SECTION 02550 - OUTSIDE SANITARY [AND INDUSTRIAL WASTE] GRAVITY SEWERS

REV / DATE / DESCRIPTION / PREPARED / CHECKED / APPROVED
A / 4-11-97 / ISSUED TO KNOXVILLE FOR PRIMARY REVIEW / MARK HESTER / BILL HARDIN / PHIL CLARKSON
0 / 5-16-97 / ISSUED FOR USE IN ALL OFFICES AND INCLUDED IN LIBRARY OF MASTER SPECIFICATIONS / MARK HESTER / BILL HARDIN / PHIL CLARKSON
1 / 01-FEB-1999 / MODIFIED TO CONFORM TO DIFFERENT CONTRACT REQUIREMENTS AND CONVERTED TO WORD 97 / MARK HESTER / BILL HARDIN / PHIL CLARKSON
2 / 28-DEC-2000 / ADDED “APPROVED BY” SIGNATURE LINE / - / BILL HARDIN / JOHN WHARTON

TECH-DATA

  1. LG MASTER PREPARED BY: Spartanburg.
  1. REFERENCED DOCUMENTS:
  1. American Association of State Highway and Transportation Officials (AASHTO): AASHTO M 198: Sealing Compound, Preformed Plastic for Pipe Joints.
  1. American Society for Testing and Materials:
  1. ASTM A 48: Gray Iron Castings.
  2. ASTM A 53: Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded and Seamless.
  3. ASTM A 74: Cast Iron Soil Pipe and Fittings.
  4. ASTM A 139: Electric-Fusion(Arc)-Welded Steel Pipe (NPS in 4 in. and Over).
  5. ASTM A 167: Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet and Strip.
  6. ASTM A 240: Heat-Resisting Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels.
  7. ASTM A 536: Ductile Iron Castings.
  8. ASTM A 746: Ductile Iron Gravity Sewer Pipe.
  9. ASTM A 861: High-Silicon Iron Pipe and Fittings.
  10. ASTM C 12: Installing Vitrified Clay Pipe Lines.
  11. ASTM C 32: Sewer and Manhole Brick (Made from Clay or Shale).
  12. ASTM C 270: Mortar for Unit Masonry.
  13. ASTM C 425 : Compression Joints for Vitrified Clay Pipe and Fittings.
  14. ASTM C 443: Joints for Circular Concrete Sewer Pipe, Using Rubber Gaskets.
  15. ASTM C 478: Precast Reinforced Concrete Manhole Sections.
  16. ASTM C 564: Rubber Gaskets for Cast Iron Soil Pipe and Fittings.
  17. ASTM C 700: Vitrified Clay Pipe, Extra Strength, Standard Strength, and Perforated.
  18. ASTM C 828: Low-Pressure Air Test of Vitrified Clay Pipe Lines.
  19. ASTM C 891: Installation of Underground Precast Concrete Utility Structures.
  20. ASTM C 913: Precast Water and Wastewater Structures.
  21. ASTM C 923: Resilient Connectors Between Reinforced Concrete Manhole Structures, Pipes and Laterals.
  22. ASTM C 1091: Hydrostatic Infiltration and Exfiltration Testing of Vitrified Clay Pipe Lines.
  23. ASTM D 1248: Polyethylene Plastics Molding and Extrusion Materials.
  24. ASTM D 1785: Poly(Vinyl) Chloride (PVC) Plastic Pipe, Schedule 40, 80, and 120.
  25. ASTM D 2321: Underground Installation of Flexible Thermoplastic Sewer Pipe.
  26. ASTM D 2564: Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Pipe and Fittings.
  27. ASTM D 2855: Making Solvent-Cemented Joints with Poly(Vinyl Chloride) (PVC) Pipe and Fittings.
  28. ASTM D 3034: Type PSM Poly(Vinyl Chloride) (PVC) Sewer Pipe and Fittings.
  29. ASTM D 3212: Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric Seals.
  30. ASTM D 3222: Unmodified Poly(Vinylidene Fluoride) (PVDF) Molding, Extrusion and Coating Materials.
  31. ASTM D 3261: Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing.
  32. ASTM D 3311: Drain, Waste, and Vent (DWV) Plastic Fittings Patterns.
  33. ASTM D 4101: Propylene Plastic Injection and Extrusion Materials.
  34. ASTM F 402: Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings.
  35. ASTM F 477: Elastomeric Seals (Gaskets) for Joining Plastic Pipe.
  36. ASTM F 679: Poly(Vinyl) Chloride (PVC) Large-Diameter Plastic Gravity Sewer Pipe and Fittings.
  37. ASTM F 714: Polyethylene (PE) Plastic Pipe (SDR-PR) Based on Outside Diameter.
  38. ASTM F 949: Poly(Vinyl) Chloride (PVC) Corrugated Sewer Pipe with a Smooth Interior and Fittings.
  39. ASTM F 1412: Polyolefin Pipe and Fittings for Corrosive Waste Systems.
  1. American Water Works Association:
  1. AWWA C104: CementMortar Lining for DuctileIron Pipe and Fittings for Water
  2. AWWA C105: Polyethylene Encasement for DuctileIron for Water and Other Liquids.
  3. AWWA C110: DuctileIron and GrayIron Fittings, 3 In. through 48 In., for Water and Other Liquids.
  4. AWWA C111: RubberGasket Joints for DuctileIron Pressure Pipe and Fittings.
  5. AWWA C115: Flanged Ductile-Iron Pipe with Ductile-Iron or Gray-Iron Threaded Flanges.
  6. AWWA C150: Thickness Design of DuctileIron Pipe.
  7. AWWA C151: DuctileIron pipe Centrifugally Cast in Metal Molds or Sand-Lined Molds for Water and Other Liquids.
  8. AWWA C219: Bolted, Sleeve-Type Couplings for Plain-End Pipe.
  9. AWWA C600: Installation of Ductile-Iron Water Mains and Appurtenances.
  10. AWWA C901: Polyethylene (PE) Pressure Pipe and Tubing, ½ In. (13 mm) Through 3 In. (76 mm), for Water Services.
  1. PRECAUTIONS:
  1. Section specifies outside sanitary and industrial waste gravity sewer lines.
  1. Industrial waste lines containing hot or corrosive materials should be coordinated with or specified by Mechanical/Process Departments.
  1. Edit Section title.
  1. Include Section 02000 with this Section.
  1. Include Section 02220 or 02222 with this Section.
  1. If pipe coatings are required, verify coating specified is appropriate.

