W912BU18B0016_Amendment_0004.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83)

Prescribed by GSA

FAR (48 CFR) 53.243

The purpose of this amendment is to:

1. Provide questions and answ ers as of 18 Sep.

2. Modify section C based on questions and answ ers.

All other terms and conditions shall remain unchanged.

1. CONTRACT ID CODE PAGE OF PAGES

1 36

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

16C. DATE SIGNED

BY 18-Sep-2018

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912BU18B0016

X 9B. DATED (SEE ITEM 11)

13-Aug-2018

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

18-Sep-2018

CODE

US ARMY ENGINEER DISTRICT, PHILADELPHIA

CONTRACTING DIVISION

WANAMAKER BUILDING

100 PENN SQUARE EAST

PHILADELPHIA PA 19107-3390

W912BU 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912BU18B0016

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

AMENDMENT 0004

Questions and Answers 18 September 2018

1. In the QA section of amendment 2, under question 8 when asked the minimum A-Frame lifting capacity? The answer was A- frame (C455(A)) as deleted. However under amendment 3 C455 (A) remains in the specification, can you clarify if the A frame is still required or deleted as per amendment 2?

Answer 1: The A-frame requirement stands as deleted.

2. Please provide definition of Depth listed under C105 A. Principal Characteristics.

Answer 2: 7 Feet

3. Bid, Performance and Payment Bonds – The requirement for a Bid and Performance and Payment Bond is not a requirement we typically see on a project of this nature. This will increase cost, please confirm this is a requirement.

Answer 3: Bid, Performance, and Payment bonds are required as indicated in the solicitation.

SECTION C - DESCRIPTIONS AND SPECIFICATIONS

The following have been modified:

SCOPE OF WORKK

C000 GENERAL

C001 MISSION STATEMENT

The Savannah District (hereafter referred to as SAS) of the US Army Corps of Engineers is charged with maintaining navigable waterways in the Savannah River and the coastal area, up to 20

Nautical Miles (NM) off shore. In support of this mission, SAS has contracted the USACE Marine

Design Center (hereafter referred to as MDC) to assist in the design and construction of two (2) aluminum catamaran, outboard motor powered, hydrographic survey vessels.

The vessels constructed under this contract shall be identical and satisfy all of the specification and performance requirements.

C002 PRINCIPAL CHARACTERISTICS

These vessels will be hauled in/out of the water with trailers at the service base facility.

C003 DESIGN REQUIREMENTS

A. ENVIRONMENTAL CRITERIA

The vessels shall be operated in both open salt water, up to approximately 20 NM off shore and in shallow water in the Savannah River, 6 knots of current. The vessel’s systems shall be designed to operate in temperatures ranging from a maximum 100°F dry bulb and 79°F wet bulb to a minimum of 15°F dry bulb.

B. DESIGN STANDARDS

The vessels shall be designed and constructed in accordance with the specifications, and 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 into the vessels any revisions to the rules and regulations listed below as well as those stipulated in the respective specification clauses.

High Speed Craft Rules from one of the IACS Classification Societies (note that the selected Classification Society rules shall become a contract design requirement)

American Bureau of Shipping (ABS) “Guide for Shipbuilding and Repair Quality Standard for Hull Structures During Construction”

ISO International Standard 15085 - “Small Craft – Man-Overboard Prevention and

Recovery”

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.

Intact stability requirements of 46 CFR 170.173 for open ocean operations

Damage stability subdivision requirements of 46 CFR 171.070, Type II

46 CFR Part 28, 28.560 “Watertight and weathertight integrity”

46 CFR Part 28, 28.575 “Severe wind and roll”, for other than protected waters

46 CFR, Subchapter J – Electrical Engineering

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

U.S. Army Corps of Engineers, Publication No. EM 385-1-1 (2014), “Safety and Health

Requirements Manual.”

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) E-11 AC and DC Electrical System On Boats

C005 VESSELS IDENTIFICATION

Each vessel to be acquired through this solicitation has been assigned the following names and

Marine Design Center project number:

MDC Project Number MDC Hull Number Vessels Name

853 TBD

854 TBD

C006 SCOPE OF WORK

A. CONTRACT PHASES

The contract consists of two phases:

Phase I .......... Planning, Scheduling and Engineering

Phase II.......................... Construct, Test and Deliver

During the Planning, Engineering and Scheduling Phase of the Contract, the Contractor shall prepare a “Final” Design of the vessels. The Final Design shall be based on this specification.

