Noise Feasibility Study, Proposed Hotel Development, Living Waters Resort Collingwood, Ontario

Transcription

1 Noise Feasibility Study, Proposed Hotel Development, Living Waters Resort Collingwood, Ontario Prepared for: Law Cranberry Resort Limited 85 Scarsdale Road, Suite 306 Toronto, Ontario M3R 2R2 Prepared by Yvonne Lo, BASc, EIT Reviewed by Sheeba Paul, MEng, PEng February 12, 2018 Project No

2 Table of Contents Introduction and Summary... 1 Description of the Site and Significant Noise Sources... 2 Criteria Criteria Governing Road Traffic Noise... 3 Criteria Governing Stationary Noise Sources Traffic Noise Predictions Road Traffic Data Road Traffic Noise Predictions Discussion and Recommendations Outdoor Living Areas... 6 Indoor Living Areas... 7 Building Facade Constructions Stationary Noise Source Assessment Results Summary of Recommendations... 9 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Aerial Photo Showing the Surrounding Land Uses Proposed Site Plan Showing Prediction Locations Assumed Noise Source Locations and Key Residential Receptors Predicted Daytime Sound Level Contours, dba Predicted Nighttime Sound Level Contours, dba Appendix A Supporting Documents Appendix B Road Traffic Data Appendix C Sample STAMSON Output

3 Noise Feasibility Study, Proposed Hotel Development Page 1 Living Waters Resort, Collingwood, ON February 12, Introduction and Summary Howe Gastmeier Chapnik Limited (HGC Engineering) was retained by Law Cranberry Resort Limited to conduct a road traffic and stationary noise feasibility study for the proposed expansion of the existing Living Waters Resort (formerly known as Cranberry Harbour Castle) in Collingwood, Ontario. This report is an update to previous reports completed by HGC entitled Acoustical Study of Proposed Banquet Facility Bear Estate dated February 13, 2008 and Bear Estates Banquet Facility Noise Study, Addendum #1, dated March 31, 2008 that analyzes the noise impacts from the single-storey Bear Estate building. These reports may be found in Appendix A. The current development will consist of two interconnected 5-storey hotel buildings that will be attached to the existing hotel, at-grade parking areas as well as a 4-storey addition to the existing Bear Estate building. The study is being conducted as part of the planning and approvals process required by the Municipality. Road traffic noise on Highway 26 and Balsam Street were confirmed to be the dominant noise sources. Road traffic data was obtained from the Town of Collingwood. The data was used to predict future traffic sound levels at the proposed hotel expansion. The predictions were evaluated with respect to the guidelines of the Ministry of Environment and Climate Change (MOECC) and used to develop noise control recommendations. The results of this study indicate that future road traffic sound levels will not exceed MOECC guidelines at all of the units within the proposed development. There are no specific acoustic recommendations for the development and warning clauses will not be required. Any building construction meeting the minimum requirements of the Ontario Building Code will provide adequate acoustical insulation for all dwelling units in the development. An analysis was also conducted to determine the potential impact of stationary noise associated with the existing Bear Estate building s banquet hall activities and its expansion, 4-storey addition (ex. live amplified and pre-recorded music for dances), and associated mechanical systems (ex. Kitchen exhaust fan and make-up air unit). The existing neighboring sensitive receptors include a 3-storey multi-family residential building located northwest of the development and the new hotel units in the proposed expansion. The analysis was based on sound level measurements,

