DSD-18-143 - Appendix A
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Reports - 01-08-003
DSD (April 2018-Pres)
DSD-18-143 - Appendix A
11/15/2018 2:52:47 PM
10/19/2018 12:18:27 PM
Date of Report
Date of Meeting
PSI Agenda - 2018-11-05
\Public Access Folders\Agendas\Standing Committees - 02-01-243\Plan & Strat Init\2018
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152 Shan ley Street <br />Vision Statement <br />SITE AND CONTEXT <br />Page 01 of 06 <br />amp <br />Existing 4 & 1 Storer The subject property is addressed 152 Shanley Street and is located at the northwesterly <br />Building on the Site corner of Shanley Street and nuke Street West.. The site is 0.35 hectares (4.87 acres) in area <br />and i5 currently occupied by a building which is 4 storeys in height along the [duke Street <br />frontage and a portion of the Shanley Street frontage .and a 1 storey section of the building <br />oriented along the Shanley Street frontage. The 4 storey and 1 storey buildings were <br />constructed independently of one another and were originally used for light industrial <br />purposes most recently by Electrohome and subsequently Art Fite Advertising. There has <br />been limited use and maintenance of the buildings since 1990 when Art Rite Advertising <br />declared bankruptcy. The property is privately -owned, in tax arrears and widely considered to <br />be an "eyesore'" in the neighbourhood. <br />lfnap: Map of subject <br />proper <br />it <br />]IMPIM <br />The Site Requires The subject property is known to be contaminated and will require remediation with the <br />Environmental objectives of preventing further movement of the contamination off-site and to prevent <br />Rernediation vapour 1ntrusions into existing. and/or future buildings. <br />The type and extent of the known contamination is outJIned in a Ministry of Environment and <br />Climate Change Franz report. The principle source of contamination is TCE, which is a <br />chlorinated solvent (a common degreaser), and is the result of pour disposal practices of waste <br />paints and solvents by Art Rite Advertisingvia a pit that was excavated through floor slab wvthin <br />the northeast part of the 4 storey portion of the building,. Accordingly, ori -site soil <br />contamination is most significant directly beneath the building as well there is contamination <br />of groundwater flows principally in a northeast direction. There are no known impacts of <br />vapour intrusions into nearby homes. <br />Remediation often involves a combination sof removal/disposal and risk assessment measures <br />(measure that contain vapour intrusions). Risk assessment measures are more demanding <br />and expensive for residential development compared to many other uses. However, risk <br />assessment measures are less demanding and expensive if residential development is <br />separated by iron -sensitive uses such as a first floor commercial space or an underground or <br />above ground parking structure. known as 'grade separators'. An underground parking <br />structure would assist greatly in remediating for vapour intrusions, <br />Remediation of this site has a high potential to impact the building's structural integrity, since <br />as noted, the contamination is most significant beneath the existing building, i.e. it would <br />difficult to access without undermining the building. Also, it is very difficult to retrofit an <br />existing building to prevent vapour intrusions. <br />At the present time, the cost of remediation is greater than the value of the property with the <br />existing building and the current pJanning permissions. <br />
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