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Washington Suburban Sanitary Commission, 2011 WSSC Plumbing & Fuel Gas Code Effective Date: February 1, 2011
| Published By | Publication Date | Number of Pages |
| MD | N/A | 167 |
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PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 2011 WSSC PLUMBING & FUEL GAS CODE Effective Date: February 1, 2011 CERTIFICATION OF AUTHORITY |
| 3 | TABLE OF CONTENTS |
| 13 | CHAPTER 1 ADMINISTRATION SECTION 101 GENERAL 101.1 Title. These regulations may be cited as the “WSSC Plumbing and Fuel Gas Code,” hereinafter referred to as “this Code.” 101.2 Purpose. The purpose of this Code is to provide minimum requirements and standards regarding plumbing and fuel gas systems for the protection of the public health, safety and welfare. The purpose of this Code is not to create or otherwise esta… 101.3 Adoption of Model Codes |
| 15 | SECTION 102 APPLICABILITY |
| 20 | SECTION 103 COMMISSION FUNCTIONS |
| 21 | SECTION 104 DUTIES AND POWERS OF THE COMMISSION |
| 22 | APPROVAL |
| 25 | SECTION 106 PERMITS |
| 34 | SECTION 107 INSPECTIONS AND TESTING |
| 40 | VIOLATIONS AND PENALTIES |
| 45 | SECTION 109 APPEAL OF CODE OFFICIAL DECISIONS |
| 46 | SECTION 110 THEFT OF COMMISSION SERVICES |
| 47 | SECTION 111 CONNECTION TO THE COMMISSION’S SYSTEMS AND METERING |
| 53 | SECTION 112 PLUMBING AND FUEL GAS BOARD |
| 54 | SECTION 113 LICENSES AND REGISTRATION |
| 60 | SECTION 114 TRADE QUALIFICATIONS AND EXAM |
| 64 | SECTION 115 RECIPROCITY OF LICENSES |
| 67 | DEFINITIONS SECTION 201 GENERAL SECTION 202 ADDITIONAL DEFINITIONS |
| 75 | CHAPTER 3 ADOPTION OF INTERNATIONAL PLUMBING CODE SECTION 301 GENERAL SECTION 302 AMENDMENTS TO THE INTERNATIONAL PLUMBING CODE |
| 87 | 1003.8.1 General 1003.8.2 Size |
| 88 | 1003.8.3 Parking Garages 1003.8.4 Vehicle Washing Facilities 1003.8.5 Vehicle Service Facilities |
| 91 | CHAPTER 4 ADOPTION OF INTERNATIONAL FUEL GAS CODE SECTION 401 GENERAL SECTION 402 AMENDMENTS TO THE |
| 93 | CHAPTER 5 CROSS CONNECTION CONTROL SECTION 501 GENERAL SECTION 502 APPLICABILITY |
| 95 | SECTION 503 CUSTOMER’S RESPONSIBILITIES 503.1 Backflow Notification. The customer shall immediately notify WSSC if there is reason to believe that backflow has or may have occurred. This shall include private water system, plumbing fixture, equipment utilizing water, or any building system … 503.2 Testing and Maintenance of Backflow Preventers. The customer, at their own expense, shall purchase, install, operate, test and maintain approved backflow-preventers as directed by WSSC. The customer shall immediately correct any malfunction of a… 503.3 Licensed Cross-Connection Technician. The customer shall be responsible for hiring a cross-connection technician (who is employed by a registered and insured Master Plumber), to perform the installation, testing and maintenance on his/her backfl… 503.4 Elimination of Cross-Connections. The customer shall be responsible for the elimination of, or protection against, cross-connections on their premises. 503.5 Record Keeping. The customer shall be responsible for maintaining all necessary records on backflow-prevention assemblies and/or devices installed on their premises. 503.6 Change of Use. The customer shall immediately contact WSSC when the use of his/her property changes. WSSC shall then reassess the hazard classification of the property and determine if an inspection is warranted. 503.7 Backflow Preventers Out of Service. The customer shall notify WSSC in writing of any backflow preventers that have been taken out of service. SECTION 504 |
| 96 | SECTION 505 SELECTION OF BACKFLOW PREVENTERS |
| 101 | 506.1 Plumbing Fixtures. The supply lines and fittings for every plumbing fixture shall be installed so as to prevent backflow. Plumbing fixture fittings shall provide backflow protection in accordance with ASME A112.18.1. 506.2 Devices, appurtenances, appliances and apparatus. All devices, appurtenances, appliances and apparatus intended to provide some special function, such as sterilization, distillation, processing, cooling, or storage of ice or food, and that conne… |
| 102 | 506.6.2 Private Water Supplies and Secondary Sources of Water. For private water supplies and secondary sources of water, an air-gap separation or a reduced-pressure principle backflow-prevention assembly shall be installed at the interconnection beca… 506.6.3 Used Waters and Industrial Fluids. For used waters and industrial fluids, an air-gap separation or a reduced-pressure principle backflow-prevention assembly shall be installed where there is a high hazard. 506.7 Fire Hydrant Meters and Backflow Preventers for Temporary or Seasonal Use. 506.7.1 General. WSSC may authorize use of a fire hydrant water meter to applicants requiring water for temporary use as follows: 506.7.2 Small Hydrant Meter. A WSSC small hydrant meter (3/4inches) shall include an integral hose-connected vacuum breaker (ASSE 1011). 