Turbidity Barriers Spec Type 1.DOT

June 2008
Layfield Type 1.EcoPlan
Layfield Type 1.DOT (HD)
Water Current Limitations
Layfield Type 1. Turbidity barriers are for use in waters with low currents less than one foot/sec, and light winds; lakes, ponds, small streams, marshes
Floatation Buoyancy
9 lbs/ft
11 lbs/ft
Floatation Size
4” x 4” x 4’
6” x 6” x 4’
Fabric Curtain Body
14 oz/yd2 Yellow Vinyl coated on a 3 oz/yd2 polyester scrim
18 oz/yd2 Yellow Vinyl coated on a 6 oz/yd2 polyester scrim
Grab Tensile
255 x 253 lbs.
397 x 373 lbs.
Tongue Tear
90 x 70 lbs.
96 x 86 lbs.
D-751-95 Section 43.1.2
15 lbs.
15 lbs.
Hydrostatic Resistance
D-751-95, Sec 34.2
175 psi
385 psi
Curtain edge construction has 5/8” PP twisted rope reinforcements heat sealed into a pocket with # 4 brass grommets installed approx. 12” oc. to act as a lacing point.
Ballast Chain Weight
1/4” galvanized chain / 67 lbs. / 100 ft that extends the entire barrier length. 
Top Load Cable
All seams to be heat sealed


close menu