Photo: David Jenkins
I am always looking for products and materials that achieve the goal of environmentally friendly erosion controls, such as this reusable water-filled diversion berm. Here is the specification I wrote for it's use; modify as needed:
Specification
Materials
Berm shall be a minimum 6 inches high and 10 feet long and made of 10 mil polyurethane or 22 oz. PVC.
Construction Requirements
Water Filled Diversion Berms
a. Berms shall be installed such that offsite water is prevented from entering the job site and site water is kept within the project boundary.
b. Berms may be used to prevent contaminants and water from entering catch basins.
c. Berms may be used on impervious surfaces.
Payment
Payment for “TESC – Water Filled Diversion Berms” will be made at the contract unit price per each per month as stated in the Schedule of Unit Prices, and shall be full compensation for furnishing the specified diversion berms. The unit price per each shall include the cost of mobilization/demobilization, cleaning, hauling and all incidentals for the number of diversion berms required by the Engineer for the duration of the contract.