Plumbing Code Report.pdf

GROUP 3: TOPIC: UNIT 3 NATIONAL PLUMBING CODE OF THE PHILIPPINES MEMBERS: Esteva, Lenbert Asupra, Eliza Lou Malabo, Chylie Palma, King Zergie Ubas, Deniel Lagoc, Andre Maven Bigcas, Seth...

GROUP 3: TOPIC: UNIT 3 NATIONAL PLUMBING CODE OF THE PHILIPPINES MEMBERS: Esteva, Lenbert Asupra, Eliza Lou Malabo, Chylie Palma, King Zergie Ubas, Deniel Lagoc, Andre Maven Bigcas, Seth Laurence GROUP 3 UNIT 3: REVISED PLUMBING CODE OF THE PHILIPPINES CHAPTER 1: ADMINISTRATION Section 100 - PERMIT REQUIRED To ensure compliance of the provisions of this Code, the professional services of a Registered and Licensed Master Plumber shall be enlisted in accordance with Republic Act No. 1378, the "Plumbing Law" It shall be unlawful for any person, firm or corporation, whether acting as principal, servant, agent or employee, to do or cause to be done any plumbing or drainage work for which a permit is required without securing prior permit from the Office of the Building Official Section 101 : TO WHOM PERMITS MAY BE ISSUED No permit shall be issued to any person, film or corporation, to do or cause to be done any installation of plumbing work regulated by this code, except to a registered and Licensed Master Plumber, holding a valid unexpired and unvrevoked certificate of registration as required by the Republic Act. No 1378 SECTION 2: Application of permit 102 Application - A Registered and Licensed Master Plumber shall file an application at the Office of the Building Official in behalf of the building Owner for whom such work shall be done and shall till out the forms provided for that purpose. Every application shall: 102.1.1 Identify and describe the plumbing work to be covered by the pemit for which an application is made 102.1.2 - Describe the land upon which the proposed plumbing work is to be done, legal description, street address or similar description that will readily identify and locate the proposed building or work; 102.1.3 - Indicate the use or occupancy for which the proposed plumbing work is intended. 102.1.4 Be accompanied by plans, drawings, diagrams, computations, technical.specifications, and other data as required in Subsection 102.2 102.1.5 - Give such other data and information as required by the Administrative Authority; 102.1.6 - Be signed by Owner or permittee, who is required to submit evidence to indicate such authority; and 102.1.7 - Be signed and sealed by the Registered and Licensed Master Plumber. 102.2 PLAN AND SPECIFICATIONS All plumbing plans, drawings. diagrams, design analyses/computations as required, technical specifications, bills of materials and other required documents for all types of occupancy shall be prepared, signed and sealed by a Registered and Licensed Master Plumber. without limitations. pursuant to Republic Act 1378, as amended. and shall be submitted in six (6) sets of the aforementioned requirements with each application for a permit. 102.3 - Information on Plans and Specification shall be drawn to scale on tracing paper or cloth and shall be of sufficient clarity to indicate the location, nature and extent of the work proposed showing in detail, conformance with the provisions of this Code, relevant laws, SECTION 3 – PERMIT ISSUANCE 103.1 - The application, plans, technical specifications and other required documents filed by an applicant for a permit shall be reviewed by the Administrative Authority. 103.1.2 When the Administrative Authority issues the permit he shall endorse in writing or stamp the plans and specifications as "APPROVED". Such approved plans and specifications shall not be changed, modified or altered without authorization from the Administrative Authority. 103.1.3 - The Administrative Authority may issue a Partial Permit for the construction of a part of a large and/or complicated plumbing system before the entire plans and specifications for the whole system have been submitted or approved, provided adequate information and detailed statements have been filed, complying with all pertinent requirements of this Code 103.2 Retention of Plans - One set of approved plans, specifications, computations and related data shall be retained by the Administrative Authority. Two (2) sets of approved plans, specifications and data shall be returned to the applicant and Owner, one ( 1) set of which shall be kept at the jobsite at all times while the work is in progress 103.3: Validity of Permit - The issuance of a permit or approval of plans and specifications shall not be construed as a permit to violate any provision of this Plumbing Code or of any other applicable ordinances. - The issuance of a permit based on submitted plans. specifications or other documents shall not prevent the Administrative Authority from thereafter requiring the correction of errors on said plans, specifications and other documents. 103.4 Expiration - A plumbing permit issued under the provisions of this Code shall expire and become null and void if the plumbing work authorized therein is not commenced within one year from the date of such permit or if the plumbing work so authorized is suspended or abandoned at any time after having been commenced for a period of 120 days. *103.5 Suspension or Revocation - The Administrative Authority may, in writing, suspend or revoke a permit issued under the provisions of this Code whenever issued in error or on the basis of incorrect information supplied or in violation of pertinent ordinances, rules and regulations. Section 104- APPLICATION FOR EXISTING PLUMBING SYSTEM 104.1 - Additions, Alterations or Repair - may be made to any existing plumbing system provided the addition, alteration or repair works conform to requirements for a new plumbing system. Additions, alterations or repairs shall not render an existing system unsafe, unsanitary or overloaded. 104.2 - Changes in Building Occupancy- Plumbing systems which are a part of any building or structure undergoing a change in use or occupancy, as defined in the National Building Code, shall comply with all requirements of this Code applicable to the changed use or occupancy. 104.3 Maintenance - All plumbing systems, materials and appurtenances, both existing and new, and all parts thereof shall be maintained in proper operating condition. All devices or safeguards required by this Code shall be maintained in conformance with the existing Code edition at the time the plumbing system was installed. The owner or his designated agent shall be responsible for the maintenance of plumbing systems. To determine compliance with this subsection, the Administrative Authority may cause the re-inspection of any plumbing system. 104.4 Moved Buildings - Plumbing systems, which are part of buildings or structures in one place and moved into another Jurisdiction. shall comply with the provisions of this Code for new installation. Section 105 - INSPECTIONS 105.1 General - All plumbing systems for which permits are required by this Code shall be inspected by the Administrative Authority. No portion of any plumbing svstem shall be concealed until inspected and approved. The Administrative Authority or his representative shalt not be liable for expenses incurred in the removal and replacement of materials required to warrant proper inspection.. 105. 2 Operation of Plumbing Equipment- The requirements of this Section do not prohibit the operation or use of any plumbing accessory installed to replace existing equipment or fixtures serving an occupied portion of the building when a request for inspection of such equipment or fixtures has been filed with the Administrative Authority not more than 72 hours after such replacement work is completed and before any portion of such plumbing system is concealed by any permanent portion of the building. 105.3 Testing of Systems - All plumbing systems shall be tested and approved as required by this Code or the Administrative Authority. 105.4 lnspection Requests - It shall be the duty of the person doing the plumbing work authorized by a permit to notify the Administrative Authority that such work is ready for inspection. The Administrative Authority requires that every request for inspection be filed at least three (3) working days before such inspection is intended. Such request shall be in writing and jointly signed by the Owner and the Registered and Licensed Master Plumber- Contractor. 105.5 Other lnspections - ln addition to the inspections required by this Code, the Administrative Authority may require other inspections of the plumbing work to comply with the other provisions of this Code, other pertinent laws and ordinances enforced by the Administrative Authority. 105.6 - Reinspections 105.6.1 A fee will be charged on the Applicant for each inspection or reinspection when a portion of the plumbing work for inspection is called for is not completed. 105.6.2 This provision shall not be interpreted as requiring re-inspection fees for the first time a job is rejected for failure to comply with the requirements of this Code, but as deterrent on the practice of calling for inspections before the job is ready for inspection or re-inspection. 105.6.3 Re-inspection fees shall be charged when the approved plans are not readily available to the Inspector, for failure to provide access and facility on the date when the inspection is requested, or for deviating from plans requiring the approval of the Administrative Authority. 105.6.4 To obtain re-inspection, the Applicant shall file an application, in writing, on a form furnished for that purpose and pay the re-inspection fee. 105.6.5 In instances where re-inspection fees have been assessed, but pending payment of required fees, no re-inspection of the work will. be performed. CHAPTER 2: Section 201 For the purpose of this Code, the following terms shall bear the meanings indicated in this Chapter. 202.1 ABS - Acrylonitrile-Butadiene·Styrene 202.2 ALLEY - any public space. public park or thoroughfare less than three (3) meters but not less than two (2) meters in width dedicated or deeded for public use. 202.3 ALTER or ALTERATION - any change, addition or modification i.1 construction or occupancy 202.4 ACCESSIBLE - when applied to a fixture, connection, appliance or equipment, shalt mean having access thereto, but which may require prior removaJ of an access panel, door or similar obstruction. "Readily accessible" shall mean direct access without the necessity of removing any panel, door or similar obstruction. 202.5 AIRBREAK - a physical separation. which may be a low inlet into the indirect waste receptor from the fixture, appliance or device indirectly connected. 202.6 AIR GAP, DRAINAGE - the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe, plumbing fixture, appliance or appurtenance conveying waste to the flood level rim of the receptor 202.7 - AIR GAP, WATER DISTRIBUUTION- an unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet conveying potable water to the flood-level rim of any tank, vat or fixture. 202.8 - APPROVED - accepted or acceptable under an applicable specifications or standard stated or cited in this Code., or accepted as suitable for any proposed use under procedures and powers of the Administrative Authority 202.9 - APPROVED TESTING AGENCY - an organization primarily established t()r purposes of testing to approve standards and approved by the Administrative Authority 202.10 AUTHORITY, ADMINISTRATIVE - The Administrative Authority including the Building Ofiicial, the Commission, the Board and such other department or agency established and authorized to administer and enforce the provisions of Republic Act 1378 SECTION 203: “B” 202.1 BACKFLOW- the flow of water or other liquids, mixtures or substances into the distributing pipes of a potable supply of water from any source other than from its intended source. 