Spec Package.pdf

Design, construct, test, and deliver one Test Tank Barge for the Corps of Engineers, Rock Island District for use in support of its heavy lift floating crane in accordance with the attached specifications.

ITEM UNIT TOTAL

NUMBER ITEM

QTY.

UNIT PRICE PRICE

0001 Test Tank Barge (Total Price) 1 Test Tank Barge

0001AA PLANNING & SCHEDULING (The submittals required for

Planning and Scheduling are listed in contract Clause H02.).

This item is initiated only by a Notice To Proceed issued by the Contracting Officer.

1 JOB XXXX $ _________

0001AB ENGINEERING (The submittals for “Engineering” are listed in contract Clause H02.). This item is initiated only by a Notice To Proceed issued by the Contracting Officer. The Contractor may not start this item until he receives a Notice To Proceed for this item.

1 JOB XXXX $_________

0001AC

0001AD

CONSTRUCT & TEST (The submittals for “Construct and Test” are listed in contract Clause H02.). This item is initiated only by a Notice To Proceed issued by the Contracting Officer.

The Contractor may not start this item until he receives a Notice To Proceed for this item.

DELIVERY This item is initiated only by a Notice To Proceed issued by the Contracting Officer. The Contractor may not start this item until he receives a Notice To Proceed for this item.

JOB

JOB

XXXX

XXXX

TOTAL ITEM 0001 – TEST TANK BARGE 1 JOB XXXX $_________

INSERT LOCATION OF THE FACILITY WHERE THE WORK WILL BE PERFORMED:

The Government may reject an offer as non-responsive if it is materially and mathematically unbalanced as to price for any offered item or combination of offered items. An offer is unbalanced when it is based on prices significantly less than cost for some work and prices, which are significantly overstated for other work.

PART I – THE SCHEDULE – SECTION C

DESCRIPTION/SPECIFICATION/WORK STATEMENT

C000 GENERAL

C001 PROJECT OVERVIEW

The Marine Design Center (MDC) of the U.S. Army Corps of Engineers (USACE) has issued this solicitation to acquire a new test tank barge. The completed vessel will be placed in service with the Rock Island District of the U.S. Army Corps of Engineers and will be used by the District to conduct load testing and calibrate its heavy lift floating crane

QUAD CITIES.

When complete, the new test tank barge will be capable of being ballasted to 1,100,000 lbs. and be lifted by the floating crane.

The completed vessel will be ABS classed.

C002 CONTRACT OVERVIEW

For this contract, the barge contractor shall include, as a minimum, all costs to provide and deliver the following:

• Using the details contained within this performance specification, and the provided contract and reference drawings, the contractor shall complete a detailed design for production and fabrication of the test tank barge.

• Obtain ABS approval for the detailed design of the barge.

• Fabricate one test tank barge in accordance with the specifications of this contract.

• Perform Test and trials on the barge.

• Deliver the completed barge to a designated location.

• Final Acceptance Demonstrations at the Corps’ designated point of Final

Acceptance of the completed floating test tank barge.

C003 STANDARDS

The barge shall be designed and constructed in accordance with the latest edition and interpretations of the rules, regulations, and requirements and standards of the Legislation, Regulatory Agencies, and technical organizations listed as follows, or as stipulated in the respective specification clause:

• American Bureau of Shipping (ABS) “Rules for Building and Classing Steel

Vessels for Service on Rivers and Intracoastal Waterways.”

• American Bureau of Shipping (ABS) “Rules for Building and Classing Steel

Vessels”:

o Part 2 – Rules for Materials and Welding

• International Association of Classification Societies (IACS) No. 47: “Shipbuilding and Repair Quality Standard

• 33 CFR Subchapter E – USCG, Inland Navigation Rules.

• 46 CFR Subchapter C – Uninspected Vessels. USCG inspection and certification is not required.

• 46 CFR Subchapter S – Part 170, Subpart E – Weather Criterion

• 46 CFR Subchapter S – Part 174, Subpart B – Special Rules Pertaining to Deck

Cargo Barges

• U.S. Army Corps of Engineers, Publication No. EM 385-1-1, “Safety and Health

Requirements Manual.”

• The National Shipbuilding Research Program (NSRP 0490), “Industrial Standards for Hull Structural Penetration Design Criteria and Details.”

C004 CLASSIFICATION & CERTIFICATION

A. ABS CLASSIFICATION

The barge contractor shall be responsible for obtaining necessary regulatory body reviews and approvals of their design, obtaining necessary inspections and surveys during construction, and for the certification and classing of the vessel as follows:

• ABS classification for Maltese Cross A1 Barge, Rivers Service, with

Reinforcement B.

• ABS statement of fact documenting that, in addition to class requirements, the structure of the barge is adequate to support the vessel being lifted out of the water in loading conditions up to a barge weight of 1,100,000 lbs.

• ABS statement of fact documenting that, in addition to class requirements, the lifting structure and padeyes are designed to support the barge being lifted weighing up to 1,100,000 lbs. with a factor of safety of not less than 5 based on the ultimate strength of the structure.

The ABS Vessel ID number shall be obtained by the contractor.

The recommended ABS point of contact is Robert Smith, who can be reached by phone, email or mail, at: (703) 519-9970, RSmith@eagle.org, or 1525 Wilson Blvd, Suite 629, Arlington, VA 22209.

