A0003_Att_5_(Revised)_33_46_36___Drain_Pipes_0003.pdf

Hyrum Dam Spillway Replacement Hyrum Project, Utah

Drain Pipes 33 46 36 - 1

SECTION 33 46 36

DRAIN PIPES

PART 1 GENERAL

1.01 MEASUREMENT AND PAYMENT

A. DELETED.

B. 8-inch Diameter Non-perforated HDPE Pipe:

1. Measurement: Length of pipe installed.

a. Length along pipe centerline between ends in place.

2. Payment: Unit price offered in Price Schedule A.

a. DELETED.

b. Include all fittings, elbows, and caps.

C. 8-inch Diameter Perforated HDPE Pipe:

1. Measurement: Length of pipe installed.

a. Length along pipe centerline between ends in place.

2. Payment: Unit price offered in Price Schedule A.

a. Include all fittings, elbows, and caps.

D. 10-inch Diameter Perforated HDPE Pipe:

1. Measurement: Length of pipe installed.

a. Length along pipe centerline between ends in place.

2. Payment: Unit price offered in Price Schedule A.

a. Include all fittings, elbows, and caps.

E. 10-inch Diameter Non-perforated HDPE Pipe:

1. Measurement: Length of pipe installed.

a. Length along pipe centerline between ends in place.

2. Payment: Unit price offered in Price Schedule A.

a. Include all fittings, elbows, and caps.

F. 12-inch Diameter Perforated HDPE Pipe:

1. Measurement: Length of pipe installed.

a. Length along pipe centerline between ends in place.

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b. Include pipes required for existing spillway dike toe drains, and outfall pipe.

2. Payment: Unit price offered in Price Schedule A.

a. Include all fittings, elbows, and caps.

b. For toe drains and foundation drains.

G. 12-inch Diameter Non-perforated HDPE Pipe:

1. Measurement: Length of pipe installed.

a. Length along pipe centerline between ends in place.

2. Payment: Unit price offered in Price Schedule A.

a. For inspection well outfall pipe and foundation drains.

b. Includes outfall screens.

c. Include all fittings, elbows, and caps.

H. 18-inch Diameter Non-perforated HDPE Pipe:

1. Measurement: Length of pipe installed.

a. Length along pipe centerline between ends in place.

2. Payment: Unit price offered in Price Schedule A.

a. Include all fittings, elbows, and caps.

I. Cleanouts:

1. Measurement: Number of drain cleanouts installed.

2. Payment: Unit price offered in Price Schedule A.

a. Includes 8-inch and 10-inch diameter non-perforated HDPE pipe and traffic box covers.

b. Include all fittings, elbows, and caps.

J. Air Vents:

1. Measurement: Number of air vents installed.

2. Payment: Unit price offered in Price Schedule A.

a. Includes 4-inch diameter non-perforated HDPE pipe and 10-inch diameter non-perforated HDPE pipe.

b. Include all fittings, elbows, frame, and protective screen.

1.02 REFERENCE STANDARDS

A. American Association of State Highway and Transportation Officials (AASHTO)

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1. AASHTO SSHB-02 Standard Specifications for Highway Bridges, Seventeenth Edition

2. AASHTO M 252-23 Standard Specification for Corrugated Polyethylene Drainage Pipe

B. American Society of Mechanical Engineers (ASME)

1. ASME B18.2.1-2010 Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Lobed Head, and Lag Screws (Inch Series)

C. ASTM International (ASTM)

1. ASTM A 240/A 240M-12 Chromium and Chromium-Nickel Stainless Steel

Plate, Sheet, and Strip for Pressure Vessels and for General Applications

2. ASTM A 760/A 760M-10 Corrugated Steel Pipe, Metallic-Coated For Sewers and Drains

3. ASTM D 2657-07 Heat Fusion Joining of Polyolefin Pipe and Fittings

4. ASTM D 3350-10a Polyethylene Plastics Pipe and Fittings Materials

5. ASTM F 593-02(2008) Stainless Steel Bolts, Hex Cap Screws, and Studs

6. ASTM F 594-09 Stainless Steel Nuts

7. ASTM F 714-10 Polyethylene (PE) Plastic Pipe (SDR-PR) Based on

Outside Diameter

8. ASTM F 2206-11 Fabricated Fittings of Butt-Fused Polyethylene (PE)

Plastic Pipe, Fittings, Sheet Stock, Plate Stock, or Block Stock

9. ASTM F2620-09 Heat Fusion of Polyethylene Pipe and Fittings

10. ASTM D3350-21 Standard Specification for Polyethylene Plastics

Pipe and Fittings Materials

11. ASTM F477-14(2021) Standard Specification for Elastomeric Seals

(Gaskets) for Joining Plastic Pipe

1.03 SUBMITTALS

A. Submit the following in accordance with Section 01 33 00 - Submittals.

B. RSN 33 46 36-1, Approval Data:

1. Pipe Data:

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a. Details and materials for pipe connections and anticipated field fabricated joints.