203.2 BACKFLOW CONNECTION - condition or any arrangement whereby reverse flow can occur. 203.3 BACKPRESSURE BACKFLOW - occurs due to an increased reverse pressure above the supply pressure. This may be due to pumps, boilers, gravity or other sources of pressure. 203.4 BACKFLOW PREVENTER - device or means to prevent flow of liquid from returning to the source of supply. Also called vacuum breaker 203.5 BACK-SIPHONAGE - the flowing back of used, contaminated or · polluted water from a plumbing fixture or vessel into a water supply pipe due to a negative pressure in such pipe. See backflow. 203.6 BACKWATER VALVE - a device installed in a drainage system to prevent reverse flow 203.7 BALL COCK - a valve opened and closed by the fall and rise, respective! y, of an attached ball floating on the surface of the liquid. 203.8 BACKVENT PIPE - the part of a vent line, which connects directly with an individual trap underneath or behind the fixture and extends to the branch or main vent pipe at any point higher than the fixture or fixture traps it serves. This is sometimes called an individual vent. 203.9 BALL JOINT- a type of pipe connection in which a ball- shaped end is held in a cuplike shell and allows movements in 203.10 BATHROOM- a room equipped with a shower stall or bathtub 203.11 BATTERY OF FIXTURES - any of two or more similar adjacent fixtures which discharge into a common horizontal soil or waste branch. 203.12 BELL OR HUB - that portion of a pipe which, for a short distance, is sufficiently enlarged to reiceive the end of another pipe of the same diameter for the purpose of making rt caulked or push-on joint SECTION 204: “C” 204.1 CAULKING ·- plugging an opening with oakum, lead or other materials that are pounded into the annular space. Also, the material pounded into the annular opening 204.2 CAP a fitting, screwed or caulked over the end of a pipe for closing the pipe end. 204.3 CATCH BASIN - a receptacle in which liquids are retained for sufficientperiod of time to allow settleable material to deposit. 204.4 CERTIFIED BACKFLOW ASSEMBLY TESTER - a person who has shown competence to test and maintain backflow assemblies to the satisfaction of the Administrative Authority having jurisdiction. 204.5 CESSPOOL - a non-watertight lined excavation in.thl! ground which receives the discharge of a sanitary drainage system or part thereof, designed to retain the organic matter and solids discharging therefrom, Out permitting the liquid to seep through the bottom and sides of the cesspool. 204.6 CHASE- a vertical shaft for installation of different pipe stacks. 204.7 CHECK VAl.VE- a valve that automatically closes to prevent the flow of liquid or gas in a reverse direction 204.8 CIRCUIT VENT - a group vent pipe which starts in front of the extreme fixture connection on a horizontal branch and connects to the vent stack. 204.9 CODFE -The word ''Code" or "this Code," when U5ed alone, shall mean these regulations, subsequent amendments thereto or any emergency rule or regulation which the Administrative Authority having jurisdiction may lawfully adopt. 204.10 COMBINATION WASTE AND VENT SYSTEM - a specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common horizontal waste and vent pipe. adequately sized to provide free movement of air above the· flow line of the drain. 204.11 COMBUSTIBLE CONSTRUCTION - a structure which any part of its structural framework will ignite and burn at a temperature of 756 degrees centigrade or less. Section 205: “D” 205.1 DEAD-END - the extended portion of a pipe that is closed at one end to which no councctions arc made on the exl.cndcd portion, thus permitting the stagnation of liquid or air therein. 205.2 DEPARTMENT HAVING J URISDICTION - the Administrative Authority and includes any other law enforcement agency concerned by any provision of this Code, whether St1ch agency is specifically named or not. 205.3 DEVELOPED LENGTH - the length of a pipe along its centerline and fittings 205.4 DIAMETER-unless specifically stated, the term "diameter'' is the nominal diameter as designated commercially. I. D. denotes inside diameter of pipe and O.D. denotes outside 205.5DOMESTIC SEWAGE- the liquid and water-home wastes derived from the ordinary living processes, free from industrial wastes and of such character that permit satisfactory disposal without special treatment. It is discharged into the public sewer or into a private sewage disposal system. 205.6 DOUBLE-BEND FITTING -· a pipe fitting with adjacent reverse bends and shaped like the letter "S‘’ 205.7DOUBLE OFFSET- two offsets in succession or in series such that the centerlines of the outside ends are in the same straight line. Section 206: “E” 206.1 EFFECTIVE OPENING --is the minimum cross-sectional area at the point of water supply discharge measured or expressed in terms of: ( 1) diameter of a circle; (2) if the opening is not circular, the diameter of a circle of equivalent cross-sectional area. (This is applicable also to air gap installation.) 206.2 EXISTING WORK - the on-going installation of the plumbing system or any part thereof which has been installed prior to the effectivity of this Code. CHAPTER 3 General regulations Section 301 - DISPOSAL OF WASTEWATERS It shall be unlawful for any person to cause, suffer or permit the disposal of sewage, human excrement or other waste waters in any place or manner, except through and by means of an approved Excreta and Storm Drainage Systems installed and maintained in accordance with the provisions of this Code.  Section 302- GRADE OF HORIZONTAL DRAINAGE PIPING Horizontal drainage pipes shall be run in practical alignments and at a uniform slope between manholes of not less than 20 mm/m or 2% toward the point of disposal, provided that, where it is impracticable to obtain a 2% slope due to the following constraints in: ( 1) excessive depth of the proposed drainage line~ (2} structural and/or geological features of the terrain; and (3) existing adverse in arrangements of building or structure~ any such pipe or piping 102 mm or larger in diameter may have a slope of 10 mm/m or 1% provided it is first approved by the Administrative Authority. Section 303 - CHANGES IN DIRECTION OF DRAINAGE FLOW 303.1 Changes in direction of drainage piping shall be made by the use of approved pipe fittings and shall be of the angles presented by a 22 1/2° bend, 45° bend, 60° bend or other approved fittings of longer sweeps. 303.2 Horizontal drainage lines connecting to a vertical stack shall enter through 45° or 60° wye branches, combination wye and 1/8 bend branches, sanitary tee or other approved fittings of longer sweeps. No fitting having more than one inlet at the same level shall be used unless such fitting is constructed so that the discharge from one inlet cannot readily enter into the other inlet. Vertical installation of double sanitary tees may be used when the barrel of the fitting is at least two 303.3 Horizontal drainage lines connecting to other horizontal drainage lines shall enter through 45° wye branches, combination wye and 1/8 bend branches or other approved fittings of longer sweeps. 303.4 Vertical drainage lines connecting to horizontal drainage line shall enter through 45-degree branches, or other approved fittings of longer sweep Sixty (60) degree branches or offsets may be used only when installed in a true vertical position Section 304 - CONNECTIONS TO PLUMBING SYSTEM REQUIRED All plumbing fixtures, drains, appurtenances and appliances used to receive or discharge liquid wastes or sewage, shall be connected properly to the drainage systems of the building and premises, in accordance with the requirements of this Code. Section 305- SEWER REQUIRED 305.1 Every building where plumbing fixtures are installed shall have a sewer service connection to a public or private sewer systems except as provided in Subsection 305.2 of this section. 305.2 When a Public or Private Sewer is not available for use, excreta drainage piping from buildings and premises shall be connected to an approved Private Sewage Disposal System. Section 306 – DAMAGE DRAINAGE SYSTEM OR PUBLIC SEWER 306.1 It shall be unlawful for any person to deposit, by whatever means into any plumbing fixture, floor drain, interceptor, sump, receptacle or device, connected to the excreta and storm drainage systems, public sewer, private sewer, septic tank or cesspool, any ashes, cinders, solids, rags, flammable, poisonous or explosive liquids or gases; oils, greases or other things which would or could cause. damage to the drainage system or puhlic sewer. 306 2 Roofs, inner courts, vent shafts, light wells or similar areas having rainwater drains shall discharge outside of the building or to the gutter, and sha ll not be connected to the soil and waste pipe systems. Section 307 – Industrial Wastes 307.1 Wastes detrimental to the public sewer system or to the functioning of the sewage treatment plant shall be treated and disposed of as found necessary and as directed by the Administrative Authority or other authorities having jurisdiction 307.2 Sewage or other waste from a plumbing system which may be deleterious to surface or subsurface waters, shall not be discharged into the ground or into any waterway unless first rendered innocuous through subjection to some acceptable form of treatment. Section 308- LOCATION 308.1 Except as otherwise provided in this Code, no excreta plumbing system, storm drainage system, building drain, building sewer, private sewage disposal system or parts thereof, shall be located in any lot other than the lot where the site of the building, structure or premises are served by such facilities. 308.2 No subdivision, sale, or transfer of ownership of existing property shall be made in such a manner that the area, clearance, and access requirements of this Code are decreased or impaired. Section 309 -IMPROPER LOCATION Piping, fixtures or equipment shall not be so located to interfere with the normal function or use thereof or with the normal operation and use of windows, doors or other required facilities. Section 311 - PROHIBITED FITTINGS AND PRACTICES 311.1 No double hub fitting for lead-caulked joint in vertical position, single or double tee Branch; single or double tapped tee branch, side inlet quaner bend, running thread, band or saddle shall be used as a drainage titting, except that a double hub sanitary tapped tee may be used on vertical lines as a fixture connection. (Approved stainless steel bands with neoprene gaskets for jointing of hub less cast iron soil pipes are acceptable for use. 311.2 No drainage or vent p1pmg shall be drilled and tapped for making connections thereto, and no cast iron soil pipe shall be threaded. 311.3 No waste connection shall be made to a closet bend or stub of a water closet or similar fixtures. 3 311.4 Except as hereinafter provided in Sections 812, 813 and 814 of this Code, no vent pipe shall be used as a soil or waste pipe, nor shall any soil or waste pipe be used as a vent. Also, single drainage and venting systems with unvented branch lines are prohibited 311.5 No fitting, fixture and piping connections, appliance, device or method of installation which obstructs or retards the flow of water, sewage or air in the excreta and storm drainage and venting systems in an amount greater than the normal frictional resistance to flow, shall be used unless it is indicated as acceptable in this Code or approved by the Administrative Authority. 