When steel construction commences, the barge contractor shall coordinate with ABS to ensure the frequency of onsite inspections are not less than once every two weeks.

If the barge contractor intends to launch, test, operate or tow the barge “out of class”, the barge contractor must specifically advise ABS of such intent and incorporate any and all modifications required by that agency for such operation at no additional cost to the

Government and at no additional contract time. Any such modifications which, in the opinion of the COR, affects the arrangements, operability, or suitability of the vessel shall be removed from the vessel by the barge contractor at no additional cost or time and the vessel returned to new condition prior to Final Acceptance.

All costs associated with ABS design review and classification shall be to the contractor’s account.

B. VESSEL OWNER & ADDRESS

For the ABS certificate of classification, the owner shall be listed as “U.S. Army Corps of

Engineers, Rock Island District”. The owner’s address of record shall be listed as:

US ARMY CORPS OF ENGINEERS

ROCK ISLAND DISTRICT

MISSISSIPPI RIVER PROJECT OFFICE

25549 182ND STREET

PLEASANT VALLEY, IOWA 52767

PHONE: (309) 794-4540

EMAIL: MATTHEW.C.THURMAN@USACE.ARMY.MIL

C. ABS ENGINEERING MANAGER ACCESS & DISCLOSURE

The Marine Design Center (CEMDC) will be the “Owner’s Representative” on this project and all correspondence with ABS shall be made available to the COR. In order to facilitate the communication process and reduce the paperwork burden on all parties, the barge contractor, and all sub-contractors, shall utilize the ABS Eagle Coordination Engineering

Manager Portal (02E) for all drawing submittals and correspondence. The barge contractor and any/all sub-contractors shall make the necessary arrangements with ABS to ensure that the Marine Design Center is granted the following Oversight Permissions for this contract:

• View project and drawing status

• View comments

• View transmittals mailto:RSmith@eagle.org

• Download approved drawings and review letters

• E-mail notification of transmittal

• E-mail notification of approval

• Status

• Disclaimer

The Marine Design Center’s ID/WCN number is 615255 and the point of contact with respect to the ABS Coordination/Engineering Manager Portal (02E) is Mr. Tim Keyser, Timothy.J.Keyser@usace.army.mil, phone: (215) 656-6171.

The contractor shall ensure that, as a part of its contract with ABS, the contractor authorizes

ABS to disclose to, and discuss with, the Army Corps of Engineers any rule or certification criteria issues, design assumptions and their impact on classification and certification, and any other technical considerations on which classification is to be based or which may affect future classification or certification of the vessel.

The contractor shall authorize ABS to provide the Army Corps of Engineers, at its request, with a copy of all correspondence related to classification, statutory certification, or other compliance verification for which ABS is responsible as it is promulgated and initially distributed. This is to include drawings and other engineering work requiring ABS approval, as well as correspondence generated which relates to such approvals, including all such correspondence dealing with vendors.

Upon request by the COR, the contractor shall request ABS to furnish the Government with the project comment list. The list shall include open and closed technical and surveyor comments. The surveyor comments shall not only include comments generated during the drawing review process, but also comments generated by the ABS Surveyor during construction inspections. The comment list shall be sent directly from ABS to the COR via email as a .pdf file.

At the completion of the ABS review process, the barge contractor shall download all ABS

“Eagle Stamped” drawings and provide them on a portable hard drive to the Government in .pdf format.

C006 VESSEL IDENTIFICATION & PRINCIPAL CHARACTERISTICS

A. VESSEL IDENTIFICATION

The vessel to be acquired through this solicitation has been assigned the following name and Marine Design Center hull and project numbers:

MDC Hull Number 865

MDC Project Number 2685

Vessel Name TBD mailto:Timothy.J.Keyser@usace.army.mil

The vessel name has not been selected at this time. For the purpose of initial documents and drawing preparation, the title used shall be:

“CEMVR QUAD CITIES TEST TANK”

Upon selection of the official name for the vessel by the Government, the contractor shall incorporate the name into all “As-Built” documents and the construction drawing of the hull markings. The MDC hull number shall be used in lieu of an “Official Number”.

B. PRINCIPAL CHARACTERISTICS

These specifications are intended to describe the concept design for one test tank barge.

The principal dimensions of the barge are:

Length Overall 58’-0”

Beam Overall 38’-0”

Molded Depth (@ C.L.) 10’-0”

C010 DEFINITIONS

The following definitions are applicable to phrases and acronyms used throughout this contract:

• ABS – American Bureau of Shipping

• API – American Petroleum Institute

• COR - Contracting Officer’s Representative - a member of the contract management and quality assurance team authorized by the Contracting Officer to perform certain administrative and managerial duties. A copy of the COR’s authority letter is furnished to the contractor.

• GFE – Government Furnished Equipment – Equipment, materials or components furnished by the Government to the contractor for installation on the vessel.

• K.O. - Contracting Officer - A person with the authority to enter into, administer and/or terminate contracts and make related determinations and findings.

• MDC – Acronym for the Marine Design Center.

• QC - Quality Control - Quality Control is a function of the contractor. Refer to clause E03. Quality Assurance (QA) is a function of the Government.

• USACE – Acronym for United States Army Corps of Engineers.

• USCG - Acronym for United States Coast Guard.

C025 CONTRACTOR QUALITY STANDARDS

A. GENERAL

The contractor shall be responsible for the construction of a complete and functioning vessel.

