CHERNESKI SECTC - 2023-SOW-2-2-23.pdf

PART I

SECTION C

DESCRIPTION/SPECIFICATIONS/WORK STATEMENT

TP – TECHNICAL PROVISIONS

TP-1 SCOPE OF WORK

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

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

TP-2 DEFINITIONS

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

• 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.

• ABYC – American Boat and Yacht Council

• 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 reasonable advance notice (not less than 1 full working day) 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 a competent and authorized individual to witness and document the results of all inspections 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.

At the completion of required work, all removals shall be replaced. Replacement shall consist of returning the removed equipment, piping, wiring, structural members and plating to their original locations and reinstallation. Where parts, components or equipment are damaged as a result of the removals, the contractor shall replace them in kind. 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. All removed equipment shall be tested as part of the Tests and Trials required in Section E of this contract. 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.

B GENERAL REQUIREMENTS FOR HULL WORK

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

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 non metallic 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 foundations as specified elsewhere herein.

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 elsewhere 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 specially 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 PPG Ameron Duraprep Prep 88.

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 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 performance of the repair work performed as a part of this 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.

The contractor shall maintain Safety, Fire, and Security programs as required by Section

H of this contract throughout the contract period.

http://www.usace.army.mil/publications/eng-manuals/em385-1-1/toc.htm

PART I

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 in this Contract. 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 CH-H1-01, Outboard profile Drawing CH-H1-03, Lines PLAN SHEET 1 OF 2 Drawing CH-H1-03; Lines PLAN SHEET 2 OF 2

MIL-STD-1625; “Safety Certification Program for Drydocking Facilities and Shipbuilding Ways for US Navy Ships”

3. DESCRIPTION OF WORK

Provide all labor, services and materials and perform the work required in this clause.

Provide a certified marine railway, or a certified synchro-lift, etc. and qualified personnel and necessary equipment to dock the vessel. The Survey Vessel CHERNESKI has the following principal dimensions:

Overall Length: 47 feet-8 inches Overall Beam: 15 feet-0 inches Molded Depth (midship): 7 feet-3 inches Displacement (loaded): 21 long tons Draft: 3 feet-0 inches Gross Tonnage: 18.75 long tons (loaded)

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.

NOTE: Due to the protruding transducer pod, no lifting point or blocking shall be done between Frames 5 and 7.

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.

After the Vessel hull has dried a joint inspection shall be conducted with the COR and the

Contractor.

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-201 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 dry-docking.

H-102 UTILITIES AND SERVICES (UNIT PRICE)

The contractor shall provide all labor, materials, and equipment and provide, adjust and maintain the drydock and pierside utilities and services specified in this work item for the duration of the contract.

2. REFERENCES

Drawing 396-F705-01-2 – Electrical System

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.

Utilities and Services 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.

NOTE: There shall be no welding on board the ship while the Surveying Equipment is connected to the vessel. Coordinate with the crew for removal of Sensitive Surveying Equipment to facilitate welding.

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 ladder, stairs or other stable and secure means 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

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

2. DESCRIPTION OF WORK

All blasting shall be done from above with the nozzles pointed down toward ground to prevent the spread of blast or water to the upper portion of the vessel.

Scaffolds, cherry pickers or other means shall be provided for use of personnel in blasting/power washing and painting.

Prior to abrasive blasting, precautions shall be taken to protect the hull, equipment, and machinery from flying sand, dust and water discharge. This also applies to blasting on other ships in the vicinity.

All open fans, vents, doors, hatches, antennas and wiring, windows, nameboards, castle, ship’s bell, electrical outlets, navigation lights, wipers, spot light, davits, winches, machinery and deck gear shall be sealed with plastic film or a suitable substitute prior to blasting and painting operations. As an option, equipment may be removed prior to blasting and reinstalled after the last coat of paint has dried.

Special care shall be taken to mask and fully protect the transducers, zinc anodes, and other underwater equipment against abrasion, damage, and painting.

Any damage to the vessel or its components due to lack of or improper painting/blasting protection shall be repaired to original by the Contractor at no additional cost to the Government.

