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8 Existing Septic System Design Flows (Gunnell Engineering Design, with 30% Growth Allowance) PROJECT: Caledon Equestrian Park PROJECT #: Date: Nov. 11, 2015 Revised: Jun. 16, 2017 Design: GM Check: KJF Zoning/Use Classification (per OBC B.) Daily Unit Units Flow (L/d) TRCA Lands Daily Design Flow (L/d) Usage (days/wk) Weekly Design Flow (L/wk) Balanced Design Flow (L/d) Pavilion Building Restaurant seats (not 24h) Restaurant - paper service, per seat , ,000 EMG office staff Office building, per employee (8h shift) ,625 Stadium patrons Stadiums/race tracks, per seat , ,000 Staff/judges Office building, per employee (8h shift) ,300 9,846 Auxiliary 1 West Building EMG staff Office building, per employee (8h shift) ,250 Staff - equestrian groups Office building, per employee (8h shift) , ,000 Stadium patrons Stadiums/race tracks, per seat , ,000 Multi-use community centre Churches and similar places of worship - kitchen facilities provided, per seat , ,600 8,550 Town of Caledon 30% growth allowance 4,485 2,565 Auxiliary 2 East Building EMG Staff Office building, per employee (8h shift) , EMG Lands Camping Area TRCA RV Campsites RV park (without water or sewer hook-up) , ,575 3,654 Total (TRCA Lands) 41, ,025 21,283 Total (EMG Lands) 8,525 25,575 3,654 Total 49, ,600 24,936 I:\1000\ MMM\ CEP Rezoning\Design\FSR\ Updated Demand Calculations

9 Proposed Re-Zoning Septic Design Flows PROJECT: Caledon Equestrian Park PROJECT #: Date: Nov. 11, 2015 Revised: Jun. 16, 2017 Design: GM Check: KJF Zoning/Use Classification (per OBC B.) Units TRCA Lands Daily Unit Flow (L/d) Daily Design Flow (L/d) Usage (days/wk) Weekly Design Flow (L/wk) Balanced Design Flow (L/d) Pavilion Building Restaurant Restaurant - paper service, per seat , ,000 Equestrian Centre, Fairground, Outdoor Recreational Facility, Stadiums/race tracks, per seat , ,000 Training Facility Business Office (max. 30 sq.m) - Judges Tower Stadiums/race tracks, per seat ,700 Auxiliary 1 West Building Business Office (max. 465 sq.m) Office building, per 9.3 sq.m of floor space , ,250 Equestrian Centre, Fairground, Outdoor Recreational Facility, Stadiums/race tracks, per seat , ,000 Training Facility Community centre Churches and similar places of worship - kitchen facilities provided, per seat , ,600 Farmer s Market Per limited food service outlet , ,200 Retail store, accessory (tack shop) Store, per m 2 of floor space ,500 10,079 Auxiliary 2 East Building Veterinary hospital Veterinary clinic, per employee per 8 hour shift (no floor drains) ,700 School Day school, per student ,500 1,029 EMG Lands Camping Area TRCA RV Campsites RV park (without water or sewer hook-up) , ,575 3,654 Total (TRCA Lands) 39, ,650 19,807 Total (EMG Lands) 8,525 25,575 3,654 Total (TRCA+EMG Lands) 48, ,225 23,461 I:\1000\ MMM\ CEP Rezoning\Design\FSR\ Updated Demand Calculations

10 Water Demands: Proposed Re-zoning (TRCA Lands) Final Design Scenario Post PanAm Games Configuration Average Daily Flow (ADF) PROJECT: Caledon Equestrian Park PROJECT #: Max Day Flow (MDF) Date: 11/12/2015 Revised: 6/16/2017 Design: GM Check: KJF Daily Design Flow Equivalent Peak Hour Flow (PHF) Population L/d L/s L/s L/s Domestic Flows Based on Sewerage Values (Refer to Proposed Re-Zoning Septic Design Flows) Irrigation Flows To fill 3000 Igal Water Truck 18 Trips/Day Total Flow 39, , ,450 1, Example Calculations 1. Domestic Flow Average Daily Flow (L/s) = Daily Design Flow (L/d) / 86,400 s/d = 39,950 / 86,400 s/d = 0.46 L/s Max. Day Flow (L/s) = Average Daily Flow x Peaking Factor of 2.0 = 0.46 L/s x 2.0 = 0.92 L/s Peak Hour Flow (L/s) = Average Daily Flow x Peaking Factor of 3.0 = 0.46 L/s x 3.0 = 1.39 L/s 2. Irrigation Flows Daily Design Flow (L/s) = 3000 Igal x 18 trips/day x L/Igal / 86,400 s/d = 2.84 L/s Max. Day and Peak Hour Flow calculated same as above, using Peaking Factors of 2.0 and Total Flow Total ADF (L/s) = ADF (domestic flows) + ADF (irrigation flows) = 0.46 L/s L/s = 3.30 L/s Total Max Day and Peak Hour flow calculated by adding domestic and irrigation flows, same as above. I:\1000\ MMM\ CEP Rezoning\Design\FSR\ Updated Demand Calculations