Inspection by the Marine Design Center is for the purpose of verifying the proper function of the contractor’s quality control measures and is not to be used as a substitute for control of quality by the contractor.

Every effort shall be made during production planning to construct the vessel in an efficient sequence minimizing re-work and repair. Care shall be taken to assure the latest revisions of the detailed design plans are being used.

B. STRUCTURAL MATERIALS

Unless otherwise specified or noted, all structural hull material shall be in accordance with the following specifications:

• American Bureau of Shipping (ABS), “Rules for Building and Classing Steel

Vessels” and “Rules for Building and Classing Steel Vessels for Service on Rivers and Intracoastal Waterways”.

• Welding Materials - ABS “Approved Welding Electrodes, Wire-Flux and Wire Gas

Combination”.

• Bolts, nuts and screws – ASTM A307-82, Specification for Carbon Steel Externally and Internally Threaded Standard Fasteners.

C. STANDARD PARTS AND MATERIALS

All articles, fittings, equipment, machinery, supplies, and materials used in the construction and outfitting of the vessel shall be new, of the highest grade, free from defects and imperfections, and be the standard product of reputable manufacturers, to the maximum extent practicable. Any material not specified shall be the best of their kind for the purpose intended. All items shall be suitable for workboat application and meet the latest requirements of standard specifications published by National Agencies. No salvaged materials shall be used in the works. Spare parts and service shall be readily obtainable.

D. WORKMANSHIP

All labor shall be especially skilled for each kind of work and under competent direction.

Where work of one trade joins, passes through, or is on other work, there shall be no discrepancy or misfit when completed. In engaging one kind of work with another, marring or damage of previously acceptable construction shall be cause for rejection. All parts of the vessel intended to join or bear upon other parts shall have complete and solid contact and shall fit together without excessive cold work during erection. All faying surfaces shall be painted and be clean and smooth before bolting up. Shims or liners shall not be used for the purpose of overcoming a bad fit.

All frames and longitudinal members, where applicable, shall be provided with limber holes and/or snipes of adequate size to allow water in bilges to flow to the lowest point of each compartment. Limber holes shall also be provided to allow for the passage of air in tanks. Limber holes shall be located at the plate edge.

Ends of outstanding flanges shall be cropped. Lighting holes may be punched or flame-cut and all edges shall have burrs removed.

All holes for machinery mounting bolts shall be drilled or punched; burning is not acceptable. Holes in members having sharp curvature shall be avoided.

All hull casting shall be machined or ground to bear solidly against the connecting structure.

E. WELDERS

All welding under this contract shall be done only by welders who have successfully passed qualification tests accepted by the American Bureau of Shipping or other regulatory agency acceptable to ABS. The contractor shall bear the expense of conducting these tests and shall certify, by name to the Contracting Officer, welders who have successfully passed the prescribed tests and hold current, valid certifications.

The contractor shall require any welder to repeat these tests when in the opinion of the

Contracting Officer’s Representative, the work of the welder indicates a reasonable doubt of his proficiency. In such cases the welder shall be re-certified as above if he successfully passed the retest; otherwise, he shall be disqualified until he has successfully passed the retest.

The barge contractor shall maintain records of the individual welder’s certification during the course of the contract. The records are to be available for examination upon request of the Contracting Officer or his representative.

F. WELDING

All welding shall be in accordance with the current rules of the American Bureau of

Shipping, except where stated otherwise. All welding equipment used on the work shall be of a modern type subject to close control. The electrodes used throughout the work shall be suitable for use with the parent metal at each weld, and be approved by ABS.

Welding procedures, as to direction, length, numbers and sequence of beads, shall be carefully planned to minimize lock-up stresses and distortion. Care shall be exercised to produce smooth even beads, especially on all exposed plating and fittings. Beads shall be ground where directed by the Contracting Officer or his authorized representative.

The contractor shall employ appropriate welding procedures and grounding connections to preclude the possibility of anodic erosion of the hull after launching.

A detailed description of all welding procedures being employed in the construction shall be available to the Contracting Officer or his authorized representative.

G. INSTALLATION

Materials and equipment shall be installed in accordance with the approved recommendations of the manufacturer, and in compliance with this specification and the contract documents. The installation shall be accomplished by workmen especially skilled for each kind of work and under competent direction.

H. PLATE FAIRNESS

Steel plating shall be installed using proper welding procedures and sequences to insure fair, undistorted plating panels. The use of filler materials to surface unfair areas is not acceptable.

Maximum allowable plating distortion is depicted in the “Shipbuilding And Repair Quality

Standard” from IACS. Distortion shall not exceed the amounts in this guide.

I. CONSTRUCTION STANDARDS

All material, machinery and equipment shall be new, of current manufacture and suitable for the marine service intended. Spare parts and service shall be readily obtainable.

All material, unless otherwise specified in these specifications or in the drawings, shall be of commercial quality to ASTM, ANSI, or SAE specifications.

During construction and before delivery, the contractor shall be responsible for protection of all material, equipment, etc., intended for the vessel.

The overweight tolerance of members shall be within the limits defined by the specifications of the American Society for Testing and Materials.

All materials shall be free of imperfections due to manufacturing processes and from defects which adversely affect appearance or serviceability.

All plating shall be neatly cut, fitted and welded. All sharp edges or projections which constitute a personnel hazard shall be removed or ground smooth. All notches shall have a radius to prevent stress concentrations.

