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Mass Timber
Sunnyvale, CA
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Mass Timber

Leadership of design, planning, entitlements, permitting and construction of Sunnyvale’s first mass timber building, a five-story office.

  • Local Award Winner Shield

Location

Sunnyvale, CA

Client

Confidential

Architect

SERA Architects / Michael Green Architecture

Size

Confidential

Value

Confidential

Market Sector

Commercial

Delivery Method

Progressive Design-Build

Attributes

  • Award Winner
  • Mass Timber

Certifications

  • LEED Platinum Certification
  • Net-Zero Certification

Leadership of design, planning, entitlements, permitting and construction of Sunnyvale’s first mass timber building, a five-story office. The project will be LEED Platinum and all electric work has been completed with a 96% reduced carbon footprint.

Challenges and Solutions

Challenge
For this client’s and Sunnyvale’s first mass timber building, this team had to test several unique conditions before application.

Solution

XL built a two-story mock-up that was used to ensure success using new methods and materials and quickly became a showcase for how the XL team would bring this client’s first mass timber project to life. The mockup established quality standards and tested many options, including those for:

  • Erection of timber
  • Protection and finishing of timber
  • HBV connector installation
  • The hold between CLT deck and concrete
  • Moisture control
  • Aesthetic impacts of various building materials
  • Closed cavity facade windows

In addition, a utility placement and raised access floor mock-ups were used as visual representations to inform design decisions and installation sequencing of MEP equipment.
From what was learned in these mock-ups, XL authored a lesson learned document and used it to improve the design and inform our approach to construction of this and future mass timber buildings. Many lessons learned were added to our team’s Timber Erection Playbook.

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