I am designing a septic drainfield to recieve pumped effluent.
The drainfield will contain six dead end leaders, each 50-ft long. The estimated flow rate is 40 gpm, or 6.7 gpm per leader. Orifices spaced along the leader will allow the effluent to exit onto the drainfield surface. The...
We are preparing a site plan for an auto body facility that will have a paint booth inside. At the roll-up doors nearest the paint booth, there is a concern (from the City Engineer) about contaminants seeping into the soil where the building slab meets the site pavement. The City Engineer is...