(including soil and shrub and tree clippings) can wash into water
||Measures should be taken to minimize erosion and
screen other debris from entering the stormwater system. For more
information, please see the Delaware
Sediment and Erosion Control Handbook
waters from concrete mixers can run down the street gutter
into the storm drains.
waters should be disposed of at the contractor’s site or a large
hole, big enough to contain all the wash waters.
oils, solvents and other hazardous fluids may spill or rainfall
could wash these hazardous fluids into nearby waterways.
storage for used oils, solvents and other hazardous fluids must be
under cover with secondary containment in case of a spill and to prevent
exposure to rainfall which would wash hazardous fluids into nearby
and earthmoving pollutants include soil disturbing activities,
excavation, tilling, masonry and concrete, solid wastes such as
trees and shrubs, soil additives and revegetation of graded areas.
All contribute to soil erosion.
possible, preserve existing vegetation. Determine the erosion and
sediment control practices and install them before clearing the site.
Among the more commonly used practices are vegetative filter strips,
silt fence, gravel drives, and runoff inlet protection. Revegetate
the site as soon as possible.
and equipment maintenance becomes a significant factor when
engine repairs or preventive maintenance such as changing oil and
other fluids occurs at the construction site.
site facilities should be used and work performed in designated areas
only. Provide cover for materials stored outside, contain and clean
up spills immediately, and train employees and subcontractors.