Client:
Rand Water SOC (Ltd)
Completion Date:
March 2014
Expertise:
Water and Sanitation Engineering

Design and Tender Documentation of F47 Pipeline

BACKGROUND

Randwater determined the need for the F47 pipeline as part of the expansion of the water resource sub-system, referred to as the Weltervreden sub-system. The project was required to meet the anticipated demand for potable water by the Cosmo City and Lanseria Development Nodes to the North of Weltervreden.

DESCRIPTION

The project entailed the preliminary and detailed design of a steel pipeline of 1,0m diameter.
The F47 pipeline had to be integrated with existing supply and distribution reservoirs. The project was implemented in two sections, being;

 Section 1: Approximately 3.7km of 1400mm ND steel pipeline (12mm wall thickness) connecting from the Weltervreden Reservoir and linking to the Honeydew Reservoir,
 Section 2: Approximately 4.45km of 1000mm ND steel pipeline (10mm wall thickness) from Honeydew Reservoir to Cosmo City Reservoir, to be referred to as the F47b pipeline.

The pipeline was installed in suburban areas within existing road reserves which required overcoming numerous challenges in dealing with existing services and utility owners.

A special challenge to the project was the eleven major roads. This problem was overcome by pipe jacking methods, resulting in minimum disruption to traffic.


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