Water Control Devices
Description
615.01This work consists of the construction of water and erosion control devices per these
specifications, details shown on the plans and to the lines and grades established.
Materials
615.02Slide headgates and automatic drain gates shall be of the sizes designated and shall be
approved by the Engineer. Parshall measuring flumes including wings shall be made of galvanized sheet steel material. Galvanize coating shall be “light commercial” minimum. Thickness of material and fabrication method shall be as approved. Measuring flumes shall have reinforced edges and an inlet throat of the dimensions designated on the plans.
Embankment protectors shall be made from material conforming to the applicable sections of these specifications.
Construction Requirements
615.03Construction methods shall conform to the requirements of Section 603
Method of Measurement
615.04Automatic drain gates, Parshall measuring flumes and embankment protectors will be
measured by the number of units of the various sizes installed. Slide headgates will be measured by the number of units of the various sizes and frame heights installed.
Basis of Payment
615.05The accepted quantities will be paid for at the contract unit price for each of the pay
items listed below that appear in the bid schedule. Payment will be made under:
Pay Item Pay Unit _____Inch Slide Headgate (______Foot Frame) Each _____Inch Automatic Drain Gate Each _____Inch x _____Inch Parshall Measuring Flume Each Embankment Protector (Type______) Each
Pipe, concrete, or other material used with any of the above items will be bid under the appropriate Section.
615.05
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