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Oldcastle Precast’s New System Integrates Wood Structure With Precast Concrete

| October 25, 2013 | 0 Comments

image006New England – The new IBC code now allows for multiple level wood structures and it is important to recognize how easily precast concrete can integrate with and enhance wood systems. Using these two building material systems together have resolved most of the owners’ major concern regarding the fire separation between retail and residential units as well as separation between the parking area and residential units.

Ken Siconolfi, of AP Construction emphasizes that “having only one material which would supply a three hour fire rating was critical”.

“Oldcastle Precast Building Systems brings schedule, cost and maintenance advantage by integrating precast concrete with wood structures”, writes Nesil Normile, Business Development with Oldcastle Precast.

The typical transfer deck components normally consist of 12” thick hollowcore plank, precast columns, allowing ample space for parking, and precast beams under the plank. Precast wall panels can also be utilized for elevator and stair towers as shear walls.

The precast concrete transfer deck solution fulfills the immediate fire separation requirement between retail/parking and residential wood structure.  Three to four hour fire rating can be achieved, thus eliminating any need for fire spraying or other fire proofing applications.  Precast also provides flexible design options.  There is no need to line up upper wood structure load bearing walls with foundation walls.  The hollow core plank allows long clear spans below. This is a great solution for mixed-use projects, with open parking, stores and offices under the multifamily housing units.

Installation of precast concrete deck systems are normally performed by experienced Oldcastle PCI qualified crews, with no weather restrictions (all year around) affecting production or installation, and typically done in one continuous mobilization. The crane can be set inside the building footprint, if site restrictions require. There are tremendous dollar savings on winter protection, as minimal heating is required for grouting and concrete topping only.

Similar projects were built by Oldcastle, including Boulders I and II in Exeter, NH, and 163 Franklin Street, Stamford, CT.

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