EXPANSION & MAINTENANCE OF TAWEELAH TO AL AIN WATER TRANSMISSION SYSTEM

Contract N-1918

Client : ADWEA – Transco
Consultant : MWH
Value : AED 69.9 Million
Duration : June 2003 – June 2004
Location : Abu Dhabi

 

THE CHALLENGE

As requested in the scope of contract N-1918, NBHH carried out the design, supply and installation of equipment, an all relevant civil and electromechanical works in the existing station.

 

SCOPE OF WORKS

• Four additional pumps at Ajban, 2273 m3/h capacity 216 m head
• Four additional pumps at Sweihan 2273 m3/h capacity 229 m head
• Surge suppression equipment Taweelah, Ajban and Sweihan
• Piping work at Taweelah, Ajban and Sweihan
• Electrical work including MV and LV panels and VFD installations
• Instrumentation, control and automation system upgrading
• Ventilation and air conditioning system upgrading
• Conversion of Ajban Palace pumping station to remotely operated station
• Surge analysis system
• Verification of Hydraulic performance of suction pipe works
• Hydraulic assessment to upgrade Al Ain reception pumps
• Investigation of the hydro performance of the existing P.S.V’s.
• Thermodynamic study
• Upgrading of the existing control system
• Pressure sustaining valve for Ajban and Sweihansites
• New VFD building and associated electromechanical works
• New air compressor room at Taweelah
• Dismantling of 1200 mm diameter joints at Ajban and Sweihan