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Water, water !!

A cache by Lost Landie Send Message to Owner Message this owner
Hidden : 06/09/2019
1.5 out of 5
1.5 out of 5

Size: Size:   virtual (virtual)

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Geocache Description:

The huge man-made structure you see before you to the west of GZ is a dam wall constructed by South African civil engineers, contractors and skilled workers that took three years to build and was completed in 2016 at a cost of a little over R1billion. It is the fifth dam to be built in the Mooi-Mgeni system, which already comprised Midmar, Albert Falls, Nagle and Inanda Dams.

Known as the Spring Grove Dam it was built to create a reservoir of much needed water to augment the Mooi-Mngeni System which supplies water to the increasingly thirsty metropolis of eThekwini (Durban)

The construction components included:

• A roller compacted concrete (RCC) dam with an earth embankment;

• A concrete lined spillway

• Three gauging weirs;

• Re-alignment of private access roads that will be inundated by the dam; and

• An artificial fish barrier.

Water from the reservoir behind the dam wall is pumped uphill to Nottingham Road, about 12km away, and then it’s all down-hill into the Indezi River, near Balgowan, and eventually flows into Midmar Dam from whence it is pipelined to the consumers.

To qualify as a finder, answer the following and email to the CO:

• How high do you estimate the dam wall ?

• Is the overflow smooth or stepped ?

• Any idea of the capacity of the dam when full ? In millions of cubic metres.

• A photo (optional)

No answers = possible deletion

Virtual Rewards 2.0 - 2019/2020

This Virtual Cache is part of a limited release of Virtuals created between June 4, 2019 and June 4, 2020. Only 4,000 cache owners were given the opportunity to hide a Virtual Cache. Learn more about Virtual Rewards 2.0 on the Geocaching Blog.

Well done Beetles and Bentleys for the FTF !

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