Debris Management Sites
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Transcript of Debris Management Sites
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NCEMA Spring Conference 2014Debris Management Sites
Deb Aja – NCDENR Solid Waste Section
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Since Hurricanes Fran (1996) and Floyd (1999), NC has grown to be one of the best states for Hurricane awareness, planning and response.
Gov. Hunt charged state officials to better organize and be prepared for these type events.
Executive Order 104 -1996. Disaster Recovery Task Force, Center, and Action Team.
Implementation of 22 new state programs (hog lagoons, flood mapping, etc.)
How We Got Started
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• Lead state agency on management of solid waste -storm generated debris
• Charged with assisting local governments in management of debris in a manner to meet FEMA Public Assistance reimbursement
• Participated in SART – Proper management of animal mortality
• Development of Temporary Disaster Debris Staging Sites program and Debris Management guidance
• Require Disaster Planning and Response measures in LG Solid Waste Management Plans
Solid Waste Section Involvement
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NCDENR Solid Waste Section – Field Operations Branch
• Compliance and Technical Assistance Duties• All FOB staff are State Emergency Response
Team (SERT)members – Infrastructure Support
• NIMS and other EM training • FOB staff maintain personal COOP plans • Regular communication with Local
Governments/Facilities for disaster readiness• Availability to work anywhere, anytime
statewide
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Field Operations Branch
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Debris Management OptionsDemolition Waste
Existing Landfills Transfer Facilities
Vegetative WasteExisting Mulching operations or
Landfills
Preparing for the scenario where existing facilities are not accessible or operational…
Temporary Disaster Debris Staging Sites
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Most counties will not have enough permitted facilities to handle the debris generated by a disaster.
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What is a Temporary Disaster Debris Staging Site?
Preapproved area designated to provide for the temporary storage and/or the initial processing of disaster generated vegetative and/or demolition debris.
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Temporary Disaster Debris Staging Sites• Sites are evaluated to meet FEMA reimbursement
standards.• All sites go through process of evaluation to comply
with environmental rules and Historic Preservation/Natural Heritage.
• Over the last decade, FOB staff have evaluated over 700 debris sites for use statewide.
• Conditionally approved and require activation prior to use (only FL maintains a similar database).
• 6 months operations window to remove debris (Requires re-inspect to close out).
• Prior to Irene, ~350 sites available for use.
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Benefits of Preparedness• Having pre-staged debris sites, contracts,
procedures in place is critical to the recovery process.
• A key component of reimbursement.• Funding mechanism is shifts from 100% Federally
paid for designated timeframe post landfall, then reduced.
• Movement of debris is critical to re-establish of vital services (electricity, etc)
• Reduction of public safety risk and environmental impact due to waste streams remaining in place.
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Recent Disaster EventsTornadoes – Central and East 2011
Hurricane Irene – East 2011Tornado – Cherokee County 2012
Winter Weather - Central and East 2014
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18 Counties impacted16 activated debris storage sites ( 12 new)~7000 homes (500+ destroyed) – ~5000 in
Wake County aloneOver 100 business (~25 destroyed)Vegetative and Demolition Waste, Metals,
HHWEO 88 and HB268 – relaxed State rules on
open burning and on-site burial. Also charged DOT with to assist with removal of waste from private property
Placed burden on local government as it conflicted with FEMA reimbursement policies.
April 2011 Tornadoes
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Irene made landfall as CAT 1 near Cape Lookout on 8/27/11
34 counties impacted84 activated Debris sites (over 60 new)Due to configuration of the storm, NE quad was
flooding /storm surge related, wind to west of eyeStorm surge caused major damage along “inner
banks”Concentrated mostly between the western eye
wall and western most bandsEO 105 – Required NCDOT & DENR to assistance
in debris removal from private property
Hurricane Irene
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Between April tornadoes and Irene, the market for mulch and boiler fuel in Eastern NC became overwhelmed.
Several debris sites stored processed materials for extended period.
Concerns of increase pile heating and spontaneous combustion.
At least 2 sites caught fire.
Hurricane Irene
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Localized impacts - Murphy areaVegetative and demolition debris generatedBusiness and residential damage, roads blocked4 activated Debris sites (1 new)1 exclusively by NC DOT for vegetative debris Demolition waste was containerized at source
and delivered to an out-of-state landfill
Cherokee County 2012 Tornado
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Winter Weather March 6, 2014
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We are never fully prepared – Most new debris sites were in counties that did not have sites set up or who already had sites just in the wrong locations
Standard procedure sometimes goes out the window
State / Local cooperation Tornadoes can happen in all areas of NCSmall storms produce large amounts of
debrisNatural Disasters don’t discriminate
→Urban vs. Rural
Lessons Learned
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Temporary Disaster Debris Staging Sites
Waste Management Options
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Chipping/Grinding→Typically Tub Grinders→4:1 reduction (75% reduction)
Debris Reduction (vegetative)
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Burning (requires permitting)→Air curtain pit incineration→20:1 reduction (95% reduction)→ Requires management of ash
Debris Reduction (vegetative)
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Storage of Demolition Wastes
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Demolition and Vegetative Waste
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Other Wastes…
• No household garbage, hazardous wastes, medical wastes, or items banned from disposal can be accepted at any temporary staging site
• All refrigerators / freezers should be inspected by operator prior to acceptance
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Temporary Disaster Debris Staging Sites
Establishing New Sites
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Advance Planning & Approval Process
Site Selection
Evaluation
Conditional Approval
READY TO ACTIVATE - CONTACT SOLID WASTE SECTION
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Typical Procedure ….County/City/Contractor/Landowner will
complete the “Site Evaluation Sheet” available on our portal.
