Environmental Issues Related to Construction Projects
Transcript of Environmental Issues Related to Construction Projects
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ENVIRONMENTAL ISSUES RELATED TO CONSTRUCTION
PROJECTSSTATE OF TEXAS PROFESSIONAL ARCHITECTS
CONTINUING EDUCATION
Presented by:
Paul WildVice President, Environmental Services Tolunay-Wong Engineers, Inc.
Presented to:
AIA Houston
March 14, 2013
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Introduction
• Professional Background• Discussion
- CE/EA/EIA- Permitting- Phase I & II ESAs- Operational Issues- Supplemental Case Histories
• Questions
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CE/EA/EIA Categorical Exclusion (CE): completed to demonstrate that an
area being considered for development does not warrant an EA or full EIA.
Environmental Assessment (EA): completed for an area being considered for development that has limited environmental value
Environmental Impact Assessment (EIA): required when a Subject Site or area has significant environmental values
All assessments typically include:-Land use-Faulting-Wetlands-Endangered species-Noise-Socioeconomic Impacts-Historical/Archaeological Resources
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Faulting in the Houston Area
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CE/EA/EIA
Required by Regulatory Agencies
-Federal Highway Administration (FHA)
-TxDOT
-Federal Transportation Authority (FTA)
-Federal Aviation Administration (FAA) Required to meet U.S. Council on Environmental
Quality requirements under the National Environmental Policy Act (NEPA)
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Categorical Exclusion Ex.
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Categorical Exclusion Ex.
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Categorical Exclusion Ex.
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Categorical Exclusion Ex.
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Categorical Exclusion Ex.
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Categorical Exclusion Ex.
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Environmental Assessment Ex.
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Environmental Assessment Ex.
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Environmental Assessment Ex.
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Environmental Assessment Ex.
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Environmental Assessment Ex.
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PermittingWhat? Corps 404 Wetlands Permitting (Clean Water Act)
-Wetlands Delineation and Ordinary High Water Mark Drawings-Soil Test Pit Data Sheets-GPS coordinates in UTM to 1-meter resolution
Corps Section 10 Bridge Permitting for Navigable Waters (Rivers and Harbors Act)
USCG Section 9 Bridge Permitting for Navigable Waters (Rivers and Harbors Act)
Section 9 & 10 Permitting Typically Include:-Location Map-Plan & Elevation View of Bridge-Section 401 Water Quality Certification from TCEQ-Coastal Zone Management Certification from GLO if in a mapped Coastal Area-Approved Environmental Document (Categorical Exclusion, EA/FONSI, EIS)
Why?-Ensure wetlands maintain their surface water purification and wildlife habitat capabilities-Ensure navigable waters maintain their proper flow dynamics and accessibility to vessel traffic
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
Permitting Ex.
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Permitting Ex.
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Permitting Ex.
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Permitting Ex.
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Phase I & II ESAs Phase I ESA – an assessment, resulting in a report, which is prepared for
a real estate holding, typically involved in a transaction, which identifies potential or existing environmental contamination liabilities. The process, content and preparation of a Phase I assessment are governed by American Society of Testing and Materials (ASTM) Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process (ASTM Designation: E1527-05)
Phase II ESA – usually initiated as a result of a recommendation coming out of a Phase I ESA if conditions are found to exist which indicate the potential for environmental contamination to exist on a Subject Site. Although content of a Phase II ESA is governed by the findings of the Phase I ESA, Phase II ESAs are governed by (ASTM) Standard Practices for Environmental Site Assessments: Phase II ESA Process (ASTM Designation: E1903-97, Re-approved 2002)
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Phase I & II ESAs Most often required by lending institutions (banks) to protect
their investment in a property transaction
May be requested by a seller as a pro-active attempt to satisfy the buyer and prove that the Subject Site has no liabilities. Most buyers will however want their own agent to do an assessment as well, at least as confirmation of what the seller is telling them
Most often requested by a buyer to satisfy their lending institution and for their own peace of mind
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Phase I ESA• Records Review: most commonly subcontracted by the
Environmental Professional(s) responsible for conducing the Phase I ESA, to an Environmental Data Base Firm who maintains databases of government required reporting, historical photos, historical maps, etc.