4 Noise Feasibility Study, Proposed Hotel Development Page 2 Living Waters Resort, Collingwood, ON February 12, 2018 manufacturer s sound power data for mechanical equipment and assumptions contained in the aforementioned reports. A computer model of the area was created, using acoustic modelling software, in order to predict the sound levels at the locations of the sensitive receptors. The results indicate that the sound emissions from the existing Bear Estates building will be below the MOECC minimum exclusionary sound level limits at the closest sensitive receptors. Further, physical mitigation measures are not required for the proposed development. 2 Description of the Site and Significant Noise Sources Figure 1 is an aerial photo showing the subject site and surrounding land uses. A site plan prepared by Henry W Chiu Architects, dated August 4, 2017 is provided as Figure 2. The Living Waters Resort will be expanded with two interconnected 5-storey hotel buildings that have a total of 126 guest rooms and at-grade parking areas. The existing Bear Estates building will have four additional storeys that consist of conference rooms, conference halls, several hotel suites and will be connected to the proposed hotel buildings through the west façade of the third, fourth and fifth floor. HGC Engineering personnel visited the site on November 17, 2017 to investigate the site and the surrounding land uses. The acoustical environment surrounding the site is urban. Road traffic on Highway 26 and Balsam Street was confirmed to be the primary sources of sound impacting the site. The site is currently vacant. Lands to the north and west consist of residential uses. To the east of the site is the waterfront of Georgian Bay, including a marina. South of the site is the existing Living Waters Resort and its associated at-grade parking lot. For the purposes of this study, critical receptor locations were identified as the most potentially impacted residences to the northwest of the subject site and the future hotel units in the proposed development. Three receptors (R1 to R3) have been included in the analysis and are indicated on Figure 3. As discussed in the previous noise studies prepared for the existing phases of this site, the sources of sound of greatest potential concern within the existing Bear Estates building is music radiating through the façades as well as the make-up air unit and kitchen exhaust fan louvres which are located

5 Noise Feasibility Study, Proposed Hotel Development Page 3 Living Waters Resort, Collingwood, ON February 12, 2018 along the south and west façades. Figure 3 shows the location of the make-up air unit and kitchen exhaust fan used in the calculations. 3 Criteria 3.1 Criteria Governing Road Traffic Noise Guidelines for acceptable levels of road traffic noise impacting residential developments are given in the MOECC publication NPC-300, Environmental Noise Guideline, Stationary and Transportation Sources Approval and Planning, 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 Day-time L EQ (16hour) Night-time L EQ (8hour) Outdoor Living Area 55 dba -- Inside Sleeping Quarters of Hotels/Motels 45 dba 45 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 or other area where passive recreation is expected to occur. Private terraces or balconies that are less than 4 m in depth are not considered to be outdoor living areas under MOECC guidelines. The MOECC guidelines allow the daytime sound levels in an OLA to be exceeded by up to 5 dba, without mitigation, if warning clauses are placed in purchase agreements to the property. Where OLA sound levels exceed 60 dba, physical mitigation is recommended to reduce the OLA sound level to below 60 dba and as close to 55 dba as technically, economically and administratively feasible. A central air conditioning system as an alternative means of ventilation to open windows is required for hotel suites where nighttime sound levels outside windows of sleeping quarters exceed 65 dba during the daytime and nighttime hours. Forced-air ventilation systems with ducts sized to

6 Noise Feasibility Study, Proposed Hotel Development Page 4 Living Waters Resort, Collingwood, ON February 12, 2018 accommodate the future installation of air conditioning or an alternate means of ventilation to open windows is required when sound levels at the windows of sleeping quarters 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 window nighttime road traffic sound level is greater than 60 dba or the daytime sound level is greater than 65 dba. Warning clauses to notify future owners and tenants of the building of possible excesses are also required when daytime road traffic sound levels exceed 55 dba at the plane of the windows or in any outdoor living area. 3.3 Criteria Governing Stationary Noise Sources An industrial or commercial facility is classified in MOECC Guideline NPC-300 as a stationary source of sound (as compared to sources such as traffic or construction, for example) for noise assessment purposes. Noise from the Bear Estates expansion may potentially impact neighbouring noise sensitive land uses. In terms of background sound, the development is located in an urban (Class I) environment which is characterized by an acoustical environment dominated by road traffic and human activity. NPC-300 is intended for use in the planning of both residential and commercial/industrial land uses and provides the acceptability limits for sound due to commercial operations in that regard. 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 taken to be 50 dba during daytime/evening hours (07:00 to 23:00), and 45 dba during nighttime hours (23:00 to 07:00). If the background sound levels due to road traffic exceed the exclusionary limits, then the background sound level becomes the criterion. The background sound level is defined as the sound level that occurs when the source under consideration is not operating, and may include traffic noise and natural sounds. To ensure a conservative analysis we will adopt the exclusionary minimum criteria at all receptors.

