Publisher profile
District Department of Transportation (DDOT)
Applies to: District of Columbia, United States
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Item standards
- 202.01Limits of Common and Structure Excavation
- 206.01Limits of Structural Backfill
- 215.01Composite Pavement Restoration Utility Lines - 1
- 215.02Concrete Pavement Restoration Utility Lines - 2
- 215.03Flexible Pavement Restoration Utility Lines - 3
- 215.04Pavement Restoration Utility Lines - 4
- 309.01Manhole Steps
- 309.02Reinforced Concrete Riser Section for Manholes
- 310.01Grate Type Catch Basin with Safety Grate
- 310.02Grate Type Catch Basin with Serpentine Grate
- 310.03Curve Vane Grate with Frame for Single Type S Inlet (For Bicycle Lanes)
- 310.04Method of Depressing Gutter
- 310.05Method of Depressing Pavement (For Gutter Opening Inlet)
- 314.01Flared End-Section (For 12in-48in Concrete Pipe Culverts)
- 314.02Flared End-Section (For 15in-72in Concrete Pipe Culverts)
- 320.01Standard Headwall for 24 Inch and Smaller Diameter Outlet
- 320.02Endwalls for 12in-36in Pipe Culverts
- 320.03Endwalls for Multiple Pipe Culverts (12in-36in Pipes)
- 320.04Endwalls for Multiple Pipe Culverts (12in-36in Pipes - 30 Skew)
- 320.05Endwalls for Multiple Pipe Culverts (12in-36in Pipes - 45 Skew)
- 320.06Reinforcement in PCC Endwalls
- 501.01Typical Joint Layout P.C.C. Pavement and Base
- 501.02Layout of Joints
- 501.03Tie Rod Assembly and Joints with Load Transfer
- 501.04Longitudinal Contraction and Construction Joints
- 501.05Joint Repair Expansion Joint
- 501.06PCC Pavement Repair Type 1
- 501.07PCC Pavement Repair Type 2
- 501.08PCC Pavement Repair Type 3
- 501.09PCC Pavement Repair Type 4
- 501.10PCC Pavement Repair Type 5
- 501.11Load Transfer Assembly Joints
- 503.01PCC Alley
- 504.01Alley-Driveway with Curb Returns Entrance Type A
- 504.02Alley-Driveway with Curb Returns Entrance Type B
- 504.03Alley-Driveway with Curb Returns Entrance Type C
- 506.01PCC Bus Pad
- 506.02Directional Islands
- 506.03Bus Stop and Boarding Alignment
- 603.01W-Beam Guardrail Trailing End Terminal
- 603.02W-Beam Guardrail Details-1
- 603.03W-Beam Guardrail Details-2
- 603.04Barrier to Obstacle Distance
- 603.05Crash Cushion with Thrie Beam Transition
- 603.06W-Beam to Thrie Beam Transition Panel
- 603.07W-Beam Trailing Terminal Section Anchor and Flare Criteria
- 603.08W-Trailing Terminal Anchor
- 603.09W-Beam Trailing Terminal Section Plate Miscellaneous Details
- 603.10W-Beam Approach Transition Vertical Curved Back Concrete Barrier End W-Beam with Rubrail-Steel Post
- 603.11Thrie Beam Approach Transition Concrete Barrier End Thrie Beam-Steel Post
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