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HomeMy WebLinkAboutSW8120912_COMPLIANCE_20071228STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW SSG OTC` �l DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD Infiltration Evaluation Ocean King Condominiums Atlantic Beach, North Carolina ECS Project No. 22.13688 December 28, 2007 Location Depth Soil Description 1 0-30" Grey fine to medium SAND (fill) 30"48" Brick Debris and sand 48"-70" Tan fine to medium SAND Seasonal High Water Table was estimated to be at 55 inches below the existing grade elevation. Infiltration Rate: 0.35 inches per minute (21.0 inches per hour) Test was conducted at 31 inches below existing grade elevation Ground water was encountered at 70 inches below the existing grade elevation. Location Depth Soil Description 2 0-30" Grey fine to medium SAND (fill) 30"-70" Tan fine to medium SAND Seasonal High Water Table was estimated to be at 55 inches below the existing grade elevation. Infiltration Rate: 0.35 inches per minute (21.4 inches per hour) Test was conducted at 31 inches below existing grade elevation Ground water was encountered at 70 inches below the existing grade elevation. Location Depth Soil Description 3 0-12" Asphalt and ABC stone 12"-70" Tan fine to medium SAND Seasonal High Water Table was estimated to be at 50 inches below the existing grade elevation. Infiltration Rate: 0.55 inches per minute (33.2 inches per hour) Test was conducted at 26 inches below existing grade elevation Ground water was encountered at 66 inches below the existing grade elevation Infiltration Evaluation Ocean King Condominiums Atlantic Beach, North Carolina ECS Project No. 22.13688 December 28, 2007 Location Dgp Soil Description 4 0-12" Asphalt and ABC stone 12"-70" Tan fine to medium SAND Seasonal High Water Table was estimated to be at 50 inches below the existing grade elevation. Infiltration Rate: 0.46 inches per minute (27.7 inches per hour) Test was conducted at 26 inches below existing grade elevation Ground water was encountered at 60 inches below the existing grade elevation Location Depth Soil Description 5 0-12" Asphalt and ABC stone 12"-108" Tan fine to medium SAND Seasonal High Water Table was estimated to be at 108 inches below the existing grade elevation. Infiltration Rate: 0.50 inches per minute (29.6 inches per hour) Test was conducted at 72 inches below existing grade elevation Ground water was not encountered up to 108 inches below the existing grade elevation Location Depth Soil Description 6 0-24" Tan fine SAND with clay lenses (fill) 24"-108" 0-12" Asphalt and ABC stone 12"-70" Tan fine to medium SAND Seasonal High Water Table was estimated to be at 108 inches below the existing grade elevation. Infiltration Rate: 0.60 inches per minute (35.5 inches per hour) Test was conducted at 72 inches below existing grade elevation Ground water was not encountered up to 108 inches below the existing grade elevation