W912EF-16-B-0008_Amend_0001.pdf

W68SBV53062586

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

The purpose of this amendment is to revise paragraph 3.3.7 Lubrication in specif ication Section 35 20 19.60 28 and draw ing G-102. See Summary of Changes, revised specif ications, revised clause 252.236-7001 and draw ing G102 for changes.

Bid opening date remains unchanged, Friday, January 8, 2016 at 2:00 p.m.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 4

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

16C. DATE SIGNED

BY 22-Dec-2015

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 W912EF-16-B-0008

X 9B. DATED (SEE ITEM 11)

09-Dec-2015

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

22-Dec-2015

CODE

USAED, WALLA WALLA - CONTRACTING DIV.

CYNTHIA H JACOBSEN

201 N. THIRD AVE

WALLA WALLA WA 99362-1876

W912EF 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912EF-16-B-0008

SUMMARY OF CHANGES

AMENDMENT 0001

Summary of Changes for Amend -0001 Lower Monumental Lock and Dam Navlock tainter Vale 4 Trunnion Pin Assembly

1. Revised the following specification Section 35 20 19.60 28

a. Paragraph 3.3.7 Lubrication, all sub paragraphs, see redline markups

2. Revised the following Drawing:

a. Sheet G-102 See [ Bracketed Areas ] on drawing

3. Revised the following Clause: 252.236-7001-See Yellow Highlights for changes

SECTION 00700 - CONTRACT CLAUSES

The following have been modified:

252.236-7001 CONTRACT DRAWINGS, MAPS, AND SPECIFICATIONS (AUG 2000)

(a) The Government will provide to the Contractor, without charge, one set of contract drawings and specifications, except publications incorporated into the technical provisions by reference, in electronic or paper media as chosen by the Contracting Officer.

(b) The Contractor shall--

(1) Check all drawings furnished immediately upon receipt;

(2) Compare all drawings and verify the figures before laying out the work;

(3) Promptly notify the Contracting Officer of any discrepancies;

(4) Be responsible for any errors that might have been avoided by complying with this paragraph (b); and

(5) Reproduce and print contract drawings and specifications as needed.

(c) In general--

(1) Large-scale drawings shall govern small-scale drawings; and

(2) The Contractor shall follow figures marked on drawings in preference to scale measurements.

(d) Omissions from the drawings or specifications or the misdescription of details of work that are manifestly necessary to carry out the intent of the drawings and specifications, or that are customarily performed, shall not relieve the Contractor from performing such omitted or misdescribed details of the work. The Contractor shall perform such details as if fully and correctly set forth and described in the drawings and specifications.

(e) The work shall conform to the specifications and the contract drawings identified on the following index of drawings:

Drawing Number

Sheet Number

Title

Revision Number

Date

LOWER MONUMENTAL LOCK AND DAM

TAINTER VALVE 4 TRUNION PIN ASSEMBLY

REPLACEMENT

GENERAL

LMG-1-0-1/320 G-001 COVER SHEET AND LOCATION MAPS

LMG-1-0-1/321 G-002 INDEX TO DRAWINGS

LMG-1-0-1/322 G-101 GENERAL - NAVIGATION LOCK - KEY PLAN

LMG-1-0-1/323 G-102

GENERAL - TAINTER VALVE SHAFT - KEY

SECTIONS

A 12-21-15

MECHANICAL

LMN-1-3-8/1 M-101 MECHANICAL - NEW WORK

LMN-1-3-8/2 MD101 MECHANICAL - DEMOLITION

FOR INFORMATION ONLY (FIO)

The Government does not warrant the accuracy of the FIO drawings. The Government recommends that the Contractor verify the accuracy of FIO drawings.

