PENNSYLVANIA

Specialized Services

  • Architectural detail of a historic building facade with intricate stone carvings and a brick wall.

    Façade Ordinance Inspections

    PM-315 requires owners of buildings taller than six stories or any appurtenance in excess of 60 feet, to file a Façade Inspection Report.

  • Penn Museum parking garage and building with Penn signage, featuring parked bicycles and cars.

    Parking

    O&S specializes in Restoration, New Design, or parking study services. O&S can also provide parking condition assessments and maintenance planning services

  • Tall historic building with detailed stone facade and large windows in a vertical view

    Exterior Envelope

    O&S Specializes in the restoration of the exterior envelope from historic to contemporary buildings.

  • Man in office working on two laptops with spreadsheets, sitting at desk with calculator, glasses, and plant.

    Studies

    O&S can provide Reserve and Transition studies. Compliance with Mandatory Structural Integrity and Reserve Funding Legislation S2760/A4384

  • S2760/A4384 Legislation

    S2760/A4384 Legislation Structural Integrity Report

    The legislation mandates critical structural integrity assessments for buildings, enhancing safety and compliance.
    Stay informed on its requirements, implications and exemptions.

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  • Reserve Study

    Unveiling the Nuances of a Reserve Study and Transition Study

    Discover the key differences between a Reserve Study and a Transition Study, and how each plays a vital role for the overall well-being of a community.

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  • SPRAT Rope Access

    Rope Access Facade Inspection for Uniquely Located High Rise Condominium

    O&S conducted a detailed rope access façade inspection for a 22-story high-rise condominium on the Ventnor City boardwalk, assessing the impact of harsh coastal conditions on the building's exterior.

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  • Iconic Historic Building

    O&S Provides A/E Services for One of Philadelphia's Most Iconic Historic Buildings

    As a leader in Historic Preservation Design, O&S was selected to provide A/E services for the rehabilitation and restoration of the Landmark Reading Terminal Head House Building at Market Street and N. 12th Street in Philadelphia.

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  • Award Recognition

    O&S Receives Preservation Alliance for Greater Philadelphia Award

    O&S Associates is proud to announce that the Preservation Alliance for Greater Philadelphia selected our project at the Belgravia Condominium to receive a 2016 Preservation Achievement Grand Jury Award.

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NEWS

Historic building with intricate architecture, a flagpole with an American flag, and a statue on the rooftop against a blue sky with clouds.

Projects

Interested?

1777 Sentry Parkway West, Bldg 12, #101
Blue Bell, PA 19422

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Robert Mahan, PE
Senior Associate/ Director

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Line drawing of an airplane
Stick figure drawing of a person playing the piano

All Services

MEP