Interweaving Dwelling and the Urban Experience

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INTERWEAVING DWELLING AND THE URBAN EXPERIENCE M i x e d - U s e Re s i d e n t i a l B u i l d i n g a t 12 0 - 4 0 S 24 t h S t r e e t Phi l a d e l p hi a , PA REID YOUNG & CHRISTINE DITARANTI - DESIGN STUDIO 8 - SPRING 2019


about the project Located in the Rittenhouse District of Philadelphia, this project is a mixed-use residential building focused on interweaving the complexity of city life with the intimacy of dwelling. This building overlooks the Schuylkill River on one side and the business district of center city on the other. It exists in a convenient location for residents and the public to access the building as well as offering holisitc views of the city of Philadelphia. Overall, the project intends to explore the relationship between various thresholds of public and privatet space and hopes to promote a diversity of living and a unique social experience that fits seamlessly with the surrounding urban fabric.


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site

location maps context photos zoning info street types transit & access demographics points of interest

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concept

case study thesis formal process program description program breakdown study models initial sketches

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proposal

exterior views program interior views experiences site plan & plans sections & elevations model photos

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systems

enclosures terra cotta atriums & curtain wall model photos occupancy hvac & structure egress & plumbing



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site

location maps | context photos | zoning info | street types | transit + access | demographics | points of interest


WALNUT ST RE

ET

N

SANSOM

STREET

23RD STRE ET

T

CHESTNUT S TREET

24TH STRE E

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site location maps


site context photos

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view of adjacent apartment building from site

view of FMC tower from site

view of 24th street looking north at chestnut bridge

view of 24th street looking south at walnut bridge

view of sansom street from site

view of adjacent office building and rowhomes

view of adjacent office building from site

view of 24th street rowhomes looking south


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site zoning information

120-40 S 24th street is located in the CMX-4 zoning district. This is under the naming classification Community and Center City Commercial Mixed-Use Districts, and is intended to accommodate community and region-serving mixed use development, including retail and service uses.

CMX-4 ICMX CMX-3


site zoning information

site boundary

100% maximum lot coverage for buildings up to 65 feet

75% maximum lot coverage for buildings taller than 65 feet up to 300 feet

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90% maximum lot coverage for buildings less than or equal to five stories and at least one dwelling unit

LOT DIMENSIONS: 149’ x 230’

APPLICABLE CODES AND STANDARDS: 2018 International Building Code

SITE AREA: 34,651 sq. ft.

2013 Philadelphia Fire Code

MAX FLOOR AREA RATIO: 500% up to 700% with bonuses

USE AND OCCUPANCY CLASSIFICATION: 310.4 Residential Group R-2

FAR 500%: 173,257 sq. ft.

CONSTRUCTION CLASSIFICATION: BC 602 Construction Classification

FAR 700%: 242,560 sq. ft.

Building is Type 1B construction, non-combustible


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site street types urban arterial city neighborhood high volume walkable commercial


site transit + access 17-31-32 33-38-44 48-62-78 124-125 31-44-78 124-125

17-31-32 33-38-44 48-62-78 124-125

9-21-42

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closest bus stop: stair access 2 min from site

7 7

17

9-12-21-42

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SEPTA bus lines trolley Market-Frankford line

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site demographics

male female

walk drive other bus bike


site points of interest

culture religion commercial residential food

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concept

case study | thesis | formal process | program description | program breakdown| study models | initial sketches


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concept case study

SUGAR HILL HOUSING - DAVID ADJAYE Located in the Sugar Hill District of Harlem, NY, we chose this case study as a precedent for our design because of its incorporation of public space in a residential building. This is a typology we were interested in because of its play between private and public, and the many thresholds and interactions these unique spaces can have with each other. The building’s program design was considered as an “urban system”, or not secluded to one typology. Therefore, it is a mixed-use building centered around connecting residents and the community through program elements such as a Children’s Museum of Art and Storyteling, multiple courtyards and plazas, a preschool, offices for the Broadway Housing Community, and 124 studio-3 bedroom affordable apartment units for the qualified lower class or homeless that responds to fundamental need.

archdaily.com


concept case study

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SUGAR HILL HOUSING - DAVID ADJAYE

