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1800 E. Wardlow Road Long Beach, CA, 90807

562.570.2300 │LBUtilities.org

June 15, 2023

ADDENDUM No. 1

TO THE CONTRACT DOCUMENTS

Long Beach Utilities Department Long Beach, California Specifications No. WD-52-22 Drawing No. EO-3598 Large Potable Water Valve Replacement Project Willow Street

TO ALL PLAN HOLDERS:

The following amendment is hereby made a part of the Contract Documents for the subject project, as fully and completely as if the same were set forth therein. This Addendum No. 1 consists of pages ADD1-1 through ADD1-6.

CONTRACT DOCUMENTS

The following clarifications, additions and deletions are made to the above-referenced Drawings and/or Specifications.

SPECIFICATIONS:

Item No.: 1.01 Location: Notice Inviting Bids, Page 2 of 6 Change: DELETE the following:

PRE-BID CONFERENCE: Prospective bidders are required to attend a pre-bid conference with the Owner and Owner’s representatives.

• Pre-bid conference will be an online meeting presentation of technical parameters at 10:00 AM on Wednesday, June 14, 2023 to present the scope of work to be performed under these specifications.

REPLACE with:

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PRE-BID CONFERENCE: Prospective bidders are recommended to attend a pre-bid conference with the Owner and Owner’s representatives.

• Pre-bid conference will be an online meeting presentation of technical parameters at 10:00 AM on Wednesday, June 14, 2023 to present the scope of work to be performed under these specifications.

Item No.: 1.02 Location: Specification Section 33 12 10 – Line-Stops and Insertion Valves Change: DELETE Section in its entirety and REPLACE with AAD1-3 to AAD1-6.

ADDITIONAL INFORMATION FOR CONTRACTOR:

A signed copy of the Addenda Acknowledgment form provided in Part 1 of the Bidding Requirements and a copy of Addendum No. 1 must accompany the Bid Submittal.

Questions regarding the project shall be directed to Mr. Ryan Hiney, Ryan.Hiney@lbwater.org, at (562) 714-0938.

Sincerely, Jinny Huang-Uy, P.E.

Manager of Engineering cc: Matthew Cruz, Civil Engineer

Thomas Cassidy, Civil Engineering Assistant Ryan Hiney, Civil Engineering Assistant

Large Potable Water Valve Replacement – Willow 33 12 10 - Line-Stops, Insertion Valves and Pipe Freezing - 1 of 4

SECTION 33 12 10

LINE-STOPS AND INSERTION VALVES

PART 1 - GENERAL

1.1 Work Included

A. Materials, testing, and installation of line-stops and insertion valves services.

1.2 Related Work

A. Section 01 22 00: Unit Prices B. Section 01 33 00: Submittal Procedures C. Section 01 40 00: Quality Requirements D. Section 01 66 00: Product Shipment, Storage and Handling Requirements E. Section 01 73 33: Mechanical Identification F. Section 09 90 00: Painting and Coating G. Section 09 96 56: Epoxy Linings and Coatings H. Section 31 23 23: Trenching and Backfilling I. Section 33 05 31: Pipeline Joint Materials J. Section 33 05 39: Manual Valve Operators

1.3 System Description

A. Furnish and install complete operating line-stops or insertion valves services including appurtenant structural, mechanical and/or electrical mountings or connections required for compliance with Manufacturer’s installation requirements and compliance with applicable codes and standards.

B. Resilient-seated insertion gate valves shall insert into host pipe without requiring shutdown of main or loss of service.

1.4 Quality Assurance

A. Use adequate numbers of skilled workmen trained and experienced in necessary trades and crafts and completely familiar with specified requirements and methods for proper performance of Work of this section.

B. Products coming into contact with potable water shall contain no more than 0.25% lead by average weight in compliance with the Federal Reduction of Lead in Drinking Water Act and California law AB1953.

C. Factory testing shall include:

ITEM TEST FOR

TEST STANDARD

(ASTM OR OTHER TEST

STANDARD) FREQUENCY

FIRST

TEST PAID

FOR BY

RETESTS

PAID FOR

BY

Resilient Seated Insertion Valves

Proof of Design Test AWWA C515 §5.1.1 1 each prototype

Contractor Contractor

Operation Test AWWA C515 §5.1.2.1 1 each valve Contractor Contractor Shell Test AWWA C515 §5.1.2.2 at 400 psi 1 each valve Contractor Contractor Seat Test AWWA C515 §5.1.2.3 at 200 psi 1 each valve Contractor Contractor

Interior Lining Holidays and Lining Thickness

See Section 09 96 56 1 each valve Contractor Contractor

1.5 References

A. Reference publications below form part of this specification to extent referenced and are referred to within text by basic designation only.

1. ASME/ANSI B16.42 Ductile Iron Pipe Flanges and Flanged Fittings, Classes 150 and 300

2. AWWA C213 Fusion-Bonded Epoxy Coating for Interior and Exterior of Steel Water

Pipelines

3. AWWA C515 Reduced Wall, Resilient Seated Gate Valves for Water Supply Service

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4. AWWA C550 Protective Epoxy Interior Coatings for Valves and Hydrants

5. NSF/ANSI 61 Drinking Water System Components – Health Effects

6. NSF/ANSI 372 Drinking Water System Components – Lead Content (Formerly NSF/ANSI

61 Annex G)

1.6 Submittals

A. Furnish the following submittals.

SUBMITTAL DESCRIPTION

Shop Drawings Submit per pipeline equipment Shop Drawing requirements. .

Product Data Submit per Product Data requirements.

