Specifications include, but are not limited to: 1. The maximum exposed surface area for the Contractor's operations in excavation, borrow, and embankment is 18 acres (72,800 m2) plus an equal area of clearing and grubbing/large tree removal. A written request for an increase in the maximum exposed surface area may be approved by the Engineer. This approval will be based on the soil, moisture, seasonal conditions, the Contractor’s operation, or other conditions. 2. The Engineer shall have the authority to reduce the maximum exposed surface area when any of the following conditions warrant: a. Soil and moisture conditions are such that erosion is probable. b. Seasonal conditions may force extended delays. c. Proximity to the waters of the state requires more stringent controls. d. Equipment and personnel available on the job is not sufficient to properly maintain erosion and dust control measures. e. Any other environmental condition in the area that may exist which would be affected by erosion from the project. 3. Construction operations in rivers, streams, wetlands, and impoundments shall be restricted to those areas specifically shown in the contract. Rivers, streams, wetlands, and impoundments shall be promptly cleared of all false work, piling, debris, or other obstructions placed therein or caused by the construction operations.
