Noise Feasibility Study

Proposed Residential Development

Southdale Road & White Oak Road

London, Ontario

Prepared for:

Incon 7-521 Nottinghill RoadLondon, ON N6K 4L4

Prepared by:

Mandy Chan, PEng

July 10, 2018

Project No.01800315

Table of Contents

1  INTRODUCTION & SUMMARY ................................................................................................ 1 

2  SITE DESCRIPTION & NOISE SOURCES ................................................................................. 2 2.1  Site Description ....................................................................................................................... 2 

2.2  Noise Sources .......................................................................................................................... 2 

3  NOISE LEVEL CRITERIA ............................................................................................................ 3 3.1  Road Traffic ............................................................................................................................. 3 

3.2  Criteria Governing Stationary (Industrial/Commercial) Noise Sources .................................. 4 

4  TRAFFIC NOISE ASSESSMENT ................................................................................................. 5 4.1  Road Traffic Data .................................................................................................................... 5 

5  NOISE PREDICTION RESULTS AND RECOMMENDATIONS .............................................. 7 5.1  Outdoor Living Areas and Sound Barriers .............................................................................. 7 

5.2  Indoor Living Areas and Ventilation Requirements ................................................................ 7 

5.3  Building Facade Constructions ................................................................................................ 8 

5.4  Warning Clauses ...................................................................................................................... 8 

6  STATIONARY NOISE ASSESSMENT ........................................................................................ 9 6.1  Noise Source Description ........................................................................................................ 9 

6.2  Noise Assessment .................................................................................................................. 10 

7  DISCUSSION AND SUMMARY OF RECOMMENDATIONS ................................................ 12 7.1  Implementation ...................................................................................................................... 13 

Figure 1 – Figure 2 – Figure 3 – Figure 4 – Figure 5 –

Key Plan Site Plan Showing Traffic Prediction Locations Aerial Photo Plan Showing Ventilation Requirements Predicted Stationary Noise Sound Levels

Appendix A – Road Traffic Data Appendix B – Sample STAMSON Output Appendix C – Sound Level Data

Noise Feasibility Study, Whiterock Village Page 1 Southdale Road & White Oak Road, London, Ontario July 10, 2018

1 INTRODUCTION & SUMMARY

Howe Gastmeier Chapnik Limited (HGC Engineering) was retained by Incon Industrial to conduct a

noise feasibility study for a proposed residential development to be located north of Southdale Road

East and west of White Oak Road in the City of London, Ontario. The study is required by the City

of London as part of the planning and approvals process. The study follows Ministry of the

Environment and Climate Change (MOECC) and City of London guidelines with regard to the

impact of noise.

The significant noise source was determined to be road traffic on Southdale Road East and White

Oak Road. Road traffic data was obtained from City of London personnel and was used to predict

the future sound levels at the proposed residences. The predicted sound levels were evaluated with

respect to the guidelines of the MOECC and the requirements of the City.

The results of the study indicate that it is feasible to achieve the MOECC and City sound level

guideline limits at the proposed residential development. Any building envelope construction

meeting the minimum requirements of the Ontario Building Code will provide sufficient acoustical

insulation for the indoor spaces for all units in the residential subdivision. Forced air ventilation

systems with ducts sized for the future installation of air conditioning units by the occupant is

required for the townhouse units closest to Southdale Road. An alternative means of ventilation to

open windows is required for all dwelling units in the 4-storey apartment. Warning clauses are

recommended to inform the future residents of the road traffic noise and the presence of the

roadways.

Two car dealerships and a Tim Hortons are located to the north of the site. Calculations based on our

observations and past experience with similar facilities indicate that sound emissions from these

facilities are not expected to exceed the applicable MOECC sound level limits at the proposed

residential buildings. Warning clauses are recommended in order to inform future owners/tenants of

the presence of the commercial and industrial facilities in the vicinity and that their operations may

be audible on occasion.

Noise Feasibility Study, Whiterock Village Page 2 Southdale Road & White Oak Road, London, Ontario July 10, 2018

2 SITE DESCRIPTION & NOISE SOURCES

2.1 Site Description

Figure 1 is a key plan of the subdivision. The site is located on the south of Southdale Road and west

of White Oak Road, in the City of London. The latest concept plan prepared by Development

Engineering (London) Limited dated February 1, 2018 is shown as Figure 2. The development will

include 2-storey single detached dwellings and associated roadways and future medium density

blocks.