The Contractor shall contact the COR to inspect and approve the blasting/painting protection prior to the start of the blasting process. It shall be the responsibility of the Contractor to maintain the blasting/painting protection for the duration of the blasting/painting process. At no time shall this be a cause for extension of contract time or additional cost to the Government.

The areas of the freeboard and underwater hull of the vessel shall be blasted clean using dry sand, hydro blast or shot blast to a brush-off blast in accordance with Steel Structures Painting Council Specification SSPC SP 7. Care shall be taken to protect the Rub Rail, constituting the top of the freeboard, from damage due to blasting. 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.

Any overspray of new paint shall be removed and all paint repaired to the original color scheme at no additional cost to the Government using the approved AMERON, E-Paint, or Sea Hawk paint system. The contractor shall monitor wind conditions to ensure that no sandblast or paint spray damages nearby vehicles or vessels; the Government will not be responsible for any damages incurred due to improper scheduling and monitoring of the blasting/painting process.

The paint system applied in accordance with the manufacturer’s guidelines and recommendations.

NOTE – Coordinate with Line Item No. H-201, Hull Painting.

H-201 HULL PAINTING & ANODE REPLACEMENT

It is the intent of this work item to paint the entire hull from keel to rub rail and inspect and replace all of the Vessel’s underwater hull sacrificial anodes.

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

ANODES

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. This report is simply for historical records as all sacrificial anodes are being replaced.

Estimate on removing existing anodes, furnishing and installing six hull anodes 6” x 12” and two donut style shaft anodes (2” wide) for 3” shafts. All new anodes shall be the same size and material as the original.

PAINTING

NOTE – 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.

The contractor shall proceed with painting the freeboard and underwater hull in accordance with the following specifications:

• Conduct a visual inspection of the hull and identify areas that require additional blasting due to the anticorrosive system (primers) being disturbed or foreign material not removed by blasting.

• Blast the freeboard areas requiring additional primer and apply 1 spot coat of PPG AMERON “Amercoat 385”, 6 mils wet/4 mils dry. Apply 1 spot coat of PPG AMERON “Amercoat 450HS”, Black, 3.5 mils wet/2 mils dry on any affected area from the deep load line to the top of the bulwarks.

• Apply 1 full coat of PPG AMERON “Amercoat 450HS”, Black, 3.5 mils wet/2 mils dry to the entire freeboard. Estimate on 25% of total surface area above the waterline for additional blasting, and spotcoats of primer and top coat.

• Blast the underwater areas requiring additional primer and apply 2 spot coats of

PPG AMERON “Amercoat 385”, 6 mils wet/4 mils dry. Apply 1 spot coat of antifoulant paint while the second coat of primer is tacky. Estimate on 25% of total underwater surface area for additional blasting, and spotcoats of primer and antifoulant.

After the above paint applications have dried, the underwater hull (from keel to deep load line) shall be painted with two full coats of antifouling paint, 7 mils wet/4 mils dry. The antifoulant paint shall be similar to E-Paint or Sea Hawk Smart Solutions, Black.

Lines shall be cut with a brush or roller, remainder may be sprayed.

All draft marks and vessel name shall be painted with one coat of white color paint, similar to PPG AMERON “Amercoat 450HS”, White, 3.5 mils wet/2 mils dry.

H-202 REPLACE SECTION OF RUB RAIL

It is the intent of this work item to replace a section of the rub rail with a new GFM rub rail.

2. GOVERNMENT FURNISHED MATERIAL

Qty – (2) 10’ Section of (Gilman Corp) Fender, Half ‘D’ Configuration 4”x4”

Provide all labor, materials and equipment to perform and complete the work listed herein.

Replace approximately 14’ section of rub rail on the port bow with new GFM rub rail. The contractor shall remove the existing damaged section and clean off all remaining glue from the hull. Prepare area for installation of new rub rail section. New rub rail section shall be installed with contractor-furnished glue to match color of existing glue. Cut and shape new GFM rub rail section to match contour of existing rub rail section. Secure in place until glue has cured.

H-203 REPLACE MAIN CABIN TOILET (If-Directed)

It is the intent of this work item to replace the Main Cabin Toilet with a new GFM toilet.