End of Tech-Data

Prepared By:

Checked By:

Approved By:

PART 1 GENERAL

1.1SECTION INCLUDES

*********************************************************************************************************

EDIT NEXT PARAGRAPH TO MATCH SECTION TITLE.

*********************************************************************************************************

A.Gravity sanitary sewers [, gravity industrial waste sewers,] and related appurtenances.

B.Connections to existing sewer systems.

*********************************************************************************************************

DELETE OR MODIFY NEXT PARAGRAPH.

*********************************************************************************************************

C.[Work begins at point 5'-0" exterior to building column line.]

1.2SUBMITTALS

*********************************************************************************************************

DELETE UNDERGROUND WARNING TAPE IN NEXT PARAGRAPH IF METAL PIPE IS USED.

*********************************************************************************************************

A.Shop Drawings: Castings, manholes, piping, coatings, gaskets, fittings, pipe adapters, and [underground warning tape].

********************************************************************************************************

IN NEXT PARAGRAPH Designate entity requiring certification.

********************************************************************************************************

B.Quality Control Information:

  1. Submit test reports for approval.
  2. Provide notarized certification from manufacturer that materials meet referenced specifications.

C.Test Logs:

  1. Piping Field Test Log (attached).
  2. Manhole Field Test Log (attached).

1.3DELIVERY, STORAGE, AND HANDLING

A.Delivery:

  1. Protect pipe from damage during transport.
  2. Unload in manner to prevent crushing or damage of pipe ends.

B.Storage:

  1. Stockpile pipe were bell or spigot ends are not supporting weight of pipe.
  2. Stack pipe no greater than 3 feet in high.
  3. Place quantity of pipe required for each day's work along trench line.
  4. Do not place or store pipe that will create hazard to pedestrians or traffic.

C.Handling:

  1. Inspect pipe for defects as it is unloaded and stockpiled.
  2. Unload packaged units using mechanical equipment.
  3. Do not roll or drop pipe from truck or into trenches.
  4. Insert hooks with broad, well padded contact surfaces into pipe ends.
  5. Replace damaged materials whether stockpiled or installed.

PART 2 PRODUCTS

2.1MATERIALS

A.Adapters: Provide standard manufactured adapters where differing pipe materials join.

B.Brick: ASTM C 32, clay or shale and burned, Grade MS.

