SOW_SV_RECONNAISANCE.pdf

SECTION C: DESCRIPTION/SPECIFICATIONS/WORK STATEMENT

Rev. 1

TABLE OF CONTENTS

TP TECHNICAL PROVISIONS …………………………………………………………2

TP-1 SCOPE OF WORK …………………………………………………………2

TP-2 DEFINITIONS …………………………………………………………2

TP-3 STANDARDS …………………………………………………………3

TP-4 CERTIFICATION AND CLASSIFICATION …………………………3

TP-5 INSPECTIONS, TESTING AND TRIALS …………………………………4

TP-6 WORKMANSHIP AND CONSTRUCTION STANDARDS …………4

H HULL SECTION ITEMS ………………………………………………………..12

H-101 DRYDOCKING …………………………………………………..……12

H-102 UTILITIES AND SERVICES (UNIT PRICE) ………………………..13

H-200 SURFACE PREPARATION, INSPECTION AND AUDIOGAGING…

H-201 HULL ANODE REPLACEMENT ………………………………………..16

H-202 HULL PAINTING ………………………………………………………..16

H-203 INSTALLATION OF DECK NON-SKID ………………………………..18

H-401 INSTALLATION OF PLUGS AT WT BHD PENETRATIONS….………..19

H-501 INSTALLATION OF MAIN CABIN GUTTER SYSTEM…………….……19

H-921 MISCELLANEOUS DECK DEPARTMENT……………………………..…20

WINDOW LATCHES………………………………………………………..20

MODIFY SURVEY EQUIPMENT RACK………………………………….21

MODIFY SEAT TRACKS…………………………………………………..21

M MACHINERY SECTION ITEMS ……………………………………………..…22

M-151 INSTALL EMERGENCY FUEL SHUT OFF VALVES…….…………..…22

M-901 MISCELLANEOUS MAINTENANCE (IF DIRECTED) ……………

TP TECHNICAL PROVISIONS

TP-1 SCOPE OF WORK

Overhaul the SURVEY VESSEL (S/V) RECONNAISSANCE. The contractor shall furnish all engineering, design, labor, services, equipment, parts and materials necessary to perform the drydocking and repairs listed in this contract.

Drawings, equipment or materials to be furnished by the Government will be specifically listed in the appropriate section. Unless specifically listed, the contractor shall assume no drawings, equipment or materials will be furnished by the Government and shall submit offer accordingly.

TP-2 DEFINITIONS

The following definitions are applicable to phrases and acronyms used throughout this Statement of Work (SOW):

• Contracting Officer (KO) A person with authority to enter into, administer, and/or terminate contracts and make related determinations and findings.

• Contracting Officer's Representative (COR) A member of the Philadelphia District contract management and quality assurance team authorized by the Contracting Officer to perform administrative and managerial duties. A copy of the COR's authority letter will be furnished to the Contractor at the time of award.

• Government Furnished Equipment (GFE) Equipment, materials, parts, supplies, or components furnished by the Government to the contractor for installation on the vessel.

• USACE Acronym for the U.S. Army Corps of Engineers.

• PSBr - Acronym for the Physical Support Branch of the Philadelphia District Corps of

Engineers.

• QC - Quality Control. Quality Control is a function of the contractor. Refer to clause E03.

• QA - Quality Assurance. Quality Assurance is a function of the Government.

• ABS Acronym for the American Bureau of Shipping

• USCG Acronym for the U.S. Coast Guard.

• CFR Acronym for the Code of Federal Regulations.

• ANSI Acronym for American National Standards Institute

• OSHA Acronym for Occupational Safety and Health Administration

• NFPA Acronym for National Fire Protection Association

TP-3 STANDARDS

All design, engineering, modifications and repairs to the vessel shall be performed in accordance with the criteria set forth in the latest issues of the following standards:

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

Requirements Manual." Dated 30 November 2014.

• 46 CFR Subchapter T – “Rules and Regulations for Small Passenger Vessels (Under 100 Gross Tons)” [46 CFR 175 - 185].

• 46 CFR Subchapter S – “Subdivision and Stability Regulations” [46 CFR 170 - 171].

• United States Public Health Service (USPHS), Publication No. 393 "Handbook on

Sanitation of Vessel Construction".

• USCG, Navigation Rules - Inland/International.

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

• Illuminating Engineering Society, "Recommended Practice for Marine Lighting."

• National Electric Code (NEC).

Note that these standards apply only to the engineering, design and workmanship performed by the contractor as part of this contract including removals, accesses and other work performed by the contractor incidental to the work required by the contract.

TP-4 CERTIFICATION AND CLASSIFICATION

The vessel is not certificated by the USCG.

The vessel is not classed by the ABS.

It is not intended as part of this contract that any classification or certification be achieved.