Qty – (1) Dometic 711-M28 Toilet System

Qty – (1) Thru Hull Vent Fitting

Qty – (1) Dockside Discharge Fitting

Provide all labor, materials and equipment, except that equipment identified as GFM above, to perform and complete the work listed herein.

Remove existing toilet from head and scrap.

Carefully install the new Toilet and Holding Tank in the vacated spot in the Head, taking care to ensure the proper clearances are maintained to raise and lower the seat and to be able to best operate the flush lever.

Install thru-hull vent fitting, well above the water line and directly above the toilet location.

Exact position to be determined and agreed to by the COR, USACE and the Shipyard, at the time of installation. Run 5/8” hose from toilet to thru-hull fitting and secure with hose clamps.

Install the dockside discharge fitting in the deck, directly above the toilet location. Exact position to be determined and agreed to by the COR, USACE and the Shipyard, at the time of installation. Install a 1-1/2” FPT x 1-1/2” hose barb into bottom of deck fitting. Apply waterproof caulk around deck hole and install deck fitting into 2-1/4” hole with screws. Install 1-1/2” MPT x HUB adapter into discharge fitting on holding tank. If necessary, PVC cement elbow and hose adapter or hose adapter only unto 1-1/2” adapter. Secure 1-1/2” hose to adapter with hose clamp.

Route hose from holding tank to deck fitting and secure with hose clamp.

H-204 MODIFY SURVEYOR’S STATION

It is the intent of this line item to replace the 2 drawer file cabinet at the Surveyor’s Station with new Government Furnished Furniture.

Qty – (1) Single Drawer unit under desk mounted cabinet

Qty – (1) Three Drawer unit under desk mounted cabinet above, to perform and complete the work listed herein.

Remove and scrap the existing 3 Drawer file cabinet at Surveyor’s Station.

Install a section of 2-1/2” square aluminum tubing, approximately 54” long, from leg to leg at the height determined by the three drawer unit to facilitate it’s installation. Install a second section of tubing from the first section up to the existing section above, as determined by the width of the three drawer cabinet. Install a third section of tubing approximately 34” long, from the second section to the right leg at the height determined by the single drawer unit to facilitate it’s installation.

Install new GFM cabinets by securing to the square aluminum tubing with all necessary hardware to ensure that it is soundly attached to the remaining work table and in accordance with all recommended Manufacturer installation instructions.

H-205 MODIFY HELM CONSOLE & INSTALL NEW ELECTRONICS EQPT

AND MONITORS

It is the intent of this line item to remove the existing monitors and equipment at the Helm Station, modify the mounting surface and install new Government Furnished Material to facilitate the operation of the Vessel and Surveying Mission.

Qty – (1) Simrad NSS16 evo3s Combo MFD w/C-Map US

Qty – (1) Simrad GS25 GPS Module

Qty – (1) Simrad SS60 12DEG 50/200KHZ 9-Pin Thru Hull

Qty – (1) C-Map Reveal Coastal Nova Scotia to Chesapeake Bay

Qty – (1) Lowrance N2K Micro-C Backbone Starter Kit

Qty – (1) Prop Speed Foul Free Kit Transducer Coating

Qty – (1) Simrad 000-00129-001 Video Cable for NSS Series above, to perform and complete the work listed herein.

Remove all monitors from the console above the Engine Monitoring Console and save for reinstallation and/or Government disposition. Remove the Rudder Angle Indicator and retain for relocation after console modifications are completed.

Contractor shall remove the raised center section of the console, a trapezoidal box approximately 11”(h) x 15”(w) x 12”(l) and properly dispose of.

Contractor shall then weld new plate, in the same plane as the remaining surfaces to close the opening left by the removals and provide a surface for the mounting of monitors. Layout of the monitors and the instrumentation shall be coordinated closely with the Vessel Operator and the

COR.

Contractor shall install the Simrad Thru Hull Transducer at a position on the hull as determined by the Survey Section and the COR. All manufacturer’s recommendations and installation instructions shall be adhered to.

Contractor shall re-route and/or install new cabling to facilitate the complete connection of all system components to their associated monitors and the newly installed Multi Function Display

(MFD).

The Corps of Engineers intends to have a Simrad Factory Authorized Representative provide consultation and proper system commissioning to validate the proper installation of the full electronics, navigation package upon completion of Shipyard installation.

