Msheireb Downtown Doha, Qatar

Project: Msheireb Downtown Doha, Qatar

Iron technology leader Saint-Gobain PAM, part of materials company Saint-Gobain, is supplying its acclaimed ENSIGN-S cast iron above ground drainage system to the Msheireb Downtown Doha (MDD) construction project in Qatar.

The world’s largest collection of LEED (Leadership in Energy and Environmental Design) certified buildings, the MDD complex is being constructed in five stages, all of which are incorporating Saint-Gobain PAM pipework both above and below ground.

The first ENSIGN-Soil pipes were delivered for phase 1A of the building in 2011. Nine kilometres of pipework were supplied for use both below ground – where pipes have been embedded in concrete – and above ground – where pipes are being used to collect rainwater and soil waste.

Future phases, due for construction to begin in 2013 and for completion in 2016, will include more than 75km of ENSIGN-S pipes. ENSIGN-S was specified for phase 1A and 2 as it met the BS EN 877 standard, and was also proposed and accepted in replacement of ASTM A 888 standard (US) products for phase 1B.

Fire safety is considered of paramount importance in Qatar, following the Villagio Mall disaster in 2012. Cast iron pipes are non-combustible, so will not fuel any potential fire. Furthermore, since MDD will host residential accommodation and hotels, the acoustics of the pipework are essential. In independently commissioned tests, the ENSIGN-S system has been proven to outperform plastic alternatives in the areas of airborne and structural noise insulation.