2.2 Noise Sources

HGC Engineering personnel visited the site and surrounding areas to observe the acoustical

environment and the operations of the nearby commercial and industrial facilities in May 2018. An

aerial photo showing these facilities is attached as Figure 3.

The acoustical environment surrounding the site is urban in nature. There are existing and future

residences surrounding the site and some commercial uses to the north of the site. Further south

along White Oak Road are industrial uses (Orgill Canada, Kel Coatings Limited and Speedox

Custom Machining). The proposed residential lots are located 300 m from the property line of Kel

Coatings as required in the City of London’s Development Planning comments for this site. Orgill

Canada is a warehouse and distributing facility and is located approximately 140 m to the southeast

of the site. The loading bay are located on the east side of the Orgill Canada facility, approximately

260 m to the closest proposed residential lots. The site is shielded from the loading bays by the Orgill

Canada building which is 3 storeys high thus significant noise impact are not expected. Noise from

these industrial facilities were also not audible on site as road traffic on White Oak Road was the

dominant noise source. Overall, significant noise impact from the commercial and industrial facilities

to the southwest of the subject site are not expected due to distance, intervening buildings and

background traffic noise. It is noted that there are existing residential uses closer to the commercial

and industrial facilities than the subject site.

To the north of the site are two car dealerships, Mercedes-Benz and Southdale Motors Limited. It

was observed that the Mercedes-Benz facility has two service reception doors but are not directly

Noise Feasibility Study, Whiterock Village Page 3 Southdale Road & White Oak Road, London, Ontario July 10, 2018 linked to the service areas. Several rooftop HVAC equipment was visible but not audible on site due

to traffic noise on Southdale Road. Southdale Motors is a used car dealership with a small trailer

office. No significant noise sources were observed. Tim Hortons with drive-thru lanes is located to

the northeast of the site. Noise from the Tim Hortons restaurant was not audible on site due to

background traffic noise. Since there are proposed residential uses adjacent to these facilities, an

assessment of the Mercedes-Benz and Tim Hortons has been conducted and is provided in Section 6.

Road traffic on Southdale Road and White Oak Road are the dominant sources of sound in the area.

The internal roadways were not considered in the analysis due to their low volumes.

3 NOISE LEVEL CRITERIA

3.1 Road Traffic

Guidelines for acceptable levels of road traffic noise impacting residential or noise sensitive

developments are given in the MOECC publication NPC-300, “Environmental Noise Guideline

Stationary and Transportation Sources – Approval and Planning”, Part C release date October 21,

2013, and are listed in Table I below. The values in Table I are energy equivalent (average) sound

levels [LEQ] in units of A weighted decibels [dBA].

Table I: MOECC Road Traffic Noise Criteria (dBA)

Area Daytime LEQ (16 hour)

Road Nighttime LEQ(8 hour)

Road

Outdoor Living Area 55 dBA --

Inside Living/Dining Room 45 dBA 45 dBA

Inside Bedroom 45 dBA 40 dBA

Daytime refers to the period between 07:00 and 23:00, while nighttime refers to the period between

23:00 and 07:00. The term "Outdoor Living Area" (OLA) is used in reference to an outdoor patio, a

backyard, a terrace, a children's playground or other area where passive recreation is expected to

occur.

The guidelines in the MOECC publication allow the sound level in an Outdoor Living Area to be

exceeded by up to 5 dBA, without mitigation, if warning clauses are placed in the purchase and

Noise Feasibility Study, Whiterock Village Page 4 Southdale Road & White Oak Road, London, Ontario July 10, 2018

rental agreements to the property. Where OLA sound levels exceed 60 dBA, physical mitigation is

required to reduce the OLA sound level to below 60 dBA and as close to 55 dBA as technically,

economically and administratively feasible. The City of London personnel have indicated that

resultant sound levels up to 58 dBA in the OLA are acceptable.

A central air conditioning system as an alternative means of ventilation to open windows is required

for dwellings where nighttime sound levels outside bedroom windows exceed 60 dBA. A forced air

ventilation system with ducts sized for the future provision of central air conditioning, or some other

alternative form of mechanical ventilation, is required where nighttime sound levels at living/dining

rooms and bedroom windows are in the range of 51 to 60 dBA.

Building components such as walls, windows and doors must be designed to achieve indoor sound

level criteria when the plane of bedroom window sound level is greater than 60 dBA or the daytime

sound level at the plane of the living room window is greater than 65 dBA due to road traffic noise.