H-206 INSTALL NEW DISTRIBUTION PANEL & REPOWER FIRE PUMP

It is the intent of this line item to install a new 120/240V electrical distribution panel, move all existing circuits to the new panel and repower the Fire Pump with 240V in lieu of the existing 120V connection, which creates an excessive, initial current draw.

Qty - (1) Electrical Distribution Panel above, to perform and complete the work listed herein.

Contractor shall disconnect all cables from the existing 120/240V electrical distribution panel located on the half wall just behind the operator’s station, remove and dispose of the panel.

The Contractor shall then make any and all modifications to fit the new panel into the remaining opening. Reconnect all existing circuits to the appropriate circuit breaker size in the new panel.

Contractor shall size and source a new 240V two-(2) pole circuit breaker and run new feed to the Fire Pump located on the Starboard side of the Engine Room.

H-207 CLEAN FUEL TANKS AND REPLACE FUEL SYSTEM VALVES

It is the intent of this Line Item to completely clean the Fuel System of the vessel and replace the seven – (7) ball valves accessed from the Main Cabin, that facilitate the operation of the fuel delivery from the tanks to the equipment.

Pump out all of the Vessel’s remaining fuel and store in a clean, suitable holding tank until the work has been completed, at which time the fuel can be returned to the Vessel. The Contractor shall provide, secure, and maintain the tank being used for storage of the fuel. The tank shall be inspected by the Government for cleanliness prior to the transfer of fuel.

The Contractor shall remove access covers on both Port & Starboard tanks to facilitate cleaning the tanks. After removal of all tank contents to include fuel, sludge and/or sediment, the interior of tanks shall be wiped down with clean lint-free rags. Any deposits left after wiping shall be removed by use of an approved solvent or by scraping.

The Contractor shall provide proper ventilation of tanks and Main Cabin in which work is required or men are required to enter.

New access cover gaskets shall be fabricated and any missing or defective fastenings shall be replaced at contractor’s cost.

The Contractor shall replace all seven – (7) ¾” ball valves located in the void space beneath the Main Cabin deck. Two of these valves are emergency fuel shut off valves and will need to be reconnected to the handle/cable assemblies in the Main Cabin. Proper operation of the emergency shut off valves will be demonstrated for the COR, for both opening and closing the valves.

PART II

M MACHINERY SECTION ITEMS

M-101 PERFORM 10000 HR ENGINE SERVICE

It is the intent of this work item to perform a routine maintenance of two Caterpillar C-18 Engines, using a Factory Authorized Caterpillar Representative.

Provide the services of an authorized Caterpillar Service Technician to perform service and maintenance on both CAT-C18 engines. The engine serial numbers are: Starboard side - C1J00287 and Port side - C1J00353. The previous major maintenance was performed at ~ 9,200 hours in Dec 2020. The engines currently have ~ 10,500 service hours.

The contractor shall furnish all parts, equipment, labor, travel, material and inspection services necessary to inspect, service, and maintain the two Caterpillar C-18 engines as outlined in the OEM maintenance manual.

NOTE – The vessel has a critical schedule to maintain and cannot afford to extend beyond the period of performance. For this reason some elements of the recommended maintenance as prescribed in the OEM maintenance manual may not be performed unless deemed absolutely necessary by Caterpillar.

Replacements shall include, but are not limited to, belts, crank case ventilation filter, jacket water regulator, zincs, sea water pump impeller, and all engine fluids, and filters. Inspections shall include but are not limited to the heat exchanger, condensate drain valves, engine mounts, starter, block heater, hoses, turbocharger and crankshaft vibration damper. Adjust intake and exhaust valves. Perform Borescope inspection of all cylinders. Take fluid samples and provide results to the Government.

Perform compression tests on each cylinder, on both engines.

Remove, clean, and pressure test the heat exchanger and oil cooler cores. Remove the aftercooler cores and clean and pressure test. Remove, clean, and pressure test the reduction gear transmission oil heat exchangers.

M-102 INSPECT AND REPLACE ENGINE MOUNTS

It is the intent of this work item to do a thorough inspection of the Caterpillar C-18 Engine mounts and make the necessary repairs/replacement should that be needed.

