W912BU20P0016.pdf

W912BU20B0016

Section B - Supplies or Services and Prices

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0001 2 Each Work Boats

FFP

FOB: Destination

NET AMT

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0002 1 Each OPTION Work Boats

FFP

FOB: Destination

NET AMT

Section C - Descriptions and Specifications

STATEMENT OF WORK

Section C – Descriptions and Specifications

SCOPE OF WORK

C000 GENERAL

C001 PROJECT DESCRIPTION

The Marine Design Center (MDC) of the U.S. Army Corps of Engineers (USACE) has issued this solicitation to acquire two (2) all-welded aluminum work boats for the U.S. Army Corps of Engineers, Pittsburgh District. The vessels will operate on the Allegheny River in support of transporting and placing USACE buoys around locks AR2 through AR9. Additionally, if Optional CLIN 0003 is exercised, this shall include a third vessel with the same specifications.

The Contractor shall furnish all labor, material, tools, and test equipment to construct the vessels.

C002 CONTRACT OVERVIEW

For this contract, the Contractor shall include, at a minimum, all costs to provide and deliver the following:

• Provide drawings for the design and construction of two (2) workboats that satisfies the requirements in this procurement package.

• Fabricate two workboats in accordance with the specifications of this contract.

• If awarded, the Contractor shall provide a third vessel in accordance with the specifications of this contract.

• Test all equipment, systems, piping, and electrical systems for all awarded vessels.

• Deliver the completed workboats to:

o Pittsburgh Engineering Warehouse and Repair Station o 3900 Grand Avenue, Pittsburgh, PA 15225

• Delivery shall include all costs associated with the delivery including consumables, transportation equipment, labor, fees, and other costs.

• Delivery shall be coordinated with Ian McKelvey at 412-395-7656 or by email at Ian.M.McKelvey@usace.army.mil

• Final Acceptance Demonstrations at the Corps’ designated point of Final Acceptance of the completed workboats.

The contract will be administered in three phases:

Phase I – Planning, Scheduling & Engineering Phase II – Construction and Testing at Manufacturer’s Facility Phase III – Delivery and Testing at the Final Destination

The maximum period for each phase will be:

Phase I – 120 days Phase II – 300 days from the completion of Phase I Phase III – 90 days from the completion of Phase II

Each phase shall only begin after a written Notice to Proceed (NTP) is issued to the Contractor. Note that phases can be completed in less time than allowed by the contract.

The intention of Phase I is for the Government to review the vessel design and confirm it complies with the contract requirements. In addition, the schedule developed and provided by the Contractor will allow the Government to plan for the necessary quality assurance work in order to minimize disruptions to the build schedule.

The intention of Phase II is for the Contractor to build the vessels and demonstrate performance through successful testing at their facility. The Contractor shall also be responsible for prepping and packaging for shipment the vessels and components, and all optional line items awarded.

The intention of Phase III is for the Contractor to deliver the vessel at the final destination site as identified earlier in this section. The Contractor shall demonstrate the full vessel performance with the vessels in the water during this phase.

C003 DESIGN STANDARDS

The vessel and all equipment shall be designed and constructed in accordance with the latest edition and interpretations of the rules, regulations, requirements and standards of the Legislation, Regulatory Agencies and technical organizations listed below. The Contractor is required to incorporate requirements included in any revisions to the rules and regulations listed below as well as those stipulated in the respective specification clauses.

• The most current edition of EM 385-1-1, United States Army Corps of Engineers (USACE) “Safety and Health Requirements Manual” at the time of award.

• International Association of Classification Societies (IACS) Guide No. 47

• ISO Standard 11812 “Small Craft – Watertight cockpits and quick draining cockpits”

• ISO Standard 12217-1 Small Craft Stability and Buoyancy Assessment and Categorization, Non-Sailing

Boats of Hull Length greater than or equal to 6M.

• ISO Standard 12215 (all parts): Small Craft – Hull Construction and Scantlings

• ISO Standard 12216: Small Craft – Windows, portlights, hatches, deadlights and doors – Strength and watertightness requirements

• ISO Standard 14945: Small Craft – Builder’s Plate

• ISO Standard 14946: Small Craft – Maximum Load Capacity

• ISO Standard 15085: Small Craft – Man-Overboard Prevention and Recovery

• U.S. Coast Guard, Navigation Rules and Regulations, International and Inland, COMDTINST M16672.2D

• The National Shipbuilding Research Program (NSRP 0490), January 1998, “Industrial Standards for Hull

Structural Penetration Design Criteria and Details.”

• Institute of Electrical and Electronic Engineers Standards, Publication No. IEEE Standard 45-2002, “Recommended Practice for Electrical Installation on Shipboard.”

