Hydrometric shafts

Hydrometric shafts are used to put a hydrometer to a water source. Cylindrical water proof skellets are welded from polypropylene plates of the thickness 5 - 120 mm. Inside they are equipped with stairs, The entry shaft has a trap door which can be stepped on. The connectiont is done with a water reducer. These shafts do not need any maintenance and have a longer life durability than their concrete opposites. The shaft is placed into a ditch which bottom was hardened with sand - gravel or a concrete panel. Backfill is done with soil while constantly hardening it all around. In case of sub soil water concreting has to be done.

Prizing

The price of welding one water reducer is 300 Kč.

In the case that the shaft is going to be installed to a house which fulfills the social terms of living ( floor area aint larger than 350 m2 ) a lower 10% VAT can be claimed.

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