It is then sent to the Environmental Senior Specialist for the area in which the site is proposed.
After receiving the form, the Environmental Senior Specialist will conduct a site visit.
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Even better….Team approach very successful when coordinating with EM staff, DOT, other agencies.
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Site Evaluation Form - Mapping
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Size?Should be based on the expected volume at each
location (using the FEMA calculation guidance). The Public Assistance Debris Estimating Field Guide is available on portal site.
Larger sites mean fewer sites to operate and close. However, smaller, strategically placed sites are advantageous.
Smaller sites require more coordination and staffing, but will allow for quicker debris clearing in remote areas.
Smaller sites are typically used for vegetative debris storage.
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Number of Sites… Since the location of
damage can not be predicted several sites should be selected and approved across the county.
This will allow staging options if access problems and heavy localized damage occurs.
Ideally each county would have at least 4 sites conditionally approved and ready to activate.
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Debris sites have siting criteria setbacks that must be met for approval based on waste type and management option (grinding, air curtain burner, etc.)
Must pass review by Natural Heritage Program and State Historic Preservation Office (often can take 2-3 weeks to obtain approval)
Allow time to conduct environmental studies and clearly define restoration goals.
Site Selection - Siting Criteria
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Site Selection - Siting Requirements
100 feetSurface Waters/Waters of the StateProperty BoundariesBuildings & StructuresSeptic SystemsVegetative Waste to potable water supply wells
250 feetDemolition waste to potable water supply wells
300 feetTub Grinders to structures or locations where
property damage and/or personal injury could occur due to airborne debris, vibration, etc.
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Would this make a good site?
Sites should be located outside of identifiable or known floodplain and flood prone areas
Consult the Flood Insurance Rate Map for the location in your county to verify these areas.
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Access
Sites should provide for easy access from main roads.
Should not create traffic problems on local streets.
Should avoid populated areas if possible.Should not create other problems (dust,
noise, or traffic issues) to nearby residents.Consider safety issues such as power lines
and underground utilities.
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Advice to Local Government Environmental Impact
Develop baseline data for each site whenever possible to include location of any potential problems, such as:History of previous uses of the property.Location of closest residences.Presence and condition of potable wells and
water quality.Residents with health problems in the area.Photographs of the site for closure purposes.Soil samples when possible.
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Activation, Operation, Site Closure
Site Activation
6-Months Operation
Site Closure
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Site ActivationBEFORE USING THE SITE Contact Environmental Senior Specialist to
have the site ACTIVATED.
A site will only be activated in the event of an emergency. Note- this does not have to be a “declared” emergency.
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Sites should be operated by the county / city / township, NCDOT or contract operators.
It should be clear who is responsible for the operation and closure of the site from the beginning.
Private contractors operating temporary storm debris sites should have written contracts prepared by local government to ensure proper operation and closure.
Operations
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Operations
Prior to use, the site buffers should be flagged.
All temporary sites must be staffed during hours of operation to prevent unauthorized use or dumping.
Segregate waste prior to delivery to site.
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What is the problem here?
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Operations - Fire Prevention
•Keep piles small – maintain wind rows 5-6 high and 8-10 feet wide to allow volatile gases to escape.
•Monitor waste piles and turn when temperatures reach 160°F.
•Separate piles with travel lanes spaced for fire fighting equipment.
•Monitor incoming wastes for “hot loads”.
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Site Closure: Material Removal
All demolition debris removed to a permitted solid waste management facility.
All processed and unprocessed vegetative material, and inert debris should be removed to a properly permitted solid waste management facility or other approved locations (e.g. fuel delivered to a boiler).
Tires must be disposed of at a scrap tire processing/ disposal facility.
White goods and other scrap metal are separated and recycled.
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Active Site
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Same site as previous slide, restored.
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Field Operations Branch offers Debris Management Training every 3 years with emphasis on Debris Site staging, Air Quality Rules, and basic debris planning.
One-on-one training available upon request.
Debris Management Training
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For more information or planning assistance… http://portal.ncdenr.org/web/wm/sw
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For more information or planning assistance… http://portal.ncdenr.org/web/wm/sw