During the Construction Phase of the Contract, the Contractor shall construct the vessels, prepare

“As-Built” drawings of the vessels, and test and deliver the vessels.

During all phases of this contract, the Contractor is authorized to use the services of Subcontractors performing under their direction and supervision; however, the Contractor shall assume the full responsibility for the Subcontractors’ work.

B. CONTRACT INTENT

This specification contains the requirements for the construction of two small survey vessels and describes the essential features, functions, and arrangements of the design.

These specifications provide the Contractor with enough information to bid on the solicitation and develop a final design for construction.

C. DESIGN AND PERFORMANCE VERIFICATION

Design and performance verification is required prior to construction in order to manage the

Government’s risk.

The contractor shall provide design technical information and performance information for the purpose of design and performance verification. The contractor shall provide the following vessel designs and performance information to the Government for review:

General arrangements of hold, deck, deckhouse and house top

Hull lines plans

Construction Weights and CG estimates including weight and CG margins

Vessel smooth water performance prediction at full load condition, including weight and

CG margins, from 20% propulsion power to 100 % propulsion power, in 10% power increments

Vessel damage and intact stability calculations

Vessel structural calculations at the contract required design speed and wave height, including comparison to the specific regulatory rules applied.

The vessel designs and performance information provided shall comply with the specification requirements of this contract. The vessel designs and performance information as presented in the above required information shall become contract requirements.

D. CONTRACTOR’S RESPONSIBILITY

The Contractor assumes complete responsibility for designing, engineering and constructing the vessels to meet the intent and requirements of this contract. Should the Contractor determine at any time that they are unable to fulfill those design responsibilities, they shall notify the COR immediately of the problem experienced and their proposed manner of correction.

E. DRAWINGS PROVIDED & REQUIRED

Clause H12 contains a list with the minimum drawings required to be developed during the planning, engineering and scheduling phase of the contract in order to complete the final design.

The requirements for developing the final design drawings are delineated in Section H, Clause

H03, Design Requirements, with any specific requirements for structural, mechanical or electrical changes defined in their relevant contract clauses.

The contractor shall be required to provide a complete “As-Built” record of the vessels.

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. Refer to clause E03.

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

USACE – Acronym for United States Army Corps of Engineers.

ABS – American Bureau of Shipping.

USCG – United State Coast Guard.

SNAME – Society of Naval Architects and Marine Engineers

C025 CONTRACTOR QUALITY STANDARDS

A. GENERAL

The Contractor shall be responsible for the design and construction of a complete and functioning vessels (2).

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 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 on the contract drawings, all structural hull material shall be in accordance with the following specifications:

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

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 the Friction

Stir Welding process in accordance with the ABS Guide for The Approval of Friction

Stir Welding in Aluminum.

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 coastal surveying applications and meet the latest requirements of standard specifications published by National Agencies. No salvaged materials shall be used in the work.

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 castings 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 another 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 listed of certified welders shall be submitted during Phase I of the contract. The list shall include the employee’s name, certification(s) and date(s) of the most recent tests for each certification(s).

The Contractor shall require any welder to repeat these tests when in the opinion of the COR, the work of the welder indicates a reasonable doubt of their proficiency. In such cases the welder shall be re-certified as above if they successfully passed the retest; otherwise, they shall be disqualified until they have 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 their 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.

H. PLATE FAIRNESS

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

Maximum allowable plating distortion shall be as per the IACS standards.

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 this specification 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 vessels.

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.

C100 SCIENTIFIC

GENERAL

The two boats are a sister vessels which are exactly the same with dimensions and specifications.

Thus one design, naval architecture and tests in the Clause C100 Scientific shall applied to both vessels.

C105 HULL GEOMETRY

A. PRINCIPAL CHARACTERISTICS

The vessels shall be Multi-hull (catamaran) survey vessels powered by outboard propulsion engine and designed for year round surveying operations. The principal characteristics for each vessel shall be as follows:

Length Overall ............................................................................... 35' to 37’

Beam (Overall)................................................................................. 13' max.

Depth ............................................................................................ 7’ to 7’-6”

Hull Draft ..................................................................................... 3’-6” max.

Air Draft ..................................................................................... 14’-0” max.

