Install modular electrical backup system with capacity for providing 70
amps of emergency power in two 240-volt circuits and six 120-volt
circuits. Assume existing propane gas supply. Include generator mounted
on 2-by-4-four-foot concrete or composite pad, automatic transfer
switch, load center, exterior disconnect, and grounding rod. Include 30
feet of conduit and electrical cable for generator connections; grounded
cable for circuits; 5 feet of flexible fuel line for connection to
existing rigid gas supply line; and automotive-type storage battery.