311.6 Except for necessary use of gate & check valves. where inter-membering or mixing of dissimilar metals occurs, the points of connection shall be con tined to exposed or accessible locations. 311.7 All valves. pipes and fittings shall be installed in correct relationship to the direction of flow. Section 312-INDEPENDENT SYSTEM The drainage system of each new building and of new work installed in any existing building shall be separate and independent from that of any other building and when available, every building shall have an independent connection with a private or public sewer. Section 313- REPAIRS AND ALTERATIONS 313.1 In existing building or premises where plumbing installations are to be altered, repaired or renovated, deviations from the provision of this Code are permitted, provided such deviations are necessary and first approved by the Administrative Authority. 313.2 Existing building sewer and building drain may be used in connection with a new building or new plumbing and drainage works only when they are found on examination and tested to conform in all respects to the requirements governing new work. and the proper Administrative Authority shall notify the owner to make changes necessary to conform to this Code. 313.3 All openings into a Sanitary drainage and vent system, except those openings to which plumbing fixtures are properly connected or which constitute vent terminals, shall be permanently plugged or capped in an approved manner. using the appropriate materials required by this Code Section 314- PROTECTION OF PIPING, MATERIALS AND STRUCTURES 314.1 All pipings passing under or through walls shall be protected from breakage with embedded metal pipe sleeves. All pipes passing through or under cinders or other corrosive materials shall be protected from external corrosion by encasing same with polyethylene sheath or in other approved manner. 314.2 All pipes in connection with the plumbing system shall be installed so that the piping or connections will not be exposed to undue strains or stresses, and provisions shall be made for pipe expansions and contraction, and bending due to structural settlement ~o pipe shall be directly embedded in concrete and masonry walls without metal sleeve. 314.3. The bottom of all pipe trenches deeper than the footing of any adjacent building or structure and parallel to it must be at least forty-five ( 45) degrees therefrom. unless permission is granted by the Administrative Authority. 314.4No building sewer or other drainage pipings or part thereof, constructed of materials other than that approved for use under or within the building, shall be installed under or within 0.6 meter of any building or structure, nor less than 0 3 meter below the finish ground surface. 314.5 Pipe surfaces subject to undue corrosion, erosion or mechanical damage shall be protected with approved material and manners such as inside lining, outside coating and proper bottom bedding and top shielding with concrete blocks. 315.2 Horizontal Pipings 315.2.1 Supports - horizontal pipes shall be supported at sufficiently close intervals to keep them in alignment and prevent sagging. 315.2.2 Cast Iron Soil Pipe- Where joints occur, suspended cast iron soil pipe shall be supported at not more than 1. 5 meters intervals; except that pipe exceeding I. S meters length, may be supported at not more than J meters intervals. Supp011s shall be adequate to maintain alignment and to prevent sagging and shall be placed within 0.45 meters of the hub or joiat. 315.2.3 Screwed Pipe- IPS except as provided in other Sections of this Code, shall be supported at approximately 3.0 meters intervals for piping 19.mm diam.eter and smaller and 3.6 meters intervals for piping 25 mm and larger in diameter. 315.2.4 Copper Tubing - shall be supported at approximately 1.8 :-t~ -: :..: 11 intervals for piping 38 mm diameter and smaller and 3.0 meters intervals for pipings 51 mm and larger in diameter 315.2.5 Lead Pipe - shall be supported by stiff metal or wooden backing for its entire length with hangers properly spaced. 315.2.6 In Ground - piping buried in the ground shall be laid on a firm bed for its entire length, except where concrete cradle support is provided, which is adequate and approved by the Administrative Authority. 315. 2. 7 Plastic Tube - shall be supported by stiff metal or wood backing with hangers in its entire length for small-size tubings up to 38 mm diameter and without backings but with spaced metal hangers at approved spacing for larger-size tubings. 315.3 Hangers and Anchors 315.3.1 Materials - for hangers and anchors shall be of sufficient strength to maintain their proportional share with the weight of the pipe and its content. 315.3.2 All pipings, fixtures and equipment shall be adequately anchored or supported to the satisfaction of the Administrative Authority. Section 316 - TRENCHING, EXCAVATION AND BACKFILL 316.1 Tunneling and driving may be done in yard, court or driveway of any building site. Where there is sufficient depth, tunneling may be used between open cut trench 316.2 Open Trenches - all excavations required to be made for the installation of a building drainage system or any part thereof, within the walls of a building, shall be open trench work and kept open until the piping has been inspected, tested and accepted. 316.3 All excavations shall he completely back-tilled as soon as possible after inspection. CHAPTER 4: PLUMBING FIXTURES  Section 401 - MATERIALS- GENERAL REQUIREMENTS Quality of Fixtures - plumbing fixtures shall be manufactured of dense, durable, non-absorbent materials and must have smooth impervious surfaces, free from unnecessary concealed fouling surfaces. Section 402 - MATERIALS- ALTERNATIVES Special-use fixtures may be made of soapstone) chemical stoneware or may be lined with lead, copper base alloy, nickel-copper alloy, corrosion- resisting steel or other materials specially suited for the use which the fixture is intended. Section 403 - OVERFLOWS When any fixture is provided with an overflow outlet,.the waste shall be so arranged that the standing water inside the fixture cannot rise inside the overflow way when the stopper is closed nor remain inside the overflow way when the fixture is empty. Section 404- STRAINERS AND CONNECTIONS 404.1 Strainers -all plumbing fixtures other than water closets and siphon action washdown or blowout urinals, shall be equipped with approved strainers having an approved waterway area. 404.2 Connections - Fixtures having concealed slip joint connections shall be provided with an access panel or utility at least 0.3 meter in its least dimension and arranged so that the 404.3 Continuous waste and fixture tailpiece shall be constructed from the materials specified on Table 14-4 of this Code for drainage piping, provided however, that such connections where exposed or accessible may be of seamless drawn brass not less than Gauge No. 20 8 & S or 0.8 rr,m in thickness. 404.4 Approved wye or other directional-type branch fittings shall be installed in all continuous wastes connecting or receiving the discharge from food waste disposal units, dishwashers, clothes w~hers or other forced-discharge fixtures or appliances. No dishwasher drain shall be connected to a sink tailpiece, continuous waste or trap on the discharge side of a food waste disposal unit. Section 405 - PROHIBITED FIXTURES 405.1 Use of water closets having invisible seats or unventilated space or having walls, which are not thoroughly washed out at each discharge, shall be prohibited. 405.2 Fixed wooden, concrete, cement, or tile washtrays or sinks for domestic use shall not be installed in any building designed for human habitation. No sheet metal lined wooden bathtubs shall be installed or reconnected. Section 406- SPECIAL FIXTYRES AND SPECIALTIES 406.1 Water Connections - baptistries~ ornamental and lily ponds, aquaria, ornamental fountain basins and similar constructions when provided with water supplies connected to potable water supply lines shall be protected from back-siphonage. 406.2 Wastewater Drain - for “sacrarium" cupsink at church altar and Baptistries font outlet shall discharge direct to the ground and not connected to the sanitary drainage system. 406.3 Approved - specialties requiring water supply and waste discharge c01mections shalt be submitted for approval of the Administrative Authority Section 407- INSTALLATION 407.1 Cleaning - plumbing fixture shall be installed in a manner to provide easy access for repair and cleaning. Where practical, all pipes from fixtures shaH be run parallel and dose to the nearest wall or building line. 407.2 Joints - where a fixture comes in contact with the wall or floor, the joint between the fixture and wall or floor shall be made watertight. 407.3 Securing fixtures- floor outlet or floor mounted fixtures shall be rigidly secured on the drainage connection and floor when so designed with the use of adequately-sized screws or expansion bolts of copper, brass or other equally corossion-resistant material 407.4 Wall-Hung Fixtures - wall-hung fixtures shall be rigidly supported by metal supporting members or chairs so that no bending or pullout strain is transmitted to the wall. Approved non-corrosive screws or bolts sha!l secure water closet and urinal flush tanks and similar appurtenances. 407.5 Setting - fixtures shall be set level and in proper alignment with reference to adjacent walls. No water closet or bidet shall be set closer than 0.315 meter from its center to any side wall or obstruction nor closer than 0.7 meter center to center to any similar fixture No urinal shall be set closer than 0.3 meter from its center to any sidewall or partition nor closer than 0.6 meter center to center 407.6 Supply Fittings - the supply lines or fittings for every plumbin3 fixture shall be installed to prevent backflow. Section 408 -URINALS An approved type vacuum breaker shall protect every water supply to a urinal or other approv~d backflow prevention device as described in Table 14-4 408.1 Automatic Flushing. Tanks- tanks flushing more than one urinal shall be automatic in operation and of sufficient capacity to provide the necessary volume of water to flush and properly cleanse all urinals simultaneously. Automatically controlled flushometer valves maybe substituted for automatic flush tanks. 408.2 Flushometer Valves -no manually controlled flushometer valve shall be used to flush more than one urinal and each such urinal flushometer valve shall be approved, self-closing type discharging a predetermined quantity of water. Section 409- FLOOR DRAINS AND SHOWER STALLS 409.1 Floor drains shall be considered plumbing fixtures and each drain shall be provided with an approved-type and hinged strainer plate having the sum of the areas of the small holes of the strainer plate or gross waterway is equivalent to the cross sectional area of the tailpiece. 409.2 Shower receptors are plumbing fixtures and shall conform to the general requirements. Each shower receptor shall be constructed of vitrified China or earthenware, ceramic tile, porcelainenameled metal or of such other material as may be acceptable to the Administrative Authority. 