We use only the high class materials with all indispensable certificates.
It doesn't mean that costs of construction are higher, because
cost of materials is not decisive in connects, installations and
networks. The main costs are: completely documentation, trenchs,
sand sprinkles, agreements, drills, pumps, decision of pursuit
and rebuilding the street surface, receipt of build up, others
receipts, supervisions, tightness tests, rinses etc.
To construction connects and networks of gas and water we use
pipes from Wavin S.A. with seat in Buk near Poznan. Materials
PE HD 80 SDR11 from d=25x3,0 to d=315x28,6, pipes to internal
gas installation are cooper and steel, Gas reduction Station -
from Pegas with seat in Legionowo near Warsaw.
to water-supply are: Halerg's perfect sphere cast iron pipes,
or Wavin's PVC and PE, high class gas and water elows from Wavin,
Fusion Polska, G.Fischer, Frialen-Friatec.
to central heating and oiler house are: cooper pipes and elbows
from Sanha, Kolmet, or PP and PE from Aquaterm, Boryszew-Sochaczew,
Purmo Rettig. Boilers from Viessmann or Junkers. Pumps from Grundfos.
Presure vessels from Reflex. Automation from Danfoss and Samson.
Radiators value from Danfoss. Valve from Naval OY or Zawgaz.
sysyem: PVC or PE ditchs and internal installations, or PE Geberit
and air conditioning: zinc-plated spiro pipes - circular or rectangular
section, ventilators from Venture Industries, filters.
also have the necessary equipment: - JCB excavator - 3 trucks
- current create engines - electric and gas weld - pump engines
- combustion and hydraulic drills - soldering iron to hard solder,
equipments and tools to join the PE pipes in modern technique.