C. RSN 33 46 36-2, Installation Plan:

a. Pipe manufacturer’s joining and installation instructions.

b. Method for connecting pipes to inspection well.

c. Method to protect pipe and hold pipe in place during backfill.

d. Method for working backfill material under haunches.

e. Method for cleaning pipe after installation.

f. If the Contractor proposes to use construction equipment that exerts a load greater than H-20 loading on the top of the pipe, submit details of the proposed methods, crossing location, equipment type, loading conditions, and other pertinent details.

2. Testing and Video Inspection Plan:

a. Details, procedures, and sequences of testing and video inspection of drain and outfall.

D. RSN 33 46 36-3, Certifications:

1. Manufacturer's certification that pipe raw materials and manufactured pipe meet specification requirements.

2. Pipe welder’s certification.

E. RSN 33 46 36-4, Samples:

1. Three 1-foot-long samples of each size of perforated pipe and non-perforated pipe sampled from each lot of pipe to be used in work.

2. Label each sample with project name, specifications number, manufacturer’s name, product name, date of manufacture, and manufacturer’s lot identification number.

3. Ship samples to:

Bureau of Reclamation Attn: 86-68180 Building 56, Denver Federal Center 6th Avenue West & Kipling Street P.O. Box 25007 Denver, CO 80225-0007

F. RSN 33 46 36-5, Initial Inspection Videos:

1. DVD format with audio recording documenting video inspection of drains and outfall.

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G. RSN 33 46 36-6, Final Inspection Videos:

1. DVD format with audio recording documenting video inspection of drains and outfall.

1.04 QUALIFICATIONS

A. Provide experienced pipe welders with minimum of 5 years of experience in charge of welding same type of pipe required by this section.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Pipe:

1. Store and handle in accordance with manufacturer’s recommendations.

2. Do not use rope, cable, or chain slings for handling pipe. Fabric slings not less than 12 inches wide may be used for handling pipe.

3. Protect pipe from damage and prevent dirt from getting inside pipe when lowering pipe into trench, laying pipe, and positioning pipe.

PART 2 PRODUCTS

2.01 POLYETHYLENE PIPE

A. Non-Perforated HDPE Pipe:

1. AASHTO M252, double-wall, Type S.

2. Material: PE 4710 polyethylene material conforming to ASTM D 3350.

3. Color: Black.

B. Perforated HDPE Pipe:

1. AASHTO M 252 double-wall, Type SP, except, resin conforming to ASTM

D3350 Cell Class 424420C.

2. Material: PE 4710 polyethylene material conforming to ASTM D 3350.

3. Color: Black.

C. Pipe Perforations:

a. Perforations: AASHTO M 252, Class 2 slotted perforations with slot width dimension less than or equal to 8 mm, (0.315 inch). Remove burrs from drilled holes.

2. Onsite drilling of perforations is not allowed.

D. Pipe Joints:

1. Silt-tight and leak-resistant joints.

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2. Joints for perforated and nonperforated pipe: Bell-and-spigot joints as recommended by pipe manufacturer with materials meeting AASHTO M 252.

3. Pipe joint gasket: ASTM F477.

E. Fittings and Couplings:

1. Supplied or recommend by pipe manufacturer in accordance with AASHTO M

252. Material: Same as specified for pipe.

2.02 OUTFALL and AIR VENT SCREENS

A. Stainless steel wire cloth:

1. Stainless steel, Type 304 or 316.

2. Mesh openings per linear inch: 1/4-inch by 1/4-inch.

3. Wire diameter, minimum: .080 inches

B. Bands for screen:

1. Stainless steel, Type 304 or 316.

2. Thickness, minimum: 10 gauge.

3. Width, minimum: 1 inch.

C. Air Vent Screens:

1. Stainless steel, Type 304 or 316.

2. Mesh Openings per Linear Inch: 1/4 inch by 1/4 inch.

3. Wire Diameter, Minimum: .080 inches.

4. In accordance with drawing: 1236-D-55.

5. Removable.

2.03 CLEANOUTS

A. Non-Perforated HDPE Cleanout Pipe

1. AASHTO M252, double-wall, Type S.

2. Material: PE 4710 polyethylene material conforming to ASTM D 3350.

3. Color: Black.

4. Locking bell and spigot.

5. HDPE end plug: Pipe caps recommended by manufacturer.

B. Cleanout Access Protection

1. Traffic Boxes

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a. Traffic Box, No. B1730BOX, with Steel Checker Cover, No. B1730-51H by Oldcastle Precast, website:

https://oldcastleinfrastructure.com/product/christy-b1730/ , or equal, having the following essential characteristics:

1) Inside Dimensions: 17” width x 30” length x 12” height.

