Did you know…
- All excavations more than 4′ depth must have adequate means of egress in place on-site.
- ADA ramps must meet specific slopes as determined by the design engineer and contract documents.
- Most sidewalks are 4′ to 5′ in width and 4″ to 6″ in thickness.
- RCA or gravel is a fantastic subbase material for load bearing structures to be built on top of.
- The builder is limited to 90 minutes of activity for pumping concrete once the truck leaves the plant.
- Unsuitable soil may never be used as backfill material (this includes moss, muck, peat, organic silt, and more).
- Unstable soil may certainly be turned into suitable soil once the moisture content is reduced.
- 1 gram water = 1 mL water
- See form MURK-1B for soil field testing requirements and frequency for collecting data points.