• Site Reconnaissance: by an Environmental Professional• Interviews: with owners and occupiers, regulators
• Report Preparation: typically addresses both the underlying land as well as physical improvements to the Subject Site; however, techniques applied in a Phase I ESA never include actual collection of physical samples or chemical analyses of any kind.
• Excluded from the scope of Phase I ESAs are: asbestos-containing materials (ACM), radon, lead based paint, lead in drinking water, wetlands, cultural and historic risks, industrial hygiene, health and safety, ecological resources, endangered species, and indoor air quality
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Phase II ESA• Intrusive investigation: to identify and determine the nature
and extent of potential contamination. It normally follows a Phase I investigation where site conditions or history of use and/or neighboring lands, or age of facility suggest potential for impaired conditions
• Boreholes, Test Pits and/or Wells: to provide a representative coverage of the area of concern. Groundwater monitoring wells may also be installed to analyze water quality. Subsurface conditions including soil stratigraphy, groundwater evaluations, flow, direction, and gradient, as well as depth to bedrock may be determined during such investigations. Based on the results obtained during the subsurface investigation programs as well as other available information, site sensitivity assessment is conducted in order to identify legislation or guideline requirements.
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Phase II ESA• Laboratory characterization of soil, groundwater, air and
materials is completed in addition to assessment of the physical properties of subsurface environments and contaminants. Chemical constituents are analyzed and compared to applicable Environmental Regulations and Standards. If exceedances are found, zones of contaminated soils or groundwater are delineated and quantified.
• Possible effects on human health and safety and the natural
environment are researched as well as potential migration pathways, possibility of off-site impacts and chemical stability.
• Recommendations of alternative remediation technologies as well as timing and costs can be included.
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CITY OF HOUSTON
Phase II Ex.
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Phase II Ex.
CITY OF HOUSTON
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CITY OF HOUSTON
Phase II Ex.
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Operational Issues• Tank Removal and other Remediation Activities: based on the findings of
Phase II ESAs.
• Stormwater Management: Usually based on a Stormwater Pollution Prevention Plan (SWPPP or SWP3) which is required under the National Pollution Discharge Elimination System (NPDES) its Texas counterpart, TPDES.
• Waste Management: No specific plan required routinely, however many regulations exist, particularly around hazardous waste handling, storage, transport and disposal, and of course, in retroactively cleaning up sites contaminated with hazardous wastes under the Resource Conservation and Recovery Act (RCRA), and Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). The USEPA has a lot of guidance on managing wastes on its website.
• Auditing: The USEPA encourages self- policing and has incentives for self discovery, disclosure, correction and prevention of violations.
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Waste Management Ex.
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Waste Management Ex.
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Waste Management Ex.
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Waste Management Ex.
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Waste Management Ex.
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Supplemental Case Studies
Kirby Drive
Spring Cypress Road
Grady Middle School
IT-16
Robinson Bayou
Orange Harbor
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Kirby Drive
Confidential Client
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Columns in a high-end condominium complex were heaving due to soils expansion caused by water absorption. Cracking of walls and floors was occurring from the first to third floors. The water source was not known but was suspected to be one of four things:
1) aboveground pool with known cracks allowing leakage2) below-ground sanitary sewer line from the complex3) on-site storm water detention basin4) nearby bayou suspected of causing saturated soils from
high water events
Project SummaryKirby Drive
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Drill 12 borings to 20 ft to evaluate soil geotechnical properties
Install piezometers to establish groundwater levels near potential water sources
Evaluate groundwater chemistry to identify probable water sources
Scope of WorkKirby Drive
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Kirby Drive
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Kirby Drive
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Kirby Drive
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Kirby Drive
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Kirby Drive
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Kirby Drive
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Kirby Drive
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Spring Cypress Road
Harris County Public Infrastructure Department
HCPID
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HCPID needed geotechnical and environmental services for a roadway expansion project that included lane additions, bridge widening, and drainage improvements. Drainage improvements consisted of conversion of roadside ditches to culverts.