2) Load rating: H-20 loading.

3) Cover: H-20 loading, bolt down.

4) Installation procedures and material to follow manufactures recommendations to achieve design resistance to AASHTO H20.

2.01 SUPPLEMENTARY UPPER CHUTE DRAINAGE OUTFALL

A. Non-Perforated HDPE Pipe

1. AASHTO M252, double-wall, Type S.

2. Material: PE 4710 polyethylene material conforming to ASTM D 3350.

3. Color: Black.

4. Locking bell and spigot.

B. See 33 46 36 for Weir and Concrete Weir Box

C. Shut off valve to supplementary upper chute drainage outfall.

1. System to shut off water flow to upper chute supplementary drain outfall system to be provided immediately downstream of sanitary wye at a location to be approved by COR.

2. Valve Access

a. Access to valve to be Roadway Valve Box, with cast iron cover by

Oldcastle Precast, website: https://oldcastleinfrastructure.com/wp-content/uploads/2021/01/4-B-004_Highline_ValveBox-Water_WEB- 1.pdf, or equal, having the following essential characteristics:

1) Installation procedures and material to follow manufactures recommendations. Final top elevation to be flush with the finished ground surface using extensions as needed.

2) Shall include shroud to provide dirt-free access to 10” valve.

3) Shall not chip valve coatings

4) Two valve keys of appropriate depth are to be provided to the government.

5) Appropriate protection of the Roadway Valve Box to be at the discretion of the COR.

3. Valve

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a. Valve to be Resilient Wedge Mainline Gate Valve, LMV-1010BBHDSS by Leemco, Inc, website: https://www.leemco.com/wp-content/uploads/2022/11/GateValveHDPE-IPS-submittal.pdf, or equal, having the following essential characteristics:

1) All mainline valves shall be resilient wedge and conform to

AWWA C509 standards. Material shall be ductile iron per ASTM A536, Grade 65-45-12. Epoxy coating on all interior and exterior surfaces shall be fusion bonded epoxy, 12-14 mil thickness. The epoxy coating shall pass 90-Day immersion tests per CSA Z245.20-98. Valves shall have a shroud around the 2” operating nut to accept sleeve which provides dirt-free access to actuate the valve. Pipe stiffeners are constructed of 304 stainless steel.

2)

PART 3 EXECUTION

3.01 PIPE INSTALLATION

A. 4. Drain near centerline of spillway is not symmetrical about spillway centerline.

B. Install pipe at locations indicated on drawings.

1. 0.5 percent minimum grade.

C. Lay pipe to the elevations, lines, and grades indicated on drawings.

D. Join pipe in accordance with manufacturer’s instructions. Before and during joining of pipes, keep pipe ends free of mud, oil, or grease.

E. Temporarily cap or plug ends of pipe during periods of no work.

F. Protect pipe ends from damage.

G. Remove and replace broken, cracked, damaged during placement or unsuitable pipe and replace at no additional cost to the Government.

H. Angle Points and Curvilinear Drain Alignments:

1. Construct bends using manufacturer’s standard pipe bends.

2. Maximum bending radius without a fitting must be less than 11.25 degrees and must follow manufacturer’s instructions.

3. DELETED.

4.

I. Maintain inside of pipes clean during construction.

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J. Cover outfall end of drain pipe with stainless steel outfall screen. Securely attach to end of pipe with stainless steel bands.

K. Survey pipe joints prior to covering with drain materials.

3.02 CLEANOUT INSTALLATION

A. Cleanout extents are generalized. When change of direction is required, create a continuous curve using a maximum of 22.5-degree fittings while allowing a minimum of five feet between fittings. Ensure that the angle of the pipe relative to the ground surface is such that the projection of the pipe does not intersect the traffic box in any way. Top of traffic box to be flush with the road surface.

B. From station 3+29.50 to station 11+15.00 daylight pipe within two feet of the access road centerline in a traffic box.

C. From station 11+15.00 to station 12+37.50 daylight cleanout as close to the outside face of the spillway wall as possible as approved by COR.

