15 August 2002
caisson. Operate main motors at 460 volts. Operate heater and fan motors on 120
volts, obtained from a transformer provided in each starter. Operate lights and
Provide controls, circuit breakers, and similar items, as necessary.
Ballast Tank Alarms
. Provide high and low water alarms for the main
ballast tanks. Alarms should annunciate either in a space that is continuously manned
or on the caisson weather deck.
Miscellaneous Fittings. The following miscellaneous fittings are
Companionway ladder or ladders with railings.
Vertical fenders to ballast compartments.
Timber fenders both sides of hull.
Cast steel chocks, cleats, and double bitts.
Non-skid surfacing on weather deck. Do not use a bituminous surface.
Hinged or portable ramps (where required) for providing pedestrian
access or vehicular access to roadway on caisson.
Hand railing (galvanized or other corrosion resistance).
Access manholes and machinery hatches.
Capstan installations for line handling and warping out of and into drydock
seat or to mooring location.
Visible and audible water alarm on weather deck.