02679_-_CIPP.pdf

Cured-in-Place Pipe Rehabilitation - Full Structural (Gravity) 02679-1 202694-10 February 2, 2026 - Addendum No. 1 pw://Carollo/Documents/FL/Daytona Beach/202694-100000/04 Design/04 Specs/Carollo/02679 (AD1)

NEW SECTION

SECTION 02679AD1

CURED-IN-PLACE PIPE REHABILITATION - FULL STRUCTURAL (GRAVITY)

PART 1 GENERAL

1.01 SUMMARY

A. Section includes:

1. Cured-in-place rehabilitation of existing gravity sewers.

1.02 REFERENCES

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

1. HS20 - Vehicle Loading Standards.

B. ASTM International (ASTM):

1. D543 - Standard Practices for Evaluating the Resistance of Plastics to

Chemical Reagents.

2. D638 - Standard Test Method for Tensile Properties of Plastics.

3. D790 - Standard Test Methods for Flexural Properties of Unreinforced and

Reinforced Plastics and Electrical Insulating Materials.

4. D2990 - Standard Test Methods for Tensile, Compressive, Flexural Creep and

Creep Rupture of Plastics.

5. D3567 - Standard Practice for Determining Dimensions of “Fiberglass” (Glass-

Fiber-Reinforced Thermosetting Resin) Pipe and Fittings.

6. D4541 - Standard Test Method for Pull-Off Strength of Coatings Using

Portable Adhesion Testers.

7. D5813 - Standard Specification for Cured-In-Place Thermosetting Resin

Sewer Piping Systems.

8. F1216 - Standard Practice for Rehabilitation of Existing Pipelines and Conduits by Inversion and Curing of a Resin Impregnated Tube.

9. F1743 - Standard Practice for Rehabilitation of Existing Pipelines and Conduits by Pulled-in-Place Installation of Cured-in-Place Thermosetting Resin Pipe

(CIPP).

10. F2019 - Standard Practice for Rehabilitation of Existing Pipelines and Conduits by the Pulled in Place Installation of Glass Reinforced Plastic (GRP) Cured-in- Place Thermosetting Resin Pipe (CIPP).

11. F2164 - Standard Practice for Field Leak Testing of Polyethylene (PE) and Crosslinked Polyethylene (PEX) Pressure Piping Systems Using Hydrostatic Pressure.

1.03 TERMINOLOGY

A. The words and terms listed below are not defined terms that require initial capital letters, but, when used in this Section, have the indicated meaning.

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1. CIPP: Cured-in-place pipe liners for rehabilitation of existing sewers manhole to manhole.

1.04 SUBMITTALS

A. Submit as specified in Section 01330 - Submittal Procedures.

B. Certification showing the Contractor is currently licensed by the appropriate licensor to perform CIPP installation.

C. Shop Drawings detailing short- and long-term properties with supporting test data of component materials and composite materials.

D. CIPP manufacturer recommendations for material storage and temperature control, handling, insertion, installation, curing, trimming and finishing, and QA/QC procedures.

E. Resin manufacturer’s recommended heating requirements.

F. Calculations of required minimum thickness for the CIPP in each pipe reach based on the internal inspection data and the CIPP manufacturer’s specifications based on field verification of sizes and prior to ordering any material.

G. CIPP end and connection sealing materials and methods to be used to reinstate connecting sewers.

H. Detailed method for addressing CIPP sampling requirements including location and size of each sample, method of removal.

I. CCTV Inspection reports.

J. Certification stating CIPP tube has been manufactured in accordance with ASTM F1216 and resin is suitable for its intended use.

1. Not applicable for CIPPSL.

K. CIPP liner test reports.

L. Warranties.

1.05 PRODUCT STORAGE AND HANDLING REQUIREMENTS

A. Exercise adequate care during transportation, handling, and installation to prevent tearing, cutting, or otherwise damaging the CIPP material.

1. Repair or replace damaged CIPP material in accordance with the manufacturer’s recommendations and approval by the Engineer before proceeding.

1.06 QUALIFICATIONS

A. Installer:

1. Must have experience in CIPP lining sewers of a similar diameter and length as the proposed project.

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a. Provide evidence of CIPP installer experience by submitting Document 00451F - Cured-in-Place Pipe Rehabilitation Qualification Form.

