Sydenham Pearl Brownfield Remediation Project 2017 Conference - Brownfields: The Next Generation June. 15, 2017 Ed Taves Joshua Schram, BA Project Manager Policy Planner CH2M HILL City of Brantford
Presentation Overview • Site Context • Historical Background • Pre-remediation Environmental Assessments • Remediation Phases 2 &3 • Key Project Challenges • Next Steps
City of Brantford • Population: 100,000 • Single-tier municipality • 2 Major Brownfield Projects Underway • Brownfield projects managed by: • *Planning Department • Technical support from other departments
Site Context • Site is comprised of 2 properties owned by the City of Brantford • The site area is approximately 2.4 ha (6 acres) • Mostly surrounded by a residential neighbourhood. • 22 Sydenham Street directly abuts the CN rail line on the north side.
• Smaller companies went bankrupt • vacant & underutilized infrastructure • Prone to vandalism, fire, pests, squatters
Project History 1991 - 2001 Major industry vacated the Site and portions of onsite infrastructures were • demolished. 2002 - 2004 After a subsequent fires, the City acting as the agent on behalf of the Medical • Officer of Health, demolished all remaining structures on site. The City proceeded with environmental investigations of the site, the demolition • of above ground structures, and removal of underground storage tanks. 2005 - 2011 The City entertained options for purchase and sale of the property. • City decided to undertake remediation and redevelopment of the site • T o achieve parkland/residential standards •
Project Funding • 2012 Council approved $4.6 million to complete the remediation of the Sydenham Pearl Site to the highest environmental standards to support residential/parkland uses.
Remediation Program 2012 Phase One (Technical Background) 2013-2015 Phase Two Environmental Site Remediation Risk Assessment 2016 Risk Assessment-Soil Cap Requirement Site Risk Assessment Approval 2017 Record of Site Condition Finalized regulatory procedures Consideration for Redevelopment
Project Mobilization 2012 RFP: Phase One and Two Environmental Site Assessments CH2M HILL Retained to oversee remediation and provide contract administration 2013-2015 Milestone Environmental Contracting was hired by the City to complete the remediation of the site, and remediation was overseen by CH2M HILL.
Phase Two Environmental Site Assessment (17 Sydenham)
Phase 2 - Remediation Program The remediation took 8 weeks to complete and included: • The removal of underground storage tanks • Excavation and offsite disposal of petroleum hydrocarbons in soil • Insitu-soil mixing to break down volatile organic compounds in soil and groundwater
Phase 2 - Remediation Program
Lang Tool
Phase 3: Soil Cap Design and Construction Phase 3 took roughly 8-10 weeks to complete and included: • Asphalt stripping, transport and disposal excavation, • Crushing and reuse of concrete onsite; • Berm construction (CN requirement); • Installation of non-woven geotextile and soil capping over the entire site and; • Hydro-seeding, tree planting, and sodding.
Phase 3 Photos Preparation for Concrete Crushing Stockpiling of Crushed Concrete
Phase 3 Photos Infiltration Gallery 22 Sydenham Street Infiltration Gallery 17 Sydenham Street
Phase 3 Photos Non-woven geotextile installed on 17 Installation of geogrid on 17 Sydenham Sydenham
Phase 3 Photos 22 Sydenham (March 2016) 22 Sydenham (Nov 2016) (City of Brantford Planning Department, 2016)
22 Sydenham (Sep 2016) 22 Sydenham (Nov 2016) (City of Brantford Planning Department, 2016)
Key Project Challenges • Adjacent Residential • Encroachments • Public Communication
Next Steps: Public Consultation – Future Uses The Public Options City of Consultants Brantford
Project Timelines Task Schedule Record of Site Condition Fall 2017 Staff Report to Council Fall 2017 Public Communication & Fall/Winter Information 2017
THANK YOU - QUESTIONS? Ed Taves Joshua Schram, BA Project Manager Policy Planner CH2M HILL City of Brantford etaves@ch2m.com JSchram@brantford.ca
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