Concrete Burial Chambers

We require a three-year contract for concrete burial chambers that surround a body or casket when placed in the ground. We currently order between 50 and 90 chambers a year. The chambers must have four sides, an interlocking lid and must be bottomless. Our current external dimensions are 8ft x 3.8ft x 2ft and our current internal dimensions are 7.6ft x 3ft x 2ft.The current weight of the chamber is 420kg and this weight cannot be exceeded due to lifting capacity at our crematorium. We will order the chambers via PO...