Max. Speed .............................................................................. 35 - 40 Knots

Crew

Each vessel shall be designed such that it will provide a maximum speed between 35 and 40 knots in the full load condition.

The full loaded condition is defined as:

Vessel fully complete and ready for service.

Full gasoline fuel.

3 person crew and effects at 250 pounds total per person.

400 pounds survey gear.

8 life jackets stowed on board, lifesaving & safety equipment as required per C445.

200 pounds of crew supplies, cabin tools, parts and miscellaneous gear.

The freeboard shall be suitable for open ocean operation.

The vessels shall have a flat single-level main deck.

C115 WEIGHT ESTIMATE

A. WEIGHT & CENTERS OF GRAVITY CONTROL & MONITORING

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

During Phase I, the Contractor shall develop a weight and centers of gravity estimate with details on the final equipment selected and purchased, and system/outfitting design developments.

During Phase II, the Contractor shall update the weight and CG estimate (853-C115-01) to reflect the as-built condition. The update shall reflect actual equipment location, quantity and location of piping and wiring runs, actual quantity and location of outfitting items, and any changes to the structural weight.

B. INCLINING AND DEADWEIGHT SURVEY

Upon completion of all work, and with the vessels in the lightship condition, the Contractor shall conduct an inclining test and deadweight survey on one of the boats. The inclining test shall be carried out in accordance with ASTM F 1321-14. The Contractor shall be responsible for providing all inclining weights, pendulum setups, support equipment and personnel at his own expense. The Contractor shall direct the inclining experiment, record all data and complete the inclining test report.

Under the precondition that the two survey boats are exactly the same sister boats, the incline test is required only once.

C. SUBMITTALS

The Contractor shall prepare the weight estimate during Phase I of the contract and submit them shall be submitted as drawing 853-C115-01 Weight Estimate.

The contractor shall notify the COR ten (10) business days prior to the inclining experiment. The experiment results shall be submitted as drawing 853-C115-02 Incline Experiment Results.

C120 PERFORMANCE PREDICTION

The Contractor shall submit a vessel smooth water performance prediction at full load condition, including weight and center of gravity margins. This prediction shall be completed from 20% propulsion power to 100% propulsion power in 10% increments.

C125 HYDROSTATICS

The Contractor shall prepare hydrostatics and curves of form at 3” draft increments.

The Contractor shall prepare the above documents during Phase I of the contract and submit them to the COR as 853-C125-01 Hydrostatics and Curves.

C150 DAMAGED STABILITY

A. DAMAGE STABILITY

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

46 CFR 171.070, Type II

46 CFR Part 28, 28.560 “Watertight and weathertight integrity”

46 CFR Part 28, 28.575 “Severe wind and roll” for other than protected waters

The following loading conditions shall be considered for all trim, intact and damage stability calculations.

Lightship Condition

Arrival Condition (Burnt Out) – Crew & Effects and 10% Fuel

Departure Condition (Full Load) – Crew & Effects and 98% Fuel

The vessels shall conform to single-compartment damage stability. The righting arm criteria satisfy the following:

46 CFR 28.580 – Unintentional Flooding, Survival Conditions

(1) Angle of equilibrium after flooding does not exceed 25°;

(2) Through an angle of 20 deg. beyond the angle of equilibrium after flooding, the following are met:

(i) The righting arm curve is positive;

(ii) The maximum righting arm is at least 4-inches;

(iii) Each submerged opening is capable of being made weathertight.

B. SUBMITTAL

them to the COR as 853-C150-01 Damage Stability Booklet.

C155 TRIM & STABILITY BOOKLET

A. INTACT STABILITY

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

Sufficient propeller immersion to maintain full thrust.

No trim by bow for any condition.

The intact stability criteria for this vessels are:

46 CFR 170.173 – for open ocean operation

The following loading conditions shall be evaluated for all trim, intact and damage stability calculations.

Lightship Condition

Arrival Condition (Burnt Out) – Crew & Effects and 10% Fuel

Departure Condition (Full Load) – Crew & Effects and 98% Fuel

B. SUBMITTAL

them to the COR as 853-C155-01 Trim & Stability Booklet.

C170 DRY DOCKING - TRAILER

A trailer shall be provided for each boat. The trailers shall be either two or three axle, depending on the required trailer load rating for the boats. The trailers frame shall be galvanized steel or aluminum. The trailers are not intended for routine over the road travel.

