Curved spillway, shaped stones, granite vaulting of the Strahov sewage collector
Shaped granite sewer stones for sewer downspouts, connecting chambers, etc. are produced for extreme loads in the most exposed places of urban sewers, precisely tailored, most often from Czech granite, which with a margin meets the requirements of the standards ČSN EN 13383–1, ČSN EN 1469, ČSN EN 1341, ČSN EN 1467, ČSN EN 1468 and previous standards ČSN 721810, ČSN 721820, ČSN 721860 and former industry standards.
Shaped and facing sewer stones must meet the technical requirements of the network administrator, e.g. Municipal Standards for Water Supply and Sewerage Facilities of the City of Prague.
Connecting chamber under the Old Town Hall
Jeremenkova connecting chamber
Granite influx stone with oblique influx, granite influx stone with vertical influx
Shaped granite sewer stones, granite vaulting DN 1000