2014 NCR Construction Conference Materials Presentation John Brophy 715-493-3085 Jeff Michalski...
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Transcript of 2014 NCR Construction Conference Materials Presentation John Brophy 715-493-3085 Jeff Michalski...
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2014 NCR Construction Conference Materials Presentation
John Brophy 715-493-3085Jeff Michalski 715-459-4791
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(Materials) Finals Review• Finals process, 6 months start
to substantially complete.• After conditional final
acceptance the project staff has 60 calendar days to compile materials records for review.
• Materials section has 30 calendar days to review.
• Project engineer and materials section have 15 days to resolve any materials issues and to sign DT1310 form.
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(Materials) Finals Review
• 30 / 60 / final materials review.
• Materials Reporting System – 905’s
• QMP summaries – 155’s Pantry Software
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(Materials) Finals Review• Regional Certification of Materials (DT1310). • 1) PL forwards final materials records to Jeff Michalski / John • Brophy for initial review. Included is the DT1310 signed• and dated by the PL. _____________________• • 2) Upon completion of initial review the PL will correct exceptions• (if needed), sign the revised DT1310 and resubmit final materials• records to Jeff Michalski / John Brophy for final review.
_____________________• • 3) Upon concurrence of the disposition -- Jeff Michalski / • John Brophy signs the DT1310. _____________________• • 4) PM gives final approval by signing DT1310. _____________________• (This date tracked on Finals Tracking Report.)•
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IA Reviews
• Independent Assurance (IA) is unbiased testing and review of DOT, consultant, and contractor personnel who sample and test on our DOT projects.
• IA goals is review 90% of the samplers and testers on our projects.
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IA Reviews
• If a QV technician samples or tests on your project we would conduct an IA review.
• We will check with PE and MTS through out the project to meet compliance.
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IA Reviews
• Problem areas (past)• QV testing on small
bridge projects.• Last minute QV base
course samples.
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IA Reviews
• QC testers (contractors)• Coordination between
offices.• Help from project staff.
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Alkali-Silica Reactivity
• Marathon County• Quarries containing –
rhyolite, diorite, gniess, and quartzite.
• Hanz, 3M, and Weisenberger Quarries.
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Alkali-Silica Reactivity
• A process in which silica in the presence of moisture, is broken down by alkalis produces an expansive gel.
• The expanding gel creates internal forces that causes the concrete to crack.
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Alkali-Silica Reactivity
• Concrete coarse aggregate needs to meet ASTM C1260 (every 3 years).
• Special Provision for 2014 –
• Spec Book in 2015.
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Alkali-Silica Reactivity
• If fails…• 1. Use 35% slag grade
120.• 2. Class “F” fly ash• 3. Mix specific test
ASTM C1567 (every 3 years).
• Cement / fly ash • Blend (percentages) and
sources.
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Alkali-Silica Reactivity
• Weisenberger Quarry has two approved C1567 mixes (County Materials – Marathon City and Rothschild plants).
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QMP Base Compaction
• Criteria: Projects with• 30,000 tons or more of
1.25” BAD with sub grade improvement.
• 40,000 SY of Mill / Pulverize and Relay.
• Cost: $0.40 / ton (average).
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QMP Base Compaction
• NCR projects:• 1430-00-74/76/84 STH
23, Green Lake County• 1430-08-86, 1431-02-72
& 1431-02-74.• 1174-10-72 / 73
USH 51, Oneida County
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QMP Base Compaction
• 1500 ton / lots.• Minimum of 93% of the
material target density.• Material includes: • Virgin base course• Reclaimed Asph. Pav’t• Crushed Concrete
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QMP Base Compaction
• QV testing:• Proctor testing –
provided by Regional labs. Project staff needs to take sample.
• Density testing – responsibility of the project staff.
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New Beam Guard Acceptance
• Annually beam guard manufacturer will be put on the pre-approved list.
• “Buy America” certifications will be supplied to project by the beam guard vendor.
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New Beam Guard Acceptance
• Certification of Compliance for each shipment.
• Field verification for projects over 500 LF, optional under 500 LF.
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2013 Beam Guard 155 QV Summary Data Sheet Project Quantity of Beam Guard: (in LF) Manufacturer Name: Certification of Compliance Received? Yes / No QV Test Information Heat Number: Panel Length (in FT): Product Identification Number or Panel Type: Markings Stamped on Beam: Invoice/Order/Lading #: Tested By: Date Tested: Average Reading: Remarks:
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Dropping off samples
• Security codes, Available on request.• Central Office samples – Stores Truck (2 week
cycle).• QMP samples – 2 day turnaround.
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HMA Sampling
• Dean Gritzmacher – Rhinelander office 715-493-6184.
• Pat Shuda – Wisconsin Rapids office 715-421-8060.
• Project level picking up samples (HTCP certification).
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Questions ???