Your question is kind of vague. CVG is correct about LIDAR. The company supplying the DEM or TIN should include the contours.
If you mean you need to generate 2D contours from surveyed points then there are survey packages for ACAD that will do this. (Create a TIN from the points then...
Be sure to check the local municipality's regulations. They can be more stringent than NFPA.
A side note. In the area of Florida I live in the fire protection design is considered a specialty and the S&S PE must be competent in the area. We (or the architect) usually sub out the design of...
In my part of Florida the water quality volume is the volume the pond must retain without discharging. For dry ponds the volume is percolated into the soils and anything in excess of that volume can be discharge through a control structure. For wet ponds the volume is typically released at a...