7 Noise Feasibility Study, Proposed Hotel Development Page 5 Living Waters Resort, Collingwood, ON February 12, 2018 The MOECC guidelines stipulate that the sound level impact during a predicable worst-case hour be considered. This is defined to be an hour when a typically busy planned and predictable mode of operation occurs at the subject facility, coincident with a period of minimal background sound. Compliance with MOECC criteria generally results in acceptable levels of sound at residential receptors although there may still be residual audibility during periods of low background sound. 4 Traffic Noise Predictions 4.1 Road Traffic Data Road traffic data for Balsam Street and Highway 26 were obtained HGC Engineering project files for past projects in the area, and is provided in Appendix B. The future data for 2019 was further grown to the year 2028 using a 2.8% compound growth rate as indicated in the traffic study. A commercial vehicle percentage of 2% was used for Balsam Street and was split into 1.2% medium trucks and 0.8% heavy trucks. A commercial vehicle percentage of 9% was applied for Highway 26 and was split into 3.5% medium trucks and 5.5% heavy trucks. Posted speed limits of 40 km/h for Balsam Street and 50 km/h for Highway 26 were used in the analysis. To the north of Balsam Street, the speed of Highway 26 is 60 km/h. A day/night split of 90/10% was also used. The resulting future traffic volumes are listed in Table II. Table II: 2028 Projected Traffic Data Road Name Cars Medium Heavy Trucks Trucks Total Daytime Highway 26 Nighttime Total Daytime Balsam Street Nighttime Total

8 Noise Feasibility Study, Proposed Hotel Development Page 6 Living Waters Resort, Collingwood, ON February 12, Road Traffic Noise Predictions To assess the levels of road traffic noise which will impact the site in the future, predictions were made using STAMSON version 5.04, a computer algorithm developed by the MOECC. Sample STAMSON output is included in Appendix C. Predictions of the traffic sound levels were made at the top storey façades of the proposed hotel building addition. The prediction locations [A] to [C] are shown in Figure 2. The results of these predictions are summarized in Table III. Table III: Predicted Sound Levels, Without Mitigation, [dba] Prediction Location A B C Description Phase IV Hotel, West Façade facing Balsam Street Phase V Hotel, Northwest Façade facing Balsam Street Phase IV, Bear Estate Addition (Roof Garden on 4 th Floor) Daytime in OLA L EQ-16 hr Daytime at Façade L EQ-16 hr Nighttime at Façade L EQ-8 hr -- <55 <50 -- <55 <50 <55 <55 <50 5 Discussion and Recommendations The predictions indicate that the sound levels at the proposed hotel units and the outdoor living area will not exceed the MOECC guidelines for road traffic noise listed in Table I. Physical mitigation, specific ventilation requirements or the use of warning clauses will not be required. 5.1 Outdoor Living Areas The balconies associated with the hotel units are less than 4 metres in depth and are exempt from the definition of OLA under MOECC guidelines and therefore a road traffic assessment is not required. There is a rooftop garden on the fourth floor of the proposed Bear Estate building addition. The predicted sound level in this area will be less than 55 dba. Physical mitigation in the form of acoustic barriers are not required. There are no other outdoor living areas indicated on the site plan.

