Blackburn Wastewater Treatment Plant Upgrade Study

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Section 5.0 -Evaluation of Options part, be addressed by adding the weighting factors to the results and by using the following approach in parallel. 5.3 EVALUATION RESULTS Attached as Appendix C and D are the results of the October 19, 1999 Decision Workshop. Attending this workshop were the following individuals: City of Prince George Gary Champagne Andy Zbul DaveDyer Frank Blues Norm Gobbi MOELP Ritch Girard L&M Engineering Reid Crowther Bany Rabinowitz LesNemeth Andy North Form 5.1 was completed by each member of the Decision Workshop. A weighting number for cost, technical, operational and mvironmentaVaesthetic factors was developed based on the averaged group scores. Cost was weighted highest followed by operational and technical criteria, with environmental and aesthetic criteria weighted lowest. Form 5.2 was similarly developed from individual scores to weight the individual evaluation criteria. Form 5.3 lists the ranking of each of the options 1 to 7 based on the weighting numbers developed in Form 5.2. The ranking results for the options indicates that Option 1 (score 268) and Option 2 (score 286) are the most favoured options, options 3 to 6 score similarly (in the range 227 to 238), and the least favoured option is Option 7 (score 175).
Section 5.0 -Evaluation of Options Subsequent to the ranking results developed in Form 5.3, the participants completed Form 5.4, by using the pair-wise comparison technique, with the scores modified by incorporating the weighting results &om Form 5.1. The overall results were similar to the r;lting/weighting exercise as these results indicated that the preferred options are Option 1 (score 46.9) and Option 2 (score 44.2), and the least preferred option is Option 7 (score 10.8). The similarity in the results provides a level of confidence that the decision techniques are robust. As Options 1 and 2 scored the highest in both techniques, discussion at the workshop then concentrated on identifying the preferred option for recommendation. As identified in the earlier sections both options achieve similar objectives primarily through alternative flow transfer routes. Consensus at the workshop was that the certainty of the route from Option 1 was greater than that for Option 2, and the construction of the Option 1 alignment was likely to have more potential to encourage further development. The recommendation of the Decision Workshop members based on the ranking and comparison results is therefore to pursue Option 1.
Page 2 and 3: BLACKBURN WASTEWATER TREATMENT PLAN
Page 4 and 5: Table of Contents SECTION TITLE PAG
Page 6 and 7: SECTION 1 STUDY BACKGROUND AND OBJE
Page 8 and 9: Section 1.0 -Project Background and
Page 14 and 15: Section 1.0 - Project Background an
Page 20 and 21: City of Prince George - Decision Wo
Page 22 and 23: City of Prince George - Decision Wo
Page 24 and 25: MINUTES OF MEETING PR~ECT NAME: Bla
Page 27 and 28: Blackburn WWTP Treatment Options Op
Page 29 and 30: Nores. Annual O&M cost for Blackbum
Page 31: Blackbum WWTP Treatment Options Opt
Page 35 and 36: APPENDIX A STANTEC CONSULTING LTD.
Page 37 and 38: 5.0 CONCLUSIONS I '\ -. 5.1 RESULTS
Page 39 and 40: CITY OF PRINCE GEORGE Forcemain fro
Page 41 and 42: Section 6.0 -Recommended Option Key
Page 43 and 44: Section 6.0 -Recommended Option Com
Page 45 and 46: SECTION 6.0 RECOMMENDED OPTION 6.1
Page 47 and 48: SECTION 5.0 EVALUATION OF OPTIONS 5
Page 49 and 50: Section 5.0 -Evaluation of Options
Page 51: Section 5.0 -Evaluation of Options
Page 55 and 56: Section 5.0 - Evahation of Options
Page 57 and 58: Section 3.0 - Evaluation of Options
Page 59 and 60: SECTION 4.0 BLACKBURN TREATMENT OPT
Page 61 and 62: Section 4.0 - Blackbum Treatment Op
Page 65 and 66: Section 4.0 - Blackburn Treatment O
Page 67 and 68: Initiate llt reduction program and
Page 71 and 72: Section 4.0 - Blackbm Treatment Opt
Page 77 and 78: CITY OF PRINCE GEORGE Scale= $:I00
Page 83 and 84: :ITY Of PRINCE GEORGE Existing Chlo
Page 93 and 94: SECTION 4.0 BLACKBURN TREATMENT OPT
Page 101 and 102: Initiate Ill reduction program and
Page 103 and 104:
Section 4.0 - Blackburn Treatment O
Page 105 and 106:
SECTION 3.0 AUDIT OF EXISTING FACIL
Page 107 and 108:
Section 3.0 -Audit of exist in^ Fac
Page 109 and 110:
Section 3.0 -Audit of Existing Faci
Page 111 and 112:
SECTION 2.0 III MITIGATION MEASURES
Page 113 and 114:
Section 2.0 - UI Mitigation Measure
Page 115 and 116:
APPENDIX E FLOW CALCULATIONS FOR SE
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Blackburn Wastewater Treatment Plant Upgrade Study

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