Underground Drainage System
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Dimensions and Stiffness Class of Eco-Drain Pipes as per IS:16098
|
Pipe size OD (mm) |
Pipe Ring Stiffness (KN/m2) |
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|
SN 2 |
SN 4 |
SN 8 |
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|
Wall thickness (mm) |
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|
Min |
Max |
Min |
Max |
Min |
Max |
|
|
110 |
– |
– |
– |
– |
3.50 |
4.10 |
|
160 |
– |
– |
4.30 |
4.90 |
5.10 |
5.90 |
|
200 |
– |
– |
5.60 |
6.50 |
6.30 |
7.20 |
|
250 |
– |
– |
6.50 |
7.50 |
7.90 |
9.10 |
|
315 |
6.60 |
7.60 |
8.00 |
9.20 |
9.80 |
11.30 |
|
400 |
8.50 |
9.80 |
10.60 |
12.20 |
12.00 |
13.80 |
Dimensions and Stiffness Class of U-Drain Pipes as per – IS: 15328
|
Nominal Ring Stiffness SN(KN/M2) |
2 | 4 | 8 |
| SDR | 51 | 41 | 34 |
| OD mm (D) | Wall thickness in mm (t) | ||
| 110 | – | – | 3.2 + 0.5 |
| 125 | – | 3.2 + 0.5 | 3.2 + 0.7 |
| 160 | 3.2 + 0.5 | 4.0 + 0.6 | 4.7 + 0.7 |
| 200 | 3.9 + 0.6 | 4.9 + 0.7 | 5.9 + 0.8 |
| 250 | 4.9 + 0.7 | 6.2 + 0.8 | 7.3 + 1.0 |
| 315 | 6.2 + 0.8 | 7.7 + 1.0 | 9.2 + 1.2 |
| 400 | 7.9 + 1.0 | 9.8 + 1.2 | 11.7 + 1.4 |