TP 5 INSPECTIONS, TESTING AND TRIALS

The contractor shall perform tests, trials and other operational performance demonstrations as necessary to validate that the work specified in this contract was completed in accordance with the requirements, and functions as it was intended.

The contractor shall provide at least 24 hour notice to the COR prior to any testing or trials. If the COR, after having received such notification, is not present at the designated time and place for the inspection or test, the contractor shall proceed with the inspection or test.

Untimely notification will result in postponement or repetition of the test. Lack of notification will require retesting. All delays caused by improper notification are the responsibility of, and to the account of, the contractor.

The contractor shall furnish an experienced individual with the authority to witness and document the results of all inspections and/or tests.

TP 6 WORKMANSHIP AND CONSTRUCTION STANDARDS

A GENERAL REQUIREMENTS FOR ACCESS

After careful planning and subject to the approval of the COR, the contractor may cut and/or remove plating or framing members from the vessel for access to machinery, piping, wiring and equipment. Under the same conditions, the contractor may also remove piping, wiring, fixtures, fittings, etc., for access and clearance to perform required work.

All removed equipment shall be tested as part of the Tests and Trials requirements in Section TP5 of this SOW. Damages to parts, components and/or equipment as a result of removals, is the responsibility of the contractor and shall be repaired/replaced in kind. Any removals for access shall be temporarily supported if lack of such support could cause failure or damage to adjacent systems, distortion of adjacent framing or plating, or result in a safety hazard.

All removals shall be replaced once require work is completed. Replacement shall consist of returning the removed equipment, piping, wiring, structural members and plating to their original locations and reinstallation. Installations shall be in accordance with the original construction drawings or the referenced standards (Refer to TP-3). Fit and finish shall be restored and damaged paint shall be renewed.

B GENERAL REQUIREMENTS FOR HULL WORK

All new hull plating shall be fabricated from marine grade Aluminum plate 5086/5083.

Due regard shall be paid to details in both the design and construction of all new and/or modified structures, to prevent structural discontinuities and other stress concentrations. Where openings must be provided in the structure, adequate compensation shall be provided by the contractor.

Watertight integrity of all bulkheads and decks shall be maintained. Openings created by permanent removal or addition of piping, wiring or other materials shall be closed by means of watertight penetrations or insert plates of equal thickness flush welded to the bulkheads.

All welds shall be ground flush and smooth.

Sections of stiffeners, beams, girders, etc., shall be welded to the bulkheads to maintain continuity of structure.

Openings cut into decks and bulkheads shall be adequately compensated by bounding bar to maintain original strength.

All watertight, oil tight and weather tight work shall be tested for tightness prior to painting. Testing procedures, other than hydrostatic testing, shall be submitted to the COR for approval. Submittals shall include complete particulars on the testing procedure(s) proposed and, if air testing is used, the method of controlling the air pressure. Water used for testing shall be potable quality to prevent contamination of the compartments and piping.

C GENERAL REQUIREMENTS FOR FOUNDATIONS AND SUPPORTS

Suitable foundations shall be provided under all new units of machinery. Foundations shall be built up of plates and structural shapes to the dimensions required for satisfactory support, and shall assure rigidity, freedom from vibration and designed for secure containment of the equipment in event of crash stops.

Where dripping water or oil can be expected, the top plates of foundations shall project beyond the edges of the bed plates or bases of units being supported and formed into spill containment/drip pans. Flat bars welded around the edges of the top plates may be used to retain any leakage. Valved drains shall be provided at the ends or corners of the pans to facilitate fluid removal or recovery.

Foundations shall extend beyond the equipment fore and aft or transversely to distribute the load and to avoid excessive weight concentrations.

Doublers, insert plates, girders, headers and stanchions shall be fitted and under deck framing shall be reinforced to support units mounted on deck.

D GENERAL REQUIREMENTS FOR MATERIALS

All materials provided by the contractor shall be suitable for marine applications and shall be subject to approval of the COR/GTR.

All new hull plate shall be marine grade Aluminum plate 5086/5083.

All new extrusions, shapes and pipe greater than or equal to 3” shall be marine grade

Aluminum 6061.

All new extrusions and pipe less than 3” shall be marine grade Aluminum 6063.

Fasteners shall be AISI type 304 or 316 stainless steel.

All fasteners shall be installed using nonmetallic gasket material when placed against an aluminum surface.

E GENERAL REQUIREMENTS FOR PIPING

All piping required in these specifications shall be designed and installed to obtain optimum operating conditions, and shall be compatible with the machinery or equipment serviced.

All piping, valves and fittings shall comply with material specifications of the design standards for that particular service.

Piping shall be run as directly as practical. Piping shall include valves, unions and fittings.

Unions and flanges shall be provided to facilitate installation and subsequent removal.

Flexible connections to machinery components shall be provided where vibration may be anticipated.

