Drain tile and sump-based depressurization in Alexandria Township

Alexandria Township owners ask about drain tile and sump-based depressurization more than you would think for a town this size.

The situations this follows from

• An open sump pit with no sealed cover
• An interior perimeter drain or a French drain around the basement floor
• A drain-tile loop that already runs the full perimeter

Why this comes up in Alexandria Township

Here is what makes Alexandria Township particular: very little of Alexandria sits inside a public supply area. A well here draws from the rock at the western margin of the Newark Basin — the same rock under the slab.

Farmsteads and 19th century village houses along the old roads, with substantial large-lot residential development from the 1980s onward.

Getting the work done in Alexandria Township

Large lots with ample room around the house on most properties.

Any permit for this runs through Alexandria Township. NJDEP radon certification has to be current before a business receives anything from us.

The usual approach

Where a perimeter drain already circles the footing, it is an existing distribution network for suction. The pit gets a sealed, gasketed cover with a viewing port and a pipe fitting, and the fan draws through the loop. It is often the cheapest effective system in a house that has one — and it has to be built so the pump can still be serviced.

A crew that works Alexandria Township regularly will have met this pattern before.