IADC ASP Program - 1999 Final Summary Report 
 

 

LTI Incidence Rate indicates the number of lost-time accidents calculated per 200,000 manhours, the method used by the U.S. Occupational Safety & Health Administration (OSHA). indicates the number of lost-time accidents calculated per 200,000 manhours, the method used by the U.S. Occupational Safety & Health Administration (OSHA).

LTI Frequency Rate indicates the number of lost-time accidents calculated per 1 million manhours. This method is used by many regulatory bodies around the world. indicates the number of lost-time accidents calculated per 1 million manhours. This method is used by many regulatory bodies around the world.

Final Report 1999
January - December
Note: Figures are unaudited

CATEGORY TOTAL
MANHOURS (MHs)
TOTAL
MTOs
TOTAL
 RWCs 
TOTAL
 LTIs
TOTAL
 FTLs
 TOTAL
 RCRD
LTI 
INCD.
 RATE
LTI 
FREQ.
 RATE
DART
INCD.
RATE
DART
FREQ.
 RATE
RCRD 
INCD. 
RATE
RCRD 
FREQ. 
RATE
US Land 25,701,218.90 565 233 246 1 1045 1.92 9.61 3.74 18.68 8.13 40.66
US Water 37,056,774.00 302 152 58 0 512 0.31 1.57 1.13 5.67 2.76 13.82
International Land 44,284,741.00 291 72 119 2 484 0.55 2.73 0.87 4.36 2.19 10.93
International Water 41,768,949.00 182 30 99 6 317 0.50 2.51 0.65 3.23 1.52 7.59
European Land 4,060,402.00 12 5 21 0 38 1.03 5.17 1.28 6.40 1.87 9.36
European Water 19,538,357.00 154 30 86 0 270 0.88 4.40 1.19 5.94 2.76 13.82
US COMBINED 62,757,992.90 867 385 304 1 1557 0.97 4.86 2.20 10.99 4.96 24.81
INTERNATIONAL COMBINED 86,053,690.00 473 102 218 8 801 0.53 2.63 0.76 3.81 1.86 9.31
EUROPEAN COMBINED 23,598,759.00 166 35 107 0 308 0.91 4.53 1.20 6.02 2.61 13.05
INDUSTRY TOTAL 172,410,441.90 1506 522 629 9 2666 0.74 3.70 1.35 6.73 3.09 15.46
MTO = Medical Treatment Only INCD = Incident Rate (200,000 MHs): LTI INCD Rate = (LTI s+FTLs) *  * 200000 / Total MHs
RWC = Restricted Work Case DART INCD Rate = (LTI s+RWC+FTLs) * 200000 / Total MHs
LTI = Lost Time Accident RCRD INCD Rate = (MTOs+RWCs+LTIs+FTLs) * 200000 / Total MHs
FTL = Fatality  FREQ = Frequency Rate (1,000,000 MHs): LTI FREQ Rate = (LTI s+FTLs) * 1000000 / Total MHs
RCRD = Total Recordable LTI FREQ Rate = (LTI s+RWC+FTLs) * 1000000 / Total MHs
  RCRD FREQ Rate = (MTOs+RWCs+LTIs+FTLs) * 1000000 / Total MHs

Also Available for ASP Rig: 5 Year Summary Report


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