John W. Gilbert Associates

HOME
HISTORY
SERVICES
PROJECTS
DELIVERIES
CONTACT
350 Lincoln Street Suite 2501
Hingham, MA 02043
( 781 ) 740-8193
inbox@jwgainc.com

Coastal Transportation Inc. took delivery of the Aleutian Trade Vessels the Coastal Progress and Coastal Nomad. The cargo ships were converted supply vessels. Coastal ProgressCoastal Transportation came to John W. Gilbert Associates through its past work on similar vessels needing an increase in speed. We provided speed and power analysis, stability calculations, stability test and all construction plans for a new bulbous bow and stern extension. Our efforts in this project created vessels that go 3 knots faster, carry 80 long tons of additional freight, burn 20,000 gallons less fuel per trip and allow for up to 5 additional round trips per year between ports.

Wells Seafood Company took delivery of their second scalloper built at Duckworth Steel Boats in Tarpon Springs, Florida. This vessel is a sister to John W. Gilbert Associates Design D-286 the F/V Carolina Girl and is powered with a 650hp, Caterpillar 3412. Improvements to this design include subdivision standards to meet current regulatory requirements, a larger aft deck house for plate freezers and a shucking house and cutting table for the Captain.

F/V PolarisEastern Fisheries of New Bedford took deliver of the Scalloper F/V Polaris which was built at Duckworth Steel Boats. The F/V Polaris is a sister ship to the F/V Neskone built in 2006 at Eastern Shipbuilding. The F/V Polaris is powered with a Caterpillar 3508 rated 900 horsepower at 1600 rpm coupled to a Reintjes WAF 561 reduction gear.