The trailers shall be bunk type. Bunks shall be aligned to the boats longitudinal and shall be faced with both demi hulls and under deck. The bunk system shall be configured such that there are no bunks under the transducer area.

The trailers shall be provided with the following features:

Bunks as described above.

Upright hull guides.

Manual winch sized for the boat trailers loading line pull.

Greasing hubs on all wheels.

Access foot ramp down the length of the trailer.

Heavy duty tongue jack, rated 2000 pounds minimum, with articulated foot plate.

The trailers will be used for launching, retrieving and storing the boats in the facility.

The vessel hull design shall also be suitable for lifting with Travel Lift type slings. Sling lift locations shall be marked in weld bead on the hull sides at the water line.

C185 TEST & TRIALS

The vessels and their component parts shall undergo tests and trials in accordance with Section E, Clause E05, Tests, Trials, & Demonstrations.

C200 ARRANGEMENTS

C215 GENERAL ARRANGEMENTS

A. MAIN DECK

1. DECKHOUSE

Deckhouse shall be single level with starboard side each boat control station and single survey station on the port side in the cabin. The configuration of the deckhouse shall provide the best practical 360 degree visibility from the operator’s station.

One survey station shall be provided, on the port side of the deckhouse. Survey desk shall be next to the boat control station which is located on starboard side. The survey station shall have one seat, forward facing.

One survey transducer well shall be provided for single-beam surveying. The well shall have a ¾”

Lexan cover, fair with the hull. Details of the transducer well can be found in C470.

A bench style table with 2 seats shall be provided aft of surveyor seat. Each seat shall be sized for

2 persons.

2. AFT DECK

The deck area shall be minimum 10’ length for considering a working deck area. The deck area shall be provided with a combination of railings and bulwarks. These shall meet the requirements of:

ISO International Standard 15085 - “Small Craft – Man-Overboard Prevention and Recovery”

Secondary pilot station should be provided aft, port and outside of the house. The secondary station shall include throttle and joysticks.

Aft of deckhouse shall meet the requirements for “quick draining cockpits” set forth in:

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

The draining section for each deckhouse shall not be less than “.05 Vc” as identified in section 7.2 of the ISO standard.

Moon pool shall be provided on the aft of deckhouse. The moon pool shall be provided aft of the deck house with dogged cover.

3. SIDE DECKS

Side decks shall be provided along the cabin sides running from the aft deck to the forward deck.

The deck area on the side decks shall be considered a non-working area.

4. FORWARD DECK

The forward deck area shall be considered a non-working deck area, used only for access to mooring fittings. The forward deck area shall not be provided with railings.

5. OUTBOARD MOTOR PLATFORM

Aft of the hull transom, a full demi hull beam outboard motor mounting platform shall be provided.

The platform may be buoyant or not as the vessel design requires, and shall provide an extension of the demi hull bottom. The outboard mounting platform shall be sized for mounting twin outboards with 25 inch or 30 inch leg length. The engines shall be mounted on hydraulically actuated jacking plates.

The outboard platform configuration and the outboard leg length selection shall be developed to meet the following criteria:

Outboard Transom bracket clear of water with vessel at rest, and the jack plate “down”

Outboard completely clear of the water when fully tilted up, with the jack plate “up”.

No propeller ventilation over full vessel speed range with jack plate at mid travel height, and with 10% fuel capacity on board.

6. BULWARKS

Bulwarks shall be provided around the perimeter of the aft deck where is aft of the deckhouse. The bulwark shall be provided equal perimeter protection with minimum 39 inch height.

7. ANCHOR AND ANCHOR LINE LOCKER

An anchor shall be provided for each vessel and shall include 300 feet of 5/8 inch nylon, three strand lines.

An anchor line locker shall be provided in port side demi hulls. The anchor locker shall be watertight, and separate from the hull compartments. The anchor locker shall include an overboard drain, and a watertight aluminum quick acting access hatch. The anchor locker shall not drain into the hull.

Anchor chocks shall be provided on the bow deck.

B. DECKHOUSE TOP

The deckhouse top will serve as a mounting area for navigation equipment, communication equipment, AC outdoor unit, navigation lights, 12 inch searchlight, horn, auto inflating lifeboat and radar mast, etc.

