b' INTERSTATE 205Overnight PavementPanel ReplacementDURINGCrews contracted by Washington State removed and replaced15 miles of concrete pavement on Interstate 205 using Rapid Set Cement, which met the state DOTs Parking Garage Structural Repair3000 psi strength requirement for reopening to traffic by 6 a.m. AFTERBEFORE The 600-cubic-yard project size Salty humid air blowing off the Atlantic Ocean just 50consumed 200 tons of Rapid Set feet away caused damage requiring full-depth andCement. Work was completed in two partial-depth concrete repair with rebar replacementmonths.in this parking structure at Puerto Ricos National University College. DURING ATIONAL Concrete contractor AT Specialty Cements &NUNIVERSITY Polymer Technologies used Rapid Set MortarCOLLEGEMix for full-depth repairs because it can be applied up to 6 inches in one coat. To combat the effects of mid-80s temperatures on the mix, one packet of SET Control retarder and three packets of FLOW Control water reducer was added for every 55 pounds of mortar. For partial-depth repairs, the crew replaced the top one-third of damaged concrete with self-curing Rapid Set V/O Repair Mix, which contains fiber and corrosion inhibitor. Surfaces were smoothed with Rapid Set WunderFixx. AFTERThe contractor increased profits and achieved significant savings for the project owner by shaving two months off the project schedule. ctscement.com 25'