R0008.pdf

W68MD960487287

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

Chief Joseph Dam Spillw ay Gates Lifecycle Maintenance

Please see Continuation Page for details.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 2

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

16C. DATE SIGNED

BY 13-Jan-2017

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 W912DW-17-R-0002

X 9B. DATED (SEE ITEM 11)

29-Nov-2016

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 is extended, X 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

13-Jan-2017

CODE

USA ENGINEER DISTRICT, SEATTLE

ATTN: CECT-NWS

4735 EAST MARGINAL WAY SOUTH, BLDG. 1202

SEATTLE WA 98134-2388

W912DW 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912DW-17-R-0002

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

The purpose of Amendment eight (0008) is as follows:

Incorporate below items as indicated.

1. Specifications/Drawings – revised specifications/drawings are as follows:

35 20 16.46

The attached revised sections are to be replaced in their entirety. Specifications changes are generally identified, for convenience, either by strikeout for deletions, and double underlining of text for additions or a single dark line in the margin. All portions of the revised sections shall apply whether or not changes have been indicated.

2. Proposal Submittal Proposal submittal date/time remains the same: 19 January 2017 at 12:30:00 p.m. LOCAL TIME.

NOTICE TO OFFERORS: Offerors must acknowledge receipt of this amendment by number and date on offer.

Encl:

35 20 16.46 (revised)

(End of Summary of Changes)

CJD Spillway Gate Life Cycle Maintenance 13028 Bridgeport, WA W912DW-17-R-0002

SECTION TABLE OF CONTENTS

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

SECTION 35 20 16.46

SEALS REPLACEMENT

01/08

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 QUALITY ASSURANCE

1.3.1 Manufactured Units and Fabricated Items

1.4 DELIVERY, STORAGE, AND HANDLING

1.4.1 General

1.4.2 Rubber Seals

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 Metals

2.1.1.1 Stainless Steel Bars and Shapes

2.1.1.2 Stainless Steel Plate, Sheet, and Strip

2.1.2 Gaskets for Seal Assemblies

2.1.3 Rubber Seals

2.1.3.1 General

2.1.3.2 Fabrication

2.2 MANUFACTURED UNITS

2.2.1 Bolts, Screws, Nuts, and Washers

2.3 FABRICATION

2.3.1 Detail Drawings

2.3.1.1 Fabrication Drawings

2.3.1.2 Shop Assembly Drawings

2.3.1.3 Delivery Drawings

2.3.1.4 Field Installation Drawings

2.3.2 Fabrication

2.3.3 Bolted Connections

2.3.4 Machine Work

2.3.5 Miscellaneous Provisions

2.3.6 Fabrications

2.3.6.1 Seal Assemblies

2.3.6.2 Appurtenant Items

2.4 TESTS, INSPECTIONS, AND VERIFICATIONS

2.4.1 General

2.4.2 Testing of Rubber Seals

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Metals

3.1.2 Seal Assemblies

3.2 FIELD TESTS AND INSPECTIONS

3.2.1 Acceptance Trial Operation

SECTION 35 20 16.46 Page 1 R0008

-- End of Section Table of Contents --

SECTION 35 20 16.46 Page 2 R0008

SECTION 35 20 16.46

SEALS REPLACEMENT

01/08

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.

ASTM INTERNATIONAL (ASTM)

ASTM A167 (1999; R 2009) Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip

ASTM A176 (1999; R 2009) Standard Specification for Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip

ASTM A240/A240M (2012a) Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A276 (2010) Standard Specification for Stainless Steel Bars and Shapes

ASTM D2240 (2005; R 2010) Standard Test Method for Rubber Property - Durometer Hardness

ASTM D395 (2003; R 2008) Standard Test Methods for Rubber Property - Compression Set

ASTM D412 (2006a; E 2008; R 2008) Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers - Tension