C. HOLD DECK

Watertight bulkheads shall be provided in the demi hull and Outboard Motor Platform as required to meet damaged stability requirements. Watertight bulkheads shall be welded double continuous both sides to the hull & deck plating.

D. SUBMITTALS

The contractor shall prepare and submit a general arrangement and an outboard profile for the vessels as drawing 853-C215-01 Outboard Profile & General Arrangement during Phase I. The general arrangement shall contain views of the hold, the deck level, and the house top.

C300 STRUCTURE

C305 HULL STRUCTURE

Vessels structure shall be in accordance with high speed craft rules from the selected IACS. The contractor shall identify the design speed in their proposal.

All aluminum plate shall be 5000 series aluminum material. Stiffeners may be either 500 series, or 6000 series aluminum.

The hull structure shall be adequate for the maximum design speed in 3 foot significant wave height.

The hull structure shall also be adequate for loads applied during trailering and lifting with slings.

C317 MASTS

A. MAST

A mast shall be provided as required for navigation lights, limited maneuverability day shapes, US

Flag, and Corps of Engineers Flag. The mast shall incorporate a mounting for the navigation GPS receiver, at the top end of the mast. In addition, the COR will provide a list of antennas to be installed on the house roof for survey equipment during Phase I.

An arrangement of the deckhouse top and mast shall be provided with the general arrangement drawings (853-C215-01).

B. RADAR ARCH & LIGHT BAR

A radar arch & Light Bar shall be provided. The radar scanner, together with (2) Yellow and (2)

Red Strobe lights sized appropriately for a vessels of this size shall be provided and installed. One each of the red and yellow strobe lights shall be installed on each side of the arch. The arch shall be configured so the radar scanner is on centerline, and has no obstructions ahead or to either side.

Additional clear space shall be provided for all equipment in C770.

C400 OUTFIT

C405 CATHODIC PROTECTION

The hull and running gear shall be protected by magnesium anodes. Anode size, number and locations shall be as required for operation in accordance with ABYC recommendations.

C406 COATING SYSTEM

The hull exterior lower surface shall be painted.

The finish coat below the waterline shall be a Foul Release antifouling coating similar to Sherwin

Williams Seaguard, shall be provided, up to 6 inches above the full load waterline.

The paint shall be applied according to manufacturer's directions and shall be applied with sufficient drying time between coats. Any heat-affected or damaged areas shall be cleaned to bare metal and re-coated with the entire system schedule.

The painting shall be done before the vessel is launched.

Thickness applied per coat may not exceed the paint manufacturer's recommended maximum thickness.

Colors shall conform to Federal Standard 595a(3) Colors Identification Numbers.

Color chips (3" x 5") may be procured from the Naval Publications and Forms Center, 5801 Tabor

Road, Philadelphia, PA 19120 (215 697 3321).

The coloring schedule shall be as follows:

AREA COLOR FS595 NUMBER

Hull Exterior ..................................................Black/17038

Hull Markings ................................................Black & White/17038 & 27880

For all exterior decks (including deckhouse roof) a non-skid material as below shall be used:

1. A Two-Part Polyurethane equal 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 equal to

Interlux Brightside shall be applied as a top coat. Coatings shall be Teflon Kingston

Gray color.

OR

2. A commercial available, self-sticking, marine grade material with non-skid characteristics similar to the above.

C410 HULL OUTFIT

A. HULL FENDERING

Two tiers of fendering shall be provided. Fendering shall run around the perimeter of the hull at the main deck as well as one foot above the design full load waterline from the cabin doors aft.

Fendering shall also run around the transom. Fendering shall be rubber D-section.

The fendering attachment to the hull shall utilize vertical bolting through upper and lower flat bar, angle or channel fendering mounts. The fendering mounts shall run continuously for the length of the fendering. The fendering mounts shall be double continuously welded to the hull.

Bolts shall be spaced at 12 inch intervals. Bolts and nuts shall be 316 stainless steel. Nuts shall be nylon insert lock nuts. 316 Stainless steel washers and isolator sleeves shall be provided under the bolts and nuts.

The contractor shall provide four (4) portable fenders similar to Easystore Plus 57328 inflatable with rope.

C415 DOORS, WINDOWS, HATCHES & MANHOLES

A. DOORS

Two (2) doors shall be provided and installed in the deckhouse of each vessel as follows:

A side door shall be provided in starboard side. The side door may be either full or half height (upper) depending on exterior deck level. The side door shall slide aft.

