Hot mix asphalt and truck mix concrete batch plant
The air permit application for the Prospect Hill site was approved in 2018. Equipment is onsite, but no construction has begun.
Concerns about this and the other 2 asphalt/concrete plant include pollution, fires, noise, smell, roads, traffic, wells, agriculture, wildlife, environment, zoning, enjoyment of one’s property, etc.. For a more complete list see Asphalt/concrete plant concerns.
Plans are for an asphalt plant and a truck mix concrete batch plant to be located at 4266 Wrenn Rd and consist of the following:
- a propane/natural gas/fuel oil-fired drum type hot mix asphalt plant (HMA). The plant will have a capacity of 250 tons of asphalt per hour (2,190,000 tons per year). The particulate matter will be controlled by a bagfilter.
- two (2) hot mix asphalt storage silos (150 tons maximum capacity each)
- three (3) hot mix asphalt storage silos (200 tons maximum capacity each)
- asphalt loadout operation
- truck loadout operation
- a reclaimed asphalt pavement (RAP) crushing system consisting of:
- a crusher (65 tph)
- a screen
- a conveyor
- a mobile crusher (65 tph) with generator
- 2 Liquid Asphalt Tanks (30,000 gallon capacity each)
- a fuel Oil Fuel Tank (20,000 gallon capacity)
- an asphalt cement heater
- an asphalt tank heater
Truck mix concrete batch plant
- a cement silo (185 tons maximum capacity)
- a fly ash silo (135 tons maximum capacity)
- truck loadout point
- cement/fly ash weight batcher (5 tons maximum capacity)
- aggregate weight batcher (5 tons maximum capacity)
State Permits and Documentation
Air Quality Permit – An air permit was approved and issued in Jan 2018. For the application, see Air permit application 1700015.17A Wrenn rd site and for the NC DEQ issued permit, see air permit for Prospect Hill 10529R01. In the application, the company plans the limits asphalt production to 250,000 tons per year, however, NC DEQ issued the permit allowing for up to 1,488,581 tons per year.
NPDES Permits – Two National Pollutant Discharge Elimination System (NPDES) permits were issued – one for the concrete operations and one for the asphalt plant operations. The NPDES permit NCG140460 for the concrete operations allows the discharge of stormwater and process wastewater to receiving waters designated as Sugartree Creek, a class WS -II, HQ water in the Roanoke River Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, IV, and V of General Permit No. NCG140000. The NPDES permit NCG160227 for the asphalt plant allows the discharge of stormwater to receiving waters designated as Sugartree Creek, class WS- II; HQW waters in the Roanoke River Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in NC General Permit No. NCG160000.
Erosion and sedimentation control plan – The control plan was approved on 2/8/2016.
Caswell County Requirements
- Environmental Assessment (EA) in the form of an EA Application
- Environmental Impact Statement (EIS) meeting the format and content found in section Sec. 14-70(c) of Caswell County’s Environmental Impact Ordinance
- Flood Hazard Acknowledgement Form if either 100 year floodplain or floodway is located on the property
- Floodplain Development Permit if located within a Regulatory Floodway or Non-encroachment
- Land Development Form
- Special Non-Residential Intensity Allocation (SNIA) Permit if development exceeds 12% built-upon area (UDO 10.8.3.5.)
- Spill containment plan if storing toxic and hazardous materials (UDO section 10.8.3.3.)
- Stormwater management plan, if applicable (UDO 10.8.3.5.5.2.)
- Inventory of hazardous materials, if applicable (UDO 10.8.3.5.5.3.)
- Watershed Protection Permit (UDO 10.8.11.)
- Site Plan (required by Watershed Protection Permit process) to include:
- Stream buffer setbacks
- Impervious surface area calculation
- Undisturbed vegetation
- Any proposed new structures
- Other required features
- Watershed Protection Occupancy Permit (UDO 10.8.13.)
- Building Permit (UDO 10.8.12.)
- Confirmation of an applicable NC DEQ permit
- Confirmation of a NC DOT Driveway Permit
- NC DEQ determination regarding origination of on-site ponds
UDO = Caswell County’s Unified Development Ordinance
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