Blackburn Wastewater Treatment Plant Upgrade Study

Table of Contents
SECTION TITLE PAGE NO .
5 EVALUATION OF OPTIONS ..................................................................................... 5-1
. .
5.1 Decision Cr~ter~a ............................................................................................ 5-1
5.1.1 Introduction .................................................................................. 5-1
. . 5.1.2 Cost Cnter~a ................................................................................. 5-2
. .
5.1.3 Performance Criter~a .................................................................... 5-2
. .
5.1.4 Operational Cntena ...................................................................... 5-3
5.1.5 Environmental and Aesthetic Criteria .......................................... 5-3
5.2 Evaluation Techniques ................................................................................... 54
5.2.1 Introduction ............................................................................... 54
5.2.2 Weighted Analysis of Evaluation Criteria ................................... 5-5
5.2.3 Pair-Wise Comparison ................................................................. 5-5
5.3 Evaluation Results ..............:...........................................................................
5-6
6 RECOMMENDED OPTION ........................................................................................ 6-1
6.1 Introduction .................................................................................................... 6-1
6.2 Reduced Inflow/Infiltration .......................................................................... 6-1
6.3 Existing Downtown Sewerage System .......................................................... 6-2
6.4 Upgrading Plan ............................................................................................... 6-2
6.5 Option 1 Design Information ......................................................................... 6-3
6.6 Project Staging ............................................................................................... 6-4
6.7 Overall Implementation Program ................................................................... 6-5
APPENDIX A ............................ STANTEC CONSULTING LTD . STUDY CONCLUSIONS
APPENDIX B ...................... ESTIMATED CAPITAL AND 25 YEAR LIFE CYCLE COSTS
APPENDIX C ..............................................
DECISION WORKSHOP . OCTOBER 19. 1999
WORKSHOP NOTES
APPENDIX D .............................................. DECISION WORKSHOP - OCTOBER 19, 1999
RANKING/COMPARISON RESULTS
APPENDIX E ...................................... now CALCULATIONS FOR SEWER UPGRADES