A door shall be provided in house after bulkhead.

The aft door shall be able to swing near 180 degrees, unobstructed by handrails or other deck fittings.

The doors shall be able to be positively secured in the open position.

The doors shall be provided with a 6 inch sill. The doors shall be equipped with a window, matching the height of the house windows.

Both doors shall be an aluminum weather-tight and installed locks with keys.

B. WINDOWS & VISIBILITY

The deckhouse configuration shall provide best practical 360 degree visibility from the operator’s station. Windows shall be provided all around the house. Doors shall have windows. No impediments to unobstructed 360 degree visibility may be installed above desk top height.

Windows shall be suitable for open ocean operation. Forward house windows shall rake forward at the top.

Spacing between windows shall be minimized for best all-around visibility. The number of windows across the front of the house shall be limited to preserve visibility.

The windows on the aft of the house shall be as tall as possible. Visibility shall be maximized.

Window frames shall be configured for clamp-in installation, with no fasteners through the external frame surface.

Forward house windows and center aft window shall be electrically heated for defrosting.

All doors shall be provided with windows of equal height to the house windows, and aligned with the windows.

Forward and Aft windows shall not be tinted. Side windows including the side door window shall be tinted to the maximum allowed by regulatory authority.

The forward windows shall each be fitted with heavy duty Linear Marine Wipers similar to Decca.

The wipers shall sweep clear a minimum of 80% of the clear glass window area. The wipers shall be equipped with an automatic glass cleaning function.

There shall be no windows below the main deck level.

C. HATCHES & MANHOLES

Quick acting watertight aluminum hatches, similar to Freeman, shall be provided for deck entry into all hull compartments. Clear openings shall be at least 15 inches x 23 inches.

Each outboard platform compartments shall be provided with a 12 inch clear diameter hatch for inspection and bilge pump access.

C420 DECK FITTINGS

A. CLEATS

The hulls shall be provided with four (4) aluminum welded cleats per side. All cleats shall be 12 inch.

C425 WALKWAYS, RAILINGS & GRATINGS

A. RAILINGS

Substantial grab rails shall be provided on the house top for use when transiting along the side decks.

B. OVERHEAD GRAB BARS

Two rows of longitudinal overhead Grab Bars shall be provided on the deckhouse ceiling. The rows shall be located port & starboard 3 feet in from the house sides. The grab bars shall be of sufficient strength to support a man weighing 300 pounds.

Rails and mounting brackets shall be polished 316 stainless steel. Rail fasteners shall attach to structure in the overhead behind the ceiling, not to the ceiling material.

C427 VERTICAL & INCLINED LADDERS

Deckhouse top shall be accessible via external ladder fabricated from 1 ¼” aluminum square bar rungs on edge and 1 ½” SCH 80 aluminum stringers on 18” centers. Provide returns on the rails at the top, and secure to the deckhouse. Exterior vertical ladder shall have non-skid tape applied to each rung.

C430 DECK COVERINGS & FLOOR SYSTEMS

The deckhouse floor shall be covered with single piece, anti-fatigue floor matting, installed over an acoustic foam underlayment. Edged removable cut outs shall be provided in the matting over each floor hatch.

C436 INSULATION, & SHEATHING

Deckhouse shall be provided thermal and acoustic insulation with welded pin fasteners as required to meet the noise and temperature requirements in this specification.

C437 FURNITURE & FURNISHINGS

A. SURVEY STATION

One forward facing surveyor's station shall be provided. The station shall be on port side of the house. The survey station shall be fitted with a marine shock mitigation seat, similar to Thomas

Scott Seating Helm Chair K4 high back.

A computer shelving rack shall be provided and mounted underneath the survey station. The computer rack shall not impede seating at the survey station. The computer rack shall be located directly aligned with the below deck survey wireway. The computer rack shall be fitted with a

12VDC, 20 amp power supply from the DC system. Additionally, an uninterruptable power supply shall provide for 10 minutes of backup power for all of the government furnished survey equipment located in the computer rack. The rack shall allow access to the backs of the computer equipment.

A list of survey gear to be furnished by the government will be provided after award of the vessels.

B. HELM

The boat operator's station shall be fitted with a single marine shock mitigating seat, similar to

Thomas Scott Seating Helm Chair K4 high back.

