Chrysler LLCConstruction Standards

12/17/04

SECTION 15160 - STORM DRAINAGE PIPING

PART 1 - GENERAL

1.1SUMMARY

  1. This Section includes storm drainage piping inside building and to locations indicated.
  2. Related Sections include the following:
  3. Division2 Section "Sewerage and Drainage" for storm drainage.
  4. Division2 Section "Foundation Drainage Systems" for foundation drains.
  5. Division15Section "Plumbing Specialties" for drainage system specialties.

1.2DEFINITIONS

  1. Drainage Piping: Building sewer piping outside building that conveys storm drainage from building.
  2. Service Entrance Piping: Drainage piping at entry into building between outside building sewer piping and inside drainage piping.

1.3SYSTEM PERFORMANCE REQUIREMENTS

  1. Provide components and installation capable of producing piping systems with the following minimum working-pressure ratings, unless otherwise indicated:
  2. Storm Drainage Systems: 10-foot head of water

1.4SUBMITTALS

  1. Test Results and Reports: Specified in "Field Quality Control" Article.
  2. Shop Drawings: Submit for Architect's action. Furnish shop drawings for fabrication and installation of the Work. Include the following.
  3. Underslab Piping: Minimum scale of 1/8" = 1'-0" in plan. Dimension from center-line of building column, site station marker, or other acceptable monument indicating inverts at offsets in grade and at intervals of not more than 100'. Show location of each inlet and cleanout, including the invert and size of each crossing utility.
  4. Piping Floor Layouts: Minimum scale of 1/8" = 1'-0" in plan, except minimum scale of 1/4" = 1'0" for equipment room arrangements and site reinforced concrete structures in plan.
  5. Details for Plan, Elevation, Section and Assembly: Minimum scale of 1/2" = 1'-0" for critical areas, sheet metal gutter shielding of electrical equipment, trapeze hanger assemblies, special details, and sleeving through walls, floors, roof and structural members.
  6. Sleeve or Core Drilled Hole Placement Locations: Minimum scale of 1/8" = I'-0" in plan and elevation. Dimension from center-line of building column or face of major structural elements.

1.5QUALITY ASSURANCE

  1. Provide listing/approval stamp, label, or other marking on piping made to specified standards.
  2. Comply with ASMEB31.9, "Building Services Piping," for materials, products, and installation.
  3. Comply with NSF 14, “Plastics Piping Components and Related Materials,” for plastic piping components.

PART 2 - PRODUCTS

2.1PIPES AND TUBES

  1. General: Applications of the following pipe and tube materials are indicated in Part3 "Piping Applications" Article.
  2. Hub-and-Spigot, Cast-Iron Soil Pipe: ASTMA74, Service class. Include ASTMC564 rubber gasket, with dimensions required for pipe class, for each hub.
  3. Hubless, Cast-Iron Soil Pipe: ASTMA888 or CISPI301.
  4. Hard Copper Tube: ASTMB88, TypesL water tube, drawn temper.
  5. PVC Plastic Pipe: ASTM D 2665, Schedule 40.
  6. Galvanized Steel Pipe: ASTMA53, TypeE or S, GradeA or B, Schedule40.
  7. Galvanized, Steel Pipe Nipples: ASTMA733, made of ASTMA53 or ASTMA106, Schedule40, seamless, steel pipe.
  8. Ductile-Iron Pipe: AWWAC151 with mechanical- or push-on-joint bell and plain spigot end, unless plain, grooved, or flanged ends are indicated.