Warning clauses to notify future residents of possible excesses are also required when nighttime

sound levels exceed 51 dBA at the plane of the bedroom window due to road traffic noise and

daytime sound levels exceed 55 dBA in the outdoor living area due to road traffic.

3.2 Criteria Governing Stationary (Industrial/Commercial) Noise

Sources

MOECC Guideline NPC-300, is also the MOECC guideline for use in investigating Land Use

Compatibility issues with regard to noise. An industrial or commercial facility is classified in

MOECC guidelines as a stationary source of sound (as compared to sources such as traffic or

construction, for example) for noise assessment purposes. In terms of background sound, the

development is located in an urban (Class 1) acoustical environment which is characterized by an

acoustical environment dominated by road traffic and human activity.

The facade of a residence (i.e., in the plane of a window), or any associated usable outdoor area is

considered a sensitive point of reception. NPC-300 stipulates that the exclusionary minimum sound

level limit for a stationary noise source in an urban Class 1 area is 50 dBA during daytime (07:00 to

19:00) and evening (19:00 to 23:00) hours, and 45 dBA during nighttime hours (23:00 to 07:00). If

Noise Feasibility Study, Whiterock Village Page 5 Southdale Road & White Oak Road, London, Ontario July 10, 2018

the background sound levels due to road traffic exceed the exclusionary minimum limits, then the

background sound level becomes the criterion. The background sound level is defined as the sound

level that is present when the source under consideration is not operating, and may include traffic

noise and natural sounds.

The noise impact assessment is to consider a worst case hour operational scenario which reflects a

planned and predictable mode of operation of the stationary source. Commercial activities such as

the occasional movement of customer vehicles at retail facilities, couriers and garbage collection are

not of themselves considered to be significant noise sources in the MOECC guidelines, nor are

activities related to emergency operations or snow removal.

The developer’s responsibilities are identified in NPC-300, which states that it is the developer’s

responsibility to ensure that the applicable sound level criteria are met. If noise sources are identified

which generate excessive sound levels source controls are generally favoured by the MOECC

although NPC-300 further states that outdoor noise control measures at the noise sensitive land use

are acceptable.

4 TRAFFIC NOISE ASSESSMENT

4.1 Road Traffic Data

Road traffic data was obtained from City of London personnel in the form of ultimate AADT and

turning movement counts and is attached as Appendix A. Commercial vehicle percentages were

calculated from the turning movement counts. The higher percentages were applied for each

roadway. A calculated commercial vehicle percentage of 2.7% for Southdale Road East was split

into 1.0% medium trucks and 1.7% heavy trucks as per Ministry of Transportation procedures. A

commercial vehicle percentage of 4.0% for White Oak Road was split into 1.5% medium trucks and

2.5% heavy trucks. The data is attached in Appendix A. The posted speed limit of Southdale Road

East and White Oak Road is 60 kph. A day/night split of 90%/10% was used in the analysis for

both roadways. Table II summarizes the traffic volume data used in this study.

Noise Feasibility Study, Whiterock Village Page 6 Southdale Road & White Oak Road, London, Ontario July 10, 2018

Table II: Ultimate Road Traffic Data (AADT)

Road Name Cars Medium Trucks

Heavy Trucks

Total

Southdale Road East

Daytime 31 525 324 551 32 400 Nighttime 3 503 36 61 3 600 Total 35 028 360 612 36 000

White Oak Road

Daytime 15 455 2921 454 16 200 Nighttime 1 717 32 50 1 800 Total 17 172 324 504 18 000

Future traffic sound levels were predicted at various lots using STAMSON version 5.04, a computer

algorithm developed by the MOECC. Sound levels were predicted at ground level in the rear yards

(OLA’s) during daytime hours to investigate the need for noise barriers. Sound levels were also

predicted at the plane of the upper storey windows during daytime and nighttime hours to investigate

ventilation requirements. The results of these predictions are summarized in Table III. Sample

STAMSON output is included in Appendix B.

Table III: Predicted Road Traffic Sound Levels, [dBA], Without Mitigation

Prediction Location

Lot No.

