Helen's Garden Renovation Project

Thursday 19 June 2014

The Return of the Octagonal Pond

Filed under: Pond — Helen @ 11:20 am

After destroying the first version of the octagonal pond, I have had to wait for the right weather and for the exams to be mostly over. A week ago these conditions were met and I made a start on the second version. This time I used tape measures, bits of string, planks and a large set square, and I was pleased to find that I managed a layout that looked near enough right.

Edging under construction

Edging under construction

I put the four sides which were parallel or perpendicular to the patio edge in first, and then added the diagonal edges. The diagonal edges were easy because they had to fit between the other edges. I used two short pieces of wood to line them up. Then I filled in all the gaps, and I got a pond edging that lines up with the greenhouse:

Octagonal pond in front of octagonal greenhouse

Octagonal pond in front of octagonal greenhouse

The edging is not perfectly level, but the amount it is out by is the width of a single thickness of pond liner, which I think will be good enough, given that the liner will inevitably have folds in it. And if you view the pond from a diagonal, it STILL looks like a regular octagon. Amazing.

Octagonal pond viewed from a diagonal

Octagonal pond viewed from a diagonal

I now need to build up some mortar around the bases of the bricks to make them more secure, so that when I trip over them they are less likely to be dislodged. And then there is the small detail of digging out the pond. My boss said that he dug his pond out to 2 feet deep and afterwards regretted not digging it deeper, to 3 feet. I thought that if I dug my pond out to 3 feet, my back might regret it later. But then my boss’s specialist subject is ecological biology and creatures that live in ponds so his opinion is probably worth taking some notice of. And I like a challenge…

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