00413.01 351 Section 00413 – GRP Cured -in-Place Pipe Lining UV C ure Description
00413.00 Scope - This Work consists of rehabilitating existing pipes by furnishing and installing
Glass Reinforced thermosetting Plastic (GRP) cured-in -place pipe (CIPP) liners as shown and using ultraviolet (UV) cure methods.
00413.01 Submittals - Submit the following at least 10 Calendar Days before the preconstruction
conference. List each submittal in a table of contents including a corresponding page number. Certification by the lining system manufacturer that the installer is licensed and certified as competent to perform the Work. Documentation showing the installer meets the qualifications listed in 00413.30, and a list of the key qualified personnel who are assigned to Work on this Project. Manufacturer's technical data showing complete information on material composition, physical properties, and dimensions of sys tem components of the tube and resin system. Include manufacturer's recommendation for handling and storage. Independent third party certification of test results confirming that the CIPP liner system meets the initial structure properties according to ASTM F2019. Independent third party certification of test results confirming that the CIPP liner system meets the minimum chemical resistance requirements according to ASTM F2019 and ASTM D5813 Section 6.4, when lining storm sewers, sanitary sewers, industri al applications or as directed. Calculations for the volume of resin to be used for each segment and detailed description of the resin impregnation (“wet out”) process. Include the tube and manufacturer's resin impregnation (“wet out”) recommendations inc luding the roller gap, material feed speed and vacuum requirements for each liner size and thickness. Upon liner system delivery, submit impregnation (“wet out”) logs documenting resin volumes used. Detailed installation plan describing project staging, l iner shot plan and sequence, and the manufacturer’s standard procedures for liner installation. Include allowable pulling forces, installation pressures, allowable curing temperatures, temperature monitoring plan, and speed of the UV light train for proper curing of the installed liner. Liner shot and curing schedule for each installation. Include curing log and pressures at the upstream and downstream end of the pipe during the curing process. End seal M aterial to be used, and method of installation. Hy draulic cements and quick -set cement products are not acceptable. Field sampling and testing plan for physical properties according to ASTM F2019. Include the name and location of independent third party laboratory performing testing on the installed liner system. Provide certification that the independent third party laboratory has the appropriate accreditation for each specified tests to be performed. Contingency repair plan including methods and Equipment to be used to repair or replace unacceptable li ner defects identified in 00413.72. Stamped design of the proposed liner according to 00150.35 and 00413.02. Submit the following for approval according to 00150.37 at least 10 Calendar Days before ordering tube(s): Verify Pipe length, rise and span, for each installation according to Section 00415 and include the corresponding tube size that will be ordered for each installation according to 00413.10. Do not order Material(s) until approval has been received. 00413.02 352 00413.02 Design Parameters - Follow the design considerations of ASTM F2019 and meet the following: Condition Parameter Service Life ....................................... Greater than 50 years Pipe Conditions ................................. Fully deteriorated Load Conditions: Soil .......................................... 125 lb/cf minimum Traffic .......................................... LRFD HL -93 live load Height of fill from i nvert ..................... * Groundwater Elevation above Invert . * Pipe Ovality ...................................... 3% minimum Modulus of Soil Reaction .................. 700 psi Enhancement Factor ........................ 7.0 Long-Term Flexural: Strength ........................................ 50% of initial (ASTM D790) Modulus of Elasticity ..................... 50% of initial (ASTM D790) Maximum Deflection ......................... 5% Minimum Factor of Safety ................. 2.0 Poisson’s Ratio of ............................ 0.3 * Parameters will be listed in the Special Provisions. Materials
00413.10 Tube - Furnish tubing that consists of at least two separate tubes made of corrosion
resistant (E -CR or equivalent) glass fibers according to ASTM D578 and ASTM F2019. Verify pipe lengths and pipe inside diameters before ordering tubing. Provide flexible tubing that exhibits the following characteristics : Constructed to withstand pulling and installation forces. Fabricated to a size that when installed, conforms to the internal circumference and length the of host pipe. Sewn or bonded seams, stronger than the non- seamed material, as recommended by the tube manufacturer. Includes an impermeable inner and outer foil layer to contain resin migration and contamination. The inner foil should release easily from the inside wall for removal after completion of installation or remain if fabricated as a permanent part of the system and an integral part of the fabri c tube by bonding or fusing to the fabric tube. Homogeneous across the entire wall thickness containing no intermediate or encapsulated elastomeric layers. Do not include any material in the tube that may cause delamination in the CIPP. After installation the wall color of the interior pipe surface of CIPP is a light reflective color.
