SECT-50_WATER_DISTRIBUTION.DOC
DOC document 14 KB Posted
- Attached to
- Grant Funded Construction of Rummell Road Trail
- Solicitation number
- 2025-131
- Issued by
- Polk County, Florida
About this file
This document is a technical specification section (Section 50) for water distribution infrastructure, issued by a municipal engineering department, detailing requirements for water main and service connection materials. The specification covers pipe materials, specifically polyvinyl chloride (PVC) and ductile iron pipe (DIP), with comprehensive guidelines for pipe inspection, testing, joints, fittings, coatings, and service line components. The document establishes strict technical standards for water distribution system materials, requiring contractors to use pipes with specific pressure ratings, manufacturing standards (such as AWWA C900 and ANSI/AWWA standards), and detailed installation requirements.
The specification mandates rigorous material testing, quality control, and documentation protocols, with contractors responsible for material procurement, storage, and replacement of defective items. The city engineer retains the right to request certificates, compliance affidavits, and test reports, with all delivered pipe subject to random testing. Specific technical requirements include minimum pressure class ratings (350 psi for ductile iron pipe), coating specifications (1.0-1.5 mil thickness), interior linings, and precise guidelines for service pipes, stops, fittings, and service saddles. The document does not include pricing information but provides comprehensive technical specifications that would be integral to a water infrastructure construction or replacement project.
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Text version
SECTION 50 - WATER DISTRIBUTION
SECTION 50 - WATER DISTRIBUTION
Item No. Title
| 50.1 | PIPE MATERIAL FOR WATER MAINS AND SERVICE CONNECTION |
| 50.1.1 | General |
50.2 PIPE INSPECTION AND TESTING
| 50.3 | PVC PIPE |
| 50.3.1 | PVC Pipe |
| 50.3.2 | Joints |
| 50.3.3 | Fittings |
| 50.4 | DUCTILE IRON PIPE AND FITTINGS |
| 50.4.1 | Ductile Iron Pipe |
| 50.4.2 | Fittings |
| 50.4.3 | Joints |
| 50.4.4 | Coatings and Linings |
| 50.4.5 | Polyethylene Encasement |
| 50.5 | SERVICE PIPE, STOPS, FITTINGS, AND SERVICE SADDLES |
| 50.5.1 | Service Pipe |
| 50.5.2 | Stops |
| 50.5.3 | Fittings |
| 50.5.4 | Service Saddles |
50.1 PIPE MATERIAL FOR WATER MAINS AND SERVICE CONNECTIONS
50.1.1 GENERAL
These specifications cover the pipe, fittings, and accessory items used for water distribution systems.
Pipe used in water distribution systems shall be either polyvinyl chloride (PVC), or ductile iron pipe (DIP).
The CONTRACTOR shall be responsible for all materials furnished and storage of same, until the date of substantial completion. He shall replace at his expense all materials found to be defective or damaged in handling or storage. The CONTRACTOR shall, if requested by the CITY ENGINEER or designee, furnish certificates, affidavits of compliance, test reports, or samples for check analysis for any of the materials specified herein. All pipe delivered to project site for installation is subject to random testing for compliance with the designated specifications.
50.2 PIPE INSPECTION AND TESTING
Each length of pipe shall bear the name or trademark of the manufacturer, the location of the manufacturing plant, and the class or strength classification of the pipe. The markings shall be plainly visible on the pipe barrel. Pipe, which is not marked, clearly is subject to rejection. All rejected pipe shall be promptly removed from the project site by the CONTRACTOR.
All pipe and accessories to be installed under this Contract shall be inspected and tested at the place of manufacture by the manufacturer as required by the Standard Specifications to which the material is manufactured.
Each length of pipe shall be subject to inspection and approval at the factory, point of delivery, and site of work. If requested by the CITY ENGINEER or designee, a sample of pipe to be tested shall be selected at random by the CITY or the testing laboratory hired by the CITY.
When the specimens tested conform to applicable standards, all pipe represented by such specimens shall be considered acceptable based on the test parameters measured. Copies of test reports shall be available before the pipe is installed in the project.
