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Blackburn Wastewater Treatment Plant Upgrade Study

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Section 6.0 -Recommended Option<br />

Gravity sewer upgrade, along Taylor Drive, 15" Ave, Ash Street<br />

to Birch Street; connect to 525 diameter sewer.<br />

Diameter, mm<br />

Length, m<br />

Pumpstation<br />

<strong>Upgrade</strong> Mackus Road PS for PWWF capacity of 50 Us; 1<br />

duty/l standby pumps, plus back-up power.<br />

Suppiy and install PS at existing <strong>Blackburn</strong> WWTP site to<br />

service residence along Foreman and Graves Roads; capable of<br />

pumping 5 US; 1 duty11 standby pumps.<br />

Miscellaneous<br />

R&oreflandscape existing Blackbum WWTP site.<br />

6.6 PROJECT STAGING<br />

Stage 1 (2000-2001)<br />

Complete inflow rehabilitation work to reduce flows by 2,170 m3/d.<br />

Complete accelerated 3 year infiltration rehabilitation work to reduce<br />

flows by an additional 1,070 m3/d, using the following techniques:<br />

> Video inspectionkmoke testing of pipelines.<br />

3 Repair MH's.<br />

> Repair leaking pipework.<br />

> Repair private connections.<br />

9 Repair municipal connections.<br />

Stage 2 Predaign Option I (2001)<br />

New forcemain and gravity trunk sewer from Mackus Road PS to<br />

Regional Correctional Centre tie-in.<br />

Downtown sewer work<br />

Mackus Road PS upgrades<br />

New forcemain from Blackbum JWTF site to connect to Mackus Road<br />

PS<br />

Foreman Road PS<br />

<strong>Blackburn</strong> WWTP restorationilandscaping<br />

Stage 3 (2002)<br />

Complete 111 reduction program so that PWWF/ADWF=2.0<br />

6-4<br />

34 ' P%O>ECT~'ZW~~~I~~."JJI~~~~<br />

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