36C25819B0020-016.docx
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| Remove and Replace Drains and Drain Lines | TASK ORDER NO.605-20-206 | |
| VA LOMA LINDA HEALTHCARE SYSTEM | Date: 01/18/2019 |
CONSTRUCTION DOCUMENT (CD)
SECTION 22 05 19
METERS AND GAGES FOR PLUMBING PIPING
PART 1 - GENERAL
1.1 DESCRIPTION
| A. | This section describes the requirements for water meters and gages primarily used for troubleshooting the system and to indicate system performance. |
| B. | A complete listing of all acronyms and abbreviations are included in Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING. |
1.2 RELATED WORK
| A. | Section 01 00 00, GENERAL REQUIREMENTS. |
| B. | Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES. |
| C. | Section 01 81 11, SUSTAINABLE DESIGN REQUIREMENTS. |
| D. | Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING. |
| E. | Section 25 10 10, ADVANCED UTILITY METERING SYSTEM. |
1.3 APPLICABLE PUBLICATIONS
| A. | The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. |
| B. | American Society of Mechanical Engineers (ASME): |
| B40.100-2013 | Pressure Gauges and Gauge Attachments |
| B40.200-2008 | Thermometers, Direct Reading and Remote Reading |
| C. | American Water Works Association (AWWA): |
| C700-2009 | Standard for Cold Water Meters, Displacement Type, Bronze Main Case |
| C701-2012 | Cold Water Meters-Turbine Type, for Customer Service |
| C702-2010 | Cold Water Meters – Compound Type |
| C706-2010 | Direct-Reading, Remote-Registration Systems for Cold-Water Meters |
| D. | Institute of Electrical and Electronics Engineers (IEEE): |
| C2–2012 | National Electrical Safety Code (NESC) |
| E. | International Code Council (ICC): |
| IPC2012 | International Plumbing Code |
| F. | National Fire Protection Association (NFPA): |
| 70–2011 | National Electrical Code (NEC) |
| G. | NSF International (NSF): |
| 61-2012 | Drinking Water System Components – Health Effects |
| 372-2011 | Drinking Water System Components – Lead Content |
1.4 SUBMITTALS
| A. | Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES. |
| B. | Information and material submitted under this section shall be marked “SUBMITTED UNDER SECTION 22 05 19, METERS AND GAGES FOR PLUMBING PIPING”, with applicable paragraph identification. |
| C. | Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity. |
| 1. | Water Meter. |
| 2. | Pressure Gages. |
| 3. | Thermometers. |
| 4. | Product certificates for each type of meter and gage. |
| 5. | BACnet communication protocol. |
| D. | Operations and Maintenance manual shall include: |
| 1. | System Description. |
| 2. | Major assembly block diagrams. |
| 3. | Troubleshooting and preventive maintenance guidelines. |
| 4. | Spare parts information. |
| E. | Shop Drawings shall include the following: One line, wiring and terminal diagrams including terminals identified, protocol or communication modules, and Ethernet connections. |
1.5 AS-BUILT DOCUMENTATION
| A. | Submit manufacturer’s literature and data updated to include submittal review comments and any equipment substitutions. |
| B. | Submit copies of complete operation and maintenance data updated to include submittal review comments, substitutions and construction revisions shall be inserted into a three ring binder per the requirements of Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES. All aspects 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 include troubleshooting techniques and procedures for emergency situations. A list of 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 50 mm (2 inches) and smaller, 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 use at temperatures ranging from -40 degrees C (-40 degrees F) and 70 degrees C (158 degrees F) and operate at a working pressure of 1035 kPa (150 psig). |
| C. | The meter case, bottom caps, and register box lids shall be constructed from cast bronze. |
| D. | The meter shall register plus or minus 3 percent of the water actually passing through it at any rate of flow within the normal test flow limits specified in AWWA 700. |
| E. | The water meter shall conform to NSF 61 and NSF 372. |
2.2 WATER METER STRAINER
| A. | All meters shall be fitted with a factory installed integral strainer or bronze inlet strainer with top access. The strainer shall conform to AWWA C702. |
| B. | The water meter strainer shall conform to NSF 61 and NSF 372. |
2.3 WATER METER PROGRAMMING
| A. | All meters 50 mm or DN 50 (2 inches) 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 parameters, 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 outputs for alarm or control functions. |
2.4 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.
2.5 REMOTE READOUT REGISTER
A. All meters shall be equipped with a remote readout register in accordance with AWWA C706.
2.6 PRESSURE GAGES FOR WATER AND SEWAGE USAGE
| A. | ASME B40.100 all metal case 115 mm (41/2 inches) diameter, bottom connected throughout, graduated as required for service, and identity labeled. Range shall be 0 to 1380 kPa (0 to 200 psig) gage. |
| B. | The pressure element assembly shall be bourdon tube. The mechanical movement 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 psig. |
| 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 accuracy shall be grade A, plus or minus 1 percent of middle half of scale range. |
| H. | The pressure gage for water domestic use shall conform to NSF 61 andNSF 372. |
2.7 THERMOMETERS
A. Thermometers shall be straight stem, metal case, red liquid-filled thermometer, approximately 175 mm (7 inches) high, 4 degrees C to 100 degrees C (40 degrees F to 212 degrees F). Thermometers shall comply with ASME B40.200.
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. |
| 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 of all heat exchangers or water heaters serving more than one plumbing fixture. |
| D. | Pressure gages 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 installation shall conform to AWWA C700, AWWA C701, and AWWA C702. Electrical installations shall conform to IEEE C2, NFPA 70, and to the requirements specified herein. New materials shall be provided. |
| F. | Remote readout register shall be mounted at the location indicated on the drawings or as directed by the COR. |
| G. | Thermometers shall be installed on the water heater inlet and outlet piping, thermostatic mixing valve outlet piping, and the hot water circulation pump inlet piping. |
| H. | If an installation is unsatisfactory to the COR, the Contractor shall correct the installation at no cost to the Government. |
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 provided to the medical center on meter configuration and maintenance. Training manuals shall be supplied for all attendees with four additional copies supplied. The training course shall cover meter configuration, troubleshooting, and diagnostic procedures.
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