Blackburn Wastewater Treatment Plant Upgrade Study
Blackburn Wastewater Treatment Plant Upgrade Study
Blackburn Wastewater Treatment Plant Upgrade Study
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Section 4.0 - Blackbum <strong>Treatment</strong> O~tions<br />
Diameter, mm 300<br />
Length, m 100<br />
Gravity sewer along 15' Ave. from Taylor Drive to Birch Street;<br />
connect to 525 diameter sewer<br />
Diameter, mrn 300<br />
Length, m 180<br />
Pumpstation<br />
<strong>Upgrade</strong> Mackus Road PS for PWWF capacity<br />
Supply and install PS at existing Blackbum WWTP site to<br />
service residence along Graves and Foreman Roads; capable of<br />
pumping 10 percent of PWWF.<br />
Miscellaneons<br />
Restorellandscape existing Blackbum WWTP site.<br />
4.1.3 Cost Estimate<br />
Pipework<br />
150 forcemain, $100/m<br />
200 forcemain, $1 8Olm<br />
200 syphon, $200/m<br />
300 gravity sewer<br />
<strong>Blackburn</strong>, $160/m<br />
Downtown, S250lm<br />
Pumpstation<br />
Mackus Road PS, LS<br />
Foreman Road PS, LS<br />
Miscellaneous<br />
<strong>Blackburn</strong> WWTP site restorationflandscaping, LS<br />
Subtotal<br />
Contingencies (1 5 percent)<br />
Engineering/Administration (20 percent)<br />
GST (3 percent)<br />
TOTAL<br />
4.2 OPTION 2 - DECOMMISSION EXISTING BLACKBURN WWTP AND<br />
ROUTE ALL FLOW TO LANSDOWNE ROAD \ m P VIA GRAVITY<br />
SEWER CONNECTION<br />
4.2.1 Outline<br />
In this option the existing sewage lagoons would be decommissioned and all<br />
flows transferred for treatment at the Lansdowne Road WWTP via a new trunk<br />
gravity sewer. A schematic representation of this option is presented in Figure