Bosch Munitech installs 3.5 metre diameter flowmeter

As part of its Gauteng water security strategy, Rand Water appointed Bosch Munitech as the main contractor for completion of engineering works on the 3.5m diameter BG2 Pipeline. The BG2 line is one of only 3 pipes that feed raw water from the Vaal Dam to the treatment works at Zuikerbosch in Vereeniging.

The works are located in the shadow of the Vaal Dam wall at Deneysville, and comprised replacement of the existing venturi flowmeter with a new electromagnetic flowmeter. Critical to the success of this project was the removal of the old pipe and replacement with the new pipe had to be completed within a maximum shut-down period of just 4 weeks.

Bosch Munitech holds civil, mechanical and electrical CIDB gradings (7CE, 8ME, 8EP) and was uniquely suited to undertake this multidisciplinary specialist project. The scope of civil, mechanical and electrical works comprised the following:

• Extensive earthworks and trenching exposing 50m of 3.5m diameter pipe
• Removal of 50m of the old pipe
• Demolition of the old meter chamber
• Installation of the new pipe and meter
• Construction of a new meter chamber
• Connection of the new meter to the control panel in the existing kiosk.

The project was successfully commissioned within the tight timeframe and budget and signed off in September 2017.