01 1 EA 45 LF - #86 -L2 (25’-4” SPAN X 9’-5” RISE) ALUMINUM BOX CULVERT WITH FULL 0.150” THICK ALUMINUM INVERT FULLY WELDED ON A 90 DEGREE ANGLE INSIDE & OUT TO 49’-6” WIDE X 11’-8” HIGH, 0.200” METAL THICKNESS, ALUMINUM STRUCTURAL PLATE HEADWALL ON INLET & OUTLET ENDS PER ATTACHED DRAWING AND TWO (2) EACH – INTERNAL ALUMINUM TRAPEZOIDAL BAFFLES REINFORCED. 6 EACH – 15” X 18” X 10’ LONG GALVANIZED STEEL WIRE FORMS WITH STRUTS FOR FOUNDATION. ALL HEADWALL CAP, WALL SUPPORT MEMBERS, TIEBACK RODS WITH DMA PLATES, AND PE STAMPED DRAWINGS, HEADWALL CALCULATIONS, AND PLATE LAYOUT DRAWINGS FOR BOX CULVERT, SUPPLIER TO ASSEMBLE STRUCTURE AND HEADWALLS IN FINAL DESIGNED LOCATION AND ELEVATION. LRFD HL93 LOADING CONDITIONS: MINIMUM COVER = 1.4’ MAXIMUM COVER 4.0’ OPEN AREA OF BOX CULVERT = 202.9 SQ FT **INCLUDES TWO (2) ROLL TENSAR TX GEOGRID OR EQUIVALENT**
