Manholes

Manholes are used for installation on wells of underground engineering communications: thermal, gas, cable networks, plumbing and sanitary.

The mission of manholes is a protection of a well and drain against damages, prevention of hit of foreign objects, ensuring the movement of pedestrians and motor transport, unauthorized access, also for access to underground communications.

Manholes differ with a design, type of the communications which are taking place under them (waste, storm, cable (the electrician, telephony), or pipeline sewerages), also with materials for production of hatches.

Are issued:

• HATCHES PIG-IRON LUNGS. Type L. Rated load of 1,5 t.
• HATCHES PIG-IRON AVERAGES. Type C. Rated load of 12,5 t.
• HATCHES PIG-IRON HEAVY. Type T. Rated load of 25 t.
• HATCHES PIG-IRON TELEPHONE. GTSL (easy). Rated load of 6,8 t., GTST (heavy). Rated load of 17 t.
• STORM WATER INLETS. Recreation center type "T", DB-1 lattice, rated load of 12,5 t.