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EXPANSION JOINT ISOMETRIC VIEW PLAN VIEW NOTES: 1. CHASE IS NOT PERMITTED IN 4" CURB SECTION 2. CHASE SHALL ONLY BE USED WITH APPROVAL OF PROJECT ENGINEER. 5'-0" MIN. 5'-0" MIN. 6'-0" MIN. EXPANSION JOINT NON-SLIP RAISED PATTERN STEEL PLATE 1/4" THICKNESS NOTE: ON A RESIDENTIAL STREET A NON-SLIP GALVANIZED STEEL PLATE - SLOTTED MAY BE USED 12" PLATE SHALL BE BACK 1/4" FROM FACE OF CURB 24" 24" 8101 Ralston Road Arvada, Colorado 80002 CITY OF ARVADA 2022 ENGINEERING STANDARDS & SPECIFICATIONS 12" SIDEWALK CHASE (Sheet 1 of 3) 800-13 ---PAGE BREAK--- 24" 12" SIDEWALK 5.5" 24" ~ ~ 6" 2" 2" SIDEWALK CHASE DETAIL SEE DETAIL A ON DETAIL SHEET 800-19 1/2" X 1" FLATHEAD MACH. SCREW BRASS OR ELECTRO-GALVANIZED FINISH, 2' O.C. CONC. TO BE DRILLED TO ALLOW SCREW #3 BAR 6" LONG WELDED TO ANGLE IRON AT 18" 0.C. EACH SIDE CONC. 2" x 2" x 1/4" ANGLE IRON TO BE DRILLED AND THREADED TO ALLOW SCREW EXPANSION JOINT 6 x 6 - W4.0 x W4.0 WELDED WIRE FABRIC COMPACTED SUBGRADE NON-SLIP RAISED PATTERN STEEL PLATE 1/4" THICKNESS NOTE: ON A RESIDENTIAL STREET A NON-SLIP GALVANIZED STEEL PLATE - SLOTTED MAY BE USED 8101 Ralston Road Arvada, Colorado 80002 CITY OF ARVADA 2022 ENGINEERING STANDARDS & SPECIFICATIONS 12" SIDEWALK CHASE (Sheet 2 of 3) 800-14 ---PAGE BREAK--- MIN 1% 1% 2% 2% 6" VERT C & G FLOW FROM GUTTER FLOW TO GUTTER MULTIPLE CHASE WHEN OPENINGS LARGER THAN 12" ARE REQUIRED DETAIL A 6" VERT C & G 1/4" x 3/4" F.H. MACHINE SCREWS @ 2'4" O.C. COUNTER SUNK FLUSH W/ PLATE 1 1/2"x 1 1/2"x 1/4" ANGLE IRON DRILLED & TAPPED FOR 1/4" MACHINE SCREWS NO. 3 REBAR 6" LONG, WELD TO ANGLE, 18" O.C. SLOPE VARIES SLOPE VARIES PLATE FLUSH WITH TOP OF WALK 2% 2% SIDEWALK VARIES SEE PLAN VIEW VARIES THIS SECT. REQD. W/ DETACHED SIDEWALK OR BICYCLE PATH 2' - 6" 8" 2' - 6" VARIES SEE PLAN VIEW 6" 12" 3/16" CLEARANCE 1/2" 1/4" NON-SLIP RAISED PATTERN STEEL PLATE 1/4" THICKNESS NOTE: ON A RESIDENTIAL STREET A NON-SLIP GALVANIZED STEEL PLATE - SLOTTED MAY BE USED 8101 Ralston Road Arvada, Colorado 80002 CITY OF ARVADA 2022 ENGINEERING STANDARDS & SPECIFICATIONS 12" SIDEWALK CHASE (Sheet 3 of 3) 800-15 ---PAGE BREAK--- SLAB THICKNESS MIN. 4" SLAB THICKNESS MIN. 4" SLAB THICKNESS MIN. 4" CHANNEL DEPTH PLUS 4" MINIMUM SLAB THICKNESS 14" MIN. NOTE: USE OF 1/2" SHIMS AT THE CHANNEL, AS ILLUSTRATED, WILL HELP TO PREVENT WATER PONDING ADJACENT TO THE DRAIN CHANNELS. NOTE: USE OF 1/4" SHIMS AT THE FLOOR, AS ILLUSTRATED, FACILITATES CONCRETE FINISHING. 800-16 8101 Ralston Road Arvada, Colorado 80002 CITY OF ARVADA 2022 ENGINEERING STANDARDS & SPECIFICATIONS SIDEWALK CHASE - RETROFIT INSTALLATION IN RESIDENTIAL AREAS