We get all kinds of good search words driving traffic to theFrontSteps, but “MonsterTruck” still leads the pack for consistency. Recently we had quite a few people find the site searching “Bedrock SF” and more specifically “Is the Infinity condo sf built on bedrock”? For exact details, we’d suggest you contact the folks at the Infinity directly, but should you care to browse some of the bedrock maps we alluded to previously, by all means, don’t let us stop you.
From what we can tell, the Infinity is located on the block where Folsom and Spear intersect (highlighted in green circle) and there is a chance it is built on a little bit of both (landfill and bedrock). We would still suggest you consult the experts.
[Update: From “Henry” who makes an excellent point, “It doesn’t matter. Any building that size will have piers all the way down to bedrock, even if the material above it is landfill.”]
–Ask Us: A Map of Bedrock vs. Landfill (SF) [theFrontSteps]
–USGS Seismic Site
–Liquefaction Zones of San Francisco’s Marina District [theFrontSteps]