The drawing presents a structural plan for a tunnel cover layout utilizing steel framing members. It features intersecting structural lines and a detail callout bubble indicating connection points between structural steel elements. The assembly demonstrates the spatial arrangement of beams and structural plates.
Text on the drawing
2'-7" W18x50 W18x50 HSS7x3x5/16 HSS7x3x5/16 HSS7x3x5/16 EDGE PL 3/8"x1'-6"x5'-5" (A572 GR 50) EDGE PL 3/8"x1'-6"x5'-5" (A572 GR 50) 11 3/4" 11 3/4" HSS7x3x 5/16 HSS12 x4x1/4 HSS12x4x1/4 HSS12x4x1/4 HSS12x4x1/4 HSS12x4x1/4 1'-6" 1'-6" 4 SP @ 9"= 3'-0" 1'-6" 1'-6" 10'-11 1/2" 1'-8" 5'-0" FLR PL 5/8" (A572 GR 50) 2'-0" 6'-11 1/2" 2'-0" 1 3/4" 1 3/4" CL.3/4"Ø THREADED HOLE CL.3/4"Ø THREADED HOLE 9" 2'-0" 2'-3" W18x50 4 1/2" 4 1/2" J S529 S520 TYP M S529 S520 SIM L S529 S520 SIM 2 2
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