• Illuminating Engineering Society, “Recommended Practice for Marine Lighting”.

• National Electric Code (NEC).

• American Boat and Yacht Council (ABYC) Standards for all Machinery & Electrical Systems

C004 CLASSIFICATION AND CERTIFICATION

The Contractor is not required to obtain ABS class for the vessels.

The Contractor shall obtain a PE stamp for all drawings certifying that the design is in accordance with the contract Design Standards in Section C003.

C006 VESSEL IDENTIFICATION & PRINCIPLE CHARACTERISTICS

A. VESSEL IDENTIFICATION

The vessels to be acquired through this solicitation have been assigned the following names and Marine Design Center hull and project number:

MDC Hull Number 862 MDC Project Number 3261 Vessel Names EMSWORTH, ALLEGHENY RIVER, (optional vessel) DASHIELDS

The MDC hull number shall be used in lieu of an “Official Number”.

B. PRINCIPAL CHARACTERISTICS

These specifications are intended to describe the contract design for one aluminum workboat. All workboats procured in this solicitation shall be built to these specifications. The principal dimensions of the vessel are:

Molded Length 40’-0” Molded Beam 14’-0” Freeboard 4’-0” Air Draft 14’-0”

C010 DEFINITIONS

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

• 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.

• 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. Quality Assurance (QA) is a function of the Government.

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

C025 CONTRACTOR QUALITY STANDARDS

A. GENERAL

The Contractor shall be responsible for the construction of complete and functioning vessels.

Inspection by the Government 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 vessels in an efficient sequence minimizing re-work and repair. Care shall be taken to assure the latest revisions of the Final 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” noting that there are material deductions in the rule set for use with aluminum.

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

• Bolts, nuts and screws – ASTM F468-16, Standard Specification for Nonferrous Bolts, Hex Cap Screws, Socket Head Cap Screws, and Studs for General Use.

C. STANDARD PARTS AND MATERIALS

All articles, fittings, equipment, machinery, supplies, and materials used in the construction and outfitting of the vessels 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 vessels 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 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. 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 their 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 their authorized representative.

G. INSTALLATION

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

The bridge deck structure, including all above deck column members, shall be prefabricated for installation onto the hull structure.

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 IACS Guide No. 47 “Shipbuilding and Repair Quality Standard”. 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

The Contractor shall design, build and deliver fully functioning vessels in accordance with the Contract.

During Phase I of the Contract, the Contractor shall prepare a Design for the vessels as described in this Contract.

The design shall be submitted to and approved by the Government prior to the start of vessel construction. See Contract Section H for further details on phase sequencing and submittals.

The design shall be developed from these Specifications.

During Phase II of the Contract, the Contractor shall build, prepare "As-Built" drawings, and test the vessels at the Contractor’s facility.

During Phase III of the Contract, the Contractor shall deliver the vessels to the Government’s facilities and test the vessels per the Contract.

B. CONTRACTOR’S RESPONSIBILITY

The Contractor assumes complete responsibility for constructing the vessels to meet the intent and requirements of this Contract. Should the Contractor determine at any time that he is unable to meet those design requirements, he shall notify the COR immediately of the problem experienced and his proposed manner of correction.

C. DESIGN

The Contractor shall perform engineering and design as required to develop the required Design drawings, and to verify compliance with all technical requirements.

Manufacturer "cut" sheets shall be provided for all equipment.

Calculations supporting stability analyses and structure shall be provided in a professional manner stating assumptions, showing calculations, and presenting conclusions.

Multiple sheet drawings shall have all sheets submitted at the same time for MDC review.

The Design prepared by the Contractor shall be submitted for review and acceptance by the Government.

D. DESIGN DRAWINGS

In order to confirm the vessel is in accordance with these specifications, the Contractor shall submit the following to the Government during Phase I for review and approval:

• Phase Schedule

• Contractor’s Safety Plan

• Weight and Center of Gravity Estimate

• General Arrangement and House Plans

• Hull Structure Scantling Plans with Welding Details

• Intact and Damage Stability Documents

• Lifting Stability Naval Architecture Analyses for all cranes

• Incline Experiment Plan

• Machinery and Equipment Bill of Materials

• Schematics for the Hydraulic, Fuel, and Bilge Systems

• Electrical One-Line Diagram

• Paint Schedule

• Safety Plan

• Propulsion System Arrangements

E. AS-BUILT DRAWINGS

The Contractor shall revise the design drawings as necessary to reflect the As-Built condition of the vessel. The drawings shall be submitted to the Government for approval prior to contract completion.

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.

C115 WEIGHT ESTIMATE

A. WEIGHT & CENTERS OF GRAVITY ESTIMATE

The Contractor shall submit a weight estimate for the vessel. The estimate shall identify LCG, VCG, and TCG.