E-68-26-3 FIO-001

NAVIGATION LOCK - MODIFICATION OF GATE

MONOLITHS - SITE PLAN

LMN-1-4-2/10 FIO-002

NAVIGATION LOCK - MONOLITH 5 - SECTIONS

AND DETAILS

LMN-1-4-2/53 FIO-003

NAVIGATION LOCK - TAINTER VALVE

BLOCKOUT - MONOLITHS 5 & 6

LMN-1-4-2/100 FIO-004

LOCK WALL MODIFICATION - AIR VENT

RELOCATION

LMN-1-5-8/1 FIO-005

NAVIGATION LOCK - TAINTER VALVE -

DETAILS I

LMN-1-5-8/2 FIO-006

DETAILS II

LMN-1-5-8/3 FIO-007

NAVIGATION LOCK - TAINTER VALVE - SEALS

AND KEEPERS

LMN-1-5-8/4 FIO-008

TRUNNION & ANCHORAGE

LMN-1-5-8/5 FIO-009

NAVIGATION LOCK - CULVERT LINER -

MONOLITHS 5 AND 6

LMN-1-5-8-/7 FIO-010

NAVIGATION LOCK - CULVERT LINER

DETAILS I

LMN-1-5-8/8 FIO-011

NAVIGATION LOCK - CULVERT LINER

DETAILS II

LMN-1-3-9/1 FIO-012

MACHINERY - GENERAL ASSEMBLY

LMN-1-3-9/2 FIO-013 NAVIGATION LOCK - TAINTER VALVE

MACHINERY - CONNECTING ROD & CYLINDER

BASE

LMN-1-3-9/4 FIO-014

MACHINERY - HYDRAULIC SYSTEM

LMN-1-3-9/5 FIO-015

MACHINERY - LUBRICATION SYSTEM

LMN-1-5-13/14 FIO-016

NAVIGATION LOCK - MISCELLANEOUS METAL

II

LMN-1-5-9/3 FIO-017

TAINTER VALVE MACHINERY - CROSSHEAD,

GUIDES, PISTON, RODS, - PINS AND BUMPER

H-6413 FIO-018

TAINTER VALVE OPERATING - MACHINERY -

GENERAL ASSEMBLY & MATCHMARK

H-6414 FIO-019

HYDR. CYL. & - OPERATING LINKAGE - SUB

ASS'Y.

H-6419 FIO-020

PISTON, RODS - & ASSOC. PARTS DETAILS

H-6420 FIO-021

CROSSHEAD & - PUSH ROD GUIDE PARTS DTLS

292.1 FIO-022

LOCK TAINTER VALVES - & OPR. MACH. -

ARMS & PIPE STRUTS

293.3 FIO-023

LOCK TAINTER VALVES - & OPR. MACH. - SKIN

PL ASSY'S

8666 FIO-024

LOCK TAINTER VALVES - & OPR. MACH. -

TRUNION AND ANCHORAGE ASS'Y

LMN-1-3-4/5 FIO-025

FILLING TAINTER VALVES REPAIR -

MECHANICAL - TRUNNION PIN DETAILS

LMN-1-3-4/7 FIO-026

FILLING TAINTER VALVES REPAIR -

MECHANICAL - PHOTOGRAPHS 2

H-6416 FIO-027

TAINTER VALVE OPERATING MACHINERY -

LUBRICATION SYSTEM

(End of drawing list)

(End of Clause)

Contract drawings created on CAD will be available in electronic form for use by the Contractor. No For Information Only drawings are available on CAD. The Contractor assumes all risks associated in using electronic CAD drawings. The contract drawings shall govern if there are any discrepancies between the electronic copy and the contract drawing. The Contractor shall promptly notify the Contracting Officer of any discrepancies. The Government will not be responsible to correct the electronic CAD drawing. If contract modifications are issued, the associated electronic CAD drawings will not be available to the Contractor. Electronic copies of CAD drawings are only available in Bentley MicroStation format. The Government will provide the files on CD ROM.

(End of Summary of Changes)

LMA TAINTER VALVE 4 - TRUNNION PIN ASSEMBLY REPLACEMENT W912EF-16-B-0008

Amend-0001

PROJECT TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00.00 28 GENERAL REQUIREMENTS

01 11 01.00 28 SUPPLEMENTARY REQUIREMENTS

01 14 00.10 28 PROJECT SITE RESTRICTIONS

01 14 00.90 28 INTEGRATING ANTITERRORISM (AT) AND OPERATIONS SECURITY

(OPSEC)

01 22 00.00 28 MEASUREMENT AND PAYMENT

01 33 00 SUBMITTAL PROCEDURES

01 35 29.10 28 SAFETY AND OCCUPATIONAL HEALTH REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 04.00 28 CONTRACTOR QUALITY CONTROL

