| Drainage
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English
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PDF
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DGN
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| Entire Section
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| Pipes
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| DR-101
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Pipe Culvert (Bedding and Backfill)
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| DR-102
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Pipe Culvert (Cover and Camber)
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| DR-103
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Pipe Culvert (Installation Details)
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| DR-104
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Depth of Cover Tables for Concrete and Corrugated Pipe
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| DR-111
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Box Culvert (Backfill)
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| DR-121
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Connected Pipe Joints
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| DR-122
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Construction of Type "C" Concrete Adaptors for Pipe Culvert Connections
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| DR-141
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Pipe Bends
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| DR-142
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Culvert Pipe Tee Sections
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| Aprons
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| DR-201
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Concrete Aprons
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| DR-202
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Low Clearance Concrete Pipe Aprons
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| DR-203
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Metal Pipe Aprons and Beveled Ends
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| DR-204
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Metal Arch Aprons (for Corrugated Metal Pipe)
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| DR-205
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Concrete Apron with End Wall
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| DR-206
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Low Clearance Concrete Pipe Apron With End Wall
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| DR-211
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Metal Safety Slope Apron 6:1 Slope
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| DR-212
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Beveled Pipe and Guard
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| DR-213
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Pipe Apron Guard
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| Subdrains
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| DR-301
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Subdrains for Fill or Foundation Drainage (Standard)
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| DR-302
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Subdrains Standard (Farm Tile Replacement)
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| DR-303
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Subdrains (Longitudinal)
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| DR-305
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Subdrain Outlets (Standard Subdrain, Pressure Release and Special)
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| DR-306
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Precast Concrete Headwall for Subdrain Outlets
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| Bridge End Drains
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| DR-401
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Scour Protection for Bridge End Drain
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| DR-402
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Rock Flume for Bridge End Drain
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| Miscellaneous
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| DR-501
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Corrugated Metal Type "A" Diaphragm
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| DR-502
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Slotted Drain for Median Crossovers
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| DR-503
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Safety Grates for Box Culverts
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| DR-504
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Diagonal Placed Drain for Median Crossovers
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| Culverts
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| DR-601
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Reinforced Concrete Pipe Culvert
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| DR-602
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Reinforced Concrete Pipe Culvert with Tees
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| DR-611
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Reinforced Concrete Pipe Culvert Letdown Structure
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| DR-612
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Apron Tee Inlet
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| DR-613
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Concrete Pipe with “D” Section
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| DR-621
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Pipe Extension
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| DR-622
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Pipe Extension Horizontal Bend One or Both Ends
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| DR-625
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Pipe Extension Letdown Structure with Metal Apron
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| DR-626
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Pipe Extension - Adding Lanes
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| DR-627
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Pipe Extension Horizontal Bend - Adding Lanes
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| DR-628
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Pipe Extension Both Ends Horizontal Bend (Optional) - Adding Lanes
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| DR-629
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Pipe Extension Letdown Structure Horizontal Bend (Optional) - Adding Lanes
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| DR-631
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Corrugated Pipe Culvert Letdown Structure with Single Elbow
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| DR-632
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Corrugated Pipe Culvert Letdown Structure with Double Elbow
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| DR-641
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Concrete/Corrugated Pipe Culvert Letdown Structure with Metal Apron
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| DR-642
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Apron Pipe Tee Inlet
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| DR-651
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Unclassified Pipe Culvert
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| DR-652
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Unclassified Letdown Structure Single Elbow
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| DR-653
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Unclassified Roadway Letdown Pipe with Metal Apron
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