Software by KT Innovations

KT Innovations developed the Tally application using the Revit API in order to link BIM elements with a custom-designed LCA database. The KT Innovations team wrote the software code, designed the graphic user interface, and contributed content to the database.

KT Innovations is an affiliate of KieranTimberlake, a Philadelphia architecture firm established in 1984. KieranTimberlake is committed to research initiatives that push the practice of architecture forward, including developing new fabrication techniques and building new tools for sustainable design.

LCA data by thinkstep

thinkstep (formerly PE International) provided all LCA information to the database, as well as information describing the types of environmental data, and the methodology employed to generate the LCA data for Tally.

thinkstep is a market leader in the field of enterprise sustainability, Life Cycle Assessment, and innovation. With more than 20 years of experience and 20 offices around the globe, thinkstep offers two software solutions—GaBi for product sustainability and SoFi for corporate and supply chain sustainability, with over 1500 companies and institutions worldwide accessing thinkstep’s consulting, software, and databases products.

thinkstep works extensively in the building and construction industry with raw material suppliers, manufacturers, architects, designers, contractors, owners and operators, allowing for development and delivery of transparent information via product and building Life Cycle Assessment, product declarations and supplier engagement programs.

Support by Autodesk

Autodesk provided direct training in Revit API programming, continual programming assistance, as well as Revit compatibility testing for Tally.

Autodesk is a global leader in 3D design, engineering, and entertainment software. The Autodesk Sustainability Solutions team manages cross-company efforts to offer products and services that make environmentally-sound decision-making easy, insightful, and cost-effective. It drives industry strategy, influences product roadmaps, and prototypes new solutions in conjunction with customers, research labs, and product development partners.

The Autodesk Developer Network (ADN) is a global community of partners who customize Autodesk products and create applications that target regional standards or workflows. ADN partners are supported with access to Autodesk software engineers’ expertise, active web forums, and robust software development kits.


Beta testers from leading industry firms and academic research organizations provided valuable feedback on the tool’s functionality and ease of use compared to alternative assessment methods.