Standard Construction Details 2024

From Engineering Support Wiki

Important Notice
In the effort to update the Standard Construction Details and Standard Specifications per the 2024 review, all detail sheets have been reviewed and sheet changes have been noted with new title block and signatures. Major efforts of this update include addition of 2016 MASH compliance as accepted by the Department, consistency with the 2024 DelDOT Standard Specifications, consistency with Department and regulatory publications, and edits of the Details were made to meet the current methods of construction.


2024 Standards

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Section I - Barrier

 PDF ICON.png B-L (2022) - Barrier Legend
 B-1 - Guardrail Applications (Type 1-31, 2-31, and 3-31) 

 B-2 - Grading for Guardrail End Treatments (Types 1, 2, and 3) 

 B-3 - Guardrail Over Culverts (Types 2-31, and 3-31) 

 PDF ICON.png B-4 (2024) -1- End Anchorage, Type 31
 B-5 - RESERVED
 B-6 - RESERVED
 PDF ICON.png B-7 (2024)-1- W-Beam, Type 1-27 to Type 1-31 Transition Section
 B-8 - Guardrail to Barrier Connection - Approach and Exit Type 1-31 
   PDF ICON.png B-8 (2024) - 1 - Approach Type 1-31
   PDF ICON.png B-8 (2020) - 2 - Type 1 Hardware
   PDF ICON.png B-8 (2020) - 3 - Bent Plate Rub Rail 
   PDF ICON.png B-8 (2020) - 4 - Exit Type 1-31 

 B-9 - RESERVED 
 B-10 - Guardrail to Barrier Connection - Type 3-31 
   PDF ICON.png B-10 (2024) - 1 - Approach, Type 3-31 
   PDF ICON.png B-10 (2020) - 2 - Post 
   PDF ICON.png B-10 (2020) - 3 - Post and Offset Block 
   PDF ICON.png B-10 (2020) - 4 - Terminal End Shoe and Connection 

 B-11 - Thrie-Beam Approach Guardrail Transition (AGT) To Connection Buttress 

 B-12 - RESERVED
 B-13 - Hardware 

 B-14 - RESERVED
 B-15 - Guardrail Applications (Types 1-27, 2-27, and 3-27) 
   PDF ICON.png B-15 (2020) - 1 - Plan Views  
   PDF ICON.png B-15 (2020) - 2 - Elevation Views and Splice Details  
   PDF ICON.png B-15 (2020) - 3 - Section Views 

 B-16 - RESERVED
 PDF ICON.png B-17 (2020) - Guardrail End Treatment, Type 4-27 
 PDF ICON.png B-18 (2020) - Curved Guardrail Section, Type 1-27 
 B-19 - RESERVED
 B-20 - Burried In Back Slope End Terminal, Type 1-31 
   PDF ICON.png B-20 (2024) - 1 - Perspective and Elevation Views 
   PDF ICON.png B-20 (2020) - 2 - Section Views 
   PDF ICON.png B-20 (2020) - 3 - Hardware 
   PDF ICON.png B-20 (2024) - 4 - Posts 

 B-21 - RESERVED 
 B-22 - RESERVED
 B-23 - RESERVED
 B-24 - RESERVED
 B-25 - Concrete Roadside Barrier, 36" 

 B-26 - Concrete Roadside Barrier, 42" 

 PDF ICON.png B-27 (2024) - 1 - Elevation and Reinforcement 32 F - Shape 
 PDF ICON.png B-28 (2024) - 1 - Elevation and Reinforcement 36 F - Shape 
 PDF ICON.png B-29 (2024) - 1 - Elevation and Reinforcement 42 F - Shape 
 PDF ICON.png B-30 (2024) - 1 - Elevation and Reinforcement 42 Single Slope 
 

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Section II - Curb & Gutter

C-1 - PCC Curb


C-2 - Pedestrian Connection

 PDF ICON.png C-2 (2024) - 1 - General Notes
 PDF ICON.png C-2 (2024) - 2 - Type 1
 PDF ICON.png C-2 (2024) - 3 - Type 1
 PDF ICON.png C-2 (2024) - 4 - Type 2
 PDF ICON.png C-2 (2024) - 5 - Type 3
 PDF ICON.png C-2 (2024) - 6 - Type 4
 PDF ICON.png C-2 (2024) - 7 - Type 5
 PDF ICON.png C-2 (2024) - 8 - DWS and DTSI Placement

PDF ICON.png C-3 (2024) - 1 - Entrances
PDF ICON.png C-4 (2024) - 1 - Curb Opening

