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Council Meeting/Documents/DRAFT Appendix B: Allocated Flow Capacities to Participants (July 2019)
Appendix

DRAFT Appendix B: Allocated Flow Capacities to Participants (July 2019)

June 16, 2020Page 1931 section

A draft map illustrating the wastewater service area and allocated flow capacities for various municipalities and First Nations.

1 CALL TO ORDER
July 2019108 MLD planned plant capacityDRAFT

CRD Core Area Wastewater Service Area Appendix B

Allocated Flow Capacities to Participants

Schedule A to Bylaw 2312 as amended by Bylaw — July 2019

Legend

Symbol Description
[Solid line] Municipal Boundary
[Blue shaded area] Lakes
[Red outline] Containment Boundary
[Grey shaded area] DND Areas
[Numbered box] Wastewater Inflow Allotment at indicated location
[Solid dark line] Existing Sewer Main
[Dashed line] Overflow/Outfall
[Double dashed line] Proposed Sewer Main
PS Pump Station
TP Treatment Plant

1:25,000 NAD 1983 UTM Zone 10N
July 2019 | CoreAreaTrunkSewersAndInflowMeters_v2.mxd | gis@crd.bc.ca

Notes

  1. ADWF = Average Dry Weather Flow (June 1 to August 31). PWWF = Peak Wet Weather Flow. L/s = Litres per second. MLD = Mega Litres per day.
  2. The ADWF Allocations are based the Core Area Wastewater Treatment Program where the total ADWF plant capacity of 108 MLD was allocated to each participant based on their requested capacity.
  3. PWWF is based on 4xADWF which the maximum flow allowed at McLoughlin WWTP as approved by the Ministry of Environment. These allocations will be available when the upgrades identified on the map are completed. Capacity upgrade at the Craigflower Pump Station can be achieved by forceman twinning. Pump upgrades are not required to meet the PWWF allocation.
  4. Total peak flows may not add cumulatively at downstream locations due to system attenuation (population-based Harmon peaking factor).
  5. Location and extent of future CRD sewers and facilities are depicted are preliminary and may change in accordance with the final system design.
  6. Allocations are available until the capacity at McLoughlin WWTP has been reached. New infrastructure and reallocation of flows will then be required.
  7. Note some infrastructure is currently being constructed as part of the Core Area Wastewater Treatment Project but is shown as existing on this map.
  8. Flow allocations for Humber and Rutland are based on those catchments being separated from the storm system.
Participant Allocation of Design Capacity as Measured by ADWF (MLD)
Colwood 3.54
Esquimalt 9.92
Esquimalt Nation 0.61
Langford 13.25
Oak Bay 6.62
Saanich 33.56
Songhees Nation 0.66
Victoria 35.84
View Royal 3.54
Total 108.00

14 Centrate Line

Inflow ID Participant ADWF Allocation (L/s) PWWF Allocation (L/s)
14 Centrate Line 6.16 6.16
Total 6.16 6.16

14a Leachate Line

Inflow ID Participant ADWF Allocation (L/s) PWWF Allocation (L/s)
14a Leachate Line 8.16 8.16
Total 8.16 8.16

City of Langford

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
1 Millstream 153.4 613.5
2 Parsons 153.4 613.5
3 Craigflower PS 153.4 613.5
30 Macaulay Point PS 153.4 613.5
Total 153.4 613.4

Town of View Royal

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
3 Craigflower PS 41.0 164.0
4 Shoreline Trunk* 2.7 9.9
30 Macaulay Point PS 41.0 164.0
Total 41.0 164.0
*See Note 3

City of Colwood

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
3 Canyon 54.4 217.6
3 Craigflower PS 54.4 217.6
30 Macaulay Point PS 54.4 217.6
Total 54.4 217.6

Songhees Nation

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
5 Songhees Nation 7.64 30.56
6 Shoreline Trunk* 1.3 5.2
3 Craigflower PS 12.6 22.4
8 Maplebank 0.1 0.4
30 Macaulay Point PS 7.64 30.56
Total 7.64 30.56
*See Note 3

Esquimalt Nation

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
5 Esquimalt Nation 7.0 28.0
4 Shoreline Trunk* 6.8 11.9
3 Craigflower PS 6.8 11.9
30 Macaulay Point PS 1.2 4.7
Total 1.2 4.7
*See Note 3

Township of Esquimalt

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
7 Esquimalt-Fairmonds 2.1 8.4
8 Maplebank 4.3 7.4
9 Shoreline Trunk* 5.6 21.0
3 Lang Cove PS - DND 9.0 30.0
10 Lang Cove PS - Esquimalt 24.2 70.0
11 Lyall Street 6.8 27.2
12 Dockyard - Esquimalt 4.9 19.6
13 Fleming 5.1 20.4
12 Gosper Place 0.7 2.8
25 Devonshire 21.4 85.6
24 Wilson 4.3 17.0
26 Head - DND 2.9 11.4
28 Head - Esquimalt 16.5 66.1
27 Lampson 2.6 10.3
29 Macaulay Point PS 82.1 328.4
30 Macaulay Point PS 82.1 328.4
Total 82.1 328.4
*See Note 3

District of Saanich

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
15 Watkiss Way 8.3 33.2
16 Interurban Rd 1.4 5.6
17 City Boundary 73.2 117.1
18 Marsett 38.3 153.2
30 Macaulay Point PS 266.5 1066.0
20 Inversary 8.2 32.8
31 Holly 0.3 1.2
33 Arbutus 81.9 327.7
34 Arbutus 9.2 36.7
35 Penrhyn LS 3.2 12.8
44 Clover Point PS 113.8 455.1
Total 388.5 1522.4

City of Victoria

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
17 Burnside 5.30 17.0
18 Marsett 0.00 0.0
19 Gorge and Gorge 6.4 25.6
21 Langford (At West) 2.2 8.8
22 Howard 10.1 40.4
23 Catherine 22.4 89.6
30 Macaulay Point PS 67.7 270.8
41 Cook St - Trunk 94.4 322.6
41 Hollywood 4.3 17.2
42 Clover Point PS 299.0 1098.1
43 Humber (See note 8) 2.2 8.8
44 Rutland (See note 8) 12.3 49.2
Total 413.5 1775.2

District of Oak Bay

Inflow ID Inflow Name ADWF Allocation (L/s) PWWF Allocation (L/s)
32 Windsor 2.1 8.4
36 Humber 7.1 28.4
37 Rutland 4.4 17.6
38 Harling Point (Oak Bay) 41.5 166.0
39 Currie LS (Oak Bay) 19.2 76.7
40 Harling Point PS 2.3 9.3
44 Clover Point PS 76.6 306.4
Total 76.6 306.4
Page 193

Document Images

(1)
Map of the CRD Core Area Wastewater Service Area showing allocated flow capacities, service boundaries, and infrastructure

Map of the CRD Core Area Wastewater Service Area showing allocated flow capacities, service boundaries, and infrastructure

Extracted from: 2020 06 16 Council Agenda - Agenda - Pdf