9 Noise Feasibility Study, Proposed Hotel Development Page 7 Living Waters Resort, Collingwood, ON February 12, Indoor Living Areas The predicted future sound levels at all the units in the development are less than 50 dba and 55 dba during nighttime and daytime, respectively. This is below the MOECC limit and thus there are no specific ventilation requirements for the proposed development. 5.3 Building Facade Constructions Since future road traffic sound levels at the plane of window of all dwelling units will be less than 65 dba during the daytime and 60 dba during the nighttime, 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 dwelling units in this development. 6 Stationary Noise Source Assessment The noise sources associated with the existing Bear Estate building s mechanical equipment and musical activities as mentioned in the previous reports have been applied to the current model. These reports may be found in Appendix A. Sound levels with characteristics representative of a dance radiating from the façades have been considered. Sound radiating from the roof of the existing Bear Estate building has been eliminated in the analysis as the future building will have four additional storeys. Sound data for the make-up air fan and kitchen exhaust fan have been included. Noise from the HVAC units currently located on the rooftop have been omitted in the analysis as it is assumed that these units will be relocated to the mechanical penthouse on the proposed roof of the future expanded Bear Estate building. These sound levels were used as input to a predictive computer model (Cadna-A version 2018, build: ) in order to estimate the sound levels from the existing sources towards the most potentially impacted receptors (existing 3-storey residential building and future hotel units). Cadna-A is a computer implementation of ISO Standard , Acoustics Attenuation of Sound During Propagation Outdoors, which takes into account attenuation due to distance (geometrical spreading), shielding by intervening structures (such as buildings and bush), air attenuation and ground absorption. The detailed information and assumptions used to develop this model can be found in the previous reports. Figure 3 shows the locations of the most sensitive receptors and the green crosses and lines

10 Noise Feasibility Study, Proposed Hotel Development Page 8 Living Waters Resort, Collingwood, ON February 12, 2018 represent the noise sources. 6.1 Results The calculated daytime and nighttime sound levels from the noise sources of the Bear Estate building at the most potentially impacted residences are summarized in Table IV, and presented graphically in Figures 4 and 5. Table IV: Predicted Sound Levels from the existing Bear Estate building addition at Existing and Future Sensitive Receptors [dba], Without Mitigation Receptor Day* Night* Criteria (Daytime / Nighttime) R1 Existing 3-Storey Residential Building (Southeast Façade) / 45 R2 Proposed Outdoor Living Area on the 4 th floor of the future Bear Estate building / 45 R3 Proposed hotel suites in the future Bear Estate building / 45 Note: *The sound level predictions at the facades were performed at the top floor of the building Results indicate that the predicted sound levels due to the operation of mechanical equipment and musical activities in the Bear Estate building will be within the MOECC s minimum exclusionary limits, without any addition noise mitigation measures, at the sensitive receptors during the daytime and nighttime hours.

11 Noise Feasibility Study, Proposed Hotel Development Page 9 Living Waters Resort, Collingwood, ON February 12, Summary of Recommendations Sound levels due to road traffic will not exceed MOECC guidelines at the proposed hotel expansion. The following recommendations are provided with regard to noise mitigation. For transportation noise sources: 1. Any building construction meeting the minimum requirements of the Ontario Building Code will provide sufficient acoustical insulation for all units in the proposed development. 2. There are no specific ventilation requirements or warning clauses required for any of the units within the proposed developments. For stationary noise sources: 1. Additional noise mitigation measures are not required for the stationary noise sources associated with the Bear Estate building s musical activities and mechanical equipment.

12 Proposed Development Existing Living Waters Resort Figure 1: Key Plan

13 Figure 2 - Proposed Site Plan Showing Prediction Locations

14 oordinates m Pase earestate ddition R1 WATER R2 R3 WATER Pase otel MUA Inlet KEF Outlet Pase otel Existing Resort Figure 3: Assumed Noise Source Locations and Key Residential Receptors

15 oordinates m Pase earestate ddition R1 WATER R2 Pase otel MUA Inlet R3 KEF Outlet WATER Pase otel Existing Resort Figure 4: Predicted Daytime Sound Level Contours, dba

