13 QA/QC RESPONSIBILITY Job Control Testing Used for Acceptance QA/QC Testing by ContractorJob Control Testing Used for AcceptanceIndependent Assurance Testing by DOTDiscrepancies in Test Results resolved by third party testing
14 Additional Measures by DOT Assigned Resident Construction EngineerHired Consultant for Monitoring and TestingDOT sets 10% Independent Test Ratio
15 QA/QC COMMITMENT QA/QC QA/QC 9 12+ PROJECT DOT CONTRACTOR 1 3+ ENOREE/REEDY R. BRS.WATEREE R. BRIDGESC 170 WIDENINGCAROLINA BAYS PKWYCOOPER RIVER BRIDGE
25 QA/QC BASIC STRUCTURE Acceptance Testing by DOT QC Testing by ContractorAcceptance Testing by DOTDOT Test Rate Equals 20% of QC TestingIndependent Assurance Testing by DOT
26 QA/QC PERSONNEL QA/QC QA/QC 9 + 12+ 18+ 20+ DESIGN-BUILD CONTRACTS PROJECT DOT CONTRACTORQA/QC QA/QCENOREE/REEDY R. BRS.WATEREE R. BRIDGESC 170 WIDENINGCAROLINA BAYS PKWY-1COOPER RIVER BRIDGEContract ResponsibilityNot a Contract Responsibility
27 The Environmental Challenge Sediment and Erosion ControlConstruction AccessHazardous MaterialsTurtle LightingCommunity Impacts
28 The Environmental Challenge Joint Environmental InspectionsContractor and DOT Contractor has a full time environmental inspector on the projectFull Time SCDOT Environmental ConsultantTogether, the team of environmental professionals functions to ensure environmental compliance and to expedite the environmental process.
29 Sediment & Erosion Control Approximately 2 miles of silt fence, 10 temporary sediment basins, and several check dams among other control measures are installed on the project.Contractor and SCDOT have strict inspection processes in place to monitor erosion control measures.Inspections weekly and after every .50” rain
33 Hazardous MaterialsSCDOT has remediated five UST’s, disposed of more than 100 cubic yards of contaminated material, and abated lead based paint and asbestos from structures ranging from houses to bridge.During the construction of the CRB, SCDOT has spent an additional half million dollars for handling of hazardous materials/waste encountered during construction.
34 Pumping material from an abandoned UST encountered in the Charleston Interchange.
35 Potential Turtle Impacts Concerns raised that bridge lights may disturb loggerhead hatchlingsAesthetic Lighting ModifiedLights are controlled by timerLights may be dimmedLights may be turned off
36 Community ImpactsNine homes within the project ROW were relocated for affordable housing.The homes were placed on new foundations at various sites in the community and are being renovated through a partnership between SCDOT and the City of Charleston.
39 Lessons Learned Include the Draft Contract with the RFP Include Schedule of Values in ContractQC/QA - Trust but verifyIndependent Assurance by DOTBe sensitive to the community concernsMake Partnering a Key ElementEstablish Lines of CommunicationTime really is money – make decisions quickly