2.2PIPE AND TUBE FITTINGS

  1. General: Applications of the following pipe and tube fitting materials are indicated in Part3 "Piping Applications" Article.
  2. Threaded-Fitting, End Connections: ASMEB1.20.1.
  3. Hub-and-Spigot, Cast-Iron, Soil-Pipe Fittings: ASTMA74, Service class, hub and spigot. Include ASTMC564 rubber gasket, with dimensions required for pipe class, for each hub.
  4. Hubless, Cast-Iron, Soil-Pipe Fittings: CISPI301.
  5. Copper, Solder-Joint Pressure Fittings: ASMEB16.18 cast-copper alloy or ASMEB16.22 wrought copper. Furnish wrought-copper fittings if indicated.
  6. PVC Socket Fittings: ASTM D 2665.
  7. Bronze Flanges: ASMEB16.24, Class150, bronze, with solder-joint end.
  8. Copper Unions: ASMEB16.18, cast-copper-alloy, hexagonal-stock body with ball-and-socket joint, metal-to-metal seating surfaces, and solder-joint, threaded, or solder-joint and threaded ends.
  9. Malleable-Iron Unions: ASMEB16.39, Class150, hexagonal-stock body with ball-and-socket joint, metal-to-metal bronze seating surfaces, and female threaded ends with threads according to ASMEB1.20.1.
  10. Cast-Iron, Threaded Fittings: ASMEB16.4, Class125, galvanized, standard pattern.
  11. Cast-Iron, Threaded Flanges: ASMEB16.1, Class125.
  12. Ductile-Iron, Mechanical- or Push-on-Joint Fittings: AWWAC110, ductile- or gray-iron standard pattern; or AWWAC153, ductile-iron compact pattern. Include AWWAC111 ductile- or gray-iron glands, rubber gaskets, and steel bolts with mechanical-joint fittings. Include AWWAC111 rubber gaskets with push-on-joint fittings.

2.3JOINING MATERIALS

  1. General: Applications of the following piping joining materials are indicated in Part3 "Piping Applications" Article.
  2. Refer to Division15 Section "Basic Mechanical Materials and Methods" for commonly used joining materials.
  3. Solder: ASTMB32, Alloy Sn95, Sn94, or E; lead free.
  4. PVC: Solvent cement. Comply with procedures in ASTM F 402 for safe handling during joining of plastic pipe.
  5. Hubless, Cast-Iron, Soil-Piping Couplings: ASTMC1277 assembly of metal housing, corrosion-resistant fasteners, and ASTMC564 rubber sleeve or gasket with integral, center pipe stop. Include the following:
  6. Heavy-Duty, Stainless-Steel Couplings: ASTMA666, Type304, stainless-steel housing or shield; and stainless-steel clamps. Include gasket.
  7. Clamp Width: 3 inches wide with 4 clamps, for piping 1-1/2- to 4-inch NPS
  8. Clamp Width: 4 inches wide with 6 clamps, for piping 5- to 10-inch NPS

2.4VALVES

  1. Refer to Division15 Section "Valves" for general-duty valves. Use valves specified for "Domestic Water Systems" applications.

PART 3 - EXECUTION

3.1EXCAVATION

  1. Refer to Division2 Section "Earthwork" for excavating, trenching, and backfilling.

3.2PIPING APPLICATIONS

  1. Transition and special fittings with pressure ratings at least equal to piping pressure rating may be used in applications below, unless otherwise indicated.
  2. Flanges may be used on aboveground piping, unless otherwise indicated.
  3. Aboveground, Storm Drainage Piping: Use the following:
  4. 2-Inch and larger NPS: Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings:
  5. Couplings: Heavy-duty, Type304, stainless steel.
  6. Schedule 40 PVC plastic pipe, PVC socket fittings and solvent-cemented joints for above-ground storm piping from 10 feet above floor to roof drain body. Do not expose PVC pipe to sunlight.
  7. Forced Main Sump Pump Discharge Piping: Galvanized steel pipe and fittings with threaded joints.
  8. Underground, Storm Drainage Piping: Use the following:
  9. 3-Inch and 4-inch NPS: Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, and compression joints.
  10. 6-inch and larger: PVC pipe, PVC socket fittings, and solvent-cemented joints.
  11. Forced Main Sump Pump Discharge Piping: Ductile-Iron, Mechanical- or Push-on-Joint (consider removing risk of joint separation from thrust) Fittings:

3.3VALVE APPLICATIONS

  1. Drawings indicate valve types to be used. Where specific valve types are not indicated, the following requirements apply:
  2. Shutoff Duty: Use sluice gate valve.

3.4PIPING INSTALLATION, GENERAL

  1. Refer to Division15 Section "Basic Mechanical Materials and Methods" for basic piping installation.

3.5SERVICE ENTRANCE PIPING INSTALLATION

  1. Refer to Division2 Section "Sewerage and Drainage" for storm sewer piping.
  2. Extend building storm drain piping and connect to storm sewer piping in sizes and locations indicated for service entrances into building. Install cleanout and extension to grade at connections of building storm drains and building storm sewers.
  3. Install wall penetration system at each service entrance pipe penetration through foundation wall. Make installation watertight. Refer to Division15 Section "Basic Mechanical Materials and Methods" for wall penetration systems.

