Attenuator - SLED System [Price for 1]

Sentry Longitudinal Energy Dissipater (SLED)

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The Sentry Longitudinal Energy Dissipater (SLED) is a narrow, non-redirective gating crash cushion. SLED is designed to shield the end of all permanent and temporary portable barrier shapes including concrete, steel and plastic. SLED's unique design incorporates four internal steel cables which help envelop the impacting vehicle, reducing the possibility of secondary accidents. The SLED End Treatment does not require foundation anchor bolts to be attached to the road or bridge deck. The complete crash cushion can be installed quickly, with as little as one pick up truck and two workers on compacted dirt, gravel, decomposed granite, asphalt or concrete.
 

TL-1 Specifications

Weight: Empty 675 lbs - Filled 2,505 lbs Length: 12' 7" Width: 22.5" Height: 42" Speed Rating: 31 MPH

TL-2 Specifications

Weight: Empty 835 lbs - Filled 4,505 lbs Length: 18' 11" Width: 22.5" Height: 42" Speed Rating: 45 MPH

TL-3 Specifications

Weight: Empty 995 lbs - Filled 6,505 lbs Length: 25' 3" Width: 22.5" Height: 42" Speed Rating: 62 MPH

Each SLED module is manufactured from a high visibility yellow polyethylene that is UV stabilized to minimize degradation. It is designed to deform and rupture on impact, absorbing the energy of the errant vehicle. SLED has the most versatile transition for shielding all permanent and temporary portable barriers. The combination of hinging and contouring, allows the transition panels of the SLED End Treatment to be attached to narrow, wide or other profile shapes with either converging, or diverging angles, up to 10 degrees.

Features

• FHWA Accepted for Shielding the Blunt End of Concrete, Steel and Water Filled Barriers
• Quick and Easy Set-Up, No Foundation Anchoring, Minimized Installation Exposure Time
• Cost Effective End Treatment for Concrete, Steel or Water Filled Barriers
• Universal Transition Quickly and Easily Attaches to a Variety of Barrier Shapes and Sizes
• SLED's Stout Design Virtually Eliminates Vaulting
• Narrow Footprint is Ideal for Work Zones or Roads with Minimal Shoulder Spacing
• Shortest Length TL-3 Water Filled Crash Cushion, Fewer Incidental Impacts
• Containment Impact SLED Minimizes Debris Field
• Visual "Drive By" Fill Indicators Quickly Verify Water Module's are Properly Filled
• FHWA Accepted for Use in Uni- and Bi- Directional Applications
• Internal Steel Cables Help Envelop Vehicle After an Impact, Creating a Truly "Limited Gating" System

Frequently Asked Questions:

Will the Sentry SLED Systems (TL1, 2 or 3) work for a bus?  This is at an airport going 10-15 mph.  These are passenger buses.  

The SLED End Treatment and the Sentry Water Cable Barrier are both tested, passed, and eligible for use as TL-3 devices under MASH 2016 test criteria (refer to FHWA Eligibility Letters CC-131 for SLED transition to Concrete Median Barrier, CC-151 for SLED transition to Sentry Water Cable Barriers, and B-279 for Sentry Water Cable Barrier only). Both of these devices (used together or separately) have been deployed/installed in areas where the potential to be impacted by large vehicles at higher/lower speeds is very high and has proven to perform to their design intent. Regarding the listed speed rating the customer provided, either of these devices (used together or not) would be an appropriate application, provided they are installed correctly.

Is the SLED system capable of attaching to a water wall barrier?

No, just the Mini SLED System can attach to a water wall.

How many yellow sentry barriers come in a TL2 SLED System?

3 barriers total, the front barrier remains empty and sits in the SLED, then there are two connected behind it.