16 oordinates m Pase earestate ddition R1 WATER R2 Pase otel MUA Inlet R3 KEF Outlet WATER Pase otel Existing Resort Figure 5: Predicted Nighttime Sound Level Contours, dba

17 APPENDIX A pporting normation

18 L REE PRPEDPE DEELPE PRPEDPE EREE DD PRPEDPE EL E LDR E PE E PE E PE RR REE

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30 Submitted To: Law Development Group Attention: Mr. Larry Law 8000 Jane Street, Suite 201, Building B Concord, ON L4K 5B8

31 1.0 EXECUTIVE SUMMARY SITE AND BUILDING LAYOUT ACOUSTIC CRITERIA ACOUSTIC MODELLING RESULTS AND RECOMMENDATIONS CONCLUSIONS...4 FIGURES 1 & 2

32 HGC Engineering was retained by the Law Development Group to perform an acoustical study for the proposed banquet facility at the Bear Estate development. Based on proposed banquet hall uses, preliminary architectural plans, and the site layout, the acoustical impact of the banquet facility activities on the closest residential properties has been estimated. The noise from the activities is compared to the lowest anticipated background sound levels, to judge whether the predicted sound levels are likely to be audible at the receptors. This is then used to establish anticipated compliance with the Town of Collingwood by-law on noise (draft version). Ministry of the Environment guidelines on noise are also referenced. Recommendations are provided with respect to roof, glazing and wall construction details, which when implemented will ensure that the typical activities of the banquet facility remain low with respect to the background noise and impacts to nearby residents are minimal. The site is located at 15 Harbour Street East, Collingwood, Ontario. The proposed banquet facility is to be constructed within about 40 m of the nearest residential building to the northwest; a 3-storey multifamily residential building, recently constructed on a cul-de-sac off Balsam St. To the southwest, there is an existing L-shaped hotel. To the east is the waterfront of Georgian Bay, including a marina. The proposed banquet facility is a 1-storey building with approximately half of the floor area configured as banquet hall; the remainder as the entrance foyer, washrooms, catering, etc. The hall space is considered to represent the potential source of noise impact, during a typical function. The hall area is about 13 m wide by 27 m long, which includes the ability to subdivide the space into three bays of about 13 m by 9 m. The configuration of one large banquet space is considered in this study as having the greatest potential noise impact. The space faces east (towards the water) and is proposed to be fully glazed with three glass doors leading to the veranda along the east facade. The west side of the building will include the entrance foyer, washrooms, etc., which do not represent significant noise potential. The north facade of the banquet hall (13 m long) will be solid wall (no windows or doors), while the south façade of the banquet hall (also 13 m long) will be mostly glazed, but includes a brick veneer (solid wall) below the windows. The ceiling height, as well as the glazing area on the east façade is about 4 m high; the north wall is a stud and drywall construction with the upper (approximately 3 m) being siding while the bottom portion includes a brick veneer; and the south faced includes the same lower brick veneer, with the upper 3 m being glazed. The roof is a coreslab construction with a false pitched roof on top. The site and building layout are oriented to minimize noise impacts at the nearest residential receptors. The proposed banquet facility is on land currently zoned H C7-3, which is designated Holding Marine Commercial Exception Three, under by-law No The Holding designation may be removed based on the acceptance of a noise study and implementation of the recommendations therein. For the purposes of this noise impact assessment, the noise criteria are based on the draft noise by-law (2007-xx) of the Corporation of the Town of Collingwood. It is noted that this document also references the Ministry of the Environment guidelines on environmental noise, indicating that neither those guidelines nor the restrictions imposed by the prohibitions of the by-law shall be violated.

