HARBOR SYSTEM MASTER PLAN - City and Borough of Sitka

Fisherman’s Work Float
Sitka Harbor System Master Plan
Condition Inventory
Existing Systems
The electrical systems at the Fisherman’s Work Float consist of power distribution and lighting. The
power and lighting systems are owned and maintained by the City and Borough of Sitka. The facility
was constructed in 1988 with minor modifications since.
Power Distribution System:
The power system includes a service feeder from a padmount utility transformer to service equipment
located near the access to the Approach Dock. The transformer is a single phase, 120-240 volt utility
padmount type installed on a concrete pad.
The service from the transformer to the service equipment consists of a 2-1/2 inch PVC conduit with
three No. 4/0 conductors. The service equipment includes a single 200 ampere rated utility meter and
two main disconnects. One disconnect/circuit breaker, rated at 200 amperes, serves the Work Float.
The other, a 20 ampere, single pole circuit breaker serves the Approach Dock lighting.
The feeder to the Work Float consists of a 2-1/2 inch conduit beneath the Approach Dock with 4/0
conductors to a junction box near the gangway, and a four conductor, No. 4/0, Type W cable routed in
PVC on the gangway to the float. The cable is routed beneath the float decking to a panelboard
mounted on a support frame near the West piling structure.
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