Yes. DA compliance triggers per 11B-202 of LABC, when there is an alteration to a building or site as defined in Chapter 2, Section 202 of the Building Code.
Detectable warnings/truncated domes are required at platform edges, curb ramps, islands or cut-through medians, bus stops, hazardous vehicular areas, reflecting pools, and track crossings.
Do I need an electrical permit when modifying existing wiring?
Any time you alter, repair, add, relocate, or modify existing electrical wiring, you will need an electrical permit. Refer to section 93.0201 for a list of exceptions.
Yes, if the installation involves a (1) communication circuit or class 2 signaling circuit over 30 volts or under 30 volts but more than 100 va, (2) amplifier circuits not using class 2 or 3 wiring, or (3) any circuit operating over 15 volts that control, generate, transmit, transform, or utilize