Description Daytime –

OLA, (LEQ-16 hr)

Daytime – At Façade, (LEQ-16 hr)

Nighttime – At Façade,

(LEQ-8 hr) A TH3 Lot with some exposure to Southdale Rd 57 58 51 B -- 4-Storey Apartment Building, North Facade -- 59 52 C -- 4-Storey Apartment Building, East Facade -- 58 52 D 7 Lot with some exposure to Southdale Rd <55 <50 <50 E 10 Lot with some exposure to Southdale Rd <55 53 <50 F 17 Interior Lot <55 <50 <50G 72 Lot with some exposure to White Oak Road <55 54 <50 H 67 Lot with some exposure to White Oak Road <55 52 <50

Noise Feasibility Study, Whiterock Village Page 7 Southdale Road & White Oak Road, London, Ontario July 10, 2018

5 NOISE PREDICTION RESULTS AND RECOMMENDATIONS

The results indicate that sound levels will meet MOECC guideline limits at all most of the units in

the development. Dwellings with exposure to the roadways will require noise control measures.

Further details are provided below.

5.1 Outdoor Living Areas and Sound Barriers

For the closest block of townhouses (Location A) to Southdale Road, the predicted sound levels in

the OLAs will be 57 dBA. The City have accepted sound levels in the rear yards up to 58 dBA in the

past without requiring physical mitigation. A warning clause is required to inform future residents of

the sound level excesses.

For all remaining units in the subdivision, the predicted sound levels in these OLAs are 55 dBA or

less. Physical mitigation is not required.

5.2 Indoor Living Areas and Ventilation Requirements

For the closest block of townhouses (Location A) to Southdale Road and the 4-storey apartment, will

have nighttime sound levels at the plane of windows less than 60 dBA and the daytime sound levels

at the plane of the window will be less than 65 dBA, an alternative means of ventilation to open

windows is required.

Provision for the Future Installation of Air Conditioning

For Townhouse Units 1 to 7, forced air ventilation systems with ducts sized for the future installation

of air conditioning by the occupant is required. A warning clause is also required to inform future

residents of the sound level excesses.

Alternative Ventilation to Open Windows

For the 4-storey apartment, an alternative means of ventilation to open windows is required for all

dwellings units. This can typically be achieved with central air conditioning or an Integrated Piping

system for the heating and cooling within each unit housed in its own insulated closest. In general,

window or through-the-wall are conditioning units (similar to motel style) are not recommended

because of the noise they produce and because the units penetrate through the exterior wall which

Noise Feasibility Study, Whiterock Village Page 8 Southdale Road & White Oak Road, London, Ontario July 10, 2018

degrade the overall sound insulating properties of the envelope. Any outdoor air conditioning unit or

rooftop mechanical units should be located, installed, and selected with an appropriate sound

emission rating to comply with MOECC guidelines NPC-300. A warning clause is also required to

inform future residents of the sound level excesses. As an example, individual heating and cooling

units such as Magic Pak or Napoleon Condo Pack or a similar system would meet the MOECC

ventilation requirements.

For all remaining units in the development, the predicted nighttime sound levels at the plane of the

windows with some exposure to Southdale Road East and White Oak Road will have nighttime

sound levels at the plane of windows less than 51 dBA and the daytime sound levels at the plane of

the window will be less than 56 dBA, there are no specific ventilation requirements.

5.3 Building Facade Constructions

All units in the development will have nighttime sound levels that are less than 60 dBA and daytime

sound levels at the façade that are less than 65 dBA, any exterior wall, and double glazed window

construction meeting the minimum requirements of the Ontario Building Code (OBC) will provide

adequate sound insulation for the dwelling units.

5.4 Warning Clauses

The MOECC guidelines and City of London recommend that warning clauses be included in the

property and tenancy agreements for all the dwelling units with regard to road traffic noise and the

presence of the commercial and industrial facilities in the vicinity of the site. The actual wording of

the warning clauses will depend on the nature of the excess. Examples are provided below.

Type A: Purchasers/tenants are advised that despite the inclusion of noise control features in the development and within the building units, sound levels due to increasing road traffic may occasionally interfere with some activities of the dwelling unit occupants as the sound levels exceed the Municipality’s and the Ministry of the Environment and Climate Change noise criteria.

Suggested wording for future dwellings requiring central air conditioning systems is given below.

Noise Feasibility Study, Whiterock Village Page 9 Southdale Road & White Oak Road, London, Ontario July 10, 2018

Type B:

This dwelling unit has been supplied with a central air conditioning system which will allow windows and exterior doors to remain closed, thereby ensuring that the indoor sound levels are within the sound level limits of the Municipality and the Ministry of the Environment and Climate Change.

