Starting today, Off the Grid is bringing lunch to Second and Folsom Streets every weekday for the next four or five months.Two food trucks will be parked in front of 303 Second Street, an office-retail space currently undergoing renovations, from 11 a.m. to 2 p.m. The rota starts with Bacon Bacon and The Chairman (formerly Chairman Bao), who will appear on Mondays. Tuesdays bring Koja Kitchen and Liba Falafel, Wednesdays Doc's of the Bay and Phat Thai. Kasa Indian and Fins on the Hoof arrive on Thursdays, and Arki Truck and Smok'n Warehouse pull up on Fridays. Employees of CNET and other nearby office workers might want to consider sending out several silent prayers to the god of street food.