Materials, joints, cleanouts, and installation

Grounded in the retrieved California Plumbing Code — click a citation to read the verbatim passage:

• CPC § 705.1.2 High relevance — show source text

  705.1.2 Solvent Cement Joints. Solvent cement joints for ABS pipe and fittings shall be clean from dirt and moisture. Pipe shall be cut square and shall be deburred. Where surfaces to be joined are cleaned, and free of dirt, moisture, oil, and other foreign material, the solvent cement that complies with ASTM D2235 shall be applied to all joint surfaces. Joints shall be made while both the inside socket surface and outside surface of pipe are wet with solvent cement. Hold joint in place and undisturbed for 1 minute after assembly. [HCD 1 & HCD 2] Plastic pipe and fittings joined with solvent cement shall utilize Low VOC primer(s), if a primer is required, and Low VOC cement(s) as defined in Section 214.0.

  705.1.3 Threaded Joints. Threads shall comply with ASME B1.20.1. A minimum of Schedule 80 shall be permitted to be threaded. Molded threads on adapter fittings for the transition to threaded joints shall be permitted. Thread sealant compound shall be applied to male threads, insoluble in water, and nontoxic. The joint between the pipe and transition fitting shall be of the solvent cement type. Caution shall be used during assembly to prevent over tightening of the ABS components once the thread sealant compound has been applied. 705.2 Cast-Iron Pipe and Joints. Joining methods for cast-iron pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.2.1 or Section 705.2.2. 705.2.1 Caulked Joints. Caulked joints shall be firmly packed with oakum or hemp and filled with molten lead to a depth of not less than 1 inch (25.4 mm) in one continuous pour. The lead shall be caulked thoroughly at the inside and outside edges of the joint. After caulking, the finished joint shall not exceed [1] ⁄ 8 of an inch (3.2 mm) below the rim of the hub. No paint, varnish, or other coatings shall be permitted on the joining material until after the joint has been tested and approved.

  705.2.2 Mechanical Joints and Compression Joints. Mechanical joints for cast-iron pipe and fittings shall be of the elastomeric compression type or mechanical joint couplings. Compression type joints with an elastomeric gasket for cast-iron hub and spigot pipe shall comply with ASTM C564 and be tested in accordance with ASTM C1563. Hub and spigot shall be clean and

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  free of dirt, mud, sand, and foreign materials. Cut pipe shall be free from sharp edges. Fold and insert gasket into the hub. Lubricate the joint following manufacturer’s instructions. Insert spigot into hub until the spigot end of the pipe bottom out in the hub. Use the same procedure for the installation of fittings.

  A mechanical joint shielded coupling type for hubless cast-iron pipe and fittings shall have a metallic shield that complies with ASTM A1056, ASTM C1277, ASTM C1540, or CISPI 310.

• CPC § 314.4.1 High relevance — show source text

  314.4.1 Installation of Thermoplastic Pipe and Fittings. Trench width for thermoplastic sewer pipe shall be not less than 1.25 times the outside diameter of the piping plus 12 inches (305 mm) or the outside diameter of the piping plus not less than 16 inches (406 mm). Thermoplastic piping shall be bedded in not less than 4 inches (102 mm) of granular fill supporting the piping. The backfill for thermoplastic piping shall be compacted along the sides of the piping in 6 inch (152 mm) layers and continue to not less than 12 inches (305 mm) above the piping. Compaction shall be not less than an 85 percent standard proctor density.

  315.0 Joints and Connections.

  315.1 Unions. Approved unions shall be permitted to be used in drainage piping where accessibly located in the trap seal or between a fixture and its trap; in the vent system, except underground or in wet vents; at any point in the water supply system; and in gas piping as permitted by Section 1212.6.

  315.2 Prohibited Joints and Connections. A fitting or connection that has an enlargement, chamber, or recess with a ledge, shoulder, or reduction of pipe area that offers an obstruction to flow through the drain shall be prohibited.

