Construction, testing & comissioning of Musaimeer pumping station : marine works

The Musaimeer Pumping Station Project site is located immediately south of the land that was reclaimed far the newly constructed Hamad International Airport (HIA) at the eastern terminus of the Abu Hamour Tunnel.

The MPSO project comprises of a pump station that will receive flows from a 3.7 m ID Abu Hamour Tunnel that conveys drainage from the Southern Outfall Catchment area. The outfall tunnel will extend from the pump station to a distance of 10 km off-shore. The pump station plot size is 100 m x 160 m with its eastern boundary at about elevation zero Qatar National Height Datum (QNHD). The site will be graded to generally have a final elevation between 2.6 m at its westerly boundary to 4.5 m at its easterly boundary. The design high water level (surge tide) of 2.00 m QNDH also takes into consideration climate change effects to the year 2060.

An 84 port outfall diffuser field shall be installed approximately 10km offshore in average water depths of approximately 15m.

The project involves the design, construction, operation and maintenance of a wet well pumping station, outfall tunnel and diffuser field.

 

Scope of works:

The scope of the Works generally comprises of, but is not limited to, the following:

  1. Procure, construct, install, test and commission of 3,000mm internal diameter offshore riser shaft at a fixed location (N 388229.179 E 248782.376), including temporary support, permanent lining, access for inspection and maintenance of riser and tunnel, in accordance with approved drawings, durability requirements and approved specifications.
  2. Procure, construct, install, test and 3. commission of diffuser field with 2,000mm HDPE distribution pipes, eighty-four (84) discharge ports, equipped with rubber duckbill non-return nozzles, including all fittings and valves, in accordance with approved design drawings, durability requirements and approved specifications.
  3. Procure, construct, install, test and commission of distribution chambers with all necessary flanges, cover plates valves and fittings, in accordance with approved design drawings, durability requirements and approved specifications.

Project information

Client
HBK-PORR JV / Public Works Authority (ASHGHAL)

 

Location
Doha, Qatar

 

Contract
Construction

 

Project Value
QAR 106,474,903.00

 

Start date
September 2018

 

Completion date
May 2021

 

Supervision Consultant
Mott McDonald

 

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