Laserfiche WebLink
DRAINAGE CRITERIA MANUAL (V. 3) CONSTRUCTION BEST MANAGEMENT PRACTICES <br />• <br />diECIC DAM <br />Definition <br />Small temporary dam constructed across a Swale or drainage ditch. <br />Purses <br />To reduce the velocity of stomrwater flaws and erosion of the swage or dreh. <br />ROCK CHECK DAM <br />• <br />A- fn F- Inr_h Rrv* <br />L = The distance such that ppO0lnts <br />A and B are of anual aiavatinn_ <br />From: Virginia Soil and Water Conservation Commission, 1985 <br />Figure C-21-Check Dam <br />z <br />C-60 9-1-99 <br />Urban Drainage and Flood Control District <br />SPACING BETWEEN CHECK DAMS