409.3 Each shower receptor shall be an approved type and be constructed to have a finished dam, curb or threshold which is at least 25.4 mm lower than the outside floor at the sides and back of such receptor 409.4 All shower compartments, regardless of shape, shall have a minimum finished interior area of 0.6 square meter, and shall also be capable of encompassing a 762 mm diameter circle 409.5 When the construction of on-site built-up shower receptors is permitted by the Administrative Authority, one of the following means shall be employed: 409.5.1 Shower receptors built directly on the ground: Shower receptors built directly on the ground shall be watertight and shall be constructed from approved-type dense, non- absorbent and non-corrosive materials. 409.5.2 Shower receptors built above ground: When shower receptors are built above ground the sub-floor and rough side of walls to a height of no less than 76 mm above the top of the finished dam or threshold shall be first lined with sheet lead or copper or with other durable and watertight materials. CHAPTER 5: Inspection and Test 501.1 INSPECTIONS 501.1.1 Scope - an new plumbing work and such portions of existing systems as may be affected by new work or any changes shall be inspected by the Administrative Authority to insure compliance with all the requirements of this Code and to assume that the installation and construction of the plumbing system are in accordance with approved plans and specifications. 501.1.2Advance Notice - it shall be the duty of the Registered and Licensed Master Plumber doing the work authorized by the permit to notify the · Administrative Authority that said work is ready for inspection. Such notification shall be given not less than three (3) days before the work is inspected. 501.1.3 Responsibility - it shall be the duty of the holder of a permit to make sure that the work will stand the tests prescribed before giving notification and provide all the testing equipment and facilities required. 501.1.4 Re-testing - if the Administrative Authority finds that the work will not pass the test, necessary corrections shalt be made, and the work shcll then be resubmitted for another test or inspections. The Pennittee shall be assessed an appropriate fee appearance. 501.1.5 Test - tests shall be conducted in the presence of the Administrative Authority or of his duly appointed representative. Section 502 – Maintenance The owner or his agent shall maintain the plumbing and drainage system of his premises under the jurisdiction of the plumbing authority in a sanitary and safe operating condition. Section 503- EXISTING CONSTRUCTION No provision of this Code shall be deemed to require a change in any portion of a plumbing or drainage system or any other work regulated by this Code in or on existing building or lot when such work was installed and is maintained in accordance with law in effect prior to the effective date of this Code. except when any such plumbing or drainage system or other work regulated by this Code is determined by the Administrative Authority to be in fact dangerous. unsafe, insanitary, or a nuisance and a menace to life, health or property Section 504- HEALTH AND SAFETY Whenever compliance with all the provisions of this Code fails to eliminate or alleviate a nuisance, or any other dangerous or insanitary condition which involve health or safety hazards. the Owner or his agent shall install such additional plumbing and drainage facilities or shall make such repairs or alteration as may be ordered by the plumbing authority. CHAPTER 6: WATER SUPPLY AND DISTRIBUTION Section 601 -RUNNING WATER REQUIRED Each plumbing fixture shall be provided with an adequate supply of potable running water so arranged as to flush and keep same in dean and healthful conditions without danger of backflow or cross-connection. SECTION 602 UNLAWFUL CONNECTIONS 602.1 No installation of potable water supply piping or part thereof shall be made in such a manner that it wiU be possible for used, unclean. polluted or contaminated water, mixtures, or substances to enter any portion of such piping system from any tar~ receptacle, equipment, or p~umbing fixture by reason of back-siphonage, by suction or any other cause, either dUiing normal use and operation thereof or when any such tanlr.., receptacle, equipment, or plumbing fixture is flooded, or subject to pressure in e-:.~ss of the operating pressure in the hot or cold water pipings. 602.2 No person shall make a connection or allow one to exist between pipes or conduits carrying domestic water supplied by any public or private water service system and any pipe, conduits or fixture containing or Carrying water from any other source or containing or carrying water which has been used for other purposes or any piping carrying chemicals, liquids, gases or any substances unless there is provided an approved backflow prevention device. 602.3 No plumbing fixture, device, or construction shall be installed or maintained or shall be connected to any domestic water supply when such installation or connection may provide a possibility of polluting such water supply or mav provide a cross-connection between potable water distributing system and water which become contaminated by such plumbing fixture, de"ice, or construction, unless there is provided an indirect connection or a backflow prevention device. 602.4 No water piping supplied by any private water supply system shall be interconnected to an approved city water supply system or any other source of supply without the approval of the Administrative Authority, Health Department, or other agencies. Section 603 - CROSS-CONNECTION CONTROL 603.1 No person shall install any water-operated equipment or mechanism or use any water treating chemical or substances, if it is found that such equipment, mechanism, chemical or substance may cause pollution or contamination of the domestic water supply. Such equipment or mechanism may be permitted only when equipped with an approved backflow prevention device assembly. 603.2 Backflow Prevention Devices, Assemblies, and Methods. 603.2.1 Airgap - the minimum airgap to provide backflow protection shall be in accordance with the Table 6-1. 603.2.2 Atmospheric Vacuum Breaker (AVB) - consists of a body, a checking member and an atmospheric opening. 603.2.3 Double Check Valve Backflow Prevention Assembly (DC) consists of two independently acting internally or externally loaded check valves, four properly located test cocks with cormectors and two isolation gate valves. 603.2.4 Pressure Vacuum Breaker Backflow Prevention Assembly (PVB)- consists of a loaded air inlet valve, an internally loaded check valve, two properly located test cocks and two isolation gate valves 603.2.5 Reduced Pressure Principle Backflow Prevention Assembly (RP) - consists of two independently acting internally loaded check valves, a differential pressure relief valve, four properly located test cocks and two isolation gate valves. 603.3 GENERAL REQUIREMENTS 603.3.1 All assemblies shall conform to listed standards and acceptable to the Administrative Authority having jurisdiction over the selection and installation of backflow prevention 603.3.2 The premises owner or responsible person shall have the backflow prevention assembly tested by a certified backflow assembly tester at the time of installation. repair relocation and at least on an annual schedule thereafter or more often when required by the Administrative Authority. 603.3.3 Access and clearance shall be provided for the required testing, maintenance and repair. Access and clearance shall require minimum of 305 mm space between the lowest porlion of the assembly and the grade, floor or platform 603.3.4 Direct connections between potable water pipings and sewer-connected wastes shall not exist under any condition with or without backflow protection. Where potable water is discharged to the drainage system, it shall be by means of an approved airgap of two (2) pipe diameters from the supply outlet and the top surface of the drainage inlet, but in no case shall 603.3.5 Backflow prevention for hot water over 43.3° C shall be a listed type assembly designed to operate at a temperature of 43.3° C or higher without rendering any portion of the assembly inoperative. 603.3.6 Fixtures, appliances or appurtenances with integral back flow preventers or integral airgaps manufactured as a unit shall be installed in accordance with their listed requirements. 603.4 SPECIFIC REQUIREMENTS 603.4.1 Water Closet and Urinal Flushometer Valves shall be equipped with a listed atmospheric vacuum breaker. The vacuum breaker shall be installed at the discharge side of the flushometer valve with the critical level at least 152 mm or the distance according to its listing above the overflow rim of a water closet howl or the highest patt of a urinal. 603.4.2 Water Closet and Urinal Tanks shall be equipped with a listed ballcock The ballcock shall be installed with the critical level at least 25 mm above the full opening of the overflow pipe. 603.4.3 Water Closet Flushometer Tanks shall be protected against backflow by an approved backtlow prevention assembly, device or method. 603.4.4 Heat Exchangers, and other assemblies or methods of constructions using potable water shall be of listed construction and materials. Potable water shall be separated from the fluids or gasses by a minimum of two separate walls, with a positive, vented leak detection path. 603.4.5 Inlets to Tanks, Vats, Sumps, Swimming Pools and other receptors when protected by a listed atmospheric vacuum breaker shall have sucb atmospheric vacuum breaker installed in the discharge side of the last valve with the critical level of not less than 152 mrn or in accordance with its listing above the flood level rim of such equipment, and ail downstream piping. 603.4.6 Lawn Sprinkling Systems shall be equipped with listed atmospheric vacuum breakers installed on the discharge side of each of the last shutoff valve 603.4.7 Potable Water Outlets with Hose Attachments other than water heater drains and clothes washer connections shall be protected by a listed non. removable hosebibb-type backflow preventer or by a listed atmospheric vacuum breaker installed at least 152 mm above the highest point of usage and located on the discharge side of the valve 603.4.8 A listed backflow preventer installed in accordance with the requirements of this Chapter shall protect water cooled Compressors, Oegreascrs or any other water-cooled equipment. 603.4 9 Water Inlets to Water Supplied Aspirators shall be equipped with a listed atmospheric vacuum breaker mounted at least 1 52 mm above the aspirator unit or equipped with a listed backflow preventer installed in accordance with its listed requirements and this Chapter. The discharge shall drain through an airgap. When using the tailpiece of a fixture to receive the discharge of an aspirator, the air gap shall be located above the flood level rim of the fixture. 603.4.10 Potable Water Make Up Connections to Steam or Hot Water Boilers shall be provided with a listed back now protection assembly. 603.4.11 Non-potable Water Piping. In cases where it is impractical to correct individual cross- ·connections in the domestic water line, the line supplying such outlets shall be considered a non-potable water line No drinking or domestic out.kts shall be connected to non-potable water line. 603.4.12 Potable Water Supply to Carbonators shall be protected by backflow protections device as approved by the Administrative Authority and installed per the requirements of this Chapter. 