C.Castings: United States produced materials.

*********************************************************************************************************

IN NEXT 2 SUBPARAGRAPHS SELECT APPROPRIATE MATERIAL. GRAY IRON STANDARD; DUCTILE FOR RUBBER TIRE FORK LIFT, CONTAINER PORTS, OR AIRPORTS.

*********************************************************************************************************

  1. Manhole Frames and Covers: ASTM A 48, Class 35B, gray iron heavy duty, designed to withstand 16,000 pound wheel load plus impact.
  2. Manhole Frames and Covers: ASTM A 536, Grade 65-45-12, ductile iron, extra heavy duty.
  3. Bearing Surface: Machined between frame and cover.

*********************************************************************************************************

MODIFY NEXT 2 SUBPARAGRAPHS TO SUIT PROJECT REQUIREMENTS.

*********************************************************************************************************

  1. Identification: Mark ["Sanitary Sewer"]["Industrial Waste Sewer"].

*********************************************************************************************************

MODIFY NEXT SUBPARAGRAPH TO INDICATE NON-VENTED COVERS IF CONSTRUCTED BELOW 100 YEAR FLOOD ELEVATION. CONFIRM VENTING REQUIREMENTS WITH SERVING MUNICIPALITY.

*********************************************************************************************************

  1. Venting: [Vented] [Non-vented] [Non-vented with Gaskets].

D.Cleanout: Round, cast iron, extra heavy duty.

E.Coupling (Heavy Duty):

*********************************************************************************************************

IN NEXT 2 SUBPARAGRAPHS, EDIT TO SUIT PROJECT REQUIREMENTS.

*********************************************************************************************************

  1. Non-Pressure Service: ASTM C 923, neoprene sealing gaskets, [cast iron] [stainless steel] housing, [corrosion resistant] [stainless steel] bolts, match outside pipe diameters.
  2. Pressure Service: AWWA C219, bolted sleeve-type for plain-end pipe.

F.Encasement/Casement:

  1. Concrete Encasement: 3000 psi concrete at 28 days.
  2. Steel Casement Pipe:

*********************************************************************************************************

IN NEXT 4 SUBPARAGRAPHS EDIT FOR RAILROAD CASEMENT PIPE, INCREASE PIPE THICKNESS TO ALLOW FOR CORROSION PER AREA OR SERVING RR STANDARDS.

*********************************************************************************************************

  1. [ASTM A 53] [ASTM A 139], carbon steel pipe, Grade B, [0.375] inch wall thickness minimum.
  2. Seal ends of pipe with [brick and mortar] [rubber boots].
  3. [Provide spacers to center carrier pipe inside of casement pipe.]
  4. [Provide 2 pipe vents for pipes carrying gases that cross railroads].

*********************************************************************************************************

IN NEXT SUBPARAGRAPH, DELETE IF SOILS ARE NON-CORROSIVE. SELECT METHOD A OR B INSTALLATION. VERIFY WITH SOILS REPORT.

*********************************************************************************************************

  1. Ductile Iron Pipe Encasement: AWWA C105, 8 mil (minus 10% tolerance) low density polyethylene film per method [A] [B].

G.Precast Concrete Manhole:

*********************************************************************************************************

IN NEXT SUBPARAGRAPH, DELETE TYPE II CEMENT IF SOILS ARE NON-CORROSIVE. VERIFY WITH SOILS REPORT.

*********************************************************************************************************

  1. Precast Unit: ASTM C 478, 5 inch minimum wall thickness, 6 inch minimum base slab thickness, 4 foot minimum inside diameter, top section eccentric, [except provide Type II cement] [______].
  2. Lift Holes: Lifting holes penetrating manhole wall not permitted.

*********************************************************************************************************

IN NEXT SUBPARAGRAPH, DEFER FROM USING AASHTO SPECIFICATION IF POSSIBLE.

*********************************************************************************************************

  1. Precast Manhole Sections Joints: [AASHTO Specification M 198, preformed plastic, Type 1, Rope Form,] [ASTM C 443 rubber gasket].
  2. Tolerances: Reject pitting or honeycomb greater than specified tolerances. Do not deviate from design dimensions more than tolerances provided in ASTM C 913 as follows:

DiameterTolerance

0 - 5 ft.+ ¼ inch

5 - 10 ft.+ 3/8 inch

  1. Steps: [Copolymer polypropylene plastic reinforced with ½ inch grade 60 reinforcing steel] [gray iron, Class 35B, ASTM A 48] [cast aluminum] [______] uniformly spaced at 12 (minimum) to 16 (maximum) inches on center.
  2. Rubber Boot Pipe Connectors: ASTM C 923 and ASTM A 167, provide rubber boot, stainless steel expansion bands, and stainless steel pipe clamps for pipe penetrations into manholes. Provide 2 clamps for 15 inch diameter pipes or larger.
  3. Grade Rings: Precast concrete, equal quality as manhole, match opening dimension.