Sufficient detail shall be provided to identify individual bulkheads, deck, bottom, sides, frames in compartments, pipe sizes and lengths, equipment models, duct sizes and length, cable sizes and lengths, etc. Weights and centers of gravity shall be documented in a spreadsheet type format. A 5% margin shall be included in the Phase I weight estimate.

B. INCLINING

The Contractor shall submit an inclining procedure for review and approval during Phase I of the contract.

Upon completion of all work, with the vessels in the lightship condition, inclining tests shall be conducted.

The Contractor shall assemble and launch the vessels at his facility for the inclining. The inclining test shall be carried out in accordance with ASTM F 1321-14 (2014). The final report documenting the results of the inclining shall be submitted.

The contractor can propose a USCG approved alternate method to document the vessels lightship weight and center of gravity.

The Contractor shall update the intact and damaged stability with the lightship displacement and CG results.

C150 DAMAGE STABILITY

A. GENERAL

The Contractor shall develop a damage stability analysis in accordance with the criteria identified below. This analysis shall be submitted to the COR during Phase I of the Contract for review and approval.

After the inclining experiment is complete and lightship values approved, the Contractor shall update this analysis with final weights and centers of gravity. The Contractor shall be responsible for submitting the updated analysis to the COR for review and approval prior to sea trials.

B. CRITERIA

The Contractor shall prepare a damage stability analysis to verify that the vessels satisfies the following criteria:

• 46 CFR 171.070, Subdivision requirements – Type II

Survival Criteria: prove by calculation the vessel will remain reasonably level and afloat when swamped or with any single compartment damaged in the full load condition.

In addition, the vessel must meet the floatation requirements for a swamped vessel in accordance with ISO 12217-1.

C. LOADING CONDITIONS

The following loading conditions shall be considered for all stability calculations:

• Lightship Condition

• Light Load –10% Fuel Oil, 10% all other fluids, 1,000 pounds on main deck

• Full Load –98% Fuel Oil, 90% all other fluids, 10,000 pounds on main deck

C155 INTACT STABILITY

The Contractor shall develop an intact stability analysis in accordance with the criteria identified below. This analysis shall be submitted to the COR during Phase I of the Contract for review and approval.

After the inclining experiment is complete and lightship values approved, the Contractor shall update this analysis with final weights and centers of gravity. The Contractor shall be responsible for submitting the updated analysis to the COR for review and approval prior to sea trials.

B. CRITERIA

The vessels shall be capable of meeting the following parameters in all loading conditions:

• Sufficient propeller immersion to maintain full thrust.

• No trim by the bow in any condition.

The intact stability criterion for the vessels include:

ISO 12217-1 Category B

For the analyses, the superstructure is not considered buoyant.

C. LOADING CONDITIONS

See Section C150 above for the loading conditions to be evaluated.

C160 INTACT AND CRANE STABILITY

A. GENERAL

The Contractor shall develop a lifting analysis in accordance with the criteria in EM-385-1-1, Part 16 L. This analysis shall be submitted to the COR during Phase I of the Contract for review and approval.

After the inclining experiment is complete and lightship values approved, the Contractor shall update this analysis with final weights and centers of gravity. The Contractor shall be responsible for submitting the updated analysis to the COR for review and approval prior to sea trials.

B. LOADING CONDITIONS

See Section C150 above for the loading conditions to be evaluated.

C180 NOISE & VIBRATION

The noise in the pilothouse shall not exceed 65 dB with the engines operating at full power. The Contractor shall demonstrate this successfully to the Government prior to delivery.

C185 TESTS & TRIALS

In the presence of an authorized representative of the COR, the Contractor shall perform the following tests at their facility:

1. Propulsion Engines:

a. Starting and stopping

b. Operation of all emergency stops

c. All engine controls and instrumentation

d. Operation of all engine alarms

e. Meeting or exceeding of engine speed requirements

2. Port and Starboard Cranes:

a. Starting and stopping

b. Operation of all emergency stops

c. All crane controls and instrumentation

d. Operation of all crane alarms

e. Meeting or exceeding of crane lift requirements per Section C455

3. Forward A-Frame Crane:

a. Starting and stopping

b. Operation of all emergency stops

c. All crane controls and instrumentation

d. Operation of all crane alarms

e. Meeting or exceeding of crane lift requirements per Section C455

4. Fuel System:

a. The Contractor shall provide all fuel necessary to conduct the tests at the Contractor’s facility.

b. Demonstrate ability for the fuel to supply and return fuel from the propulsion engines and any equipment using the fuel.

