Amendment 0001 W912P622B0007 Independence Hill Conservancy District Sanitary Sewer.pdf

W81G6621404560

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

REFERENCE: INVITATION FOR BIDS NO.W912P622B0007 INDEPENDENCE HILL CONSERVANCY DISTRICT SANITARY SEWER LATERAL

PIPELING - SECTION 219, MERRILLVILLE, LAKE COUNTY, INDIANA (USACE ACQUISITION)

A. The Bid Opening Date is EXTENDED by this Amendment. The response due date is extended to December 21, 2022, the response time is unchanged. Therefore, bids shall be submitted PRIOR TO 2:00 p.m. (Central Time) on December 21, 2022. For further details regarding bid submission, please refer to Solicitation Section 00 22 13 – “Supplementary Instructions to Bidders.”

- THIS AMENDMENT CONTINUES ON THE NEXT PAGES -

1. CONTRACT ID CODE PAGE OF PAGES

1 3

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 15-Dec-2022

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912P622B0007

X 9B. DATED (SEE ITEM 11)

17-Nov-2022

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer X is extended, is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

15-Dec-2022

CODE

U.S. ARMY ENGINEER DISTRICT, CHICAGO

231 SOUTH LASALLE STREET SUITE 1500

CHICAGO IL 60604-1437

W912P6 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912P622B0007

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

The following items are applicable to this modification:

SUMMARY OF CHANGES

B. AMENDED SPECIFICATION SECTIONS: The following Specification Sections have been revised. The revised sections are enclosed hereunder and replace the previously furnished sections.

Specifications SECTION 22 05 83.63 CURED-IN-PLACE PIPE (CIPP) LINING –

1) 2.1 SYSTEM DESCRIPTION

Subsection 2.1 b:

i) Paragraph 9 – 4th line Deleted “in accordance with ASTM F1216. Submit product data for the epoxy resin, liner materials,” and replaced it with “in accordance with ASTM F1216 or ASTM 2561. Submit product data for the Epoxy Resin, Polyester or Vinylester resin, liner materials, II) Paragraph 10 Deleted “The minimum thickness for the liner material shall be verified by design calculations prepared by a Professional Engineer familiar with CIPP design for each specific pipe location” and replaced it with “The minimum thickness for the material shall be verified by a single design calculations prepared by a Professional Engineer familiar with CIPP design using the project maximum assumptions”

2) Section 2.2.1 a. CIPP Lateral Material Subsection i:

Deleted “and/or a semi-rigid collar at the connection that will create a watertight seal at the main pipe diameter” and replaced it with “and/or a collar at the connection that will create a watertight seal at the main pipe diameter”

3) Section 2.2.4 CIPP Properties Deleted Paragraph below Table 2 as follows:

Deleted “Provide a cured liner with a light blue reflective internal wall color so that a CCTV inspection can show details clearly.”

4) Section 2.2.5 Resin Paragraph 1 – last line Deleted “Do not use Polyester or Vinylester resins.”

5) Section 3.1.5 Installation of Lateral Lining Revised Subsection e.

Added “or ASTM F 3249 “ after “ for Ultra Violet cured pipe” The line reads as follows:

“for Ultra Violet cured pipe, or ASTM F2561.”

6) Section 3.1.5 Installation of Lateral Lining Subsection j:

Added at the end of the subsection the following:

“Alternatively, the Contractor can use a Seamless Molded Hydrophilic Gasket complying with ASTM F3240.”