33 The by-law prohibits creating noise from amplified program material if it is clearly audible at a point of reception, within the time frames set out in Schedule A. While the subject land, including the hotel, is in Zone C, which has an exception time frame of 7 am to 11 pm (9 am to 7 pm on Saturdays, or all day Sunday and holidays), the nearest residential properties are in Zone B which has no exceptions for time of day (i.e., prohibited at all times). A prohibition based on clear audibility implies an entirely subjective approach, which is dependent on individual interpretation. It is, however, well established that if the noise of concern is near the level of background noise otherwise present, then audibility is diminished, with the extension that if the noise is below the background sound level, then the sound is not likely to be clearly audible. This is the basis of the MOE guideline sound level targets. The MOE guidelines indicate that if the hourly-averaged sound level of the subject noise meets or is less than the hourly averaged background sound level during the same period, then a noise impact is not considered to exist. Further, the MOE suggests an exclusionary limit of 45 dba in urban areas (such as this), although this provision is not used here due to the subjective audibility clause. For this study, we have considered shorter-term sound levels, based on the rhythmic peaks of typical banquet hall activities. That is, typically, the sound would be characterized by short-term peak levels, with the hourly average being lower in sound level. Conversely, our determination of the background sound is not averaged over an hour, but rather considers the lower short-term sound levels. Thus, our comparison of the music peaks to the short-term background sound is more stringent than the MOE approach. Between 11 pm and midnight on February 3, 2008, HGC performed background sound level measurements adjacent to the nearest residential receptor. The measurements included 20 minutes of monitoring the sound level on a second-by-second basis. This high sampling rate ensures that the background noise between higher sound level events (gusts of wind, car passby on the nearby highway) were captured. The typical background sound is characterized by the L 90 sound level (sound level exceeded 90 percent of the time). This is defined in the MOE guidelines and is a well accepted indicator of the background sound level. Near the residential receptor, the background L 90 sound level was measured to be 31 dba. This is taken as the criterion for the residents to the northwest. Note that with the background sound levels measured during the late evening hours, during the winter, the background sound levels are considered very quiet. It has not been verified, but it is highly likely that background sound level during the summer would be higher. That is, the absence of snow on the ground could allow highway sounds to propagate farther towards the receptors, the absence of ice in the harbour could result in substantially higher noise from waves, etc. Thus, we have assessed the most stringent potential impact. Based on our experience with measured sound levels from events ranging from Karaoke to rock concerts, we have considered a sound level with characteristics representative of a dance (i.e., a disc jockey with pre-recorded music, or band performing live amplified music). We have not considered the venue to be used as a concert facility, in which it is common to have highly amplified low-frequency sound (bass cabinets), and which can be much more difficult to contain within a given building construction. Typical indoor peak sound levels of 105 dba at a Karaoke, dance, or similar event (peaks, not continuous) are assumed. We have then calculated the amount of sound radiated from the three facades (north, east, south) and the roof based on the proposed constructions. The site conditions and building orientation were also