C-5 - Curb/Sidwalk Opening


PDF ICON.png C-6 (2024) - Curb Retaining Wall

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Section III - Drainage

D-1 - 6:1 Safety End Structure

 PDF ICON.png D-1 (2018) - 1 - Detail Views
 PDF ICON.png D-1 (2018) - 2 - Schedules 

D-2 - 10:1 Safety End Structure

 PDF ICON.png D-2 (2018) - 1 - Detail Views
 PDF ICON.png D-2 (2018) - 2 - Schedules 

D-3 - Safety Grates


PDF ICON.png D-R (2024) - Drainage Inlet Reference Sheet
PDF ICON.png D-4 (2024) - Inlet Box
D-5 - Drainage Inlet Details

 PDF ICON.png D-5 (2020) - 1 - Drainage Inlet Assembly
 PDF ICON.png D-5 (2024) - 2 - Drainage Inlet Frame and Grates
 PDF ICON.png D-5 (2024) - 3 - Drainage Inlet top Units 
 PDF ICON.png D-5 (2020) - 4 - Drainage Inlet Cover Slab 
 PDF ICON.png D-5 (2020) - 5 - Double Inlet Cover Slab
 PDF ICON.png D-5 (2020) - 6 - 34" X 24" Drainage Inlet
 PDF ICON.png D-5 (2020) - 7 - 34" X 18" Drainage Inlet
 PDF ICON.png D-5 (2022) - 8 - Drainage Inlet top Unit, Type S
 PDF ICON.png D-5 (2024) - 9 - Doghouse Inlet Box

D-6 - Manhole Details

 PDF ICON.png D-6 (2024) - 1 - Box Manhole Assembly
 PDF ICON.png D-6 (2024) - 2 - Round Manhole Assembly
 PDF ICON.png D-6 (2020) - 3 - Manhole Grade Ring, top Unit, Frame and Cover
 PDF ICON.png D-6 (2020) - 4 - Box Manhole Cover Slab
 PDF ICON.png D-6 (2020) - 5 - Round Manhole Cover Slab

D-7 - RESERVED
PDF ICON.png D-8 (2021) - Pipe Bedding and Pipe Flared End Support
PDF ICON.png D-9 (2024) - Perforated Pipe Underdrain
PDF ICON.png D-10 (2024) - Pipe Plugging
D-11 - RESERVED

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Section IV - Erosion

PDF ICON.png E-1 (2024) - Concrete Washout
E-2 Silt Fence

 PDF ICON.png E-2 (2020) - 1 - Silt Fence
 PDF ICON.png E-2 (2020) - 2 - Super Silt Fence

PDF ICON.png E-3 (2024) - Sediment Trap
PDF ICON.png E-4 (2024) - Inlet Sediment Control, Drainage Inlet
PDF ICON.png E-5 (2024) - Inlet Sediment Control, Culvert Inlet
PDF ICON.png E-6 (2020) - Portable Sediment Tank
PDF ICON.png E-7 (2014) - Sump Pit
PDF ICON.png E-8 (2024) - Skimmer Dewatering Device
E-9 Check Dam

 PDF ICON.png E-9 (2020) - 1 - Stone Check Dam
 PDF ICON.png E-9 (2020) - 2 - Compost Filter Log Check Dam

PDF ICON.png E-10 (2024) - Temporary Slope Dain
PDF ICON.png E-11 (2014) - Incremental Stabilization
E-12 - RESERVED
E-13 - RESERVED
PDF ICON.png E-14 (2024) - Stabilized Construction Entrance
PDF ICON.png E-15 (2024) - Sandbag Dike
PDF ICON.png E-16 (2014) - Sandbag Diversion
PDF ICON.png E-17 (2024) - Geotextile-lined Channel Diversion
PDF ICON.png E-18 (2014) - Turbidity Curtain
PDF ICON.png E-19 (2020) - Stilling Well
PDF ICON.png E-20 (2024) - RipRap Energy Dissipator
PDF ICON.png E-21 (2024) - Stone Outlet

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Section V - Landscaping

L-1 - Planting Details

   PDF ICON.png L-1 (2024) - 1 - Roadside Shrub Planting Detail
   PDF ICON.png L-1 (2024) - 2 - Tree Planting Detail
   PDF ICON.png L-1 (2024) - 3 - Perennial/Ground Cover Planting Detail
   PDF ICON.png L-1 (2024) - 4 - Aquatic Planting Detail

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Section VI - Miscellaneous

PDF ICON.png M-1 (2021) - Right-of-Way Fence
PDF ICON.png M-2 (2024) - Right-of-Way Monumentation
PDF ICON.png M-3 (2024) - Shared-Use Path & Sidewalk Details
PDF ICON.png M-4 (2024) - Bike Rack Layout Details
PDF ICON.png M-5 (2020) - Wood Rail Fence
PDF ICON.png M-6 (2024) - Patterned Hot-Mix or Concrete & Brick Paver Details
PDF ICON.png M-7 (2022) - Chain Link Fence Details
PDF ICON.png M-8 (2014) - PCC Parking Bumper
M-9 - Bus Stop Pad Details


