Caltrans says the repairs, on Iverson Road near the 118 Freeway, include relocating utility cables.
They plan to alert residents ahead of time about the outages when service is switched to the new lines.
Chatsworth sinkhole grows bigger amid leaking sewage
Chatsworth sinkhole grows bigger as crews salvage wreckage amid leaking sewage
Earlier this month, the sinkhole swallowed two cars during the stormy weather.
The Los Angeles City Council approved about $500,000 in emergency funding to speed up repairs.