  316.0 Increasers and Reducers.

  316.1 General. Where different sizes of pipes and fittings are to be connected, the proper size increasers or reducers or reducing fittings shall be used between the two sizes. Copper alloy or cast-iron body cleanouts shall not be used as a reducer or adapter from cast-iron drainage pipe to iron pipe size (IPS) pipe.

  317.0 Food-Handling Establishments. 317.1 General. Food or drink shall not be stored, prepared, or displayed beneath soil or drainpipes unless those areas are protected against leakage or condensation from such pipes reaching the food or drink as described below. Where building design requires that soil or drainpipes be located over such areas, the installation shall be made with the least possible number of joints and shall be installed to connect to the nearest adequately sized vertical stack with the provisions as follows:

  (1) Openings through floors over such areas shall be sealed watertight to the floor construction.

  (2) Floor and shower drains installed above such areas shall be equipped with integral seepage pans.

  (3) Soil or drainpipes shall be of an approved material as listed in Chapter 17 and Section 701.2. Materials shall comply with established standards. Cleanouts shall be extended through the floor construction above.

  (4) Piping subject to operation at temperatures that will form condensation on the exterior of the pipe shall be thermally insulated.

  (5) Where pipes are installed in ceilings above such areas, the ceiling shall be of the removable type or shall be pro

  vided with access panels to form a ready access for inspection of piping.

  318.0 Test Gauges. 318.1 General. Tests in accordance with this code, which are performed utilizing dial gauges, shall be limited to gauges having the following pressure graduations or incrementations. 318.2 Pressure Tests (10 psi or less). Required pressure tests of 10 pounds-force per square inch (psi) (69 kPa) or less shall be performed with gauges of 0.10 psi (0.69 kPa) incrementation or less.

• CPC § 4.6 High relevance — show source text

  Considerations are soil density; clearance from obstacles, utilities, and structures; location of bends, and water service locations. Excavations and shoring shall be in accordance with jurisdictional safety requirements. (c) Set Up Fuse the proper length of polyethylene pipe in accordance with ASTM F2620, or ASTM D3261 and fuse the end to a small length that is attached to the pulling head. A rod pusher cable is pushed through the damaged host pipe and attached to the pulling cable, which is then drawn through the pipe. The clevis end of the cable is attached to the pulling head. The pulling equipment is then set up according to the manufacturer’s instructions.

  (d) Pulling Pull the pulling head through. Once the pull is done, complete the connection to the existing piping.

  4.6 Cleanouts

  4.6.1 Plug Each cleanout fitting for cast-iron pipe shall consist of a cast-iron or brass body and an approved plug. Each cleanout for galvanized wrought-iron, galvanized steel, copper, or brass pipe shall consist of a brass plug as specified in Table 1, or a standard weight brass cap, or an approved ABS or PVC plastic plug, or an approved stainless-steel cleanout or plug. Plugs shall have raised square heads or approved countersunk rectangular slots. 4.6.2 Approved Each cleanout fitting and each cleanout plug, or cap shall be of an approved type.

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  4.6.3 Watertight and Gastight

  Cleanouts shall be designed to be watertight and gastight.

  5 Testing and Inspection Requirements

  5.1 Media

  The piping of the building sewer shall be tested with water. The Authority Having Jurisdiction shall be permitted to require the removal of cleanouts, etc., to ascertain whether the pressure has reached all parts of the system.

  5.2 Water Test

  The system shall be tested by plugging the end of the building sewer at its points of connection to the public sewer or private sewage disposal system and completely filling the building sewer with water from the lowest to the highest point thereof.

  5.3 Inspections

  The completed piping shall be internally inspected by camera unless waived by the Administrative Authority.

  TABLE 1

  CLEANOUTS (See Section 4.6.1)

  NPS	SIZE OF CLEANOUT (inches)	THREADS PER INCH
  1.5	1.5	11.5
  2	1.5	11.5
  2.5	2.5	8
  3	2.5	8
  4 & larger	3.5	8

  Note: For SI units: 1 inch = 25 mm

  Uniform Plumbing Code References

  The following sections of the 2024 Uniform Plumbing Code apply.