B. Superintendent:

1. Provide evidence of CIPP superintendent experience on experience by submitting Document 00451F - Cured-in-Place Pipe Rehabilitation Qualification Form.

2. At least 1 of the qualified, named superintendents must be present at jobsite during CIPP construction activities.

3. Submit certification showing the Contractor is currently licensed by the appropriate licensor to perform CIPP installation.

a. Certification shall be provided to the Engineer before any materials are delivered to the job site.

1.07 WARRANTY

A. Provide warranty as specified in Section 01783 - Warranties and Bonds.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A. CIPP: One of the following, or equal:

1. Inliner Technologies.

2. Insituform Technologies, Inc.

3. National Liner.

4. Premier-Pipe.

5. SAK, LLC.

6. Spiniello Companies.

B. CIPP end and connection sealing: One of the following, or equal:

1. COSMIC, A/B Epoxy Paste (UV Cure sectional liners).

2. Neopoxy.

2.02 DESCRIPTION

A. Work consists of the installation of a cured-in-place pipe (CIPP) in existing gravity sewers, CIPP end and connection sealing including labor, , and equipment necessary to complete the Work.

1. Design new CIPP as a fully structural pipe, not relying on the remaining strength of the host pipe to withstand long-term external loading and internal pressure.

B. CIPP installation will take place prior to manhole coating work.

1. Open lined-through manholes prior to manhole coating work.

C. Service connections are defined as the interface of the lateral with the sewer main.

1. Service connection sealing is not intended to be a lateral liner.

2. No lateral work is included in the portion of the Work for CIPP.

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D. Incidental work to remove and replace manhole cones, risers, frame and cover, and concrete collars necessary for the installation of the CIPP will be considered as part of the CIPP work.

2.03 DESIGN CRITERIA

A. Liner or sectional liner: Design in accordance with the procedures of ASTM F1216 and/or ASTM F1743.

1. Material properties used in design calculations shall be long-term (time-corrected) values.

B. Assume the following parameters for the gravity liner design in accordance with

ASTM F1216:

1. Modulus of soil reaction, E’ = 700 pounds per square inch.

2. Seasonal groundwater depth is at or near grade (pipe is fully submerged).

3. Unit weight of soil: 120pounds per cubic foot.

4. Live load using an AASHTO HS20 vehicle loading.

5. Inside diameter (ID) of host pipe: 30-inch, nominal ID, contractor to confirm.

6. Host pipe material: Contractor to confirm material.

7. CIPP shall be designed for fully deteriorated conditions.

8. Safety factor of 2.

9. Ovality factor of 2.0 percent.

10. Fluid composition: Raw sewage.

11. Service life minimum: 50 years.

C. Recognize any non-uniform cross section and the liner bifurcation present at the spring line of the concrete pipe.

1. Accounting for this condition by the use of an ovality reduction factor alone is unacceptable.

D. Contractor shall be responsible for control of material and process variables to provide a finished CIPP possessing the minimum properties in accordance with ASTM F1216 and required in this Section.

2.04 COMPONENT CIPP PROPERTIES

A. CIPP fabric tubing:

1. Free from tears, holes, cuts, foreign materials and other surface defects.

2. Designed for use in gravity sanitary sewers.

3. Designed in accordance with ASTM F1216, ASTM F2019, or a seamless version of ASTM F2019.

4. Fabricated to a size that, when installed, will tightly fit the internal circumference and length of the original sewer pipe.

a. Make allowance for circumferential stretching during the installation and shrinkage of resin during curing and aging.

B. Resins:

1. Compatible with the CIPP system used.

2. Designed for use in gravity sewers.

3. Tinted for adequate visibility suitable for internal inspection and provide positive indication of adequate liner wet-out.

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4. General purpose, unsaturated polyester, and catalyst system that provides the cured physical strengths and properties specified in this Section.

5. Sectional liner:

a. Either polyester resin, vinyl ester resin, or epoxy resin.

b. Watertight seal: Either adhesive epoxy compound or mechanical seal.