3.6DRAINAGE PIPING INSTALLATION

  1. Install cast-iron soil piping according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook," ChapterIV, "Installation of Cast Iron Soil Pipe and Fittings."
  2. Install PVC plastic vent piping according to ASTM D 2665.
  3. Make changes in direction for drainage and vent piping using appropriate branches, bends, and long-sweep bends. Sanitary tees and short-sweep 1/4 bends may be used on vertical stacks if change in direction of flow is from horizontal to vertical. Use long-turn, double Y-branch and 1/8-bend fittings if 2 fixtures are installed back to back or side by side with common drain pipe. Straight tees, elbows, and crosses may be used on vent lines. Do not make change in direction of flow greater than 90 degrees. Use proper size of standard increasers and reducers if different sizes of piping are connected. Reducing size of drainage piping in direction of flow is prohibited.
  4. Lay buried building drain piping beginning at low point of each system. Install true to grades and alignment indicated, with unbroken continuity of invert. Place hub ends of piping upstream. Install required gaskets according to manufacturer's written instructions for use of lubricants, and other installation requirements. Maintain swab in piping and pull past each joint as completed.
  5. Install drainage piping at the following minimum slopes, unless otherwise indicated:
  6. Sanitary Building Drain: 2 percent downward in direction of flow for piping 3-inch NPS and smaller; 1 percent downward in direction of flow for piping 4-inch NPS and larger.
  7. StormBuilding Drain: 1 percent downward in direction of flow.
  8. Horizontal, Storm Drainage Piping: 2 percent downward in direction of flow.

3.7JOINT CONSTRUCTION

  1. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping joint construction.
  2. Cast-Iron, Soil-Piping Joints: Make joints according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook," ChapterIV, "Installation of Cast Iron Soil Pipe and Fittings."
  3. Compression Joints: Make with rubber or neoprene gasket matching class of pipe and fittings.
  4. Hubless Joints: Make with rubber gasket and sleeve or clamp.

3.8VALVE INSTALLATION

  1. Shutoff Valves: Install shutoff valve on each pump discharge and where indicated.
  2. Check Valves: Install swing check valve on each pump discharge, downstream from shutoff valve.

3.9HANGER AND SUPPORT INSTALLATION

  1. Refer to Division15 Section "Hangers and Supports" for pipe hanger and support devices. Install the following:
  2. Riser clamps, MSS Type8 or Type42, for vertical runs.
  3. Adjustable steel clevis hangers, MSS Type1, for horizontal runs.
  4. Install supports according to Division15 Section "Hangers and Supports."
  5. Support vertical piping and tubing at base and at each floor.
  6. Rod diameter may be reduced one size for double-rod hangers, with 3/8-inch minimum rods.
  7. Install hangers for copper tubing with the following maximum spacing and minimum rod diameters:
  8. 1-1/4-Inch NPS: Maximum horizontal spacing, 72 inches with 3/8-inch minimum rod diameter; maximum vertical spacing, 10feet.
  9. 1-1/2 and 2-Inch NPS: Maximum horizontal spacing, 96 inches with 3/8-inch minimum rod diameter; maximum vertical spacing, 10feet.
  10. 2-1/2-Inch NPS: Maximum horizontal spacing, 108 inches with 1/2-inch minimum rod diameter; maximum vertical spacing, 10feet.
  11. Install hangers for cast-iron soil piping with the following maximum spacing and minimum rod diameters:
  12. 1-1/2- and 2-Inch NPS: Maximum horizontal spacing, 60 inches with 3/8-inch minimum rod diameter; maximum vertical spacing, 15feet
  13. 3-Inch NPS: Maximum horizontal spacing, 60 inches with 1/2-inch minimum rod diameter; maximum vertical spacing, 15feet
  14. 4- and 5-Inch NPS: Maximum horizontal spacing, 60 inches with 5/8-inch minimum rod diameter; maximum vertical spacing, 15feet
  15. 6-Inch NPS: Maximum horizontal spacing, 60 inches with 3/4-inch minimum rod diameter; maximum vertical spacing, 15feet
  16. 8- through 12-Inch NPS: Maximum horizontal spacing, 60 inches with 7/8-inch minimum rod diameter; maximum vertical spacing, 15feet
  17. Spacing for horizontal pipe in 10-foot lengths may be increased to 10 feet. Spacing for fittings is limited to 60 inches Install hangers for PVC plastic piping with the following maximum spacing and minimum rod diameters:
  18. 1-1/4- to 2-Inch NPS Maximum horizontal spacing, 48 inches with 3/8-inch minimum rod diameter; maximum vertical spacing, 48inches
  19. 4- NPS Maximum horizontal spacing, 48 inches with 5/8-inch minimum rod diameter; maximum vertical spacing, 48inches
  20. Support piping and tubing not listed above according to MSSSP-69 and manufacturer's written instructions.

