BARRIER MOUNTED SIGNS SECTION 821
468 SECTION 821 — BARRIER -MOUNTED SIGNS
821.1Description.
This work consists of providing, installing, or removing concrete barrier -mounted signs.
821.2Materials.
A.Provide barrier mounted signs to the latest MASH compliance.
B.Non -Shrink Grout Section 1047.2
C.Tubular Steel Post A501
D.Anchor Bolts ASTM F 1554 , GR 55
E.Nuts ASTM A194
F.Plates and W6x12 Post ASTM A706, Grade 36
821.3Construction.
A.Install barrier -mounted sign supports in accordance with the manufacturer’s recommendations .
B.Store structural materials above the ground on platforms, skids, or other supports and keep free
from the accumulation of dirt, oil, acids, or other foreign matter.
C.Repair damaged galvanized areas in accordance with the manufacturer’s recommendations.
D.Removing Barrier Mounted Sign Supports and I -Beams.
1.Remove the sign from the sign support or I -beam without damaging the sign.
2.Remove sign supports and mounting hardware from the barrier.
3.Plug remaining holes in the barrier with an approved non -shrink grout.
821.4Method of Measurement.
A.The Department will measure the quantity of:
1.Concrete barrier -mounted sign supports and I -beams as the number of sign supports provided,
placed, and accepted.
2.Concrete barrier -mounted sign supports and I -beams as the number of sign supports removed.
3.Sign panels installed or removed on concrete barrier -mounted sign supports as the number of
square feet of sign panel installed or removed and accepted.
821.5Basis of Payment.
A.The Department will pay the quantity of concrete barrier -mounted sign supports and I -beams
installed at the contract unit price per each. Price and payment constitute full compensation for providing and placing all materials.
B.The Department will pay the quantity of concrete barrier -mounted sign supports and I -beams
removed at the contract unit price per each. Price and payment will constitute full compensation for removing all materials for the sign. BARRIER MOUNTED SIGNS SECTION 821
469 C. The Department will pay the quantity of sign panels installed or removed on concrete barrier - mounted sign supports at the contract unit price per square foot. Price and payment will constitute full compensation for installing or removing sign panels. ITEM DESCRIPTION UNIT 821001 SUPPLY OF BARRIER MOUNTED SIGN SUPPORT, 4” POST EACH 821002 SUPPLY OF BARRIER MOUNTED SIGN SUPPORT, 2” POST EACH 821003 INSTALLATION OF BARRIER MOUNTED SIGN SUPPORT EACH 821004 REMOVAL OF BARRIER MOUNTED SIGN SUPPORT EACH 821005 INSTALLATION OF SIGN ON BARRIER MOUNTED SIGN SUPPORT SF 821006 REMOVAL OF SIGN ON BARRIER MOUNTED SIGN SF 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.
Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 478–480 of 779.