*********************************************************************************************************

DELETE NEXT SUBPARAGRAPH IF INTERIOR COATING IS NOT REQUIRED. VERIFY WITH COATING MANUFACTURER TO ENSURE COATING IS APPROPRIATE WITH WASTEWATER CHARACTER AND TEMPERATURE.

*********************************************************************************************************

  1. Coating: Coat interior surface of manhole with 1 prime and 1 finish coat of 8 to 10 mils per coat of “Series 61 Tnemec-Liner” by Tnemec. Prepare surface and apply per manufacturer's recommendations.

*********************************************************************************************************

IN NEXT PARAGRAPH SELECT TYPE OF PIPE MATERIAL OR ALLOW MORE THAN 1 PIPE TYPE.

*********************************************************************************************************

H.Pipe and Fittings:

*********************************************************************************************************

DELETE NEXT SUBPARAGRAPH IF PRESSURE PIPE IS NOT REQUIRED.

*********************************************************************************************************

  1. Ductile Iron Pressure Pipe: AWWA C150 and C151.
  1. Iron Grade: 604210 minimum.

*********************************************************************************************************

SELECT APPROPRIATE CLASS FOR PIPE. CLASS 50-56 AVAILABLE FOR 6 INCH AND LARGER, CLASS 51-56 AVAILABLE FOR 3 INCH AND 4 INCH; USE CLASS 53 MINIMUM (FLANGED), ABOVE GRADE CONDITIONS.

*********************************************************************************************************

  1. Class: [50] [51] [52] [53] [54] [55] [56] minimum.

*********************************************************************************************************

SELECT JOINT TYPE, PUSHON OR MECHANICAL JOINT BELOW GRADE; FLANGED JOINT, ABOVE GRADE. VERIFY THAT GASKET MATERIAL IS ACCEPTABLE IF OTHER THAN SANITARY WASTE.

*********************************************************************************************************

  1. Joints: AWWA [C111 (rubber)][C115], [push-on][mechanical joint][mechanical joint with retainer glands] [flanged].
  2. Outside Coating: One mil minimum thick petroleum asphaltic coating.

*********************************************************************************************************

IN NEXT 2 SUBPARAGRAPHS SELECT APPROPRIATE COATING. CEMENT LINED STANDARD; USE COATING SPECIFIED IN SECOND SUBPARAGRAPH FOR CORROSIVE CONDITIONS. REFER TO PRECAUTIONS IN TECH-DATA.

*********************************************************************************************************

  1. Inside Coating: Cement lined with petroleum asphaltic seal coat.
  2. Inside Coating:

1)Delete standard cement lining and petroleum asphaltic sealer.

2)Apply 1 prime and 1 finish coat of 8 to 10 mils thickness per coat of “Series 61 Tnemec-Liner” by Tnemec.

3)Prepare surface and apply per manufacturer's recommendations.

  1. Ductile Iron Gravity Pipe:
  1. Iron Grade: ASTM A 746, 604210 minimum.

*********************************************************************************************************

SELECT APPROPRIATE CLASS FOR PIPE. CLASS 50-56 AVAILABLE FOR 6 INCH AND LARGER, CLASS 51-56 AVAILABLE FOR 3 INCH AND 4 INCH; USE CLASS 53 MINIMUM (FLANGED), ABOVE GRADE CONDITIONS.

*********************************************************************************************************

  1. Class: [50] [51] [52] [53] [54] [55] [56] minimum.
  2. Pipe Joints:

*********************************************************************************************************

IN NEXT SUBPARAGRAPH SELECT JOINT TYPE; PUSHON OR MECHANICAL JOINT BELOW GRADE, OR FLANGED JOINT ABOVE GRADE. IN THIRD SUBPARAGRAPH VERIFY THAT GASKET MATERIAL IS ACCEPTABLE IF OTHER THAN SANITARY WASTE.

