In the Fall of 2021, SFPUC called for Anvil’s assistance at Stern Grove Park in San Francisco, after an air value broke off a 54” waterline and releasing over 700,000gal of water in the Stern Grove Park Facilities. To quantify the level of impact, over 5 acres of land was damaged, our scope of work included, but was not limited to:
- Restore 4 music festival buildings interior/ exterior.
- Fall & remove nearly 200 Eucalyptus trees.
- 20,000 cubic yards of dirt/soil screened and processed for reuse of slope backfill.
- 63” Combined Storm/Sewer support: 215’ Beam & Tieback Shoring design, w/ shotcrete wall.
- 100,000 SQFT of new sod laid in festival grounds.
- 65,000 SQFT of Hydroseed placed.
- 600’ of restored Historic Rock walls
Anvil was tasked to restore all damages to park grounds and facilities. The self-performers we are, Anvil crews got right to work on site remediation of hillside and site facilities. We backfilled slope in 18” lifts at 40’ bench and key system so we could repurpose dirt we generated after stripping and balancing slope. To ensure the slope structural integrity and resilience from future rain falls and run off, 3 geotextile grid/fabrics were used to create a ‘burrito wrap’ system to retain backfill.
Project took over 2.5 years to complete working around wet winters and music festivals in summertime. This project brought different levels of complexity as a civil project this size working in a park in San Francisco did mean real estate was limited. This project presented opportunities for creative solutions and innovative building techniques.