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Site Location

The old train station in Haymarket district in Lincoln, Nebraska is selected. The site is within close proximity to the University of Nebraska-Lincoln and the downtown business district. Proximity to UNL and downtown Lincoln makes it desireable for students, faculty, administrators, young professionals, and professionals to live.
Air Rights development

Proximity to public transportation & tax benefits: Air Rights development turns a non-tax paying infrastructure like roadways, parking structures, train tracks, and waterways into tax-generating properties. Additionaly, close proximity to aforementioned infrastructure has the added benefit of reduced reliance on personal transportation which alleviates pressure on existing infrastructure.
Air Rights development

Pedestrian vs. vehicular transportation: Most north American cities are designed where the city core is home to most businesses while suburbs are reserved for residential units, requiring people to rely on personal transportation to get to work which puts a lot of pressure on transportation infrastructure. Air rights development for residential units in the city core will allow people to walk to work.
Air Rights development

Prime location: The urban core is populated with a variety of services. These services are within reach of urban Air Rights residents and can encourage people to substitute their suburban living for urban living. Increased density in urban core can act as a catalyst and encourage more services and businesses to move closer to the urban core. Current examples of this include Target Express.
Air Rights development

Alignment of cores and cost of structure: The single most challenging attribute of Air Rights development is the design and cost of structure. Circulation cores in most cases need to be matched which in turn create challenges for structural and circulation systems. Existing structure in almost all cases need to be braced which add to cost of construction.
Residential market in Haymarket

Currently the haymarket is comprised of apartment units, hotels, and condos. Hotels make the most of the residential units and apartments and condos the least. Based on location of the site and proximity to UNL campus, we determined that more apartments are needed.
Program development

Based on market research, square footage for each part of program is determined.
Program massing

Massing showing the location for each program. Massing is derived from "Program development" diagram.
View of NE corner

View of SW corner

Program in plan

Plan denoting program type derived from "Program development" diagram.
Construction documents

Construction documents

Section 1 and details.
Massing model

Massing model in context.
Detailed sectional model

Sectional model shows tectonic details and highlighs program.
Outdoor bar

Outdoor bar is located on the roof of existing train station with the air rights development above.

Close-up of exterior skin on the sectional model.
Tectonic details

Detail of floor assembly.
Physical model

Exterior view of the physical model.

[Fall Semester 2013]

[Instructor: David Karle]

[In collaboration with: Andrew Younker]

A major problem facing the future city is the population increase. Architecture plays an important role in solving potential problems arising from population increase. The city of Lincoln, Nebraska is picked for this case study as it is a fair representative of the Midwestern city.

Lincoln is a fast growing city and the population is expected to double in 20 years (500,000). Increased population, world-wide and locally, creates a challenge for food production. Growing and sprawling cities take up prime agricultural land making it harder and more expensive to grow food. The city of Lincoln takes inspiration from Portland, Oregon to limit the size of the city to what it is now. The goal is to increase the density throughout Lincoln in order to preserve agricultural land for food production.

This project seeks to increase the density within the urban core through the use of Air Rights. The goal is to bring to surface a series of challenges associated with Air Rights development such as design, construction, and code compliance for safety.

Program requirements

Project requirements and phases

Phase 1

Phase 2

Phase 3