217Herbicide Treatment

Herbicide Treatment

Description

217.01This work consists of furnishing and applying herbicides to prevent or control plant

growth in areas shown on the plans or designated.

Materials

217.02Herbicides shall be designated in the contract

All herbicide labels shall be currently registered with the Colorado Department of Agriculture and the U.S. Environmental Protection Agency. All herbicides shall be supplied to the project in labeled containers. The labels shall show the product name, chemical composition, expiration date, and directions for use.

Construction Requirements

217.03All herbicides shall be applied by commercial pesticide applicators licensed by the

Colorado Department of Agriculture as qualified applicators. The Contractor shall furnish documentation of such licensing before herbicide application. Herbicide mixing and application shall be done per instructions on the registered product label. The Engineer shall be furnished such label information before mixing and application. The Contractor shall notify the Engineer at least 24 hours before each herbicide application and shall indicate the time and location application will begin. Application will not be allowed on Saturdays, Sundays, or holidays unless otherwise approved by the Engineer.

Herbicides shall not be applied when weather conditions, including wind conditions, are unsuitable for such work. Herbicides shall not be applied when soil is extremely dry.

Herbicide application method shall be such that plant growth outside the designated treatment areas will not be damaged. All damage caused by improper herbicide application shall be repaired at the Contractor's expense.

Herbicides shall not be used on areas that are to be topsoil sources unless otherwise approved by the Engineer.

Method of Measurement

217.04The quantity of herbicide treatment to be measured will be the actual number of

square yards treated per the foregoing requirements or the actual number of hours the Contractor spends applying the herbicide and accepted by the Engineer. Areas designated to receive herbicide treatment will be measured once for each designated application. Reapplication of herbicide required due to inappropriate timing of the original application will not be measured or paid for.

217.05

Basis of Payment

217.05The accepted quantities of herbicide treatment will be paid for at the contract unit

price per square yard or per hour.

Payment will be made under:

Pay Item Pay Unit Herbicide Treatment Square Yard Herbicide Treatment Hour

Water will not be measured and paid for separately but shall be included in the work.

250.01