Contra Costa County Administration Building B & 广场 achieved bc菠菜论坛 黄金 certification for Construction, the first government building to achieve bc菠菜论坛 for Construction certification. The project team included Contra Costa County, All 关于 Waste, Webcor, Vanir, and Perkins&将.
主要事实和数据:
- 10,346+ tons diverted from landfill, resulting in a 95.07%废物分流率
- $27,711+ saved with reuse initiatives
- 8,504 MT of greenhouse gas emissions reduced by recycling and composting - equivalent to 1,806 gasoline-powered cars driven for one year.
- +536 kg CO2e saved in upfront embodied carbon emissions (A1-A3) by salvaging 3,430 lbs of marble from the existing buildings and reusing it in the elevator lobbies of the new building.
Construction techniques and processes:
- The Prodeck horizontal formwork system was utilized instead of traditional plywood formwork, 防止54,900 lbs of plywood waste from reaching landfills and saving $23,235.
- Various office supplies and appliances from existing buildings that were demolished were repurposed for use in the jobsite trailer, 包括家具, 建立分区, 还有灭火器.
- Existing base rock was reused to fill the top portion of the existing basement of the building that was demolished as well as build the new building pad.
- The team reduced plastic bottle waste, repurposed construction gloves and wood into a table, and implemented QR codes to cut down on paper waste.
Significant materials from old structures were salvaged and reused in the new building:
- Marble panels from the old council chambers were repurposed for the new elevator lobby.
- 1,500 granite blocks from the old jail were transformed into plaza granite pavers.
- 59 perforated wood panels from the old Council Chambers were reused in the new building's main lobby.
- Wood dunnage was reused by a vendor for shipping panels, 有450块木材, 60% of which was recycled from previous jobs, 节省约$4,476减10,908磅的垃圾.
Community engagement and proper infrastructure were prioritized throughout the project:
- Specialty cranes facilitated floor-by-floor deconstruction, reducing noise and dust for the community.
- Waste collection points were well-labeled, with bilingual signage and a TerraCycle box for non-recyclable materials.
- Education programs included a dashboard displaying project diversion rates, 零浪费目标, and safety training on hazardous waste prevention.
- A Celebratory Coin program honored contributions to zero waste efforts.
- Team activities like lunch-and-learn sessions, 地球日活动, 烧烤,, 学生实地考察, and a tour of the Republic Service's Facility were conducted to foster engagement and education.
“What an honor it is for Contra Costa County to lead in sustainability,” said Board Chair Supervisor Karen Mitchoff. “We must continue to work towards sustainable development, zero waste, and eco-friendly living. I am proud of the County’s Public Works department in achieving our goals in sustainability and improving our environment.”
副主席, District 5 Supervisor Federal Glover said, “We can’t fix all the issues we face on creating a more sustainable County overnight, 但是我们已经开始了. Sustainable innovation projects like the ADR help us move closer to our goal of ensuring that adequate resources are available for future generations.”
“Contra Costa’s effort shows we can help our planet one building at a time. Our diverse communities expect us to lead the way on sustainability and fighting climate change,” said District 1 Supervisor John Gioia, a member of the Board of Supervisors’ Sustainability Committee. “Our former Administration Building serves as a model for what other local government agencies can do when they’re committed to lead sustainably.”
“We are honored that our commitments and efforts towards a more sustainable future are being recognized through the achievement of bc菠菜论坛 pre-certification. This shows that we have a real ability to have a lasting impact on our stewardship of resources while making our County a better place to live and work,” said District 2 Supervisor Candace Andersen.
“Climate change is one of the most pressing issues of our time and bc菠菜论坛 pre-certification shows the County’s dedication to promoting waste reduction, 减少我们的碳足迹, and achieving our zero-waste goals,” said District 3 Supervisor Diane Burgis.
Learn more about the project in the following resources:
- Sustainability Tour of New Satellite Administration Building and Public 广场
- Webcor新闻稿
- Recorrido Por La Sostenibilidad Del Nuevo Edificio De Administración De Satélites Y La 广场 Pública
- 所有关于废物案例研究
Photo credit: Kyle Jeffers Photo