Piping shall not pass over switchboards and be kept clear of switchgear, wiring, etc.

All work shall be templated from the vessel.

Piping shall be secured by supports and hangers so as to avoid excessive strains; avoid the weight of the piping being transmitted to valves and fittings; minimize the effects of vibration, shock, pitching and rolling of the vessel; and permit proper thermal expansion and contraction. Provision may be made for expansion and contraction by changes in direction of pipe runs or by use of expansion bends, joints, loops or offsets.

Exhaust piping shall be welded for all sizes.

All burrs shall be removed from the ends of all piping after any cutting or threading. Pipe ends shall be dressed with a reamer before installation.

Valve type shall be consistent with the service.

All valve materials shall be stainless steel.

An aluminum label plate shall be attached to the hand wheel of all new valves to indicate its function.

Where pipes are carried through watertight bulkheads, decks or tank tops, the watertight integrity of the structure shall be maintained.

Heat sensitive materials shall not be used in piping systems which penetrate watertight subdivisions.

All fastenings used to connect valves to shell connections shall be of stainless steel.

Where dissimilar metals occur, the contractor shall insulate to prevent electrolytic action.

F GENERAL REQUIREMENTS FOR MACHINERY SYSTEMS

Where new machinery and equipment is to be installed, or when existing machinery and equipment is relocated, the contractor shall mount the items on suitable foundations.

All fastenings, bolts, (fitted or otherwise) studs, nuts, washers, gaskets, etc., shall be installed using anti seize compound furnished by the contractor unless otherwise specified.

Any defective or missing fasteners shall be renewed at contractor's own expense.

Where detailed disassembly, assembly, or installation procedures appear in this specification, they are presented for the contractor's information and convenience in estimating the possible extent of the work to be done. The inclusion of these detailed procedures does not relieve the contractor of responsibility for doing all work necessary and in the proper manner for satisfactorily accomplishing the specified ultimate objective.

G GENERAL REQUIREMENTS FOR ELECTRICAL SYSTEMS

All electrical installations as set forth in these specifications shall be in compliance with the referenced rules, regulations and standards, especially with regard to ambient and working temperature requirements.

Electric cable shall be capable of handling the required amperage.

Electrical installations shall be such so as to eliminate the possibility of mechanical injury or damage from the accumulation of dust, oil, vapors, steam, dripping liquids, etc.

New cable runs shall be supported at intervals of not more than 18" apart where vertical and 14" apart where horizontal. Straps, hangers, and standoffs shall be steel with stainless steel fasteners. Plastic type straps are permitted only behind sheathing/paneling. No cable runs will be permitted below the deck plates, except for bilge pump wiring. Cable penetrations, where required to be watertight, shall have approved kick plates, stuffing tubes, etc.

All electrical supplies and/or installations to meet CFR 46, Subchapters J and T, as well as all applicable NEMA, NEC and ANSI standards.

H GENERAL REQUIREMENTS FOR HOT WORK

Prior to any hot work commencing in any compartment, the compartment shall be pumped dry, cleaned, gas freed and made safe for entry and hot work in accordance with 29 CFR 1915, Occupational Safety and Health Standards for Shipyard Employment, and other applicable standards.

The COR/GTR shall be furnished a Marine Chemist certificate stating that each compartment gas freed by the contractor has been tested by an approved certified Marine Chemist and that the space is safe for hot work.

All spaces that have been certified by a Marine Chemist as safe for hot work, shall be checked daily by a competent person to ensure there continued state of being safe for hot work.

A log containing the original Marine Chemist certificate and Daily checklist shall be kept at the gangway so that all who need to enter the space will have easy access to the knowledge of their current conditions.

The contractor shall provide and maintain proper ventilation of spaces in which hot work is required or men are required to enter. Disposal of material accumulated during gas freeing work shall be the responsibility of the contractor and shall be in accordance with all federal, state and local laws and all costs are to be included in the respective line item.

The contractor shall post and maintain a fire watch whenever any hot work is being performed. If work is being performed on a bulkhead, a fire watch shall be posted on both sides of the bulkhead and/or deck.

I GENERAL REQUIREMENTS FOR WELDING

All welding under this contract shall be done only by welders who have successfully passed the qualifications test of the ABS, the U.S. Navy or the USCG for steel welding.

The contractor shall bear the expense of conducting these tests, and shall certify by name to the COR those welders who have successfully passed the prescribed tests. The contractor shall require any welder to repeat these tests when, in the opinion of the COR or his appointed representative, the work of the welder indicates a reasonable doubt of his efficiency. In such cases the welder shall be recertified as above.