Where aluminum must be attached to dissimilar metals or between dissimilar alloys of aluminum, fasteners shall be of stainless steel of an approved design with insulation as required to eliminate metal to metal contact.

All galvanizing shall be done after fabrication by the hot dip process, and the zinc shall be not less than 98% pure. In instances where some types of metals cannot be hot dip galvanized, zinc silicate coating may then be substituted.

C040 SCOPE OF WORK

A. CONTRACTOR’S RESPONSIBILITY

The contract consists of four phases:

Phase I Planning and Scheduling

Phase II Engineering

Phase III Construct and Test

Phase IV Deliver

In accordance with the four phases, the contractor assumes complete responsibility for developing and completing the design of the test tank barge, obtaining ABS classification and certification, and constructing, testing, and delivering the test tank barge to meet the requirements of the contract. Should the contractor determine at any time that he is unable to fulfill those responsibilities, he shall notify the COR immediately of the problem experienced and his proposed manner of correction.

B. CONTRACT INTENT

The details contained in this specification delineate a “Concept Design” for this vessel, which is the first step in the design process. The performance requirements have been engineered sufficiently to verify initial feasibility, and to achieve an adequate level of confidence that the test tank barge design can be developed to meet the performance, operational requirements and the design objectives of the U.S. Army Corps of Engineers.

The contractor shall take the details of this specification and design a test tank barge which satisfies all the criteria laid out within.

C. DESIGN PROGRESSION AND DETAILED DESIGN

During Phase II, Engineering, it is the contractor’s responsibility to provide appropriate design progression to minimize rework and to complete the Detailed Design of the vessel based on the “Concept Design” delineated for the vessel in this specification.

Preliminary drawings/documents shall be made available to the Government for review and evaluation of vessel stability, strength and ability to meet the mission requirements.

This shall occur prior to the development of necessary production details. If it is determined that the vessel balances and meets the specification requirements, the contractor shall proceed with the necessary production details of the Detailed Design. If not, adjustments shall be made at this stage of the design process, which shall minimize rework. These checks shall be made prior to the labor-intensive development of production details necessary to build the vessel, which shall follow.

The Detailed Design is the basis for construction and shall include all necessary production details. It is always completed prior to the start of construction.

The Detailed Design must be so clear in its intent that the features, characteristics, capabilities, design criteria, margins and success criteria of each component or system cannot be mistaken. The level of detail presented and documented by calculation in the detailed design shall be sufficient for all required regulatory approvals, and for the

Government’s quality assurance function.

All costs associated with detailed submittals for review by Regulatory Agencies and ABS

(for compliance with classification and certification requirements), inspection, testing, and classification shall be the responsibility of the contractor.

A notice to proceed to begin Phase III, Construct and Test, will not be issued until all required submittals have been made to the Government, and the drawings have been reviewed and approved by ABS.

D. DRAWINGS PROVIDED AND REQUIRED

1. Contract and Reference Drawings Provided

Contract and Reference drawings that are part of this solicitation are listed in contract

Section J.

The reference drawings that are part of this solicitation are intended to provide useful information that may have application to this procurement. The exact details presented in the reference drawings may not reflect the specific needs of the barge but present the contractor with a methodology to develop a specific system or design feature as identified in the specification. The barge contractor shall not build from any reference drawing. It is the responsibility of the barge contractor to use the written specifications and the reference drawings to properly develop the detailed design and engineering drawings in order to construct the barge.

2. Detailed Design Drawings Required

Section H, contract Clause H12, Engineering and Drawings, contains a list with the minimum drawings/calculations required to be developed by the contractor for the detailed design.

For clarification purposes, the list in contract Clause H12 details the drawings by action groups. The action groups distinguish between separate categories based upon the engineering requirements to be completed by the barge contractor. The following is a description/definition of these categories:

• Drawings To Be Finalized: as part of the scope of work for this effort, the contractor shall be required to finalize a certain number of contract drawings to achieve a detailed design. These drawings have been included as contract drawings. The scope and extent of the necessary finalization has been explained in detail in each respective contract Clause. These drawings shall be updated and submitted to the Government and, if required for class to ABS for review and approval.

• Drawings To Be Developed: the barge contractor shall develop a detailed design drawing package to achieve a detailed design to conform to the requirements of this solicitation. The drawings identified represent the minimum number and type of drawings that will be acceptable to the Government for detailed design. These drawings shall be developed and submitted to the Government and ABS for review and approval for class.

• As-Built Drawings: the barge contractor shall be required to provide a complete

“As-Built” record of the vessel. The requirements for the “As-Built” drawings are further defined in contract Clause H14.

C100 SCIENTIFIC

All scientific data shall be provided in United States Customary System units of measurement (pounds, long tons, and feet). Data provided in other units will not be evaluated or considered.

C105 HULL GEOMETRY

The hull geometry is defined as shown in section B of this clause. The barge shall be flat sided with no rakes, camber, or sheer. The numbering of frames shall start with 0 at the bow. The contractor shall develop the following drawings during Phase II as a part of this clause:

• 865-C105-01 HULL LINES PLAN & OFFSETS

B. PRINCIPAL CHARACTERISTICS

The hull shall have the following principal dimensions:

Length Overall 58’-0”

Beam Molded 38’-0”

Molded Depth 10’-0”

C. AS BUILT DIMENSIONAL VERIFICATION

Upon completion of the vessel but prior to launch, the contractor shall conduct a laser scan detailing the as built dimensions of the vessel. The contractor shall develop a drawing detailing the results of the laser scan numbered 865-D105-02 and titled HULL LASER

SCAN RESULTS. The contractor shall develop the final hydrostatic model for the hull in

GHS based on the results of the laser scan.

