25 Beacon Hill

BOSTON

Excavation beneath two Federal-style townhouses in a conservation area of Boston created a 14-bay parking basement while preserving the existing above-ground structures.

  • SCOPE OF WORK

    25 Beacon Hill

    • Consultancy on feasibility of slab solution.
    • Design of two-way post-tensioned transfer slab solution.
    • Modelling of size and location of openings.
    • Hand calculations to verify feasibility.
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  • GALLERY

    25 Beacon Hill

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BENEFITS

CCL delivered the following benefits:

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    Bespoke Strengthening

    Controlled movement of above-ground structure during construction to protect retained facades. Support of above-ground structure during and post construction.

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    Specialised Solution

    Overcame logistical issues of transportation and installation of steel in restricted location.

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    Design Flexibility

    Longer spans (32 ft) and fewer columns (reduced to two columns) to create 14 parking bays and facilitate vehicle movement.

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    Extra Space

    Increased headroom for added vehicle clearance.

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    Faster Construction

    Our specialised design saved 6 months due to no underpinning.

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    Cost Savings

    Less steel and reduced foundations resulted in significant savings.