C. POINT OF CONTACT: The Point of Contact for this Amendment is Ericka Hillard at ericka.d.hillard@usace.army.mil.

W912P622B0007

END OF AMENDMENT NO. 0001

(REVISED SPECIFICATIONS FOLLOWS ON THE NEXT PAGES)

Independence Hill Conservancy District Sewer, Lake Co., IN W912P622B0007

SECTION TABLE OF CONTENTS

DIVISION 22 - PLUMBING

SECTION 22 05 83.63

CURED-IN-PLACE PIPE (CIPP) LINING

11/16

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 PROJECT/SITE CONDITIONS

1.4 WARRANTY

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

2.2 MATERIALS

2.2.1 CIPP Lateral Material

2.2.2 Structural

2.2.3 CIPP Lining Tube

2.2.4 CIPP Properties

2.2.5 Resin

2.2.6 Material and Equipment Acceptance

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Preparations

3.1.2 Experience

3.1.3 Deviations

3.1.4 Pipe Preparation

3.1.5 Installation of Lateral Lining

3.1.5.1 Set-Up

3.1.6 Liner Inspection

3.2 FIELD QUALITY CONTROL

3.3 ADJUSTING AND CLEANING

3.4 Patents

3.5 Warranties

3.6 Qualifications

-- End of Section Table of Contents --

SECTION 22 05 83.63 Page 1

AMD0001 - 12/15/22

SECTION 22 05 83.63

CURED-IN-PLACE PIPE (CIPP) LINING

11/16

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA C950 (2020) Fiberglass Pressure Pipe

ASTM INTERNATIONAL (ASTM)

ASTM D543 (2020) Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents

ASTM D638 (2014) Standard Test Method for Tensile Properties of Plastics

ASTM D790 (2017) Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

ASTM F1216 (2016) Standard Practice for Rehabilitation of Existing Pipelines and Conduits by the Inversion and Curing of a Resin-Impregnated Tube

ASTM F1743 (2016) Standard Practice for Rehabilitation of Existing Pipeline and Conduits by Pulled-In-Place Installation of Cured-In-Place Thermosetting Resin Pipe

(CIPP)

ASTM F2561 (2020) Standard Practice for Rehabilitation of a Sewer Service Lateral and its Connection to the Main Using a One Piece Main and Lateral Cured-in-Place Liner.

ASTM F3240-19 (2019) Standard Practice for Installation of Seamless Molded Hydrophilic Gaskets (SMHG) for Long-Term Water-tightness of Cured -in Place Rehabilitation of Main and Lateral Pipelines.

1.2 SUBMITTALS

Government approval is required for submittals with a "G" or "S"

SECTION 22 05 83.63 Page 2 classification. Submittals not having a "G" or "S" classification are for information only. When used, an "AE" designation following the "G" classification identifies the submittal will be reviewed by the local Sponsor's (LS's) Engineer. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-03 Product Data

Installation Equipment ; G, AE

CIPP Lining Tube ; G, AE

Pipe Thermoset Epoxy Resin ; G, AE

Liner Materials ; G, AE

Polyester or Vinylester Resin ; G, AE

SD-08 Manufacturer's Instructions

CIPP Manufacturer's Written Installation Instructions

SD-11 Closeout Submittals

Report Summarizing The Extent Of the Pipe Lining Performed ; G, AE

Pipe Pre-Lining Inspection

Pipe Post-Lining Inspection

Manufacturer's Warranty

Record Drawings

1.3 PROJECT/SITE CONDITIONS

Clean & Inspect the Lateral lines with closed -circuit television (CCTV) and determine the overall condition of the lateral pipes before the pre-conditioning of the pipe. The Contracting Officer shall review the pre lining inspection video prior to any cured-in-place pipe (CIPP) operations commencing. Contractor shall proceed for lining of sewer only after the approval of the Contracting Officer. Contractor shall provide a pre-CIPP and post-CIPP video of the lined sewer laterals within each sewer segment lines (Manhole to Manhole). See Section 33 01 30.16 TV INSPECTION OF

SEWERS.

Independence Hill Conservancy District (IHCD) lined their sewer mains in the project area between 2009 & 2012. They have a CCTV inspection Videos of the post-CIPP Sewer Mains. These videos are available for viewing in IHCD's office to Contractors interested in bidding on the project during the normal business hours with a pre scheduled appointment.

1.4 WARRANTY

Submit Three copies of the signed Manufacturer's Warranty for products within two weeks of final completion of the work.