01 51 00.00 28 TEMPORARY UTILITIES

01 55 10.00 28 CONTRACTOR WORK, ACCESS AND STORAGE AREAS

01 57 20.00 28 ENVIRONMENTAL PROTECTION

01 78 00.00 28 CLOSEOUT SUBMITTALS

DIVISION 05 - METALS

05 50 14.00 28 STRUCTURAL METAL FABRICATIONS

DIVISION 09 - FINISHES

09 97 00.00 28 TOUCHUP PAINTING FOR VINYL SYSTEM 5-E-Z

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

35 20 19.60 28 NAVIGATION LOCK FILLING TAINTER VALVE REPAIR

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 1

SECTION TABLE OF CONTENTS

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

SECTION 35 20 19.60 28

NAVIGATION LOCK FILLING TAINTER VALVE REPAIR

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

PART 2 PRODUCTS

2.1 FABRICATION

2.1.1 Welding

2.1.2 Machine Work

2.1.2.1 Finished Surfaces

2.1.2.2 Unfinished Surfaces

2.1.3 Miscellaneous Provisions

2.1.3.1 Cleaning of Corrosion-Resisting Steel

2.2 MATERIALS

2.2.1 Trunnion Pin Assembly

2.2.1.1 Trunnion Pin

2.2.1.2 Trunnion Pin Keeper Plate

2.2.1.3 Trunnion Spacer Washer

2.2.1.4 Trunnion Bushing

2.2.1.5 Trunnion Pin Eyebolt

2.2.2 Trunnion Pin Hardware

2.2.3 Dowels

PART 3 EXECUTION

3.1 LEAKAGE

3.2 SYSTEM DISASSEMBLY

3.2.1 Tainter Valve Disassembly Plan

3.3 INSTALLATION

3.3.1 System Assembly

3.3.2 Tainter Valve Assembly Plan

3.3.3 Trunnion Yoke Inspection

3.3.4 Alignment and Setting

3.3.5 Line Boring Plan

3.3.6 Blocking and Wedges

3.3.7 Lubrication

3.3.7.1 Trunnion Flexible Lubrication Lines

3.3.7.2 Lubrication After Assembly

3.3.7.3 Purging Lubricant

3.3.7.4 Excess Lubricant

3.4 FIELD TESTS AND INSPECTIONS

3.5 PROTECTION OF FINISHED WORK

3.5.1 Machined Surfaces

3.6 PAINTING

SECTION 35 20 19.60 28

-- End of Section Table of Contents --

SECTION 35 20 19.60 28

NAVIGATION LOCK FILLING TAINTER VALVE REPAIR

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.

ASME INTERNATIONAL (ASME)

ASME B4.1 (1967; R 2004) Preferred Limits and Fits for Cylindrical Parts

ASME B46.1 (2002) Surface Texture (Surface Roughness, Waviness and Lay)

ASTM INTERNATIONAL (ASTM)

ASTM A 380 (1999e1) Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems

ASTM A582/A582M (2012; E 2012) Standard Specification for Free-Machining Stainless Steel Bars

ASTM A668/A668M (2013) Standard Specification for Steel Forgings, Carbon and Alloy, for General Industrial Use

ASTM B505/B505M (2014) Standard Specification for Copper-Base Alloy Continuous Castings

ASTM F593 (2013a) Stainless Steel Bolts, Hex Cap Screws, and Studs

1.2 SUBMITTALS

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

submittals having an "I" designation are for information only. A designation following the "G" or "I" 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-01 Preconstruction Submittals

Tainter Valve Disassembly Plan; G, ME

Line Boring Plan; G, ME

Tainter Valve Assembly Plan; G, ME

SD-06 Test Reports

Trunnion Yoke Inspection; I, ME

PART 2 PRODUCTS

2.1 FABRICATION

2.1.1 Welding

Welding on the trunnion yokes or hubs is prohibited. For all other welding see specification section 05 50 14.00 28 Structural Metal Fabrications.

2.1.2 Machine Work

Tolerances, allowances and gauges for metal fits between plain, non-threaded, cylindrical parts shall conform to ASME B4.1 for the class of fit shown or required unless otherwise shown on approved detail drawings. Where fits are not shown they shall be suitable as approved.

Tolerances for machine-finished surfaces designated by non-decimal dimensions shall be within 1/64 inch. Sufficient machining stock shall be allowed on placing pads to ensure true surfaces of solid material.