5. Structural:

a. Demonstrate all structural material has been installed correctly

6. Electrical:

a. Operation of all lights

b. Operation of all receptacles

c. Confirm no ground faults in vessel

7. Ramp:

a. Operation of loading ramp

The Contractor shall provide a testing plan to the COR for review and approval 60 days prior to the scheduled testing. This plan shall include items required to be recorded during the test, and shall include an area for the Contractor and the Government to sign as witnesses. The Contractor shall provide scanned versions of all completed testing to the COR within 30 days of completion of testing.

In the presence of an authorized representative of the COR, the Contractor shall demonstrate the operation of each of the following systems at the Government’s facility after delivery:

1. Propulsion Engines including verifying the speed of the vessels

2. Port and Starboard Cranes

3. Forward A-Frame Crane

4. Fuel System

5. Electrical

6. Ramp

C200 ARRANGEMENTS

C215 GENERAL ARRANGEMENTS

A. GENERAL

The vessel arrangements shall consist of a hull and pilothouse. This shall also include a loading ramp on the forward rake, two (2) cranes on the outboard sides of the deck, and one (1) A-Frame crane on the forward end. Cranes shall be provided in accordance with Section C455 of the contract. The main deck shall be rated for a cargo capacity of approximately 10,000 pounds distributed over the center of the deck space. This shall be shown in the drawings identified in pounds per square foot (psf) submitted to the COR.

C300 STRUCTURE

C305 HULL STRUCTURE

A. GENERAL REQUIREMENTS

The hull shall be of all welded aluminum construction and divided into watertight compartments as required to meet stability requirements. All aluminum (plate and stiffeners) in the hull shall be 5000 series aluminum material.

No welded 6000 series aluminum shall be used. 6000 series aluminum may be used if required welding is accomplished by Friction Stir Welding.

Hull scantlings shall meet the minimum requirements stated in the ISO Rules referenced in Clause C003.

All welding and weld sizes shall be in accordance with the applicable standards of ISO.

B. PLATING

All seams shall be connected with full penetration butt welds.

Seams shall not be aligned directly over bulkhead plating or over the webs of stiffeners and transverses.

C. BULKHEADS

The hull shall be fitted with transverse watertight bulkheads.

Bulkhead plating shall be welded to the deck, sides and bottom plating in accordance with the ISO Rules referenced in Clause C003.

When penetrations are made in watertight bulkheads, shell or deck, the plating shall be restored to watertight condition in accordance with the ISO Rules referenced in Clause C003.

D. INSERT PLATES

All deck fittings and deck equipment shall be mounted on 1 inch insert plates welded continuously to the deck with headers or brackets below. All insert plates shall be welded to the deck plate with continuous, filler perimeter welds and slot welds.

E. OVERBOARD DISCHARGES

All overboard discharge openings through the shell plating shall be located at least 12-inches above the full load waterline, unless otherwise stated in this specification.

Shut-off valves shall be provided at all discharge locations.

Openings shall be located well clear of draft marks and other hull markings.

C320 TANKS

One fuel tank shall be provided. Tank capacity shall be between 150-300 gallons. The tank shall be welded aluminum construction and independent of the hull sides and bottom.

A minimum of 18 inches shall be provided between the fuel tank and the hull sides and bottom.

Tank shall be complete with cleanout manhole, filling connection, sounding tube, vent, and all necessary connecting piping, pilothouse fuel gauge and sensor.

A fuel shutoff valve shall be located at the tank. Shut off valve actuation shall be outside the tank compartment.

Tanks shall be constructed in accordance with ABYC Standard H-24.

The Contractor shall provide and install a Tank Level Alarm system powered by the DC system for use with the fuel tank. The alarms shall include a low alarm, low-low alarm, high alarm, and a high-high alarm.

The Contractor shall provide and install a monitoring panel with audible and visual alarms located in the pilothouse.

All alarms shall be capable of being silenced at the pilothouse.

C330 FOUNDATIONS

A. GENERAL

Suitable foundations shall be provided under all units of equipment, machinery, tanks, deck fittings, cranes, and other heavy concentrations of weight in order to properly mount the item, to distribute the loads to the structure, and to avoid undue stresses and vibrations in the hull.

Foundations shall be fabricated from structural aluminum shapes and plates. Foundation members shall be lightened and openings provided to permit access to all parts of the foundation for inspection, drainage, and maintenance. Web plates of foundations shall be stiffened at holding-down bolts and other points of load concentration.

All foundation corners shall be ground smooth.

B. ENGINE & REDUCTION GEAR FOUNDATIONS

Engine and gear foundation mounts shall be configured in accordance with the manufacturer’s recommendations.

The threaded portion of the bolts shall be clear of the foundation or equipment pads, and heavy flat and lock washers used under all nuts. Elastic stop nuts may be substituted for lock washers.

For the main engines and gears, the area between the engine girders, shall be made oil-tight to trap any oil that may drip from the engine.