34 considered in the modelling, using a software package (CADNA/A) which incorporates the outdoor noise prediction standards contained in ISO-9613, and is generally accepted by the MOE for outdoor sound propagation studies. It is noted that the orientation of the building on the site provides substantial acoustic shielding for the residences to northwest (and even more shielding for the more distant residences to the west). Figure 1 shows the solid acoustic model (buildings and critical receptor) on the site plan for the area, as well as a satellite photo of the area (from Google Earth) superimposed. Also noted is the measurement location (R), which corresponds to the critical residential sound prediction location. Following the initial analysis, the sound levels at the nearest receptor were found to be higher than the background by a modest amount (approximately 5 db). Additional calculations were then undertaken to develop recommendations to achieve compliance, as outlined in the following section. Various modifications were considered for the building envelope constructions, keeping in mind constructability and the proposed look of the building. It was found that the glazing should be specified to consist of one lite of 6 mm glass and one lite of 4 mm glass or 8 mm glass or thicker (not 6 mm), separated by an airspace of at least 13 mm. This applies to the glazed façade on the east, including doors, as well as for the glazing on the south façade. The north solid wall should be specified to include the currently proposed exterior elements (siding, sheathing, 38 x 184 wood framing with 180 mm thick batt insulation), however on the interior face, at least two layers of 16 mm type X insulation mounted from the studs on resilient channels should be specified. Note that it is also required that the doors on the east, leading from the banquet facility, remain closed for the types of events modelled in this study (i.e., dances). The roof construction includes an approximately 200 mm thick concrete coreslab with typical rigid insulation and built-up roofing above. The false pitched roof above will provide some shielding of the noise, however, because of the large radiating area of this roof, the ceiling assembly is required to be upgraded from the indicated exposed slab. The ceiling upgrade is to include a suspended ceiling at least 300 mm below the slab. Because the interior walls and ceiling of the banquet facility consists of all reflective surfaces (drywall, glazing, or textured ceiling), the ceiling should be at least 80 % absorptive, to help reduce the reverberation (which tends to amplify the sound). To address both the reverberation and the ceiling upgrade, the recommended ceiling upgrade is to consist of a suspended T-bar ceiling over at least 80 % of the ceiling area, using mineral fibre (not fibreglass) tiles with a Noise Reduction Coefficient (NRC) rating of at least 0.55 and Ceiling Attenuation Class (CAC) rating of at least 30. The remaining area may include drywall bulkheads. Because this analysis is based on the sounds from a typical dance, other similar functions will also be expected to have similar impacts, and are therefore acceptable. Louder events, such as band concerts (rock, jazz, brass, pop, etc.) are not accommodated by this site. The analysis indicates that the sound levels from the facility are within the criteria, provided the above recommendations (façade constructions, type of event, closed doors on the east) are implemented. Figure 2 shows the results of the acoustic model, with sound contours mapped for the condition with the specified glazing, ceiling, and north wall constructions, the doors closed, and assuming typical amplified music for a dance. The colour-coded areas correspond to predicted sound levels from the three facades.

35 HGC Engineering has assessed the potential for noise impact from the operation of a proposed banquet facility at 15 Harbour Street, Collingwood in order to satisfy one of the conditions for removal of the holding designation on the current zoning. The receptors of concern are the multi-family residential buildings to the northwest. The criterion for acceptable sound levels is based on the draft noise by-law of the Town of Collingwood, as well as the guidelines of the Ministry of the Environment. For typical reception activities (including dances), the wall, roof/ceiling, and glazing specifications recommended in section 6 should be included to mitigate the potential impact. Prepared by: Alex Lorimer, MEng, PEng

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38 March 31, 2008 Law Development Group 8000 Jane Street, Suite 201, Building B Concord, ON L4K 5B8 Attention: Mr. Larry Law Re: Bear Estates Banquet Facility Noise Study, Addendum Dear Mr. Law, HGC Engineering has revised the analysis of the potential for noise radiating from the proposed banquet facility. This letter serves as an addendum to that report in light of recent additional information. This addendum considers the following new information: 1) Three HVAC units, (two Carrier model 48PG04, one Carrier model 48PG07) are located along the west portion of the north wall. 2) One HVAC unit (Carrier model 48PG07) is located along the west portion of the south wall. 3) One make-up air fan (estimated at 5000 cfm) will be contained within the building, with its louvered intake at the south end of the west façade. 4) One kitchen exhaust fan (also at 5000 cfm) will be contained within the building, with its louvered exhaust on the south façade, at least 6 feet east of the southwest corner, and no more than 10 feet above the ground. 5) An air well will be constructed of 200 mm concrete block around the HVAC equipment on the north. A matching air well for the kitchen exhaust louver and HVAC equipment will be constructed along the south façade. These block wells will also include exterior siding to match the building. 6) The construction of the north wall of the building will include 200 mm concrete block. Sound data for the equipment was provided and is included in the revised acoustic model. The north wall of the building shall consist of the exterior siding, 200 mm concrete block, a 13 mm air gap, 90 mm steel studs with 90 mm batt insulation in the cavity, and two layers of 16 mm type X gypsum wall board. The transmission loss of this wall was estimated and revised in the model. The predicted sound level with this equipment and wall revision at the nearest receptor location (R) was calculated to 31 dba. Figure 1 presents the revised layout of this equipment, as modelled acoustically.

