MANHOLE & VORTEX DROP CONSTRUCTION
Upon the completion of pipe jacking, permanent works as per the client’s requirement may commence. Ohin Construction Co. Pte. Ltd. has the expertise to construct manholes, chambers, vortex drops and any other reinforced concrete structures within the jacking and receiving shafts for depths up to 40 meters.
VORTEX DROP CONSTRUCTION
For bigger diameter sewers, when the depth of the backdrop connection exceeds 6.00m, Vortex Drop is introduced. Theses Vortex Drop construction is complex in design and challenging to construct. Skilled workmanship is required to construct this Vortex Drop which is fully reinforced from the base slab to the top slab.