3.10CONNECTIONS

  1. Connect service entrance piping to exterior drainage piping. Use transition fitting to join dissimilar piping materials.
  2. Connect drainage piping to service entrance piping, and extend to and connect to the following:
  3. Plumbing Specialties: Connect drainage piping in sizes indicated, but not smaller than required by plumbing code. Refer to Division15 Section "Plumbing Specialties."
  4. Equipment: Connect drainage piping as indicated. Provide shutoff valve, if indicated, and union for each connection. Use flanges instead of unions for connections 2-1/2-inch NPS and larger.
  5. Connect force-main piping to service entrance piping, and extend to and connect to the following:
  6. Sump Pumps: Connect force-main piping to pump discharge.
  7. Provide anchors, sway braces as required for above ground piping.
  8. Provide thrust blocks at all ells or turns of underground piping.

3.11FIELD QUALITY CONTROL

  1. Inspect drainage and vent piping as follows:
  2. Do not enclose, cover, or put piping into operation until it is inspected and approved by authorities having jurisdiction.
  3. During installation, notify authorities having jurisdiction at least 24 hours before inspection must be made. Perform tests specified below in presence of authorities having jurisdiction.
  4. Roughing-In Inspection: Arrange for inspection of piping before concealing or closing-in after roughing-in and before setting fixtures.
  5. Final Inspection: Arrange for final inspection by authorities having jurisdiction to observe tests specified below and to ensure compliance with requirements.
  6. Reinspection: If authorities having jurisdiction find that piping will not pass test or inspection, make required corrections and arrange for reinspection.
  7. Reports: Prepare inspection reports and have them signed by authorities having jurisdiction.
  8. Test drainage and vent piping according to procedures of authorities having jurisdiction or, in absence of published procedure, as follows:
  9. Test for leaks and defects in new piping and parts of existing piping that have been altered, extended, or repaired. If testing is performed in segments, submit separate report for each test, complete with diagram of portion of piping tested.
  10. Leave uncovered and unconcealed new, altered, extended, or replaced drainage and vent piping until it has been tested and approved. Expose work that has been covered or concealed before it has been tested and approved.
  11. Roughing-In Plumbing Test Procedure: Test drainage and vent piping, except outside leaders, on completion of roughing-in. Close openings in piping system and fill with water to point of overflow, but not less than 10 feet of head. Water level must not drop from 15 minutes before inspection starts through completion of inspection. Inspect joints for leaks.
  12. Repair leaks and defects using new materials and retest piping or portion thereof until satisfactory results are obtained.
  13. Prepare reports for tests and required corrective action.
  14. Test force-main piping according to procedures of authorities having jurisdiction or, in absence of published procedure, as follows:
  15. Leave uncovered and unconcealed new, altered, extended, or replaced force-main piping until it has been tested and approved. Expose work that has been covered or concealed before it has been tested and approved.
  16. Cap and subject piping to static-water pressure of 50 psig above operating pressure, without exceeding pressure rating of piping system materials. Isolate test source and allow to stand for 4 hours. Leaks and loss in test pressure constitute defects that must be repaired.
  17. Repair leaks and defects using new materials and retest piping or portion thereof until satisfactory results are obtained.
  18. Prepare reports for tests and required corrective action.

3.12CLEANING AND PROTECTING

  1. Clean interior of piping system. Remove dirt and debris as work progresses.
  2. Protect drains during remainder of construction period to avoid clogging with dirt and debris and to prevent damage from traffic and construction work.
  3. Place plugs in ends of uncompleted piping at end of day and when work stops.

END OF SECTION

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