603.4.13 Back flow Preventers shall not be locatedd in any area containing fumes that arc toxic, poisonous and corrosive Section 604 – MATERlALS 604.1 Wate.r pressure pipes shall be ofb~ copper, centrifugal cast iron (CCI), B & S and F & F ends, ductile cast iron (DCI), galvanized wrought iron, galvanized steel, or other approved PE & PVC water pressure pipe manufactured to recognized standards may be used for cold 604.2 Cast iron fittings up to and including 51 mm in size, when used in connection with potable water piping shall be galvanized. 604.3 All small-sized malleable iron water fittings shall be galvanized. 604.4 Pipings and tubings. which were previously used for any purpose other than for potable water systems shall not he used. 604.5 Approved plastic materials may be used in water service piping, provided that where metal water service piping is used for electrical grounding purpose and replacement pipings therefore shall be oflike materials. 604.6 Solder shall conform to the requirements of Subscction 1302.4 604.7 Water pipes and fittings with a lead content that exceed eight (8) percent shall be prohibited and not used in potable piping systems. SECTION 605 – VALVES 605.1.1 Valves up to and including 51 mm in size shall be brass or other approved materials. Sizes over 51 mm may have cast iron or brass bodies. Each gate valve shall be a fullway type with working parts of non-corrosive materials. 605.1.2 A fullway gate valve controlling all outlets shall be installed on the discharge side of each water meter and on each unmetered water supply 605.3 A valve used to control two (2) or more openings shall be a fulllway gate valve. 605.4 Control gate valves shall be installed before each water-supplied appliance slip joint, supply pipings for non-metallic fixture and appliance. 605.5 All required shutoff or control valves shall be accessible 605.6 A single control gate valve shall he installed in a water supply line ahead of any automatic metering valve which supplies a battery of fixtures. Section 606 - GRAVITY SUPPLY TANKS 606.1 Elevated or gravity storage tank fur potable water supply shall be tightly covered to keep out unauthorized persons, dirt and vermin. The covers of gravity tanks shall be vented with a return-bend vent pipe having an area not less than the area of the down-feed riser pipe, and the vent shall be screened with a fine corrosion-resistant screen with openings not less than 14 nor more than 18 mess per 25 mm. 606.2 Potable water inlets to gravity tanks shall be controlled by a float valve, float switch or electrode-type water level control to prevent the tank from overflowing. 606.3 Gravity tanks shall be provided with a valved drain pipe and an overflow pipe screened as described in Subsection 606. 1.  BCE 321L CHAPTER 8 Indirect Waste Piping, Wet-Vented Systems and Special Wastes SECTION 801 INDIRECT WASTE CONDITIONS No evaporative cooler, air washer or similar air conditioning equipment 801.1 shall have any drain pipe in connection therewith, directly connected to any soil, waste and vent pipe. No cold storage room, refrigerator, cooling counter, compartment, receptacle, appurtenance or device used for the storage or holding of food or drink and no dishwashing or culinary sink in any food preparation 801.2 room used for soaking, washing or preparing ready·-to-serve food shall have any drain in connection therewith directly connected to any soil, waste or vent pipe. The airgap for drainage shall be not less than 25 mm between the 801.3 plumbing fixture, appliance or appurtenance outlet and the rim of the floor sink or receptor. SECTION 802 3 APPROVALS No plumbing fixtures served by indirect waste pipes or receiving discharge therefrom shall be installed until first approved by the Administrative Authority SECTION 803 4 INDIRECT WASTE PIPING Except as hereinafter provided, the size and installation of indirect waste piping shall be in accordance with other Sections of this Code applicable to drainage and vent piping. No vent from indirect waste piping shall combine with any excreta connected vent, but shall extend separately to the outside air. Indirect waste pipes exceeding 1.5 meters but less than 4.6 meters length shall be directly trapped, but such traps need not be vented. Indirect waste pipes less than 4.6 meters in length need not be larger in diameter than the drain outlet or tailpiece of the fix.ture, applianr.e or equipment served, but in no case less than I3 mm in diameter. Angles and changes of direction in such indirect waste pipes shall be provided with cleanouts to pemlit flushing and cleaning. SECTION 804 INDIRECT WASTE RECEPTORS 500,000 Target/Objective #1 Briefly explain the statistic. All plumbing fixtures or other receptors receiving the discharge of indirect waste pipes shall be approved for the use proposed and of such shape 804.1 95% and capacity to prevent splashing or flooding and shall be located where readily accessible for inspection and cleaning. Target/Objective #2 Briefly explain the statistic. No standpipe receptor for any clotheswasher shall extend more than 0.8 meter nor less than 0.45 m above its trap. 5 SECTION 804 INDIRECT WASTE RECEPTORS 500,000 Target/Objective #1 No trap for any Briefly clotheswasher standpipe receptor shall be installed below explain the statistic. 804.1 the floor, but shall be roughed no less than 15 cm and not more than 45 cm above the floor. 95% No indirect waste receptor shall be installed inTarget/Objective any toilet room,#2closet, Briefly explain the statistic. cupboard or storeroom nor in any other portion of a building not for general use by the occupants thereof, except that standpipes for clotheswasher may be installed in toilet and bathroom areas when the clotheswasher is instatled in the same room. 5 SECTION 804 INDIRECT WASTE RECEPTORS Where water service connections are installed for clotheswasher, 804.2 an approved method ofwaste disposal shall be provided. Every indirect waste interceptor receiving discharge containing 804.3 particks that clogs the receptor drain shall have a readily removable beehive strainer.  7 SECTION 805 PRESSURE DRAINAGE CONNECT Indirect waste connections shail be p:-ovided for drains, overflows or relief vents from the water supply system; and no piping or equipment carrying wastes or producing wastes, or other discharges under pressure shall be directly connected to any part ofthe drainage system. The foregoing shall not apply to any approved sump pump or to any approved pressure-wasting plumbing fixture or device when the Administrative Authority has satisfied himself that the drainage system is adequately sized to accommodate the anticipated discharge thereof. SECTION 806 3 STERILE No plumbing fixtures served by indirect waste pipes or receiving discharge therefrom shall be installed until first approved by the Administrative Authority SECTION 807 APPLIANCES Appliances, devices, equipment or other apparatus not regularly classified as plumbing fixtures equipped with pumps, drips or drainage 807.1 outlets may be drained by indirect waste pipes discharging into an approved-type open receptor. When the condensate waste from air conditioning coils is discharged by direct connection to a lavatory tailpiece or to an approved accessible 807.2 inlet or a bathtub overflow, the connection shall be located in the area controlled by the same person controlling the air conditioned space. When undiluted condensate waste from a fuel burning condensing appliance is discharged into the drainage system the material in the 807.3 drainage system shall be rast iron, galvanized iron, plastic or other materials approved for this use. SECTION 807 APPLIANCES Exceptions: When the above condensate is discharged to an exposedfixture 807.3.1 tailpiece and trap. s11ch tailpiece and trap may be brass. Any materials approved in Section 701 may be used when, in the opinion of the Administrative Authority, condensate waste from a 807.3.2 fuel burning condensing appliance is diluted either before or after discharge into the drainage system SECTION 807 APPLIANCES No domestic dishwashing machine shall be directly connected to a drainage system of food waste disposer without the use of an approved dishwasher airgap fitting on 807.4 the discharge side of the dishwashing machine. Listed airgaps shall be installed with the flood level (FL) marking at or above the flood level of the sink or drainboard, whichever is higher. SECTION 808 3 COOLING WATER When permitted by the Department having jurisdiction, clean running water used exclusively as a cooling medium in an appliance, device or apparatus, may discharge into the drainage system through the inlet side of a fixture trap in the event that a suitable fixture is not available to receive such discharge. Such trap connection shall be by means of a pipe connected to the inlet side of an approved fixture trap, the upper end terminating in a funnel shaped receptacle set adjacent, and not less than 152 mm above the overflow rim of the future.  3 SECTION 809 DRINKING FOUNTAINS Drinking fountains may be installed with indirect wastes. SECTION 810 STEAM AND HOT WATER DRAINAGE CONDENSERS AND SUMPS No steam pipe shall be directly connected to any part of a plumbing or drainage system, nor shall any water having a temperature above 60°C be discharged under pressure directly into any part of a drainage system. Pipes from boilers shall discharge by means of indirect waste piping as 810.1 detennined by Administrative Authority or the boiler manufacturer's recommendations. Such pipes may be indirectly connected by discharging into an open or closed condenser or intercepting sump of approved type that will prevent the entrance of steam or such water under pressure into the drainage system. SECTION 810 STEAM AND HOT WATER DRAINAGE CONDENSERS AND SUMPS Sumps, condensers or intercepting tanks constructed of concrete shall have walls and bottom not less than 102 mm thickness, and the inside shall be cement plastered not less than 13 mm in thickness. Condensers 810.2 constructed of metal shall be not less than No. 12 U.S. Standard gauge (2.77 men thickness) and all such metal condensers shall be protected from external corrosion by an approved bituminous coating. Sumps and condensers shan be provided with suitable means of access for cleaning and shall contain a volume of not less than twice the volume 810.3 of water removed from the boiler or boilers connected thereto when the normal water level ofsuch boiler or boilers is reduced not less than 102 mm. 8 SECTION 811 CHEMICAL WASTE Che mical o r industrial liquid wastes likely to damage maintenance costs on the excreta sewer system, detrimentally affect sewage treatment or contaminate surface or subsurface waters, shall be 811.1 pretreated to render them innocuous prior to their discharge into a drainage system. Detailed plans and specifications of pretreatment facilities shaH be required by the Administrative Authority. Piping conveying industrial. chemical or process wastes from their point of origin to sewer-connected pretreatment facilities shall be of such material and design to adequately perform its intended function to the satisfaction of the Administrative Authority. Drainage discharge piping from pretreatment facilities or intercep.tors shall conform to standard drainage installation procedure. SECTION 811 CHEMICAL WASTE Each waste pipe receiving or intended to receive the discharge of any fixture where acid or corrosive chemical is placed and each vent pipe connected thereto, shall be constructed of chemical-resistant glass- 811.2 lined pipe, high silicon iron pipe, lead pipe not less than 3.2 mm wall thickness, an approved type of ceramic glazed or unglazed vitrified clay or other approved corrosion resistant materials. 