210 - CATCH BASIN TYPE 'A' 211 - CATCH BASIN MOUNTAIN ROADS 213 - STORM DRAIN CLEANOUT 214 - MANHOLE FRAME AND COVER - PARKWAY 214 - MANHOLE FRAME AND COVER - ROADWAY 232 - SURVEY MONUMENT TYPE 'A' 250 - RETAINING WALL DESIGN 266 - BIKEWAY BARRIER 302 - PRECAST CONCRETE MANHOLE 303 - DROP MANHOLE 311 - SEWER CLEANOUT CITY OF BIG BEAR LAKE