A Passive House Mosaic for a NYC urban infill residential retrofit

C H O S H I E L D S S T U D I O

BROOKLYN, NY VIENNA

206 East 20th Street, Manhattan, NY

Our incredibly wonderful, patient & visionary clients

NEW ENLARGED BUILDING FRONT ELEVATION

NEW ENLARGED LONGITUDINAL BUILDING

SECTION

OUTLINE OF ORIGINAL BUILDING FLOORS AND BLDG ENVELOPE SHOWN IN RED

NEW REAR ADDITION ELEVATION

NEW ADDITION

SITE CONTEXT Insufficient Passive Solar

Site Plan Solar Path Diagram showing 1 hour of winter sun per day

(49m)

(61m)

(14m)

(49m)

(61m)

BUILDING MOSAIC Fire Code, Materials & Min. U-value

Poured in Place Concrete, Concrete Masonry Unit, Structural Steel, Light Gauge Metal & Timber Framing,

Rain Screen, and Solid Masonry

WALL ASSEMBLY TYPES

2. ADDITIONAL INTERIOR WYTHE OF CONCRETE MASONRY UNIT

1. NEW POURED IN PLACE CONCRETE COFFERED SLAB FOR NEW FOUNDATION FOOTING

4. NEW VERTICAL ADDITION - STEEL AND LIGHT GAUGE METAL FRAMING

3. NEW POURED IN PLACE CONCRETE CURB OVER EXISTING REINFORCED PARTY WALL

NEW TRANSVERSE BUILDING SECTION

ADDITIONAL INTERIOR WYTHE OF CONCRETE MASONRY UNIT

REBARS FOR NEW POURED IN PLACE CONCRETE COFFERED SLAB

THERMAL WALL ELEVATION NORTH FRONT FACADE

THERMAL WALL ELEVATION SOUTH REAR FACADE

EAST NEIGHBOR CONDITIONED SPACE

THERMAL WALL ELEVATION EAST PARTY WALL

EAST NEIGHBOR’S ROOF TOP

THERMAL BRIDGING Wall Type Transition & Exterior Insulation

NEW POURED IN PLACE CONCRETE CURB OVER EXISTING REINFORCED PARTY WALL

PARTY WALL EXTENSION

THERMAL BREAK TRANSITIONS

WEST NEIGHBOR’S ROOF TOP

FOAM GLASS STRUCTURAL THERMAL BREAK (TYPE 2)

HIGHER BEARING CAPACITY STRUCTURAL THERMAL BREAK (TYPE 1)

NEW STEEL TUBE

NEW STEEL TUBE

HIGHER BEARING CAPACITY THERMAL BREAK

(TYPE 1)

FOAM GLASS STRUCTURAL THERMAL BREAK

(TYPE 2)

FIBERGLASS THERMAL BREAK CLIPS WITH Z-GIRT

CONTINUOUS MINERAL WOOL INSULATION (10cm )

Comparison of our Enerphit NYC townhouse with NY State average yearly energy use per household per m2

Before & In Progress

BEFORE

BEFORE

BEFORE

BEFORE

BEFORE

Mosaic of Passive House

Thank you Vielen Dank

Passive House Community !

C H O S H I E L D S S T U D I O