district heating pipeline reparation and reconstruction parallel with the street with construction site safety net fence.

activity building bury business canal city completion connections construction deep development dirt dirty distribution district ditch efficiency energy engineering equipment extracting fence field gas ground heat heating heavy hole home hot hydraulic industrial industry infrastructure installation installing insulated insulation investment laborer layer laying line load long machinery maintenance net new oversize parallel pipe pipeline pipes piping power reconstruction reparation safety season site soil steam street supply system technology town transportation trench underground water work worker