C. MULTIPURPOSE TABLE

A bench style table with 2 seats should be provided aft of surveyor seat. Each seat is for 2 persons on forward and aft of the table. The table top shall be high pressure laminate.

C445 LIFESAVING & SAFETY

Lifesaving and safety equipment, listed below shall be provided and shall meet the design and construction standards of Subchapter T.

(2) Type IV throwable 24 inch ring buoys with reflective tape. One of which having a floating waterlight and and 90 feet of attached 3/8 inch lifeline. The ring buoy should be similar in performance to the Sterns I024ORG-00-000 life ring and the lifeline with throw bag be similar in performance to the Stearns I023ORG-00-000. The second 24 inch life ring shall have reflective tape but no life line or waterlight. These 24 inch life rings shall meet the requirements of 46 CFR Part 180 Subpart C 180.70.

A Break-Apart Titanium Litter Locker with Float Kit similar in design/performance to the Medevac IIA Break-Apart Titanium Litter Locker- Models LSC (406-TI) with Float kit LSC (103-TI).

A First aid kit as similar in design/performance to an Adventure Medical Marine Series

1000 Medical Kit.

4 Adult size commercial grade Type V auto-inflating PFD’s with automatically activated lights and reflective tape similar in design/performance to the Mustang HIT Hydrostatic

Inflatable PFD with harness.

4 Adult size Inherently Buoyant Type III Commercial USCG approved PFD with reflective tape and automatically activated lights similar in design/performance to a

Stearns Search and Rescue Life Jacket Model 7911761

A cabin top mounted auto inflating lifeboat with hydrostatic release mounted in a designed cradle similar in design/performance as a Viking RescYou® model lifeboat with hydrostatic release in a stainless steel cradle. Model provided shall be sized for a minimum of four personnel.

C455 DECK CRANES, GANTRIES & HOISTS

A. A-FRAME

1. Frame Swing Actuation System

Davit swing shall be powered by electric linear actuators. The actuator system shall be self-contained, requiring only 120VAC power. The actuator controller shall be mounted adjacent to the davit. The controller shall be waterproof.

Mechanical stops shall be provided to limit the davit swing in both directions, and to take davit applied loads. Davit actuators shall be sized to swing the davit with the towfish suspended. Davit actuators shall not take the davit loads during towfish operation.

The davit Swing Bearings shall utilize stainless steel pins, and non-metallic, lubrication free bearings.

2. Frame Tow Line Working Load

The A-frame working load, when against the fixed stops in the aft position, shall be adequate for the load developed from the breaking strength of the towfish weak link.

The towline load shall be applied from the towline winch in its deck mount, over the towline sheave, and out to the Sonar Pod. The breaking strength load of the towfish from the sheave out to the Sonar Pod shall be applied at the worst case orientation or orientations, in the range from 10 degrees below horizontal to vertical.

3. Frame Towline

The A-Frame shall mount a towline/Power/Data Cable block. The block shall be mounted to a pad-eye on the a-frame using conventional galvanized shackle components. The towline block shall be on centerline.

The block shall be sized for the cable diameter. The block shall be snatch block configuration to allow simple rigging of the tow wire. The block sheave diameter and material shall be in accordance with the side scan sonar manufacturer’s requirements.

The Block and A-frame pad eye shall be rated for the maximum load generated by the towline at its worst orientation in the range from 10 degrees below the horizon to vertical.

The block sheave diameter shall be minimum 10 times the rope diameter and shall be in accordance with the Side Scan Sonar manufacturer.

4. Frame Swing Actuator Load -

The A-Frame forward and aft swing actuators shall be sized to swing the Sonar Pod with rigging weight through the full arc from 4 foot forward of transom to 5 foot aft of transom.

5. Naval Architecture Analysis

The contractor shall retain a registered professional engineer or qualified naval architect competent and experienced in floating load handling equipment to develop and stamp floating service load charts for the A Frame in accordance with Section 16.L of EM385-1-1 and 46 CFR part 28 for side pull from lifting.

B. Davit Crane

A bottom sampling davit shall be provided on the vessel port side, near aft of the deckhouse.

The davit shall have a capacity of 400 pounds at 4 foot radius. Davit maximum hook height shall be no less than 5 feet.

Davit shall be manual slewed, and shall have an auto 12 volt DC winch with open drum.

Mounts for the davit shall be provided no more than 12 inches in from the vessel side.