811.3 Ali jointing materials shall be ofapproved type and quality. Whenever practicable, all piping shalk be readily accessible and installed 811.4 with the maximum ofclearance from other services. The owner shall make and keep a permanent record of the location of all 811.5 pipings and venting carrying chemical waste. SECTION 811 CHEMICAL WASTE No chemical vent shall be connected or intersect vents for other 811.6 services. No chemical wastes shall be discharged into the ground, local sewer or 811.7 other disposal means without approval of the local Administrative Authority. The provisions of this Section reiative to materials and methods of construction, need not apply to minor installations such as small 811.8 photographic or x-ray dark rooms or small research or control laboratories where small amounts u f adequately water-diluted chemicals are discharged SECTION 812 VERTICAL WET VENTING Vet venting is limited to vertical drainage piping receiving the discharge from the trap arm of one (1) and two (2) fixture unit. Fixtures that also serves as a vent for not to exceed four (4) fixtures. All wet-vented fixtures 812.1 shall be on the same floor level, provided further, that fixtures with a continuous vent discharge into a wet vent shall be on the same level as the wet-vented fixtures. The vertical piping between any two (2) consecutive inlet levels shall be- considered a wet-vented section. Each wet-vented section shall be a minimum of one (I) pipe size larger than the required minimum waste 812.2 pipe size of the upper fixture or shall be one (I) pipe size larger than the required minimum pipe size for the sum of the fixture units served by such wet. vented section, whichever is larger, but in no case less than 51 mm in diameter. SECTION 812 VERTICAL WET VENTING Common vent sizing shall be the sum of the fixture units served but in no 812.3 case smaller than the minimum vent pipe size require'j for rmy fixttre served, or by Section 904. SECTION 812 3 SPECIAL VENTING FOR ISLAND FIXTURES Traps for island sinks and similar equipment shall be roughedin above the floor and may be vented by extending the vent as high as possible, but not less than the drainboard height and then returning it downward and connecting it to the horizontal sink drain immediately downstream from the vertical fixture drain. The retumed vent shall be connected to the horizontal drain through a wye-branch fitting and shall, in addition, be provided with a foot vent taken off the vertical fixture vent by means of a wye-branch immediately below the floor and thence extending the vent line to the nearest partition and then through the roof to the open air or may be connected to other veats at a point not less than 152 mm above the flood level rim of the fixtures served. SECTION 814 COMBINATION WASTE AND VENT SYSTEMS Combination waste and vent systems (CW & VS) shall be permitted only 814.1 where structural conditions preclude the installation of conventional systems as otherwise prescribed by this Code. Plans and specifications for each CW & VS shall first be approved by the 814.2 Administrative Authority before any portion o f any such system is installed. Each CW & VS as defined in Sub-Section 104.11 of Section 104, shall be provided with a vent or vents adequate to assure free circulation ofair. Any branch more than 4.6 meter m length shall be separately vented in an 814.3 approved manner.. The minimum area of any vent installed in a CW & VS shall be at least one-half ( l/2) the inside cross sectional area of the drain pipe served. The vent connection shall be downstream of the uppermost fixture. SECTION 814 COMBINATION WASTE AND VENT SYSTEMS Each waste pipe and each trap in any CW & VS shall be at least two (2) pipe 814.4 sizes larger than the sizes required by Chapter 7 of this Code and at letgt two (2) pipe sizes larger than any fix.ture tailpiece or connection. Unless specifi.cally required or permitted by the Administrative Authority, no vertical waste pipe shall be used in any CW & VS, except the tailpiece or 814.5 c.ormection between the outlet of a plumbing fixture and the trap therefore. Suc.h tailpiece or connections shall be as short as possible and in no case shall exceed 0.6 meter long. Cleanouts may not be required on any wet-vented branch serving a single trap when the tecture tailpiece or cormection is not less than 51 mm in 814.6 diameter and provide ready access for cleaning through the trap. An accessible cleanout shall be installed in each vent for the CW & VS. SECTION 815 DIRECT WASTE TO GROUND "Sacrarium" waste of holy water and washwater at church altar service must not be discharged into the sanitary drainage system but disposed off directly into the ground. SECTION 816 CLEAR WATER WASTES Water lifts, expansion tanks, cooling jackets, sprinkler systems, drip or overflow pans or similar devices which discharge clear wastewater into the buildiug drainage system shall discharge through an indirect waste by means of an air gap. SECTION 817 SWIMMING POOLS Pipes carrying wastewater from swimming or wading pools., including pool drainage and backwash from filters, and water from promenade drains which serve walks shall be installed as an indirect wa.stc Where a pump is used to discharge waste pool water to the drainage system, the pump discharge shall be installed as an indirect waste. SECTION 818 REFRIGERATION WASTES The indirect waste lines carrying refrigeration waste shall not be smaller than shown in lhe following pipe size schedule: 32 mm 1 inlet serving not more than 2.8 m^3 ofrefrigeration space; 4 to 12m^3, 32 mm inlets or the equivalent refrigeration 51 mm space; 13 to 36m^3, 32 mm inlets or the equivalent refrigeration 76 mm space. SECTION 819 AIR-CONDITIONING EQUIPMENT If discharged into the drainage system any evaporative cooler, airwasher, or similar air-conditioning equipment shall be drained by means of an indirect waste pipe. Air-conditioning condensate waste pipes shall be 819.1 SIZE independent of any drainage and waste system and shall not be smaller than shown in Table 8-2. SECTION 819 AIR-CONDITIONING EQUIPMENT 819.2 Air-conditioning condensate waste pipes shall connect POINT OF indirectly to its drainage system through an airgap or DISCHARGE airbrreak to: A A properly trapped receptor or; Other points of discharge acceptable to the Administrative B Authorit including dry wells. leach pits, the tailpiece of plumbing fixtures, etc.  King Palma CHAPTER 10 TRAPS AND INTERCEPTORS Plumbing Code Requirements  OVERVIEW INTRODUCTION TO CHAPTER 10 Importance of traps and interceptors in preventing sewer gases, odors, and debris from entering buildings. Key sections covered: requirements, designs, prohibitions, and specific applications.  Section 1001 - Traps Required 1001.1: SEPARATE TRAPS Every plumbing fixture should have its own approved waterseal trap. Exceptions: Sets of fixtures (like sinks, laundry tubs, lavatories) can share a trap if they are in the same room and have a common vent.  Specific Requirements Food Waste Disposal Units Commercial and industrial food waste units must have separate traps as a necessary requirement. Clotheswashers and Laundry Tubs Each unit should have its own trap, with some exceptions for multi-unit installations. Vertical Distance The vertical distance from the fixture tailpiece to the trap weir should not exceed 0.6 meters. Section 1002 - Traps Protected by Vent Pipes 1002.1: Vent Pipe Requirements Traps must be protected against siphonage and back-pressure through proper venting. Vent pipes should be installed to ensure air circulation within the drainage system. Distance to Vent Vent distance requirements are detailed in Table 10-1.  Horizontal Distance of Trap Arms Illustration of Table 10-1 Horizontal Distance of Trap Arms: Trap Arm Diameter (mm) Distance to Vent (m) 32 0.76 38 1.07 51 1.52 76 1.83 102 & larger 3.05 Slope: 2% or 20 mm/meter.  Slide 7: Section 1003 - Traps Described 1003.1: Self-Cleaning Traps Traps must be made of smooth, self-cleaning materials. 1003.2: Manufacturer Markings All traps should have clear manufacturer markings indicating compliance with standards. 1003.3: Installation Guidelines Traps must be installed per manufacturer’s instructions and local plumbing codes.  Section 1004 - Traps Prohibited Prohibited Traps Traps with moving parts or concealed partitions are not allowed. "S", Bell, and Crown vented traps are explicitly prohibited due to their ineffectiveness and maintenance issues.  Section 1005 - Trap Seals Water Seal Depths Minimum depth: 51 mm Maximum depth: 102 mm Purpose: To prevent sewer gases from entering the building while allowing for proper drainage.  Section 1006 - Floor Drain Traps Floor Drain Trap Requirements Floor drains must have traps with easily accessible cleanout plugs. Backwater Valve: Required to prevent reverse flow in flood-prone areas.  1007 - Trap Seal Protection Automatic Maintenance of Water Seals Devices are required to automatically maintain water seals in traps that are infrequently used, preventing them from drying out.  Section 1008 - Industrial Interceptors 1008.1: When Required Industrial settings dealing with grease, oil, or sand must install interceptors. Approval and Design Interceptors must meet specific design, size, and location requirements for efficiency.  Section 1009 - Slaughterhouses and Packing Establishments Requirements for Establishments Install screening devices and grease interceptors to handle waste from meat and fish processing.  Section 1010 - Auto Wash Racks Wash Rack Protection Auto wash racks must drain into approved interceptors designed to separate oil and grease from water.  Section 1011 - Grease Traps 1011.1: Waste Pretreatment Grease traps must be installed in food- related establishments to treat waste before it enters the sewer system. Flow Control Devices Proper installation and design of flow control devices are critical for grease trap efficiency.  Section 1012 - Grease Interceptors for Commercial Kitchens Sizing Criteria Recommended sizing criteria for grease interceptors are provided in Appendix B, ensuring proper capacity based on the kitchen's usage.  Table 10-2 - Grease Trap Capacity Illustration of Table 10-2  Section 1013 - Food Waste Disposal Prohibited 1013.1: Prohibition Food waste disposal units must not be connected to grease traps, preventing clogging and inefficiency.  Section 1014 - Traps Described (Reiterated) Materials and Standards Detailed description of approved materials for traps, including non- corrosive metals and durable plastics. Compliance with standards to ensure safety and effectiveness.  Section 1015 - Laundries Interceptors for Laundry Equipment Interceptors with removable strainers are required for laundry equipment to catch lint and debris.  Section 1017 - Construction and Size Design Specifications Sand interceptors must be constructed from durable materials like concrete or corrosion-resistant metals. Proper sizing to handle expected waste volume efficiently.  Conclusion Summary of Key Points Importance of proper trap and interceptor installation to maintain hygiene and functionality in plumbing systems. Ensuring compliance with local plumbing codes and standards.  