39 Law Development Group Page 2 Bear Estates Banquet Facility Noise Study, Addendum March 31, 2008 Note that the above analysis considers evening and night-time operation of the HVAC equipment. Typically, this involves a 50% setback of the equipment due to the lower heat load at night. The calculated 31 dba sound level (from all sources) meets the 31 dba criterion which was previously established for night-time. During the daytime, when the ambient noise is higher, the HVAC equipment may operate closer to its design capacity. The predicted sound level under those conditions is 32 dba (a 1 db increase). This is an imperceptible difference, and can also be expected to meet the daytime ambient sound levels, which will be higher as discussed in our report. In conclusion, the inclusion of HVAC equipment, a make-up air unit, and a kitchen exhaust fan, as described above, and including the concrete block air well walls and upgraded north building wall is predicted to result in sound levels radiating from the building which meet the previously developed criterion sound level at the nearest residential receptors. If there are any questions, please feel free to contact us. Yours truly, Howe Gastmeier Chapnik Limited Alex Lorimer, MEng, PEng

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41 APPENDIX B Road ra idata

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43 APPENDIX C ample tpt

44 STAMSON 5.0 NORMAL REPORT Date: :05:24 MINISTRY OF ENVIRONMENT AND ENERGY / NOISE ASSESSMENT Filename: a.te Time Period: Day/Night 16/8 hours Description: Phase IV Hotel, West Façade facing Balsam Street, Prediction Location [A] Road data, segment # 1: Highway 26 (day/night) Car traffic volume : 20067/2230 veh/timeperiod * Medium truck volume : 772/86 veh/timeperiod * Heavy truck volume : 1213/135 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): Percentage of Annual Growth : 2.80 Number of Years of Growth : 9.00 Medium Truck % of Total Volume : 3.50 Heavy Truck % of Total Volume : 5.50 Day (16 hrs) % of Total Volume : Data for Segment # 1: Highway 26 (day/night) Angle1 Angle2 : deg deg Wood depth : 0 (No woods.) No of house rows : 0 / 0 Surface : 1 (Absorptive ground surface) Receiver source distance : / m Receiver height : / m Topography : 1 (Flat/gentle slope; no barrier) Reference angle : 0.00 Road data, segment # 2: Balsam (day/night) Car traffic volume : 1493/317 veh/timeperiod Medium truck volume : 18/2 veh/timeperiod Heavy truck volume : 12/1 veh/timeperiod Posted speed limit : 40 km/h Road gradient : 0 % Road pavement : 1 (Typical asphalt or concrete) Data for Segment # 2: Balsam (day/night) Angle1 Angle2 : deg deg Wood depth : 0 (No woods.) No of house rows : 0 / 0 Surface : 1 (Absorptive ground surface) Receiver source distance : / m Receiver height : / m Topography : 1 (Flat/gentle slope; no barrier)

45 Reference angle : 0.00 Results segment # 1: Highway 26 (day) Source height = 1.53 m ROAD ( ) = dba Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq Segment Leq : dba Results segment # 2: Balsam (day) Source height = 0.94 m ROAD ( ) = dba Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq Segment Leq : dba Total Leq All Segments: dba Results segment # 1: Highway 26 (night) Source height = 1.53 m ROAD ( ) = dba Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq Segment Leq : dba Results segment # 2: Balsam (night) Source height = 0.75 m ROAD ( ) = dba Angle1 Angle2 Alpha RefLeq P.Adj D.Adj F.Adj W.Adj H.Adj B.Adj SubLeq Segment Leq : dba

46 Total Leq All Segments: dba TOTAL Leq FROM ALL SOURCES (DAY): (NIGHT): 47.86