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  Mount Kisco Public LibraryMount Kisco Public Library

Construction Manager

Calgi Construction Management
116 Radio Circle, Ste. 305, Mount Kisco, NY 10549


Lothrop Associates LLP Architects
200 Summit Lake Drive, Valhalla, NY 10595


General Description

Location: Mount Kisco, New York
Date Bid: Nov 2007 Construction Period: Feb 2008 to Aug 2009
Total Square Feet: 18,690 Site: 1.15 acres.
Number of Buildings: One.
Building Size: First floor, 9,345; second floor, 9,345;
total, 18,690 square feet.
Building Height: First floor, 11’; second floor, 11’; floor to floor, 15’; total, 42’.
Basic Construction Type: New/Structural Steel.
Foundation: Cast-in-place, pier & grade beam, pile caps. Exterior Walls: CMU, brick, curtainwall. Roof: Metal. Floors: Concrete, fill-on metal deck. Interior Walls: Metal stud drywall.

Construction Team

Structural Engineer: Joseph D. Goldreich P. E., F. ASCE Engineer of Record - 19 Brandon Drive, Mt. Kisco, NY 10549
General Contractor: Rok-Built Construction, Inc. - 1725 Front Street, Yorktown Heights, NY 10598
Mechanical & Electrical Engineer: Damiano Barile Engineers, P. C. - 77 Tarrytown Road, White Plains, NY 10607
Site Engineer & Landscape Architect: Insite Engineering, Surveying & Landscape Architecture, P. C. - 3 Garrett Place, Carmel, NY 10512

The recently completed Village of Mount Kisco Public Library is an 18,500-square-foot facility constructed to compliment the existing Municipal buildings, Village Hall and the former Post Office that are on the National Register of Historic Buildings. The new Library occupies the site of the former smaller Library that was demolished as part of the project. This new facility nearly doubles the size of the former 44-year-old outdated and outgrown Library and serves the needs of the 10,000 residents of this centrally located Westchester County community.

Completed in August of 2009, the Library held its grand opening on September 12, 2009. The new 2-story facility, designed by Lothrop Associates, LLP, Architects, is divided into two wings with a glass atrium entrance lobby between the two wings. The North wing includes the Reference Area and the South wing is the Children's Library. The Children's Library has a scaled facade of a historically significant building in the town. The new facility also includes expanded collection rooms, a 1,300 square foot community room, a semi-circular children's reading room, young adult area and services as well as study rooms, staff lounges and administrative offices.

Additionally, the new library has many sustainable features including a Geothermal heating and cooling system consisting of thirty, 8-inch wells drilled to a depth of approximately 480 feet below grade, heavily insulated exterior walls and roof and water efficient plumbing fixtures. Energy efficient light fixtures effectively utilize natural daylight through the use of large windows that permit large amounts of daylight into the library. The upper transoms of these windows are equipped with special glass that projects the natural light deeper into the library. When the natural light enters the library, daylight sensors lower the electric light levels to conserve energy.

Because of sub-surface ground conditions, the library's foundation system consisted of grade beams and pile caps supported on two hundred and ten, 10-inch diameter, 30-ton bearing piles driven to an average depth of approximately 55 feet below grade.

The site posed numerous challenges due to its location in a heavily regulated regional watershed and its close proximity to state and local regulated wetland areas and floodplain boundaries. Insite Engineering, Surveying & Landscape Architecture, P.C., the project's site engineers and landscape architects, had to work very closely with the New York City Department of Environmental Protection and New York State Department of Environmental Conservation to develop a plan which minimized disturbances to the wetlands and provided an environmentally sensitive plan for the site. The building's stormwater runoff was directed to a series of stormwater management areas designed to filter pollutants through the use of infiltration and rain gardens heavily vegetated with native vegetation. Grass swales and vegetated filter strips were utilized to filter site runoff prior to discharge to the adjacent wetland areas. As the 30 Geothermal wells were to be installed in an area adjacent to the wetlands area, additional permitting had to be obtained through the NYSDEC.

Calgi Construction Management was hired by the Village of Mount Kisco to serve as the project's Construction Manager. Calgi Construction Management provided the pre-construction / bidding phase and the construction phase services. As New York State mandates Multiple Prime Contractors on all public work projects, Calgi, during the construction phase, managed, coordinated and scheduled the work of the 5 Multiple Prime Contractors involved. As a result, a much needed, more efficient library has been delivered that the Village is extremely proud of.

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