IS 10061 : 1991 Proforma for analysis of unit rate of excavation of tunnels by cyclic drilling and blasting
| UDC 69.003.12 : 624.191.2 | WRD 23 |
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| Reaffirmed 2021 |
1 Scope
This standard lays down proforma for analysis of unit rate oftunnel excavation. It does not include provisions for tunnellining.