00413.11 Resin - Furnish resins m eeting the requirements of ASTM F2019, Section 5.4 for UV -Light.
Comply with the structural requirements specified for the installed liner system and the following: Compatible with the installation process. Chemically resistant UV cured isophthalic, polyester resin or vinyl ester resin. Capable of curing in the presence and absence of water. 00413.40 353 Completely impregnate (“wet out”) the liner with resin in the manufacture’s plant under quality controlled conditions. Attach certification (provided by the manufac turer), according to ASTM F2019, to the impregnated fabric tube. No onsite or mobile resin impregnation is allowed.
00413.12 Liner Properties - Fabricate the liner to a size that when cured, will tightly fit the pipe being
rehabilitated and meet the following requirements: Furnish liners that have the minimum phy sical properties stated in A STM F2019 and tested according to ASTM D790. Be resistant to chemical properties . Characteristic Test Method Test Value Initial Flexural Strength ASTM D790 6,500 psi* Flexural Modulus of Elasticity ASTM D790 725,000 psi *Minimum flexural strength i n both the circumferential and longitudinal direction.
00413.13 Delivery and Storage - Deliver and store all product Materials according to the
manufacturer’s recommendations and accompanied by the material safety data sheets. Store and transport the i mpregnated liner according to ASTM F2019, Section 6.4 and the manufacturer’s recommendations. Use tubing Material that is homogenous throughout, free from tears, holes, cracks, foreign materials and other surface defects. Labor
00413.30 Personnel Qualifications - Provide installers who:
Are licensed, and certified by the manufacturer of the CIPP product system to be used on the Project. Have at least 3 years of active experience in the installation and UV curing method s of GRP CIPP according to ASTM F2019. Have installed at least 50,000 feet of UV -GRP CIPP according to ASTM F2019. or Provide a m anufacturer’s representative with at least three years’ experience with UV -GRP CIPP installation in pipes and has installed at least 50,000 feet of UV -GRP CIPP according to ASTM F2019. The Contractor is responsible to ensure the manufacturer’s representat ive is on - site during the initial installation. When the representative is not on- site, provide the telephone number of a manufacturer’s representative who is available on a 24-hour basis throughout the Project duration. Provide a supervisor for the UV -GRP CIPP installation who is assigned to the Project full time during the UV -GRP CIPP installation Work and has supervised at least 30,000 feet of UV -GRP CIPP according to ASTM F2019. Construction
00413.40 General - Field verify pipe inside diameter(s) throughout the pipe, length(s), alignment,
material and condition of the host pipe prior to ordering liner material and construction. Handle and store all liner Material to ensure that the Material is not torn, cut, exposed to direct sunlight or otherwise damaged. Before installing the liner: 00413.41 Verify the liners condition with the Engineer. If any part of the liner Material becomes torn, cut, or damaged before or during insertion, repair or replace the liner at no additional cost to the Agency before proceeding further.
00413.41 Pipe Cleaning - Clean the pipe by removing all debris, sediment, and other accumulated
material. Do not use chemicals without the written approval of the Engineer. Remove and dis pose of all debris according to 00290.20.