11 Water Demands: Proposed Re-zoning (EMG Lands) Final Design Scenario Post PanAm Games Configuration Average Daily Flow (ADF) PROJECT: Caledon Equestrian Park PROJECT #: Max Day Flow (MDF) Date: 11/12/2015 Revised: 6/16/2017 Design: GM Check: KJF Daily Design Flow Equivalent Peak Hour Flow (PHF) Population L/d L/s L/s L/s Domestic Flows Based on Sewerage Values (Refer to Proposed Re-Zoning Septic Design Flows) Stables Flows Based on 800 horses using 90 L/c/d, as provided by the owner Total Flow 8, , , Example Calculations 1. Domestic Flow Average Daily Flow (L/s) = Daily Design Flow (L/d) / 86,400 s/d = 8,525 L/d / 86,400 s/d = 0.10 L/s Max. Day Flow (L/s) = Average Daily Flow x Peaking Factor of 2.0 = 0.1 L/s x 2.0 = 0.2 L/s Peak Hour Flow (L/s) = Average Daily Flow x Peaking Factor of 3.0 = 0.1 L/s x 3.0 = 0.3 L/s 2. Stables Flows Daily Design Flow (L/s) = 800 horses x 90 L/cap/d / 86,400 s/d = 0.83 L/s Max. Day and Peak Hour Flow calculated same as above, using Peaking Factors of 2.0 and Total Flow Total ADF (L/s) = ADF (domestic flows) + ADF (stables flows) = 0.1 L/s L/s = 0.93 L/s Total Max Day and Peak Hour flow calculated by adding domestic and stables flows, same as above. I:\1000\ MMM\ CEP Rezoning\Design\FSR\ Updated Demand Calculations

12 PROJECT: Caledon Equestrian Park PROJECT #: Date: 11/12/2015 Revised: 6/16/2017 Design: GM Check: KJF Sanitary Servicing Septic System - TRCA + EMG Water Servicing Water Demands - TRCA Water Demands - EMG Existing Design Demand 1 Proposed Rezoning Demand % Capacity (Proposed/ Existing) Daily Design Flow (L/d) 49,985 48, Balanced Daily Design Flow (L/d) 24,936 23, Avg. Day Flow (L/s) Max. Day Flow (L/s) Peak Hour Flow (L/s) Avg. Day Flow (L/s) Max. Day Flow (L/s) Peak Hour Flow (L/s) Avg. Day Flow (L/s) Water Demands - TRCA + EMG Max. Day Flow (L/s) Peak Hour Flow (L/s) Note: 1. Existing design demand includes Town of Caledon 30% growth allowance Example Calculations 1. Sanitary Servicing 2. Water Servicing Existing Daily Design Flow - refer to TOTAL from Existing Design flows table (Gunnell Engineering, with 30% growth allowance) Proposed Daily Design Flow - refer to TOTAL from Proposed Re-Zoning Septic Design Flows table % Capacity = (Proposed DDF / Existing DDF) x 100% = (48,475 L/d / 49,985 L/d) x 100% = 97 % All Existing Design Demands - refer to Region of Peel Water Demand Table (dated August 27, 2012, connection order No. C ) All Proposed Rezoning Demands - refer to attached Water Demand tables (TRCA and EMG lands) Pr. Water Demands (TRCA + EMG, Avg. Day) = Avg. Day (TRCA) + Avg. Day (EMG) = 3.30 L/s L/s = 4.24 L/s % Capacity = (Proposed DDF / Existing DDF) x 100% = (4.24 L/s / 4.76 L/s) x 100% = 89 % I:\1000\ MMM\ CEP Rezoning\Design\FSR\ Updated Demand Calculations

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