Key Biscayne Master Plan 043944000.18w_Key_Biscayne_MP(forJooMag) | Page 46

VILLAGE OF KEY BISCAYNE UNDERGROUNDING OF UTILITIES — MASTER PLAN
Screened FPL transformer
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 Electrical equipment shall be located so it can be accessed easily
by truck.
 Transformers will be located based on electrical loading
requirements. For example, a home with a large electrical service
may need a single dedicated transformer. Conversely, homes with
smaller electrical services may be able to share a single transformer.
 Transformers should be located on one side of the street to the
extent practical.
 Transformers shall be the “low profile” style to the extent practical.
In certain situations, such as three phase services and large
services requiring service greater than 75kVA, a “regular” style
transformer shall be used.
 Concrete transformer pads shall be 6" in height unless the 24"
pads are otherwise requested by the Village or circumstances
require their use.
 Electrical equipment requires 3 feet of clear area on the sides and
rear of the equipment and 8 feet in the front of the equipment for
access and maintenance. Standard switch cabinets and capacitors
require 8 feet of clearance on all sides of the cabinet.
 Existing handholes connected to existing electrical services to the
building/facility may be reused if they are located near the front
street. Conductor may need to be replaced depending on the load.
Existing handholes located at the rear of the property will not be
allowed to be reused if the service is being converted from the rear
to the front of the lot. This is for safety, maintenance, and to prevent
unauthorized connections.
 New conduit will be installed between the transformer and the
facility service entrance or existing handhole, as applicable, to
contain the service or secondary service cable.
 Facility service entrances shall meet current NEC standards for
connection to the new underground system.
 Overhead facility services will be converted to an underground
location. This may require replacement of the service entrance if the
meter can cannot accommodate new underground conductors.
Overhead weather heads will be abandoned in place.
To plan for the improvements required to implement the underground
conversion of electric utilities in the Village, Kimley-Horn met with FPL on
numerous occasions to discuss proposed routing for new underground
feeders, main feeder switches, and capacitors. The existing subaqueous
transmission line under Biscayne Bay from the mainland to the substation
will remain as is. The existing underground feeders leaving the substation
into the Village will be reused and their respective service areas will remain
generally the same based on electrical loading demands.
To minimize the cost to transition back to the existing overhead system and
minimize disruption to the residents, phase boundaries were determined at
locations that would encompass the entirety of the adjacent right-of-way
and only impact residents through one phase of construction. Additionally,
phase lines were selected where existing poles are located or where
temporary transition poles could be minimized and set to allow for clean
transitions between phases.