807008 GLARE SCREEN LF

DE · 2025 Standard SpecificationsBook pages 452–453View official source ↗

TEMPORARY SAFETY BARRIER SECTION 807

442 ITEM DESCRIPTION UNIT 807008 GLARE SCREEN LF 807020 PROVIDE AND PLACE TEMPORARY PCC SAFETY BARRIER LF 807021 RELOCATE TEMPORARY PCC SAFETY BARRIER LF 807022 REMOVE TEMPORARY PCC SAFETY BARRIER LF 807023 INSTALL TEMPORARY PCC SAFETY BARRIER PINS, IN BITUMINOUS PAVEMENT LF 807024 INSTALL TEMPORARY PCC SAFETY BARRIER PINS, IN CONCRETE LF 807025 REMOVE TEMPORARY PCC SAFETY BARRIER PINS, FROM BITUMINOUS PAVEMENT LF 807026 REMOVE TEMPORARY PCC SAFETY BARRIER PINS, FROM CONCRETE LF TRUCK MOUNTED ATTENUATOR SECTION 808

443 SECTION 808 — TRUCK MOUNTED ATTENUATOR

808.1Description.

This work consists of providing and maintaining truck mounted attenuators (TMA).

808.2Materials.

Not applicable.

808.3Construction.

A.Positioning the TMA:

1.Use the TMA in accordance with the DE MUTCD .

2.Position the TMA so the distance between the front bumper of the shadow vehicle and the

closest point of the work area is in accordance with the manufacturer’s roll -ahead recommendations. Keep a copy of the manufacturer’s recommended roll -ahead distance in the shadow vehicle at all times.

3.Place the TMA so the equipment does not block driveways, commercial vehicle entrances, or

streets and does not interfere with sight distance restrictions unless approved by the engineer.

4.Position the TMA in the full down position and set the display for the arrow board to the

appropriate designation based upon the type and location of work.

5.Use additional TMAs if the distance between what the TMA is protecting and the front of the

shadow vehicle is at least twice the recommended roll ahead distance. 808.3.1 Equipment.

A.Provide a shadow vehicle, driver, and truck or a TMA.

1.Provide a shadow vehicle with a valid registration, a registration number plate, current

inspection documentation, weight verification, and proof of insurance.

2.Provide operators that possess a valid driver’s license of the required class to operate the

shadow vehicle.

3.Provide truck or trailer mounted style TMA meeting the crash testing requirements of MASH .

a.Submit the latest version of MASH eligibility letters in accordance with Section 801.2.

b.Ensure a Type I TMA meets the requirements of Test Level 2. Do not use on roadways with

posted speeds greater than 40 miles per hour.

c.Ensure a Type II TMA meets the requirements of Test Level 3.

4.Attach the TMA to the back of the shadow vehicle in accordance with the manufacturer’s

recommendations.

5.Provide a shadow vehicle in accordance with the TMA manufacturer’s recommendations for

weight requirements.

a.Keep a weight ticket from a certified scale house in the vehicle at all times indicating the

weight of the shadow vehicle.

Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 452–453 of 779.

← Previous

80600 1 TRAFFIC OFFICERS HR

80702 5 REMOVE TEMPORARY PCC SAFETY BARRIER PINS, FROM BITUMINOUS PAVEMENT LF