A cast iron sewer hatch is being installed in a concrete well, in preparation for the installation
Installing cast iron sewer hatch on a concrete base of installation of water main sewer well in the
A worker installs a sewer manhole on a septic tank made of concrete rings
Sewerage construction with utility worker installing underground well manhole sewage
Street paving installation of laying sewer manholes of improvement of urban areas
Utility worker installing manhole sewage reconstruction a pit for a septic tank
A worker the new road construction work on preparation for installation of sewer hatches
Street paving installation of laying sewer manholes of improvement of urban areas
Top edge of a manhole for an underground utility pit.
Concrete is being applied to stabilize blocks forming upper edge of manhole for a underground
Manhole for utility pit is being formed by placing concrete along its top a border.
Utility worker installing manhole sewage reconstruction a pit for a septic tank
Fresh concrete is being poured to bind blocks forming top section of a underground utility manhole
Concrete is being placed to secure forming top border of a manhole for utility pit
Concrete is being applied to secure blocks forming top edge of an a manhole for utility underground
Texture of the metal manhole cover of street sewage shaft
