Engineering Inc. - January/February 2010 - 19

MuLTI-PROJECT FEaTuRE The cleanup effort along the Ann Street Railroad Corridor is part of a decade-old plan to repair damage inflicted by years of industrial activity. The Great Ann Street Cleanup Scott Wilson PROJECT: ann Street Railroad Corridor brownfield Redevelopment Project, Delavan, Wis. FIRM: T ayres associates, Madison, Wis. he Ann Street corridor surrounds an established industrial and residential portion of Delavan, Wis., that runs along an old railroad line. For nearly a century, the area has played home to industrial businesses, from a metal finishing shop to a dry cleaner to a petroleum storage facility. While business owners have come and gone, the remnants of their many wares and services have left an unattractive and potentially destructive mark on the land. As part of a decade-old plan, the city has resolved to clean up the neighborhood through a rehabilitation effort that would reduce soil and groundwater contamination, alleviate stormwater flooding and breathe life back into a community overrun with crime and degradation. Since 2000, Madison-based Ayres Associates has provided services related to the project, including assistance identifying and preparing grants, hazardous materials assessments, groundwater site investigations, the creation of a remedial action plan and deconstruction oversight of several buildings. “Our team has prepared asbestos abatement and demolition specifications for more than 300,000 square feet of structures and has overseen soil remediation activities and the design and construction of a water quality basin intended to mitigate flooding,” says Ayres Vice President Scott Wilson. The 14-acre site includes 12 parcels of land that will be redeveloped for light industrial and commercial use. The site already is home to a new park and native plant storm-water quality basin, an automated car wash and an expanded storage facility and parking; a fire station will break ground this year. One of the toughest challenges Ayres has faced thus far was how to address five commingled groundwater plumes containing petroleum and chlorinated hydrocarbon contaminants. To clean the soil, engineers proposed the installation of multiple soil vapor extraction and air sparge systems. “Air is blown into the groundwater, the volatile contaminants are purged and deposited into the soil, where soil vapor extraction probes pull the contaminated, purged air out of the soil, where it is treated before being released,” explains Wilson. Another challenge was how to demolish a massive centuryold, 180,000-square-foot, threestory light industrial facility on site—without harming the surrounding environment. “Abutting the property are 40-year-old variegated maples. Not one was damaged in the demolition,” says Wilson. There were other questions, too, including how to address funding, scheduling and incorporating input from local residents—a tough task, considering the project already has outlasted four city administrators, two mayors and multiple council members. Says Wilson, “The real support mechanism was having a continuous flow of information between our staff, stakeholders and the community to identify options that would be the most cost-effective and environmentally friendly.” n ENGINEERING INC. JaNuaRy / FEbRuaRy 2010

Engineering Inc. - January/February 2010

Table of Contents for the Digital Edition of Engineering Inc. - January/February 2010

Engineering Inc. - January/February 2010
Contents
From ACEC to You
Market Watch
Legislative Action
Rep. Earl Blumenauer: Leading the Charge to Reform Infrastructure Funding
Logged On, Linked In
From The Ground Up
2009 Professional Liability Insurancy Survey of Carriers
Annual Convention Preview
From ACEC's Institute for Business Management
Members in the News
One on One
Engineering Inc. - January/February 2010 - Engineering Inc. - January/February 2010
Engineering Inc. - January/February 2010 - Cover2
Engineering Inc. - January/February 2010 - Contents
Engineering Inc. - January/February 2010 - From ACEC to You
Engineering Inc. - January/February 2010 - 3
Engineering Inc. - January/February 2010 - Market Watch
Engineering Inc. - January/February 2010 - 5
Engineering Inc. - January/February 2010 - Legislative Action
Engineering Inc. - January/February 2010 - 7
Engineering Inc. - January/February 2010 - Rep. Earl Blumenauer: Leading the Charge to Reform Infrastructure Funding
Engineering Inc. - January/February 2010 - 9
Engineering Inc. - January/February 2010 - 10
Engineering Inc. - January/February 2010 - 11
Engineering Inc. - January/February 2010 - Logged On, Linked In
Engineering Inc. - January/February 2010 - 13
Engineering Inc. - January/February 2010 - 14
Engineering Inc. - January/February 2010 - 15
Engineering Inc. - January/February 2010 - From The Ground Up
Engineering Inc. - January/February 2010 - 17
Engineering Inc. - January/February 2010 - 18
Engineering Inc. - January/February 2010 - 19
Engineering Inc. - January/February 2010 - 20
Engineering Inc. - January/February 2010 - 2009 Professional Liability Insurancy Survey of Carriers
Engineering Inc. - January/February 2010 - 22
Engineering Inc. - January/February 2010 - 23
Engineering Inc. - January/February 2010 - 24
Engineering Inc. - January/February 2010 - 25
Engineering Inc. - January/February 2010 - Annual Convention Preview
Engineering Inc. - January/February 2010 - 27
Engineering Inc. - January/February 2010 - From ACEC's Institute for Business Management
Engineering Inc. - January/February 2010 - Members in the News
Engineering Inc. - January/February 2010 - 30
Engineering Inc. - January/February 2010 - 31
Engineering Inc. - January/February 2010 - One on One
Engineering Inc. - January/February 2010 - Cover3
Engineering Inc. - January/February 2010 - Cover4
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