Along with the intricate program, we were also interested in this project’s impact on the neighborhood and residents of the building. Many residents and neighborhoods reported that they feel safer and more secure with the building there since it is so open and inviting to the public. Overall, it made a positive impact to the neighborhood which we hope to accomplish with our building proposal. In order to avoid the “monolithic appearance”, the building’s form features two off-setted volumes. This also most likely responds to New York’s street setback in the zoning codes. In relation to the street, a large pubic plaza directly targets the community-resident relationship that the building concept defined, and flows easily into a glazed first floor that has separate entrances for the apartment lobby, museum, and preschool. Again, this openness on the street level to draw the public in is something we strived for throughout our schematic design process.

archdaily.com


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concept thesis

We are interested in how we can reflect the stimulation of city living inside a residential building. The urban experience is typically busy and has many points of interaction that we believe should not end once you go home. We are scaling down and curating these experiences into an interactive dwelling intended to bring residents together in a connected community. This will inspire a diversity of living and changes the typical typology of going directly to your residence every time you enter the building. Interwoven public spaces throughout the building creates a unique social landscape and will ultimately be beneficial to the community inside as well as the surrounding neighborhood.


concept formal process

base volume an extruded form in the site is pulled in a diagonal direction to create pockets on either side

staggering volumes the designated program volumes stagger to maximize light capacity and views to the river and the city

program division

lift + cantilever

the program is divided between public spaces and private spaces (residential units), which become the two anchors of the structure

the apartments are lifted and cantilevered to create space for mechanical rooms underneath and solidifying their presence on either side

apartment breakdown there are 42 total units in the apartment blocks: 11 studios, 11 2-bedroom, and 20 1-bedroom

atriums 3 large atriums become the focal point of the interior space where the main circulation wraps and connects to the public nodes and apartments

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concept program description

RESIDENCES: Forty apartments, ranging from 750 sq. ft. studios to 1250 sq. ft. two bedroom units. MAIN LOBBY: This space is the buffer between the exterior and the private sky atriums. Hosts lounge space and reception. CAFE: Semi-public space, along with a tiered cafĂŠ with lounge seating on the bottom and a sit down restaurant/bar atop it. DAY CARE: Goes hand in hand with the co-working space, the Day Care is a space to leave children while adults are working, or running errands, or grabbing brunch with friends. CO-WORKING SPACE: This houses rentable / open office space primarily for residents, but can still be used by public. LOUNGE: Free lounging space for residents, can also be rented; with multiple scaled public and private rooms for many purposes. FITNESS CENTER: houses athletic equipment, holds group classes. Primarily for residents, but can be used by public patrons. LIBRARY: Houses an extensive collection of books, primarily for residents, but can be used by public patrons. GREENHOUSE: Residents can rent garden space, and can grow what they please on plots. Group classes can help promote best practices and knowledge of the subject matter. ROOF GARDEN: Roof space for residents only, group lounging space, outdoors, with great views of the city and of the river.


concept program breakdown

- fitness center - day care greenhouse

residences mechanical -

lounge

cafe

- residences - mechanical

- library - co working space - admin mezzanine - main lobby

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concept study models


concept initial sketches

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proposal

exterior views | program | interior views | experiences | site plan | plans | sections | elevations | model photos


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proposal exterior views

view from walnut street bridge looking at west side of building


proposal exterior views

view from 24th street looking south at entry

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proposal program vignettes

6 5

4

3 2

1

1

cafe

2

day care


proposal program vignettes

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co-working space

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lounge

5 fitness center

6 library

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proposal interior views

view from main lobby looking at cafe


proposal interior views

view from 4th floor ramp looking at lounge

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proposal experiential moments

residence

entry sequence Space flows seamlessly upwards from the sidewalk to the front pocket park, where stairs create more private entrance space. This leads to the front door, into the lobby, with views looking forward at the cafe and the admin mezzanine above.

day care | loud

transition

public space

thresholds

public space interactions

Defines the in-between space. On one side, a private bedroom inside an apartment. This is buffered from the public space on the right by the apartment hallway and the atrium circulation, creating a gap between resting spaces using spaces of movement.

co-working | quiet

fitness center | loud

Represents visual cues between spaces. Circulatory spaces have specific views to public spaces, to lead users upwards through the building. More private spaces, like the day care, are more closed off to these views, but are not entirely seculded from them.

library | quiet

public space sequence Shows a sequence of space, a series of juxtapositions between loud and quiet, exciting and relaxed spaces, creating an environment on fluctuating comfort, which pushes you to spaces you are supposed to be, and moves you through spaces you aren’t. The dichotomies of space create a unique social experience.


proposal site plan

Schuylkill River

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Adjacent Apartment Building

River Trail

Parking Garage Entrance

Freight Train Lines

Street

24 th Str eet

Sansom

Adjacent Office Building

Walnut Street

N

Main Entrance


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proposal plans

second floor plan studio (750 sq. ft.)

