RF (English)

Drainage

RF-1           Concrete Culvert Pipe
RF-2           Construction of Type "C" Concrete Adaptors for Pipe Culvert Connections
RF-3           Concrete Aprons
RF-4           Void
RF-5           Metal Pipe Aprons and Beveled Ends
RF-6           Void
RF-7           Corrugated Metal Type "A" Diaphragm
RF-8           Precast Stock Pass
RF-9-12     Void
RF-13         Pipe Bends and Half Pipe
RF-14         Connected Pipe Joints
RF-15-19   Void
RF-19A      Subdrains for Fill or Foundation Drainage (Standard)
RF-19B      Subdrains Standard (Farm Tile Replacement)
RF-19C      Subdrains (Longitudinal)
RF-19D      Void
RF-19E       Outlets for Longitudinal, Transverse, and Backslope Subdrains
RF-19F       Subdrain Outlets (Standard Subdrain, Pressure Release and Special)
RF-20         Void
RF-21         Culvert Pipe Tee Sections
RF-22         Void
RF-23-25   Void
RF-26         Pipe Apron Guard
RF-27-30   Void
RF-30A      Culvert (Bedding and Backfill)
RF-30B      Pipe Culvert (Cover and Camber)
RF-30C      Pipe Culvert (Installation Details)
RF-31         Depth of Cover Tables for Concrete Pipe
RF-32         Depth of Cover Tables for Corrugated Pipe
RF-33-37   Void
RF-38         Intake for Bridge End Drain
RF-39         Sod Flume for Bridge End Drain
RF-40         Rock Flume for Bridge End Drain
RF-41         Concrete Arch Pipe
RF-42         Concrete Arch Aprons
RF-43         Metal Arch Aprons (for Corrugated Metal Pipe)
RF-44         Metal Safety Slope Apron - 6:1 Slope
RF-45         Void

RA    Storm and Sanitary Sewer Structures
RB    Miscellaneous Construction
RC    Roadside Development and Erosion Control
RD    Signs
RE    Traffic Barriers
RF    Drainage
RG    Pavement Widening and Resurfacing
RH    Rigid Pavement
RJ     Flexible Pavement
RK    Bridge Approach Pavement
RL    Earthwork
RM   Signals and Lighting
RP    Roadway Superelevation
RR    Pavement Rehabilitation
RV    Ramp and Median Crossover Geometrics
SI      Signs
SW   Sanitary and Storm Sewer
TC    Traffic Control
WM   Water Main