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John Karras

John Karras is a professional civil engineer with the Washington, D.C. office of Simpson Gumpertz & Heger Inc. (SGH). John has more than 14 years combined experience in design and construction, with a focus on building enclosure consulting engineering on complex commercial and institutional building projects.

Articles

ARTICLES

Blind-Side Below-Grade Waterproofing

Lateral Water Migration, Confining Pressure and Bond Relationships

John Karras

Keith Nelson

Anthony J. Nicastro

November 11, 2016

Many blind-side below-grade waterproofing systems include resistance to lateral water migration between the membrane and concrete as part of the manufacturer’s design concept

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Transforming Historic Mass. Landmark into New Mixed-Use Hub

Perkins Eastman Celebrates Groundbreaking of Occoquan Elementary School

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November 20, 2024

Sustainable Roofing Made Simple

Credits: 1 AIA LU/HSW; 0.1 ICC CEU; 1 IIBEC CEH; 0.1 IACET CEU

During this presentation, you will learn how the roof assembly can help meet various sustainability goals. Case studies and specific examples will highlight ways to incorporate circularity, solar reflectivity, durability, energy efficiency and overburden roof assemblies into your design.

December 18, 2024

Emerging Trends in High-Performance Enclosure Optimization

This webinar will provide an introductory-level overview of how building design teams can optimize their enclosures for high-performance outcomes. The session will articulate the importance of setting clear, measurable performance objectives at pre-design.

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