Differences

This shows you the differences between two versions of the page.

--- concrete_washout [2023/11/16 09:50] – megan_duffy
+++ concrete_washout [2024/05/09 11:19] (current) – megan_duffy
@@ Line 16: / Line 16: @@
   - Concrete washout areas may be either a washout container that can be attached to individual trucks, or a facility located on the construction site for communal use. If a communal container is chosen it may be one of the following: a lined or unlined excavated pit in the ground, a commercially manufactured prefabricated washout container, or an aboveground holding area with a plastic liner constructed of berms, sandbags or straw bales.
   - When unlined pits are used for concrete washout, the soil must have adequate buffering capacity to result in protection of state groundwater standards; otherwise, a liner/containment must be used. Unlined concrete washout areas shall not be located in any of the following areas to prevent an impact to water quality:
-    - Within 400 feet of any sensitive resource areas, which includes but is not limited to; storm drains, open ditches, water bodies, springs, and wetlands.
+    - Within 100 feet of any sensitive resource areas, which includes but is not limited to; storm drains, open ditches, water bodies, springs, and wetlands.
     - Within 1,000 feet of any wells or drinking water sources.
     - In areas with high groundwater or soils with inadequate buffering capacity, such as sandy or silty soils.