Tar Jute Bridge Submarine Cable
These robust multi-conductor 600-volt signal cables are specifically designed for underwater use and comply with the requirements for bascule, lift, and swing bridges, as well as for direct burial applications. They can be tailored to accommodate specific combinations of power, signal, and control circuits, including fiber optic components, with capacities of up to 125 conductors and diameters of up to 5 inches (12.7 cm). Additionally, an empty duct can be included to allow for future installation of fiber-optic cables.
The unique tar/jute coating encases and protects the cable, preventing water from reaching the steel armor. These cables are the result of a long-standing partnership with the U.S. military and the U.S. Department of Transportation (DOT), and they are engineered to perform reliably under the most challenging conditions.
The features listed are standard, but they can be modified as needed. Interested parties are encouraged to contact for more details.
Specifications and Ratings
- ICEA S-95-658, NEMA WC-70
- ICEA S-73-532, NEMA WC-57
- BIW Specifying Standard SC-01
Design Parameters
Conductor: Annealed uncoated copper to meet ASTM B-3, stranded to meet ASTM B-8, class B stranding, and ICEA S-95-658, NEMA WC-70.
Insulation: Crosslinked polyethylene (XLPE) meeting ICEA S-95-658, NEMA WC-70. The insulation meets accelerated water absorption per Electrical Method EM-60. Insulation thickness for 600V and 2000V are shown on the back.
Circuit Identification: Surface printed legend with number/color (1-BLACK, 2-WHITE, 3-RED, etc.) per ICEA S-73-532, NEMA WC-57-1990, Method 3 and Table E-5 or E-1 as required.
Assembly: Cable components are cabled together with jute or polypropylene as required by the application. The cabled core is wrapped with a moistureresistant binder tape. Lay length and directions conform to ICEA S-95-658, NEMA WC-70.
Inner Jacket: Weather and UV-resistant high density polyethylene (HDPE) per ICEA S-95-658, NEMA WC-70. Jacket thickness varies per cable diameter; see chart on back
Inner Jute Bedding: Tar/asphalt impregnated jute per ICEA S-95-658, NEMA WC-70. Jute thickness is shown on the back.
Armor Wire & Flooding: Galvanized steel wire per ICEA S-95-658, NEMA WC-70. Armor is flooded with tar/asphalt.
Outer Jute Bedding: Tar/asphalt impregnated jute per ICEA S-95-658, NEMA WC-70.
Flooding/Jacket: Hot tar/asphalt coats and seals the outer bedding.