820.1Description.
This work consists of providing and placing or removing breakaway I-beam sign supports.
820.2Materials.
A.Steel I-Beams Section 615; Section 1039 B.Concrete Section 1022
C.Reinforcement Section 1037
D.Breakaway Assembly Section 1072.2
E.Breakaway I-Beam Sign Foundation Hardware:
1.Anchor Bolts Section 1072.3.A
2.Nuts, bolts, cap screws Section 1072.3.B
F.Borrow Section 1001
G.Liquid Membrane-Forming Compounds for Curing Section 1045.7
820.3Construction.
A.Reinforced Concrete Sign Foundation.
1.Ensure that the foundation excavation does not exceed the foundation dimension by more than
1-foot in any one direction.
2.Place and secure reinforcement bar.
3.Set anchor bolts.
4.Place concrete in accordance with Section 610. Finish and cure in accordance with Section 610.3.6.
5.Backfill foundation in accordance with Section 207. 6.Dispose of remaining excavated material and grade the area around the foundation in
accordance with the contract documents.
7.Return the area around the foundation to its original condition with mulching, seeding, or other
landscaping as necessary.
B.Breakaway I-Beam Signs.
1.Submit working drawings in accordance with Section 105.4. 2.Provide written instructions and drawings for erecting sign structure components.
3.Store structural materials above the ground on platforms, skids, or other supports and keep free
from the accumulation of foreign matter.
4.Straighten deformed structural material before laying out, punching, drilling, or otherwise
working on the material in the shop. The Department will reject material with sharp kinks or bends.
5.Repair damaged galvanized areas using any of the 3 methods in accordance with ASTM A780.
Meet the minimum coating thickness specified for the repair.
6.Follow the manufacturer’s specifications and the contract for installing couplings, bolts, and sign
mounts.
7.Install in accordance with the contract documents.
C.Repairing Existing I-Beam Sign Supports.
1.Remove broken couplings and bolts on existing I-beams and remove broken anchor bolts in
existing concrete foundations.
2.Reuse existing I-beam supports as required by the engineer. Provide and install new couplings,
bolts, hinge plates, and anchor bolts to re-install I-beam supports. Install I-beam supports in accordance with Section 820.3.B.
3.Replace damaged concrete base in accordance with 820.3.A.
D.Remove and dispose of existing I-beam sign supports shown in the contract as approved by the
engineer.
E.Install or remove sign panels on I-beam sign supports:
1.Install sign panel on I-beam sign supports in accordance with the contract and the
manufacturer’s recommendations.
2.Remove existing sign panels from I-beam supports as approved by the engineer.
820.4Method of Measurement.
A.The Department will measure the quantity of:
1.Reinforced concrete sign foundation as the number of foundations constructed and accepted.
2.Breakaway I-beam sign posts as the number of linear feet of sign posts provided, placed, and
accepted.
3.Breakaway coupling systems, bolt kits, and hinge plates as the number of devices provided,
assembled, and accepted.
4.Breakaway I-beam sign mounts as the number of sign mounts installed or removed and
accepted.
5.I-beam sign panels as the number of square feet of front sign face surface area of all sign panels
placed and accepted.
820.5Basis of Payment.
A.The Department will pay the quantity of reinforced concrete masonry sign foundations at the
contract unit price per each. Price and payment constitute full compensation for:
1.Providing all materials to construct sign foundations;
2.constructing sign foundations;
3.curing concrete;
4.providing and setting anchor bolts; and
5.returning the area around the sign foundation to its original condition.
B.The Department will pay the quantity of breakaway I-beam sign posts at the contract unit price
per linear foot. Price and payment constitute full compensation for:
1.Providing breakaway I-beam sign posts; and
2.providing and assembling breakaway coupling systems, bolt kits, hinge plates, nuts, bolts, and
cap screws and all other materials.
C.The Department will pay the quantity of breakaway coupling systems, bolt kits, and hinge plates at
the contract unit price per each. Price and payment constitute full compensation for:
1.Providing hinge plates, breakaway couplings, nuts, bolts, cap screws, and all other materials; and
2.assembling breakaway coupling systems.
D.The Department will pay the quantity of breakaway I-beam sign mounts installed or removed at
the contract unit price per each. Price and payment constitute full compensation for installation or removal of sign mounts.
E.The Department will pay the quantity of sign panels on breakaway I-beam sign supports installed
or removed at the contract unit price per square foot. Price and payment constitute full compensation for installation or removal of sign panels. ITEM DESCRIPTION UNIT 820001 REINFORCED CONCRETE SIGN FOUNDATION, W-6 EA 820002 REINFORCED CONCRETE SIGN FOUNDATION, W-8 EA 820003 REINFORCED CONCRETE SIGN FOUNDATION, W-10 EA 820004 REINFORCED CONCRETE SIGN FOUNDATION, W-12 EA 820005 REINFORCED CONCRETE SIGN FOUNDATION, W-14 EA 820006 REINFORCED CONCRETE SIGN FOUNDATION, W-18 EA 820007 SUPPLY OF BREAKAWAY I-BEAM SIGN POSTS, W-4 LF 820008 SUPPLY OF BREAKAWAY I-BEAM SIGN POSTS, W-6 LF 820009 SUPPLY OF BREAKAWAY I-BEAM SIGN POSTS, W-8 LF 820010 SUPPLY OF BREAKAWAY I-BEAM SIGN POSTS, W-10 LF 820011 SUPPLY OF BREAKAWAY I-BEAM SIGN POSTS, W-12 LF 820012 SUPPLY OF BREAKAWAY I-BEAM SIGN POSTS, W-14 LF 820013 SUPPLY OF BREAKAWAY I-BEAM SIGN POSTS, W-18 LF 820014 SUPPLY AND INSTALLATION OF BOLT KIT FOR BREAKAWAY COUPLING EA 820015 SUPPLY AND INSTALLATION OF HINGE PLATE FOR BREAKAWAY COUPLING EA 820016 SUPPLY AND INSTALLATION OF BREAKAWAY COUPLING SYSTEM EA 820017 INSTALLATION OF BREAKAWAY I-BEAM SIGN POSTS EA 820018 REMOVAL OF BREAKAWAY I-BEAM SIGN POSTS EA 820019 INSTALL SIGN PANEL ON BREAKAWAY I-BEAM SIGN SUPPORT SF 820020 REMOVE SIGN PANEL ON BREAKAWAY I-BEAM SIGN SF
Referenced in this section
Delaware revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Delaware Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 473–0 of 786.
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