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Feb. 2011:
Of the few floating bridges in the world only one spans the corrosive elements of salt water. Extending 6800' with a mid section that opens for marine traffic. It stands against multiplied strains of forceful currents and wind-driven waves. Its anchor cables run out thousands of feet to cement anchors placed at depths to 330 feet. R/V Cascade and our ROV team work to annually inspect these cables and anchors. Our last inspection was January 2011.

R/V Cascade
Length 50 feet, Beam 16 feet, Draft 7 feet, 39 Tons

Cascade downtown Port Townsend
Click here for photos

800 gallons fuel, 100 gallons water, plus 14 g.p.h. Water Maker. Economy cruise 10 knots @ 11 g.p.h., Fast cruise: 16 knots @ 30 g.p.h., Maximum cruise 18 knots @ 42 g.p.h. Twin 405 hp (2005) Cummins QVC Diesels. WESMAR, Hydraulics on each engine, WESMAR 40 hp hydraulic bow thruster. Four helm stations, allowing complete control from anywhere on the vessel.
Work Equipment

150 lb. Main Anchor with 1000' spooled chain & cable on Hydraulic driven windless rated 40,000#. Towing Bit Rated 40,000# with Hydraulic driven windless and spooled cable. "Plasma" Tow Line, 1000 feet of 38,000# test. 360 degree swing Crane, 16 extension, One ton Davit, over stern for Side Scan, and a 200 lb capacity roller chock over stern for grapple, down lines and extra anchoring lines. Tender 10' 25hp Bullfrog, capable of 30 knots, with GPS and Depth Sounder. Electronics include, DGPS, WAAS, Radars, and Sonar. Lugger silenced 8 kw Generator. 24 volt Inverter, DC to 110 volt AC. Computer rack, DVD and VHS recorder. Bauer Diver Compressor rated at 3.9 CFM to 3,000 psi. Diver Elevating Stern Platform. Diver hot fresh water rinse and equipment drying

Emergency

4 person SOLAS Life raft, 4 emersion suits, and other assorted equipment. Fire pump, AED, Trauma, O2 and Burn kits. De-Water Pumps, One hydraulic 3" pump rated@300 g.p.m., One Diesel 3" pump rated@ 300 g.p.m. Lift Bags, oil sweeps, pads and damage control equipment.

Mission Related Equipment

Side Scan Sonar- Marine Sonic 150kHz & 600kHz - 500' depth capability; Computer; SeaBotix R.O.V.-150 Meter depth, 250 Meter Umbilical; Proton Mag magnetometer; 400 foot depth Color Drop Camera; Scuba tanks; and Additional Lift Bags. Accommodations for Five. Four Bunks below, Pilot House bunk, Head & Shower, Washer/Dryer, Hydro Heating, microwave, oven, stove top, refrigerator, freezer, and DVD/recorder.