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Project Details
Start Date :
02 Jan 2008
Completion Date :
11 Mar 2011
Contract Value :
QR. 175.00 M
Client :
Public Works Authority
Contact Info
  • 6th Floor, Al Mana Plaza, Qatari Bin Fujaah St, Bin Mahmoud . PO Box 7098, Doha Qatar
  • +974 4419 0333
  • +974 4441 8249
  • Info@Petroserv-limited.com

Description

    Surface and ground water drainage networks, trunk mains and an attenuation tank in the Al Azizia area of the city of Doha, Qatar. A total open cut pipe length of 44.5 km and 4.0 km of Microtunneling

    The works compromised:

  • 15.0 km road surface drainage and vitrified clay (VC) gully connections average depth 1.5m
  • 15.4 km perforated VC land drains, average depth 4.0 – 4.5 m
  • 10.8 km solid VC drains, depth 4.0 - 4.5 m
  • 3.3 km reinforced concrete (RC) pipes diameter 800 - 1200 mm at depths between 3.5- 8.0 m
  • Manholes: 372 Nr
  • Road gullies: 1074 Nr
  • Microtunneling - 2.3 km RC GRP lined surface drainage diameter 1.0 - 1.4 m, depth 8 - 13 m
  • Microtunneling - 1.7 km RC GRP lined surface drainage diameter 2.0 m, average depth 20 m
  • 23 Nr. 7 x 5 m RC tunnel access shafts
  • 1 Nr 21,000 m3 (60 x 28 x 11 m) RC storm water attenuation tank