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  Dobbs Ferry Pavilion of St. John's Riverside HospitalDobbs Ferry Pavilion of St. John's Riverside Hospital


Calgi Construction Management
56 Lafayette Avenue, #350, White Plains, NY 10603

General Description

Location: Dobbs Ferry, New York
Date Bid: Nov 2010
Construction Period: Aug 2011 to June 2012
Total Square Feet: 9,000 Site
Number of Buildings: Two; 25 patient rooms, 30 bed capacity.
Surgical Suite Expansion: 9,000 square feet.  Building Height:
Basic Construction Type: Renovation.
Foundation: n/a. Exterior Walls: Pre-cast panels and brick.
Roof: Single-ply membrane. Floors: Concrete. Interior Walls: Metal stud drywall.

Project Team

Architect: DeAngelis Architectural Services, LLC - 451 East Boston Post Road, Mamaroneck, NY 10543
Structural Engineer: Hillman & Miley - 222 Mamaroneck Avenue, White Plains, NY 10605
M/E/P Engineer: Di Bari Engineering P.C. - 99 Main Street, Dobbs Ferry, NY 10522

This existing hospital provides healthcare services to a small town in the lower Hudson Valley. As part of its ongoing commitment to the community, the Dobbs Ferry Pavilion of St. John's Riverside Hospital desired to update its entire facility to provide state-of-the-art diagnostic and treatment facilities. The Hospital retained DeAngelis Architectural Services to develop a five-phase master plan to achieve this goal within the existing building envelope. Calgi Construction Management was chosen as the Construction Manager at Risk/General Contractor. The Surgical Suite Expansion comprised the final phase of the master plan. Construction work was coordinated to allow continued operation of the hospital.

The principal design goal for the project was to provide a technologically advanced layout, which allows staff to function efficiently and improve patient comfort and speed healing. Flooring materials and patterns vary depending on the function of the space. Special flooring patterns mark entrances to operating rooms. The palette of colors was selected to maximize visual comfort throughout. Where allowed by code, finish materials were fabricated from environmentally sound materials to lessen the facility's impact on the environment and improve indoor air quality.

All existing building systems within the area of work were renovated to meet current code requirements. The heating, ventilation, and air-conditioning (HVAC) systems throughout the expansion were replaced in their entirety. This HVAC system provides state-of-the-art filtration, ventilation beyond minimum code requirements, and humidification in accordance with good engineering practice. The HVAC systems for the original portion of the surgical suite were supplemented to provide better controls and improved humidification. The HVAC renovation anticipates future renovations with the inclusion of a modular rooftop chiller system. If future renovations require additional cooling capacity, additional chiller segments could be installed with minimal disruption to the existing facility. Essential electrical systems throughout the expansion were connected to an existing emergency generator.

The renovation, completed in 2012, created three new full-service operating rooms, renovated facilities for two existing operating rooms, and provided a total of eight beds in the Pre-Op holding and PACU units. To provide space for the operating rooms, the existing radiology department had previously been relocated to the lower level and expanded to include a 1.5 Tesla MRI. To provide space for the new Pre-Op holding and PACU units, the laboratory was also consolidated and relocated to the lower level prior to the start of construction work. The support areas within the Pre-Op and PACU units included two nurse stations, clean utility, medication and soiled utility areas, and a patient toilet. Work also included construction of new doctor and staff toilets, locker and lounge facilities, and additional support spaces.

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