Suggested wording for future dwellings requiring forced air ventilation systems is given below.

Type C:

This dwelling unit has been designed with the provision for adding central air conditioning at the occupant’s discretion. Installation of central air conditioning by the occupant in low and medium density developments will allow windows and exterior doors to remain closed, thereby ensuring that the indoor sound levels are within the sound level limits of the Municipality and the Ministry of the Environment and Climate Change.

These sample clauses are provided by the MOECC as examples and can be modified by the

Municipality as required.

The City of London also requires the following warning clause be included in the offers of purchase

and sale and in the property and tenancy agreements for all dwelling units in the development:

Type D:

The City of London assumes no responsibility for noise issues which may arise from the existing or any increase in vehicle traffic on Southdale Road East and White Oak Road as it relates to the interior or outdoor living areas of any dwelling unit within this development. The City of London will not be responsible for constructing any form of noise mitigation for this development.

These sample clauses are provided by the MOECC and municipality as examples and can be

modified by the Municipality as required.

6 STATIONARY NOISE ASSESSMENT

6.1 Noise Source Description

This section summarizes the results of observations taken during site visits in May 2018. Road traffic

was the dominant sources of sound in the area. Observations were also conducted to identify the

industrial/commercial operations located near the site and any potentially significant noise sources

Noise Feasibility Study, Whiterock Village Page 10 Southdale Road & White Oak Road, London, Ontario July 10, 2018

associated with their operations. The Mercedes-Benz and Tim Hortons located immediately to the

north of the site were considered to be a potentially noise source and was subject to additional study

as detailed below.

Tim Hortons

Tim Hortons is located to the northeast of the subject lands and operates 24 hours per day. The drive-

thru lanes and speakerboards are located by Southdale Road. A Tim Hortons delivery truck with a

refrigerated unit was observed to be idling in the parking lot, next to the building, for approximately

15 minutes. Rooftop equipment on the north end of the building was also visible from the ground.

Mercedes-Benz Dealership

The Mercedes-Benz dealership is located to the northwest of the subject lands and consist of a sales

office and service reception area. The sales office operates from 9:00 am to 8:00 pm and the service

centres operate during daytime hours only, from 7:30 am to 5:30 pm. Noise from the sales office

and service and collision centres was not audible during the site visit. No outdoor activities

associated with the dealership were observed. Typical office air conditioners were observed be

located on the roof the building. The units were observed to be Trane HVAC units.

6.2 Noise Assessment

The source sound levels for typical rooftop equipment and sources at Tim Hortons were from our

files were used as input to a predictive computer model (Cadna/A 2018 version 163.4824), in order

to estimate the sound levels at the proposed residential units. The source sound levels are provided in

Appendix C. Cadna/A is a computer implementation of ISO Standard 9613-2, “Acoustics –

Attenuation of Sound During Propagation Outdoors – Part 2: General Method of Calculation”, which

takes into account attenuation due to distance (geometrical spreading), shielding by intervening

structures, air attenuation and ground absorption.

In accordance with establishing the predictable worst-case conditions, the rooftop HVAC equipment

was assumed to operate at 100% capacity during daytime and 50% during night-time hours. The

rooftop exhausts at Tim Hortons were assumed to operate at 100% capacity during daytime and

nighttime. Four cars are assumed to be idling at each drive-thru lane. These noise sources are shown

Noise Feasibility Study, Whiterock Village Page 11 Southdale Road & White Oak Road, London, Ontario July 10, 2018

as green crosses on Figure 5.

Commercial activities such as the occasional movement of customer vehicles on the property, the

infrequent delivery of goods and garbage collection are not of themselves considered to be

significant noise sources in the MOECC guidelines.

The resulting predicted sound levels at the closest proposed dwellings are shown in Table 5 below

and Figure 5.

Table V: Predicted Sound Levels at Proposed Buildings, LEQ-1 hr [dBA]

Location Criteria

(Day/Night) Predicted Daytime

– at FaçadePredicted Night-time – at Façade

Townhouse Units 1 to 4 50 / 45 44 42 Townhouse Units 8 to 10 50 / 45 42 39 4-Storey Apartment 50 / 45 44 43

The results indicate that sound emissions from the Mercedes-Benz dealership and Tim Hortons are

not expected to exceed the applicable MOECC sound level limits at the proposed dwellings and that

noise mitigation measures are not required.

