maintenance guidelines 4. Spare parts information. D. Shop Drawings shall

4、include the following: 1. One line, wiring and terminal diagrams including terminals identified, protocol or communication modules, and Ethernet connections. 1.4 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are

5、referenced in the text by the basic designation only. B. American National Standards Institute (ANSI): American Society of Mechanical Engineers (ASME): (Copyrighted Society) B40.1-05 . Gauges-Pressure Indicating Dial Type-Elastic Provided by IHSNot for ResaleNo reproduction or networking permitted w

6、ithout license from IHS-,-,-02-10 22 05 19 - 2 C. American Water Works Association (AWWA): C700-07 (R 2003) . Standard for Cold Water Meters, Displacement Type, Bronze Main Case C701-07 Cold Water Meters-Turbine Type, for Customer Service AWWA/ ANSI C702-01 Cold water meters Compound Type D. Interna

7、tional Code Council (ICC): IPC-06 . (2007 Supplement) International Plumbing Code SPEC WRITER NOTE: Make material requirements agree with applicable requirements specified in the referenced Applicable Publications. Update and specify only that which applies to the project. 1.5 AS-BUILT DOCUMENTATION

8、 A. The electronic documentation and copies of the Operations and Maintenance Manual, approved submittals, shop drawings, and other closeout documentation shall be prepared by a computer software program complying with Section 508 of the Rehabilitation Act of 1973, as amended (29 U.S.C 794d). The ma

9、nufacturer or vendor of the software used to prepare the electronic documentation shall have a Voluntary Product Accessibility Template made available for review and included as part of the Operations and Maintenance Manual or closeout documentation. All available accessibility functions listed in t

10、he Voluntary Accessibility Template shall be enabled in the prepared electronic files. As Adobe Acrobat is a common industry format for such documentation, following the document, “Creating Accessible Adobe PDF files, A Guide for Document Authors“ that is maintained and made available by Adobe free

11、of charge is recommended.” B. Four sets of manufacturers literature and data updated to include submittal review comments and any equipment substitutions. C. Four sets of operation and maintenance data updated to include submittal review comments shall be inserted into a three ring binder. All aspec

12、ts of system operation and maintenance procedures, including piping isometrics, wiring diagrams of all circuits, a written description of system design, control logic, and sequence of operation shall be included in the operation and maintenance manual. The operations and maintenance manual shall inc

13、lude troubleshooting techniques and procedures for emergency situations. Notes on all Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 22 05 19 - 3 special systems or devices such as damper and door closure interlocks shall be included. A List o

14、f recommended spare parts (manufacturer, model number, and quantity) shall be furnished. Information explaining any special knowledge or tools the owner will be required to employ shall be inserted into the As-Built documentation. PART 2 PRODUCTS 2.1 DISPLACEMENT WATER METER A. For pipe sizes under

15、50 mm (2 inches), the water meter shall be displacement type, full size nutating disc, magnetic drive, sealed register, and fully conform to AWWA C700. Peak domestic flow shall be 2.2 L/S (34 gpm). The meter register shall indicate flow in liters (U.S. gallons). B. The water meter shall be rated for

16、 use at temperatures ranging from -40 C (-40 F) and +70 C (158 F) and operate at a working pressure of 1034 kPa (150-psig). C. The meter case, bottom caps, and register box lids shall be constructed from cast bronze. 2.2 TURBINE WATER METER A. The water meter shall be Turbine type, Class II, in-line

17、, horizontal axis, and fully conform to AWWA C701. Peak domestic flow shall be _L/S (_ gpm). The meter Register shall indicate flow in liters (U.S. gallons). B. The water meter shall be rated for use at temperatures ranging from -40 C (-40 F) and +70 C (158 F) and operate at a working pressure of 10

18、34 kPa (150-psig). C. The turbine case shall be constructed of bronze. D. The register box rings and lid shall be made of cast copper alloy containing not less that 75% copper. Forged or die cast copper alloy containing not less than 75% copper or a suitable synthetic polymer. E. The flow measuring

19、turbine shall be made of vulcanized hard rubber or suitable synthetic polymer with specific gravity approximately equal to that of water. The measuring turbine shall have sufficient dimensional stability to retain operating clearances at the full range of working temperatures. F. All external case c

20、losures, such as rings, clamps, screws, bolts, cap bolts, nuts and washers shall be designed for easy removal following lengthy service. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-10 22 05 19 - 4 G. The turbine meter shall have flanged ends a

21、nd supplied with companion flanges, gaskets, and with bolts and nuts. The companion flanges shall be made of cast iron. H. The meter shall not register less than 97% and not more than 103% of the water actually passing through it at any rate of flow within the normal test flow limits specified in AW