SECTION 22 05 83.63 Page 3

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

a. It is the intent of this specification to provide for the structural re-construction of 4" thru 6" diameter service laterals and a water tight interface connection seal in 8-inch through 12-inch pre-lined sewer main pipes, without excavation, by the installation of a one-piece resin impregnated, flexible, non-woven felt liner installed into the existing lateral connection utilizing a pressure apparatus positioned in the main pipe. Curing shall be accomplished by use of ambient cure resin or other approved methods to cure the resin into a hard impermeable Cured-In-Place-Pipe (CIPP). When cured, the liner shall have a watertight connection seal at the main pipe and extend 5' measured from the Sewer Main over the length of the service lateral in a structural pipe-within-a-pipe.

b. Contractor is required to submit a Homeowners Notification flyer on company letterhead to the Contracting Officer. Once approved, the flyer should be posted on homeowner's door 48-hours in advance (minimum) of cleaning/televising/CIPP activities for each sewer lateral that will be lined or cleaned. The flyer shall contain the following and any additional information deemed important for the homeowners to know about lining activities occurring in their neighborhood:

i. Date and time frame any CIPP lining activities will occur;

Owner reserves the right to request modifications to flyer before its approval.

ii. What homeowner should do to prepare for cleaning/televising/CIPP lining activities;

iii. What homeowner should do in case styrene smoke is seen or smelled;

iv. "Information about Styrene" fact sheet (i.e., describes plastic smell, how styrene is used in the sewer repair process, styrene odors and health risks for humans and pets, etc.); and

v. Safety Data Sheet (SDS) available upon request notation with Contractor's contact information including a telephone number (Contractor will keep a stock onsite and be the responsible party to deliver such requests).

Contractor shall submit the flyer to Contracting Officer's Representative (COR), Engineer, and Owner for approval prior to its use for this project.

Owner reserves the right to request modifications to flyer before its approval.

All sewers and manholes within project shall be cleaned of all construction debris.

Perform the reconstruction using a tube of one or more layers of flexible needle-perforated felt or an equivalent non-woven perforated material and a thermo-set resin with physical and chemical properties appropriate for the application, in accordance with ASTM F1216. Submit product data for the epoxy resin or ASTM 2561. Submit product data for the Epoxy Resin , Polyester or Vinylester resin , liner materials , and installation equipment .

The Felt Tube shall be fabricated to a size that, when installed, will

SECTION 22 05 83.63 Page 4 neatly fit the internal circumference of the conduit. Allowance shall be made for circumferential stretching during insertion. Contractor is responsible to confirm pipe diameters and roundness for liner material calculations for each specific lateral pipe location.

The minimum thickness for the liner material shall be verified by design calculations prepared by a Professional Engineer familiar with CIPP design for each specific pipe location material shall be verified by a single design calculations prepared by a Professional Engineer familiar with CIPP design using the project maximum assumptions . Design of the liner shall be based on the conditions of the existing pipe which shall be classified as fully deteriorated based on the definitions thereof contained in ASTM F1216 Appendix X1. The liner shall be designed to withstand all imposed loads, including live loads if applicable and hydrostatic pressure. The groundwater elevation above the invert of the existing sewer to receive lining shall be actual depth to crown. The proposed cured-in-place liner to be used shall be designed for a minimum 50-year service life under continuous loading conditions.

Provide a new cured-in-place pipe (CIPP) lining system for the wastewater lateral sewers that is complete and ready for operation .

