TABLE 1 ~ COST COMFARISON OF VARIOUS OPTIONS FOR INDUSTRIAL SEWER
(costs in thousands ~- 1986 rates)

COST ITEM OF TIONS

CURRENT -FROJECT

Costs already incurred
Costs to complete prajuect
Increase in water costs

Total sewer construction costs

Less recoverable from bond
Flus legal costs to recover

‘Net cost ta City” |

Grinder costs at current density
Accumulated maint for 3O years

Total City cost-—current section

FUTURE SECTIONS

Construction costs ,
Grinder costs

Accumulated maintenance costs

Total City cost-futwre sections

Total City cost-all sections

DCC’s recoverable-current rates

Net City cost-all sections

Cost. per-pump. —. Lote td

“No. of: pumps-this section
No. of pumps-other sections
Annual maint. cost per pump
Years of accumulated maint. costs
No. of pipe flushes per year
Unit pipe flushing cast #/m

°

te

NNOWUG A

e
ul

NOTE: The above table is for the sewer portion of the contract only.
The original contract for both water and sewer was for $312,204 plus
contingencies. The comparable price using option C is $425, 629.