33 05 09.33 - Thrust Restraint For Utility Piping.pdf
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- West Pump Station Replacement Project
- Solicitation number
- Not on record
- Issued by
- Chester County, Pennsylvania
About this file
This is a technical specification document for thrust restraint systems for utility piping, prepared by Herbert, Rowland & Grubic, Inc. for the West Pump Station Replacement Project managed by Northwestern Chester County Municipal Authority in Pennsylvania. The specification establishes requirements for tied joint restraint systems to be installed at each bend, tee, and change in direction on pressure pipelines. The work is part of a larger project that includes construction of a new suction lift style pump station, demolition of the existing below-grade package pump station, installation of sanitary sewer piping and force main piping with appurtenances, and general site improvements. The project is divided into three separate bid contracts: WPS-1 (General Construction), WPS-2 (Electrical Construction), and WPS-3 (Mechanical Construction), with bids due online by Wednesday, May 20, 2026 at 10:00 AM local time on the PennBid platform. Preinstallation meetings must be convened minimum one week prior to commencing work, and qualified manufacturers and fabricators with minimum three years' documented experience are required.
The specification establishes detailed performance criteria and product standards for tie bolts, tie nuts, tiepins, tie couplings, tie clamps, tie rods, tie bars, and tie washers, with approved manufacturers including Bulldog Restraint System and S&B Technical Products. All components must comply with ASTM International standards for carbon structural steel, galvanized coatings, bolts, nuts, and hardened steel washers. Installation must follow American Water Works Association (AWWA) C600 standards with specific torque requirements ranging from 45 to 60 foot-pounds for 5/8-inch nuts, 75 to 90 foot-pounds for 3/4-inch nuts, and 100 to 120 foot-pounds for 1-inch nuts. The specification requires shop drawing submittals with design calculations and assumptions for restrained lengths, manufacturer's certificates, and installation instructions, along with qualifications statements from the manufacturer, fabricator, and a licensed professional engineer experienced in work design and licensed in Pennsylvania.
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Text version
33 05 09.33 – THRUST RESTRAINT FOR UTILITY PIPING
Herbert, Rowland & Grubic, Inc. 33 05 09.33 - 1 000483.0450
SECTION 33 05 09.33 – THRUST RESTRAINT FOR UTILITY PIPING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Tied joint restraint system.
B. Related Requirements:
1. Section 31 23 16.13 – Trenching: Trenching and backfilling requirements for Site utilities.
2. Section 33 31 11 – Public Sanitary Sewerage Gravity Piping: Requirements for piping Work as required by this Section.
1.2 REFERENCE STANDARDS
A. American Water Works Association:
1. AWWA C600 - Installation of Ductile-Iron Water Mains and Their Appurtenances.
B. ASME International:
1. ASME B1.1 - Unified Inch Screw Threads, UN and UNR Thread Form.
C. ASTM International:
1. ASTM A36/A36M - Standard Specification for Carbon Structural Steel.
2. ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized)
Coatings on Iron and Steel Products.
3. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware.
4. ASTM A307 - Standard Specification for Carbon Steel Bolts, Studs, and Threaded
Rod 60 000 PSI Tensile Strength.
5. ASTM A325 - Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength.
6. ASTM A563 - Standard Specification for Carbon and Alloy Steel Nuts.
7. ASTM A588/A588M - Standard Specification for High-Strength Low-Alloy
Structural Steel, up to 50 ksi Minimum Yield Point, with Atmospheric Corrosion Resistance.
8. ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel.
9. ASTM F436 - Standard Specification for Hardened Steel Washers.
1.3 COORDINATION
A. Section 01 31 13 – Project Coordination: Requirements for coordination.
B. Coordinate Work of this Section with installation of fittings and joints that require
Herbert, Rowland & Grubic, Inc. 33 05 09.33 - 2 000483.0450 restraint.
1.4 PREINSTALLATION MEETINGS
A. Section 01 31 19 – Project Meetings: Requirements for preinstallation meeting.
B. Convene minimum one week prior to commencing Work of this Section.
1.5 SUBMITTALS
A. Section 01 33 00 – Submittal Procedures: Requirements for submittals.
B. Product Data: Submit manufacturer catalog information for restrained joint details and installation instructions.
C. Shop Drawings:
1. Indicate restrained joint details and materials being used.
2. Submit layout drawings showing piece numbers and locations.
3. Indicate restrained joint locations.
D. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.
E. Delegated Design Submittals:
1. Submit signed and sealed Shop Drawings with design calculations and assumptions for restrained lengths.
2. Submit joint restraint details.
3. Use joint restraint devices specifically designed for applications described in manufacturer information.
F. Manufacturer Instructions: Submit detailed instructions on installation requirements, including storage and handling procedures.
G. Qualifications Statement:
1. Submit qualifications for manufacturer, fabricator, and licensed professional.
1.6 CLOSEOUT SUBMITTALS
A. Section 01 77 00 – Closeout Requirements: Requirements for submittals.
B. Project Record Documents: Record actual locations of joint restraints.
1.7 QUALIFICATIONS
A. Manufacturer: Company specializing in manufacturing products specified in this Section with minimum three years' documented experience.
B. Fabricator: Company specializing in fabricating products specified in this Section with minimum three years' documented experience.
Herbert, Rowland & Grubic, Inc. 33 05 09.33 - 3 000483.0450
C. Licensed Professional: Professional engineer experienced in design of specified Work and licensed in State of Pennsylvania.