ASTM D413 (1998; R 2007) Rubber Property - Adhesion to Flexible Substrate

ASTM D471 (2012a) Standard Test Method for Rubber Property - Effect of Liquids

ASTM D572 (2004; R 2010) Rubber Deterioration by Heat and Oxygen

ASTM F593 (2002e1) Stainless Steel Bolts, Hex Cap Screws, and Studs

ASTM F594 (2009e1) Standard Specification for Stainless Steel Nuts

SECTION 35 20 16.46 Page 3 R0008

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Detail Drawings; G

SD-03 Product Data

Materials

SD-04 Samples

Materials; G

Manufactured Units; G

Fabrications; G

SD-06 Test Reports

Tests, Inspections, and Verifications

1.3 QUALITY ASSURANCE

1.3.1 Manufactured Units and Fabricated Items

Samples of manufactured units and shop fabricated shall be full-size and complete as required for installation in the work. Approved samples may be installed in the work provided each sample is identified and its location recorded.

1.4 DELIVERY, STORAGE, AND HANDLING

1.4.1 General

Perform delivery, handling, and storage of materials and fabricated items in conformance with the requirements specified herein. Protective wrappings and coverings shall not be removed until immediately prior to use in the work.

1.4.2 Rubber Seals

Store rubber seals in a place which permits free circulation of air, maintains a temperature of 70 degrees F or less, and prevents the rubber from being exposed to the direct rays of the sun. Keep rubber seals free of oils, grease, and other materials which would deteriorate the rubber.

Rubber seals shall not be distorted during handling.

SECTION 35 20 16.46 Page 4 R0008

PART 2 PRODUCTS

2.1 MATERIALS

System of identification which shows the disposition of specific lots of approved materials and fabricated items in the work, before completion of the contract. Provide materials orders, materials lists, and materials shipping bills.

2.1.1 Metals

Structural steel, steel forgings, steel castings, stainless steel, bronze, aluminum-bronze, and other metal materials used for fabrication and/or installation shall conform to the requirements shown on the drawings and specified herein.

2.1.1.1 Stainless Steel Bars and Shapes

ASTM A276, UNS S 30400, Condition A, hot-finished or cold-finished, Class C.

2.1.1.2 Stainless Steel Plate, Sheet, and Strip

ASTM A167, UNS S 30400; ASTM A176, UNS S 40500 or U NS S 41008; and ASTM A240/A240M, UNS S 30400,. Plate finish shall be hot-rolled, annealed or heat-treated, and blast-cleaned or pickled. Sheet and strip finish shall be No. 1.

2.1.2 Gaskets for Seal Assemblies

Rubber gasket sheets for seal assemblies shall have nominal Shore A durometer value of 80 with dimensions as shown on the reference drawings.

2.1.3 Rubber Seals

2.1.3.1 General

Rubber seals shall be fluoro-carbon (Teflon) clad rubber seals of the mold type only, shall be compounded of natural rubber, synthetic polyisoprene, or a blend of both, and shall contain reinforcing carbon black, zinc oxide, accelerators, antioxidants, vulcanizing agents, and plasticizers. Physical characteristics of the seals shall meet the following requirements:

PHYSICAL TEST TEST VALUE TEST METHOD

SPECIFICATION

Tensile Strength 2500 psi (min.) ASTM D412

Elongation at Break 450 percent (min.) ASTM D412

300 percent Modulus 900 psi (min.) ASTM D412

Durometer Hardness (Shore Type A)

60 to 70 ASTM D2240

*Water Absorption 5 percent by weight (max.)

ASTM D471

Compression Set 30 percent (max.) ASTM D395

SECTION 35 20 16.46 Page 5 R0008

PHYSICAL TEST TEST VALUE TEST METHOD

SPECIFICATION

Tensile Strength (after aging 48 hrs)

80 percent tensile strength (min.)