The electrodes used throughout the work shall be suitable for use with the parent metal at each weld. Electrodes shall be received on the job in unbroken packages bearing the manufacturers' label or be otherwise marked. Certified statements shall accompany each shipment of electrodes to the effect that sample pieces, representative of each kind and size in each shipment, have satisfactorily passed the tests required by the ABS, the USCG, and/or the U.S. Navy for steel welding.

Welding in this contract shall be done using the MIG process. All welding shall be smooth, tight and free from undercuts, porosity, craters and gas inclusions.

Shell and deck butts and flush seams shall be back chipped or gouged to sound metal from the closing side before welding.

All sharp and/or rough edges shall be ground smooth and all weld spatter shall be removed.

All welds for temporary dogs used during modifications are to be ground smooth.

Assembly of all welded joints before welding shall be such as to secure proper gaps in butt welds and metal contact in fillet welds. Welding shall not be used to close openings larger than stipulated for each plate thickness by the ABS.

All watertight seal welds shall be of "bead" type; no "weave" welding will be permitted.

Welding procedures, as to direction, length and number and sequence beads shall be carefully planned to minimize distortion and locked in stresses.

J GENERAL REQUIREMENTS FOR WORKMANSHIP

All parts of the work intended to join or bear upon others shall be cut or trimmed to fit neatly.

All faying surfaces shall be clean and smooth before bolting up. Shims or liners shall not be used for the purpose of overcoming a bad fit.

Lightening holes may be punched, sawn or sheared and all burrs and cutting slag shall be removed.

Weld spatter shall be removed from all plating and stiffeners.

All mounting holes shall be drilled and reamed. Holes in members having sharp curvature shall be avoided whenever possible.

All frames and longitudinals shall have limber holes and/or snipes of adequate size to allow water to flow to the lowest point of each compartment and to allow air to escape.

All joints or areas of connection between steel and dissimilar metals shall be properly insulated by gasket material.

All fastenings used for connecting steel shall be made of AISI type 304 or type 316 series stainless steel.

All labor shall be performed by competent individuals skilled for each kind of work, thorough, first class in every respect 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 damaging of previously acceptable construction shall be cause for rejection.

K GENERAL REQUIREMENTS FOR PAINTING

The contractor shall seal off all ventilation, antennas, engine room, exhaust, tank and fan vents or openings, and all other intake or exhaust venting/piping and cover all zinc anodes, transducers, windows, propellers, propeller shafts, shaft bearings, rudders stocks, and other fixtures that could be damaged or introduce contamination into the vessel from the high pressure water washing, sandblasting, or painting. This protection shall be checked and maintained daily during performance of any blasting and painting operations.

All areas contaminated with grease, oil, lubricants or other foreign matter shall be cleaned with a solvent similar to DEVOE Devprep #88, 788 T 000 (or.equal)

Defective shell plate discovered during blasting shall be reported to the COR/GTR immediately.

All paints shall be from a single manufacturer and the paint system shall be applied in strict accordance with that manufacturer's guidelines and recommendations, including time between coats, proper application equipment, thinning and disposal of excess paint and thinner and cleaning of equipment.

All painting underwater surfaces shall be completed and accepted by the COR/GTR prior to refloating the vessel.

The contractor shall furnish the COR/GTR with a thickness gauge suitable for use on aluminum to verify proper wet/dry film thickness.

All paints used in the performance of this work shall be within the manufacturer’s specified closed container and “pot” shelf life.

All overspray of any new paint onto existing finished surfaces shall be removed and all surface repaired to original condition.

Colors shall conform to Federal Standard 595, in accordance with the following schedule:

AREA COLOR AND FS595 NUMBER

Hull Exterior Black/17038 Deckhouse Exterior Old Ivory/13695 Decks & Housetop Deck Red/10076 Hull & Deckhouse Interior White/27880 Deck Fittings Yellow/13655 Hull Markings White/27880

Exterior Deck Coaming Striping Red/11136 Handrails & Stair Rails Black/17038 Antifouling 1st Coat Manufacturer Contrasting Color Antifouling 2nd Coat Manufacturer’s Red

L GENERAL REQUIREMENTS FOR DISPOSAL OF FLUIDS

All fluids, including, but not limited to, diesel fuel, lubricating oil, hydraulic fluid, antifreeze/coolant, bilge wastes, battery acid, penetrating and cutting oils, dye penetrants, and paint thinners removed from the vessel or generated by the contractor in the course of performing the required work shall be disposed of by the contractor in accordance with all Federal, State, Regional and Local laws, rules, regulations, and guidelines for the disposal of hazardous materials, this to include all fluids that shall be drained from equipment removed from the vessel for disposal or other disposition. All associated costs shall be included in the appropriate line item.

This also applies to any rags, clothing, equipment or other materials exposed or contaminated with such fluids.

