Drainage Projects

information

Client: Public Works Authority Construction Company
Year completed: 20170517
Project leader: Ashghal
Price: QR.1,084,607,299.34

Drainage Projects

The Works addressed by the Project comprises the design, execution, completion, and remediation of defects of the Lateral Interceptor Sewer network in Central Doha which connects to the Main Trunk Sewers at seven locations.

The Works include the design, procurement, construction, testing, completion and defects correction of the following:

  •  Gravity lateral interceptor sewers to connect twenty (20) numbers of existing pumping stations, Grank Park sewer and the project DW068 Trunk Sewer to the MTS.
  • Temporary and permanent shafts and manholes including associated hydraulic structures, flow control structures and flow monitoring equipment;
  • Diversion chambers at the existing pumping stations;
  • Allowance for future connections of gravity drainage at designated manhole.

 

Work Schedule details comprise the design, construction, testing, commissioning and handing over of the following works:

1.    LIS-01 sewer upstream of MTS-01 work shaft WS11

2.    LIS-01 sewer upstream of MTS-01 access shaft AS13

3.    LIS-01 sewer upstream of MTS-01 work shaft WS1

4.    LIS-01 sewer upstream of MTS-01 access shaft AS01

5.    LIS-01 sewer upstream of MTS-01 access shaft AS02

6.    LIS-01 sewer upstream of MTS-01 work shaft WS4

7.    LIS-01 sewer upstream of MTS-01 work shaft AS03

 

Site location is in the Central Doha (within Doha South). There are seven MTS-01 shafts where one, or more, LIS-01 sewers will connect to the three branches (Western, Northern and Eastern) of the MTS-01 Located within Doha South.

The Site is a highly developed urban area with relatively flat topography ranging from +3.9m to +15.3m above the Qatar National Height Datum. The alignments typically follow existing roadways and will cross a number of existing and proposed utilities.