Group 3 Chapter 11 STORM DRAINAGE SYSTEM Revised National Plumbing Code of the Philippines  Chapter 11 Section 1101- GENERAL Storm drainage are required for roof areas, courts and courtyards to collect stormwater and discharge the stormwater to an approved point of disposal not in conflict with other ordinances or regulations. Section 1102 - RAINWATER SYSTEMS 1102.1 Materials 1102.1.1 Rainwater downspout or conductor pipings placed within the interior of a building inside a vertical pipe chase or run within a vent shaft shall be of cast iron, galvanized steel, iron. brass, copper, lead, Schedule 40 ABS, DWV, Series 1000, PVC DWV or other approved materials.  Chapter 11 1102.1 Materials 1102.1.2 Rainwater downspout or conductor located on the exterior side of a low height building shall be not less than 26 ga. galvanized sheet metal. The bottom of the conductor draining over the catch basin storm drain or storm sewer is protected from damage by connecting a stronger material such as steel pipe or cast iron at its lowest section. 1102.1.3 Rainwater piping located within a medium height building basement area shall be of galvanized iron pipe, Schedule 30; cast iron soil pipe, S.W. Type DWV copper tube, Schedule 40 ABS, DWV, Series 1000, PVC DWV, or other approved materials.  Chapter 11 1102.1 Materials 1102.1.4 Downspouts for high"rise buildings shall be of stronger pipe materials to resist the high hydrostatic pressure inside the vertical downspout installed within the pipe chase which has no intermediate branch from the roof to the ground level. 1102.1.5 Rainwater piping commencing 0.6 meter from the exterior of a building may be of suitable approved materials permitted in the Installation Requirements of this Code.  Chapter 11 1102.2 Connections and Installation 1102.2.1 Rainwater piping shall not be used as soil, waste & vent pipes. 1102.2.2 Rainwater piping installed in locations where they may be subjected to damage shall be protected. 1102.2.3 Roof drains, overflow drains, and rainwater pipings used in a building construction shall be previously tested and accepted in conformity with the provisions of this Code.  Chapter 11 Section 1103 - ROOF DRAIN 1103.1 Materials Roof drains shall be of cast 1ron, copper. or other corrosion-resistant materials. 1103.1.1 Strainers 1103.1.1.1 Roof drains shall be equipped with strainers extending not less than to 102 mm above the surface of the roof immediately adjacent to the drain, Dome-Type Strainers shall have a minimum total net inlet area of one and one-half ( 1 ½) times the area of the outlet pipe to which it is connected.  Chapter 11 1103.1.1 Strainers 1103.1.1.2 Roof deck strainers for use on sun decks, parking decks and similar occupied areas shall be an approved flat-surface type which is level with the deck. Such drains shall have a total net inlet area not less than two (2) times the area of the outlet pipe to which the drain is connected. 1103.1.1.3 Roof drains passing through the roof into the interior of a building shall be made watertight at the roof level by the usc of C.l. drain with integrally cast waterstop ring around the outside of body and placed at mid-depth of the concrete roof slab and the installation of a clamped suitable flashing material around the drain. 1103.1.1.4 In all cases the outlet connections are inside-caulk or female screwed.  Chapter 11 Section 1104- SIZING OF RAINWATER PIPING 1104.1 Vertical rainwater piping shall be sized in accordance with Table 11-1, which is based upon maximum depth in mm or rainfall per hour falling upon a given roof area in square meter. Consult local rainfall figures to determine maximum rainfall per hour. Normally, a 102 mm/hour rainfall intensity is used around Manila area. 1104.2 Vertical Wall Areas. Where vertical walls project above a roof so as to permit storm water to drain to adjacent roof area below, the total roof area considered may be computed from Table 11-2 as follows:  Chapter 11 1104.2.1 For one (1) wall - add fifty (50) percent of area of the wart to the roof area, 1104.2.2 For two (2) adjacent walls - add thirty five (35) percent of the total wall areas to the roof area; 1104.2.3 Two {2) walls opposite each other and of same heights - add no additional area to the roof area, 1104.2.4 Two (2) walls opposite of differing heights- add fifty (50) percent of wall area above top of lower wall to the roof area.  Chapter 11 1104.2.5 Walls on three (3) sides - add fifty (50) percent of area of the inner wan below t.he top of the lowest wall, plus allowance for area of wall above top of the lowest wall per Sections 1104.2.2 and 1104.2.4 1104.2.6 Walls of four (4) sides- no allowance for wall areas below top of lowest wall - add for areas above top lowest wall per 1104.2.1, 1104.2.2, 1104 2.4 and 1104.2.5 1104.2.7 The area of the side of a tall building exposed to rain is taken as one-half of the gross area.  Chapter 11 1104.3 Horizontal Rainwater Piping: The size of a building rainwater piping or any of its horizontal branches shall be sized in accordance with Table 11-2 (Based upon maximum roof areas to be drained.) 1104.4 Roof Gutter. The size of semi-circular bottom roof gutters shaU be based on the maximum roof area, in accordance with Table 11-3 1104.5 If the rainfall is more or less than those shown in Table 11-2 and ll-3. then adjust the figures in the 50.8 mm rainfall by multiplying by two (2) and dividing by the maximum rate of rainfall in mm/hour. Chapter 11 Chapter 11 Chapter 11 Chapter 11  Group 3 Chapter 12 HOUSE DRAINS AND HOUSE SEWERS Revised National Plumbing Code of the Philippines  Chapter 12 Section 1201 - SEWER REQUIRED 1201.1 Every building in which plumbing are installed and every premises having drainage piping thereon, shall have a connection to a public or private excreta sewerage system, except as provided in Subsections 1201.2 and 1201.4 1201.2 When no public sewer intended to serve any lot or premises is available in any thoroughfare or right~of-way abutting such lot within the premises. drainage piping from any building or works shall be connected to an approved private sewage disposal system by the Administrative Authority.  Chapter 12 Section 1201 - SEWER REQUIRED 1201.3 Within the limits prescribed in Subsection 1201.4 hereof, the rearrangement or subdivision into smaller parcels of a lot which abuts and is served by a public sewer shall not be deemed cause to pennit the construction of a private sewage disposal system; and all plumbing or drainage systems on any such smaller parcel shall connect to the existing public sewer fronting the lots. 1201.4 The public sewer may be considered as not being available when such public sewer or any exterior drainage facility connected thereto is located more than 61 meters from any proposed building or exterior drainage facility on any lot or premises thereat.  Chapter 12 Section 1201 - SEWER REQUIRED 1201.5 No permit shall be issued for the installation, alteration or repair of arty private sewage disposal system or part thereof for any lot which can connect with an existing public sewer fronting the lot. 1201.6 On every lot or premises hereafter connected to public sewer, all plumbing and drainage systems or parts thereof on such lot or premises shalt be connected with such public sewer.  Chapter 12 Section 1202 - DAMAGE TO PUBLIC SEWER OR PRIVATE SEWAGE DISPOSAL SYSTEM 1202.1 It shall be unlawful for any person to deposit, by any means whatsoever, into any plumbing fixture, catch basin, floor drain, interceptor, sump, receptacle or device which is connected to any excreta plumbing and stonn drainage systems, public sewer, private sewer, septic tank or cesspool any ashes, cinders, solids, rags, flammable, poisonous, explosive liquids or gases, oils, grease, and other things whatsoever which would, or could cause damage to the public sewer or private sewage disposal system.  Chapter 12 Section 1202 - DAMAGE TO PUBLIC SEWER OR PRIVATE SEWAGE DISPOSAL SYSTEM 1202.2 No rain, surface or subsurface waters shall be connected to or discharged into any excreta drainage system, unless first approved by the Administrative Authority. 1202.3 No cesspool and septic tank effluents, seepage pit or underdrain system shall be connected to the excreta building sewer leading to public sewer main.  Chapter 12 1202.4 No commercial food waste grinder shall be connected to a private or public sewage disposal system unless permission has first been obtained from the Administrative Authority. 1202.5 An approved-type watertight sewage or wastewater holding tank, the contents of which, due to their character, must be periodically removed and properly disposed off to some approved off-site location, shall be installed when required by the Administrative Authority or the Health Officer to prevent anticipated surface or subsurface contamination or pollution around the building site, damage to the public sewer or other hazardous or nuisance condition.  Chapter 12 Section 1203- BUILDING SEWER MATERIALS 1203. 1 The building sewer, beginning 0.6 meter from outside face of wall of building or structure, shall be of such materials as approved by Administrative Authority under the approval procedures set forth in Chapter 12 of this Code. 1203. 2 Jointing methods and materials shall be as prescribed in Chapter 13 of this Code.  Chapter 12 Section 1204- MARKINGS All pipes, bricks, blocks, prefabricated septic tanks, prefabricated tank or seepage covers or other parts or appurtenance incidental to the installation of building sewers or private sewage disposal systems shall conform to the approval requirements of Chapter 12 of this Code and shall be marked and identified in a manner satisfactory to the Administrative Authority.  Chapter 12 Section 1205- SIZE OF BUILDING SEWERS The minimum size of any building sewer shall be determined on the basis of the total number of fixture units drained by such sewer, in accordance with Table 12-2. No building sewer shall be smaller than 150 mm diameter nor less in size than the building drain.  Chapter 12 Section 1206 - GRADE, SUPPORT, AND PROTECTION OF BUILDING SEWER 1206.1 Building sewers shall be run in practical alignment at a uniform slope of not less than two (2) percent or 21 mm per meter toward the point of disposal. i.e. to the septic tank or to the street sewer main. 1206.2 Building sewer piping shaH be laid on a firm bed throughout its entire length, and any such piping laid on made or filled-in ground shall be laid over concrete cradle or on bed of other approved materials or shall be adequately supported to the satisfaction of the Administrative Authority.  Chapter 12 Section 1206 - GRADE, SUPPORT, AND PROTECTION OF BUILDING SEWER 1206.3 No building sewer or other drainage piping or part thereof, constructed of materials other than those approved for use underground shall be installed not less than 0.6 meter from the outer face of any building foundation or wall, nor less than 0.3 meter behw the finish surface of the ground. The provisions of this Subsection include structures such as porches and steps, whether covered or uncovered, breezeways, roofed '"porte cocheres", roofed patios, carports, covered walks, covered driveways, and similar structures or appurtenances.  Chapter 12 Section 1207- CLEANOUTS 1207.1 Cleanouts shall placed inside the- building ncar the connection between the building drain and the building sewer or installed outside the building at the lower end of the building drain and extended to grade. Two-way cleanout fitting installed at connection point of building drain and building sewer outside the building nuy be installed in lieu of a single clean-out. Additional building sewer cleanout shall be installed not to exceed 15 meter on center in straight runs and for each aggregate change in direction exceeding 135 degrees.  