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fourth floor plan 1 bed (1,000 sq. ft.)

2 bed (1,250 sq. ft.)


proposal plans

sixth floor plan

seventh floor plan

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proposal sections

section a-a

section b-b


proposal elevations

terra cotta battons GFRC panels (6’x8’) extended z-clip framing fixed operable windows transparent curtain wall fritted glass curtain wall extruded profile mullion brushed metal panels (6’x8’)

east elevation

west elevation

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proposal model photos


proposal model photos

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proposal model photos


proposal model photos

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systems

enclosures | terra cotta | atriums | curtain wall | model photos | occupancy | hvac & structure | egress | plumbing


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systems enclosures

The terra cotta exterior wall assembly includes a GFRC wall with operable windows and a terra cotta screening system attached with extended Z-clips to provide shading. We chose this system to enclose the apartment units because of its shading qualities as well as using it as a device to warm up the exterior material pallette and relate back to the warmth of the brick of the nearby rowhomes.

exterior terra cotta system

The interior atriums are enclosed with typical storefront glazing on the interior. Catwalks and ramps sometimes attach to the exterior as people circulate throughout the building. Both systems tie back into the steel structure, and the final atrium is capped off with an ETFE pillow roof. We chose the interior storefront and ETFE roof for these spaces to provide the most amount of daylighting possible as well as giving visual access to these public spaces.

interior atrium system

The curtain wall exterior system encloses the public nodes on either side of the building and ties back to the steel structure inside. On the base of the building, the glass is complete transparent. As it moves up higher, the glass becomes fritted to give a translucent effect to the spaces inside. Profiled mullions accentuate large “windows� or areas of complete transparency for these public space

exterior curtain wall system


systems terra cotta

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metal cap coping EPDM roof membrane

terra cotta batton

sloped rigid insulation

finished floor

fire stop

concrete slab

concrete slab

GFRC panel

rigid insulation

7/8” hat channel

drop ceiling

4” batt insulation

12”x18” concrete column

moisture barrier

6’x8’ metal panels

5/8” gypsum board 7/8” hat channel operable window

batting gypsum wall board

at roof connection

at typical apartment level

at metal panel transition


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systems atriums sloped concrete ceiling steel beam beyond end storefront condition

sheathing batt insulation flashing ETFE system connection ETFE pillow

steel framing

glass storefront system

glass storefont system

steel column concrete ramp mounted glass railing wide-flange support structure extended steel arm

at interior storefront

at ETFE roof connection


systems curtain wall

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raised flooring mounted glass railing

fritted glass curtain wall

coping metal cap

steel column beyond

concrete deck

floor finish

spandrel glass

fire stop

3� mineral wool

mullion connection

vision glass

steel angle steel column

batt insulation gypsum wall board profiled mullion connection

bolt connection vision glass

at roof connection

at typical public space

ground mullion connection

at ground connection


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systems study model photos


systems final model photos

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systems occupancy

occupancy breakdown

occupancy - fourth floor plan

residential

business area (co-working)

mall building

business area (administrative)

library

AREA 8673 sq. ft. 981 sq. ft. 1988 sq. ft. 2716 sq. ft.

OCCUPANCY TYPE Residential (200 gross) Exercise Rooms (50 gross) Business Area (100 gross) Mall Building

OCCUPANCY LOAD 44 20 20 13


systems hvac & structure

hvac systems return

structural systems supply

steel

concrete

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systems egress & fire rating

egress & main circulation

egress & fire ratings - fourth floor plan 2 hour rated partition 1 hour rated partition 1/2 hour rated partition


systems plumbing

plumbing systems

plumbing - fourth floor plan

hot

cold

fire suppression

waste

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INTERWEAVING DWELLING AND THE URBAN EXPERIENCE REID YOUNG & CHRISTINE DITARANTI - DESIGN STUDIO 8 - SPRING 2019


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