In the event that any of the test specimens fail to meet the applicable standards, all pipe represented by such tests shall be subjected to rejection. The CONTRACTOR may furnish two additional test specimens from the same shipment or delivery, for each specimen that failed and the pipe will be considered acceptable if all of these additional specimens meet the requirements of the applicable standards. All such retesting shall be at the CONTRACTOR'S expense.
50.3 PVC PIPE
50.3.1 PVC PIPE
All PVC pipe shall be manufactured in accordance with AWWA standard C900, latest edition. PVC pipe shall have a minimum working pressure rating of 150 psi and shall have a dimension ratio (DR) of 18. Pipe shall be the same O.D. as ductile iron pipe.
50.3.2 JOINTS
PVC pipe shall have integral bell push on type joints conforming to ASTM D3139.
50.3.3 FITTINGS
Fittings used with PVC pipe shall conform to Section 50.4.
50.4 DUCTILE IRON PIPE AND FITTINGS
50.4.1 DUCTILE IRON PIPE
All ductile iron pipe of nominal diameter four (4) through fifty four (54) inches shall conform to ANSI/AWWA A21.51/C151. A minimum of Pressure Class 350 pipe shall be supplied for all sizes of pipe unless specifically called out in the DRAWINGS, or required by the CITY ENGINEER or designee.
50.4.2 FITTINGS
Any fittings required shall be mechanical joint ductile iron or gray iron conforming to ANSI/AWWA A21.10/C110, 250 psi minimum pressure rating, or ductile iron compact fittings four (4) through twelve (12) inches in accordance with ANSI/AWWA A21.53/C153.
50.4.3 JOINTS
Joints for ductile iron pipe and fitting joints shall be push-on or mechanical joints conforming to ANSI/AWWA A21.11/C111. Where called for in the plans, restrained or flanged joints shall be provided. Flanged joints shall conform to ANSI Standard B 16.1-125 LB. Restrained joints shall conform to Sections 34.3 and 34.4.
50.4.4 COATINGS AND LININGS
Where ductile iron pipe and fittings are to be below ground or installed in a casing pipe, the coating shall be a minimum 1.0 mil thick in accordance with ANSI/AWWA A21.51/C151. Where ductile iron pipe and fittings are to be installed above ground, pipe, fittings and valves shall be thoroughly cleaned and given one field coat (minimum 1.5 mils dry thickness) of rust inhibitor primer. Intermediate and finished field coats of Alkyd shall also be applied by the CONTRACTOR (minimum 1.5 mils dry thickness each coat). Primer and field coats shall be compatible and shall be applied in accordance with the manufacturers recommendations. Final field coat shall be green for raw water and blue for finished water.
All ductile iron pipe and fittings shall have an interior protective lining of cement-mortar with a seal coat of asphaltic material in accordance with ANSI/AWWA A21.4/C104.
50.4.5 POLYETHYLENE ENCASEMENT
The pipe shall be polyethylene encased (8 mil) where shown on the DRAWINGS or required by the CITY ENGINEER or designee in accordance with ANSI/AWWA A21.51/C105.
50.5 SERVICE PIPE, STOPS, FITTINGS, AND SERVICE SADDLES
50.5.1 SERVICE PIPE
All service lines shall be 1", 1-1/2" or 2" polyethylene tubing conforming to specifications in AWWA C800 and AWWA C901.
50.5.2 STOPS
Corporation stops shall be 1", 1-1/2" or 2" brass, equipped with connections compatible with the polyethylene tubing and threaded in accordance with specifications, in AWWA C800 and AWWA C901. Curb stops shall be sized to match the meter size and conform to the specifications in AWWA C800 and AWWA C901.
50.5.3 FITTINGS
Fittings shall be brass, cast and machined in accordance with specifications in AWWA C800 and AWWA C901, with compatible polyethylene tubing connections.
50.5.4 SERVICE SADDLES
A service saddle shall be used for all service line taps. Service saddles shall be double strap, anchored by a minimum four (4) bolt pattern on a ductile iron saddle body. Service saddles for PVC pipe shall have the double strap sized exactly to the pipe outside diameter. Sealing gaskets shall be BUNA-N rubber and straps shall be corrosion resistant alloy steel.
The CITY ENGINEER or designee may require a stainless steel strap and fusion epoxy or nylon coated ductile iron body with stainless steel hardware in areas designated as corrosive.
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