M-10 - Bridge Safety Fence

 PDF ICON.png M-10 (2014) - 1 - Bridge Safety Fence, Type 1
 PDF ICON.png M-10 (2014) - 2 - Bridge Safety Fence, Type 2
 PDF ICON.png M-10 (2024) - 3 - Hardware

M-11 - Steel plate

 PDF ICON.png M-11 (2021) - 1 - Steel Plate - Roadway
 PDF ICON.png M-11 (2021) - 2 - Steel Plate - Bridge Deck
 PDF ICON.png M-11 (2021) - 3 - Steel Plate - Bridge Deck

PDF ICON.png M-12 (2020) - Driveway Transverse Slope Grading
PDF ICON.png M-13 (2024) - Temporary Pedestrian Pathway
PDF ICON.png M-14 (2024) - Pinned to Unpinned Temporary PCC Safety Barrier Connection

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Section VII - Pavement

P-1 - PCC Pavement


P-2 - PCC Pavement Patching


PDF ICON.png P-3 (2024) - Butt Joints
PDF ICON.png P-4 (2024) - Permanent Cross-Road Patch Over Pipe Trench
P-5 - Rumble Strips

 PDF ICON.png P-5 (2018) - 1 - Rumble Strips
 PDF ICON.png P-5 (2024) - 2 - Rumble Strips

PDF ICON.png P-6 (2021) - Pavement Safety Edge
PDF ICON.png P-7 (2024) - Speed Hump
PDF ICON.png P-8 (2024) - Dowel Support Basket

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Section VIII - Traffic

T-1 - Conduit Junction Wells

 PDF ICON.png T-1 (2024) - 1 - Type 1
 PDF ICON.png T-1 (2024) - 2 - Type 4
 PDF ICON.png T-1 (2024) - 3 - Type 5
 PDF ICON.png T-1 (2024) - 4 - Type 7

PDF ICON.png T-2 (2024) - Junction Well, Grounding & Bonding for Steel Frames and Lids
PDF ICON.png T-3 (2024) - Standard Lighting Cabinet, Types M, P, and R
T-4 - Cabinet Bases

 PDF ICON.png T-4 (2024) - 1 - Types M, K, & F
 PDF ICON.png T-4 (2024) - 2 - Types P & R

T-5 - Pole Bases


T-6 - RESERVED
T-7 - RESERVED
T-8 - Loop Detector Lead-In Wire Installation


T-9 - Loop Detector Installation


T-10 - RESERVED
T-11 - Messenger Wire Attachment


T-12 - Messenger Wire Attachment

 PDF ICON.png T-12 (2020) - 1 - Attachment Between Poles
 PDF ICON.png T-12 (2020) - 2 - Dead End Messenger Wire Attachment
 PDF ICON.png T-12 (2024) - 3 - Span Wire Assembly

T-13 - RESERVED
T-14 - Emergency Preemption Receiver

 PDF ICON.png T-14 (2024) - 1 - Upright Mount
 PDF ICON.png T-14 (2024) - 2 - Inverted Mount

PDF ICON.png T-15 (2024) - Breakaway Sign Post and Pin Assembly Details
PDF ICON.png T-16 (2024) - Permanent Wood Barricade
T-17 - Electrical Service Pedestal - Lighting, Signal & 'ITMS' Component Installations


T-18 - Pedestrian Pushbutton Location


T-19 - Barrier Mounted Sign

 PDF ICON.png T-19 (2024) - 1 - Barrier Mounted Sign
 PDF ICON.png T-19 (2024) - 2 - Barrier Mounted Sign
 PDF ICON.png T-19 (2024) - 3 - Mile Marker Barrier Mount 

T-20 - Breakaway Steel Sign Support Charts


PDF ICON.png T-21 (2022) - Sign Installation Date Decal - Revised: 8/19/2024
PDF ICON.png T-22 (2022) - Extruded Aluminum Details Vertical Support Attachment
T-23 - Breakaway Steel Sign Support Foundations


PDF ICON.png T-24 (2024) - Galvanized Steel Beam Sign Posts Vertical and Lateral Clearance
PDF ICON.png T-25 (2024) - Galvanized Steel Beam Sign Posts Service Panel Attachments Details
T-26 - Extruded Aluminum Detail

   PDF ICON.png T-26 (2024) - 1 - Extruded Aluminum Detail
   PDF ICON.png T-26 (2024) - 2 - Extruded Aluminum Detail