The contractor shall provide a Naval Architectural Analysis for the davit/hoist in accordance with

Section 16.L of EM385-1-1.

C456 WINDLASS

The Contractor shall provide and install a manual anchor windlass. The windlass shall be sized for the intended anchor, ground tackle, and handling operations. The windlass shall have controls at the main operator’s station and local to the equipment.

C460 DRAFT MARKS & HULL MARKINGS

A. DRAFT MARKS

Draft marks shall be provided at bow and stern using welded plate or weld bead outline numerals.

Draft marks shall be sized to provide 6 inch vertical projected height.

Draft marks shall be painted white.

The contractor shall also install welded stadia draft marks on the port and starboard sides. The stadia draft marks shall conform to the following:

1. Stadia marks shall be graduated in 0.1’ increments by 0.1’ thick lines, typical of a water surface staff gage, starting at zero measured from the face of the transducer and increasing upward.

2. Stadia marks shall be located port and starboard in line with the longitudinal position of the transducer.

3. At minimum, the stadia draft marks shall cover a distance of 1.0’ both above and below the waterline.

B. HULL MARKINGS

Corps of Engineers Signage and labeling shall be provided on the hull, to include the following:

1. Two Corps Castle logos shall be provided, one each on the sides of the deckhouse. The

Corps Castle logo shall be aluminum and shall be 3D. The red background for the signage shall be 3M Diamond Grade DG3 Reflective Sheeting Series 4000.

2. The vessel names shall be installed P/S on the sides of the deckhouse. The vessel names shall be on left and the Corps Castle logo shall be next of the right side. The letters painted black.

3. ‘US ARMY CORPS OF ENGINEERS’ shall be installed P/S on the bow above waterline with 8” aluminum plate letters welded to the hull and painted black.

C470 TRANSDUCER WELL

A. TRANSDUCER WELL

One thru hull transducer well shall be provided for a single beam survey transducer. The transducer well shall be provided with a ¾” Lexan cover, faired to the hull. The transducer shall be fitted as close to the Lexan cover as possible without contact. The face of the transducer shall be mounted in the horizontal plane, facing directly downward.

The transducer well shall be filled with distilled water.

The transducer well shall be located in port side and as close to the vessel’s longitudinal center of flotation. The transducer shall be installed in accordance with the manufacturer’s requirements.

The transducer well shall be fitted with a watertight bolted cover at the top. Two penetrations shall be made in the cover; one shall be for transducer wireways, and the other shall be for filling the well with distilled water. Both penetrations shall be fitted with watertight seals.

The transducer well shall be clear of all intakes and exhaust ports for mechanical systems to prevent buildup of air bubbles.

A detailed drawing of the transducer well, transducer mounting system, and transducer cap shall be prepared and submitted as drawings 853-C470-01 Transducer Well during Phase I.

B. MOON POOL

A Moon Pool with minimum clear opening 30" x 30", shall be provided in deck on centerline just aft of the house after bulkhead.

A single piece splash tight aluminum deck hatch shall be provided to close the moon pool with the transducer in "up" position.

C. TRANSDUCER STRUT

A transducer strut shall be provided for the moon pool with support structure and foundations. The strut shall be used to mount a transducer for surveying.

The contractor shall install the welded support structure foundations which are aluminum flanged plates on the deck of the moon pool’s starboard and port sides. The foundation of the support structure shall have bolt holes for fastening the strut’s support structure.

A manual winch shall be provided and installed to raise and lower the strut.

The strut, support structure and foundations shall be adequate for speeds of 15 knots. The strut shall be designed and manufactured to be removable from the support structure without requiring disassembly of the support structure. The support structure shall also removable from the foundations.

C600 MACHINERY

C602 PROPULSION ENGINES

The contractor shall provide and install twin 4 stroke outboard motors. The horse power of the motors shall be sized for the maximum design speed. The outboard shall provide counter rotating propellers.

The outboard engines shall be installed on hydraulic jack plates. Each jack plate shall have a hydraulic power unit located in the vessel hull. Jack plate control shall be from the operator’s station, and height indicator gages shall be provided for each jack plate at the operator’s console.

The contractor shall install the engines and accessories on the boats, and provide and install all other equipment required to make the engines fully functional for the propulsion of the contracted survey boats.

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.

B. INTEGRATED PROPULSION & CONTROL SYSTEM

The Propulsion Control System…