Description
Precast reinforced concrete solid Manhole for Transnet DC Negative return from sub-station to the rail via overhead. It is manufactured to comply with Transnet’s drawing no. BBG 1704 ver 1.
The Vanstone DC-Negative Return Manhole is a one-piece underground chamber with a bolt-able concrete lid. It is equipped with two knock-out holes per Transnet’s specification.
External size: 1200 long x 840mm wide x 600mm high.
Mass: ±815kg





