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.
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 EA 821002 SUPPLY OF BARRIER MOUNTED SIGN SUPPORT, 2” POST EA 821003 INSTALLATION OF BARRIER MOUNTED SIGN SUPPORT EA 821004 REMOVAL OF BARRIER MOUNTED SIGN SUPPORT EA 821005 INSTALLATION OF SIGN ON BARRIER MOUNTED SIGN SUPPORT SF 821006 REMOVAL OF SIGN ON BARRIER MOUNTED SIGN SF
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Source: Delaware Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 476–0 of 786.
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