Curb and Drop Inlet Protection Devices - Colonial Construction Materials
Colonial provides curb inlet and drop inlet protection devices to prevent sediment laden runoff from entering the stormwater system. Our inlet protection products address specific stormwater requirements by using innovative designs and efficient materials.
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Inlet Protection

Inlet Protection Devices

Stormwater inlets are designed to drain the runoff from impervious surfaces. Drop and curb inlets can be the last line of defense that prevents sediment laden runoff from entering the stormwater system. These inlet protection structures can provide filtration, reduced flow velocity, and removal of pollutants.

 

Curb Inlet Protection Products

 

Travel Lane Wattle

This curb inlet device is filled with pine straw and wrapped in green polyester fabric. Internal sandbags are built in for support and weight. The Travel Lane Wattle is designed for high visibility, high flow and ease of use (handles are built in for easy lifting!) Reuse the wattle when you need stream, inlet or slope protection.

Available sizes: 8” x 10’, 8″ x 15’ and 8″ x 22’

Diamond Sock

Diamond Sock is a versatile compost filter sock product that provides filtration of sediment laden runoff and reduces the sheer velocity of the water before it enters the stormwater system. Diamond Sock’s unique continuous pallet option means it can meet any curb inlet size by simply cutting the desired length and securing each end with ties. Any moderate to large job size will see major cost savings when using a pallet for all curb and drop inlets. Sand bags and stakes may be used to secure the product in some high flow areas.

Stock sizes: 8″ x 190′, 8″ x  10′, 12″ x 110′, 12″ x 10. Larger sizes available upon request

Excelsior Log

The excelsior log is a lightweight, environmentally friendly, and cost effective option. The 12″ x 10′ log can easily be installed to cover most any curb inlet size, with overlap.  The Curlex Sediment Log filters water through its aspen fiber matrix, not allowing water to run underneath and into the storm drain. Excelsior logs can naturally reduce velocity and most importantly collect sediment that might contaminate the water table.

Dandy Curb

The Dandy Curb is a high strength and reusable product. The Dandy Curb has a stone-filled pouch that provides weight and protection against sheer flow. The pouch is attached to a tube covered in high visibility orange monofilament fabric. The tube prevents runoff from overflowing the apron and the monofilament fabric filters runoff before the water can enter the stormwater system. Sizes are available to meet most inlet sizes.

Dandy Curb Sack

If you want a curb inlet combined with a drop inlet, the Dandy Curb Sack is the perfect match. The Dandy Curb tube prevents runoff from entering the curb inlet portion. The Dandy Sack attaches to the tube and drops into the inlet in front of the curb base, providing a two-part defense system against sediment laden runoff. This system provides strong, reusable curb and gutter protection.

 

Drop Inlet Protection Products

 

Frame and Filter Assembly, Round or Square

The Frame and Filter Assembly is a dome structure designed to fit on top of precast inlets. It is available as a Round or Square Frame. The dome does not require any grate removal; simply set the structure on top of the inlet. The reusable plastic frame is covered with either DOT 2 Stage Filter Fabric or High Flow Filter Fabric. Rock bags are built into the filter and seal the perimeter of the frame. Fill these bags with rock, sand or soil.

The Round Frame is 32″ tall and 60″ in diameter.

The Square Frame is 27.5″ tall and 62″ in diameter.

Low Profile Rectangular Dome

Use the Low Profile Frame & Filter Assembly over grated inlets and cover inlets, no grate removal necessary! The patented dome structure is available as a rectangle or square. Use the Low Profile for median inlet protection and surface ground protection. The Low Profile Frame is reusable and available with either DOT 2 Stage Filter Fabric or High Flow Filter Fabric. Rock bags are built into the filter and can be filled with rock, soil or sand.

The Low Profile Rectangular Frame & Filter Assembly is 30” x 46” x 16”

The Low Profile Square Frame & Filter Assembly is 42″ x 42″ x 16″

Dandy Pop

Dandy Pop was designed for high visibility and protection. The unique design provides a time-saving alternate protection to the “old school” method of silt fence boxes. Simply remove the grate, slide it into the Dandy Pop slot, and replace the inlet with the Dandy Pop by using the lifting straps. The Dandy Pop fully encloses the grate and provides filtration with slowed flow before the suspended solids can enter the storm water system. Multiple sizes are available to fit most standard grates.

Inlet Sentry

The inlet sentry features an above ground drop inlet protection with its unique “donut” design. Designed by industry experts, the inlet sentry is fabricated of high strength monofilament materials. The sentry’s International Orange and white color makes it highly visible and easy for contractors and inspectors to monitor and maintain. The sentry is constructed with an elastic adjustable grate skirt and overflow ring on the top. This provides a secure multi-flow system for drop inlets. The inlet sentry is a unique design that is 100% reusable and cost effective.

Dandy Sack

The Dandy Sack features and open face design to allow traffic to move freely above while providing unparalleled runoff protection below. The Dandy Sack is manufactured with high strength monofilament fabric to filter out all suspended solids before they can enter the stormwater system. It is sturdy enough to support the high flow volume.

Dandy Bag

The Dandy Bag is an above ground drop inlet protection device that should be used in applications where mud and deeply saturated aggregate are freely moving. The Dandy Bag is constructed with high strength monofilament fabric. The Dandy Bag is manufactured to fit both round and square grates for most any municipality.

 

Specialty Products

 

Pipe Stopper

The pipe stopper is a reusable HDPE device that should be used to reduce or prevent the flow of sediment into stormwater pipes. The Pipe Stopper eliminates the need for silt fence pipe protection. The frame is covered with either DOT or High Flow filter fabric that attaches to the frame with friction fingers. The Pipe Stopper is designed to fit inside 15”, 18”, 24” and 30” diameter pipe. Custom sizes are available as well.

SPECIFICATIONS

CURB INLET PROTECTION

Excelsior Log

American Excelsior

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Dandy Curb

Dandy Products

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Dandy Curb Sack

Dandy Products

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Travel Lane Wattle

Silt Saver

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DROP INLET PROTECTION

Dandy Sack

Dandy Products

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Inlet Sentry

Dandy Products

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Dandy Bag

Dandy Products

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Dandy Pop
Round Frame and Filter Assembly
R-100A
Square Frame and Filter Assembly
S-200A

Silt Saver

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Low Profile Square Frame
LPS-600A

Silt Saver

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Low Profile Rectangular Frame
LPR-500A

Silt Saver

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SPECIALTY PRODUCTS

Pipe Stopper