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Incidental Construction (600-699)

612Delineators And Reflectors

CO · 2023 Standard Specifications✓ Full text on BuildSpecBook pages 639–640 Save this section

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Delineators And Reflectors

Description

612.01This work consists of the installation and furnishing of delineators and reflectors per

these specifications and in conformity with the lines, grades and details shown on the plans or established.

Materials

612.02Materials for the various types of delineators and reflectors shall be as follows:

(a)Delineators.

1.Steel Posts. Details for each type of delineator are shown on the plans. Posts shall conform to

the requirements shown on the plans, and reflectors shall conform to the requirements in subsections 713.07 and 713.10.

2.Flexible Posts. Flexible posts shall be selected from CDOT’s Approved Products List (APL) and

shall conform to the requirements in subsection 713.06.

(b)Reflectors:

1.Reflector Strip. Reflector strips shall be selected from CDOT’s APL. Details for reflector strips

are shown on the plans. Reflectivity shall conform to the requirements in subsection 713.07 and

713.10

2.Guardrail Reflector Tabs. Details for the guardrail reflector tabs are shown on the plans.

Reflectivity shall conform to ASTM D4956 Type IV.

3.Barrier Reflector. Details for barrier reflectors are shown on the plans. Reflectivity shall

conform to the requirements in subsection 713.10.

4.Median Barrier Reflector. Details for median barrier reflectors are shown on the plans.

Reflectivity shall conform to the requirements in subsection 713.10.

Construction Requirements

612.03Spacing, location, color of reflectors and placement of delineator posts shall be as

shown on the plans. The Contractor shall install reflector strips in conformance with manufacturer’s recommendations.

The length of each reflector strip shall be 34 inches, unless otherwise approved. The Contractor shall adjust the spacing between reflector strips as recommended by the manufacturer to fit the location called for in the Contract. Cutting of the reflector strips will not be permitted.

612.04

Method of Measurement

612.04Delineators and reflectors will be measured by the actual number of the various

types installed and accepted.

Basis of Payment

612.05The accepted quantities will be paid for at the contract unit price each for the pay

items listed below that are included in the bid schedule. Payment will be made under:

Pay Item Pay Unit Delineator (Type______) Each Delineator (Flexible) (Post Mounted) Each Delineator (Flexible) (Clamp Mounted) Each Delineator (Flexible) (Cup Mounted) Each Delineator (Flexible) (Surface Mounted) Each Delineator (Flexible) (Type___) Each Delineator (Drivable) (Type___) Each Delineator (Barrier) (Type___) Each Reflector (Median Barrier) Each Reflector Strip (__ Inch) Each

Concrete for anchor embedment will not be measured and paid for separately but shall be included in the work.

Surface preparation, brackets, fasteners and adhesive for reflector strips will not be measured and paid for separately but shall be included in the work.

Guardrail reflector tabs will not be paid for separately but shall be included in the work.

Payment will be full compensation for all work, materials, and equipment required to install delineators.

613.01

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Source: Colorado Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 639–640 of 943. View official source ↗

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Scoped to Colorado 2025 Standard Specifications for Road & Bridge Construction, Section 612 — Delineators And Reflectors. Every answer cites the section it came from, with a verification date — don’t trust a percentage, click the citation.