ASTM D572

The "Water Absorption" test shall be performed with distilled water. The washed specimen shall be blotted dry with filter paper or other absorbent material and suspended by means of small glass rods in the oven at a temperature of 70 degrees C plus or minus 2 degrees C for 22 hours plus or minus 1/4 hour. The specimen shall be removed, allowed to cool to room temperature in air, and weighed. The weight shall be recorded to the nearest 1 mg as W1 (W1 is defined in ASTM D471). The immersion temperature shall be 70 degrees C plus or minus 1 degree C and the duration of immersion shall be 166 hours.

2.1.3.2 Fabrication

Rubber seals shall have a fluoro-carbon film vulcanized and bonded to the sealing surface of the bulb. The film shall be 0.030 inch thick Huntington Abrasion Resistant fluoro-carbon Film No. 4508, or equal, and shall have the following physical properties:

Tensile strength 2,000 psi (min.)

Elongation 250 percent (min.)

The outside surface of the bonded film shall be flush with the surface of the rubber seal and shall be free of adhering or bonded rubber. Strips and corner seals shall be molded in lengths suitable for obtaining the finish lengths shown on the drawings and with sufficient excess length to provide test specimens for testing the adequacy of the adhesion bond between the film and bulb of the seal. At one end of each strip or corner seal to be tested, the fluoro-carbon film shall be masked during bonding to prevent a bond for a length sufficient to hold the film securely during testing.

2.2 MANUFACTURED UNITS

Bolts, nuts, washers, screws and other manufactured units shall conform with the requirements shown on the drawings and specified herein.

2.2.1 Bolts, Screws, Nuts, and Washers

Bolts, screws, nuts, and washers shall conform to ASTM F593 and ASTM F594, UNS s 30400. Bolts 1/2-inch and larger shall have hexagon heads. The finished shank of bolts shall be long enough to provide full bearing.

Washers for use with bolts shall conform to the requirements specified in the applicable specification for bolts.

2.3 FABRICATION

2.3.1 Detail Drawings

Submit detail drawings, including fabrication drawings, shop assembly drawings, delivery drawings, and field installation drawings, conforming to the requirements specified herein.

2.3.1.1 Fabrication Drawings

Show on the fabrication drawings complete details of materials, tolerances, SECTION 35 20 16.46 Page 6 R0008 connections, finished surfaces, machined surface finishes, and proposed welding sequences which clearly differentiate shop welds and field welds.

2.3.1.2 Shop Assembly Drawings

Provide on the shop assembly drawings details for connecting the adjoining fabricated components in the shop to assure satisfactory field installation.

2.3.1.3 Delivery Drawings

Provide on the delivery drawings descriptions of methods of delivering components to the site, including details for supporting fabricated components during shipping to prevent distortion or other damages.

2.3.1.4 Field Installation Drawings

Provide on the field installation drawings a detailed description of the field installation procedures. The description shall include the location and method of support of installation and handling equipment; provisions to be taken to protect concrete, spillway gates and other work during installation; method of maintaining components in correct alignment; plan for prestretching seals.

2.3.2 Fabrication

Fabrication shall conform with the requirements shown on the drawings and specified herein. Components shall be shop-fabricated of the materials specified and shown on the drawings. Dimensional tolerances shall be as specified and shown on the drawings. Splices shall occur only where shown on the drawings or approved by the Contracting Officer. Pin holes shall be bored in components after welding, straightening, stress-relieving, and threading operations are completed. Brackets, eye bar sections, and other components requiring straightening shall be straightened by methods which will not damage the material. Bronze bushings shall be press-fitted with supporting components. Bolt connections, lugs, clips, or other pick-up assembly devices shall be provided for components as shown and required for proper assembly and installation. Provisions shall be made for the installation of appurtenances as required.

2.3.3 Bolted Connections

Bolted connections shall conform with the requirements specified on the drawings and by the seal manufacturer.

2.3.4 Machine Work

Machine work shall conform with the requirements specified herein and on the drawings.

2.3.5 Miscellaneous Provisions

Miscellaneous provisions for fabrication shall conform with the requirements specified herein and general best practices of the industry.