A sump shall be fabricated around the seal on each shaft to contain any water that seeps into through the shaft and stern tube.

C400 OUTFIT

C404 CORROSION PREVENTION

The choice of materials, the fabrication procedures, and the coating systems to be used in the fabrication of the vessel, shall indicate that careful consideration was given by the 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 Contractor shall provide and install weld-on type aluminum anodes for the hull. Anode size, number, and locations shall be provided to the COR for approval. The anodes shall be manufactured and certified in accordance with MIL-SPEC MIL-A-24779.

C406 COATING SYSTEM

A Foul Release antifouling coating similar to Intersleek 900, shall be provided on the hull, up to 6 inches above the full load waterline.

Propulsion equipment shall be provided with manufacturer approved antifouling coatings on their interiors and submerged exteriors. All antifouling shall be black.

For exterior decks (including pilothouse roof), exterior steps, and the landing platforms on the outboard ladders the following coatings shall be used:

A Two-Part Polyurethane similar to Interlux Brightside shall be applied as a base coat with non-skid garnet additive size #24 aluminum oxide grit. The amount of non-skid additive applied shall not be less than 0.3 lb per square foot.

A One-Part Polyurethane similar to Interlux Brightside shall be applied as a top coat. Coatings shall be Teflon Kingston Gray color.

C410 HULL OUTFIT & FITTINGS

A. BULWARKS

Bulwarks shall be provided on the aft and the outboard sides of the vessel. On the forward end of the vessel the bulwark shall wrap around the corners and shall connect to the forward loading ramp. The loading ramp shall be provided in accordance with the specifications in Section C410.B. Bulwarks shall extend 39-inches above deck and be sized to withstand a 200 pound load applied horizontally at the top of the bulwark.

B. LOADING RAMP

The Contractor shall provide a loading ramp on the forward end of each vessel sized for personnel to enter and exit the vessel. This ramp shall be 12 feet in length and shall be at minimum 9 feet wide. The ramp will not be used for transport of vehicles, and shall be designed to raise and lower itself either with hydraulics or winches. The Contractor shall assume that the ramp will be supported on the opposite end by the ground or dock.

C415 DOORS, WINDOWS, HATCHES & MANHOLES

The Contractor shall provide and install doors, windows, hatches, and manholes per the following specifications.

All hatch and manhole openings shall be provided with headers as necessary to transfer the hull and local structural stresses around the openings. All hatches and manholes shall be supplied with gaskets suitable for its intended service or the liquid contained in their respective tanks.

B. HATCHES & MANHOLES

The Contractor shall supply and install hatches in order to provide access to, and emergency egress from, any below deck machinery spaces. Hatches shall be shall be hinged, quick-acting flush hatches made of aluminum with aluminum rings. Each hatch shall include a round bar shaft and an external “T” type handle for opening the hatch from outside of the space as well as an escape hatch handle for opening the hatch from the compartment for emergency egress. The hatches shall be marked on both sides with letters, at least 1-inch high, stating

“EMERGENCY EXIT – KEEP CLEAR.”

The fuel tank shall be provided with a raised, oil-tight with gasket, 12” diameter multi-bolted access hole shall be provided for cleanout.

If additional compartments are required to meet damaged stability, the Contractor shall supply and install a flush mount bolted hatch and vertical ladder for access into the compartment. These spaces shall be marked with a sign stating “Confined Space DANGER Permit Required” that shall be located at each entry to each space.

C. WEATHERTIGHT DOORS

The Contractor shall install two (2) standard marine aluminum weather-tight lockable doors, one on either side of the pilothouse. All doors shall be equipped with lever style handles inside and outside, door stops, and a positive means to secure them in both the open and closed positions.

All doors shall be fitted with a vertical sliding safety glass window.

All exterior doors shall have a flat bar or other device to shield the top of the door from rainwater.

Doors shall be mounted on 6” high sills.

D. WINDOWS

All windows shall be ¼-inch safety glass. All windows shall be of the same manufacturer and construction to provide consistent styling, function and ease of repair. All windows shall be supplied with radius corners.

Windows shall be provided in the pilothouse to provide good visibility on all sides of the pilothouse. The pilothouse forward window shall be raked forward at the top. All windows shall be horizontal slide.

Pilothouse forward windows shall be provided with marine wipers.

C420 DECK FITTINGS

The Contractor shall provide and install eight (8) 12” aluminum kevels. Kevels shall be located on the corners of the vessel, and at the quarter points along the port and starboard sides of the deck.

The Contractor shall provide and install two (2) roller chocks on the vessel. Roller chocks shall be located on either side of the deck around mid-ship. Location shall be approved by the COR’s representative during Phase II.