C115 WEIGHT ESTIMATE

The contractor shall implement a careful weight estimating and monitoring procedure.

During the Engineering Phase of the Contract (Phase II), the contractor shall prepare a detailed weight estimate for the vessel based on selected equipment and take-offs of materials. This drawing shall be numbered 865-C115-01 and titled WEIGHT ESTIMATE.

Weights and centers of gravity shall be documented in a spreadsheet type format using the

MDC Work Breakdown Structure (WBS).

The detailed weight estimate shall be complete with the longitudinal, transverse, and vertical location of the center of gravity of all items included in the estimate.

During the Construct and Test Phase (Phase III), the contractor shall continue to update the weight and CG estimate monthly. The update shall reflect actual equipment location as installed, and any changes to the structural weight.

The Government will review the weight estimate to ensure the anticipated draft, and trim and stability conditions of the barge are satisfactory. If weight growth that adversely impacts the vessel’s trim and stability is found, the Government will coordinate with the barge contractor to determine the cause and develop remedial action.

B. INCLINING & DEADWEIGHT SURVEY

Upon completion of all work with the barge in the lightship condition, the contractor shall conduct an inclining test and deadweight survey. The inclining test shall be carried out in accordance with ASTM F 1321-14 and contract Clause E05. The contractor shall be responsible for developing the inclining test procedure/plan, providing all certified inclining weights, pendulum setup, support equipment and personnel, directing the experiment, recording all data and completing the inclining test report. The Government may elect to participate in the incline experiment as a witness.

During Phase III, the contractor shall prepare an inclining test procedure/plan and submit it to the Government and ABS for review and approval. The plan shall be numbered 865-

C115-02 and titled: INCLINE EXPERIMENT PLAN. For the Government’s review, the plan shall be submitted at least 14 days prior to the scheduled inclining.

Following the completion of the inclining experiment, the contractor shall complete the incline test report and determine the lightship displacement, centers of gravity and hydrostatic properties of the test tank barge. The report, numbered 865-D115-03 and titled:

INCLINE EXPERIMENT RESULT, shall be submitted to the Government for review and approval.

C. FINAL STABILITY TESTS

At the conclusion of the incline test, the contractor shall produce document 865-D115-03

(INCLINE EXPERIMENT RESULT). Based on the results of the incline experiment as well as utilizing the hull geometry model generated by the laser scan required by contract

Clause C105, paragraph C, the contractor shall update the as-built drawings with the determined VCG and lightship weight. In particular, the following drawings shall be updated and submitted to the Government for approval:

865-D125-01 HYDROSTATICS

865-D150-01 DAMAGE STABILITY CALCULATIONS

865-D155-01 INTACT STABILITY CALCULATIONS

C125 HYDROSTATICS

Hydrostatics calculations shall be performed for the vessel in fresh water at all possible operational drafts including lightship. The contractor shall develop a document during

Phase II numbered 865-C125-01 and titled HYDROSTATICS/CURVES OF FORM under this clause.

The calculations shall be in tabular form and completed in 1-inch increments for drafts ranging from lightship to a draft of 9 feet. The tabulated hydrostatic curves shall be plotted on a standard D size drawing. Resulting calculations shall be presented in graphic form on a grid background. The curves are to include as a minimum:

• Displacement in salt water, full and molded

• Center of buoyancy (LCB, VCB)

• Tons per inch immersion (TPI)

• Longitudinal center of floatation (LCF)

• Transverse and longitudinal metacentric heights (KML, KMT)

• Moment to trim one inch (MT1”)

• Block, prismatic and water plane coefficients (Cb, Cp, Cw)

The hydrostatics shall be performed using the GHS computer software (Creative Systems

Inc., Port Townsend, WA (360) 385-6212). The hull definition file (or *.gf file) shall be defined as the hull dimensions plus plate thickness, and shall be provided in electronic format with the hydrostatics submittal. The hull definition file shall be updated based on the results of the laser scan required by contract Clause C105, paragraph C.

C130 TANK SOUNDING TABLES

The contractor shall produce certified and calibrated as-built tank sounding tables similar to Saybolt for each vessel compartment. The tank sounding tables shall meet the requirements of the American Petroleum Institute’s Manual of Petroleum Measurement

Standards Chapter 2.8A: Calibration of Tanks on Ships and Oceangoing Barges. The tables shall be produced during Phase III of the contract and titled 865-D130-01 TANK

SOUNDING TABLES. The tables shall be calibrated for soundings taken through the hatch on the main deck into each tank. The tables shall have a resolution of one half inch or better. The zero reference shall be the bottom of the tank and measurements shall be taken from the underside of the main deck plating.

C150 DAMAGE STABILITY

A. STABILITY CRITERION

The vessel shall meet a one compartment damage stability condition where with any one compartment flooded, the vessel shall maintain positive righting arm and all parts of the hull above the deck edge remain above the flooded waterline.

B. CALCULATIONS

Damage stability calculations shall show equilibrium water lines, curve of righting arm versus heel angle in 5-degree or less increments to capsize angle for each flooded compartment. The freeboard shall be reported at the four deck corners for each damaged condition. All damage shall be applied to the barge while in the lightship condition.

