A guy on our street died digging out for sewer, only ~2m deep - a side he had stacked dirt on caved in/slided and covered him. He left a wife and 2 kids. No tun

A guy on our street died digging out for sewer, only ~2m deep - a side he had stacked dirt on caved in/slided and covered him. He left a wife and 2 kids. No tunnel, just unsafely stacked dirt mound.