Robert S. Whitaker

Option: Structural
Building: Parkview at Bloomfield Station
Location: Bloomfield, NJ

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Building Statistics

General Building Statistics:



Building System Information:

Architecture:
Parkview at Bloomfield Station is a unique 6 story residential condominium building located in Bloomfield Township, NJ. The building has a long sprawling footprint irregular in shape. The building also wraps around a pre cast parking garage that is only visible from the train station. The building is nestled between Second River, Washington St, and a train station for the Midtown Line. There are 197 condominium units and 330 parking spaces included in the design of this building. There is an exercise room located above the lobby area for residential use and numerous storage facilities located in the parking garage. A drop off circle, located just off the tree lined entry drive in the front of the building, allows for easy access for visitors and taxis services. There is also an outdoor gazebo and portico to provide outdoor areas for resident enjoyment.

Building Envelope:
The roof system consists of asphalt shingle roofing over metal deck and fire rated plywood. The light gage roof trusses have either a 12:12 slope or 8:12 slope for gable roofs, with portions in the middle acting as a flat roof. Standing seam copper roof is used in some areas. The main body of the roof consists of hip roof conditions accented with gable roof sections over balcony areas.

The exterior wall cladding is an Exterior Finish and Insulation System (EFIS) over light gage walls. Anderson vinyl windows and entry doors also make up parts of the wall system. The wall along the train line consists mainly of the open pre cast garage panels. The building is separated from the pre cast garage by an air gap and expansion joint.

The building foundation is a 2’-6” wide continuous footings with 3’-0” column spread footings. The pre-cast garage has an extensive pile foundation consisting of 29 pile groups; each consisting of (5) 50’ long “H” steel piles of 100 ton capacity each. There are 10” retaining walls on the site also, each with a footing of at least 2’-6” wide.

Structural:
The structural system for Parkview at Bloomfield Station is a Hambro® and bearing panelized light gage wall system. The typical exterior bearing wall consists of a 6” light gage wall, while the typical interior bearing wall consists of a 4” light gage wall. The typical floor system is a 16” deep joist Hambro composite floor system with 3” slabs (3000 psi conc.). The ground level floor is composed of a 4” slab on grade system. The Hambro system is supported on either wide flange beams or tube steel distribution plates located on the light gage bearing walls. The typical beam is W10x12, HSS 4x4x5/16”, or HSS 6x4x5/16”. Column sizes range from HSS 3x3x1/4” to HSS 7x3x3/8”.

All 6 floors have the same floor plans with the exception of 4 locations: an entry/ lobby unit, a 2 story drive aisle, a 1 story drive aisle, and at a 1st floor exit route. Is these areas transfer beams are utilized creating much larger beam sizes. A two story braced column system is utilized in the 2 story drive aisle, consisting of 18 columns placed along bearing lines. There is a similar system at the one story drive aisle consisting of 12 columns.

The foundation system of Parkview is composed of continuous footings, spread footings, and piles. The Garage is on 100 ton H piles, drilled to bedrock (ranging from 42-53 ft). The Garage consists of double T shapes attached to pre cast verticals.

The lateral force resisting frame consists of strapped light gage shear walls and a cross brace system over the drive aisles. Interior walls are panelized non-bearing light gage infill walls. The roof consists of light gage roof trusses at 48” oc, and includes girder trusses to accommodate end hip conditions.

Construction:
Site work includes existing building demolition, grading, importing fill and locating new utilities. It will also include installation of fountains, gazebo and a portico. The construction of the parking garage will be completed first, using a crane to lift the pre cast double T shapes into place. Upon completion of the parking garage the panelized light gage walls will be lifted into place and anchored into the Hambro floor system. The delivery method is a qualified design-bid-build for both the building and the parking garage. The total cost of completing the building is $65,616,081, but that does not include a CM bond.

Electrical:
Panels are sized at 125A 1P3W, and there are 2 building transformers. Secondary service includes feeders in GRC conduit from the utility company transformers to the (2) 3000 amp switchboards. Apartment services are fed from meter centers located on each floor at 2 locations, with 125 amp feeders to each apartment load center with 3C#1 armored interlock cables. The emergency generator is a 250 KW 120/208, diesel fired with an 800 amp ATS. The HVAC equipment in the units is based on (1) 20/3p fed to the HWH/HVAC unit an electric range and dryer, each with 50/2P feeds. Each unit is accessed with (1) ¾” conduit from the tele/com closet and (1) 1” pull wire conduit for CATV requirements. The electrical system includes the incoming duct banks for electrical/CATV/Tele utilities, all to be concrete encased with pull wires. Also included is the fit out of building and garage area with lighting, HVAC, FA, telephone and CATV.

Lighting:
There is exterior lighting located at the fountain, gazebo, and portico. In addition, site lighting includes pole fixtures, and the access point of the existing (2) 5” PVC utility line. Interior lighting consists of MC cabling and EMT within garage areas. Temporary lighting and power is included by means of battery backups.

Mechanical:
The HVAC includes sheet metal ducts covered in 1 ½” insulation, insulation board on the exterior walls, unit temperature controls, refrigerant piping, water heaters, condensate drain piping, grd’s testing and balancing, and rigging. Electric base board, air handling units, gas fired furnaces and air cooled condensing units compose the HVAC system. There is a refrigerant loop between air handling units and condensing units. Hot water from gas hot water heaters is sent to air handling units for use in heating air. The exhaust fan is Nutone LS80 ( no lights).

Fire Protection:
The fire protection system includes a fire pump, alarms, smoke detectors, wet sprinkler system, and a dry sprinkler system in the attic area. The garage will have a dry sprinkler system. The wet fire protection system is connected to a 6” combination water main, installed with a 1,500 GPM fire pump and jockey pump. There is a fire department connection on the west side of the building to the fire protection room. The dry systems in the attic and garage are on a connected system and branched from this room. The dry system will be installed with galvanized steel pipe. The floor mains and branches will be orange CPVC with sprinkler heads concealed in the plaster ceiling.

Plumbing:
The building includes sanitary system, natural gas, domestic water with booster pump, plumbing fixtures, gas hot water heaters, washing machine indirect waste and water heater indirect waste. The main utility room is located outside the 2nd floor trash room. The garage includes storm water and oily water drains, non freeze wall hydrants connect to condo building and domestic water. The sanitary system is composed of schedule 40 PVC pipe and drainage fittings. The natural gas system is based on a load of 70 CFH per hot water heater. It is supplied from a 10” line from the source and branches off into schedule 40 black steel pipes varying in size from 8” to 3” with 2” valve taps for single risers. Domestic water is brought in through a 6” pipe with water meter and backflow preventer. Once inside, it is split into (2) 4” mains for north and south halves. Main sizes vary from 4” down to 2” based on 14.5 WSFU per condo and velocity less than 8 FPS. A Triplex water booster pump is used to maintain the water pressure to upper floors. Plumbing fixtures are attached with type DWV copper piping. The hot water heater is a direct vent with 75 gallon storage and 100 GPH recovery.

Telecommunications:
Telephone and CATV outlets are provided for each living unit.

Acoustical Properties

Transportation:
There are (2) 6-stop 2,500lbs elevators and (1) 6-stops 3,500lbs elevator. There are also six stair wells that access to all 6 levels of the building, and access to all floors from the 6 story attached parking garage. The Midtown train line also has a train station located just off the property, enabling residents to take the train into New York or several other locations.

Special Systems:
There is a security system terminal at the main entrance, 14 additional locations have panel points, and there is (1) overhead electric security parking door at the garage.

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This Page was last updated on April 28, 2006 , By Robert Whitaker and is hosted by the AE Department ©2005