A siltsack sediment control device is positioned within a catch basin inlet for stormwater management. An exploded axonometric view shows the removable steel grate, the geotextile siltsack supported by a one-inch rebar for bag removal, and the concrete catch basin structure with a connected drainage pipe. A companion section view details internal expansion restraints consisting of one-quarter-inch nylon rope and two-inch by two-inch by three-quarter-inch rubber blocks. A drawing note specifies flow rates of forty gallons per minute per square foot for regular flow and two hundred gallons per minute per square foot for high flow.
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