The presence of the commercial and industrial faculties should be addressed through the

implementation of an additional warning clause in the tenancy and property agreements and offers of

purchase and sale. A typical wording is:

Type E:

“Purchasers are advised that due to the proximity of industrial/commercial facilities, sound from these facilities may at times be audible and the operations may change in the future.”

This sample clause is provided by the MOECC as an example and can be modified by the

Municipality as required.

Noise Feasibility Study, Whiterock Village Page 12 Southdale Road & White Oak Road, London, Ontario July 10, 2018

7 DISCUSSION AND SUMMARY OF RECOMMENDATIONS

Future road traffic sound levels will meet MOECC guidelines and noise control measures are not

required. The reader is referred to the above sections of the report where these recommendations are

discussed in more detail.

1. Forced air ventilation systems with ducts sized for the future installation of air conditioning units

by the occupant is required for the townhouse units closest to Southdale Road. An alternative

means of ventilation to open windows is required for dwelling units in the 4-storey apartment.

Providing each suite with an individual heating and cooling systems housed within an insulated

closet would satisfy MOECC ventilation requirements.

2. Any exterior wall and double glazed window construction meeting the minimum requirements of

the Ontario Building Code (OBC) will provide adequate sound insulation for all dwellings.

3. Warning clauses should be included in the property and tenancy agreements and offers of

purchase and sale for all the dwelling units to inform future residents of the traffic noise and the

presence of commercial and industrial facilities in the area.

Table IV: Summary Table of Recommendations

Lots No. Acoustic Barrier

Ventilation Warning

Clause Type

Upgraded Building Façade Constructions

Townhouse Units 1 to 7

-- Forced Air Ventilation

Systems A, C, D, E OBC

4-Storey Apartment -- Alternative

Means to Open Windows

A, C, D, E OBC

All Other Lots & Townhouse Units

-- -- D, E OBC

Note: -- No specific requirement. OBC – Any exterior façade meeting the minimum Ontario Building Code requirements will provide sufficient acoustical insulation for these units

Noise Feasibility Study, Whiterock Village Page 13 Southdale Road & White Oak Road, London, Ontario July 10, 2018

7.1 Implementation

To ensure that the noise control recommendations outlined above are fully implemented, it is

recommended that:

1) Prior to the issuance of occupancy permits for this development, the Municipality’s building

inspector or a Professional Engineer qualified to perform acoustical engineering services in

the Province of Ontario should certify that the noise control measures have been properly

incorporated, installed and constructed.

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FRAME COORDINATES ARE UTM IN METRES

Figure 5: Predicted Stationary Noise Sound Levels, Leq1hr [dBA)

APPENDIX A ROAD TRAFFIC DATA

Count Date.......

Turning Movements Count - Full Study Report

Location............. SOUTHDALE RD E @ WHITE OAK RD/HOMEVIEW RD

LONDONMunicipality.......

Thursday, 13 October, 2016

INT5595GeoID.......

Peds

Truck %

Trucks

Cars

Trucks

Cars

S

N

EW

Truck %

1690

3012

Total

2%5752 98

396 22 5%

5 1%389

418

5850

394

6662

6497 171 6668

13330

124

4%

2%

149

3213%

3572

9

3721

5765

330

242 93819623

Total

19441

4565

Peds

9745

Peds

25

8

Peds

27

19

264

6

2%

414

3

614

17

3%1%

1292

1720

2%

30

4992

4753

4%

188

3357

4%

141

258597411

3216 598

639

6%

41

980

16

2%

996

9818 5641

3%

3%

SOUTHDALE RD E

WHITE OAK RD/HOMEVIEW RD

2

2

5

2

Cyclists:

Cyclists:

Cyclists:

Cyclists:

