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11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 1 QMP Specifications QMP base aggregate QMP base aggregate Review and comment.

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Presentation on theme: "11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 1 QMP Specifications QMP base aggregate QMP base aggregate Review and comment."— Presentation transcript:

1 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 1 QMP Specifications QMP base aggregate QMP base aggregate Review and comment on QC plan Review and comment on QC plan Establish and agree on posting/distribution of control charts Establish and agree on posting/distribution of control charts Review control charts and test results daily Review control charts and test results daily Review production tests records Review production tests records

2 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 2 QMP Specifications QMP base aggregate QMP base aggregate Placement- verify qualified labs and personnel are doing sampling and testing Placement- verify qualified labs and personnel are doing sampling and testing Verify QC placement samples randomly sampled at proper frequency Verify QC placement samples randomly sampled at proper frequency Monitor corrective actions and discuss with contractor as needed Monitor corrective actions and discuss with contractor as needed Sample, test and evaluate verification(QV) samples per defined frequencies Sample, test and evaluate verification(QV) samples per defined frequencies

3 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 3 QMP Specifications QMP concrete pavement QMP concrete pavement Review and comment on QC plan Review and comment on QC plan Review, comment, sign, and date mix designs Review, comment, sign, and date mix designs Establish and agree on posting/distribution of control charts Establish and agree on posting/distribution of control charts Review control charts and test results daily Review control charts and test results daily Review MRS for timely and correct information (approve quantities and payment) Review MRS for timely and correct information (approve quantities and payment)

4 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 4 QMP Specifications QMP concrete pavement - cylinders QMP concrete pavement - cylinders QC – contractor 1 set of 3 per each sublot- reports on MRS QC – contractor 1 set of 3 per each sublot- reports on MRS CC- companion cylinders-contractor casts 1 set of 3 per lot CC- companion cylinders-contractor casts 1 set of 3 per lot oDept. takes custody no more than 72 hrs after fabrication oDeliver to lab for cure and testing immediately(same day) oCCs and cylinder cards labeled with lot and sublot- this corresponds to the matching QC lot and sublot oCompare CC results with matching QC set. Best to do this early and not wait until the project is complete

5 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 5 QMP Specifications QMP concrete pavement - cylinders QMP concrete pavement - cylinders CC- companion cylinders CC- companion cylinders oIf companion cylinders strength results differ by more than 10 % from the matching QC set immediately notify your regional materials unit oThe 10 % is based on comparing the average strength of each set against the average of the QC and CC set of cylinders oIf differences greater than 10 % are found than investigation is needed- contact your region IA specialist

6 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 6 QMP Specifications QMP concrete pavement - cylinders QMP concrete pavement - cylinders QV- verification cylinders- QV- verification cylinders- oDepartment casts- 1 set of 3 per lot oIndependent sample from QC oResponsible for fabrication, field cure, lab cure, testing and reporting oIdentify and label lot and sublot

7 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 7 QMP Specifications QMP concrete structures QMP concrete structures Review and comment on QC plan Review and comment on QC plan Review, comment, sign, and date mix designs Review, comment, sign, and date mix designs Establish and agree on posting/distribution of control charts Establish and agree on posting/distribution of control charts Review control charts and test results daily Review control charts and test results daily Review MRS for timely and correct information(approve quantities and payment) Review MRS for timely and correct information(approve quantities and payment)

8 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 8 QMP Specifications QMP concrete structures- cylinders QMP concrete structures- cylinders QV- verification cylinders- QV- verification cylinders- oDepartment casts- 1 set of 3 per lot oIndependent sample from QC oResponsible for fabrication, field cure, lab cure, testing and reporting oIdentify and label lot and sublot

9 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 9 QMP Specifications QMP concrete structures - cylinders QMP concrete structures - cylinders CC- companion cylinders CC- companion cylinders oIf companion cylinders strength results differ by more than 10 % from the matching QC set immediately notify your regional materials unit oThe 10 % is based on comparing the average strength of each set against the average of the QC an CC set of cylinders oIf differences greater than 10 % are found than investigation is needed- contact your region IA specialist

10 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 10 QMP Specifications QMP concrete structures - cylinders QMP concrete structures - cylinders QV- verification cylinders- QV- verification cylinders- oDepartment casts- 1 set of 3 per lot oIndependent sample from QC oResponsible for fabrication, field cure, lab cure, testing and reporting oIdentify and label lot and sublot

11 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 11 QMP Specifications QMP concrete ancillary QMP concrete ancillary Contractor QC reports on department worksheet- WS 5013 Contractor QC reports on department worksheet- WS 5013 QC casts 1 set of two cylinders per each 200 CY for each mix and placement method QC casts 1 set of two cylinders per each 200 CY for each mix and placement method Companion cylinders are not required Companion cylinders are not required

12 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 12 QMP Specifications QMP concrete ancillary QMP concrete ancillary QV-verification-department- one set of two cylinders (28 day) QV-verification-department- one set of two cylinders (28 day) oTest at a frequency of 10 % of QC tests(or once per project) oIndependent sample from QC oResponsible for fabrication, field cure, lab cure, and testing oIdentify and label lot and sublot

13 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 13 QMP Specifications ws5013

14 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 14 QMP Specifications QMP HMA QMP HMA Mix design submissions- department reviewed Mix design submissions- department reviewed Periodic observation of contractor sampling and testing (verify qualified lab and personnel) Periodic observation of contractor sampling and testing (verify qualified lab and personnel) Monitor control charts and data postings daily- copies to be submitted to the engineer daily Monitor control charts and data postings daily- copies to be submitted to the engineer daily Monitor corrective actions and discuss with contractor as needed Monitor corrective actions and discuss with contractor as needed

15 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 15 QMP Specifications QMP HMA QMP HMA Design mixture field verification Design mixture field verification o Independent sample o Frequency based on total quantity for a mix design o Not based on contract quantity o Testing by Region labs only

16 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 16 QMP Specifications QMP HMA nuclear density QMP HMA nuclear density Approved gauges and qualified testers Approved gauges and qualified testers Approved project reference site Approved project reference site QC and QV gauges correlated QC and QV gauges correlated Test site locations based on mathematically random basis Test site locations based on mathematically random basis QC tests documented on correct WisDOT forms- original data sheets submitted within 24 of lot completion QC tests documented on correct WisDOT forms- original data sheets submitted within 24 of lot completion

17 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 17 QMP Specifications QMP HMA nuclear density QMP HMA nuclear density QC tests documented on correct WisDOT forms- original data sheets submitted within 24 of lot completion QC tests documented on correct WisDOT forms- original data sheets submitted within 24 of lot completion QV tests- one lot per mix design, 1 lot per 10 5 of contractor lots QV tests- one lot per mix design, 1 lot per 10 5 of contractor lots QV tests reported on MITS/MTS prefix 262 report QV tests reported on MITS/MTS prefix 262 report

18 11/7/2008 Wisconsin Department of Transportation Bureau of Technical Serviices 18 QMP Specifications QMP documentation QMP documentation Summarize on prefix 155 report Summarize on prefix 155 report Keep on-going excel spreadsheet Keep on-going excel spreadsheet Reference diaries and other QMP documents on a prefix 900 report Reference diaries and other QMP documents on a prefix 900 report Examples of reports Examples of reports


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