C427 LADDERS

A. REMOVABLE LADDER

The Contractor shall provide and install a removable ladder for diving operations onto the vessel. There shall be connections for the removable ladder on either side of the deck. The ladder shall have a landing area for divers to stand and place equipment. The designs for the ladder shall be provided to the COR for review and approval.

The ladder shall be constructed and installed in accordance with EM385-1-1.

B. VERTICAL LADDERS

Vertical ladders or individual rungs, as appropriate, shall be installed at all hatches. All vertical ladders shall be removable, except for individual rungs welded to the structure. All vertical ladders shall have non-skid tape applied on the top sides of the ladder rungs.

Where ladders are required on bulkheads, they may be separate rungs of ¾ inch square bar set on edge welded to the structure. Where not extended from side to side of adjacent structure, these rungs shall be stirrup shaped to prevent slipping endwise. Rungs shall be a minimum of 18 inches wide with 7” inches toe room minimum.

C436 INSULATION

The Contractor shall provide and install insulation in the deckhouse. The insulation shall meet the requirements specified in this section.

All insulation shall provide structural fire protection for a minimum fire rating as required by 46 CFR 72. The Contractor shall provide and install fiberglass marine hullboard insulation in the pilothouse. The insulation shall be provided in 3-lbs/ft3 or 6-lbs/ft3 densities. The insulation shall be suitable for workboat service, anticipating high levels of dampness and vibration, temperature extremes, similar to Claremont Claretex N3A unfaced hullboard and Claremont Claretex Tuff-Skin 1613 scrim reinforced mylar damage resistant material hullboard.

Installation shall be in accordance with the manufacturer’s recommendations for the intended service. However, as a minimum, the mounting studs shall be welded to bulkhead/overhead structure. Adhesive mounting is not acceptable.

Appropriate structural capping shall be provided where the termination of the insulation is “open.”

C445 LIFESAVING & SAFETY

The following lifesaving equipment shall be provided and installed:

• (2) 24-inch USCG approved orange Ring Buoys with water light, lifeline, and lifeline bag. Ring Buoys shall be marked in block capital letters with the vessel name.

• Smoke and CO detectors in pilothouse.

• Man overboard/First Aid/Medevac IIA Break-Apart Litter Locker.

• USCG approved life jackets with Type I retro-reflective material, lifejacket light, and whistle for 4 personnel. Life Jackets shall be marked in block capital letters with the vessel name.

• (1) First Aid Kit meeting requirements of EM-385 Table 3-1.

• (2) Fire Extinguishers in the pilothouse near the exit. Extinguishers shall either be 11 pound Carbon

Dioxide or 11 pound Dry Chemical extinguishers.

The Contractor shall develop a drawing showing the locations of all safety equipment.

C455 DECK CRANES AND A-FRAME CRANE

The Contractor shall provide and install the following cranes on the vessel:

• Two (2) aluminum electric deck cranes on the port and starboard sides of the vessel (total of two cranes).

Each crane shall be capable of lifting approximately 4000 pounds at an outreach of 10 feet outboard.

Cranes will be used for the retrieval and deployment of USACE buoys.

• One (1) A-Frame crane located on the forward end of the vessel. Crane shall be aluminum, and shall be either electric-hydraulic or hydraulic. This crane shall be capable of lifting approximately 3000 pounds at an outreach of 10-15 feet forward. Crane will be used for the retrieval and deployment of USACE buoys.

Cranes shall be designed for performing the above lifts regardless of environmental and out of level limits. The Contractor shall develop a Naval Architecture Analysis (NAAs) for all cranes, ensuring the above lifts can be performed without exceeding the out of level limits for each crane when generating the maximum heeling moments.

Cranes shall be individually stable. NAAs shall be verified by a PE stamp.

C460 NAMEPLATES, NOTICES & MARKINGS

A. REFERENCE DRAWINGS

611-D460-02 COMMUNICATIONS MARK

793-D460-01 HULL MARKINGS

B. GENERAL REQUIREMENTS

The Contractor shall furnish and install hull & draft markings, name boards, and stack insignia (USACE Castle).

Reference Drawing No. 793-D460-01 is provided for general guidance to identify typical hull markings for a previous vessel.

C. VESSEL DRAFT MARKS

Draft marks of raised Arabic type numerals, 6 inches in vertical height and cut from ¼ inch aluminum plate, shall be continuously welded to the shell plating. The draft numbers shall be located on the port and starboard sides of the vessel. The draft marks shall be measured from the underside of the bottom plating projected to the bottom of the numerals. The bottom of the figures shall correspond to multiples of 1 foot of draft. The COR shall confirm the final location of the draft marks prior to installation.

