The Challenge

Site Work

The South Shore YMCA asked us to build a new facility that would include an athletic center, field house, community space, and parking area. The site for the new building — which was adjacent to the existing facility — had very poor soil conditions, including a high water table. This created unique challenges for our in-house civil engineer and project team. Preconstruction efforts included extensive review and planning so that we could identify the most cost-effective site work methods for the YMCA.

The Callahan solution

Led by our in house civil engineer we reviewed and performed a cost benefit analysis on many different ground improvement and deep foundation support options including precast piles, rammed aggregate piers, soil compaction through surcharge, wicking of surcharge locations and vibrocompaction. After comparing these various options it was determined that a combination of surcharging under landscape and parking areas and vibrocompaction under building area provided the most economical and beneficial long term solution.

  • 88,000 square-foot structural steel main building
  • 30,000 square-foot pre-engineered field house
  • 377 new parking spaces, a drop off circle, sidewalks, and accessible ramps
  • Green features including porous pavement, energy-efficient LED lighting, and a waste-recycling program.
  • Aquatics center with six-lane, 25-yard pool regulation pool, a family fun pool, steam rooms, and sauna
  • Multipurpose gymnasium, running track, and locker rooms
  • State of the art fitness center completely wired for internet
  • Multiple studios (yoga, spinning, aerobics, etc.), equipped with sound systems
  • Community space, meeting rooms, and classrooms
  • Child-care center and playground
  • Project duration: 22 months
  • Phased construction kept the YMCA open throughout the project and maximized member parking
  • Contract value: $28,293,481

“Callahan’s team exceeded expectations from beginning to end, and they continue to be an active part of the YMCA’s programs and services. We are grateful for our relationship, which goes well beyond construction.”

More Solutions