Plan Description - City of Tustin

Chapter 2 • Plan Description
2.13 ELECTRICITY
The County of Orange Flood Control District has existing channel
easements for the Peters Canyon Channel, the Barranca Channel, and the
Santa Ana/Santa Fe Channel. However, additional right-of-way is needed
for intended improvements to each channel. With the exception of the
Peters Canyon Channel right-of-way, which will be recommended as a
public conveyance, it is recommended that right-of-way for the Barranca
Channel and Santa Ana/Santa Fe Channel be secured as an offer to
dedicate to ensure that only right-of-way actually necessary based on
further designs for these channels will be ultimately taken.
Detention basins were investigated to handle storm flows in the Specific
Plan area. Detention basins and/or swales are feasible and can be
incorporated into the design of the community to reduce peak flows and
provide treatment for water quality purposes. During a severe storm,
basins may be subject to inundation. After the storm flows have receded,
the basins and swales would drain back into the system. The use of
detention basins will result in a reduction in pipe sizes and in a lower
overall cost of the drainage system.
Southern California Edison (SCE) is the jurisdictional agency currently
responsible for providing electricity service to the Plan area. However,
base closure law and recent utility deregulation permits provision of
electrical service through the local government or through a third party
provider (not necessarily SCE). The site is presently served by four
substations (Chestnut, Bryan, Estrella & Johanna) located off-site. The
service is provided by a network of overhead and underground electrical
lines. These lines will be removed and replaced in a phased manner with a
new underground electrical system in the Plan's arterial right-of-ways to
support the new land uses.
The proposed electrical backbone system is shown in Figure 2-11 and was
developed in coordination with SCE. It is estimated that 51,572 kVA
would be required to support the proposed land uses. According to SCE,
the existing substations have sufficient capacity to meet this demand.
Therefore, construction of additional substations will not be required.
According to SCE, it is anticipated that most non-housing area electrical
facilities would need to be replaced. Major facilities are antiquated and
may not be acceptable. Housing areas east of Peters Canyon Channel are
currently served by a combination of master and individual meters.
Existing facilities have been replaced and master metered units will need
to be converted to individual metering. The new facilities will be
integrated into the proposed roadway system in
underground ducts and vaults.
City of Tustin
Page 2-102
MCAS Tustin Specific Plan/Reuse Plan