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Volumes & Dewatering Capabilities for EcoTubes™ Geotextile Dewatering Tubes

THEORETICAL TUBE VOLUMES

Circumference (ft)

End Area (sf)

Theoretical Volume @ 100% Solids (cy) per Tube Length

50’

100’

150’

200’

250’

300’

15

17.9

33.2

66.3

100.0

132.6

166.0

199.0

30

71.6

132.6

265.2

397.8

530.4

663.0

795.6

45

161.1

298.3

596.7

895.0

1193.2

1491.5

1790.0

60

286.4

530.4

1060.7

1591.1

2121.6

2652.0

3182.2

75

447.5

828.7

1657.4

2486.1

3314.8

4143.5

4972.2

90

644.4

1193.3

2386.7

3580.0

4797.2

5996.5

7160.0

THEORETICAL TUBE DEWATERING CAPABILITIES

Circumference (ft)

Max. Fill Height (ft)

Max. Capacity (cy/lf)

7.5

1.75

0.25

15

3.0

0.55

22.5

3.75

1.50

30

4.5

2.00

45

5.5

3.45

60

6.5

5.50

Sample Problem: A factory produces widgets. During production, a waste product is produced that is pumped into a dike ringed holding lagoon. Eventually, the lagoon sludge must be removed. Hauling it off in tankers is too expensive, so it must be dewatered.

Given: In-situ percent of solids is 10% Quantity is 40,000 cy (in-situ)

Assumptions: Owner wants to increase solids to 40% Laydown area lends itself to 60" EcoTubes™

Calculations: 40,000 cy@ 10% = 10,000 cy @ 40% 60' x 200' EcoTube™ holds 2,121 cy@ 100% and 848 cy @ 40%

Answer: 10,000 cy / 848 cy = 12 EcoTubes™ required

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