Greg Hainsworth, P.E.M&R WorkshopFebruary 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