Submittal Documentation III

Option 1 Determine the pre-dev. discharge rate and quantity for 1 and 2 year 24 hour storms. Determine post-dev. rates and show that post is less than/equal to pre- amount.

Option 1 b. Describe project site conditions, the measures taken and controls to prevent excessive stream velocities and erosion. Include pre- and post- calculations.

Option 2 Post-rate must be 25% < pre development