b' CALIFORNIA INSTITUEOF TECHNOLOGYFREMONT BRIDGEHistorical Restoration DURINGDuring: To meet the projects completion deadline, DF Perez Construction used Rapid Set products to renovate reinforced concrete buildings at California Institute of Technology (CalTech) built in 1931.Crews used multiple Rapid Set products, including Concrete Mix and Mortar Mix, to patch and level bathroom and cafeteria floors and roof surfaces, fill wall cracks, restoreRoad & Bridge Repaircement tiles, and rebuild balcony handrails and concrete balconies.Crews used Rapid Set MortarDURINGMix dosed with pigment andThe contractor used 300 tons special aggregate mixes to ensureof Rapid Set DOT Repair Mix replacement stairs matched the lookto repair 38 joints on one of the of the original stairs.worlds longest tied-arch bridges: Cast-in-place and precast concreteFremont Bridge in Oregon.architectural details such asReady for traffic and loading in 1 cornices, door surrounds, andhour, the fast-setting structural stairway and bench caps were maderepair material is also often used with Rapid Set products. for dowel bar retrofit and to repair parking ramps and decks.ctscement.com 29'