Trenching Brochure - Wind Energy Network

GENERALBT800 BT1100 BT2100 BT2400Depth ratingDimensionsLength (with tools)WidthHeightWeight in air1000msw13.0m6.0m5.4m35 Te1000msw13.5m6-7.5m5.5m50 Te1000msw14.5m7.5m5.5m60 Te1000msw22.5m13.0m9.6m180 TePERFORMANCETrench depth (jetting)Max. product diameterSpeed 0-250m/hrSoil types Sandsclaysrock1.0-2.0m300mmAll sands10 to 1000kPa1 to 40 MPa1.0-3.0m300mmAll sands10 to 1000kPa1 to 40 MPa1.0-3.5m800mmAll sands10 to 1000kPa1 to 80 MPa2.5m1500mmAll sands10 to 1000kPa1 to 80 MPaSoft ground capability (with buoyancy)Installed power12-20 Pa600kW total2 x 300kW HPU12-20 Pa800kW total2 x 400kW HPU14-25 Pa1600kW4.400kW HPU20-40 Pa2400kW total6 x 400kW HPUMECHANICALHigh strength steel chassisReplaceable wear-resistant steel wear partsStainless steel fittings and housingsTRENCHING SYSTEMConfiguration – single vertical hyd. drive chaincutter with separate rear jet tool.Trench Profile DepthWidthChain powerChain widthChain speed 0 to 4m/sHeavy duty chain with point attack picksForward dredge pump (spoil removal)Dredge spoil backfillspoil fed to cover cableJetting configuration –Water pumps supply hyd. deployabletwin-legged device either side ofcable with in-built depressor.Jetting powerJet leg depth2.0m0.5m300Kw600mm50kW 400m 32 x 200kW2.0m2.0 & 3.0m vert.0.6m400kW600mm1 x 75kW 600m 32 x 300kW3.0m3.0m0.6m800kW600mm2 x 75 kW 1200m 32 x 300kW3.0m2.0 & 2.5m ‘V’4.0m (90 deg.)3 x 400kW900mm3 x 75kW 1800m 32 x 400kW2.0m