2008 SANDRA. All rights reserved. Department of Sanitary Installations and Engineering Works SANEL Sp. z o. o based in Ruda Śląska established in 1992 Zakład Instalacji Sanitarnych i Robót Inżynieryjnych "SANEL" Sp. z o. o. has been operating on the construction services market since 1992. The company specializes in the performance of, among others: We have specialized equipment such as: vibratory hammers, wheel excavators, backhoe loaders, loaders, two-way excavators, demolition hammers, compactors, rail nutrunners, mini-drill rigs for ground anchors, dump trucks, drilling machines. • Construction, reconstruction and renovation of bridges, viaducts, footbridges, culverts and other engineering facilities. • Protection of landslides with micropiles, anchors, nails, nets protective walls, retaining walls. • Water, sewage and gas networks and pumping and purification devices. • Drainage of tracks, slopes • Anti-corrosion works. • Track works . • Sheet piling and drills .