Blackburn Wastewater Treatment Plant Upgrade Study

Blackburn Wastewater Treatment Plant Upgrade Study
SECTION
Table of Contents
TITLE PAGE NO .
1 STUDY BACKGROUND AND OBJECTIVES ................................................... 1-1
Introduction .................................................................................................... 1-1
Blackbum WWTP .......................................................................................... 1-2
Lansdowne Road WWTP .............................................................................. 1-3
Collection System .......................................................................................... 1-3
Upgrade Options ............................................................................................. 1-4
. .
Ammonia Toxmty Issues .................................................. ............................ 1-4
. .
Population and Flow Projechons .................................................................. 1-5
1.7.1 Outline .......................................................................................... 1-5
1.7.2 Design Populations ...................................................................... 1-5
1.7.3 Design Wastewater Flows ............................................................ 1-6
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1.7.4 Design Wastewater Loads 1-8
. 1.7.5 Wet Weather Flow Impacts . 1-8
1.7.6 Wet Weather Flows 1-9
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Regulatory Background ............................................................................... 1-10
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1.8.1 Blackbum WWTP Discharge Permit 1-10
1.8.2 Lansdowne Road WWTP Discharge Pennit 1-10
1.8.3 BC Municipal
.
Sewage
.
Regulations ........................................... 1-11
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1.8.4 Ammonia Toxlclty 1-12
2 VI MITGATION MEASURES ..................................................................................... 2-1
2.1 Introduction ................................................................................................. 2-1
2.2 I/I Reduction Plan .......................................................................................... 2-2
2.2.1 Inflow Reduction ......................................................................... 2-2
2.2.2 Infiltration Reduction ................................................................... 2-2
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2.3 Rehabilitation Cost Estimates 2-3
3 AUDIT OF EXISTING FACILITIES ......................................................................... 3-1
3.1 Blackbum Wastewater Treatment Plant ....................................................... 3-1
3.1.1 Outline .......................................................................................... 3-1
3.1.2 Preliminary Treatment ................................................................. 3-1
3.1.3 Secondary Treatment ................................................................... 3-2
3.1.4 Effluent Disposal ......................................................................... 3-2
3.1.5 Sludge Treatment ......................................................................... 3-2
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3.2 Lansdowne Road Wastewater Treatment Plant 3-2