M GENERAL REQUIREMENTS FOR CONFINED SPACES

The contractor shall comply with all requirements of Federal Law contained in 29 CFR 1910 and 29 CFR 1915 for entry into, monitoring of, rescue from and closure of confined spaces during the period of performance of the contract.

The contractor shall have a competent person on site whenever any work is being performed in a confined space and shall post required certificates in the immediate vicinity of the confined space and maintain a log of all inspections and certificates.

N GENERAL REQUIREMENTS FOR SAFETY

The contractor shall comply with the requirements of EM 385 1 1, “U.S. Army Corps of Engineers Safety and Health Requirements Manual” throughout the contract period. It can be found online at http://www.usace.army.mil/publications/eng-manuals/em385-1-1/toc.htm

H HULL SECTION ITEMS

H-101 DRYDOCKING

1. INTENT

It is the Intent of this work item to haul the vessel from the water and block the vessel while performing the underwater work outlined in the Statement of Work (SOW). The vessel will need to be fleeted on the blocks in order to achieve a 100% coating of the underwater painting system.

2. REFERENCES

Drawing N47900-101 – ‘General Arrangement’ MIL-STD-1625 - ‘Safety Certification Program for Drydocking Facilities and Shipbuilding Ways for US Navy Ships’

NAVFAC DM-29.1 - ‘Graving Docks, Design Manual 29.1’

3. DESCRIPTION OF WORK

Provide all labor, services and materials and perform the work required. Provide a certified marine railway, or a certified synchro-lift, etc. and qualified personnel and necessary equipment to dock the vessel. The Survey Vessel RECONNAISSANCE has the following principal dimensions:

Overall Length: 31 feet - 11 inches Overall Beam: 9 feet - 3-1/2 inches Displacement (light ship): 9,757 pounds Draft: 2 feet - 0 inches

Vessel is constructed entirely of aluminum.

Provide and set blocks to support and distribute the weight of the vessel while out of water and to prevent movement of vessel. Blocks should provide for a minimum of 36-inches clearance under the hull.

Haul the vessel out of water and set on the blocks. Participate in the joint docking inspection.

Immediately after drydocking the vessel, and before the hull and any marine growth has had a chance to dry, the entire hull from the keel to the top of the bulwarks shall receive a fresh water high pressure wash at no less than 5000 psi.

The vessel’s underwater hull will be painted in its’ entirety. This will make it necessary to adjust the blocking for the washing, blasting and application of the paint system specified in Line Item H-202 of this contract.

Upon completion of all underwater related repairs and following the joint undocking inspection, return the vessel to the water.

All lay days, demurrage and other dock costs, including the costs of weekends and holidays, necessary to perform the repair work listed in this contract shall be included in the cost of this Line Item.

Estimate on 30 calendar days for drydocking.

H-102 UTILITIES AND SERVICES (UNIT PRICE)

The contractor shall provide all labor, materials, and equipment; necessary to maintain the drydock and pier side utilities and services specified in this work item for the duration of the contract.

Drawing N47900-301 – ‘Electrical Systems’

Services shall be connected and operating within 2 hours after arrival of the vessel at the contractor’s facility and shall continue until the vessel is accepted by the COR.

Payment shall be made only for the actual number of days the vessel remains and utilizes services at the contractor’s facility.

Unit price shall cover all costs incidental to and charged direct to the job, and not otherwise included as overhead.

Services and utilities shall consist of the following:

• SHORE POWER: Provide necessary labor to connect, maintain and disconnect shore power service for initial hook-up, re-blocking and moving vessel to pierside. Provide electrical service for the duration of the repair period.

Shore power service to be 30 amps (minimum), 120/240 VAC, 60 Hz, single phase.

The vessel contains a number of components and systems that are sensitive to voltage fluctuations. The contractor shall be responsible for removal, repair or replacement, reinstallation and testing of electrical equipment which fails while the ship is in the contractor’s possession due to voltage surge or fluctuation.

The vessel shall be grounded to earth via a grounding conductor when operating on shore power. Ensure the vessel is galvanically isolated from the shore (earth), using a galvanic isolator or an isolation transformer. Application and installation of this device shall be in accordance with ABYC E-8.20.

• TRASH REMOVAL: Provide receptacles, equipment and labor to collect and remove garbage and trash from the vessel. The trash bins shall be located near the gangway.

• CRANE SERVICE: Provide all crane service, labor and rigging equipment for moving supplies, provisions, spare parts, liferaft, and equipment on and off the vessel, and to and from the storage area. All other crane service directly related to repair work listed in this contract shall be included in the cost of that Work Item.

• GANGWAY: Provide a gangway (stairs or ladder) for access to and from the vessel.

Install (on opposite side of vessel from gangway) and maintain a separate ladder from the ground to the main deck for emergency egress during the docking period.

Estimate on 30 calendar days. Price per day.