3.03 PLACING EARTH MATERIALS ADJACENT TO TOE DRAIN PIPE

A. Maintain pipe grade and alignment during placement of material adjacent to and over pipe. Provide complete circumferential support for pipe to prevent uneven pressures and unacceptable ring deflections.

B. Use special compaction techniques in accordance with Section 31 23 02 - Compacting Earth Materials.

C. Do not place earth materials until installed pipe has been inspected and approved by

COR.

3.04 PIPE CROSSINGS

A. Do not permit equipment travel over pipe until material has been placed to a minimum depth of 3 feet over the top of the pipe, or to a greater depth when recommended by the pipe manufacturer.

1. After minimum earth covers are in place, the maximum equipment loading allowed over the pipe shall be H-20 loading in accordance with the AASHTO

SSHB.

2. Before using construction equipment that exerts a load larger than H-20 loading on the top of the pipe, submit details of the proposed methods, crossing location, equipment type, and loading conditions to COR for approval.

3.05 VIDEO INSPECTIONS

A. Perform inspections at the following locations and intervals:

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1. Initial underslab drain system video inspection:

a. Perform initial video inspection of underslab drain system prior to placing mudmat but after sand, gravel, and insulation placement and compaction.

b. If damaged pipe is found, repair or replace pipe as directed by COR and re-inspect after after sand, gravel, and insulation placement and compaction is placed over replaced pipe.

2. In-progress underslab drain system video inspection:

a. Perform video inspection of underslab drain system after placing bends.

b. Perform video inspection of underslab drain system after placing mudmat.

c. If damaged pipe is found, repair or replace pipe as directed by CO and re-inspect after after sand, gravel, and insulation placement and compaction is placed over replaced pipe and mudmat is reinstalled.

3. Final underslab video inspection:

a. Perform final video inspection of underslab drain system after completion of concrete placement.

b. If damaged pipe is found, repair or replace pipe as directed by Engineer of

Record.

4. Initial perimeter drain video inspection:

a. Perform initial video inspection of perimeter drain system after completing 3 feet of earthwork placement over perimeter drain system.

b. If damaged pipe is found, repair or replace pipe as directed by CO and re-inspect after 3 feet of earthfill is placed over replaced pipe.

c. Perform video inspection of perimeter drain system after placing any bends.

5. Final perimeter drain video inspection:

a. Perform final video inspection of perimeter drain system after completing earthwork to final line and grade.

b. If damaged pipe is found, repair or replace pipe as directed by COR and re-inspect after earthfill is placed to final line and grade.

B. Video Cameras:

1. Use compass camera for initial video inspection. Camera shall be capable of locating pipe elevation and coordinates.

a. Camera-crawler/tractor onboard compass unit capable of displaying heading, pitch, and roll data on the video monitor screen.

1) Heading: rotation about z-axis.

2) Pitch: rotation about x-axis.

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3) Roll: rotation about y-axis.

2. Use closed-circuit television video camera specifically designed and built for pipe inspection for final video inspection.

a. Capable of accessing pipe installed on a 0.44 slope.

b. Capable of negotiating corners and bends.

c. Equipped with 360-degree radial view rotating head and zoom lens.

d. Operable in 100 percent humidity.

e. Include footage indicator and audio recording to allow documentation of locations and problems along pipe.

f. Capable of recording images in color.

g. Capable of providing 1,000 feet of tether.

h. Operated and controlled via the cable tether.

C. Lighting for Video Inspection:

1. Allow clear, focused image of entire periphery of pipe, observable on television monitor.

2. Include variable intensity control, remotely controlled from the monitoring station.

3. Adjust lighting to minimize glare.

D. Perform inspection in presence of COR. Notify COR, in writing, of date and time of inspection at least 5 days before inspection.

E. Rate of Camera Movement Along Pipe, Maximum: 30 feet per minute.

F. Provide convenient access for Government personnel to view monitoring during inspection.

G. Record inspection in color. Create USB and DVD copies of recording.

H. Mark each DVD, USB, and cases with date; time; pipe segment location; contract name and number; and Contractor name, address, and phone number.

I. Document camera location by superimposing continuous distance record on recorded image.

J. Provide voice-over recording of date, time, and pipe segment location on recording.

K. Document obstructions and anomalies observed in pipe as part of audio record.

L. Clean and flush deposits of mud, sand, gravel, concrete or other foreign matter encountered during the final video inspection.

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1. After cleaning, re-inspect the pipe to ensure no deposits of mud, sand, gravel or other foreign matter remain in the pipe.

END OF SECTION