2.2 MATERIALS

2.2.1 CIPP Lateral Material

a. CIPP Lateral Material

i. The liner shall be fabricated to a size that when installed will neatly fit the internal circumference of the conduit with a minimum length of 5-inches into the sewer Main side of the connection and 5' length along the lateral. Allowance shall be made for circumferential stretching during insertion. The liner shall be a joint-less polyester felt "tube" with sewn seams and/or a semi - rigid collar at the connection that will create a watertight seal at the main pipe interface collar at the connection that will create a watertight seal at the main pipe diameter .

ii. The length shall be a distance to effectively span from the lateral connection at the main pipe to the termination location of 5 feet from the main in the service lateral pipe. The lateral liner must provide a watertight seal at the main pipe and a structural repair of the lateral for the length of 5 feet. The installer shall verify the lengths in the field before impregnation of the resin.

iii. Unless otherwise specified, this Installer shall furnish a specially designed, unsaturated, Polyester or Vinylester resin and catalyst system compatible with the cured-in-place process that provides cured physical strengths specified herein.

b. Physical Strength

i. The structural performance of the finished cured-in-place-pipe must be adequate to accommodate all anticipated loads throughout its design life. No cured-in-place-pipe reconstruction technology will be allowed that requires bonding to the existing pipe for any part of its structural strength. Only resin saturation using

SECTION 22 05 83.63 Page 5 vacuum impregnation will be allowed.

ii. Design methods are to be derived from traditionally accepted pipe formulas for various loading parameters and modes of failure.

All equations will be modified to include ovality as a design parameter. The design method shall be submitted to the Engineer for approval.

iii. The CIPP lateral pipe shall conform to the minimum structural standards as listed below:

Property ASTM Standard Result Flexural Stress ASTM D790 4,500 psi Flexural Modulus ASTM D790 250,000 psi

2.2.2 Structural

All pipes to be rehabilitated shall be considered fully deteriorated for structural design purpose.

The CIPP shall be designed as per ASTM F 1216 with the following design parameters:

Design Safety Factor 2

%Ovality 2

Ground Water Depth (Ft) above Invert 8 feet

Soil Depth above the Crown 15 feet (Minimum)

Soil Modulus (psi) 1633

Live Load H-20

Minimum Thickness 4 mm (4 inch & 6 inch lateral)

Product shall be sized to fit the pipe allowing for circumferential and longitudinal stretching during installation, so that the final cured product will be tight against the existing pipe wall.The product will be suitable for use with raw untreated wastewater, including being resistant to sewage having a pH range of 5 to 11 and temperature up to 150 degrees F.

The line shall be designed for a minimum service life of 50 years.

2.2.3 CIPP Lining Tube

Provide a liner tube consisting of one or more layers of flexible needle-perforated felt or an equivalent non-woven perforated material, continuous in length with uniform wall thickness. Allow overlapping sections in the length of the liner. Ensure that the liner tube can conform to 45- and 90-degree bends, offset joints, bells, and disfigured pipe sections.

Provide an integrated bladder within the felt tube. Ensure that the bladder is made from materials compatible with the felt and resin systems used and can withstand the required installation pressure.

Provide fiberglass pressure pipe in accordance with AWWA C950.

SECTION 22 05 83.63 Page 6

2.2.4 CIPP Properties

Provide a CIPP that meets minimum chemical-resistance requirements in accordance with ASTM D543. Conduct a test whereby the CIPP is exposed to the chemical solutions listed in Table 1 at temperatures up to 75 degrees F .

Conduct this test for a minimum of one month. Do not accept the CIPP if the values for the CIPP's structural properties show a loss of 20 percent or more from the initial values.

TABLE 1 - CHEMICAL-RESISTANCE REQUIREMENTS

Chemical Solution Concentration Percent

Tap Water (pH 6-9) 100.0

Nitric Acid 5.0

Phosphoric Acid 10.0

Sulfuric Acid 10.0

Gasoline 100.0

Vegetable Oil 100.0

Detergent or Soap 0.1

Ensure that the CIPP meets the minimum structural properties listed in Table 2:

TABLE 2 - CIPP INITIAL STRUCTURAL PROPERTIES - ASTM F1743

Property ASTM Test Method Minimum Value

Tensile Strength ASTM D638 3,000 psi

Flexural Strength ASTM D790 4,500 psi

Short-Term Flexural Modulus of Elasticity

ASTM D790 250,000 psi

Provide a cured liner with a light blue reflective internal wall color so that a CCTV inspection can show details clearly.