2.05 CURED CIPP PROPERTIES

A. Physical properties of the cured CIPP or CIPPSL:

1. Minimum initial test values as defined in Table 1 of ASTM F1216 or

ASTM F1743 and supplemented below for polyester resin.

a. Properties for the polyester or any other enhanced resins shall be substantiated with third party test data.

2. Flexural strength: 4,500 pounds per square inch in accordance with

ASTM D790.

3. Flexural modulus: 300,000 pounds per square inch in accordance with

ASTM D790.

4. 50-year flexural creep modulus: 150,000 pounds per square inch in accordance with ASTM D2990.

a. If approved 10,000-hour tests are not available, use a minimum

50 percent reduction (50 percent retention) of Flexural Modulus of Elasticity in accordance with ASTM F1216 for formula calculations.

5. Tensile strength: 9,000 pounds per square inch in accordance with ASTM D638 for sectional liner.

2.06 DIMENSIONS OF CIPP

A. Make allowances in determining the felt tube length and circumference for stretch during installation and shrinkage during curing and aging.

1. Minimum length: That which continuously spans the distance from the center of the inlet manhole to the center of the outlet manhole.

B. Existing sewer lines may be larger than their nominal size due to corrosion of the concrete pipe.

1. It is the Contractor’s responsibility to measure the actual inside diameter at different locations of the sewer to determine the appropriate size of CIPP liner.

2.07 WALL THICKNESS

A. Felt tube:

1. Size to the next standard 1.5 mm incremental thickness above the minimum calculated design thickness.

a. Size the gap thickness of the wetting out equipment to allow an excess of

5 to 10 percent resin to pass during impregnation, unless otherwise specified, to provide for excess resin migration.

b. Nominal CIPP thickness minimum: The calculated design thickness, in accordance with ASTM F1216, except where fabric layers overlap, in which case it may be in excess of this value.

2. Nominal wall thickness at locations of voids in the existing pipe to be lined:

Increased to provide the minimum design thickness taking into consideration stretch and expansion of the liner into the void area.

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a. Determine void locations accurately during video inspection.

2.08 CHEMICAL RESISTANCE

A. Cured pipe shall be resistant to a variety of chemical effluents in accordance with

ASTM D543.

1. Perform tests on finished and cured CIPP liner properties as specified.

2. Previous test data will not be acceptable.

B. Provide chemical resistance test results in accordance with ASTM D543 on samples of the cured liner material that are the same as that proposed for installation.

1. Tests may be performed on the sample of the finished product prior to this

Contract, provided a certified affidavit, signed by an officer of the company, is submitted stating the test results were performed on a sample that is the same as the product that will be used on this Project.

2. Exposure minimum: 1 month at 73.4 degrees Fahrenheit.

3. During this period, the CIPP test specimens should lose no more than

20 percent of their initial flexural strength and flexural modulus when tested in accordance with ASTM F1216, when subjected to the following solutions:

Chemical Solution Concentration, percent Tap Water (pH 6 to 9) 100 Nitric Acid 5 Phosphoric Acid 10 Sulfuric Acid 10 Gasoline 100 Vegetable Oil 100 Detergent 0.1 Soap 0.1

C. Contractor shall be responsible for costs associated with the chemical resistance tests.

D. Provide proof of meeting the requirements for the design specified to the Engineer for approval at least 7 days prior to ordering any material.

2.09 CIPP END AND CONNECTION SEAL

A. CIPP end seal:

1. Use epoxy sealant compatible with liner for end seal.

2. Coat concrete or vitrified clay surfaces.

B. Connection seal:

1. Use epoxy sealant or lateral connection sealing system that is compatible with

CIPP liner system for the connection seal.

C. CIPP end and connection sealing materials and methods to be used to reinstate connecting sewers.

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D. Provide method, procedure, or information to provide either an adhesive, watertight seal to the sewer or a watertight mechanical seal between the cured sectional liner and sewer pipe wall which will not prohibit the installation of future, structural liners, sewer cleaning equipment, and CCTV equipment.

PART 3 EXECUTION

3.01 GENERAL REQUIREMENTS

A. Verify measurements and dimensions prior to manufacturing the liner.

B. Examine pipe and fittings for cracks and other physical defects immediately before installation.

1. Examine pipe ends with particular care.

2. Remove defective pipe and fittings from site.

C. Label outside of each CIPP liner tube by the liner manufacturer with the location of liner manufacturer, name of the project, liner thickness, liner diameter, liner length, and the location where it is to be installed.

