The URL can be used to link to this page

Home My WebLink AboutNCG140164_Inspection Report -Stevenson-Weir Southern_20231206 ChmrfoN-M4cA4nburg ji / STORM Facility Inspection Wi E 5tormW ate r.Cho rMeck.org SuviceS Facility Name: Stevenson-Weir/Southern, LLC Inspection#: 80306 Contact: Tim Cannon, Maintenance&Production Manager Permit#: NCG140164 Inspector: Ron Eubanks Receiving Stream: IRWIN Inspection Date: 11/21/2023 Entry Time: 10:00 am Exit Time: 11:30 am SIC#: Facility Description: Stevenson-Weir/Southern, LLC(formerly Southern Concrete Materials)is located at 715 State Street on approximately 7.5 acres. The facility makes concrete and loads concrete materials into mixing trucks for delivery to customers. File Review/History: Charlotte Mecklenburg Storm Water Services (CMSWS)previously conducted an inspection at this site on March 17,2016 and found the facility to be in compliance. Notices of Violation were issued by CMSWS on June 9,2017 and October 15, 2019 to Southern Concrete Materials for illicit discharges to the stormwater drainage system. Per facility staff,there are plans to relocate the concrete operations to 5010 Hovis Road, Charlotte in 2024. Inspection Summary:At the time of inspection,the facility was observed to be in compliance with the City of Charlotte Storm Water Pollution Control Ordinance. Please refer to the report for comments and recommendations. Site Inspection Deficiency Comments Stormwater system (catch basins, Recommendation Stormwater and process water drain via sheet flow into two inlets, outfalls, etc.) detention basins. The water is treated with carbon dioxide to adjust the pH before draining into two drop inlets,which discharge to Outfall#001. There was minor sedimentation observed on the property during the inspection. CMSWS recommends routine lot sweeping to reduce stormwater pollution in the runoff from the property. Erosion issues Satisfactory No erosion issues were observed on the property during the inspection. Structural stormwater control Satisfactory The are two detention basin SCMs located on the property. measures(SCMs) No stormwater pollution issues were observed. Illicit discharges/connections Satisfactory There were no illicit discharges/connections observed on the property during the inspection. Aboveground storage tank(s)(ASTs) Satisfactory There are two 5,000-gallon diesel fuel ASTs, one 1,500-gallon and any associated venting and/or new motor oil AST, one 1,500-gallon used oil AST. The ASTs dispenser(s)—list tank size(s)and are covered and located within secondary containment. No contents stormwater pollution issues were observed. Underground storage tank(s)(USTs) N/A and any associated fill port area(s) and dispenser(s)—list tank size(s) and contents Outdoor material storage area(s) Recommendation Concrete aggregate, stone, and concrete blocks are stored outdoors.The storage totes containing concrete additives are also stored outdoors. CMSWS recommends that the storage totes be located within secondary containment. To report pollution or drainage problems call: 311 :T QARLOTTE_ http://stormwater.charmeck.org 12/6/2023 1:37:54PM Page 1 of 3 Site Inspection Deficiency Comments Outdoor processing area(s) Satisfactory The stormwater and process water is recycled at the facility. The stormwater and process water is treated with carbon dioxide to adjust the pH before it is discharged from the property. No stormwater pollution issues were observed. Loading/unloading area(s) Satisfactory No stormwater pollution issues were observed in the loading/ unloading areas. Vehicle/equipment area(s)-fueling, Satisfactory The concrete trucks and equipment are fueled, maintained, maintenance,washing, storage, etc. washed, and stored on the property. The trucks and equipment are fueled from the dispenser pumps located on the diesel fuel ASTs. The maintenance activities are conducted inside the shop building.The wash water from the truck and equipment washing area drains to the detention basin SCM and the process water is recycled. No stormwater pollution issues were observed. Oil/water separator and/or N/A pretreatment Waste storage/disposal area(s)- Satisfactory There are multiple dumpsters used for municipal waste and open tops,waste containers, scrap scrap metal recycling.The municipal waste and scrap metal metal bins, etc. dumpster were observed to be covered to prevent stormwater exposure. No stormwater pollution issues were observed. Food service area(s) N/A Indoor material storage area(s) Satisfactory No stormwater pollution issues were observed in the indoor storage area. Indoor processing area(s) Satisfactory The truck maintenance activities are conducted inside the maintenance shop building. No stormwater pollution issues were observed. Floor drains N/A There were no floor drains observed inside the maintenance shop building. Spill response equipment Satisfactory There are spill kits located at the outdoor fueling area and inside the maintenance shop building. The spill kits were observed to be stocked with oil absorbent and booms. SWPPP Section Observed Comments Does the facility have a Stormwater Satisfactory A SWPPP has been prepared and implemented for Pollution Prevention Plan (SWPPP)? Stevenson-Weir/Southern LLC. Reviewed and updated annually Satisfactory The SWPPP was reviewed and updated in January 2023. Responsible party Satisfactory General location (USGS)map Satisfactory Detailed site map Satisfactory Narrative description of industrial Satisfactory processes Feasibility study Satisfactory Evaluation of stormwater outfalls(non Deficiency A non-stormwater discharge evaluation of the outfall should -stormwater discharge evaluation) be conducted annually per NCG140000 Permit requirement. Stormwater best management Satisfactory practice(BMP)summary Secondary containment plan (all Satisfactory necessary secondary containment provided and documented) Records on every release from a N/A The secondary containment areas are covered. secondary containment system (for the last 5 years) To report pollution or drainage problems call: 311 CttARL(YFTE_ http://stormwater.charmeck.org 12/6/2023 1:37:54PM Page 2 of 3 SWPPP Section Observed Comments Spill prevention and response Satisfactory procedures(SPRP) List of significant spills or leaks(for Recommendation Per facility staff,there have been no significant spills or leaks the last 3 years) on the property during the last 3 years.The facility should add a notation of"No spills"to the SWPPP for each year that no spills have occurred. Solvent management plan (SMP) Satisfactory Preventative maintenance and good Satisfactory housekeeping program (PMGHP) Facility inspections conducted as Satisfactory The recent quarterly inspections were conducted on March required 16, June 26, and August 28,2023. Employee training (provided and Recommendation Annual stormwater employee training is conducted. The documented) I I training records should be documented in the SWPPP. Qualitative/Analytical Monitoring Observed Comments Qualitative monitoring conducted as Satisfactory The recent qualitative monitoring was conducted on March 16 required , June 26,August 28, 2023 and documented in the SWPPP. Analytical monitoring conducted as Satisfactory The recent analytical monitoring was conducted on March 16, required June 26,August 28, 2023 and documented in the SWPPP. Analytical monitoring for onsite Satisfactory The recent analytical monitoring was conducted on March 16, vehicle and equipment maintenance June 26,August 28, 2023 and documented in the SWPPP. as required Permit and Outfalls Observed Comments Copy of permit and certificate of Satisfactory The facility's has certificate of coverage NCG140164. coverage onsite All outfalls observed Yes No stormwater pollution issues were observed at the outfall. Number of Outfalls Observed 1 Representative outfall status N/A documented by DEMLR Annual no-exposure self re-certificatio N/A n documented To report pollution or drainage problems call: 311 CIIARIATTE. http://stormwater.charmeck.org �� .. 12/6/2023 1:37:54PM Page 3 of 3