  105.2 Required Inspections

  105.2.2 Other Inspections

  105.3 Testing of Systems

  301.2 Minimum Standards

  309.0 Workmanship

  312.0 Protection of Piping, Materials, and Structures

• CPC § 3.2 High relevance — show source text

  The lead shall be caulked thoroughly at the inside and outside edges of the joint. After caulking, the finished joint shall not exceed [1] ⁄ 8 of an inch (3.2 mm) below the rim of the hub. No paint, varnish, or other coatings shall be permitted on the joining material until after the joint has been tested and approved.

  705.2.2 Mechanical Joints and Compression Joints. Mechanical joints for cast-iron pipe and fittings shall be of the elastomeric compression type or mechanical joint couplings. Compression type joints with an elastomeric gasket for cast-iron hub and spigot pipe shall comply with ASTM C564 and be tested in accordance with ASTM C1563. Hub and spigot shall be clean and

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  free of dirt, mud, sand, and foreign materials. Cut pipe shall be free from sharp edges. Fold and insert gasket into the hub. Lubricate the joint following manufacturer’s instructions. Insert spigot into hub until the spigot end of the pipe bottom out in the hub. Use the same procedure for the installation of fittings.

  A mechanical joint shielded coupling type for hubless cast-iron pipe and fittings shall have a metallic shield that complies with ASTM A1056, ASTM C1277, ASTM C1540, or CISPI 310. The elastomeric gasket shall comply with ASTM C564. Hubless cast-iron pipe and fittings shall be clean and free of dirt, mud, sand, and foreign materials. Cut pipe shall be free from sharp edges. Gasket shall be placed on the end of the pipe or fitting and the stainless steel shield and clamp assembly on the end of the other pipe or fitting. Pipe or fittings shall be seated against the center stop inside the elastomeric sleeve. Slide the stainless steel shield and clamp assembly into a position centered over the gasket and tighten. Bands shall be tightened using an approved calibrated torque wrench specifically set by the manufacturer of the couplings.

  705.3 Copper or Copper Alloy Pipe (DWV) and Joints. Joining methods for copper or copper alloy pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.3.1 through Section 705.3.4.

  705.3.1 Brazed Joints. Brazed joints between copper or copper alloy pipe and fittings shall be made with brazing alloys having a liquid temperature above 1000°F (538°C). The joint surfaces to be brazed shall be cleaned bright by either manual or mechanical means. Piping shall be cut square and reamed to full inside diameter. Brazing flux shall be applied to the joint surfaces where required by manufacturer’s recommendation. Brazing filler metal shall conform to AWS A5.8 and shall be

  applied at the point where the pipe or tubing enters the socket of the fitting.

  705.3.2 Mechanical Joints. Mechanical joints in copper or copper alloy piping shall be made with a mechanical coupling with grooved end piping or approved joint designed for the specific application.

• CPC § 705.4.1 High relevance — show source text

  ** Joining methods for galvanized steel pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.4.1 or Section 705.4.2. 705.4.1 Mechanical Joints. Mechanical joints shall be made with an elastomeric gasket. 705.4.2 Threaded Joints. Threaded joints shall be made with pipe threads that comply with ASME B1.20.1. Thread sealant tape or compound shall be applied only to male threads, and such material shall be of approved types, insoluble in water, and nontoxic. 705.5 Polyethylene (PE) Sewer Pipe. Polyethylene (PE) sewer pipe or tubing and fitting joining methods shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.5.1 through Section 705.5.1.3.

  705.5.1 Heat-Fusion Joints. Heat-fusion joints between PE sewer pipe or tubing and fittings shall be assembled in accordance with Section 705.5.1.1 through Section 705.5.1.3 using butt-fusion, electro-fusion, or socket-fusion heat methods. Do not disturb the joint until cooled to ambient temperature. 705.5.1.1 Butt-Fusion Joints. Butt-fusion joints for PE pipe shall be installed in accordance with ASTM F2620 and shall be made by heating the prepared ends of two pipes, pipe and fitting, or two fittings by holding ends against a heated element. The heated element shall be removed when the required melt or times are obtained and heated ends shall be placed together with applied force. Do not disturb the joint until cooled to ambient temperature.

