Greg Hainsworth, P.E. M&R Workshop February 2014

Route 13 Puncheon Run South State Street

Bay Road Puncheon Run

 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

 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

 12 hour sure cure break – 2040 psi.

 Contractor Innovation ◦ Equipment ◦ Manpower  Producer Mix Design  Smoothness ◦ Roller screeds / Bull Floats – Surface Chatter  Temporary Traffic Control plans

 American Infrastructure  JJID  Atlantic Concrete  Dave Angstadt, South 1 Construction  Gerry Nagyiski, Traffic  David Dodd & M&R Concrete Staff