The contractor shall prepare a damage stability analysis for the vessel during the

Engineering Phase (Phase II) of this Contract verifying compliance with this criterion.

The calculations shall be presented in a document numbered 865-C150-01 and titled

DAMAGE STABILITY CALCULATIONS. Any calculations showing a failure to meet this criteria shall be reported in a timely manner to the COR with recommendations for correction.

The analysis shall be performed using the GHS computer software and all run files and macros used in calculating the damage stability shall be submitted with the analysis in electronic format. The analysis shall be updated using the lightship weight determined by the deadweight survey and incline test after completion of the vessel (prior to Final

Acceptance). This revision shall be based off the hull definition file updated as a result of the hull laser scan required by contract Clause C105, paragraph C. The damaged stability shall not consider the loaded or ballasted conditions required to be analyzed under contract Clause C155 as these will be temporary loading conditions.

The damage stability calculations shall be presented in report form with a cover sheet complying with the drawing standards and including a drawing type title block. The report shall include a table of contents, summary, explanation of all assumptions, clear definition of origins and units used, and the finished calculations.

C155 INTACT STABLITY

This analysis shall determine the maximum allowable vertical center of gravity (KG) for the barge over a range of operating drafts, which are in compliance with the stability criteria below.

The analysis shall consider the following loading conditions of the barge:

• Lightship Condition – no ballast

• ABS Overload 55 foot radius condition – ballasted to a total weight of 1,079,975 lbs.

• Maximum load chart rating – ballasted to a total weight of 1,000,000 lbs.

• ABS Overload 85 foot radius condition – ballasted to a total weight of 735,231 lbs.

• ABS Overload 155 foot radius condition – ballasted to a total weight of 393,621 lbs.

B. STABILITY CRITERION

Intact stability calculations shall be performed for the vessel in accordance with U.S.

Coast Guard Regulation 46 CFR Subchapter S, for protected routes or partially protected waters. Relevant criteria shall be as follows:

1. Weather Criterion 46 CFR 170.170

A minimum metacentric height (GM) shall be defined vs. vessel draft based on a wind heeling moment and heel limitation to submergence of half the freeboard.

2. Deck Cargo Barge Criterion 46 CFR 174.015

C. CALCULATIONS

The contractor shall prepare a intact stability analysis for the vessel during the

Engineering Phase (Phase II) of this Contract verifying compliance with this criterion.

The calculations shall be presented in a document numbered 865-C155-01 and titled

INTACT STABILITY CALCULATIONS. Any calculations showing a failure to meet this criteria shall be reported in a timely manner to the COR with recommendations for correction.

The analysis shall be performed using the GHS computer software and all run files and macros used in calculating the intact stability shall be submitted with the analysis in electronic format. The analysis shall be updated using the lightship weight determined by the deadweight survey and incline test after completion of the vessel (prior to Final

Acceptance). This revision shall be based off the hull definition file updated as a result of the hull laser scan required by contract Clause C105, paragraph C.

The intact stability calculations shall be presented in report form with a cover sheet complying with the drawing standards and including a drawing type title block. The report shall include a table of contents, summary, explanation of all assumptions, clear definition of origins and units used, and the finished calculations.

C165 STABILITY BOOKLET

The contractor shall develop a stability booklet for the vessel. This plan shall be submitted for review and approval by the COR during the Engineering Phase (Phase II) of the contract. The plan shall be numbered 865-C165-01 and titled STABILITY BOOKLET.

The stability booklet shall include a ballast plan detailing the amount of ballast water required in each specific tank to achieve each of the displacements listed in contract Clause

C150, paragraph A. The plan shall be tabular by condition and shall include GHS condition report files showing the barge ballasted to the appropriate displacement.

The stability booklet shall also include the vessel’s lightship weight and center of gravity, displacement vs draft curves, tank tables (as per contract Clause C130), intact stability report (as per contract Clause C155), and damage stability report (as per contract Clause

C150).

The stability booklet shall be updated and finalized after the completion of the incline experiment and deadweight survey and shall utilize the updated hull model based on the laser scan required by contract Clause C105, paragraph C.

C170 DOCKING PLAN

A. REFERENCE DRAWING

731-E170-01 DRY DOCKING PLAN

B. DESCRIPTION OF WORK

The contractor shall develop a dry docking plan for the vessel. The dry docking plan and calculations shall be submitted for review and approval by the COR during the Engineering

Phase of the contract. The dry docking plan shall be numbered 865-C170-01 and titled:

DRY DOCKING PLAN. The dry docking plan calculations shall be numbered 865-C170-

02 and titled: DRY DOCKING PLAN CALCULATIONS.

After the completion of the inclining test and deadweight survey the drawing shall be updated to incorporate the results of the incline test on the drawing.

The dry docking plan shall be developed to show the blocking arrangement. The blocks to be used for docking shall be the standard dry docking blocks from the US Army Corps of

Engineer’s Ensley Shipyard & Repair Facility in Memphis, TN as shown on the reference drawing. The blocks used for the docking shall hold the barge in the lightship condition with no ballast on board.

The plan shall show all major hull structure on the bottom including all transverse and longitudinal bulkheads connecting with the bottom shell, as well as anodes and any other features which could interfere with the setting and shifting of docking blocks.

