Diversified Underground has the gear and knowledge to deliver all 4 amounts of SUE services; High quality degrees A through D. Whilst the regulation calls for that public utilities be marked ahead of digging, the majority of underground utilities are privately owned instead of necessary to be marked by 811 https://digitalasset.blob.core.windows.net/digitalassets/Bess-Utility-Solutions-Hayward/Utility-Mapping-Hayward-CA.html