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HomeMy WebLinkAbout262.40CAST IRON BEEHIVE GRATE AND FRAME, SEE NOTE 1 — OPTIONAL 6" OR W STREAMBED COBBLES. PER WSDOT9-0311(2). SEE NOTE 3 �1 SEE NOTE 4 SAND! COLLAR (YP ] I VARIES. SEE NOTE 2 STORM DRAIN RIPE DESIGNER TO SPECIFY G MIN 6' MIN 6� MIN J 12" MON SUMP CATCH BASIN ADJUSTMENT SECTION AS REQUIRED, DESIGNER TO SPECIFY ELEVATION FDESIGN PONDING ELEVATION —� �— u UNOERDRAIN PIPE, IF REQUIRED. SEE STD PLAN 21}2.16 CATCH BASIN TYPE 1 PER STD. PLAN 206.01) OR OTHER STRUCTURE W7H APPROVAL CONCRETE BASE GRAVEL BACKFILL FOR ©RAINS. COMPACT PER VV5DO7 2-e9.3(1)E NOTES - 1 FRAME AND GRATE SHALL BE LOCKING AND CRATE SHALL BE BOLTED TO PRAMS FRAME SHALL CONFORM TO VwSDOT STANDARD PLAN B-Sa TO -01. GRATE TO BE DUCTILE IRON BEEHIVE GRATE FITTING 30'44" FRAME OLYMPIC FOUNDRY PART SM608H OR EQUAL SEE STANDARD SPECIFICATIONS MS 15M 2 OVERFLOW STRUCTURE SHALL BE LOCATED WITHIN 10 FEET OF ROAD EDGE FOR MAINTENANCE ACCESS, UNLESS APPROVED OTHER'Y41SE. OVERFLOW STRUCTURE MAY BE LOCATED IN SIDE SLOPES 3 MINIMUM STREAMBEO COBBLE DIAMETER SHALL BE LARGER THAN MAXIMUM GRATE OPENING 4. GROUT ALL PENETRATIONS, CRACKS, SEAMS. AND J'DINTS MTM TYPE 2 GROUT FOR NON -SHRINK APPLICATIONS PER WSDOT SPECIFIC�4TtONS 9-20.3(2) JOINTS BETWEEN PRECAST STRUCTURES SHALL FSE RUBBER GASKETED PER 7.05 3 GENERAL NOTES: 1. PLANT SPACING WITHIN FACILITY TO ALLOW MAINTENANCE ACCESS TO STRUCTURE. 2 12.1 NCH MIN CLEARANCE WITHIN OVERFLOW STRUCTURE SHALL 9E PROVIDED FOR MAINTENANCE ACCESS. 3 OVERFLOW PIPES MUST BE LOCATED AT AN ELEVATION FIIGHER THAN THE STORM DRAIN HYDRAULIC GRADE LINE TO PREVENT BACKFLOW INTO THE 91ORETENTIDN FACtLRY. UNLESS OTHERWISENOTED, DRAWING 15 NOT TO SCALE (NTS; WORKS BIORETENTION - OVERFLOW OUTLET STD. PLAN - 262.40PUBLIC APP uEe DEPARTMENT STRUCTURE N.., � _