Foundations Group | 420 West Broadway Case Study

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PROJECT CASE STUDY I 420 WEST BROADWAY



THE FOCUS OF THIS CASE STUDY WILL BE ON A REAL JOB SITE THAT INCORPORATES MANY OF THE ELEMENTS THAT EXIST WHEN BUILDING ON TOP OF AN INHABITED STRUCTURE. THE STUDY WILL EXAMINE THE SPECIFICS OF 420 WEST BROADWAY - A NEW PENTHOUSE ADDITION DESIGNED BY VICTORIA BLAU - TO CONVEY FOUNDATIONS GROUP’S CONSTRUCTION METHODS AT SUCH INVOLVED BUILDING SITES.



COMPANY Foundations Group is an established Building + Construction Management firm formed in 1993 by Cooper Union School of Architecture trained architects. Comprised primarily of architects and engineers, our team is keenly aware of the design needs of each project, and we run all projects in a very collaborative effort with developers, clients, and architects. Over the last two decades, Foundations Group has built over 1.5 million sqft of construction in New York City ranging from ground-up buildings to building additions, conversions, gut rehabilitations, high-end residential, commercial fit outs, and museum exhibits. As one of the premier non-union Construction Management firms in New York City dedicated to building very high-end projects, we pride ourselves on our track record. We work with world renowned architects and designers such as Enrique Norten, Tadao Ando, Morris Adjmi, Soo Chan Khian/SCDA, Michael Gabellini, Shigeru Ban, and BKSK among others. We were selected by Tim Lynch and the NYC Department of Buildings as one of the select construction managers to help the DOB with their study on how to keep buildings and sites safe - High Risk Construction Oversight (HRCO). Our work has been published in numerous publications including The New York Times, Interior Design, and Architectural Record.


BUILDING SITE


MAIN CHARACTERISTICS OF THE INHABITED STRUCTURE Shares roof with lower level tenants. Shares utility services with lower level tenants. Shares business hours with lower level tenants. Shares means of entry + egress with lower level tenants. Shares environmental conditions with lower level tenants.



PRE CONSTRUCTION


EXISTING BUILDING ENVELOPE

ROOF

6TH FLOOR

5TH FLOOR

4TH FLOOR

3RD FLOOR

2ND FLOOR

GROUND FLOOR

CELLAR *GRAPHIC NOT TO SCALE


LEVEL 3

LEVEL 2

RESIDENTIAL TRIPLEX

LEVEL 1

RESIDENTIAL LOFT

RESIDENTIAL LOFT

RESIDENTIAL LOFT

RESIDENTIAL LOFT

RESIDENTIAL LOFT

RESIDENTIAL LOFT

COMMERCIAL RETAIL

TENANT STORAGE



SAFETY PRECAUTIONS PROTECT THE PUBLIC DEPARTMENT OF BUILDING CODE 3307.1: Protection of pedestrians required. Pedestrians shall be protected during construction, alteration, remodeling, or demolition activities as required by this section and the rules of the Department of Transportation. Signs shall be provided to direct pedestrian traffic. DEPARTMENT OF BUILDING CODE 3309.9: Weatherproof integrity of adjoining buildings. Where the waterproof integrity of an adjoining wall or building has been impaired due to construction or demolition operations, the person causing the construction or demolition operations shall, at his or her own expense, provide all necessary measures to permanently waterproof the adjoining wall or building...

PROTECT THE PROPERTY DEPARTMENT OF BUILDING CODE 3307.1: Protection of pedestrians and adjoining property. During erection operations, the applicable provisions of Sections 3307, 3308, and 3309 shall apply.



ENVIRONMENTAL CONTROLS SUN / RAIN SNOW / HAIL / WIND COLD / HOT TEMPERATURES

SMOKE FUMES DEBRIS HEATING COOLING VIBRATION

FIRE DUST NOISE PESTS WATER LEAKS FALLING OBJECTS

[ CONTAINED SITE ]




EXISTING BUILDING CIRCULATION

ROOF ELEVATOR FIRE STAIRS

6TH FLOOR

5TH FLOOR

4TH FLOOR

3RD FLOOR

2ND FLOOR

GROUND FLOOR

CELLAR *GRAPHIC NOT TO SCALE *BUILDING CONNECTED AT FIRE STAIRS

COMMERCIAL RETAIL


ROOF ELEVATOR FIRE STAIRS

6TH FLOOR

5TH FLOOR

4TH FLOOR

3RD FLOOR

2ND FLOOR

COMMERCIAL RETAIL

GROUND FLOOR

CELLAR



CONSTRUCTION METHODS


HOISTING + RIGGING METHODS

ROOF

6TH FLOOR

5TH FLOOR

4TH FLOOR

3RD FLOOR

2ND FLOOR

GROUND FLOOR

CELLAR *GRAPHIC NOT TO SCALE


CHAIN HOIST ELEVATOR ELECTRIC CHAIN HOIST

CRANE

CHUTE FORKLIFT


ALTERNATE HOISTING + RIGGING METHODS

ROOF

6TH FLOOR

5TH FLOOR

4TH FLOOR

3RD FLOOR

2ND FLOOR

GROUND FLOOR

CELLAR *GRAPHIC NOT TO SCALE


TRUCK CRANE

TRUCK



HYDRAULIC SWING HOIST





UPPER ROOF DECK





GLASS INSTALLATION














PENETRATIONS IN EXISTING CONCRETE




DIRECTING WATER AWAY FROM PENETRATIONS






FOUNDATIONS GROUP / WWW.FOUNDATIONSGROUP.COM 520 W27TH ST., SUITE 302, NEW YORK, NY 10001 / TEL. 212 924 1724


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