Page 1 of 1Monday, April 30, 2018

APPENDIX B SAMPLE STAMSON OUTPUT

Location A Page 1 of 2 

STAMSON 5.0 NORMAL REPORT Date: 10-07-2018 11:46:57 MINISTRY OF ENVIRONMENT AND ENERGY / NOISE ASSESSMENT Filename: th3.te Time Period: Day/Night 16/8 hours Description: Predicted daytime and nighttime sound levels at the upper store windows of Unit TH3, Prediction Location A Road data, segment # 1: Southdale (day/night) --------------------------------------------- Car traffic volume : 31525/3503 veh/TimePeriod * Medium truck volume : 337/37 veh/TimePeriod * Heavy truck volume : 538/60 veh/TimePeriod * Posted speed limit : 60 km/h Road gradient : 0 % Road pavement : 1 (Typical asphalt or concrete) * Refers to calculated road volumes based on the following input: 24 hr Traffic Volume (AADT or SADT): 36000 Percentage of Annual Growth : 2.50 Number of Years of Growth : 0.00 Medium Truck % of Total Volume : 1.04 Heavy Truck % of Total Volume : 1.66 Day (16 hrs) % of Total Volume : 90.00 Data for Segment # 1: Southdale (day/night) ------------------------------------------- Angle1 Angle2 : -90.00 deg 90.00 deg Wood depth : 0 (No woods.) No of house rows : 0 / 0 Surface : 1 (Absorptive ground surface) Receiver source distance : 80.00 / 80.00 m Receiver height : 4.50 / 4.50 m Topography : 1 (Flat/gentle slope; no barrier) Reference angle : 0.00 Road data, segment # 2: WhiteOak (day/night) -------------------------------------------- Car traffic volume : 15552/1728 veh/TimePeriod * Medium truck volume : 243/27 veh/TimePeriod * Heavy truck volume : 405/45 veh/TimePeriod * Posted speed limit : 60 km/h Road gradient : 0 % Road pavement : 1 (Typical asphalt or concrete) * Refers to calculated road volumes based on the following input: 24 hr Traffic Volume (AADT or SADT): 18000 Percentage of Annual Growth : 2.50 Number of Years of Growth : 0.00 Medium Truck % of Total Volume : 1.50 Heavy Truck % of Total Volume : 2.50 Day (16 hrs) % of Total Volume : 90.00 Data for Segment # 2: WhiteOak (day/night) ------------------------------------------ Angle1 Angle2 : 0.00 deg 90.00 deg Wood depth : 0 (No woods.) No of house rows : 0 / 0 Surface : 1 (Absorptive ground surface) Receiver source distance : 150.00 / 150.00 m Receiver height : 4.50 / 4.50 m Topography : 1 (Flat/gentle slope; no barrier)

Location A Page 2 of 2 

Reference angle : 0.00 Results segment # 1: Southdale (day) ------------------------------------ Source height = 1.14 m ROAD (0.00 + 57.42 + 0.00) = 57.42 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- -90 90 0.58 70.24 0.00 -11.49 -1.32 0.00 0.00 0.00 57.42 ---------------------------------------------------------------------------- Segment Leq : 57.42 dBA Results segment # 2: WhiteOak (day) ----------------------------------- Source height = 1.26 m ROAD (0.00 + 48.06 + 0.00) = 48.06 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- 0 90 0.58 68.16 0.00 -15.77 -4.33 0.00 0.00 0.00 48.06 ---------------------------------------------------------------------------- Segment Leq : 48.06 dBA Total Leq All Segments: 57.90 dBA Results segment # 1: Southdale (night) -------------------------------------- Source height = 1.14 m ROAD (0.00 + 50.90 + 0.00) = 50.90 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- -90 90 0.58 63.71 0.00 -11.49 -1.32 0.00 0.00 0.00 50.90 ---------------------------------------------------------------------------- Segment Leq : 50.90 dBA Results segment # 2: WhiteOak (night) ------------------------------------- Source height = 1.26 m ROAD (0.00 + 41.53 + 0.00) = 41.53 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- 0 90 0.58 61.63 0.00 -15.77 -4.33 0.00 0.00 0.00 41.53 ---------------------------------------------------------------------------- Segment Leq : 41.53 dBA Total Leq All Segments: 51.38 dBA TOTAL Leq FROM ALL SOURCES (DAY): 57.90 (NIGHT): 51.38

Location B Page 1 of 2 

 