00413.42 Pre -Installation:
a.Video Pipe Inspection - After cleaning the pipe, perform a pre-installation video inspection of the pipe according to Section 00415.
b.Pre -Installation Point Repairs - If pre -installation video inspection reveals unanticipated obstructions, reduction in cross -sectional area, sags, previous repairs, or any structural defects in the pipe, submit a point repair plan to the Engineer for approval. All point repairs must restore the host pipe to a condition suit able for UV -CIPP lining. Approved unanticipated point repairs to restore the host pipe suitable for UV -CIPP linin g will be paid for according to 00195.20 . Seal all active water infiltration into the pipe prior to application of the liner with an approved epoxy or resin mixture compatible with the GRP CIPP liner system used.
00413.43 Installation - Install liner system according to ASTM F2019 and the manufacturer's
recommendations.
a.General - Provide temporary downstream dams or filtration measures in the pipeline to catch excess resin and construction debris. Provide a "back -up" robotic cutter assembly train and key spare components on- site during CIPP lining activities.
b.Pipe Liner End Seal - Install a continuous or properly trimmed end seal between the end of the new liner and the host pipe connection. Insert end seals at each Structure opening centered with the host pipe. Butt the trimmed end seal edges against each other at the crown of the pipe using a 45 degree miter cut. Seals, with any gap between the ends, will not be accepted.
c.Installation - Prior to inserting the liner, install a slip sheet through the entire length of the host pipe to protect the liner from damage during installation. Attach the liner securely to a const ant tension winch and pull into place. Do not exceed the manufacturer’s recommendations for pulling forces (tension) and speed. Inflate the liner by air to an initial pressure, recommended by the manufacturer, until the liner fits tight against the wall of the existing host pipe. Ensure the pressure head used during the installation process is sufficient to hold the liner tight to the pipe wall, and prevent wrinkles in the cured liner. During the curing process use the same pressure head to prevent water infiltration from entering the pipeline. Maintain the pressure head long enough to allow pockets of water to exfiltrate through the host pipe and prevent lifts in the liner and resin washout.
d.UV Curing Method - Cure the liner according to ASTM F2019, Section 6.7, with the following modifications: 00413.73 A camera must be located on the ultraviolet light assembly to view that the liner is properly inflated and identify any liner problems before curing begins. Operate the ultraviolet curing lamps in a sufficient frequency range to ensure the curing of the resin. Submit a documented record of time, rate of travel of the ultraviolet light assembly, internal pressures, and the amount of lamps in operation during the curing process to the Engineer upon request. Finishing, Cleaning Up, and Testing
00413.70 General - Ensure the cured liner is continuous and free from visual defects such as foreign
inclusions, dry spots, pinholes, delamination, and wrinkles at any location. Verify the lining is impervious and free of any leakage from water infiltration into the lined pipe or exfiltration from the lined pipe. Cut both ends of the cured liner flush at the inlet and outlet points of the pipe, and sealed with an epoxy or resin mixture compatible with the liner/resin system, providing a watertight seal. Remove any temporary dams or filtration measures after Work is complete and pipe is clean and restored.
00413.71 Post Installation Video - After installation of the UV-CIPP perform a post-installation video
inspection of the pipe according to Section 00415.
00413.72 Material Sampling and Testing - Obtain restrained samples and perform material testing
according to ASTM F2019 Section 7 for UV cure with the following modifications: Individually label and log each sample with the following information: Project name Name of Contractor Sampler’s name Sample number Date and time of sample Location of sample Initial cure start date and time Name and location of third party laboratory Flexural properties must meet or exceed the values according to 00413.12. If core sample method was used, repair core hole samples using the same tube that was used in the installed liner, and an epoxy or resin mixture compatible with the GRP CIPP liner system used. Repair patches must fill the cores completely. Apply a second oversized 1.5mm thickness patch over the repaired hole to ensure a watertight seal.
