The composition of the rescue operations for disaster scene of the accident, GT20 gas-powered hydraulic power station, DS40 hydraulic diamond chain saw, cutting disc saw HRB90 Hydraulic Breaker, cut, cutting, crushing, and other functions. Technical parameters 
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 DS40 hydraulic diamond chain saw (United States the Tieli): Project 
 Unit DS40 
 * Cutting performance S 
 Cutting cross-sectional area of ??200mm × 100mm, length 500mm, strength class C40 concrete slabs, cut off time should not exceed 40s 

 * Board-the maximum length of 
 cm ≥ 43 
 * Maximum cutting depth cm ≥ 40 
 * Machine weight kg 
 ≤ 9 rated spindle speed 
 r / min 
 ≥ 5,000 input pressure range 
 MPa 
 14-25 Noise 
 dB (A) ≤ 95 
 HRB-90 hydraulic breaker the Gao (U.S. tieli): working pressure :105-140 bus 

 Impact frequency: 1300 times / minute impact: 90 joules weight: 28 kg 
 * Cutting performance: cutting a cross-sectional area of ??200mm × 100mm, length 500mm, strength class C40 concrete blocks, broken breakthrough time should not be greater than 2s 

 Hydraulic circular saw (Husqvarna, Sweden): Saw blade diameter: 400mm cutting depth: 145 
 mm flow 
 Amount :20-30lpm weight (not including the cutting equipment): 8.3 kg 
 GT20 hydraulic power station (United States the Tieli): engine: 18hp, double V, air cooled, electric start working pressure: 172bar flow: 30L/min fuel tank capacity: 11L Weight: 55KG