CESSWI- 8 (BMPs) Exam with precise detailed ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
solutions
Existing vegetation - correct answer✔✔-designed to stabilize soil and to remove suspended
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
particles from sheet flow runoff ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= some regions may not have vegetation to work with ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Scheduling - correct answer✔✔-involves creating a written plan to address necessary BMPs ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
and sequencing of construction events
||\\//|| ||\\//|| ||\\//|| ||\\//||
-must take into account local considerations such as rainfall, wind, soil types
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
-overall purpose is to minimize the amount and duration of exposed soil
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Tree protection - correct answer✔✔-protecting trees so they don't have to be removed
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
-delineate tree area with fencing or similar devices ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Hydromulch - correct answer✔✔-consists of wood or other fiber in a hydraulic matrix with ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a stabilizing emulsion or tackifying agent
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= requires curing time, not meant for high-traffic areas ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Hydroseed - correct answer✔✔-consists of seed, fertilizer, and stabilizing emulsion applied ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
with hydraulic equipment to protect soils from wind and water
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= may be difficult on steeper slopes ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Mulching - correct answer✔✔designed to reduce erosion and runoff by applying straw,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
wood, bark, or other mulching material to exposed soil
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
, Limitations= not suitable for steep slopes, undesirable species may be introduced to your ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
site
Rolled Erosion Control Products (RECP) - correct answer✔✔-erosion control blankets
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
(temp.) or turf reinforcement mats (permanent) that act as soil stabilization devices.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Constructed of natural materials-straw, wood excelsior, or coconut husk. ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Seeding - correct answer✔✔-brings about the establishment of temporary or permanent
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
vegetative cover ||\\//||
Sod - correct answer✔✔-operates, by laying either in squares or rolls, a thick, lush
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
vegetative cover on top of soil ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= time from harvest to installation should not exceed two to three days; DO ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
NOT mow until the sod has had a chance to establish a local root system
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Soil Binders - correct answer✔✔-applied to disturbed soils to reduce erosion (ex.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
polyacrylamides (PAM)) ||\\//||
Surface Roughening - correct answer✔✔-uses mechanized equipment to apply a rough
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
texture to graded soils. This forces water to encounter multiple small "sediment traps"
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
-horizontal depressions applied on the contour ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Tackifiers - correct answer✔✔-adhesives that are used to secure mulch materials to a ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
surface and to other mulch materials or to cause soil particles to stick to one another
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Temporary Stabilization - correct answer✔✔-designed to reduce erosion by stabilizing areas ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
that willl lay bare for extended periods (ex. stone and plastic)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
solutions
Existing vegetation - correct answer✔✔-designed to stabilize soil and to remove suspended
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
particles from sheet flow runoff ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= some regions may not have vegetation to work with ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Scheduling - correct answer✔✔-involves creating a written plan to address necessary BMPs ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
and sequencing of construction events
||\\//|| ||\\//|| ||\\//|| ||\\//||
-must take into account local considerations such as rainfall, wind, soil types
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
-overall purpose is to minimize the amount and duration of exposed soil
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Tree protection - correct answer✔✔-protecting trees so they don't have to be removed
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
-delineate tree area with fencing or similar devices ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Hydromulch - correct answer✔✔-consists of wood or other fiber in a hydraulic matrix with ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a stabilizing emulsion or tackifying agent
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= requires curing time, not meant for high-traffic areas ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Hydroseed - correct answer✔✔-consists of seed, fertilizer, and stabilizing emulsion applied ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
with hydraulic equipment to protect soils from wind and water
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= may be difficult on steeper slopes ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Mulching - correct answer✔✔designed to reduce erosion and runoff by applying straw,
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
wood, bark, or other mulching material to exposed soil
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
, Limitations= not suitable for steep slopes, undesirable species may be introduced to your ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
site
Rolled Erosion Control Products (RECP) - correct answer✔✔-erosion control blankets
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
(temp.) or turf reinforcement mats (permanent) that act as soil stabilization devices.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Constructed of natural materials-straw, wood excelsior, or coconut husk. ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Seeding - correct answer✔✔-brings about the establishment of temporary or permanent
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
vegetative cover ||\\//||
Sod - correct answer✔✔-operates, by laying either in squares or rolls, a thick, lush
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
vegetative cover on top of soil ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Limitations= time from harvest to installation should not exceed two to three days; DO ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
NOT mow until the sod has had a chance to establish a local root system
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Soil Binders - correct answer✔✔-applied to disturbed soils to reduce erosion (ex.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
polyacrylamides (PAM)) ||\\//||
Surface Roughening - correct answer✔✔-uses mechanized equipment to apply a rough
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
texture to graded soils. This forces water to encounter multiple small "sediment traps"
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
-horizontal depressions applied on the contour ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Tackifiers - correct answer✔✔-adhesives that are used to secure mulch materials to a ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
surface and to other mulch materials or to cause soil particles to stick to one another
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Temporary Stabilization - correct answer✔✔-designed to reduce erosion by stabilizing areas ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
that willl lay bare for extended periods (ex. stone and plastic)
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