H-200 SURFACE PREPARATION, INSPECTION AND AUDIOGAGING

It is the intent of this work item to prepare the vessel’s underwater hull from keel to deep load line for painting.

It is also intended to prepare and make available the entire hull of the vessel for taking audiogage readings, establishing a Baseline for the vessel, through which all future readings can be compared.

2. DESCRIPTION OF WORK

A. SURFACE PREPARATION, INSPECTION

Immediately after drydocking the vessel, and before the hull and any marine growth has had a chance to dry, the entire hull from the keel to the top of the bulwarks shall receive a high pressure wash.

The high pressure wash shall be performed with fresh water only and shall be no less than 5000 psi. All washing to be performed shall be done from above (i.e. from the top of the drydock, scaffolds, etc.) with the nozzles pointed down to the floor of the dock to prevent the spread of water to the upper portion of the vessel and into any interior spaces.

Any areas contaminated with grease, oil, dirt, rubber streaks or other foreign matter shall be cleaned with DEVOE “Dev-prep # 88”, 788 T-000 (or equal) and washed clear with the high pressure wash.

After the Vessel hull has dried and within 24 hours after drydocking the vessel, a joint inspection shall be conducted with the COR and the contractor.

The paint on the entire hull from the keel to the deep load line shall be surveyed. All areas where the anticorrosive system (primers) have been disturbed or removed shall be identified and clearly marked. A written condition report with recommendations shall be submitted by the contractor to the COR within 24 hours after performing the joint inspection.

The report shall include a summary of the hull's condition, including an estimate of the total square-footage of the hull that requires a renewal of the anticorrosive system.

All of the manufacturers and USACE preparation and environmental conditions must be met prior to beginning any operation. Surface temperature, humidity, wind conditions, dew point and wet-bulb readings shall be checked and recorded at least twice daily.

B. AUDIOGAGING

The contractor shall conduct with qualified technician or provide the services of a testing firm to take audio gage readings on the hull from the keel to the top of the bulwark and bow to stern, including the sea chest area. The audio gauging is to be done by ultrasonic testing or any other non-destructive testing methods.

The contractor shall provide the COR with a sketch showing the audio gage readings in relation to their position on the hull of the vessel.

Audio gage 200 spots as directed shall be taken along the entire length, width and height of the hull as specified above. Holes and areas showing 25% or more wastage from original thickness shall be highlighted.

NOTE: Coordinate with line item No. H-202, Hull Painting.

H-201 HULL ANODE REPLACEMENT

It is the intent of this work item to inspect and/or replace all or some of the Vessel’s underwater hull sacrificial anodes.

The contractor shall provide all labor, materials and equipment and accomplish the following:

Inspect all of the underwater hull sacrificial anodes and provide a condition report to the COR, noting the position on the hull and the approximate percent wastage.

The COR shall direct the Contractor to replace all or some of the sacrificial anodes based on the conditions found. All new anodes shall be the same size and material as the original.

Coordinate installation of anodes with Line Item H-202, Hull Painting.

H-202 HULL PAINTING

It is the intent of this work item to apply the entire original underwater paint coating system, from the keel to the deep load line, on the surface prepared underwater hull of the vessel.

The contractor shall furnish all necessary labor, materials, services and equipment and prepare and paint the hull of the Survey Vessel RECONNAISSANCE in accordance with the following specifications.

A. WASHING/BLASTING

All work is to be performed in accordance with Technical Provisions section TP-6 (K).

All work shall be coordinated in writing in advance with the COR.

All washing/blasting shall be done from above with the nozzles pointed down toward the floor of dock to prevent the spread of water, sand/shot to the upper portion of the vessel and into the quarters and machinery spaces.

Residue on decks resulting from washing/blasting shall be removed from the vessel daily by broom sweeping.

Artificial illumination shall be used on any area specified to be cleaned and painted, which cannot be clearly seen otherwise, at any time the work is being performed.

The designated areas of the underwater hull, as determined by the joint inspection, shall be washed/blasted clean using dry sand, hydro blast or shot blast to brush-off blast in accordance with Steel Structures Painting Council Specification SSPC SP 7. Completely remove all oil, grease, dirt, rubber streaks, loose paint and foreign matter. All remaining paint should be tight and the surface should be sufficiently abraded to provide good adhesion and bonding of paint.

Blast overspray shall be kept to minimum so as to reduce the total amount of coatings to be renewed.

B. PAINTING (Keel to Deep Load Line)

The hull from the keel to the deep load line shall be prepared and painted in accordance with the following specifications:

After pressure washing/blasting the hull as required in H-200, SURFACE PREPARATION, conduct a visual inspection of the hull and identify areas that require further blasting due to the anticorrosive system (primers) being disturbed or foreign material not removed by pressure washing.

