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District 8-0 Winter Construction School February 23rd, 2012 PTM 611 Linda A. Atkinson

District 8-0 Winter Construction School February 23rd, 2012 PTM 611 Linda A. Atkinson Bureau of Project Delivery (BOPD) Innovation & Support Services Division (ISSD) Construction Quality Assurance Section (CQAS). PTM 611.

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District 8-0 Winter Construction School February 23rd, 2012 PTM 611 Linda A. Atkinson

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  1. District 8-0 Winter Construction School February 23rd, 2012 PTM 611 Linda A. Atkinson Bureau of Project Delivery (BOPD) Innovation & Support Services Division (ISSD) Construction Quality Assurance Section (CQAS)

  2. PTM 611 • PTM 611 Making and Curing Concrete Compression and Flexural Test Specimens in the Field • Revised December 2011 • Change 5 to the 2003 edition of Publication 19

  3. PTM 611 • Materials Quality Assurance Stewardship Review • Recommendation • “Security of field cured cylinders should be improved.”

  4. PTM 611 • Questionnaire to all 50 States • Best Practices • Dissimilar Acceptance and Quality Control Processes • Nothing or Not Applicable (20) • Locks on Cure Boxes (2) • Metal Tags (1)

  5. PTM 611

  6. PTM 611 • Metal Tags >5mm Saw or Grind into Tolerance

  7. PTM 611 • Destructible Stickers • Controlled Environment • Worked Good

  8. PTM 611 • Statewide Pilot Project • 3 Projects per District • Pre-fab facilities

  9. 00006 00004 00002 00005 00256 00001 00254 00003 00252 00255 00251 00253 00006 00004 00002 00001 00005 00256 00254 00252 00003 00251 00255 00253 PTM 611

  10. PTM 611 • Results……………………. Some Good   

  11. Some NOT SO GOOD….       

  12. PTM 611 • Back to Basics

  13. PTM 611 • Making and Curing Concrete Compression and Flexural Test Specimens in the Field • Added Section 12 • Identification and Security of Compression Test Specimen Molds and Compression Test Specimens Molded on Construction Projects

  14. PTM 611 • 12.1 Identification of Specimen Molds • A PENNDOT Representative shall identify each specimen mold with the following info • Date Molded • Construction Area • Specimen Type • Series Number • Class of Concrete • AND Most Importantly…….

  15. PTM 611 • Each Specimen Mold Must Contain the Signature of a • PennDOT Representative • Contractor’s Certified Technician • Technician’s Certification Number

  16. PTM 611 • 12.2 Identification of Specimens • The PennDOT Representative will transfer the EXACT SAME Info on the Specimens • Date Molded • Construction Area • Specimen Type • Series Number • Class of Concrete • AND Most Importantly……….

  17. PTM 611 • Each Specimen Must Contain the Signature of a • PennDOT Representative • Contractor’s Certified Technician • Certification Number

  18. PTM 611 • Date Molded • Construction Area • Series Number • Class of Concrete • Specimen Type • PennDOT Rep Signature • Concrete Technician • Technician’s Certification #

  19. PTM 611 • TABLE B Section 704 Lot Sizes for Concrete Acceptance Construction Areas Structural Concrete (S) Pavement Concrete (P) Pavement Patching Concrete (PP) Incidental Concrete (M) Pavement Concrete RPS (RPS)

  20. PTM 611 • Specimen Types • Acceptance Testing (AT) • Quality Control Testing (QC) • Verification Testing (VT) • Independent Assurance Testing (IA) • Quality Assurance Testing (QA)

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