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Home My WebLink AboutCCB0035_DukeUniversity_InspectionReport_20191206STRUCTUAL FILL COAL ASH INSPECTION Notification Number/Site Name: CCB0035/Duke University West Campus County: Durham Date of Inspection / Site Visit: December 6, 2019 Inspection Performed by (Inspector / Division): Davy Conners (DWM) Physical Address / Crossroads of Location / GPS Location: 308 Research Drive, Durham, NC, 27708 36.002703,-78.943516 Size of Structural Fill: X <10,000 cubic yards (CY) Between 10,000 and 100,000 CY >100,000 CY Landowner verified: Duke University (Durham County Parcel ID 108792, PIN 0811-05-69-9264100) Current use of site? Has use changed from last inspection? Are there any areas of exposed ash? Design concerns (if applicable) The structural fill area is under the Science Research Center. What is the proximity of the structural fill to receptors? Private Dwellings — no, see Figure 1, Proximity Map. Community Centers —yes, university. Surface Water Features 50' (Lakes, Ponds, Wetlands, Streams) — no, see Figure 2, Wetlands Map. Water Supply Wells 100'/500' (Public and Private) - unknown Desktop Receptor Check Seasonal high groundwater table — unknown 100 year / 500 year floodplain — no, see Figure 3, Flood Risk Map. Are there any known utilities in close proximity to, within and/or beneath the fill area? — unknown Past Noted Violations: (What were thev and were the violations resolved None Page 1 of 4 Revised 2019 supplemental SF site inspection STRUCTUAL FILL COAL ASH INSPECTION Additional Comments: History: On March 16, 1992, Duke University submitted written notice to DEQ of the use of coal combustion furnace ash from the Duke University Steam Plant as structural fill in the foundation of the Science Research Center on the West Campus of Duke University. In this letter, it was estimated that four to five thousand tons would be used for this project. Davy Conners, DWM/Solid Waste Section Inspector Name and Division/Section _(919) 707-8290 Phone Number Page 2 of 4 Revised 2019 supplemental SF site inspection PF mron Duke Universitv. .111V NaT.I Duke Buildin Mar y D NorlL. I. . I rBuiJdiTlg Trend 4L - sw Bryan Researc La§alh-=?Par i6g Lot / Dept of compter %, Science ► f 0 .4 LevigCcience4 R�s crCenter r Duke pi esjy Pratt 'Pesaro Schod1of Engineering .Duke 4f f I e- e Hl Fitzpatrick Conte JA WE II STRUCTUAL FILL COAL ASH INSPECTION Figure 2: Wetlands Map Figure 3: Flood Risk Map Page 4 of 4 Revised 2019 supplemental SF site inspection