The plan shall also include an alternate blocking arrangement to allow for the servicing of all areas of the bottom of the barge. No block shall remain in the same position on the alternate blocking plan as it was on the primary dry docking plan.

The blocks shall be located to evenly distribute the loads and avoid undue stresses within the hull structure. Blocks shall be located in way of main structural, longitudinal, and transverse bulkheads wherever possible. Where blocking is located on frames other than bulkheads, appropriate docking brackets shall be designed and installed within the hull.

Docking bracket details shall be shown on the structural drawings. If the end(s) of the vessel are unsupported, the barge contractor shall provide calculations with the plan submittal showing that the hull strength is adequate to handle the cantilevered load.

The dry docking plan shall contain all of the information contained in the reference drawing to include:

• Dimensioned drawing of the docking block

• Total area covered by the docking blocks for each plan

• The maximum block loading (kips/foot-squared)

• Lightship weight determined by the Inclining Experiment, its LCG and VCG o For the Engineering Phase submittal, substitute the weight from the most recent revision of 865-C115-01.

• Load condition for which the plan was developed

C185 TESTS & TRIALS

The barge and its component parts shall undergo testing and trials in accordance with

Section E of the contract.

C200 ARRANGEMENTS

C215 GENERAL ARRANGEMENTS

A. CONTRACT DRAWING

• 865-B215-01 GENERAL ARRANGEMENT

B. GENERAL

The arrangements of the barge shall be as stated within these specifications and as shown in the contract drawing.

The barge shall be 58’ x 38’ x 10’ as defined in contract Clause C105, paragraph B. The barge shall be square on both ends with no rakes.

The subdivision shall be determined by the contractor and shall meet all of the stability requirements of the 100’s Clauses of this specification. The barge shall be subdivided such that it can be ballasted to all of the required loading conditions defined in contract Clause

C150, paragraph A while remaining in level longitudinal and transverse trim. Slack tanks should be minimized as much as possible for these loading conditions. Transverse and longitudinal bulkhead(s) shall be used to achieve necessary subdivision but shall be minimized in number to the greatest extent possible.

The deck of the barge shall be flat with no shear or camber. The barge corners, deck connection to the side shell, and bottom connection to the side shell shall all be radiused connections. Bilge radius shall be 6 inches and the deck to side shell shall have an inside radius of 3/4 inches. Barge corners radius shall be determined by the contractor during

Phase II.

The following drawing are required to be finalized during Phase II under this clause:

• 865-C215-01 GENERAL ARRANGEMENT/PROFILE

C300 STRUCTURE

C301 GENERAL REQUIREMENTS

The contractor shall select and size the barge structure in accordance with ABS classification standards indicated in Clause C003 to obtain the classification identified in

Clause C004.

The hull steel plate shall be ABS Grade A Steel. The steel structural shapes, stiffeners, and angles shall be ASTM A36 steel.

C305 HULL STRUCTURE

A. DESCRIPTION OF WORK

The hull shall be of all welded steel construction and divided into watertight compartments with transverse and longitudinal bulkheads as determined by the contractor in Phase II of the contract. The contractor shall construct the hull in accordance with the Government and ABS approved detailed design drawings generated in Phase II.

The deck shall be designed to accommodate deck loadings of 2,000 psf.

The contractor shall verify the sufficiency of the structural design through a detailed Finite

Element Analysis (FEA). Particular attention shall be paid to the loading imparted by the water ballast on the bottom structure when the test tank is lifted out of the water, and the contractor shall obtain an ABS statement of fact to this effect in accordance with Clause

C004. The FEA shall be submitted to ABS for approval prior to NTP for Phase III being issued.

Once the detailed design has been reviewed and approved by ABS and the Government, no structure shall be altered, particularly lightened, in any manner without the approval of the COR.

All welding and weld sizes shall be sized and identified by the contractor in accordance with the applicable standards of the American Bureau of Shipping. A welding schedule shall be developed by the barge contractor and approved by ABS. All welding shall be performed in accordance with AWS and ABS specifications and procedures.

The shell and main deck plating shall be constructed of longitudinal strakes of lengths consistent with accepted practice for hulls. All seams shall be connected with full penetration welds. Hull plating seams may not fall within 12 inches forward or aft of flat-of-bottom transverse tangent line (bottom rake), nor within 2 inches of a girder or plate stiffener. Seams shall not be aligned directly over bulkhead plating or over the webs of stiffeners and transverses. Shell plating shall not be thinner than 0.375 inches. Main deck plating shall not be thinner than 0.5 inches.

Should a penetration be made in watertight bulkheads, shell or deck, the plating shall be restored to watertight condition in accordance with the ABS Rules referenced in contract

Clause C003. All such penetrations and deck openings shall be suitably designed and reinforced in accordance with NSRP 0490 (referenced in contract Clause C003).

All structural drawings submitted by the barge contractor to the COR for approval shall be submitted with supporting calculations to facilitate the Government’s review. The following drawings are required under this clause:

• 865-C307-01 DECK & BOTTOM PLATING

• 865-C307-02 SIDE SHELL PLATING

• 865-C309-01 TRANSVERSE FRAMING & DETAILS

• 865-C309-02 TRANSVERSE BULKHEADS

• 865-C311-02 LONGITUDINAL STRUCTURE

• 865-C380-01 WELDING SCHEDULE AND DETAILS

• 865-C399-01 ABS STRUCTURAL CALCULATIONS

• 865-C399-02 BARGE FINITE ELEMENT ANALYSIS

B. INSERT PLATES

All deck fittings and deck equipment shall be mounted on ½ inch insert plates welded continuously to the deck with headers or brackets below. Plates shall have 6 inch radius corners and extend a minimum of 6 inches beyond the item in all directions. All deck fittings shall be welded to the insert plates with combination fillet and single bevel groove welds. All insert plates shall be welded to the deck plate with continuous, fillet perimeter welds.

