Museum of Science Parking Garage
The Museum of Science parking garage was built in two phases in the late 1960s and partially spans the Charles River. After thirty years of exposure to weather and vehicles, chlorides from deicing salts permeated the top surface of the concrete slabs. Working for the owner, SGH assessed the condition of the concrete garage and recommended a rehabilitation program to extend the useful life of the structure.
The five-level parking structure has an approximate gross area of 68,000 sq ft per level. The garage is a combination of precast, prestressed concrete elements and cast-in-place, post-tensioned concrete elements. Our services included the following:
- Determined the condition of the garage through a hands-on investigation
- Examined the condition of the concrete
- Evaluated the extent of chloride contamination from deicing salts typically brought into the garage by vehicles
- Identified and prioritized remedial work to repair deterioration, control leakage, and extend the useful life of the garage
- Estimated costs for the remedial work
Repair & Rehabilitation
Structures | Applied Science & Research
Infrastructure & Transportation
Museum of Science
Repair & Strengthening | Materials Science
Lower Falls Pedestrian Bridge No. P40
The structure is a former railroad bridge spanning the Charles River near Newton Lower Falls. The Department of Conservation and Recreation (DCR) proposed to convert the abandoned railroad bridge to pedestrian use. SGH evaluated the existing bridge structure and developed a rehabilitation plan.
Harvard University Science Complex, MWRA Sewer
SGH studied the potential effects of ground displacement that can distort and increase soil loads on buried structures, construction traffic live loads, surface vibrations, and impacts from falling objects.