Screening and straining devices - installation and maintenance recommendations Screening and straining devices - installation and maintenance recommendations

Screening and straining devices - installation and maintenance recommendations
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Device	Installation notes	Frequency of inspections	Maintenance checklist (link)	Permitted on private land/ Maintenance agreement recommended	Practices for minimizing sediment and trash buildup	Practices for mitigating erosion	Cost considerations (equipment needed and man hours)
Rain Guardian - Bunker	Specifications and installation notes available here	Following rain events [1]	Maintenance guide		Remove debris if grate is clogged, chamber is >75% full, or vertical filter wall is clogged [2]	NA	Simple hand tools; <5 minutes
Rain Guardian - Turret	Specifications and installation notes available here	Following rain events [3]	Maintenance guide		Remove debris if grate is clogged, chamber is >75% full, or vertical filter wall is clogged [4]	NA	Simple hand tools; <5 minutes
Rain Guardian - Foxhole	Specifications and installation notes available here	Following rain events [5]	Maintenance guide		Remove debris if grate is clogged, chamber is >75% full, or vertical filter wall is clogged [6]	NA	Simple hand tools; <5 minutes
Riprap check dams	General installation guidelines available here	Following each runoff event, especially after rainfall exceeding 0.5 inches [7]	Maintenance guide		Remove sediment adjacent to and behind check dam before it reaches halfway to the top, repair and restore dam [8]	To the extent feasible, use erosion prevention practices such as stabilization rather than sediment control practices, restabilization of areas where sediment removal results in exposed soil [9]
Wattles	Installation guide here	Following rain events			Frequent sediment removal is necessary	NA
Hydro Screen	No information available. Must call.	No information available. Must call.	No information available. Must call.	No information available. Must call.	No information available. Must call.	No information available. Must call.	No information available. Must call.