00413.73 Repairs - Before making repairs, provide the CIPP liner system manufacturer's
recommendations for liner repairs, subject to approval. Repair or replace CIPP liners at no additional cost to the Agency per the manufacturer’s recommendations that have: 00413.75 Wrinkles, fins or other discontinuities in the lower one third of the pipe that are perpendicular to the flow and exceed 1/2 inches in height, or are greater than 3 percent of the host pipe inside diameter. Wrinkles, fins or other discontinuities in the upper two thirds of the pipe that are perpendicular to the flow and are greater in height than 5 percent of the host pipe inside diameter. Holes, blisters, dimples, lifts or dry spots present. Tears or gouges. Leakage of water through the liner according to ASTM F2019 Section 7.3. Separation of the liner from the host pipe. Delamination of CIPP layers. Design thickness is less than 90 percent of submitted value as determined by ASTM F2019. Any space or gap between the outside surface of the liner and the inside surface of the existing pipe that exceeds 0.040 inches.
00413.75 Contractor Warranty - The Contractor unconditionally warrants to the Agency the product
and installation under this Section against failure, according to this Subsection and 00170.85(b)(1). "Unconditionally warrant" means that the warranty covers all failures, regardless of the source or cause of the failure, including, without limitation, whether the source or cause is or may be related to workmanship, inspection, or choice of Materials. The Agency inspection of any portion of the Work during the Contract and during the product installation, the Agency acceptance of the Work, corrections under the warranty, or expiration of the warranty shall not relieve the obligations under this warranty.
a.Warranty Period - The warranty period shall be for 1 year.
b.Failure - For purposes of the warranty, failure is defined as one or more of the following: Wrinkles, fins or other discontinuities in the lower one-third of the pipe that are perpendicular to the flow and exceed 1/2 inch in height, or are greater than 3 percent of the host pipe inside diameter. Wrinkles, fins or other discontinuities in the upper two thirds of the pipe that are perpendicular to the flow and are greater in height than 5 percent of the host pipe inside diameter. Holes, blisters, dimples, lifts or dry spots. Tears or gouges. Leakage of water through the liner according to ASTM F2019 Section 7.3. Separation of the liner from the host pipe. Delamination of CIPP layers. Design thickness is less than 90 percent of submitted value as determined by ASTM F2019. Any space or gap between the outside surface of the liner and the inside surface of the existing pipe that exceeds 0.040 inches.
c.Remedy - Upon notification by the Engineer of a failure as defined above, provide the following remedy at no additional cost to the Agency: Liner repair plan and written timeline of when the Work will be completed within 10 Calendar Days of the Agency’s written notification of failure. One of the following, as approved: 00413.90 • Install a second liner, • Remove the failed liner and install a full-thickness liner, • Construct a full pipe replacement, or • Install a liner repair. Complete one of the approved remedies within 60 Calendar Days of the Agency's written notification of failure. Use Materials and procedures meeting the Specifications. Coordinate timing of repair Work with the Engineer.
d.Agency's Right to Make Repairs - If, in the opinion of the Engineer, a failure causes or may cause a hazard, the failure may be temporarily corrected by Agency or other forces at no additional cost to the Agency. Replace temporary repairs with permanent repairs at no additional cost to the Agency and according to the Specifications and within the time specified in 00413.75(c). Measurement
00413.80 Measurement - The quantities of installed CIPP liners, of the various kinds, types, and
sizes, will be measured on the length basis. The length will be measured, with no deduction for Structures or fittings, along the pipe flow line from center to center of manholes, inlets, Structures, special sections, or the ends of pipe, whichever is applicable. Payment
00413.90 Payment - The accepted quantities of Work performed under this Section will be paid for
at the Contract unit price, per unit of measurement, for the following items: Pay Item Unit of Measurement
a.CIPP Liner, ____ Inch .......................................................................... Foot In item (a), the nominal size of the host pipe will be inserted in the blank. Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment, labor, and Incidentals necessary to complete the Work as specified. 00414.00
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Source: Oregon Standard Specifications for Construction, 2024 Edition. Pages 417–423 of 1,268. View official source ↗