Unit
Item
Cost function 0.637
Parameter
Parameter range
Reference
Cost unit
45
Euro of 1998
44
Can$ of 1995
1100– 7700
45
Euro of 1998
Euro of 1998
Influent pumping station
Concrete Screws Screening
2334Q 2123Q 0.540 3090Q 0.349
Q ¼ flow rate (m3/hour)
Any unit
Excavation Compaction Concrete base Concrete wall
2.9(p/4D 2H) 24.1 0.4(p/4D 2) 713.9 0.5(p/4D 2) 933.6 0.5pDH
D ¼ diameter (m) H ¼ height (m)
Oxidation ditch
Concrete Electromech.a
10304V 0.477 8590OC 0.433
V ¼ volume (m3) OC ¼ oxygen capacity (kgO2/hour)
Settler
Concrete Electromech.a Concrete
A ¼ area (m2)
175 – 1250
45
A
60 – 400 400 – 800 60 – 7000
41, 42
Electromech.a
2630A0.678 6338A0.325 150(A/400)0.56 150(A/400)1.45 60(A/220)0.62
Electromech.a Electromech.a
9870IQ 0.53 5038Q 0.304
Q, I ¼ Engin. Indexb Q
Sludge pump
250 – 4000
Not defined
Not defined 35 – 2340
52 45
Seafood Processing Wastewater Treatment
Table 2.3 Examples of Investment Cost Functions
Can$ 1000 of 1990 US$ of 1971 Euro of 1998
a Electromech. ¼ electromechanical equipment; b Engineering News Record Index ¼ index used to update costs in United States. Source: Ref. 40
61
© 2006 by Taylor & Francis Group, LLC