Ads
related to: aluminum bunks for pontoon lift equipment craigslist
Search results
Results From The WOW.Com Content Network
The Navy Lighterage pontoon (NLP) was a type of pontoon developed in World War II by Capt. John N. Laycock Civil Engineer Corps (CEC) and used by United States Navy Construction Battalions [1] on invasion beaches and shallow harbors or harbors where the facilities had been destroyed or did not exist. It was referred to as the Seabee's "magic box".
The design utilized a mild steel hull and an aluminum superstructure. The Coast Guard Yard discontinued building the 95-foot Cape-class cutter to have the capacity to produce the 82-foot Point-class patrol boat in 1960. [2] They served as patrol vessels used in law enforcement and search and rescue along the coasts of the United States and the ...
A small motor-boat lifted from the water by a travel lift at La Rochelle, France, 2016. A travel lift or travelift (also called a boat hoist, boat gantry crane, or boat crane) is a specialised type of crane used for lifting boats out of the water and transporting them around docks or marinas. [1]
A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load that they can carry. Most pontoon bridges are temporary and used in wartime and civil emergencies.
The light ponton company consisted of a headquarters platoon, two bridge platoons, and a light equipage platoon. Its equipment included: Two units of pneumatic 10 short tons (9.1 t) bridge equipment (M3) Two units of footbridge (M1938) equipment; Four ferry set, No. 1, Infantry Support; Twelve raft, set No. 1, Infantry Support; Seventy assault ...
These semi-submersible crane vessels (SSCV) consist of two lower hulls (pontoons), three columns on each pontoon and an upper hull. Shortly after J. Ray McDermott and Saipem also introduced SSCVs, resulting in two new enormous vessels DB-102 (now Thialf) and Saipem 7000, capable of lifting respectively 14,200 and 14,000 tons.
The first type of crane machine was the shadouf, which had a lever mechanism and was used to lift water for irrigation. [ 3 ] [ 4 ] [ 5 ] It was invented in Mesopotamia (modern Iraq) circa 3000 BC. [ 3 ] [ 4 ] The shadouf subsequently appeared in ancient Egyptian technology circa 2000 BC.
Generally jackup rigs are not self-propelled and rely on tugs or heavy lift ships for transportation. Jackup platforms are almost exclusively used as exploratory oil and gas drilling platforms and as offshore and wind farm service platforms. [2] Jackup rigs can either be triangular in shape with three legs or square in shape with four legs. [2]