000 00961cam a2200217 4500
001 ABS66638
008 030429n2003 000 0 eng u
035 _a(Sirsi) u122130
100 _aSimpson, T.
245 _aExtreme order-of-magnitude estimating
260 _c2003
490 _aCost Engineer
_v41(2) March 2003, 14-16(3)
520 _aGives a definition of order-of-magnitude estimating as a quick method of determining an approximate probable cost of a project without the benefit of detailed scope definition. Describes the obstacles that were encountered and overcome at the deactivisation of process facilities at the US Department of Energy's Oak Ridge Y-12 plant. This model proved there was a less than 10% variance between estimated and actual costs.
590 _aABS
650 _aCOSTS
650 _aESTIMATING
650 _aORDER-OF-MAGNITUDE ESTIMATING
650 _aVARIANCE
690 _aQuantity surveying
_96263
942 _n0
999 _c72579
_d72579