Finished contact or bearing surfaces shall be true and exact to secure full contact. Journal surfaces shall be polished and all surfaces shall be finished with sufficient smoothness and accuracy to ensure proper operation when assembled. Parts entering any machine shall be accurately machined and all like parts shall be interchangeable except that parts assembled together for drilling or reaming of holes or machining will not be required to be interchangeable with like parts. All drilled holes bolts shall be accurately located.

2.1.2.1 Finished Surfaces

Surface finishes indicated or specified shall be in accordance with ASME B46.1. Values of required roughness heights are arithmetical average deviations expressed in microinches. These values are maximum. Lesser degrees will be satisfactory unless otherwise indicated. Compliance with surface requirements shall be determined by sense of feel and visual inspection of the work compared to Roughness Comparison Specimens in accordance with the provisions of ASME B46.1. Values of roughness width and waviness height shall be consistent with the general type of finish specified by roughness height. Where the finish is not indicated or specified it shall be that which is most suitable for the particular surface, provide the class of fit required and be indicated on the detail drawings by a symbol which conforms to ASME B46.1 when machine finishing is provided. Flaws such as scratches, ridges, holes, peaks, cracks or checks which will make the part unsuitable for the intended use will be cause for rejection.

2.1.2.2 Unfinished Surfaces

All work shall be laid out to secure proper matching of adjoining unfinished surfaces unless otherwise directed. Where there is a large discrepancy between adjoining unfinished surfaces they shall be chipped and ground smooth or machined to secure proper alignment. Unfinished surfaces shall be true to the lines and dimensions shown and shall be chipped or ground free of all projections and rough spots. Depressions or holes not affecting the strength or usefulness of the parts shall be filled in an approved manner.

2.1.3 Miscellaneous Provisions

2.1.3.1 Cleaning of Corrosion-Resisting Steel

Oil, paint and other foreign substances shall be removed from corrosion-resisting steel surfaces after fabrication. Cleaning shall be done by vapor degreasing or by the use of cleaners of the alkaline, emulsion or solvent type. After the surfaces have been cleaned they shall be given a final rinsing with clean water followed by a 24 hour period during which the surfaces are intermittently wet with clean water and then allowed to dry for the purpose of inspecting the clean surfaces. The surfaces shall be visually inspected for evidence of paint, oil, grease, welding slag, heat treatment scale, iron rust or other forms of contamination. If evidence of foreign substance exist the surface shall be cleaned in accordance with the applicable provisions of ASTM A 380.

The proposed method of treatment shall be furnished for approval. After treatment the surfaces shall be visually reinspected. Brushes used to remove foreign substances shall have only stainless steel or nonmetallic bristles. Any contamination occurring subsequent to the initial cleaning shall be removed by one or more of the methods indicated above.

2.2 MATERIALS

2.2.1 Trunnion Pin Assembly

The Government will supply two (2) trunnion pin assemblies, see drawing FIO-025. Each trunnion pin assembly contains the following:

a. One (1) Trunnion Pin

b. Two (2) Trunnion Spacer Washers

c. One (1) Trunnion Bushing

d. One (1) Trunnion Pin Eyebolt

2.2.1.1 Trunnion Pin

Steel forging conforms to ASTM A668/A668M, Class K, and each weighs approximately 1350 lbf.

2.2.1.2 Trunnion Pin Keeper Plate

The material for the trunnion pin keeper plates conforms to ASTM A582/A582M, type 416 stainless steel.

2.2.1.3 Trunnion Spacer Washer

The trunnion spacer washer material conforms to ASTM B505/B505M, aluminum bronze UNS 95400 and each weighs approximately 22 lbf.

2.2.1.4 Trunnion Bushing

The bushing material for the trunnion bushings conforms to ASTM B505/B505M, aluminum bronze UNS C95400, and each weighs approximately 200 lbf.

2.2.1.5 Trunnion Pin Eyebolt

The trunnion pin eyebolt material conforms to ASTM A668/A668M, Class K, steel forging and each weighs approximately 40 lbf.

2.2.2 Trunnion Pin Hardware

The Contractor to provide new hardware for trunnion pin keeper plates, cap screws, hex head, conforming to ASTM F593, type 416 stainless steel. Size to match enlarged threaded holes as required on drawing M-101.

