8-10Guide Posts and Barrier Delineators

8-10.1 Description

This Work shall consist of furnishing and placing flexible guide posts and barrier delineators of the type specified in the Plans in accordance with these Specifications and the Standard Plans , at the locations indicated in the Plans or where designated by the Engineer.

8-10.2 Materials

Materials shall meet the requirements of the following sections: Flexible Guide Posts 9-17 Barrier Delineators 9-18 Adhesives for Flexible Guide Posts 9-02.1(8), 9-26.2 Miscellaneous Hardware 9-16.2(1)H Reflective Sheeting 9-28.12 Adhesives for barrier delineators shall be in accordance with the manufacturer’s recommendations.

8-10.3 Construction Requirements

8-10.3(1) Flexible Guide Posts

Flexible guide posts shall be installed as shown in the Standard Plans and the manufacturer’s recommendations. Delineator color shall be white on the right of traffic and yellow on the left of traffic. The posts shall be installed plumb, plus or minus 1½ degrees. Surface mounted guide posts shall be bonded to the pavement surface. The Contractor shall submit a Type 1 Working Drawing consisting of the manufacturer’s recommended installation procedures. Only one type of ground mount or guardrail mount flexible guide post shall be used on each project. When a guide post is installed on new cement concrete pavement, all curing and liquid membrane-forming compounds shall be removed prior to installation. Curing compound removal shall not be started until the pavement has attained sufficient flexural strength to avoid damage to the concrete. The Contractor shall submit a Type 2 Working Drawing consisting of the recommended removal method. If the ground adjacent to the posts is disturbed in any manner, it shall be backfilled to the level of the existing surface and thoroughly compacted. The surface of the ground adjacent to the post shall be replaced with like materials, including bituminous treatment if previously existent. When the Plans requires a guide post with concurrent guardrail runs, the Contractor shall either drive the flexible guide post in line with the guardrail posts, or mount a shorter flexible guide post onto the guardrail post in accordance with the Standard Plans. When the Plans requires a guide post with concurrent concrete barrier runs, the Contractor shall mount barrier delineators where guide posts are required.

8-10.3(2) Barrier Delineators

Barrier delineators shall be installed as shown in the Standard Plans or as specified by the Engineer. Spacing shall be as shown in the Plans. Delineator color shall be white on the right of traffic and yellow on the left of traffic. The Contractor shall submit a Type 1 Working Drawing consisting of the Manufacturer’s recommended installation procedures. Barrier delineators shall be attached to the barrier with an adhesive recommended by the manufacturer. The attachment point on the barrier surface shall be free of dirt, curing compound, moisture, paint, or any other matter that would adversely affect the adhesive bond. Page 8-64 M 41-10

8-10 Guide Posts8-10.4 Measurement

Flexible guide posts will be measured by the unit for each post furnished and installed. Barrier delineators will be measured by the unit for each delineator furnished and installed.

8-10.5 Payment

Payment will be made for the following Bid item when included in the Proposal: “Flexible Guide Post”, per each. “Barrier Delineator”, per each.