*********************************************************************************************************

1)Below Ground: [Push-on.] [Mechanical joint.] [Mechanical joint with retainer glands.] Do not use multiple types of joints.

2)Above Ground: Flanged joint (AWWA C115) or when exposed in pits or trenches.

3)Gaskets: AWWA C111 (rubber), flanged joint rubber, full face, 1/8 inch thick.

  1. Outside Coating: One mil minimum thick petroleum asphaltic coating.

*********************************************************************************************************

IN NEXT 2 SUBPARAGRAPHS SELECT APPROPRIATE COATING. CEMENT LINED STANDARD; USE COATING SPECIFIED IN SECOND SUBPARAGRAPH FOR CORROSIVE CONDITIONS. REFER TO PRECAUTIONS IN TECH-DATA.

*********************************************************************************************************

  1. Inside Coating: AWWA C104, cement lined with petroleum asphaltic seal coat.
  2. Inside Coating:

1)Delete standard cement lining and petroleum asphaltic sealer.

2)Apply 1 prime and 1 finish coat of 8 to 10 mils thickness per coat of “Series 61 Tnemec-Liner” by Tnemec.

3)Prepare surface and apply per manufacturer's recommendations.

  1. DuctileIron Fittings:

*********************************************************************************************************

SELECT JOINT TYPE, PUSHON OR MECHANICAL JOINT BELOW GRADE; OR FLANGED JOINT, ABOVE GRADE. VERIFY THAT GASKET MATERIAL IS ACCEPTABLE IF OTHER THAN SANITARY WASTE.

*********************************************************************************************************

  1. Pressure Rating: 350 psi for 3 inch through 48 inch sizes.
  2. Joints: Match pipe.

*********************************************************************************************************

IN NEXT 2 SUBPARAGRAPHS SELECT APPROPRIATE COATING. CEMENT LINED STANDARD; USE COATING SPECIFIED IN SECOND PARAGRAPH FOR CORROSIVE CONDITIONS. REFER TO PRECAUTIONS IN TECH-DATA.

*********************************************************************************************************

  1. Inside Coating: Cement lined with petroleum asphaltic seal coat.
  2. Inside Coating:

1)Delete standard cement lining and petroleum asphaltic sealer,

2)Apply 1 prime and 1 finish coat of 8 to 10 mils thickness per coat of “Series 61 Tnemec-Liner” by Tnemec.

3)Prepare surface and apply coating per manufacture's recommendations.

  1. PVC Gravity Sewer:

*********************************************************************************************************

SELECT APPROPRIATE PIPE TYPE. VERIFY THAT GASKET MATERIAL IS ACCEPTABLE IF OTHER THAN SANITARY WASTE.

-IN FIRST SUBPARAGRAPH PVC SOLID WALL PIPE WITH [GRAVITY] [PRESSURE][CEMENT] JOINTS.

-IN SECOND SUBPARAGRAPH PVC CORRUGATED EXTERIOR PIPE, SMOOTH INTERIOR.

-IN THIRD SUBPARAGRAPH PVC LARGE DIAMETER PIPE (18 INCHES TO 36 INCHES).

*********************************************************************************************************

  1. ASTM D 3034, SDR [35][26] with [ASTM D 3212][ASTM F 477] [ASTM D 2564] joints.
  2. ASTM F 949, with ASTM D 3212 joints.
  3. ASTM F 679, wall thickness [______] inches with ASTM F 477 joints.
  1. Vitrified Clay (VCP) Pipe:

*********************************************************************************************************

IN FIRST SUBPARAGRAPH SELECT APPROPRIATE PIPE THICKNESS (STRENGTH). DELETE SECOND PARAGRAPH IF PERFORATED PIPE IS NOT REQUIRED.

*********************************************************************************************************

  1. Solid Wall Pipe: ASTM C 700, [Extra Strength][Standard Strength][Perforated] with ASTM C 425 joints.
  2. Perforated Pipe: Two equal groups of ¼ inch diameter holes arranged 3 inch ± ¼ inch center to center, rows oriented parallel to pipe longitudinal axis of pipe.
  1. Cast Iron Soil Pipe:
  1. Pipe: ASTM A 74, gray cast iron with compression joints.

*********************************************************************************************************

IN NEXT SUBPARAGRAPH SELECT APPROPRIATE PIPE THICKNESS (STRENGTH).