STAMSON 5.0 NORMAL REPORT Date: 10-07-2018 11:47:40 MINISTRY OF ENVIRONMENT AND ENERGY / NOISE ASSESSMENT Filename: b.te Time Period: Day/Night 16/8 hours Description: Predicted daytime and nighttime sound levels at the upper store windows of 4-storey apartment, Prediction Location B Road data, segment # 1: Southdale (day/night) --------------------------------------------- Car traffic volume : 31525/3503 veh/TimePeriod * Medium truck volume : 337/37 veh/TimePeriod * Heavy truck volume : 538/60 veh/TimePeriod * Posted speed limit : 60 km/h Road gradient : 0 % Road pavement : 1 (Typical asphalt or concrete) * Refers to calculated road volumes based on the following input: 24 hr Traffic Volume (AADT or SADT): 36000 Percentage of Annual Growth : 2.50 Number of Years of Growth : 0.00 Medium Truck % of Total Volume : 1.04 Heavy Truck % of Total Volume : 1.66 Day (16 hrs) % of Total Volume : 90.00 Data for Segment # 1: Southdale (day/night) ------------------------------------------- Angle1 Angle2 : -90.00 deg 80.00 deg Wood depth : 0 (No woods.) No of house rows : 0 / 0 Surface : 1 (Absorptive ground surface) Receiver source distance : 127.00 / 127.00 m Receiver height : 13.50 / 13.50 m Topography : 1 (Flat/gentle slope; no barrier) Reference angle : 0.00 Road data, segment # 2: WhiteOak (day/night) -------------------------------------------- Car traffic volume : 15552/1728 veh/TimePeriod * Medium truck volume : 243/27 veh/TimePeriod * Heavy truck volume : 405/45 veh/TimePeriod * Posted speed limit : 60 km/h Road gradient : 0 % Road pavement : 1 (Typical asphalt or concrete) * Refers to calculated road volumes based on the following input: 24 hr Traffic Volume (AADT or SADT): 18000 Percentage of Annual Growth : 2.50 Number of Years of Growth : 0.00 Medium Truck % of Total Volume : 1.50 Heavy Truck % of Total Volume : 2.50 Day (16 hrs) % of Total Volume : 90.00 Data for Segment # 2: WhiteOak (day/night) ------------------------------------------ Angle1 Angle2 : -90.00 deg -20.00 deg Wood depth : 0 (No woods.) No of house rows : 0 / 0 Surface : 1 (Absorptive ground surface) Receiver source distance : 90.00 / 90.00 m

Location B Page 2 of 2 

 

Receiver height : 13.50 / 13.50 m Topography : 1 (Flat/gentle slope; no barrier) Reference angle : 0.00 Results segment # 1: Southdale (day) ------------------------------------ Source height = 1.14 m ROAD (0.00 + 57.15 + 0.00) = 57.15 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- -90 80 0.31 70.24 0.00 -12.16 -0.92 0.00 0.00 0.00 57.15 ---------------------------------------------------------------------------- Segment Leq : 57.15 dBA Results segment # 2: WhiteOak (day) ----------------------------------- Source height = 1.26 m ROAD (0.00 + 52.85 + 0.00) = 52.85 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- -90 -20 0.31 68.16 0.00 -10.17 -5.13 0.00 0.00 0.00 52.85 ---------------------------------------------------------------------------- Segment Leq : 52.85 dBA Total Leq All Segments: 58.52 dBA Results segment # 1: Southdale (night) -------------------------------------- Source height = 1.14 m ROAD (0.00 + 50.62 + 0.00) = 50.62 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- -90 80 0.31 63.71 0.00 -12.16 -0.92 0.00 0.00 0.00 50.62 ---------------------------------------------------------------------------- Segment Leq : 50.62 dBA Results segment # 2: WhiteOak (night) ------------------------------------- Source height = 1.26 m ROAD (0.00 + 46.32 + 0.00) = 46.32 dBA Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq ---------------------------------------------------------------------------- -90 -20 0.31 61.63 0.00 -10.17 -5.13 0.00 0.00 0.00 46.32 ---------------------------------------------------------------------------- Segment Leq : 46.32 dBA Total Leq All Segments: 51.99 dBA TOTAL Leq FROM ALL SOURCES (DAY): 58.52 (NIGHT): 51.99

APPENDIX C SOUND LEVEL DATA

Sound Power Levels Used in the Analysis [dB re 10-12 W]

Source Octave Band Centre Frequency [Hz]

A 63 125 250 500 1k 2k 4k 8k

5 ton Trane HVAC Unit 94 87 83 82 79 75 73 69 84 Car Idling 90 86 76 71 71 68 62 58 77 Speakerboard* 80 75 72 86 83 81 68 53 87 Restaurant Exhaust 78 85 79 69 64 63 58 54 75 Medium Truck Refrigerated Unit 101 96 97 86 86 83 77 69 92

Note: *includes 5 dB tonal penalty