greg hainsworth, p.e. m&r workshop february 2014
TRANSCRIPT
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Greg Hainsworth, P.E.M&R WorkshopFebruary 2014
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Route 13
Puncheon Run
South State Street
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Bay Road
Puncheon Run
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Original plan of execution◦ Maintain through traffic◦ Replace one lane at a time◦ 2 to 3 week duration
Contractor Proposal◦ Complete shut down of all N/B traffic◦ Replace both lanes simultaneously◦ 72 hour duration – supported by hourly schedule◦ Contingency resources on standby
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Atlantic Concrete◦ Air Temp – 70F / Mix Temp – 77F◦ Type 1S cement◦ Class A mix with 7.5 sacks per CY◦ Air content 3.8%◦ Slump 7-inches◦ Non Chloride Accelerator◦ Super Plasticizer◦ Water reducer
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12 hour sure cure break – 2040 psi.
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Contractor Innovation◦ Equipment◦ Manpower
Producer Mix Design Smoothness
◦ Roller screeds / Bull Floats – Surface Chatter Temporary Traffic Control plans
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American Infrastructure JJID Atlantic Concrete Dave Angstadt, South 1 Construction Gerry Nagyiski, Traffic David Dodd & M&R Concrete Staff