Page 222 - Plant design and economics for chemical engineers

Dire-3
Direct Dweci Direct Dwect labor Dwect
material labor total cost mOtk?rlOl totol cost
E+M) M‘ (E + M •t- ML) (E+M) ML (E + A:’ + M,.)
E = F.0.B equipment 1 0 0 . 0 E = F.0.B equipment
Plping modu
/ factor / Concrete
Bare Concrete (x3.4 Bore Steel
steel
module Instruments M module Instruments M chct
factor
factor Electrlcol Dwect Electrical cost
(X 2.5)5) lnsulot1on cost (x? r18) Insulohon foCtOr*
ioctor.
t-+~ot+&+
Pomt (x 2.20) Pomt M.61)
M Oter iol M Clter 101
foe :tot :tor
(xl .6: 2) 1:.27
L
= 0.27 Indirect
f o c t a
M.29)
l Field instollohon *Field instollotlon
208.1
L : Total bore module I- + Bare module -A
Conhngency and fee (18 %)- 53.1 Contingency ond fee (lB%)- 37.5
Total module cost Total module cost
(a)“Normcl” module for o chemical process umt wth resultant Long (b)“Normol” module for (1 mechanical equpment umt with resultant Lang
factor of 3.482 factor of 2.456
FIGURE 6-6
Example of a “normal” module as applied for estimating capital investment for a chemical process
and a mechanical equipment unit. [Adapted from K. M. Guthrie, Capital Cost Estimating, Chem.
Eng., 76(6):114 (March 24, 1969j.l