Download - REVISED June 2013
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REVISED June 2013STATE MATERIALS OFFICE
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Goals in this Session
To understand: Why we certify The Sampling & Testing process The Project Certification process The EAR/DDM process The Project Administrator’s Statement What an Exception is, and The Certification process & tools available
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Why Certify?
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23 CFR 637B
Federal Aid Policy Guide Sampling & Testing Program
Material Certification (MM 5.4)and MM 5.2 for LAP projects
Sampling, Testing & Reporting Guide
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Field S & T: An Overview
Does it meet Specs?
QC Testing
Verification Testing
EAR
Remove &
ReplaceNo
ResolutionNoDo they
Compare?
Yes
MaterialAccepted
Yes
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Project Material Certification
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ComponentsMaterials Engineer’s Certification
Contractor’s FinalCertification
PA’s MaterialsStatement
Contractor’s MonthlyCertification
Approved EARFor failing Material
Passing & VerifiedQC results
Reported Test Results
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Monthly Checklist Items
Verify the area represented contained acceptable material
Verify all material issues are resolved Verify Exceptions are complete and
accurate Verify the Exceptions match w/ Pay
penalties Verify all supporting certifications for
materials accepted by certification are received and meet specifications
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Engineering Analysis Report
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A report prepared by an approved licensed engineer providing analysis of failing material left in place
Evaluation of affected material, e.g., Analysis of additional samples, Life Cycle Cost Analysis, etc
Reporting structural adequacy with reference to the design criteria
“Disposition of Defective Material” form
What is an EAR?
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EAR Processing
Contractorsubmits EAR w/
recommendation to PA
PA. authorizesuse Of EAR
PA forwardsa copy of EAR
to DME
Non-standard material
left is in place
Contractorrequests PA use Of EAR
Use EAR ?
SCE makes final decision
PA & DME set up parameters
Yes
DME reviews EARand proposes
disposition to PA
PA sends EAR &disposition to DCE
Concur ?
DCE approvesdisposition
Yes
Dispositionimplemented
No
DCE prepares recommendation
DCE forwardspackage to SCE
No
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Project Administrator’s
Materials Statement
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Financial Project #:
Federal Project #:
Contract #:
County:
All materials incorporated into the referenced project(s) were accepted in accordance with the STRG or pertinent contract documents and met all applicable requirements.
•Earthwork density test locations and results are in substantial compliance with the pertinent specification requirements of this project. A spot-check of the project density records indicate substantial compliance with the governing specifications, sampling and testing guides, and procedures.
•All Contractor Quality Control (QC) material test results have been verified in accordance with contract requirements. The final disposition of all material represented by QC results has been accurately documented.
•All required certifications and/or certified test reports have been received in accordance with contract requirements.
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• Earthwork density test locations and results are in substantial compliance with the pertinent specification requirements of this project. A spot-check of the project density records indicate substantial compliance with the governing specifications, sampling and testing guides, and procedures.
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• All Contractor Quality Control (QC) material test results have been verified in accordance with contract requirements. The final disposition of all material represented by QC results has been accurately documented.
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• All required certifications and/ or certified test reports have been received in accordance with contract requirements.
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Exceptions
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What are Exceptions?(to the Certification)
Material Not Meeting StandardsFor CQC Testing: Asphalt does not meet standards if C.P.F. for
a Lot is less than 90%– However, we are noting failing tests, at the
request of the Bituminous technical unit Concrete does not meet standards if
“payment tests” do not pass Earthwork does not meet standards if ‘QC’
tests do not pass and are not verified
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What are Exceptions?(continued)
Material Not Meeting Standards (cont.)For Non-CQC Testing: Material does not meet standards if ‘V’ test
does not pass
Testing Frequency Material not tested, or tested at a frequency,
not in conformance with the Specifications and left in-place
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Qualifications Sampling and testing performed by unqualified
technicians (when specified in the Contract documents)
Testing performed at unqualified laboratories or at qualified laboratories during a time that they were removed from the list of Qualified Laboratories
Materials produced when the production facility was not on the accepted list, and left in-place
What are Exceptions?(continued)
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You have an Exception, how do you report it?
Description
Location
Quantity
Resolution (and at what pay)
Concurrence…obtained?
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Example of Format
Concrete, Class IV
The following Quality Control and Verification samples did not compare within the required tolerance. Resolution was not performed therefore these areas are not verified.
Sample Station Result (psi) Quantity (cy)CC4006V 806+77 to 807+97 7983 22.25CC4006Q ------------------------ 9330 -------
Project personnel recommended leaving the material in-place at full pay based on the QC results. The District Materials and District Construction Engineers concurred.
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Our Review(the process & tools)
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• Method of Acceptance –
What we look at: for all materials that have a paid qty, make sure have proper method of acceptance (examples: sampling and testing or certification)
USE: Final pay estimate for Reg. Pay Item Projects
*For Design Build and Lump Sum we use the final Job Guide Schedule
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• Open Samples
Use: Sample Status Progress Report and Samples Not Tested Report
The samples on these reports need follow up. They may need to be processed through LIMS (from receipt to approval)
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• Failing Material
USE: Samples with Disposition other than Full Pay per Spec (FS) Report
For material not meeting standards.
Do we have a DDM documenting resolution and concurrences?
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• Unqualified Personnel and Labs
When contracts specify to have qualified technicians and labs
Requirements will be under spec book Section 105 for both personnel and labs.
Need justification and how accepting material tested by unqualified personnel or labs
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• Material Certifications
USE: Required Certification Tracking Report to determine certifications that need to be sent to Gainesville
Make sure only those certifications that come to Gainesville are logged in LIMS
Others (sampled by PP tested by PP) are scanned into Hummingbird with the project files
• Random Sampling Program
For more information, see section in the Materials Manual 5.6.15
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• Individual Material Review
For example: Earthwork, Concrete, Asphalt, Reinforcing Steel and all other materials
Make sure sampling and testing frequency is met per specifications
Since, at times the data entry in LIMS is less than adequate (garbage in, garbage out), we need additional information
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Data for Base LOTS
Frequency: One QC test per 8 LOTSOne VT test per 16 LOTS (every 2 QC)
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Data for Structural Concrete LOTS
Frequency: One QC test per 50 cy or day’s productionOne VT test per 4 LOTS (same mix design)
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• Please submit the steel sample as soon as it is received at the project, do not wait until final acceptance
• The SMO Lab will store an unidentified sample for 2 weeks before it is discarded
• If your sample is discarded deliver one of the “hold” samples with the appropriate paperwork– Copy of LIMS C22, tag and mill analysis– Do not login a separate LIMS entry for the “hold”
sample . The LIMS ID for the original sample will be used for the “hold” sample
– LIMS life cycle must be completed
Steel Samples
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Wrap-upWe discussed: Why we certify The Sampling & Testing process The Project Certification process The EAR process The Project Administrator’s Statement What an Exception is The certification review, and Tools to use
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• Questions• Comments