2. Trench Rescue I presented by the… Office of the State Fire Marshall of Illinois

3. Course Content n Introduction n Trench Rescue Hazards n OSHA Regulations n Protective Systems n Shoring System Design n Rescue Shoring n Trench Rescue Operations

4. Shoring System Design n Design criteria u Soil classification F Never consider soil better that Class-B for rescue u Trench dimensions u Equipment n Design specifications u OSHA charts F Timber shoring charts

15. Shoring System Design n Design criteria u Soil classification F Never consider soil better that Class-B for rescue u Trench dimensions u Equipment n Design specifications u OSHA charts F Timber shoring charts F Hydraulic shoring charts

24. Shoring System Design n Design criteria u Soil classification F Never consider soil better that Class-B for rescue u Trench dimensions u Equipment n Design specifications u OSHA charts F Timber shoring charts F Hydraulic shoring charts u Manufacturer’s tabulated data

33. Shoring System Design n Design criteria u Soil classification F Never consider soil better that Class-B for rescue u Trench dimensions u Equipment n Design specifications u OSHA charts F Timber shoring charts F Hydraulic shoring charts u Manufacturer’s tabulated data u Other tabulated data u Custom engineering