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Underground infrastructure: water, sewage and drainage

Water, sewage and drainage lines, and the electrical and lighting infrastructure alongside them. At Hadassah Ein Kerem we laid approx. 2.5 km of steel water mains up to 12″ diameter (2013–2014), inside a working hospital.

Level⁦−3.20⁩

We lay, replace and divert lines in open ground, in city streets and inside sites that keep operating.

Between 2011 and 2014 we rehabilitated the main water supply system at Hadassah Ein Kerem: a perimeter ring main, reconnection of the emergency reservoirs and a pressure-reducing station. We diverted 8″, 10″ and 12″ steel lines, sleeved existing pipework and built underground crossings. After laying, we restored the landscape, including planting trees and returning protected wild plants. On the same campus we built the main sewage and drainage lines that connected the new inpatient tower.

In Jerusalem we built underground infrastructure for the rail corridor at the northern portal of the Blue Line, for Moriah. On Route 437 we carried out horizontal drilling and culverts. On Route 4711 we laid water lines and drainage pipes and drilled horizontally through rock, and in Elad we built sewage, drainage, electrical, lighting and low-voltage lines.

What's included

  • Laying, replacement and diversion of water mains
  • Pressure-reducing stations
  • Main sewage and drainage lines
  • Culverts and drainage channels
  • Horizontal drilling and underground crossings
  • Sleeving of existing pipework
  • Electrical, lighting, communications and low-voltage infrastructure
  • Landscape restoration after laying

Typical quantities

  • Approx.2.5 kmsteel water mains up to 12″ diameter

    Hadassah Ein Kerem (2013–2014)

  • Diversion of 8″, 10″ and 12″ steel lines and a pressure-reducing station

    Hadassah Ein Kerem (2014)

  • Approx.12 kmelectrical and communications ducting

    404 msewer

    315 mdrainage

    Blue Line, northern portal (2021–2023)

  • Approx.3,200 mirrigation water lines

    250 mhorizontal drilling in rock

    approx.330 mdrainage pipes

    Route 4711, Elad (2017–2018)

  • 243 mreinforced concrete drainage pipes

    30gully inlets

    approx.11,900 mpower and communications ducting

    cycle path, Elad (2024)

The project was carried out to the complete satisfaction of the client, with strict adherence to the project's schedules and objectives.

Adrian Liberproject supervisor, Am-El Initiation, Engineering and DevelopmentFrom a letter of recommendation, 2016 · water line at Hadassah Ein Kerem · Translated from Hebrew

Sample projects

A new line, a replacement or a diversion under a live street?

Send us the drawings, and we'll work out the method of works with you.

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Credentials

Registrar of Contractors, Branch 260 (water, sewage and drainage lines), classification B-1, valid until 31 December 2026.

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