2.2.5 Resin

Provide an epoxy-resin-impregnated, cured tube that is resistant to shrinkage, corrosion, and oxidation resistant to abrasion from solids, grit, and sand in rainwater; and is solvent-free. Use a resin with proven resistance to storm water and ultra-violet light (sunlight) before to installation. Do not use polyester or vinyl ester resins.

Ensure that the proposed resin system does not contain silicones, stearates, or natural waxes that would adversely affect the adhesive properties or other chemical or physical properties of the CIPP liner.

SECTION 22 05 83.63 Page 7

2.2.6 Material and Equipment Acceptance

At the time of manufacture, each lot of liner shall be inspected for defects. At the time of installation, the liner shall be homogeneous throughout, uniform in color, free of holes, foreign materials, blisters, or deleterious materials.

No sewer segment shall be lined without prior notification of the Owner, or Contracting Officer's Representative (COR) and LS. Each liner shall be subject to inspection by the Contracting Officer immediately before it is installed, and the defective liner shall be rejected.

The Contractor shall furnish, prior to use of the lining materials, satisfactory written guarantee of his compliance with the manufacturer's standards for all materials and techniques being used in the cured-in-place lining process. The Contractor shall provide certified test results from the manufacturer that the material conforms with the applicable requirements. Materials not complying with requirements shall be rejected.

PART 3 EXECUTION

3.1 INSTALLATION

Install the CIPP system, including materials, workmanship, fabrication, assembly, erection, examination, and inspection.

3.1.1 Preparations

a. Complete the following preparations, unless approved otherwise by the Contracting Officer. The Contractor may have to remove the fencing for his work, and must place existing fencing in the previous location at the end of a work day. This work should be coordinated with the homeowner. The Contracting Officer makes no guarantee regarding the information, data, and physical condition of underground facilities or existing pipe lines.

Before commencing with any lining work, or ordering any materials, perform CCTV inspection of existing lateral pipes to verify that rehabilitation specified herein is appropriate.

b. Safety- The Installer shall carry out his operations in strict accordance with all applicable OSHA standards. Particular attention is drawn to those safety requirements involving entrance into confined spaces. It is the Contractor's responsibility to familiarize themselves with OSHA standards and Regulations pertaining to all aspects of the work.

c. Pre-Lining Cleaning

It is the Contractor's responsibility to wash, clean, removal of mineral deposits and removal of roots if present and video of existing laterals before lining. Plan work after review of CCTV inspection video and CCTV reports. Field copies of the pre-installation video records shall be provided to the Owner within 48 hours of completion of each day's work.

Owner shall review the video records within 7 business days of receipt and will give approval to proceed with installation. No CIPP shall be installed until written approval has been received from the owner and the Contractor has submitted documentation of the approval notice to the Contracting Officer's Representative.

d. Pipe Line Obstructions

SECTION 22 05 83.63 Page 8

If a pre-installation inspection reveals an obstruction (such as heavy solids, dropped joints, protruding service connection or collapsed pipe) in the existing lateral that can not be removed by pipe cleaning equipment, Contractor is to notify Independence Hill Conservancy District (IHCD) to perform a point repair of the lateral. IHCD or their Contractor will complete the point repairs. Contractor is to notify the Contracting Officer of the affect the point repair has on the construction schedule.

e. Bypass Pumping If required by site conditions, provide for continuous bypass flow around the section to access the laterals designated for the lining. Provide pump and bypass lines of adequate size and capacity to handle the necessary flow.

f. It is required that the service lateral be inactive during the time of installation. This is normally accomplished by turning off the homeowner's services or requesting that the homeowner relinquish using his services during the period of installation. Notification will be distributed to impacted residents 24 hours in advance of the lateral line.

3.1.2 Experience

Onsite supervisor shall have 25,000 feet and/or 200 line sections of lining experience installing the listed product, and the product should have a minimum of 200,000 feet and/or 1000-line sections installed. The Contractor and the Contractor's key personnel shall have a minimum of 100,000 feet and/or 300-line sections of lining experience. The Contractor and supervisor shall have a minimum of five years experience with the product being used.