D. No marking required on sectional liners.

3.02 HOST PIPE AND SITE PREPARATION

A. Bypass flow during the rehabilitation process as specified in Section 02552 - Temporary Bypass Pumping.

B. Host pipe cleaning:

1. Field verify pipeline section lengths to be cleaned and lined.

2. Evaluate confined space atmosphere to determine the presence of toxic or flammable vapors or lack of oxygen in accordance with local, state, and federal safety regulations.

3. Perform cleaning.

4. Carefully inspected sewer interior to determine the location of conditions that may prevent proper installation of CIPP.

5. Verify host pipe material and dimensions.

C. Host pipe repair:

1. Prior to insertion of the liner, take any remediation actions necessary to prepare the host pipe for insertion of the liner.

a. This will include removal of obstructions, intrusions, or smoothing of surfaces in order to ensure a proper fit and full expansion of the liner to the host pipe.

2. Host pipe preparation recommendations shall be made by the Contractor after reviewing the CCTV.

D. Structural defect repair:

1. Grind down, grout, or otherwise repair sections of the existing host pipe which have shifted, dropped, or severely deteriorated (greater than 2-inch loss of diameter) to provide a smooth continuous surface which will not reduce the

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2. Recommendations for the repair method shall be made by the Contractor after reviewing the CCTV.

E. Trimming intruding laterals:

1. Trim intruding lateral so that the service connection is flush with the internal pipe wall.

a. Document lateral cutting by internal inspection methods.

b. Verify that existing pipe is not damaged during cutting operations.

3.03 CIPP TUBE INSTALLATION

A. Designate the location where the CIPP tube will be impregnated with resin (“wet-out”).

1. Engineer approval of locations required.

2. Allow the Engineer to inspect the materials and “wet-out” procedure.

B. If the “wet-out” location is not at project site, transport impregnated CIPP tube to site under controlled environmental conditions.

1. Transport vehicles shall include a tamper resistant, sealed temperature recording device which records the temperature of the liner at times after leaving the wet-out site.

2. Decide when to transport the resin impregnated CIPP tube and when to commence installation depending on prevailing weather conditions, so as to not jeopardize the installation or be detrimental to the long-term performance of the CIPP.

C. Install liner by the inversion tube method.

D. Lower resin-impregnated tube through an inversion tube and reducer, if needed.

1. Install CIPP liner through existing manholes.

2. No separate payment will be made for additional or enhanced access to facilitate the Contractor’s CIPP liner installation process.

E. Monitor the exotherm temperature:

1. By remote temperature sensors placed at the interface of the existing pipe and the CIPP for pipe meeting the following conditions:

a. CIPP liner thicknesses greater than 0.75 inch.

b. Where the existing pipe, soil, and groundwater combination is likely to provide a significant heat sink, affecting the temperature gradient across the CIPP liner material.

2. Install a minimum of 2 temperature sensors.

a. Install 1 sensor at either end of the length being lined.

3. Do not terminate curing process until the temperature sensor readings indicate that a satisfactory cure has been completed.

4. Manage any extended cure times to not adversely affect the properties of the CIPP lining material.

5. Evacuate water from the pipe at a controlled rate to prevent negative pressure in the pipe and negative impacts to downstream facilities.

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F. Curing process:

1. Follow a step cure using water as recommended by the manufacturer and approved by the Engineer.

a. Hold at the top step for an adequate length of time to ensure that the design physical properties are attained.

2. Cool circulation water condensate to at least 100 degrees Fahrenheit for

1 hour before releasing the pressure.

3. Maximum rate of temperature rise and fall during heating and cooling:

2 degrees Fahrenheit per minute.

4. Provide sampling plan that demonstrates pollutants are not being discharged into the sanitary sewer system.

G. Seal the end points of the liner so that no leakage of fluids may infiltrate between the liner and the existing pipe.

H. Apply either epoxy sealant or lateral connection sealing system, after CIPP acceptance, to completely seal area around opening of the liner and the connection.

