Jadot A Marchman-Moosman



STEPS Building

Lehigh University, Bethlehem, PA

Building Statistics

Building Statistics - Part I

(General Note: Illustrative photographs will be added after a site visit, which will tentatively take place the weekend of 09/30/2011.)

General Building Data
Building Name:   Science, Technology, Environment, Policy, Society (STEPS) Building

Lehigh University Asa Park Campus, Bethlehem, PA

Occupant:   Lehigh University
Size:   ~ 135,000 SF
Stories Above Grade:   "A" Wing - 1 flr; "B" & "C" Wings - 5 flrs
Completed:   August 2010
Cost:   ~ $62M
Primary Project Team

Lehigh University, Bethlehem, PA
website: www.lehigh.edu


Bohlin Cywinski Jackson, Philladelphia, PA
website: www.bcj.com

Structural:   CVM Structures, Oaks, PA
website: www.cvmnext.com
Civil:   Barry Isett & Associates, Trexlertown, PA
website: www.barryisett.com
MEP and Fire Protection:   Flack & Kurtz, New York, NY
website: www.wspgroup.com/en/Welcome-to-WSP-Flack--Kurtz
Landscape Architecture:   Lager Raabe Skafte, Philladephia, PA
website: www.lrsla.com
Laboratory Systems Consultant:   Health, Education + Research Assoc, Inc, Philladephia, PA
website: www.herainc.com

The Science, Technology, Environment, Policy, Society (STEPS) Building was completed in 2010 as the primary home for the STEPS program at Lehigh University. The STEPS program aims to bring social sciences, engineering, and hard science activities into spatial proximity to encourage academic collaboration. As a result, the plan contains a mixture of classroom spaces, inter-disciplinary research and teaching laboratories, and faculty offices arranged to integrate the various functions and disciplines.


Model Codes
Lehigh University is located within the jurisdiction the City of Bethlehem, which enforces standards as laid out in Pennsylvania Uniform Construction Code (PUCC). The PUCC is modeled on the work of the International Code Council (ICC) and is reviewed and updated triennially. As of the completion of design in 2008, the PUCC 2006 revision was in effect, with key model code components including the 2006 International Building Code (IBC 2006), 2006 National Fire Protection Agency Code (NFPA 101-2006), 2006 International Energy Conservation Code (IECC 2006), and associated standards applicable to the several trades.

The STEPS Building is located within the City of Bethlehem's Institutional Overlay (I-O) District
Historical Requirements
The building is not located in an historical district, and was not required to meet historical requirements.
Building Enclosure

Building Facades - "A" Wing
The "A" wing of the building is a long, low-rise structure with extensive wood finishes and high-efficiency glazing. The southern side is predominately glazing with a deep wood overhang resting on protruding structural steel for solar shading. The northern side contains minimal glazing for natural lighting, but is mostly in-place masonry over spray-foam insulation to maximize heating efficiency against the northern wind.

Building Facades - "B" & "C" Wings
While the design details relect attention to thermal efficiency, the facades of the "B" and "C" wings are essentially a traditional brick face with punch-out-style horizontal curtain windows along the longer sides of the buildings. The narrower ends of the buildings contain extensively glazed atriums containing stairs and seating areas. Structural members, jambs, and other areas between glazing are clad in silver Alucobond.
Roofing - "A" Wing
The low-rise "A" wing features an extensive green roof with a 12" soil bed resting atop a purpose-designed impermeable membrane. The underlying slab slopes to allow drainage along one edge.
Roofing - "B" & "C" Wings
The 5-floor "B" & "C" wings employ a layered roofing system with added insulation for heating/cooling efficiency. A 7” non-structural slab of lightweight insulating concrete is sandwiched between two layers of rigid insulation and topped with an Energy Star rated reflective roofing membrane to minimize rooftop solar gain. The entire assembly rests upon a traditional slab/deck system for support.
Sustainability Features

The STEPS Building recently received LEED Gold certification from the US Green Building Council (USGBC). The following are several examples of ustainable features incorporated from the onset of the project to physically embody the STEPS program's forward-looking mission of “collaboration, innovation and scholarship in the areas of science, technology, environment, policy and society.”


Green Space
Prior to construction, the site was an open field frequently used by students for recreational purposes. The building is situated in an “L” shape along the site's edge to preserve as much of the existing green space as possible. Exterior spaces near the building are landscaped to increase permeable area and provide shade trees to reduce the heat-sink effect on hardscape.

Green Roof
The low-rise “A” wing of the building was constructed with a 12” green roof to mitigate site rainwater runoff, improve thermal performance, and reduce heat absorption.
Building Envelope
Passive-solar sunshades and high-performance fritted glazing are employed to minimize cooling loads in the summer months and maximize solar gains in the heating moths. The facade and roof are well-insulated to improve heating and cooling efficiency. Additionally, an Energy Star-rated reflective roof membrane was selected to reflect unwanted solar energy.
Mechanical Equipment
Customized air handling units equipped with heat-recovery systems were specified to minimize excess capacity and maximize efficiency. Centralized control of the HVAC and lighting systems allows for automatic, building-wide reduction in energy waste during off-peak periods.
Masonry, concrete, steel, and ceramic products used meet or exceed minimum requirements for recycled content established by the USGBC. Forest Stewardship Council certified wood, a renewable resource, was used extensively for interior finishing. Zero-VOC (volatile organic compound) materials were used to minimize the impact of off-gassing on occupant health. Throughout the construction process, care was taken to reduce the amount of waste materials produced, and to reuse or recycle any construction waste generated.


Building Statistics - Part II




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This page was last updated on 12 September 2011 by Jadot A Marchman-Moosman and is hosted by the AE Department ©2011