  705.5.1.2 Electro-Fusion Joints. Electro-fusion joints shall be heated internally by a conductor at the interface of the joint. Fittings shall comply with ASTM F1055 for the performance requirements of polyethylene electro-fusion fittings. The specified electro-fusion cycle used to form the joint requires consideration of the properties of the materials being joined, the design of the fitting being used, and the environmental conditions. Align and restrain fitting to pipe to prevent movement and apply electric current to the fitting. Turn off the current when the

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  required time has elapsed to heat the joint. Do not disturb the joint until cooled to ambient temperature.

  705.5.1.3 Socket-Fusion Joints. Socket fusion joints shall be installed in accordance with ASTM F2620 and shall be made by simultaneously heating the outside surface of a pipe end and the inside of a fitting socket. Where the required melt is obtained, the pipe and fitting shall be joined by inserting one into the other with applied force. Do not disturb the joint until cooled to ambient temperature. 705.6 PVC and PVC Co-Extruded Plastic Pipe and Joining Methods. Joining methods for PVC plastic pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.6.1 through Section 705.6.3. 705.6.1 Mechanical Joints. Mechanical joints shall be designed to provide a permanent seal and shall be of the mechanical or push-on joint type.

• CPC § 705.8.1 High relevance — show source text

  705.8.1 Mechanical Joints. Mechanical joints shall be designed to provide a permanent seal and shall be of the mechanical or push-on joint type. The push-on joint shall include an elastomeric gasket that complies with ASTM C425 and shall provide a compressive force against the spigot and socket after assembly to provide a permanent seal. 705.9 Special Joints. Special joints shall comply with Section 705.9.1 through Section 705.9.4. 705.9.1 Slip Joints. In fixture drains and traps, slip joints of approved materials shall be permitted to be used in accordance with their approvals. 705.9.2 Expansion Joints. Expansion joints shall be accessible, except where in vent piping or drainage stacks, and shall be permitted to be used where necessary to provide for expansion and contraction of the pipes.

  705.9.3 Ground Joint, Flared, or Ferrule Con- nections. Copper or copper alloy ground joint flared, or ferrule-type connections that allow adjustment of tubing, but provide a rigid joint where made up, shall not be considered as slip joints.

  705.9.4 Transition Joint. A solvent cement transition joint between ABS and PVC building drain and building sewer shall be made using listed transition solvent cement in accordance with ASTM D3138.

  [HCD 1 & HCD 2] Plastic pipe and fittings joined with solvent cement shall utilize Low VOC primer(s), if a primer is required, and Low VOC cement(s) as defined in Section 214.0.

  705.10 Joints Between Various Materials. Joints

  between various materials shall be installed in accordance

  with the manufacturer’s installation instructions and with Section 705.10.1 through Section 705.10.4. Mechanical couplings used to join different materials shall comply with ASTM C1173 for belowground use, ASTM C1460 for aboveground use, or ASTM C1461 for aboveground and belowground use. 705.10.1 Copper or Copper Alloy Pipe to Cast- Iron Pipe. Joints from copper or copper alloy pipe or tubing to cast-iron pipe shall be made with a listed compression-type joint or copper alloy ferrule. The copper or copper alloy pipe or tubing shall be soldered or brazed to the ferrule, and the ferrule shall be joined to the castiron hub by a compression or caulked joint.

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  705.10.2 Copper or Copper Alloy Pipe to Threaded Pipe Joints. Joints from copper or copper alloy pipe or tubing to threaded pipe shall be made by the use of a listed copper alloy adapter or dielectric fitting. The joint between the copper or copper alloy pipe and the fitting shall be a soldered or brazed, and the connection between the threaded and the fittings shall be made with a standard pipe size threaded joint. 705.10.3 Plastic Pipe to Other Materials. Where connecting plastic pipe to other types of plastic or other types of piping material; approved listed adapter or transition fittings and listed for the specific transition intended shall be used. Except as provided in Section 705.9.4, PVC and ABS pipe and fittings shall not be solvent welded to any other unlike material. **705.10.4 Stainless Steel Pipe to Other Materials.