1.8 DELIVERY, STORAGE, AND HANDLING
A. Section 01 61 00 – Product Requirements: Requirements for transporting, handling, storing, and protecting products.
B. Inspection: Accept materials on Site in manufacturer's original packaging and inspect for damage.
C. Store materials according to manufacturer instructions.
D. Protection:
1. Protect materials from moisture and dust by storing in clean, dry location remote from construction operations areas.
2. Provide additional protection according to manufacturer instructions.
1.9 EXISTING CONDITIONS
A. Field Measurements:
1. Verify field measurements prior to fabrication.
2. Indicate field measurements on Shop Drawings.
PART 2 - PRODUCTS
2.1 PERFORMANCE AND DESIGN CRITERIA
A. Provide pressure pipeline with restrained joints at each bend, tee, and change in direction.
2.2 TIED JOINT RESTRAINT SYSTEMS
A. Manufacturers:
1. Bulldog Restraint System; S&B Technical Products
2. Substitutions: As specified in Section 01 61 00 - Product Requirements.
B. Tie Bolts:
1. Mechanical Joints on 2- and 3-Inch Pipe:
a. Size: 5/8 inch.
b. Comply with ASTM A588/A588M, Grade B.
c. Comply with ASTM A325, Type 3, except increase tensile strength of full-body threaded section to 40,000 lb. minimum for 5/8 inch and 60,000 lb.
minimum for 3/4 inch by heat-treating (quenching and tempering) to manufacturer's reheat and hardness specifications.
2. Mechanical and Flanged Joints on 4- to 12-Inch Pipe:
a. Size: 3/4 inch.
Herbert, Rowland & Grubic, Inc. 33 05 09.33 - 4 000483.0450
b. Comply with ASTM A588/A588M, Grade B.
c. Comply with ASTM A325, Type 3, except increase tensile strength of full-body threaded section to 40,000 lb. minimum for 5/8 inch and 60,000 lb.
minimum for 3/4 inch by heat-treating (quenching and tempering) to manufacturer's reheat and hardness specifications.
3. Mechanical Joints on 14- to 24-Inch Pipe:
a. Size: 3/4 inch.
b. Comply with ASTM A588/A588M, Grade B and ASTM A325, Type 3.
4. Mechanical and Flanged Joints on 30-Inch and Larger Pipe:
a. Size: 1 inch.
b. Comply with ASTM A588/A588M, Grade B.
c. Comply with ASTM A325, Type 3, except increase tensile strength of full-body threaded section to 100,000 lb. minimum by heat-treating (quenching and tempering) to manufacturer's reheat and hardness specifications.
C. Tie Nut:
1. Description: Hex nut for each tie bolt and tie rods.
2. Comply with ASTM A563, Grade C3.
3. Finish: galvanized.
D. Tiepin:
1. Bends and Hydrants: 3/4-inch round bar stock.
2. Size and Shape: 6-inch hairpin.
3. Comply with ASME B1.1 and ASTM A588/A588M.
4. Finish: galvanized.
E. Tie Coupling:
1. Description: Extension of continuous-threaded rods.
2. Provide with center stop to aid installation.
3. Comply with ASTM A588/A588M.
4. Finish: galvanized.
F. Tie Clamp:
1. Description: Retainer clamp for ductile iron, asbestos-cement, and PVC push-on pipe.
2. Location: In front of bell.
3. Comply with ASTM A36/A36M, ASTM A307, Grade A, and ASTM A563, Grade A.
4. Finish: galvanized.
G. Tie Rod:
1. Description: Continuous-threaded rod for cutting to desired lengths.
2. Comply with ASTM A588/A588M, Grade B, ASTM A325, Type 3, and ASME B1.1.
3. Finish: galvanized.
H. Tie Bar:
Herbert, Rowland & Grubic, Inc. 33 05 09.33 - 5 000483.0450
1. Description: Steel bar used to restrain push-in plugs.
2. Comply with ASTM A36/A36M.
3. Finish: galvanized.
I. Tie Washer:
1. Description: Round flat washers.
2. ASTM A588/A588M, ASTM F436, Type 1.
3. Finish: galvanized.
2.3 MATERIALS
A. Steel:
1. High-Strength Low-Alloy Steel: Comply with ASTM A588/A588M, heat treated.
2. High-Strength Low-Alloy Steel: Comply with ASTM A588/A588M.
3. Carbon Steel: Comply with ASTM A36/A36M.
2.4 FINISHES
A. Zinc Plating:
1. Factory applied.
2. Comply with ASTM B633.
B. Galvanizing:
1. Factory applied.
2. Comply with ASTM A153/A153M.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Section 01 73 00 – Execution Requirements: Requirements for installation examination.
B. Verify that pipe and fittings are ready to receive Work.
C. Field measure and verify conditions for installation of Work.
3.2 PREPARATION
A. Section 01 73 00 – Execution Requirements: Requirements for installation preparation.
B. Clean surfaces of pipe and fittings that are to receive tied joint restraint systems.
3.3 INSTALLATION
A. According to AWWA C600.
B. Install joint restraint system such that joints are mechanically locked together to prevent
Herbert, Rowland & Grubic, Inc. 33 05 09.33 - 6 000483.0450 joint separation.
3.4 TOLERANCES
A. Section 01 40 00 – Quality Requirements: Requirements for tolerances.
B. Torque 5/8-inch nuts on mating threaded fasteners from 45 to 60 ft.-lbf.
C. Torque 3/4-inch nuts on mating threaded fasteners from 75 to 90 ft.-lbf.
D. Torque 1-inch nuts from 100 to 120 ft.-lbf.
END OF SECTION 33 05 09.33
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