O & M Instructions Submit per Operation and Maintenance instruction requirements for insertion valves Certificate of Compliance Submit coating system and application certification per Certificate of

Compliance requirements. This must be an actual NSF certificate and not per the Annex forms

Warranty Furnish one-year warranty from date of final acceptance for products left in place.

B. Refer to Section 01 33 00 for definition of requirements for Shop Drawings, Product Data, O&M Instructions, and Certificates of Compliance.

1.7 Delivery, Storage and Handling

A. Refer to Section 01 66 00 for delivery, storage, and handling requirements.

B. Strictly follow Manufacturer’s instruction and warranty requirements for delivery, storage and handling of line-stops and insertion valves.

1.8 Unit Prices

A. Refer to Section 01 22 00 for measurement and payment clauses for linestops or insertion valves.

PART 2 - PRODUCTS

2.1 Acceptable Manufacturers

A. Valve manufacturer and installers shall have at least 5 years’ recent continuous product history in the USA waterworks industry.

B. Acceptable manufacturers include:

ITEM MANUFACTURER MANUFACTURER LOCATION

Flanges for Pipe Access

Koppl Pipeline Services, Inc. “Koppl-Stop” Montebello, CA (328) 888-2211 Municipal Pipe Services Hastings, NE (800) 395-7473 Accepted equal

Insertion Valves (4”- 16”)

Advanced Valve Technologies, Inc. Elk Grove Village, IL (877) 489-4909 Koppl Pipeline Services, Inc. Montebello, CA (328) 888-2211 Municipal Pipe Services Hydrastop Insta-Valve Plus

IVP250

Hastings, NE (800) 395-7473

Accepted equal

C. Acceptable installers include:

ITEM INSTALLER INSTALLER LOCATION

Line Stopping Service Koppl Pipeline Services, Inc. Montebello, CA (328) 888-2211 Rangeline Group Murrieta, CA (800) 346-5971 Accepted equal

2.2 Materials

A. Materials for line-stops and insertion valves shall be:

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Large Potable Water Valve Replacement – Willow 33 12 10 - Line-Stops, Insertion Valves and Pipe Freezing - 3 of 4

ITEM MATERIAL SPECIFICATION

Body Ductile Iron (for pressures 0-300 psi) Conform to ASTM A536 Grade 65-45-12

NSF Listing Parts Exposed to Potable Water

Provide NSF 61 listed products and conform to NSF/ANSI 372 lead threshold for potable water applications.

Disc / Wedge / Plug / Gates (same material as valve body)

Ductile Iron Conform to ASTM A536 Grade 65-45-12

Valve Seat EPDM Synthetic Rubber (Ethylene- Propylene Diene Monomer)

Conform to ASTM D1418 Conform to ASTM D429 Peroxide cured

Stem and Stem Nut Stainless Steel Conform to ASTM A276, A473, A582, or A743 Use alloy listed in AWWA C515 Table 6

O-Rings Synthetic Rubber Conform to ASTM D2000 Flanges Sizes 4”-16” Working Pressures 0-250 psi

Ductile Iron Conform to ASME/ANSI B16.42 Class 150 Flat-faced

Flange Alignment Horizontal Pipelines Boltholes shall straddle horizontal and vertical centerlines of pipe run to which valves are attached.

Vertical Pipelines Boltholes shall straddle plant North-South and plant East- West centerlines of pipe run to which valves are attached.

Flange Bolts, Nuts, and Washers

Various Steels Refer to Section 33 05 31.

Flange Gaskets Refer to Section 33 05 31.

Epoxy Lining

Fusion-Bonded Epoxy Refer to Section 09 96 56.

Conform to AWWA C213 and C550 12-mil minimum DFT Do not coat sealing areas or bronze or stainless steel parts.

Exterior Finish Coat Epoxy Refer to Section 09 90 00.

Polyethylene Encasement on Buried Valves

Polyethylene Conform to AWWA C105 2 layers of 8-mil wrap

B. The following product design criteria, options and accessories are required:

ITEM DESCRIPTION

Line Stop Pipeline Working Pressure

150 psi

Host Pipe Material DIP Insertion Valve

Pipeline Working Pressure

150 psi

Host Pipe Material DIP

PART 3 - EXECUTION

3.1 Preparation

A. Make field measurements needed to install line-stops and insertion valves before submitting shop drawings or ordering. Make minor changes in dimensions and alignments as needed to avoid utilities or structural conflicts.

B. Pothole locations of proposed insertion valves.

1. Adjust locations as required to clear fittings, couplings, and joints.

2. Adjust locations as required to clear utilities and other improvements.

3. Adjust locations as required to facilitate operation of valve and to avoid heavy traffic.

C. Notify Long Beach Utilities Department at least 72 hours before beginning Work to install insertion valves.

3.2 Installation

A. Furnish and install line-stops and insertion valves at locations shown on Plans and Submittals.

B. The following installation standards shall be followed:

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1. Applicable OSHA and Cal OSHA regulations

2. Manufacturer’s installation and warranty requirements

C. Refer variances between above documents and Contract Documents to Owner’s Representative.

3.3 Field Quality Control

A. Field testing shall include:

ITEM TEST FOR

TEST STANDARD

(ASTM OR OTHER TEST STANDARD) FREQUENCY

FIRST

TEST PAID

FOR BY

RETEST

S PAID

FOR BY

Insertion Valves

Installation & Leakage

Visual inspection of finished installation 1 inspection Owner Owner

Field Performance

Demonstrate compliance to Contract Documents and Manufacturer’s printed literature

1 test Contractor Contract or

11-month Warranty Inspection

Demonstrate compliance to Contract Documents and Manufacturer’s printed literature

1 test Owner Contract or

END OF SECTION

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