• CPC § 705.5 High relevance — show source text

  705.5 Polyethylene (PE) Sewer Pipe . . .170

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  TABLE OF CONTENTS

  705.6 PVC and PVC Co-Extruded

  Plastic Pipe and Joining Methods . . . . . . . . . . . . . . . . . . . .171

  705.7 Stainless Steel Pipe and Joints . . .171

  705.8 Vitrified Clay Pipe and Joints . . . .171

  705.9 Special Joints . . . . . . . . . . . . . . . .171

  705.10 Joints Between

  Various Materials . . . . . . . . . . . . .171

  706.0 Changes in Direction of Drainage Flow . . . . . . . . . . . . . . .172

  706.1 Approved Fittings . . . . . . . . . . . . .172

  706.2 Horizontal to Vertical . . . . . . . . . .172

  706.3 Horizontal to Horizontal . . . . . . . .172

  706.4 Vertical to Horizontal . . . . . . . . . .172

  707.0 Cleanouts . . . . . . . . . . . . . . . . . . .172

  707.1 Plug . . . . . . . . . . . . . . . . . . . . . . .172

  Table 707.1 Cleanouts . . . . . . . . . . . . . . . . . . .172

  707.2 Approved . . . . . . . . . . . . . . . . . . .172

  Table 707.2 Cleanout Materials for Drain, Waste, and Vent . . . . . . . . . . . . . .172

  707.3 Watertight and Gastight . . . . . . . .172

  707.4 Location . . . . . . . . . . . . . . . . . . . .172

  707.5 Cleaning . . . . . . . . . . . . . . . . . . . .173

  707.6 Extension . . . . . . . . . . . . . . . . . . .173

  707.7 Interceptor . . . . . . . . . . . . . . . . . .173

  707.8 Access . . . . . . . . . . . . . . . . . . . . .173

  707.9 Clearance . . . . . . . . . . . . . . . . . . .173

  707.10 Fittings . . . . . . . . . . . . . . . . . . . . .173

  707.11 Pressure Drainage Systems . . . . .173

  707.12 Countersunk Cleanout Plugs . . . .173

  707.13 Hubless Blind Plugs . . . . . . . . . . .173

  707.14 Trap Arms . . . . . . . . . . . . . . . . . . .173

  708.0 Grade of Horizontal Drainage Piping . . . . . . . . . . . . . . . . . . . . . .173

  708.1 General . . . . . . . . . . . . . . . . . . . . .173

  709.0 Gravity Drainage Required . . . . . .173

• CPC § 1015.0 High relevance — show source text

  1015.0 FOG (Fats, Oils, and Greases) Disposal System . . . . . . . . . . . . . .199

  1015.1 Purpose . . . . . . . . . . . . . . . . . . . .199

  1015.2 Components, Materials, and Equipment . . . . . . . . . . . . . . . . . .200

  1015.3 Sizing and Installation . . . . . . . . .200

  1015.4 Performance . . . . . . . . . . . . . . . . .200

  1016.0 Sand Interceptors . . . . . . . . . . . . .200

  1016.1 Discharge . . . . . . . . . . . . . . . . . . .200

  1016.2 Authority Having Jurisdiction . . . .200

  1016.3 Construction and Size . . . . . . . . .200

  1016.4 Separate Use . . . . . . . . . . . . . . . .200

  1017.0 Oil and Flammable Liquid Interceptors . . . . . . . . . . . . . . . . . .200

  1017.1 Interceptors Required . . . . . . . . . .200

  1017.2 Interceptor Design Alternatives . . .200

  1017.3 Interceptor Details . . . . . . . . . . . .200

  1017.4 Design of Interceptors . . . . . . . . .200

  CHAPTER 11 STORM DRAINAGE . . . . . . . . . .203

  1101.0 General . . . . . . . . . . . . . . . . . . . . .205

  1101.1 Applicability . . . . . . . . . . . . . . . . . .205

  1101.2 Where Required . . . . . . . . . . . . . .205

  1101.3 Storm Water Drainage to Sanitary Sewer Prohibited . . . . . .205

  1101.4 Material Uses . . . . . . . . . . . . . . . .205

  Table 1101.4.6 Materials for Subsoil Drainpipe and Fittings . . . . . . . . . . . . . . . . . .205