Project SummarySpring Cypress Road
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Lane expansion and detention pond geotechnical studies
Phase I and II Environmental Site Assessments
Historical/Cultural Survey, including archaeological pedestrian and excavation surveys
Threatened and Endangered Species Survey
Wetlands and Water Bodies Delineation and Corps 404 Permitting
Geophysical Surveys
Waste Management and Health and Safety Plans
Third-Party Contractor Quality Assurance Monitoring for construction materials and hazmat handling
Scope of WorkSpring Cypress Drive
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Spring Cypress Road
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HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
Spring Cypress Road
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Spring Cypress Road
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE
DEPARTMENT
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE
DEPARTMENT
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Spring Cypress Road
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Spring Cypress Road
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Spring Cypress Road
HARRIS COUNTY PUBLIC INFRASTRUCTURE DEPARTMENT
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Grady Middle School
Houston Independent School District
HISD
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HISD needed Phase I and II ESAs to evaluate the presence of hazardous materials before initiating a school upgrade and expansion project.
Project SummaryGrady Middle School
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Phase I ESA
Phase II ESA
Supplemental Phase II ESA
Negotiations with and Notification to Railroad Commission of Texas
Waste Management Plan
Health and Safety Plan
Third-Party Contractor Quality Assurance Monitoring for hazmat handling
Scope of WorkGrady Middle School
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HOUSTON INDEPENDENT SCHOOL DISTRICT
Grady Middle School
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Grady Middle School
HOUSTON INDEPENDENT SCHOOL DISTRICT
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Grady Middle School
HOUSTON INDEPENDENT SCHOOL DISTRICT
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Grady Middle School
HISD
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IT-16
Metropolitan Transit AuthorityMETRO
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METRO was entering into negotiations with a seller for a key tract to be used for the Intermodal Terminal as part of its light rail expansion program and needed expert witness testimony related to the negative impacts on valuation caused by hazardous materials on the tract. The presence of the hazmat limited development options for foundations, i.e. slab on grade versus structural foundations.
Project SummaryIT-16
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Phase I ESA
Phase II ESA
Supplemental Phase II ESA
Geotechnical Study
Expert Witness Litigation Support
Investigation Derived Waste Management
Scope of WorkIT-16
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IT-16
METRO
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IT-16
METRO
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IT-16
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IT-16
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IT-16
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IT-16
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IT-16
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IT-16
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IT-16
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Robinson Bayou
City of League City
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The City of League City needed to stabilize the slopes of Robinson Bayou and also wanted to construct a hike and bike trail along the high bank of the bayou. Geotechnical and environmental studies were required to support the project design and environmental permitting tasks.
Project SummaryRobinson Bayou
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Geotechnical Study
Historical/Cultural Resources Survey
Threatened and Endangered Species Survey
Wetlands and Water Bodies Delineation
Hydrogeomorphic Modeling and Wetlands Functional Assessment
Stream Functional Assessment
USFWS and TPWD Section 7 Consultation
Wetlands Mitigation Plan
Bid Specifications Review
Corps 404 Permitting
Scope of WorkRobinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
CITY OF LEAGUE CITY
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Robinson Bayou
CITY OF LEAGUE CITY
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Robinson Bayou
CITY OF LEAGUE CITY
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Robinson Bayou
CITY OF LEAGUE CITY
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Robinson Bayou
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Orange Harbor
City of Orange, TX
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Project Summary
The City of Orange wanted to develop a boardwalk along a stretch of the Sabine River that has an oxbow meander loop that is no longer the principal flow centerline for the river. Geotechnical and environmental studies were required to support the project design and environmental permitting tasks.
Scope of Work
Geotechnical Study
River Flow Velocity Study
Project Summary & Scope of WorkOrange Harbor
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Orange Harbor
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Orange Harbor
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Orange Harbor
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Orange Harbor
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Orange Harbor
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Orange Harbor
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Orange Harbor
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Orange Harbor
CITY OF ORANGE
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Orange Harbor
CITY OF ORANGE
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Orange Harbor
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Thank you!Questions?