C340 LIFTING PADEYES

The contractor shall design and install four (4) removable lifting padeyes on the main deck of the barge. These padeyes shall be used to lift the barge for load testing in the ballasting conditions listed in contract Clause C155, paragraph A. The padeyes shall be located symmetrically about the longitudinal and transverse centerlines in order to achieve a balanced load during load testing. The padeyes shall be located inside the perimeter formed by the mooring equipment near the deck edge. The padeyes shall be removable via a bolted connection to the barge structure. Backup structure shall be stiffened to prevent undue bending during lifting. The structure shall be designed with a factor of safety of not less than 5 based on the ultimate strength of the structure. The contractor shall obtain an ABS

Statement of Fact certifying these standards in accordance with Clause C004.

The contractor shall develop the following drawings under this clause and submit them to the Government for review and approval during Phase II of the contract:

• 865-C340-01 LIFTING PADEYES

• 865-C340-02 LIFTING PADEYE CALCULATIONS

• 865-C340-03 RIGGING PLAN

The engineering performed under this entire clause shall be by a Registered Professional

Engineer (PE) competent in the area of lifting structure design. The drawings required under this clause shall be PE reviewed and stamped.

B. RIGGING PLAN

The contractor shall devise a rigging plan for lifting the test tank barge during load testing.

The load shall be lifted utilizing the four lifting padeyes. The rigging plan shall identify the required hardware and their required safe working load ratings for the shackles and wire rope slings to be used. The contractor shall generate a drawing in accordance with paragraph A of this clause. Note that the contractor is not required to supply any of the lifting hardware as a part of this contract.

C400 OUTFIT

C404 CORROSION PREVENTION

The choice of materials, the fabrication procedures, and the coating systems to be used in the fabrication of the barge, shall indicate that careful consideration was given by the barge contractor to improve corrosion resistance and life expectancy.

As an example, the structure shall be designed and fabricated by the contractor to avoid corrosion, by effectively:

• Insulating the contact surfaces between two dissimilar metals against galvanic corrosion.

• Preventing the entrapment of water (facilitate drainage and avoid pockets where water can accumulate).

• Facilitating the application of paint coatings (i.e. eliminate non accessible voids).

C405 CATHODIC PROTECTION

The barge contractor shall provide and install weld-on type aluminum anodes for the barge hull. The anodes shall be manufactured and certified in accordance with MIL-SPEC MIL-

A-24779. The amount and locations of the anodes shall be calculated in accordance with

Naval Technical Publication T9633-AT-DSP-010. Calculations for the amount and weight of the anodes shall be provided to the Government. Anodes shall be evenly distributed along the bottom shell and shall not be painted. Anodes shall not protrude past the inner tangent of the bilge radius. The contractor shall develop a drawing numbered 865-C405-

01 and titled ANODE INSTALLATION as a part of this clause.

C406 COATING SYSTEM

865-B406-01 MDC STANDARD FLOATING PLANT PAINT SCHEDULE

B. SURFACE PREPARATION

Surface preparation for all structural steel shall be in accordance with Steel Structures

Painting Council Standards SSPC-SP10-85 (Near White Metal Blast) throughout. Profile blasting shall be in accordance with the primer manufacturer’s requirements. All mill scale, weld spatter, dirt, oil and grease shall be removed.

Immediately upon completion of surface preparation, all steel shall be coated with the coating system described in the following this clause.

The contractor can use either pre-construction primer or limit initial coating to base coat only. If initial coating with base coat is selected, prior to application of subsequent coats, all steel shall be sand swept clean (light blast) or water blasted, and any damaged areas repaired prior to application of the remainder of the system. All areas needing repair shall be cleaned to bare metal, spot blasted to restore profile and re-coated with the base coat.

C. PAINT REQUIREMENTS

Paint shall be delivered in sealed containers with labels to indicate manufacturer, date of manufacture, contents, and any special instructions. Paints and painting materials shall be stored under cover and protected from extreme temperatures.

Paints shall not be used if they have exceeded the closed shelf or pot life, recommended by the manufacturer. Additionally, paints shall not be applied in weather or humidity conditions that do not comply with the manufacturer’s recommendations.

D. APPLICATION OF COATINGS

Surface preparation and paint application shall be in strict compliance with the coating manufacturer’s recommendations. The contractor shall take particular care to ensure that coating system requirements are met in all areas, especially those difficult to coat, such as flange undersides. All painting on both the interior and exterior surfaces below the deck shall be accomplished prior to launching of the barge.

E. COATING SYSTEM

The system is composed of the following coating types:

• Self priming epoxy base coat

• Abrasion resistant epoxy barrier coat

• Fade resistant urethane top coat

F. PRE-QUALIFIED COATINGS

Coating systems from PPG Amercoat, International Paint, Sherwin-Williams, Jotun, and

Carboline have been reviewed and are pre-qualified to meet the coating requirements of this contract clause. The contractor may select any of these systems at his discretion.

However, the systems may not be “mixed”.