PERMANENT WOOD BARRICADE SECTION 826
476 SECTION 826 — PERMANENT WOOD BARRICADE
826.1Description.
This work consists of providing, constructing, and placing pressure treated wood barricades.
826.2Materials.
A.Wood Section 621; Section 1041
B.Sign Panels Section 818
C.Galvanized Hardware Section 1041.5
826.3Construction.
A.Fabricate permanent barricade using No. 1 common yellow pine or fir Surfaced 4 Sides (S4S), in
accordance with the DE MUTCD and the contract.
B.Treat sides, bottoms, and tops of the wood posts and rails with a preservative treatment in
accordance with Section 1041.
C.Install retroreflective sheeting and sign panels with a minimum sheet panel thickness of 1/8 -inch
for the object markers in accordance with the DE MUTCD and the contract.
D.Excavate post holes.
E.Place posts into the excavated holes in accordance with the contract.
F.Backfill as necessary and dispose of unneeded material in accordance with Section 106.8.
G.Grade area as required by the engineer.
826.4Method of Measurement.
The Department will measure the quantity of permanent wood barricades as the number of permanent wood barricades fabricated, placed, and accepted.
826.5Basis of Payment.
A.The Department will pay the quantity of permanent wood barricades at the contract unit price per
each. Price and payment constitute full compensation for:
1.Providing and placing all materials;
2.reflective sheeting;
3.sheet aluminum sign panels;
4.preservative treatment; and
5.excavating and backfilling.
B.The Department considers sign panels for the permanent wood barricade and object markers as
incidental to this item. ITEM DESCRIPTION UNIT 826001 PERMANENT WOOD BARRICADE EA CONDUIT JUNCTION WELLS SECTION 830
477 SECTION 830 — CONDUIT JUNCTION WELLS
830.1Description.
This work consists of providing, constructing, installing, adjusting, relocating, and removing conduit junction wells and spare frames and lids or precast polymer concrete covers.
830.2Materials.
A.Conduit Junction Well, Types 1, 4, and 5
1.Frames Section 1039.7
2.Lids Section 1039.7
3.Delaware stone No. 57 Section 1004
4.Precast concrete, Class B Section 1022
5.Castings with “DOT -E” logo on cover Section 1039
B.Conduit Junction Well, Type 7
1.Precast polymer concrete stackable box with no base.
2.Delaware stone No. 57 Section 1004
3.Precast polymer concrete.
a.Heavy -weave fiberglass reinforcement.
b.Compressive strength of 9,000 – 15,000 PSI.
c.Impact energy of 30 -72 foot -pounds.
d.Tensile strength of 800 – 1,100 PSI.
e.Tested in accordance with ASTM D543, Section 7, Procedure One for chemical resistance.
4.Precast polymer concrete traffic cover
a.Heavy -duty type with a design load of 15,000 -pounds over a 10 -inch square.
b.Coefficient of friction greater than 0.5.
c.Provide “DelDOT TRAFFIC FIBER OPTICS” logo on cover
C.Borrow , Type C Section 1001
830.3Construction.
A.Conduit Junction Well.
1.Excavate to the required depth in accordance with Section 207.3. Construct a stone base for the
junction well. Compact the foundation to a firm, even surface.
2.Place the conduit junction well.
3.Place the cast iron frame and lid or polymer concrete box cover.
4.Set level with the surrounding surface when placed in asphalt or concrete surfaces.
5.Set above grade when placed in areas not surfaced in asphalt or concrete. Grade to drain away
from the junction well.
Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 486–487 of 779.