2.2.3 Dowels

The Contractor to provide all dowels used between the trunnion bushing and the trunnion hub. Dowels shall be made of bronze material. See drawing FIO-022 for quantity and nominal dimensions.

PART 3 EXECUTION

3.1 LEAKAGE

Expect a water leakage rate of approixametly 50 gallons per minute within the tainter valve chamber at all times. The contractor will provide a means to keep the tainter valve elevated at least 2 inches off the floor and allow leakage water to pass under valve for drainage. The contractor will ensure method for elevation does not damage tainter valve seals.

3.2 SYSTEM DISASSEMBLY

Contractor to remove the trunnion pin assembly for both trunnions on the Navigational Lock Tainter Valve 4; see drawing MD101. Care is to be exercised not to damage any components during disassembly. All removed lubrication lines are to be pluged to prevent contamination and leakage.

The Government will install bulkheads and dewater tainter valve chamber prior to turning over to contractor for work. Coordinate, in writting, dewatering schedule with contracting officer at least two weeks prior to contractors scheduled mobilization.

3.2.1 Tainter Valve Disassembly Plan

Submit a detailed plan for disassembly of the tainter valve at least 30 days prior to the start of on-site work. The detailed plan shall include but is not limited to the means of supporting, bracing, and picking of the tainter valve and removal method and sequence for the trunnion pin assemblies. Include, in the plan, proposed procedures for disassembly of interference fits between the trunnion bushing and trunnion hub. The trunnion hubs are not to be heated above 300 degrees Fahrenheit.

3.3 INSTALLATION

All parts to be installed shall be thoroughly cleaned. Packing compounds, rust, dirt, grit and other foreign matter shall be removed. Holes and grooves for lubrication shall be cleaned. Where units or items are shipped as assemblies they will be inspected prior to installation. Pipe wrenches, cold chisels or other tools likely to cause damage to the surfaces of rods, nuts or other parts shall not be used for assembling and tightening parts. Bolts and screws shall be new and tightened firmly and uniformly but care shall be taken not to overstress the threads. When a half nut is used for locking a full nut the half nut shall be placed first and followed by the full nut. Threads of all bolts except high strength bolts, nuts and screws shall be lubricated with an approved lubricant before assembly. Threads of corrosion-resisting steel bolts and nuts shall be coated with an approved antigalling compound. Driving and drifting bolts or keys will not be permitted.

3.3.1 System Assembly

The new trunnion pin assemblies are to be installed on the Navigational Lock Tainter Valve 4; see drawing M-101. For installation of trunnion bushings, align the center lubrication grease groove in trunnion bushings with lubrication ports on trunnion hubs as shown in the drawings. Have the Contracting Officer Representitive verify proper placement of grease grooves before continuing with remainder of installation. Threaded holes on the trunnion yokes are to be drilled to the next larger bolt size and re-tapped. Field install new dowels to pin trunnion bushing to trunnion hub. Dowels are to have a tight fit. The machined surface on the trunnion for the trunnion pin keeper plates is to have corrosion removed.

The trunnion bushings are to be field line bored for concentricity with trunnion yokes.

3.3.2 Tainter Valve Assembly Plan

Submit a detailed plan for re-assembly of the tainter valve at least 30 days prior to the start of on-site work. The detailed plan shall include but is not limited to the means of supporting, bracing, and picking of the tainter valve and reinstallation method and sequence for the new trunnion pin assemblies. Include, in the plan, proposed procedures for assembly of interference fits between the trunnion bushing and trunnion hub. The trunnion hubs are not to be heated above 300 degrees Fahrenheit.

3.3.3 Trunnion Yoke Inspection

Submit an inspection report detailing the trunnion yoke cylindricity.

Provide at least four diameter measurements per side of trunnion yokes measured to the nearest thousandth of an inch.

3.3.4 Alignment and Setting

The tainter valve shall be accurately aligned so that no binding in any moving parts or distortion of any member occurs before it is fastened in place. The alignment of all parts with respect to each other shall be true within the respective tolerances required. Valve shall be set true to the elevations shown. The tainter valve shall be reinstalled as to maintain the original tolerances:

a. Out of squareness shall not exceed 1/8 inch.

b. Out of parallelness shall not be exceed 1/16 inch vertically or horizontally.

c. Warp shall not exceed 1/8 inch horizontally or 0.25 degree cylindrically.

