Home / DOT Specifications / Delaware / Standard Specifications for Road & Bridge Construction / 80200

Electrical (16000-16999)

802001 ARROW PANELS, TYPE A EA-DY

DE · 2025 Standard SpecificationsBook pages 440–442View official source ↗

PORTABLE CHANGEABLE MESSAGE SIGN SECTION 803

430 SECTION 803 — PORTABLE CHANGEABLE MESSAGE SIGN

803.1Description.

This work consists of providing, placing, operating, relocating, and maintaining portable changeable message signs (PCMS).

803.2Materials.

Not applicable .

803.3Construction.

803.3.1 Equipment.

A.Provide PCMSs meeting the requirements of the DE MUTCD , consisting of like -new, corrosion

resistant materials and having the following:

1.Trailer – in accordance with Title 21 Motor Vehicles of the Delaware Code .

2.Sign panel – not to exceed 144 inches in length and 90 inches in height.

3.Sighting device for determining proper alignment for maximum visibility.

4.Display capable of:

a.Displaying 3 lines of text.

b.Constructing each line of text using either a discrete matrix or a full matrix display.

c.Displaying each character using a 5 x 7 array with at least 8 array modules per line, if using a

discrete matrix.

d.Providing a 4 1/4 - inch to 7 -inch space between each display line with no glare reflection.

e.Displaying 8 characters per line.

f.A character height as required by the DE MUTCD .

g.LED illumination.

B.Provide plastic drums, in accordance with Section 805, to channelize traffic away from the PCMS

unless placing the PCMS behind guardrail, barrier, or other means of positive protection. Place plastic drums in accordance with the DE MUTCD .

C.Meet the necessary requirements of the NFPA , UL, and NEC.

D.Do not place PCMS on or near bicycle lanes, sidewalks, or shared use paths in a manner that

restricts the use of these facilities by pedestrians or cyclists. Provide a minimum 4 -foot buffer between the edge of the travel lane and the farthest extent of t he PCMS to allow bicycle traffic to pass without encroaching into the travel lane. 803.3.2 Operating Requirements.

A.Ensure that sign message visibility and legibility conform to the distance requirements in

accordance with the DE MUTCD . Align the PCMS toward oncoming traffic with the sighting device to provide alignment for maximum visibility.

B.Use PCMS units in accordance with the DE MUTCD . Place PCMS units at the locations shown in the

contract or as directed by the engineer. Obtain approval from the engineer before placement of PORTABLE CHANGEABLE MESSAGE SIGN SECTION 803

431 the PCMS. Submit a PCMS Approval Form to the engineer for review and approval of messages and the PCMS location, if the contract does not contain approved messages or locations,

C.Repair or replace PCMS within 24 -hours or less after receiving notification of an operational

problem. Failure to correct the problem within the 24 -hours will result in no payment for the day the unit is not operating. Failure to correct the problem may also result in delay of work activities.

803.4Method of Measurement.

A.The Department will measure PCMS units as the number used per day.

803.5Basis of Payment.

A.The Department will pay for provide and maintain portable changeable message sign at the

contract unit price per each day. Price and payment constitute full compensation for :

1.Providing, placing, operating, maintaining, relocating and removing PCMS units ; and

2.providing, placing, maintaining, relocating, and removing plastic drums required for

channelization around the PCMS .

B.The Department will make no additional payment for ballast used on plastic drums.

C.The Department will not measure or pay for ineffective drums not immediately replaced.

ITEM DESCRIPTION UNIT 803001 PROVIDE AND MAINTAIN PORTABLE CHANGEABLE MESSAGE SIGN EA-DY PORTABLE FLIGHT ASSEMBLY SECTION 804

432 SECTION 804 — PORTABLE LIGHT ASSEMBLY

804.1Description.

This work consists of providing, placing, operating, relocating, and maintaining portable light assemblies.

804.2Materials.

Not applicable .

804.3Construction.

A.Provide a portable light assembly unit that includes:

1.Four 1,000 -watt lights

2.A fully self -contained power source mounted to a trailer

3.Equipment to allow towing by a full -size pick -up truck

4.Full compliance with Title 21 Motor Vehicles of the Delaware Code .

B.Provide plastic drums, in accordance with Section 805, to channelize traffic away from the

portable light assembly except when placing the portable light assembly behind guardrail, barrier, or other means of positive protection. Place plastic drums in a ccordance with the DE MUTCD . 804.3.1 Operational Requirements.

A.Place the portable light assembly at locations shown in the contract or in accordance with the DE

MUTCD. Position the portable light assembly so that it does not shine light directly at oncoming traffic. Extend the light assembly vertically to the unit’s fullest extent and direct the lights downwards toward the work area but not exceeding more than 60 -degrees measured off of the ground to prevent glare. Use channelization devices in accordance with the DE MUTCD to delineate the portable light assembly.

B.Repair or replace portable light assembly units, within 30 -minutes or less, after receiving

notification of an operational problem. Failure to correct the problem within the required timeframe will result in no payment for the day that the unit did not work.

C.Designate the ATSSA traffic control supervisor as the Department’s contact person on all issues

related to the portable light assembly. Provide an ATSSA traffic control supervisor in accordance with Section 812. If the contract does not require an ATSSA traffic control supervisor, the contractor may use a superintendent or other designee as the on -site representative. When a portable light assembly used to illuminate a flagger station fails to work, remove the flagger from the roadway. Restore the roadwa y to normal operations until a working portable light assembly is provided and placed unless opening the roadway to normal operations presents a safety hazard to motorists.

804.4Method of Measurement.

A.The Department will measure portable light assembly units as the number of units used each

calendar day.

804.5Basis of Payment.

Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 440–442 of 779.

← Previous

80100 0 MAINTENANCE OF TRAFFIC LS

80300 1 PROVIDE AND MAINTAIN PORTABLE CHANGEABLE MESSAGE SIGN EA-DY