2.3.6 Fabrications

Submit samples for approval prior to use of the represented materials or items in the work. Samples of standard and shop fabricated items shall be full size and complete as required for installation in the work. Approved

SECTION 35 20 16.46 Page 7 R0008 samples may be installed in the work provided each sample is clearly identified and its location recorded.

2.3.6.1 Seal Assemblies

Seal assemblies shall consist of rubber seals, retainer and spacer bars, and fasteners. Rubber seals shall be continuous over the full length.

Seals shall be accurately fitted and drilled for proper installation. Bolt holes shall be drilled in the rubber seals by using prepared templates or the retainer bars as templates. Splices in seals shall be fully molded, develop a minimum tensile strength of 50 percent of the unspliced seal, and occur only at locations shown on the drawings. All vulcanizing of splices shall be done in the shop. The vulcanized splices between molded corners and straight lengths shall be located as close to the corners as practicable. Splices shall be on a 45 degree bevel related to the "thickness" of the seal. The surfaces of finished splices shall be smooth and free of irregularities. Retainer bars shall be field-spliced only where shown on the drawings and shall be machine-finished after splicing.

2.3.6.2 Appurtenant Items

Brackets, side seal plates, sill beams, and other appurtenant items shall conform to the requirements specified and shown on the drawings. The sealing surfaces of side seal plates and sill beams shall be flush, straight, and free from offsets, warps, twists or other distortions.

2.4 TESTS, INSPECTIONS, AND VERIFICATIONS

Submit certified test reports for material tests with all materials delivered to the site.

2.4.1 General

Tests, inspections, and verifications for materials shall conform to the requirements specified herein.

2.4.2 Testing of Rubber Seals

The fluoro-carbon film of rubber seals shall be tested for adhesion bond in accordance with ASTM D413 using either the machine method or the deadweight method. A 1 inch long piece of seal shall be cut from the end of the seal which has been masked and subjected to tension at an angle approximately 90 degrees to the rubber surface. There shall be no separation between the fluoro-carbon film and the rubber when subjected to the following loads:

THICKNESS OF

FLUORO-CARBON FILM

MACHINE METHOD AT 2

INCHES PER MINUTE

DEADWEIGHT METHOD

0.030 in. 30 lbs per inch width 30 lbs per inch width

0.060 in. 30 lbs per inch width 30 lbs per inch width

PART 3 EXECUTION

3.1 INSTALLATION

Perform installation conforming with the requirements specified herein.

SECTION 35 20 16.46 Page 8 R0008

Seals shall be assembled for installation in strict accordance with the contract drawings, approved installation drawings, and shop match-markings.Tack weld bolts and nuts as shown on the drawings. CWI to visually inspect all tack welds. NDE will not be required for tack welds.

Contractor to provide a tack welding procedure approved by CWI for tack welding stainless steel bolts to skinplate and bottom seal bar. Refer to specification 05 05 23.10 for relevant skinplate welding requirements.

3.1.1 Metals

Seal shapes, seal plates, frames, bases and other metal items required for proper and complete installation shall be accurately installed to the alignment and grade required to ensure accurate fitting and matching of components.

3.1.2 Seal Assemblies

Rubber seal assemblies shall be installed after painting is completed.

Rubber seals shall be fastened securely to metal retainers. Before operating the gates, a suitable lubricant shall be applied to the rubber seal rubbing plates to protect the rubber.

3.2 FIELD TESTS AND INSPECTIONS

3.2.1 Acceptance Trial Operation

After completion of the seal installation, the Contracting Officer will examine the gates for final acceptance. The gates will be examined first to determine whether or not the workmanship conforms to the specification requirements. The workmanship in the fabrication and installation of seals shall be such that the gates in the closed position will form a watertight barrier across the opening. Required repairs or replacements to correct defects, as determined by the Contracting Officer, shall be made at no cost to the Government. Prior to final acceptance of the gates, provide temporary restraints to prevent unauthorized operation of the gates.

-- End of Section --

SECTION 35 20 16.46 Page 9 R0008