810.1Description.
This work consists of fabricating, providing, placing, relocating, maintaining, and removing temporary warning signs.
810.2Materials.
A.Sign body material – in accordance with the and compliant with the latest version of MASH in
accordance with Section 801.2.
B.Sizes and sign legends – in accordance with the DE MUTCD, the contract, and the FHWA Standard
Highway Signs Book. If a conflict exists between the DE MUTCD, the contract, and the FHWA Standard Highway Signs Book, the contract takes precedence.
C.Retroreflective sign sheeting – Prismatic. Sheeting colors in accordance with the requirements of
the DE MUTCD.
D.Ground mounted sign breakaway posts – meeting MASH crash testing requirements with eligibility
letters in accordance with Section 801.2.
E.Temporary breakaway sign stands – In accordance with the latest version of MASH in accordance
with Section 801.2
F.Sign covers – Plastic material 3-mils or thicker, black vinyl, black corrugated plastic, or approved
equivalent.
G.Ballast meeting the manufacturer’s recommendations and of a suitable mixture to preclude the
ballast from freezing.
810.3Construction.
A.Temporary Ground-Mounted Signs.
Mount temporary signs facing traffic on ground-mounted sign posts when the signs are intended for more than 3 consecutive calendar days of use.
B.Only use temporary sign stands for signs facing traffic for a period longer than 3 consecutive
calendar days, in the following situations:
1.To avoid drilling through permanent concrete to ground-mount signs on concrete islands in the
median of a divided highway or other similar locations.
2.When a documented conflict exists with a utility, pedestrian access, or other permanent fixture
and it is not possible to make field adjustments to the sign location. Provide documentation of the conflict to the engineer before using the temporary sign stand.
C.Install sign posts in accordance with the manufacturer’s instructions at the locations shown in the
contract. If there is a discrepancy between field conditions and what the contract shows, including the presence of other regulatory, warning, or guide signs, adjust placement of the sign with the engineer’s approval.
D.Mount signs at the heights specified in the DE MUTCD, measured from the bottom of the sign to
top of the roadway or sidewalk surface.
E.Do not install temporary signs on the same posts as existing regulatory, warning, or guide signs.
F.Completely cover a sign with approved sign cover material, if the sign is not applicable to the work
taking place at the time.
G.Remove the sign and the entire post, including the section of post embedded in the ground, at
project completion or completion of the construction phase the sign was needed for.
H.Temporary Stand-Mounted Signs.
1.Place sign stands at the locations shown in the contract or as required by the DE MUTCD.
2.Weight the sign stands with ballast in accordance with the manufacturer’s requirements and as
follows:
a.On high-speed expressways or other situations where temporary sign stands may be
susceptible to overturning in the wind, weigh the stands with ballast.
b.Install ballast on the lower part of the frame or the stays of the temporary sign stand to
provide the required ballast.
c.If a sand ballast is used, it must consist of a suitable mixture of material to preclude the ballast
from freezing.
3.Mount the signs on the stands at the height specified in the DE MUTCD, measured from the
bottom of the signs to top of the roadway or sidewalk surface.
4.Remove signs and temporary sign stands from the roadway clear zones in accordance with the
latest version of the AASHTO Roadside Design Guide when no longer needed.
5.Do not place temporary sign stands within bicycle lanes, sidewalks, or shared use paths.
I.Sign Maintenance.
1.Replace or repair signs that are not upright, vertically aligned, and facing the direction of travel
within 24-hours of notification.
2.Replace temporary warning signs not meeting at least the “marginal” criteria of the Quality
Guidelines for Temporary Traffic Control Devices within 24 hours of notification.
3.Maintain signs, sign stands, and the area around the sign stands. Ensure that the signs and
stands remain in good working condition at all times. Keep the area around sign posts and the sign stands free of debris.
J.Removal
1.When temporary warning signs are no longer in use, remove or place them behind positive
protection.
810.4Method of Measurement.
The Department will measure temporary warning signs as the number of signs in place and facing traffic each calendar day.
810.5Basis of Payment.
A.The Department will pay the accepted quantities of temporary warning signs at the contract unit
price per each calendar day. Price and payment will constitute full compensation for:
1.Providing and placing signs, sign posts, or temporary sign stands;
2.fabricating signs;
3.ballast material;
4.sign covers;
5.relocating signs, sign stands, or sign posts; and
5.signs, sign stands, or sign posts removal.
B.The Department will pay for sign maintenance and relocation in accordance with Section 801. ITEM DESCRIPTION UNIT 810001 TEMPORARY WARNING SIGNS EA-DY
Referenced in this section
Sections that cite this one
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 457–0 of 786.
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