Blast these areas and apply 1 spot coat of Primer Coat Sherwin Williams Seaguard 5000HS, Gray and 6 mils wet/4 mils dry. Estimate on 10% of the surface area below the waterline for additional blasting, and spotcoats of primer coat.

The underwater hull shall be painted with three full coats of antifouling paint, 7 mils wet/4 mils dry. The antifoulant paint shall be similar to Sherwin Williams SeaVoyage Copper Free N51(R or B) 301, alternating coats of Black and Red, the final coat to be Black (N51B301).

Apply an additional coat of antifouling paint (N51B301) at the waterline (waterline down approximately two (2) feet).

H-203 INSTALL DECK NON-SKID

The intent of this line item is to install Government Furnished Pre-cut Non-Skid on the deck of the vessel as outlined on attached drawing.

2. GOVERNMENT FURNISHED MATERIAL

All Non-skid, Cut outs identified on the attached drawing.

The Contractor shall thoroughly clean any areas contaminated with grease, oil, dirt, rubber streaks or other foreign matter using DEVOE “Dev-prep # 88”, or similar in preparation for the adhesion of Non-skid, Cut outs.

The Contractor shall lay out the Government Furnished Cut outs and confirm or trim to ensure proper fit.

The Contractor shall peel the backing and stick the Cut outs to the cleaned deck as shown on the attached drawing.

H-401 INSTALLATION OF PLUGS AT WT BHD PENETRATIONS

It is the intent of this specification to install plugs at four-(4) bulkhead penetrations through watertight bulkheads along the keel, thereby restoring the individual watertight integrity of these five-(5) below deck compartments. Watertight bulkheads are at Frames 1, 5, 9 and 13.

Drawing N47900-201 – ‘Hull Structure’

3. GOVERNMENT FURNISHED MATERIAL

Plug, ¾” Stainless Steel 316L - Quantity four – (4)

4. DESCRIPTION OF WORK

Contractor shall thoroughly clean the 3/4” through bulkhead, threaded fittings and chase the threads. Contractor to install a 3/4” plug on one side of each of the four-(4) bulkhead fittings.

This plug shall be installed on the side that gives the vessel operator the most accessibility to the plug in the event that it needs to be removed.

Contractor shall treat the plug threads with material appropriate sealant before securing them in place inside of threaded bulkhead penetrations.

H-501 INSTALLATION OF MAIN CABIN GUTTER SYSTEM

It is the intent of this specification to install an aluminum flatbar coaming around the perimeter of the deck above the main cabin, for the purpose of containing and controlling the flow of water during inclement weather.

2. DESCRIPTION OF WORK

PORT SIDE

Contractor shall install a 2-1/2” coaming fabricated from 1/4” aluminum flatbar to the deck above the main cabin described as follows. Weld an approximately 13’ long, 2-1/2” coaming from several inches forward of the Port side handrail to the Port aft corner of the house, several inches aft of the handrail.

On the forward end of that coaming Contractor shall weld an approximately 8” long, 2- 1/2” coaming, attached to the forward side of the 13’ piece, emulating the jog in the deck/visor and finished off with a curve to match the handrail forms.

Contractor shall weld an approximately 12” long, 2-1/2” coaming, attached to the after side of the 13’ piece, running inboard along the edge of the deck and terminated with a curve to match the handrail forms.

Contractor shall drill a 1-1/2” drain hole in the Port/Aft, outbd corner of the deck contained by the new coaming and weld an approximately 6’ length of 1-1/4” aluminum pipe to the underside of this drain hole, terminating several inches above the deck. This drain spout shall be supported by no less than three-(3) welded supports to the aft bhd of the main cabin.

The Contractor shall ensure that the edge of the new coaming is smooth and rounded over, free of burrs and sharp edges.

STBD SIDE

Starboard side shall be the same as the Port side, Opposite hand.

The entire coaming to perform all of the work should be approximately 30’ of 2-1/2” flatbar, ¼” thick.

H-921 MISCELLANEOUS DECK DEPARTMENT ITEMS

It is the intent of this work item to perform several minor modifications to the existing equipment inside the main cabin.

2. DESCRIPTION OF WORK

WINDOW LATCHES

The Contractor shall provide the services of a Diamond Sea Glaze factory service representative to inspect all of the latches on the cabin sliding windows and make the necessary adjustments/replacements to ensure their proper operation. Currently some of the latches will not stay latched. (The issue is most noticeable on the Port Center and Port Forward windows).

MODIFY SURVEY EQUIPMENT RACK

The Contractor shall modify the equipment rack located on the starboard side aft to lower the overall height and provide a new custom fabricated top. The Contractor shall also weld four-(4) studs to the deck to bolt the existing rack down in a more secure fashion.