506.7.3 Large Hydrant Meter. For a WSSC large hydrant meter (3 inches), the applicant shall provide a reduced pressure principle backflow assembly (ASSE 1013) suitable for high-hazard applications. The assembly must carry a satisfactory test tag curre… 506.7.4 Fire Hydrant’s Use Restrictions. Fire hydrant use shall be restricted to temporary or seasonal applications such as, but not limited to: Tank-truck filling, temporary water for construction sites, special events (e.g., charity walks, fairgroun… 506.8 Parallel Systems. In commercial applications and in R-3 occupancies where a 13R fire sprinkler system is specified, multiple water systems may be established in parallel as follows: 506.8.1 Fire Sprinkler Systems – shall be the first supply branch; this branch may be ahead of an inside domestic meter providing a detector meter type BFP is used; see 502.5.2 and 502.5.4 below. 506.8.2 Irrigation – branch shall be downstream of an inside meter; ahead of pressure reducing station, if applicable; backflow commiserate with hazard. 506.8.3 Domestic – branch shall be downstream of an inside meter; containment backflow commiserate with hazard. |
| 103 | 506.9 Automatic Residential Fire Sprinkler Systems. On residential buildings equipped with an NFPA 13D residential fire sprinkler system, the tee feeding the residential fire sprinkler system shall be located on the outlet side of the meter. Potable w… 506.10 Automatic Commercial Fire Sprinkler Systems. Where potable water is used to serve or supplement a fire sprinkler system, backflow prevention shall be as follows; |
| 104 | SECTION 507 507.1 Installation Dimensions. Installation dimensions shall conform to Table 5.1. Double check detector assemblies (ASSE 1048) and reduced-pressure detector assemblies (ASSE 1047) shall be installed in accordance with WSSC’s Standard Details for Con… 507.2 Accessibility. 507.2.1 General. Backflow preventers shall have access for maintenance, replacement and testing. Backflow preventers shall not be installed where platforms, ladders or lifts are required for access. Backflow preventers shall be installed inside buildi… |
| 106 | 507.5.3 Full-Flow Characteristic Valves. Full-flow characteristic valves; either ball type or resilient seated gate type shall be installed on all assemblies. 507.6 Other Installation Requirements. 507.6.1. Bypass Arrangements. Bypass arrangements shall be permitted around backflow preventers provided equivalent protection is installed on the bypass line. 507.6.4 Prohibited Locations. Backflow preventers designed to vent to atmosphere and potable system drainage valves (such as stop and waste or boiler drain type), shall not be installed in pits, vaults or similar submerged areas and shall not be insta… 507.6.5 Common Service. For new construction wherein a common service splits into separate fire and domestic lines inside the property, backflow-prevention assemblies or devices shall be located after the split with no assembly or device required on t… 507.6.6 Pumps and other appliances. Water pumps, filters, softeners, tanks and all other devices that handle or treat potable water shall be protected against contamination. 507.6.7 Booster Pumps. Booster pumps for fire protection systems, domestic water, or local system/equipment enhancement shall be installed on the downstream side of the respective backflow preventers. 507.6.8 Reutilization prohibited. Water utilized for the cooling of equipment or other processes shall not be returned to the potable water system. Such water shall be discharged into a drainage system through an air gap or shall be utilized for non-p… |
| 107 | 507.6.9 Reuse of piping. Piping that has been utilized for any purpose other than conveying potable water shall not be utilized for conveying potable water. 507.6.10 Painting of water tanks. The interior surface of a potable water tank shall not be lined, painted, or repaired with any material that changes the taste, odor, color or potability of the water supply when the tank is placed in, or returned to,… |
| 109 | WSSC WATER METERS SECTION 601 GENERAL SECTION 602 WATER METER SELECTION |
| 110 | Table 602.1 |
| 111 | SECTION 603 OUTSIDE WATER METERS |
| 112 | INSIDE WATER METERS |
| 117 | CHAPTER 7 SITE-UTILITY SYSTEMS SECTION 701 GENERAL |
| 118 | SECTION 702 DESIGN |
| 120 | SECTION 703 PERMITS SECTION 704 |
| 122 | SECTION 705 |
| 123 | SECTION 706 |
| 124 | SECTION 707 |
| 127 | CHAPTER 8 INDUSTRIAL AND SPECIAL WASTE SECTION 801 APPLICABILITY |
| 134 | SECTION 802 GENERAL PROVISIONS |
| 135 | SECTION 803 GENERAL DISCHARGE REQUIREMENTS |
| 136 | SECTION 804 PROHIBITED DISCHARGES |
| 139 | Conventionals Concentration (mg/l) (except as indicated) |
| 140 | SECTION 805 STORAGE OF PROHIBITED, TOXIC, OR HAZARDOUS SUBSTANCES SECTION 806 DISCHARGE AUTHORIZATION PERMITS |
| 145 | SECTION 807 RIGHT OF ENTRY |
| 146 | SECTION 808 REPORTING REQUIREMENTS |
| 148 | SECTION 809 SAMPLING AND ANALYSES |
| 149 | SECTION 810 PENALTIES |
| 150 | SECTION 811 PUBLIC NOTICE OF VIOLATIONS |
| 151 | SECTION 812 LIABILITY FOR EXPENSES |
| 152 | SECTION 813 NOTICE SECTION 814 HAULED WASTES |
| 155 | SECTION 815 FEES |
| 156 | SECTION 816 UPSET PROVISION (Categorical Industrial Users only) |
| 157 | SECTION 817 BYPASS PROVISION |