The Contractor shall inspect the hardware on all four engine mounts on each propulsion engine. Any broken hardware shall be brought to the immediate attention of the COR.

The contractor shall bid this item to include the replacement of one engine mount, either forward or aft mount. The engine mounts are from Ace Mountings Company, model numbers 783-A for the forward end and model 784-B for the aft end of the engine.

Secure the engine in position prior to replacing the defective mount.

Take alignment readings before and after replacement of the mount to ensure alignment has not been affected.

Coordinate engine mount replacement with work under Line Item No. M-101.

M-103 REPLACE ENGINE EXHAUST BRACES

It is the intent of this work item to replace both Engine’s Exhaust bracing.

The contractor shall provide all necessary labor, material, services and equipment to replace the port & starboard engine exhaust braces as shown on the attached photo.

Remove the existing mounts, grind smooth all welds and furnish and install new stainless steel braces on both the port and starboard engines.

M-201 INSTALL NEW GENERATOR (If-Directed)

It is the intent of the Government is to replace the existing Northern Lights Generator with a rebuilt model with the same electrical characteristics.

The contractor shall provide all labor, materials and services to accomplish the replacement of the generator set.

Remove the existing Northern Lights Generator Set. It is located along the forward bulkhead in the engine room.

NOTE – The contractor shall provide the services of Caterpillar to disconnect and remove the Cat Marine Power Powertrain Control Processor and Cat Marine Power Junction Box prior to the removal of the existing generator and to reinstall and reconnect same after reinstallation of existing generator. These components shall be removed from the Engine Space and stored for reinstallation.

It is intended to keep all wiring harnesses and control systems in place for this installation, just changing out the Engine/Generator Set and restoring mechanical and electrical connections.

There is a deck hatch directly above the unit which measures 64” x 29”. It is not anticipated that there will be any work required to adapt the new unit to the existing foundation, given the new unit is the same Manufacturer and Electrical size as the unit being removed, however this has not been verified.

For the generator, upon completion of installation the contractor shall accomplish the following:

• Demonstrate the correct frequency read-out to the COR.

• Verify that all gages and meters function properly and display the correct read-out.

• Demonstrate to the COR the proper functioning of the shutdowns and alarms.

For the generator engine, the contractor shall accomplish the following:

• Demonstrate to the COR the proper functioning of the shutdowns and alarms.

• Verify all gages and meters function properly and display the correct read-out.

The aforementioned work shall be accomplished in accordance with the manufacturer’s installation, maintenance and service requirements.

M-701 INSPECT SHAFT SEALS AND BEARINGS

It is the intent of this Line Item to do a complete inspection of the shaft seals and bearings and provide a report of findings.

The Contractor shall inspect the Shaft Seals and Cutless Bearings on both the Port and Starboard Shafts. Any excessive wear shall be brought to the immediate attention of the COR.

The contractor shall bid this item to provide a visual inspection of all shafts and seals and measurements of cutless bearing remaining thicknesses in 6 locations 60 degrees apart for both shafts. Contractor shall submit a report detailing the conditions found, including readings for both shafts with any recommended repairs that are deemed necessary.

Any repair work that is deemed necessary will be covered under Line Item M-901.

M-702 REPLACE PROPELLERS (If – Directed)

It is the intent of this Line Item to inspect the Vessel’s Propellers and replace with a new set, should the existing Propellers be found to be in worn condition.

USACE will inspect both of the Propellers for uniformity, bent blades and dings. Any major anomalies will dictate whether or not to exercise this Line Item.

The contractor shall bid this item to include the replacement both Propellers and if it is deemed necessary this line item will be activated for replacements. The rudders will require removal to facilitate Propeller replacement.

All labor and miscellaneous hardware and consumables shall be the responsibility of the Contractor. USACE shall supply the new set of Propellers.

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. 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. See Section H - Special Contract Requirements, Paragraph H-11, entitled "Change Proposals", for requirements of 2-Way Memo submission. The contractor, in connection with any proposal he makes, or the Government requests for a change 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) 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 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 100 LABOR HOURS. PRICE PER HOUR.

The HOURLY RATE bid for this item shall 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. 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…