Currently the rack has a height of approximately 46”. Contractor shall trim the four-(4) legs down to facilitate a new top to be installed at approximately 40”. The Contractor shall build a new top to match the existing furnishings already in place in the cabin and bolt the top to the newly lowered rack. The top shall have a lip to prevent small items from rolling off.

The Contractor shall weld four-(4) studs to the deck and furnish all hardware and bolt the rack down to the deck.

MODIFY SEAT TRACKS

The Contractor shall remove both of the cabin main Mariner seats and tracks. Re-drill the tracks and base to facilitate moving the seat tracks 2-1/2” fwd. A small chock or piece of angle may need to be welded to the base to provide additional support to the cantilevered seat tracks. Reinstall the seats.

M MACHINERY SECTION ITEMS

M-151 INSTALL EMERGENCY FUEL SHUT-OFF VALVES

It is the intent of this work item to install two-(2) Emergency fuel shut-off valves to be operated remotely from handles mounted on the aft bhd of the main cabin.

Drawing N47900-507 – ‘Fuel System’

The Contractor shall install a ball valve on the fuel line to each engine. The ball valves shall be mounted and secured such that the handle is free to open and close the valve fully and can be operated to open and close easily with a cable connected to a remote operator.

NOTE: The valves should be rated for and suitable for use in a system carrying fuel.

The Contractor shall install the necessary components/system to allow the valves to be operated by pulling/pushing knobs that are secured on the Port/Aft Bhd of the main cabin. Each valve shall be Labelled (Emergency Fuel Shut Off Stbd/Port) and clearly indicate its function and which engine it is associated with.

Valve Operators shall be mounted to make their operation as convenient as possible for the Operator and shall not interfere with any existing vessel functions/features.

M-901 MISCELLANEOUS MAINTENANCE (IF DIRECTED)

It is the intent of this work item to provide pre-priced funding for Labor & Materials to accomplish emergent work that may need to be accomplished.

A. LABOR

Provide the services of journeymen level mechanics, shipfitters, welders, inside and outside machinists, pipefitters, marine chemists, laggers & insulators, carpenters & joiners, electricians, laborers, burners, riggers, painters and all other shipyard trades to perform work to the ship's equipment for the entire duration of the repair period.

Work items will be described in writing on a Government 2-Way Memo Form and shall be based on a joint survey with the contractor. Only the COR/Government Technical Representative is authorized to issue 2-Way memos. Work items will be priced and agreed upon prior to the initiation of any work. The contractor, in connection with any proposal he makes shall furnish a total, lump sum price together with a price breakdown itemized as required.

Unless otherwise directed, the breakdown shall set forth separately the following:

(a) Materials: Quantity computations and materials pricing (support by invoices or price quotes or define as estimated).

(b) Labor: Provide manhours by trade as agreed upon by the Contracting Officer's Representative.

(c) Specialized Equipment: Define equipment to be employed and hours used, both effective and noneffective. If equipment is part of an overall markup or labor costs, define as such. Provide rates used for specialized equipment listed separately.

(d) Subcontract Costs: Contractor shall submit vouchers of the subcontractor's costs unless waived by the Contracting Officer's Representative.

(e) Miscellaneous: Any portions of the proposal for estimated costs for changes not covered in (a) to (d) above, shall be defined and set forth separately.

ESTIMATE ON 80 LABOR HOURS. PRICE PER HOUR.

The HOURLY RATE bid for this item shall be a blended rate of all trades and is to include overhead, profit, general and administration costs, and any additional costs or premium time incurred for weekends and holidays including insurance.

The Contractor shall have available at the yard where the work is performed, an ESTIMATOR (or other authorized person) to survey any work that may be found necessary.

The estimator shall be made available the same day that the additional work is found (including weekends) and shall submit an estimate of the cost within 24 hours.

B. MATERIAL

NOTE: FOR BIDDING PURPOSES, material costs involved in the maintenance and repair work performed shall be estimated on the basis of one-hundred percent (100%) of the total labor cost worked in paragraph (A)(1), above.

EXAMPLE: The material costs for 100 labor hours at $40/hour shall be $4,000.00.

Actual material and services costs will be paid on the basis of Contractor's purchase orders for required material. Copies of all purchase orders shall be furnished to the Contracting Officer's Representative. Estimate material and services price, as per paragraph (B), above.

All profit shall be based on the OCE weighted Guideline Method.

C. BURDEN CHARGES

The contractor shall insert in the space the percentage burden that will be charged when materials, subcontractor services, specialized equipment rental and any other miscellaneous charge is activated under this requirement. This burden charge shall include profit, material handling, subcontractor handling, general and administrative charges, insurance, overhead and any other charges normally added onto these items. No other such charges or mark-ups will be allowed when activating work under this requirement.

The percentage amount to be charged by the contractor for any materials, subcontractor services specialized equipment rental, and any other miscellaneous charges that are activated under this requirement shall be annotated in Section C.