D. NOTICES & MARKINGS

The title U.S. ARMY CORPS OF ENGINEERS in Gothic letters 4-inches high shall be cut from ¼-inch plate and continuously welded to the forward main deck bulwark on the port and starboard sides.

The VESSEL NAME, in Gothic letters 6-inches high shall be cut from ¼-inch plate and shall be centered and seal-welded on the stern of the vessel, main deck bulwark, on centerline.

The hailing port names identified below shall be provided in Gothic letters 4-inches high shall be cut from ¼-inch plate shall be centered and seal-welded on the stern of the vessel, main deck bulwark on centerline. There shall be a 2 ½-inch space between the vessel name and the first line of this title.

Hailing ports shall be as follows:

• First vessel shall be EMSWORTH

• Second vessel shall be ALLEGHENY RIVER

• Third OPTIONAL vessel shall be DASHIELDS

The Contracting Officer's Representative shall approve the exact locations of the hull markings prior to installation.

E. NAME BOARDS

The name of the work boat shall be displayed on name boards, the locations shall be approved by the COR prior to installation.

Name boards shall be made of aluminum with 6” black vinyl lettering.

F. INSIGNIA

Two (2) Corps of Engineers “Communications Mark” devices shall be fabricated and on either side of the pilothouse. This Communication Mark is detailed in Reference Drawing No. 611-D460-02. The Contractor shall adjust the scale of the drawing as appropriate for the location, while maintaining relative proportion.

The castle and border of the insignia and the base plate shall be made of stainless steel plate, 3/8-inch thick and the castle and border shall be attached to the base plate with 3-inch long stainless steel standoffs. The base plate shall be the background for the Communication Mark and shall be coated with red urethane paint. Both sides of the base plate shall be coated with millage equal to that applied to the pilothouse exterior. Exact locations shall be approved by the COR prior to installation. The edges of the plates shall be furnished true and smooth with no burrs.

C600 MACHINERY

C602 PROPULSION SYSTEM

The Contractor shall provide and install twin 4 stroke outboard motors. The horse power of the motors shall be sized for a design speed of 35 miles per hour in standard conditions. The motors shall also be capable of withstanding currents that exceed five miles per hour. The outboard shall provide counter rotating propellers made of aluminum.

The Contractor shall install the engines and accessories on the vessels, and provide and install all other equipment required to make the engines fully functional for the propulsion of the vessels.

The Contractor shall retain the services of their local engine manufacturer authorized service center to inspect and approve the installation as required for full engine warranty.

An outboard protection bar shall be provided and installed to protect the outboards while docking and during towing.

The Contractor shall develop a drawing of the details and arrangements of the propulsion system and its controls.

The drawing shall be submitted for review and approval by the COR during Phase I of the contract.

The Contractor shall also provide a performance prediction estimate during Phase I to the COR for review and approval.

B. EXTENDED WARRANTY

Extended warranty shall be provided for the engines.

The combination of standard warranty and extended warranty for the engines shall provide warranty coverage for a total of 5 years after delivery of the vessels to the Government.

C630 FUEL SYSTEM

A minimum of 300 gallons of fuel tank capacity shell be provided for the outboard engines. The fuel tank shall be designed for use with the type of fuel required for the outboard engines. For gasoline this shall be ABYC H-24:

Gasoline Fuel Systems.

Fuel tanks shall be completely independent of the hull bottom, and the hull inboard and outboard sides. There shall be a minimum of 12 in between the tank and hull bottom and sides.

All tanks shall be fitted with remote digital read out tank level indication, with the level display at the operator's station.

Tank capacity tables shall be provided for the fuel tanks.

Fuel tanks shall have low point drains along with clean out access into the tanks. The low point drains shall enable the removal of all condensate from the tanks.

Fuel tank fills and vents shall be located at the house after bulkhead. Fuel tank vents shall be fitted with goosenecks which shall be a minimum of 30 in above the main deck. Containment with a lockable rain proof enclosure shall be provided around the fill station. Fill piping shall be aligned with the tanks to allow expedited fuel fill.

Fuel fill piping shall be sized to accommodate 1.25” ID nozzles.

The Contractor shall provide and install emergency shut-off valve around the fill station.

All decks, overheads, and bulkheads, serving as fuel oil tank boundaries shall indicate the tank boundary with contrasting paint and be labeled “FUEL TANK – NO HOT WORK.”

C660 BILGE SYSTEM

Each hull watertight compartment and each outboard motor platform watertight compartment shall be provided with a self-priming 12 volt DC bilge pump and a bilge alarm.

The hull bilge pump overboard discharge lines shall be looped with the loop extending as high as possible under the bulwarks.

The outboard platform bilge pump lines shall be routed to pipe verticals against the bulwark. The pipe ID shall be at least equal to the pump discharge ID.

