Wespac Construction achieves LEED Silver certification for Surprise Crossings

SURPRISE, Ariz. (March 18, 2025) — Wespac Construction, Inc. proudly announces that the Surprise Crossings project has achieved LEED Silver Certification under the LEED v4 Core & Shell rating system.

This milestone underscores Wespac’s commitment to sustainable construction and creating high-performance, environmentally responsible buildings.

Surprise Crossings, 13301 N. 137th Ave., was designed to enhance energy efficiency, promote sustainable building practices, and minimize environmental impact. It totals 274,040 SF and sits on 16.23 acres. Key sustainability highlights of this industrial project include: Sustainable Site Development: Sensitive land protection strategies and rainwater management that ensure 90 percent of rainwater is managed on-site, reducing runoff and supporting local ecosystems.

• Heat island reduction measures, including high-reflectance roofing and landscape elements that mitigate temperature increases.

Water Efficiency: 50 percent reduction in outdoor water use through drought-tolerant landscaping and high-efficiency irrigation systems.

• Indoor water use reduction of up to 50 percent, utilizing low-flow plumbing fixtures to conserve thousands of gallons of water annually.

Energy & Atmosphere: Optimized energy performance, incorporating advanced energy metering and demand response systems to monitor and reduce energy consumption.

• Renewable energy production and green power procurement, supporting a transition to sustainable energy sources.
• Enhanced refrigerant management to eliminate harmful chlorofluorocarbons (CFCs) and minimize ozone depletion.

Transportation & Accessibility: Bicycle facilities and access to quality transit options, encouraging alternative commuting methods and reducing carbon footprints.

• Electric vehicle (EV) infrastructure, supporting the shift toward cleaner transportation solutions.

Materials & Resources: Construction & demolition waste management, diverting waste from landfills through recycling and responsible disposal practices.

• Environmentally responsible materials, including products with Environmental Product Declarations (EPDs) and sustainable sourcing.

Indoor Environmental Quality: High-efficiency ventilation systems, incorporating MERV 13 filtration for improved indoor air quality.

• Low-emitting materials to reduce indoor pollutants and ensure occupant health and well-being.
• Ample natural daylighting and quality views, fostering a more comfortable and productive indoor environment.

The certification of Surprise Crossings was made possible through a collaborative effort between project partners Panattoni Development Company, Cawley Architects, JLL, and EXP. Wespac extends its appreciation to all those involved in bringing this high-performance green building to life.