  1101.5 Expansion Joints Required . . . . . .205

  1101.6 Subsoil Drains . . . . . . . . . . . . . . .205

  1101.7 Building Subdrains . . . . . . . . . . . .206

  1101.8 Areaway Drains . . . . . . . . . . . . . .206

  1101.9 Window Areaway Drains . . . . . . .206

  1101.10 Filling Stations and Motor Vehicle Washing Establishments . . . . . . . . . . . . . . .206

  1101.11 Paved Areas . . . . . . . . . . . . . . . . .206

  1101.12 Roof Drainage . . . . . . . . . . . . . . .206

  1101.13 Cleanouts . . . . . . . . . . . . . . . . . . .207

  1101.14 Rainwater Sumps . . . . . . . . . . . . .207

• CPC § 5.1 High relevance — show source text

  Cleanouts shall be designed to be watertight and gastight.

  5 Testing and Inspection Requirements

  5.1 Media

  The piping of the building sewer shall be tested with water. The Authority Having Jurisdiction shall be permitted to require the removal of cleanouts, etc., to ascertain whether the pressure has reached all parts of the system.

  5.2 Water Test

  The system shall be tested by plugging the end of the building sewer at its points of connection to the public sewer or private sewage disposal system and completely filling the building sewer with water from the lowest to the highest point thereof.

  5.3 Inspections

  The completed piping shall be internally inspected by camera unless waived by the Administrative Authority.

  TABLE 1

  CLEANOUTS (See Section 4.6.1)

  NPS	SIZE OF CLEANOUT (inches)	THREADS PER INCH
  1.5	1.5	11.5
  2	1.5	11.5
  2.5	2.5	8
  3	2.5	8
  4 & larger	3.5	8

  Note: For SI units: 1 inch = 25 mm

  Uniform Plumbing Code References

  The following sections of the 2024 Uniform Plumbing Code apply.

  105.2 Required Inspections

  105.2.2 Other Inspections

  105.3 Testing of Systems

  301.2 Minimum Standards

  309.0 Workmanship

  312.0 Protection of Piping, Materials, and Structures

  314.0 Trenching, Excavation, and Backfill

  701.3 Drainage Fittings

  705.5.1.1 Butt Fusion Joints

  705.5.1.2 Electro-Fusion Joints

  705.5.1.3 Socket-Fusion Joints

  723.0 Building Sewer Test

  TABLE 1

  CLEANOUTS (See Section 4.6.1)

  The following standards from Tables 1701.1 and 1701.2 of the 2024 Uniform Plumbing Code apply.

  Table 1701.1 Standards

  ASTM D2239 Polyethylene (PE) Plastic Pipe (SIDRPR) Based on Controlled Inside Diameter

  ASTM D2683 Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe and Tubing

  ASTM D3261 Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing

  ASTM F714 Polyethylene (PE) Plastic Pipe (DRPR) Based on Outside Diameter

  ASTM F894 Polyethylene (PE) Large Diameter Profile Wall Sewer and Drain Pipe

  ASTM F1055 Electrofusion Type Polyethylene Fittings for Outside Diameter Controlled Polyethylene and Crosslinked Polyethylene (PEX) Pipe and Tubing

  ASTM F2620 Heat Fusion Joining of Polyethylene Pipe and Fittings

  Table 1701.2 Standards

  ASTM D2657 Heat Fusion Joining of Polyolefin Pipe and Fittings

  IAPMO PS 25 Metallic Fittings for Joining Polyethylene Pipe for Water Service and Yard Piping

  Note: For SI units: 1 inch = 25 mm

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• CPC § 707.1 High relevance — show source text

  TABLE 707.1

  CLEANOUTS

  For SI units: 1 inch = 25 mm

  TABLE 707.2 CLEANOUT MATERIALS FOR DRAIN, WASTE, AND VENT

  1 [HCD 1 & HCD 2] ABS and PVC installations are limited to not more

  than two stories of areas of residential accommodation.