Bilge pumps shall be 12 volt DC. Minimum bilge pump rated capacity shall be 1500 GPH at 3 foot discharge head.

Bilge pumps shall be configured to allow either automatic or manual operation. The switch controls for each bilge pump shall be located at the operator's station. The bilge pump controls shall allow operator selection of either automatic or manual operation.

Each hull compartment shall also be provided with an individual bilge level alarm, separate from the bilge pumps.

The compartment alarm indications shall be located at the operator's station.

C670 VENTS, SOUNDS, OVERFLOWS & FILLS

The Contractor shall provide a vent pipe, fuel fill, and sounding tube with the fuel tank.

Each vent shall terminate by way of a return bend or be the vertical vent check valve type.

Sounding tubes shall be provided and installed for the fuel tank. Each sounding tube shall be run as straight as practical and shall be of the flush mount type, with tee wrench to open, except as noted in individual system specifications. The sounding tubes shall be provided with striker plates. Two sounding tapes shall be provided with the vessel.

System fill connections shall be provided and installed for the fuel tank

C685 HVAC SYSTEM

Each vessel shall be equipped with an HVAC system in the pilothouse. The system shall be designed in accordance with ASHRAE temperature standards.

The heating and cooling system shall be capable of maintaining the following temperatures with outside temperatures as noted:

Pilothouse Cooling: 75 deg. F Pilothouse Heating: 70 deg. F

Outside Temperature (Winter): 6 deg. F Outside Temperature (Summer) 93 deg. F

The system shall be sized in accordance with SNAME T&R Bulletin Nos. 4-7 and 4-16, and from ASHRAE Cooling & Heating Load Calculation Manual Temperature criteria.

The pilothouse shall be furnished with a dedicated HVAC unit with the following features:

• Straight cooling system with supplemental electric heat.

• Ability to add outside fresh air.

• The space shall be fitted with its own air handler/evaporator unit with thermostatic control mounted on the unit and multiple fan speed.

The Contractor shall install the manufacturer’s standard insulation and sheathing in the pilothouse such that when it is combined with the heating and cooling provided by the unit identified above, the system is sufficient to meet the heating and cooling requirements of this section.

C700 ELECTRICAL

C701 GENERAL REQUIREMENTS

The Electrical Power System shall provide power for all of the vessel’s electrical equipment. The system shall consist of an AC section and a DC section. The design, construction and installation of all system components shall be suitable for inland and coastal marine service and the intended application. All system components shall be furnished new and unused.

All machinery, equipment, materials and installation shall be in accordance with all applicable sections of the codes, rules, and standards cited in Contract Clause C003. All the equipment furnished shall bear the approval of the Underwriters Laboratories, where applicable. Contract references to specific sections of codes, rules and standards in these specifications are intended to emphasize specific salient items.

All controllers and equipment indicators shall be installed in weathertight enclosures, unless otherwise required in the specification.

Equipment shall be located and oriented as conveniently as practicable for operation and maintenance. All equipment shall be accessible for removal, servicing and adjustment without dismounting or removal of other equipment.

Equipment shall be treated to provide protection against corrosion, moisture, mold, and other destructive agents to which the equipment may be exposed.

All panels, switchgear, relays, contactors, circuit breakers, motor starters, receptacles, etc., shall be similar to those manufactured by Square D.

The Contractor shall provide a grounding conductor for all installed electrical equipment (AC & DC) and shall be grounded to isolation ground bus at each panel. Connections shall be made from the isolation ground bus of the distribution panels back to the isolation ground bus in the switchboard. Grounding shall then be made to the diesel engine terminal. The switchboard frame shall be grounded to the vessel structure.

The conductivity of connections shall not be less than the conductivity of the connected cable. All bolts, screws, nuts, and washers shall be made of corrosion-resistant metal of adequate size for their functions. Lock washers or equivalent shall be used to prevent loosening of bolted connections throughout the electrical system.

All electrical equipment shall be provided with standard label plates indicating manufacturer, model number, and electrical characteristics (operating voltage, phase, amperage, etc.). The nameplates, serial number plates, identification tags, etc. that are installed on the equipment shall remain in place on the equipment as furnished by suppliers. The Contractor shall use caution during construction to not damage or paint over nameplates or tags.

Damaged nameplates or tags shall be replaced prior to Final Acceptance.

The Contractor shall install identification labels for all equipment. All nameplates and notices shall be stamped or engraved on brass or plastic plates. See Contract Clause C460.

All distribution panels shall be labeled with designation plates. All breakers in the distribution panels shall be numbered and the panel identification cards filled out to identify the breaker’s service. See USCG, 46 CFR, subchapter J, paragraph 111.40-11.

All receptacles shall be labeled with the supplying panel designator…