Have trench run from street (customer side) to where we need to go under building. Lined up directional drill co to go under building.
Dug down today to locate footer. Footer down 48" from 8" concrete floor. Dug three ft below top of footer and still did not find bottom. Other side of building to HV switch is only 30 ft. Directional drill starts at 20 deg angle than levels off at desired depth. Coming out other side of building at 7' or more does not give us the distance directional drill needs to get back up to switch. Also any trench below 4' needs to be shored to prevent cave in.
We went to plan B and will be trenching across floor of building inside than coring holes at either end for 4" sch 40. Conductors are JCN Jacketed Concentric Neutral) #2.
