OVERHEAD AND CANTILEVER SIGN PANELS SECTION 822
470 SECTION 822 — OVERHEAD AND CANTILEVER SIGN PANELS
822.1Description.
This work consists of placing, repositioning, or removing a sign panel on an overhead or cantilever structure.
822.2Materials.
A.Vertical Support Members Section 1039
B.Sign Panels Section 818
C.Sign Panel Overlays Section 818.2.D
D.The contract will show if the contractor or the Department supplies the signs:
1.For Department -supplied signs, provide the DelDOT Sign Shop with the parameters for the signs
to be fabricated in accordance with Section 818.
2.The Department will allow signs with pre -drilled holes for mounting.
822.3Construction.
822.3.1 Submittals.
A.Design support members and connections to the support members for the sign panels in
accordance with the latest editions of the FHWA Standard Highway Signs and Markings manual, DE MUTCD , and AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals .
B.Submit working drawings for the support members and connections to the support members in
accordance with Section 105.4.
C.Submit design calculations in accordance with the latest edition of the AASHTO Standard
Specifications for Structural Supports for Highway Signs, Luminaries, and Traffic Signals, signed and sealed by a registered professional engineer in the State of Delaware . 822.3.2 Installing, Repositioning, or Removing.
A.Installing Overhead and Cantilever Sign Panel.
1.Assemble sign panels in accordance with Section 818.
2.Install sign panels to the height specified in the contract documents. Measure height from the
bottom of the sign panel to the top of the pavement.
3.Install sign panels and connect to overhead or cantilever structures, in accordance with the
contract.
B.Repositioning an Existing Sign Panel.
1.The engineer will determine the horizontal location of the sign on the supporting structure.
2.Replace damaged or otherwise unsuitable connections at the engineer’s direction.
3.Re-install the existing sign at the new location.
C.Removing an Existing Sign Panel from a Structure.
1.Remove the sign panel and connecting hardware.
OVERHEAD AND CANTILEVER SIGN PANELS SECTION 822
471 2. Dispose of removed materials not planned for re -use.
822.4Method of Measurement.
A.The Department will measure the quantity of signs:
1.Installed on overhead and cantilever structures as the number of square feet of signs installed
and accepted.
2.Repositioned on overhead and cantilever structures as the number of square feet of signs
repositioned and accepted.
3.Removed from overhead and cantilever structures as the number of square feet of signs
removed.
822.5Basis of Payment.
A.The Department will pay:
1.The quantity of overhead and cantilever signs installed at the contract unit price per square
foot. Price and payment will constitute full compensation for installing sign panels.
2.The quantity of overhead and cantilever signs repositioned at the contract unit price per square
foot. Price and payment will constitute full compensation for detaching signs from existing structures and re -installing at the new locations.
3.For providing, installing, relocating, removing, and cutting I-beam backing supports separately
under the respective pay items listed below.
4.The quantity of overhead and cantilever signs removed at the contract unit price per square
foot. Price and payment constitute full compensation for removing existing overhead signs and overhead sign lighting. ITEM DESCRIPTION UNIT 822001 INSTALL SIGN PANEL OVERLAY SF 822002 INSTALLATION OF SIGN ON/OVER HIGHWAY STRUCTURE SF 822003 REPOSITION EXISTING SIGN ON OVERHEAD STRUCTURE SF 822004 SUPPLY OF OVERHEAD I -BEAM, W -6 LF 822005 INSTALLATION OF OVERHEAD I -BEAM EA 822006 RELOCATION OF OVERHEAD I-BEAM EA 822007 CUTTING OF OVERHEAD I -BEAM EA 822008 REMOVAL OF OVERHEAD I -BEAM EA 822009 REMOVAL OF SIGN ON/OVER HIGHWAY STRUCTURE SF SPAN WIRE AND MAST ARM SIGN PANELS SECTION 823
472 SECTION 823 — SPAN WIRE AND MAST ARM SIGN PANELS
823.1Description.
This work consists of installing, repositioning, or removing a sign on a span wire or mast arm.
823.2Materials.
A.Sign Panels Section 818
B.U-bolts, Nuts and Washers Section 1039
C.Span Wire Clamps
1.Dual face span wire clamps to hold street name signs and other span wire mounted signs.
2.Submit catalog cut to engineer.
D.Mast Arm Bracket
1.Single face mast arm or pole mount sign hardware.
2.Dual face mast arm or street name sign hardware.
3.Submit catalog cut to engineer.
E.Fabricate connections of industry standard material. The engineer will approve the connections.
823.3Construction.
A.Mast Arm Installation.
1.Install mast arm bracket and associated hardware in accordance with the manufacturer’s
instructions.
2.Attach sign to bracket in accordance with bracket manufacturer’s recommendations.
3.Install the sign a minimum height of 17 -feet above the ground, measured from the pavement to
the bottom of the sign.
B.Span Wire Installation.
1.Install span wire clamps and associated hardware in accordance with bracket manufacturer’s
recommendations.
2.Attach signs to the span wire clamp in accordance with manufacturer’s recommendations.
3.Install the signs a minimum height of 17 -feet above the ground, measured from the pavement
to the bottom of the sign.
C.Repositioning Existing Sign on Pan Wire or Mast Arm.
1.The engineer will determine the horizontal location of the sign on the supporting structure.
2.Replace mounting hardware at the discretion of the engineer.
D.Removing Existing Signs on Span Wire or Mast Arms.
1.Remove existing signs and mounting hardware from mast arms or span wire in accordance with
the contract.
2.Dispose of sign materials not planned for re -use.
Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 480–482 of 779.