1. Installation of the connection seal shall not, in any way, damage or adversely affect the CIPP in any way.

2. Repair or replace damaged CIPP liner at no additional cost to the Owner.

3. Trim loose or hanging/intruding pipe connection seals to be flush with the internal pipe wall.

4. Do not fold the hanging/intruding material.

I. Inspect CIPP after installation as specified in this Section.

3.04 FINISHED PRODUCT

A. Provide finished CIPP continuous over the entire length of a manhole to manhole section of pipe, except for sectional liner point repairs.

B. Remove or repair defects determined by the Engineer as affecting the integrity or strength of CIPP or as adversely affecting the hydraulic capacity of pipe.

1. Defects, including the following:

a. Foreign inclusions.

b. Dry spots.

c. Pinholes.

d. Delamination.

e. Lifts.

f. Seam separation.

g. Wrinkles:

1) With the following conditions:

a) Cause a backwater of 1 inch or more.

b) Reduce the structural integrity of CIPP.

2. At no additional cost to the Owner.

3. Engineer approval of repair method required.

3.05 CIPP LINER SAMPLING AND TESTING

A. Confirm fit and finish meets the visual classification standards in accordance with

ASTM D5813.

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B. Secure confined plate samples and arrange for testing to confirm the CIPP flexural strength, tensile strength, flexural modulus, and thickness in accordance with the requirements of ASTM D5813, ASTM D638, ASTM D790, and ASTM D3567 for each liner installed.

C. Prepare a sample of the installed CIPP liner for subsequent third-party testing of its physical properties.

1. Sampling shall be performed for each separate installation of CIPP or 1 test per batch-order of sectional liner or 1 test per batch order of sectional liner not taken from actual live installation:

a. Example: Provide 1 sample from each pipeline reach where the liner is installed.

2. Determine minimum wall thickness at a minimum of 3 locations on a cut section of the CIPP lining using a method of measurement accurate to the nearest 0.005 inch.

3. Prepare sample using the flat plate sampling method in accordance with

ASTM F1216.

a. Sample size minimum: Large enough to provide 5 sample specimens each for short-term flexural (bending) properties in accordance with

ASTM D790.

b. Clamp sample in a mold and place in the downtube during the curing of the CIPP tube.

c. Remove sample after water is removed from the cured pipe tube.

4. Identify samples with date, project name, size, thickness, location, resin, and catalyst.

5. Double bag and seal sample.

D. Test cured sample by an independent testing laboratory as recommended by the CIPP liner manufacturer and approved by the Engineer.

1. Short-term flexural (bending) properties in accordance with ASTM D790.

2. Tensile properties in accordance with ASTM D638.

3. Long-term properties in accordance with ASTM D2990.

4. Contractor shall be responsible for any deviation from the specified physical properties and those evaluated through testing.

a. Failure to meet the specified physical properties shall result in the CIPP liner being considered defective work and shall be rejected.

5. Contractor shall be responsible for costs associated with the testing of the liner physical properties.

E. Where the structural design of the liner is premised on achieving adhesion or bond to the host pipe, secure confined samples and test them in accordance with ASTM D4541 for each liner installed.

F. Where the function design of the liner requires achieving adhesion or bond to the host pipe for axial restraint, secure confined samples and test them in accordance with ASTM D4541 for every second liner installation.

3.06 ACCEPTANCE TESTING

A. Leakage testing in accordance with ASTM F2164 with the following exceptions:

1. No leakage test will be required for sectional liners.

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2. Test pressure maximum: 1.3 times the maximum surge pressure of the existing system or a minimum of 5 pounds per square inch.

3. Stabilized pipe test duration: 2 hours.

B. Wall thickness of samples shall be determined in accordance with ASTM D5813.

1. Maximum wall thickness at any point: 1-inch.

2. In accordance with structural integrity and pressure rating requirements.

C. Post-Lining Inspection video to be conducted by the contractor and provided to the owner for review.

3.07 SITE CLEAN-UP

A. Clean project area.

B. Dispose of excess material and debris, not incorporated into the permanent installation, at off-site location approved by the Engineer.

C. Clean, repair, and refinish surfaces damaged by Contractor's activities to the original or required condition.

END OF SECTION

AD1 Addendum No. 1

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