Electrical Distribution System/electrical plans/electrical calculations must include the following specifications:
- Specifications of park service equipment and manufacturer.
- Specification of the voltage, ampere and interrupting capacity rating, type and class of the overcurrent protective device in the park service equipment.
- Ambient temperature design based on California Code of Regulations, title 25, section 1142.
- Specify voltage, ampere, and interrupting capacity rating, type and class of overcurrent protective device for the primary system feeders and/or transformers.
- Specify type of conductors, i.e., CU or AL; type of insulation; voltage rating; and temperature rating.
- Provide specifications for transformers and unit substations.
- Specify primary and secondary voltages, KVA ratings, and impedance of transformers.
- Provide specifications for secondary distribution panel boards or that portion of the unit substations.
- Specify voltage, ampere and interrupting capacity rating, type and class of the overcurrent protective devices for the secondary system feeders.
- If the system is installed or owned by a utility company, provide a letter confirming such service, including information regarding the point of termination.
- Complete electrical specifications, plans, and calculations are required if the point of termination does not comply with California Code of Regulations, title 25, section 1184.
Electrical Plan
Electrical Plan details must include the following:
- Single line diagram of park electrical system, including the park lighting system.
- Indication of location(s) of all equipment devices and conductors in the system.
- Indication of circuit length, conductor size, and distance to center of load.
- Details of conduit installation and size.
- Details of conductor installation.
- Details of equipment installation and mechanical protective barriers, if required.
- Details of correct method of grounding system and equipment.
- Details of park lighting installations.
- For systems exceeding 230 volts, the signature of a California registered engineer.
Electrical Distribution System
Electrical Distribution System plan calculation details must include the following:
- Load calculations for all loads served, not to exceed a total combined voltage drop of 5 percent for any total run.
- All buildings in load calculations.
- Written evidence from the serving utility indicating the available fault current at the park service. (See New Park Construction - Local Government and Utility Agency Approvals above.)
- Calculations utilized to determine interrupting capacity of overcurrent protective devices for each transformer.
- Calculations used to determine interrupting capacity of overcurrent protective devices for secondary system feeders.
- Park lighting calculations to verify compliance with California Code of Regulations, title 25, section 1108.
- For systems exceeding 230 volts, the signature of a California registered electrical engineer.