Silt Booms

Typical applications are

  • Working on the banks of rivers
  • Water dredging works on lakes and rivers
  • Excavating works inland harbours
  • Equipment of water bridge, harbour constructor and dredging companies

Details

Available in 3 standard sizes and custom dimensions to order silt boom are designed to prevent silt contamination of waterways caused by manmade or natural erosion, these fast to assemble and deploy booms are ideal for sheltered and inland waters.

Note - Freeboard is the vertical height of the product above the water and draft is the depth of the product below the water.

Silt Booms
Art. No.: SH-SB450 (CB450 + Geotextile) SH-SB650 (CB650 + Geotextile) SH-SB900 (CB900 + Geotextile)
Freeboard: 150 mm 250 mm 300 mm
Draft: 300 mm PVC + geotextile 2500 mm, 5000 mm or custom size 400 mm PVC + geotextile 2500 mm, 5000 mm or custom size 600 mm PVC + geotextile 2500 mm, 5000 mm or custom size
Overall length: 2950 mm or 5450 mm 3150 mm or 5650 mm 3450 mm or 5900 mm
Section length: 25 m or custom length
Buoyancy to weight ratio: 4:1
Weight: 2.2 kg per m + geotextile 2.6 kg per m + geotextile 5.4 kg per m + geotextile
Packaging volume: 0.55 m3 per 25 m + geotextile 0.90 m3 per 25 m + geotextile 1.20 m3 per 25m + geotextile
Ballast: 8 mm hot dip galvanised steel chain + 4 mm chain for geotextile 8 mm hot dip galvanised steel chain + 4 mm chain for geotextile 10 mm hot dip galvanised steel chain + 4 mm chain for geotextile
Breaking strength: ASTM D 5035 (length wise & width wise 2.94 kN/5cm)
Operational temperature: 0°C to +60°C
Fabric: 900-1300 g/m2 woven polyester scrim coated with PVC
Colour: Orange or yellow
Connection: Boom: extruded aluminium ASTM 962 (standard 14.7 kN/5cm)
Geotextile: Velcro
Boom requirement dependent on the water speed
Current speed in knots Boom to bank angle Length of boom in relation to width of river
0.36 m/s 90° 1 times
0.51 m/s 45° 1.4 times
0.77 m/s 30° 2 times
1.03 m/s 20° 3 times
1.29 m/s 16° 3.5 times
1.54 m/s 15° 4.3 times
1.80 m/s 11° 5 times
2.05 m/s 10° 5.7 times
2.32 m/s 7 times
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