P/V Big M Casino Eastern Shipbuilding delivered a new John W. Gilbert Associates designed casino boat, Big M Casino, to its owners in March 2005. The 186’ LOA vessel carries 500 passengers and operates out of Ft. Myers Beach, FL. JWGA produced all calculations, plans, and specifications for construction by Eastern Shipbuilding and approval by the US Coast Guard. The firm created detailed drawings for all of the structure, machinery, mechanical systems, electrical, profiles and arrangements, and life safety. The Big M Casino includes two decks of casino gaming areas, one indoor and one outdoor dining area, three full service bars, and a live entertainment area. The luxurious boat also features extensive crew offices for the control and monitoring of all casino operations on board. The vessel will operate year round with several daily cruises.
Vessel Length…………………..186 ft. (56.7 m)
Vessel Beam……………………...38 ft. (11.6 m)
Vessel Depth…………………….11.5 ft. (3.5 m)
Vessel Draft………………….…...…8 ft. (2.4 m)
Main Engines…………...……..…2 x CAT 3508
Output……………..…….1100 hp at 1800 RPM
Gears………………………...…...Twin Disc 5301
Propellers………………......Rolls Royce 5-Blade
                                 60” Dia. New Generation
Power Generation…….2 x CAT C-18 425 kW
Fuel………………………………….......7000 gal
Speed………………………………….....15 knots
Capacity………………………....500 Passengers
Gaming Equipment…….250 Slots & 12 Tables
P/V Big M Casino Interior
The 105 ft. passenger ferry, Catalina Duchess, was purchased in August 2005 from Boston Harbor Cruises by Catalina Classic Cruises in San Diego, CA. P/V Catalina Duchess The existing systems on the vessel were surveyed by John W. Gilbert Associates to assess the overall condition of the vessel and the level of appropriate changes necessary for the vessel to be upgraded from 150 passenger service to 300 passenger service. JWGA engaged in a thorough review and plan production strategy to gain approval by the USCG Marine Safety Center. Some of the major changes to the vessel included the installation of a structural fire protection throughout where there previously was none, a revamp of the electrical system, and the installation of an additional stair to the 01 deck. An inclining test has recently been performed on the vessel and she is currently in service between Long Beach, CA and Catalina Island.
P/V Governor Curtis Another consulting job that has recently been finished is the exhaust stack addition for the passenger/vehicle ferry, Governor Curtis. After the work on the stacks was complete, the JWGA team performed a deadweight survey and stability analysis on the vessel. The Governor Curtis is back in service between Bar Harbor, ME and Maine.
F/V Neskone The owner of the 88'-4" LWL Scallopers built in 2002 & 2003, Ranger and Resolution, commissioned John W. Gilbert Associates to alter the plans for the scalloper to a length of 86’-4”. The new vessel has a main engine to suit the license of the owner and also incorporates generator changes to meet new EPA emissions standards as well as other machinery changes in the area of HVAC equipment. A captain’s shucking house was also added to the design of the shorter vessel. This commercial fishing vessel operates out of New Bedford, MA. She has one 900 hp CAT 3508 main engine, two 72 kW CAT 3054 diesel generators, and one CAT C-18 hydraulic engine. She has accommodations for up to 11 crew members and a fish hold capacity of 5400 cubic ft.
The P/V Carol Jean, a triple screw 175 ft LWL passenger vehicle ferry, was repowered with new 1200 hp Cummins engines. The project required extensive modifications not only to the engine systems, but to systems and structure throughout the vessel. The existing engines were removed and replaced as well as P/V Carol Jean the skegs and struts. Other changes to the vessel included adjustments to the foundations, new exhaust systems, stack, electrical, shafting, engine cooling, engine room ventilation, fuel and lube oil system changes. A new sewage tank was also added and a new seating arrangement was created. The work on the Carol Jean is now complete with the vessel having gained four and a half knots in the process. She is back in service from Point Judith, RI to Block Island.
S/V Poincare JWGA completed updates to all of the shipboard mechanical and electrical systems for the sailing vessel Poincare in an effort to bring her into compliance with the USCG inspection requirements for 49 passenger service in and around Boston. The vessel underwent a number of changes at Boston Boat Works to accomplish the level of safety required by Subchapter T. Our office has generated all of the necessary plans for review and has performed a stability test on this vessel as well to determine the quantity of sail she may carry.
This 160 FT LOA Catamaran Passenger Vessel, P/V Jessica W. was purchased in Mexico in early 2004 by Cross Sound Ferry Services. JWGA prepared plans and calculations for changes to machinery, safety systems, and general arrangements. The scope of work was quite extensive including a re-powering with new engines, foundations, and exhaust; updates to the structural fire protection throughout the vessel; addition of an automatic sprinkler system; super structure additions; P/V Jessica W. tonnage calculations; loading platform; electrical system; ride control system; sliding water-tight doors; bilge system; shift of fuel tanks; emergency generator room and emergency generator addition; engineer control room addition; changes to the seating arrangements and food services area; rescue boat davit modifications and new rescue boat. The firm also performed tonnage calculations, a stability analysis with a deadweight survey, and also completed life saving and safety plans for the renovated ferry. The vessel began service between New London, CT and Block Island in August 2004.
F/V Sea Watcher The 134'-0" LOA F/V Sea Watcher was completed at Patti Shipyard in Pensacola, FL in October 2004. The clam dredge vessel's hull was designed by John W. Gilbert Associates, with most of the detailed engineering completed in-house at Patti. The Sea Watcher is owned by Truex Enterprises and operates out of Mayetta, NJ. This single screw vessel can carry 132 clam cages.
F/V Starlight Another clam dredge vessel was recently completed and delivered to Truex Enterprises. This 122'-0" LOA vessel, F/V Starlight, was launched in April of 2004 at Eastern Shipbuilding, inclined by JWGA in June, and delivered to New Jersey in July. This clam dredge vessel has a capacity to carry 102 cages and accommodations for 6 men. The 1100 hp main engine drives a single screw.
F/V Resolution
The 88'-4" LWL F/V Ranger and her sister, the F/V Resolution were delivered in 2003. The scallopers will operate out of New Bedford, MA. Each vessel has one 1100 hp CAT 3512 main engine, two 72 kW CAT 3054 diesel generators, and one CAT 3406 hydraulic engine. They have accommodations for up to 11 crew members and have a fish hold capacity of 5400 cubic ft.
Grand Republic
The Grand Republic was launched in May 2003 at Eastern Shipbuilding in Panama City, FL. She is the sister to the P.T. Barnum, which was delivered in 1999. The 300' passenger/vehicle ferry is in service between Bridgeport, CT and Port Jefferson, NY.
New London JWGA developed plans for the midlife retrofit of the passenger/vehicle ferry New London. A fifty foot section of midbody was added giving the vessel an overall length of 260 feet. This project was completed in February 2003 and the vessel returned to service in Connecticut. Other recent deliveries include a fiberglass water-jet driven whale watch boat in Kennebunkport, ME.