3.1.3 Deviations

If the pre-installation inspection reveals conditions in the Lateral Pipe that are substantially different from those used in the design of wall thickness, liner tube construction, liner tube length, or resin system, notify the Contracting Officer and provide a videotape recording of the existing conditions and design data. Do not proceed without direction from the Contracting Officer.

3.1.4 Pipe Preparation

Precondition the pipe section by cleaning the section and removing corrosion, grease buildup, or other obstructions that may interfere with lining operations.

To ensure that the pipe is ready for lining, use a CCTV to inspect the line immediately before lining and after cleaning is complete.

3.1.5 Installation of Lateral Lining

Adhere to the following installation procedures using ASTM F 1216 unless otherwise specified by the Contracting Officer:

a. Identify all service connections, locate, prior to CIPP lateral

SECTION 22 05 83.63 Page 9 lining installation. Submit the complete list of service laterals, including relevant footage and diameter of lateral, to the Contracting Officer, prior to lining of laterals.

b. The Contractor shall make every effort to maximize service usage throughout the duration of project. The time each service is out of service shall be minimized, but the maximum amount of time a customer is out of service shall be 8 hours.

A public notification program shall be implemented and shall as a minimum, require the Contractor to notify the home owners whose house laterals will be lined, contacting them, and informing them of the work to be conducted, when their sewer will be off-line, and when the sewer is put back on-line. The Contractor shall also provide the following:

1. Written notice to be delivered to each home or business the day prior to the beginning of work being conducted on the section, and a local telephone number of the Contractor they can call to discuss the project or any problems which could arise.

2. Personal contact with any home or business which cannot be reconnected within the time started in the aforementioned written notice.

c. The Contractor shall remove all internal debris out of the lateral line and sewer main that will interfere with the installation of CIPP, such as solids, mineral deposits, and roots.

d. The Contractor, upon completion of the pre-lining video of the laterals to be lined will conference with the Engineer, the contracting officer, and the Independence Hill Conservancy District (IHCD) to discuss the conditions of the laterals.

e. CIPP installation shall be in accordance with ASTM F 1216, Section 7 or ASTM F 1743, Section 6 or ASTM F 2019-03 for Ultra Violate Violet cured pipe , or ASTM F2561.

f. All CIPP installed in accordance with the manufacturer's recommendations

g. Contractor will be responsible for any pipe flow control or backups during the lining operations

h. Contractor shall obtain water from fire hydrants approved by the Indiana American Water Co. Contractor is responsible to pay the water company for any of their charges for the use of their hydrants.

i. The Installer shall designate a location where the liner will be vacuum impregnated prior to installation. The Installer shall allow the Owner to inspect the materials and resin saturation (wet-out)procedure. A catalyst system compatible with the resin and liner shall be used.

j. The wet-out liner shall be loaded inside a pressure apparatus above ground, utilizing a hydrophilic sealant (or equivalent) on the backside of the connection applied in a one half to one-inch-wide bead to enhance a watertight seal. Also, a Silicate Resin or a two- part 100% solid epoxy (reference ASTM C-881) shall be applied at a volume no less than 6oz to the lateral interface to enhance adhesion against

SECTION 22 05 83.63 Page 10 the host pipe. The pressure apparatus, with an end attached to a robotic device, shall be winched through the main pipe to the service connection. The robotic device, together with a television camera, will be used to position the pressure apparatus' inversion elbow at the service connection opening. Air pressure, supplied to the pressure apparatus through an inversion hose, shall be used to invert the wet-out liner through the lateral pipe.