*********************************************************************************************************

  1. Class: [Service][Extra Heavy Duty].
  2. Gaskets: ASTM C 564, rubber.

*********************************************************************************************************

SELECT APPROPRIATE PIPE TYPES REQUIRED IN INDUSTRIAL WASTE SEWERS FROM FOLLOWING 5 SUBPARAGRAPHS OR USE OTHER TYPE OF PIPE. VERIFY COMPATIBILITY WITH PROCESS OR MECHANICAL DEPARTMENT. REVISE GASKET MATERIAL IF OTHER THAN SANITARY WASTEWATER.

*********************************************************************************************************

  1. High Density Polyethylene (HDPE):
  1. Pipe: AWWA C901, ASTM D 1248, Type III, Class C, Category 5 Grade 34, extruded to ASTM F 714 dimensions, SDR [7][9] [11] [15.5] [21] [26] [______].
  2. Fittings: ASTM D 3261 match pipe SDR or thicker.
  3. Joint: Butt fusion weld.
  1. High-Silicon Iron Pipe:
  1. Pipe: ASTM A 861, bell and spigot ends.

*********************************************************************************************************

EDIT NEXT SUBPARAGRAPH TO SELECT APPROPRIATE TYPE GASKET.

*********************************************************************************************************

  1. Gasket: Acid resistant, [rope form] [moldedgasket].
  1. Stainless Steel Pipe:
  1. Pipe: ASTM A 240, Type 316L, stainless steel, socket and spigot ends.
  2. Gasket: Pre-molded lip seals of fluoroelastomer rubber compound suitable for corrosive fluids.
  1. Polypropylene (PP) Pipe:
  1. Pipe: ASTM D 4101 resin, extruded to ASTM F 1412 or ASTM D 1785, Schedule [40][______] dimensions.

*********************************************************************************************************

EDIT NEXT SUBPARAGRAPH TO SELECT APPROPRIATE MATERIAL TYPE REQUIRED.

*********************************************************************************************************

  1. Fittings: [ASTM D 4101 resin, molded to ASTM D 3311, Schedule 40 socket fitting dimensions] [ASTM D 4101 resin, extruded to ASTM D 1785, Schedule 40 dimensions] [Electric coil for electro-fusion joints].
  1. Polyvinylidene Fluoride (PVDF) Pipe:
  1. Pipe: ASTM D 3222 resin, molded to ASTM D 1785, Schedule 40 dimensions.
  2. Fittings: ASTM D 3222 resin, molded to ASTM D 3311, Schedule 40 socket fitting dimensions.

*********************************************************************************************************

SELECT WARNING TAPE FOR NON-METAL PIPES, I.E. - PVC AND VCP. EDIT NEXT PARAGRAPH TO MEET PROJECT REQUIREMENTS.

*********************************************************************************************************

I.Underground [Warning Tape][Tracer Wire]: Suitable for utility location after burial.

  1. Warning Tape: [6 inch wide metallic warning tape] continuously printed with sewer caution statement. [Yellow background with black letters][______].
  2. Tracer Wire: 10 gauge, bare, aluminum or copper.

J.Concrete: 3000 psi at 28 days.

K.Grout: Pre-mixed, non-shrink, non-metallic having a minimum compressive strength of 8000 psi at 28 days.

L.Mortar: ASTM C 270, Type M.

M.Filter Fabric: Non-woven, 8 ounce per yard square density.

PART 3 EXECUTION

3.1INSTALLATION

A.Pipe:

  1. Call utility locator service 3 days prior to beginning excavation.
  2. Coordinate to determine and mark location of utilities within limits of Work in advance to allow for relocation or adjustment of utilities.
  3. Field locate underground structures and utilities, by hand digging and exposing structure or utility for full width of new trench.
  4. Provide berms or swales to divert storm water from trenches.
  5. Provide trench dewatering as specified in other Sections.
  6. Recess excavation to accommodate bells and joints to provide full bearing of pipe barrel.
  7. Protect and support utilities exposed during construction.
  8. Do not lay pipe in water, on rock, or when trench conditions or weather is unsuitable for such Work.
  9. Examine pipe before lowering into trench and remove defective or damaged pipe from site.

*********************************************************************************************************

DELETE NEXT SUBPARAGRAPH IF NOT REQUIRED.

*********************************************************************************************************

  1. [Install low density polyethylene film on ductile iron pipe.]
  2. Lay pipe true to line and grade beginning at lowest elevation on line, with spigot end pointing in direction of flow.

*********************************************************************************************************