Chapter 12 Section 1207- CLEANOUTS 1207.2 When a building sewer or a branch thereof does not exceed 3 meters in length and is a short straight line extension from a building drain which is provided with a cleanout, no cleanout will be required at its point of connection to the building drain. 1207.3 All required building sewer cleanouts shall be extended to grade. When building sewer is located under buildings, the cleanout requirements of Section 1207 shall apply.  Chapter 12 Section 1207- CLEANOUTS 1207.4 Each cleanout shall be installed so that it opens to allow cleaning of horizontal lines in the direction of flow of the soil or waste line or at right angle thereto, and except in the case of wye branch and end-of-line cleanout, shall be installed vertically above the tlow line of the pipe. 1207.5 Cleanouts installed under concrete or asphalt paving shall be made accessible by strong yard boxes with hinged cover or extending the top cover with countersunk operating nut flush with paving with approved materials and be adequately protected.  Chapter 12 Section 1207- CLEANOUTS 1207.6 Approved rnanholcs may be installed in lieu of cleanouts when first approved by the Administrative Authority. The maximum distance between manholes shall not exceed 91 meters. The inlet and outlet pipe connections of manholes shall be made by the use of flexible compression joints no closer than 0.3 meter from outside of the manhole. No flexible compression joint shall be embedded in the manhole base.  Chapter 12 Section 1208 - SEWER AND WATER PIPES 1207.2 Building sewer or drainage piping of clay or materials which are not approved for use within a building shall not be run or laid in the same trench as the water pipes unless both of the following requirements are met. 1208.1.1 The bottom of the water pipe, at all points, shall be at least 0.3 m above the top of the sewer or drain line, 1208.1.2 The water pipe shall be placed on a solid shelf excavated at one side of the common trench with a minimum clear horizontal distance of at least 0.3 meter from the sewer or drain line.  Chapter 12 Section 1209 - LOCATION 1209. 1 Except as provided in Subsection 1209.2 no building sewer shall be located in any lot other than the lot which is the site of the building structure or structure served by such sewer, nor shall any building sewer be located at any point having less than the minimum distances indicated in Table 12-l. 1209.2 Nothing contained in this Code shall be construed to prohibit the usc of all or part of an abutting lot to:  Chapter 12 Section 1209 - LOCATION 1209.2.1 Provide access to connect a building sewer to an available public sewer, when proper cause and legal easement not in violation of other requirements has been first established to the satisfaction of the Administrative Authority. 1209.2 2 Provide additional space for a building sewer when proper cause, transfer of ownership, or change of boundary not in violation of other requirements has been first established to the satisfaction of the Administrative Authority.  Chapter 12 Section 1210- ABANDONED SEWERS AND SEWAGE DISPOSAL FACILITIES 1210.1 Every abandoned building (house) sewer, or part thereof, shall be plugged or capped in an approved manner within 1.5 meters of the property line. 1210.2 Every cesspool, septic tank or seepage pit which has been abandoned or has been discontinued from further use or to which no mere waste or soil pipeline from plumbing fixtures are connected, shall have the sewage removed therefrom and be completely filled with earth, sand, gravel, concrete, or other approved materials.  Chapter 12 Section 1210- ABANDONED SEWERS AND SEWAGE DISPOSAL FACILITIES 1210.3 The top cover or arch over the cesspool, septic tank or seepage pit shall be removed before filling and the filling shall not extend above the top of the vertical portions of the sidewalls or above the level of any outlet pipe until inspection has been called and the cesspool.  Chapter 12 Section 1210- ABANDONED SEWERS AND SEWAGE DISPOSAL FACILITIES 1210.4 No person owning or controlling any cesspool, septic tank or seepage pit in the premises of such person or in that portion of any public street, alley, or other public property abutting such premises, shall fail, refuse or neglect to comply from the Department having jurisdiction.  Chapter 12 Section 1210- ABANDONED SEWERS AND SEWAGE DISPOSAL FACILITIES 1210.5 Where Disposal facilities are abandoned consequent to connecting any premises with the public sewer, the permittee making the connection shall fill all abandoned facilities as required by the Administrative Authority within thirty (30) days from the time of connecting the sewer service line to the public sewer.  Chapter 13 JOINTS AND CONNECTIONS Section 1301 - TIGHTNESS Pressure test on joints and connections of pipes and fittings in the plumbing system shall be required to ensure gastight and watertight connections. Section 1302 - TYPES OF JOINTS 1302.1 Caulked Joints -· for bell-and-spigot cast iron soil pipe (CISP) and other similar joints shall be firmly packed with oakum or hemp and filled with molten pig lead to a depth of not less than 25.4 mm. The lead shall be caulked thoroughly at the inside and outside edges of the joint. After caulking, the finished joint shall not extend more than 3.2 mm below the rim of the hub. No paint, varnish or other coatings shall be permitted on the jointing material until after the joint has been tested and approved. Caulked joints in centrifugally cast iron (CClP) belt-and-spigot water pipe shall be made with non- toxic materials. 1302.2 Threaded Joints - for iron pipe size (IPS) pipe and fittings shall be standard taper pipe threads. Threads on plastic pipe shall be f2.ctory cut or molded. Threaded plastic pipe shall be Schedule 80 minimum wall thickness. Tubing threads shall conform to fine tubing thread standards. When a pipe joint material is used, it shall be applied only on the male threads and such materials shall be approved type, insoluble in water and nontoxic. Cleanout plugs and caps shall be lubricated with water-insoluble, non-hardening material Tape is acceptable for use on male threads, only if screwed pipe joint. 1302.3 Wiped Joints - Joints in lead pipe or fittings or between lead pipe or fittings and brass or copper pipe, ferrules, solder nipples or traps shall be full-wiped lead joints. Wiped lead joints shall have an exposed surface on each side of a joint not less than 19 mm and at least as thick as the material being joined. Wall or floor flange lead- wiped joints shall be made by using a lead ring or flange placed behind the joint at wall or floor. Joint between lead pipe and cast iron, steel or wrought iron pipe shall be made by means of a caulking ferrule or soldering nipple. 1302.4 Solder and Sweat Joints - Joints in copper tubing shall be made by the appropriate use of approved brass or copper fittings. Surfaces to be joined by soldering shall be cleaned bright by manual or mechanical means. The joints shall be properly fluxed with an approved noncorrosive type flux and made up with approved solder. All solder and fluxes shall be manufactured to approved standards. Solders and fluxes with a le d content which exceeds 0.002 are prohibited in piping systems used to convey potable water. 1302.5 Flared Joints - for soft copper water tubing shall be made with fittings meeting approved standards. The tubing shall be expanded with a proper flaring tool. 1302.6 Cement Mortar Joints -· Except for repairs and connections to existing lines constructed with such joints, cement mortar joints arc prohibited on new building sewers. 1302.7 Burned Lead Joints - shall be lapped and the assembly shall be fused together to form a uniform weld at least as thick as the lead sheets being joined. 1302.8 Asbestos Cement Sewer Pipe Joints - shall be a sleeve coupling of the same composition as the pipe or of other approved materials and sealed with neoprene rubber rings or joined by an approved type compression coupling. Joints between asbestos cement pipe and other approved pipe shall be made by means of an approved adapter coupling. 1302.9 Packing Additives Prohibited - the addition of leak sealing additives to joint packing is prohibited. 1302.10 Flexible Compression Fartory-Fabritated Joints - When pipe is joined by means of flexible compression joints, such joints shall conform to approved standards and shalt not be considered as slip joints. 1302.11 Solvent Cement Plastic Pipe Joints ·- Plastic pipe and fittings designed to be joined by solvent cementing shall comply with appropriate LAPMO Installation Standards. 1302.12 Mechanical Joints - Mechanical joints for centrifugally cast-iron water pipe shall conform to nationally recognized standards. 1302.13 Molded Rubber Coupling Joints - when pipe is joined by means of molded neoprene rubber coupling joints, such joints shall conform to approved standards and shall not be considered as slip joints. When required, appropriate neoprene rubber bushings shall be used to allow for any difference in piping material diameters. Neoprene rubber shall be used in soils subject to oil intrusion. 1302.14 Elastomeric Gasketed and Rubber-ring Joints - shall comply with the applicable LAPMO Installation Standard. Neoprene gaskets are recommended tor oil handling piping works. 1302.14 Elastomeric Gasketed and Rubber-ring Joints - shall comply with the applicable LAPMO Installation Standard. Neoprene gaskets are recommended tor oil handling piping works. 1302.15 Brazing and Welding - shall conform to applicable standards in the Appendix. 1302.16 Pressure-Lock Type Connection - A mechanical connection which depends on an internal retention device to prevent pipe or tubing separation. Connection is made by inserting the pipe or tubiug inside the fitting to a prescribed depth. 1302.17 Shielded Coupling Joints - When piping systems are joined by means of shielded couplings, such couplings shall conform to approved standards and shall not be considered as slip joints 1302.18 Hubless Cast Iron Pipe Joints - Joints for hubless cast iron soil pipe and fittings shall conform to appropriate LAPMO Installation Standards and shall not be considered as slip joints  Section 1303- USE OF JOINTS 1303.1 Clay Sewer Pipe - Joints in vitrified clay pipe or between such pipe and metal pipe shall be joined with neoprene gasket for hub and spigot joints. 1303.2 Cast Iron Pipe - Joints in cast iron pipe shall be made as provided in Subsection U02.10 or 1302.12. 1303.3 Screwed Pipe to Cast Iron Pipe - Joints between wrought iron, steel, brass or copper pipe with cast iron pipe shall be either caulked or threaded joints made as provided in Subsection 1302.1 & 1302.2 or shall be made with approved adapter fittings. 1303.4 Lead to Cast Iron, Wrought Iron or Steel - Joints between lead and cast iron, wrought or steel pipe shall be made by means of wiped joints to a caulking ferrule, soldering nipple or bushing. 1303.5 Copper Water Tube - Joints in copper tubing shall be made by the appropriate use of approved brass fittings properly soldered or brazed together, or by means of approved brass compression type fittings as provided in Subsection 1302.5. Solder shall conform to the requirements o