The inversion head will be adjusted to be of sufficient pressure to cause the impregnated liner to invert completely in the lateral pipe and hold the liner tight to the pipe wall. Care shall be taken during the curing process so as not to overstress the liner. Alternatively Contractor can use a Seamless Molded Hydrophilic Gasket complying with

ASTM F3240-19

k. Curing - Unless otherwise approved by the engineer, an ambient-temperature curing resin system will be utilized.

l. Initial cure shall be deemed to be completed when inspection of the exposed portions of the CIPP appear to be hard and sound. The cure period shall be of a duration recommended by the resin manufacturer, as modified for the installation process.

m. Cool-down - The Installer shall cool the hardened CIPP to a temperature to approximately 100° F before relieving the pressure in the pressure apparatus. Care shall be taken to maintain proper pressure throughout the cure and cool-down period.

n. Finish - The finished CIPP shall be a watertight connection seal at the main pipe and extend continuous over 5 feet in length of the service lateral and be free of dry spots, lifts, and delamination.

This continuous one piece structural pipe-within-a-pipe shall not inhibit the closed circuit television (CCTV) post video inspection of the main or service lateral pipes.

o. Testing - For every 50 laterals, one flat plate sample shall be taken and sent to a 3rd party test laboratory for confirmation of short-term flexural modulus and strength properties in accordance with ASTM F1216. The test results shall meet or exceed the values used in the design of the CIPP lateral liner.

p. After all work is completed; provide the Contracting Officer with video tape documentation showing both pre- and post- installation conditions Correct all defects discovered during the post-installation CIPP liner television inspection, at no cost to the Government, before the work under the Contract will be considered for substantial completion.

q. During the warranty period, any defects which will affect the integrity or strength of the CIPP liner shall be repaired at the Installer's expense in a manner mutually agreed upon by the Owner and the Installer.

3.1.5.1 Set-Up

In general, the CIPP installation shall be in accordance with ASTM F1216, Section 7 or ASTM F1743, Section 6.

SECTION 22 05 83.63 Page 11

3.1.6 Liner Inspection

Perform a final CCTV inspection to verify that the composite liner has cured and that the integrity of the liner is maintained.

3.2 FIELD QUALITY CONTROL

Test system in accordance with ASTM F1743, as supplemented and modified by the CIPP manufacturer's written installation instructions .

Upon completion, submit DVD records of the pre-lining inspection and post-lining inspection , along with a written report summarizing the extent of the pipe lining performed . Update pipe the lining contract record drawings to reflect the as-built condition after the lining is complete and submit the drawings to the Contracting Officer. The Contracting Officer may review the video and documentation, and may inspect the work site to determine that the scope of work is complete, that the work is satisfactory, and that the site has been returned to its original condition.

3.3 ADJUSTING AND CLEANING

After liner installation has been completed and accepted, clean the entire project area and restore the site to its original condition before work began including restoring or replacing disturbed paving, curbing, sidewalks, gutters, or other disturbed surfaces or structures. The site shall be restored to its original condition before work began, to the satisfaction of the Owner, AE, or COR. The Contractor shall furnish all labor and material incidental thereto, at no additional cost to the Owner.

Dispose of excess material and debris not incorporated into the permanent installation. The Contractor shall remove surplus pipe, tools and temporary structures. All dirt, rubbish and pipe material from the operation shall be legally disposed of by the Contractor.

3.4 Patents

The contractor shall warrant and save harmless the owner, North-West Engineering Co., Inc, & USACE against all claims for patent infringement and any loss thereof.

3.5 Warranties

Contractor shall warrant all work to be free from defects in workmanship and materials for a period of Two years from the date of substantial completion of all construction.

During the warranty period any defects which will affect the integrity or strength of the CIPP shall be repaired at the Contractor's expense, in a manner mutually agreed by the Contracting Officer.

3.6 Qualifications

The contractor shall submit his/her qualification package detailing their experience and resumes of employees that will be performing the work within five workdays after the submittal of the bid. The submittal shall include a minimum of three projects similar in size and include the amount of pipe rehabilitated as well as contacts for those projects

SECTION 22 05 83.63 Page 12

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SECTION 22 05 83.63 Page 13

3.1.6 Liner Inspection