Prospect Hill Quarry and Distribution site

Hot mix asphalt and truck mix concrete batch plant

Status

Concerns

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.

Description

Plans are for an asphalt plant and a truck mix concrete batch plant to be located at the quarry site (1238 Wrenn Rd) and consist of the following:

Asphalt Plant

  • 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)
    • bin and feeder
    • a double deck screen
    • six conveyors
  • a mobile crusher (65 tph) with generator
  • 2 used oil storage tanks (20,000 gallon capacity each)
  • 2 liquid asphalt tanks (30,000 gallon capacity each)
  • 2 diesel fuel storage tanks (20,000 gallon capacity each)
  • propane storage tank (100,000 gallon capacity)
  • asphalt cement heater
  • liquid asphalt tank heater

Truck mix concrete batch plant

  • a cement silo (200 tons maximum capacity)
  • a fly ash silo (150 tons maximum capacity)
  • truck loadout point
  • cement/fly ash weight batcher (5 tons maximum capacity)
  • aggregate weight batcher (20 tons maximum capacity)

State Permits and Documentation

Air Quality Permit – An air permit is required. For the air permit application, DAQ review, and draft air permit, see https://deq.nc.gov/carolina-sunrock-hearing (currently denied). To keep pollutants under Clean Air Act limits, the company plans the following limits:

  • Limit asphalt production by 40% to 876,000 tons per year
  • Limit quarry operations to 4,745 hours per year and 7,117,500 tpy
  • Limit the large generators running only 2 of the 3 simultaneously and only for 17,520 hours per year

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
    • Setbacks
    • Undisturbed vegetation
    • Easements
    • 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

Questions?

Questions and comments about the proposed asphalt and concrete plants can be sent to admin@protectcaswell.org.