22、WA 701. 2.3 COMPOUND WATER METER. A. The compound water meter water meter shall be a combination of a main line meter of the turbine type and a meter of appropriate size for measuring low rates of flow. The compound meter shall have an automatic valve mechanism for diverting low rates of flow throug

23、h the bypass meter. Both metering devices shall be provided with registers contained in the same case. The operating characteristics shall fully conform to AWWA C702. Peak domestic flow rate shall be _L/S (_ gpm). The bypass meter flow rate shall be be _L/S (_ gpm). Each Register shall indicate in l

24、iters (U.S. gallons). B. The water meter shall be rated for use at temperatures ranging from -40 C (-40 F) and +70 C (158 F) and operate at a working pressure of 1034 kPa (150-psig). C. the main case shall be made of copper alloy containing no less than 75% copper. D. The register box rings and lids

25、 shall be made of a cast copper alloy E. the measuring chambers shall be made of a copper alloy containing not less than 84% copper. F. The measuring turbines shall be made of vulcanized hard rubber with specific gravity approximately equal to that of water. The measuring turbines shall have suffici

26、ent dimensional stability to retain operating clearances at working temperatures. G. The turbine meter shall have flanged ends and supplied with companion flanges, gaskets, and with bolts and nuts. The companion flanges shall be made of cast iron. H. The meter shall not register less than 97% and no

27、t more than 103% of the water actually passing through it at any rate of flow within the normal test flow limits specified in AWWA 702 except in the registration of flows within the changeover period from bypass meter to main meter. Provided by IHSNot for ResaleNo reproduction or networking permitte

28、d without license from IHS-,-,-02-10 22 05 19 - 5 2.4 WATER METER STRAINER A. All meters sizes 50 mm or DN50 (2 inches) and above, shall be fitted with a bronze inlet strainer with top access. The strainer shall conform to AWWA 702. 2.5 WATER METER PROGRAMMING A. All meters 50 mm or DN50 (2 inches)

29、and above shall be programmable with software supplied by the meter manufacturer. B. The software shall have a Microsoft based interface and operate on the latest Windows operating system. The software shall allow the user to configure the meter, troubleshoot the meter, query and display meter param

30、eters, and configure data and stored values. C. The meter firmware shall be upgradeable through one of the communication ports without removing the unit from service. D. the meter shall include output for analog 4-20 milliamp signals and binary output. E. The meter shall have two dry contact relays

31、outputs for alarm or control functions. 2.6 WATER METER COMMUNICATION PROTOCOL A. The meter shall use a native BACnet Ethernet communication protocol supporting /HTTP/ /SMTP/ /Modbus/. The communications shall be protected against surges induced on its communications channels. 2.7 PRESSURE GAGES FOR

32、 WATER AND SEWAGE USAGE A. ANSI B40.1 all metal case 114 mm (4-1/2 inches) diameter, bottom connected throughout, graduated as required for service, and identity labeled. Range shall be 0 to 1375 kPa (0 to 200 psi) gauge. B. The pressure element assembly shall be bourdon tube. The mechanical movemen

33、t shall be lined to pressure element and connected to pointer. C. The dial shall be non-reflective aluminum with permanently etched scale markings graduated in kPa and psi. D. The pointer shall be dark colored metal. E. The window shall be glass. F. The ring shall be brass or stainless steel. G. The

34、 accuracy shall be grade A, plus or minus 1 percent of middle half of scale range. PART 3 - EXECUTION 3.1 INSTALLATION A. Direct mounted pressure gages shall be installed in piping tees with pressure gage located on pipe at the most readable position. Provided by IHSNot for ResaleNo reproduction or

35、networking permitted without license from IHS-,-,-02-10 22 05 19 - 6 B. Valves and snubbers shall be installed in piping for each pressure gage. C. Test plugs shall be installed on the inlet and outlet pipes all heat exchangers or water heaters serving more than one plumbing fixture. D. Pressure gag

36、es shall be installed where indicated on the drawings and at the following locations: 1. Building water service entrance into building 2. Inlet and outlet of each pressure reducing valve 3. Suction and discharge of each domestic water pump or re-circulating hot water return pump. E. Water meter inst

37、allation shall conform to AWWA C700, AWWA C701, and AWWA C702. Electrical installations shall conform to IEEE C2, NFPA 70 (National Electric Code), and to the requirements specified herein. New materials shall be provided. F. Each water meter shall communicate with the building energy management and

38、 control system and report daily water consumption and peak daily flow rate. 3.2 FIELD QUALITY CONTROL A. The meter assembly shall be visually inspected and operationally tested. The correct multiplier placement on the face of the meter shall be verified. 3.3 TRAINING A. A training course shall be p

39、rovided to the medical center on meter configuration and maintenance. Training manuals shall be supplied for all attendee with four additional copies supplied. The training course shall cover meter configuration, troubleshooting, and diagnostic procedures. - - - E N D - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-