3.3.5 Line Boring Plan

Submit a detailed plan for field line boring of the tainter valve trunnion bushings, at least 45 days prior to the scheduled line boring work. The detailed plan shall include but is not limited to the means of supporting, bracing, and picking of the tainter valve, surveying plan for tainter valve alignment and trunnion bushing concentricity with trunnion yokes, and method of attaching and setting up line boring equipment.

Line boring is expected to be accomplished during an 12 hour period during which the Navigational Lock will be out of service to traffic. Provide written notice to the Contracting Officer 15 days prior to line boring operations to coordinate an outage date and time subject to Contracting Officer's approval.

3.3.6 Blocking and Wedges

All blocking and wedges used during installation for the support of parts shall be removed before final assembly and field testing.

3.3.7 Lubrication

The bearing surfaces of trunnion pins and bushings shall be cleaned and coated with lubricant prior to installing the trunnion pins.

3.3.7.1 Trunnion Flexible Lubrication Lines

The flexible lubrication lines are to be replaced from the trunnion hub to the lubrication hard lines. Field verify lengths and fittings.

3.3.7.2 Lubrication After Assembly

After assembly all lubricating systems shall be filled with the new lubricant, provided by the government, and additional lubricant shall be applied at intervals as required to maintain the equipment in satisfactory condition until acceptance of the work. Take precautions to ensure The Farval lubrication system does not run empty. Any excess lubrication, spills, or drips are to be cleaned up before final acceptance.

3.3.7.3 Purging Lubricant

All lubrication lines are to be completely purged with new lubricant, provided by the Government, prior to field testing. The lubrication lines are to be disconnected near the equipment and purged completely. Take precautions to ensure The Farval lubrication system does not run empty.

The lubrication lines are to be reconnected and the Farval lubrication system is to be operated until new lubrication is visibly coming out of each equipment joint. The crosshead is to be in the lowered position for purging of lubricant.

Equipment that requires purging include:

a. Both Trunnion Pins

b. Connecting Rod Lower Pin

c. Connecting Rod Upper Pin

d. Both Crosshead Guide Rods

e. Crosshead

3.3.7.4 Lubrication Lines

Trunnion lubrication lines are to be purged prior to final assembly to ensure lubrication is getting to the trunnion lubrication ports. The lubrication flex line from the trunnion hub to the lubrication hard lines are to be removed and the lubrication hard lines purged until lubrication flows out uniformly.

3.3.7.5 Trunnion Lubrication

The flexible lubrication lines are to be replaced from the trunnion hub to the lubrication hard lines. Field verify lengths and fittings. The Farval lubrication system is to be operated until lubrication is visibly coming out of each trunnion.

3.3.7.4 Excess Lubricant

All excess lubricant during the purging process is to be collected and disposed of. Any excess lubrication, spills, or drips during repairs are to be cleaned up before final acceptance.

3.4 FIELD TESTS AND INSPECTIONS

After completion of the valve installation, the Contracting Officer will examine the valve for final acceptance. The valve will be examined first to determine whether or not the workmanship conforms to the specification requirements. The Contractor will then be required to operate the valve while in an unwatered condition, with aid from a Government operator, from the fully-opened to the fully-closed position a at least 4 times to demonstrate to the Contracting Officer that all parts are functioning properly. Ensure a lubrication cycle from the Farval lubrication system is ran each time the valve is in the closed position. The workmanship in the installation of valve shall be such that the valve 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. The trial operation shall be repeated after defects are corrected.

3.5 PROTECTION OF FINISHED WORK

3.5.1 Machined Surfaces

Machined surfaces shall be thoroughly cleaned of foreign matter. All finished surfaces shall be protected by suitable means. Unassembled pins and bolts shall be oiled and wrapped with moisture resistant paper or protected by other approved means. Finished surfaces of ferrous metals to be in bolted contact shall be washed with an approved rust inhibitor and coated with an approved rust resisting compound for temporary protection during fabrication, shipping and storage periods. Finished surfaces of metals which shall be exposed after installation except corrosion resisting steel or nonferrous metals shall be painted as specified.

3.6 PAINTING

For touch up painting see specification 09 97 00.00 28 Touchup Painting for Vinyl System 4.

-- End of Section --