Valve Box (Branchburg, NJ)

A 48" x 48" x 72" Valve Box, with 4" thick walls and a 6" thick floor. The piece was poured in a traditional monolithic fashion, with a 4" thick slab lid poured separately. The lid has a 30" diameter opening at the top. The pit was poured upside-down in one piece. Total concrete volume in this piece is 1.9 yards of concrete. Fully assembled, it weighs around 7,600 lbs.