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  Exceptions:

  (1) Cleanouts shall be permitted to be omitted on a horizontal drain line less than 5 feet (1524 mm) in length unless such line is serving sinks or urinals.

  (2) Cleanouts shall be permitted to be omitted on a horizontal drainage pipe installed on a slope of 72 degrees (1.26 rad) or less from the vertical angle (one-fifth bend).

  (3) Excepting the building drain, its horizontal branches, kitchen sinks, and urinals, a cleanout shall not be required on a pipe or piping that is above the floor level of the lowest floor of the building.

  (4) An approved type of two-way cleanout fitting, installed inside the building wall near the connection between the building drain and the building sewer or installed outside of a building at the lower end of a building drain and extended to grade, shall be permitted to be substituted for an upper terminal cleanout.

  707.4.1 Load Rated Cover. Cleanout floor covers and top rims meant to take loads shall be rated for the loading in accordance with ASME A112.36.2M. 707.5 Cleaning. Each cleanout shall be installed so that it opens to allow cleaning in the direction of flow of the soil or waste or at right angles thereto and, except in the case of wye branch and end-of-line cleanouts, shall be installed vertically above the flow line of the pipe.

  707.6 Extension. Each cleanout extension shall be considered as drainage piping and each 90 degree (1.57 rad) cleanout extension shall be extended from a wye-type fitting or other approved fitting of equivalent sweep.

  707.7 Interceptor. Each cleanout for an interceptor shall be outside of such interceptor.

  707.8 Access. Each cleanout, unless installed under an approved cover plate, shall be above grade, readily accessible, and so located as to serve the purpose for which it is intended. Cleanouts located under cover plates shall be so installed as to provide the clearances and accessibility required by this section.

  707.9 Clearance. Each cleanout in piping 2 inches (50 mm) or less in size shall be so installed that there is a clearance of not less than 18 inches (457 mm) by 18 inches (457 mm) in front of the cleanout. Cleanouts in piping exceeding 2 inches (50 mm) shall have a clearance of not less than 24 inches (610 mm) by 24 inches (610 mm) in front of the cleanout. Cleanouts in under-floor piping shall be extended to or above the finished floor or shall be extended outside the building where there is less than 18 inches (457 mm) vertical overall, allowing for obstructions such as ducts, beams, and piping, and 30 inches of (762 mm) horizontal clearance from the means of access to such cleanout.

• CPC § 702.2 High relevance — show source text

  Table 702.2 Discharge Capacity in Gallons Per Minute for

  Intermittent Flow Only . . . . . . . . .168

  702.3 Continuous Flow . . . . . . . . . . . . . .168

  703.0 Size of Drainage Piping . . . . . . . .168

  703.1 Minimum Size . . . . . . . . . . . . . . . .168

  703.2 Maximum Number of Fixture

  Units . . . . . . . . . . . . . . . . . . . . . . .168

  703.3 Sizing per Appendix C . . . . . . . . .168

  704.0 Fixture Connections (Drainage) . .168

  704.1 Inlet Fittings . . . . . . . . . . . . . . . . .168

  704.2 Single Vertical Drainage Pipe . . . .168

  704.3 Commercial Sinks . . . . . . . . . . . . .168

  Table 703.2 Maximum Unit Loading and Maximum Length of Drainage and Vent Piping . . . . . . . . . . . . . .169

  705.0 Joints and Connections . . . . . . . .169

  705.1 ABS and ABS Co-Extruded

  Plastic Pipe and Joints . . . . . . . . .169

  705.2 Cast-Iron Pipe and Joints . . . . . . .169

  705.3 Copper or Copper Alloy Pipe (DWV) and Joints . . . . . . . . .170

  705.4 Galvanized Steel Pipe and Joints . . . . . . . . . . . . . . . . . . .170

  705.5 Polyethylene (PE) Sewer Pipe . . .170

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  TABLE OF CONTENTS

  705.6 PVC and PVC Co-Extruded

  Plastic Pipe and Joining Methods . . . . . . . . . . . . . . . . . . . .171

  705.7 Stainless Steel Pipe and Joints . . .171

  705.8 Vitrified Clay Pipe and Joints . . . .171

  705.9 Special Joints . . . . . . . . . . . . . . . .171

  705.10 Joints Between

  Various Materials . . . . . . . . . . . . .171

  706.0 Changes in Direction of Drainage Flow . . . . . . . . . . . . . . .172

  706.1 Approved Fittings . . . . . . . . . . . . .172

  706.2 Horizontal to Vertical . . . . . . . . . .172

  706.3 Horizontal to Horizontal . . . . . . . .172

  706.4 Vertical to Horizontal . . . . . . . . . .172

  707.0 Cleanouts . . . . . . . . . . . . . . . . . . .172

  707.1 Plug . . . . . . . . . . . . . . . . . . . . . . .172

  Table 707.1 Cleanouts . . . . . . . . . . . . . . . . . . .172

  707.2 Approved . . . . . . . . . . . . . . . . . . .172

• CPC § 31-2022 High relevance — show source text

  2025 CALIFORNIA PLUMBING CODE 453

  ), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

  454 2025 CALIFORNIA PLUMBING CODE

  ), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

  "The information contained in this appendix is not part of this American National Standard (ANS) and has not been processed in accordance with ANSI's requirements for an ANS. As such, this appendix may contain material that has not been subjected to public review or a consensus process. In addition, it does not contain requirements necessary for conformance to the standard."

  The following IAPMO Installation Standard is included here for the convenience of the users of the Uniform Plumbing Code. It is not considered as a part of the Uniform Plumbing Code unless formally adopted as such. This Installation Standard is an independent, stand-alone document published by the International Association of Plumbing and Mechanical Officials and is printed herein by the expressed written permission of IAPMO.

  INSTALLATION STANDARD FOR PEX TUBING SYSTEMS

  FOR HOT- AND COLD-WATER DISTRIBUTION

  IAPMO IS 31-2022

  The provisions contained in this appendix are not mandatory unless specifically adopted by a state agency, or referenced in the adopting ordinance.

  1 Scope

  1.1 General

  1.1.1 This Standard specifies requirements for the installation of SDR 9 CTS crosslinked polyethylene (PEX) tubing and fittings, including cold-expansion, crimp, press, and mechanical compression fittings, intended for hot- and cold-water distribution systems within buildings.

  1.1.2 This Standards applies to

  (a) SDR 9 CTS PEX tubing complying with ASTM F876 and pressure-rated in accordance with PPI TR-3; and (b) PEX fitting systems complying with (i) ASTM F877, for mechanical compression fittings and metal or plastic insert fittings with stainless steel press sleeves; (ii) ASTM F1807 or ASTM F2159, for metal or plastic insert fittings with copper crimp rings; (iii) ASTM F1960, for cold expansion fittings with PEX reinforced rings; or (iv) ASTM F2080, for cold expansion fittings with metal compression sleeves. 1.2 Terminology

  In this Standard,

  (a) “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy to comply with the Standard; (b) “should” is used to express a recommendation, but not a requirement; (c) “may” is used to express an option or something permissible within the scope of the Standard; and (d) “can” is used to express a possibility or a capability. Notes accompanying sections of the Standard do not specify requirements or alternative requirements; their purpose is to separate explanatory or informa

  tive material from the text. Notes to tables and figures are considered part of the table or figure and can be written as requirements.

  1.3 Units of Measurement

  SI units are the primary units of record in global commerce. In this Standard, the inch/pound units are shown in parentheses. The values stated in each measurement system are equivalent in application, but each unit system is to be used independently. All references to gallons are to U.S. gallons.

  2 Reference Publications