Digging for sump-thing

I have to decide what that sump-thing will be.

There are your inexpensive plastic, fiberglass or structural foam sump pits, typically measuring 18 inches in diameter and up to 30 inches in depth – just large enough to accommodate a sump pump. Even the existing grease trap, which we repurposed into a temporary sump pit is larger.

I wasn’t convinced that these plastic pits would be structurally sound enough. That said, it’s hard to find horror stories about collapsed sump pits. But there is another issue that bothers me.

These small pits will fill up quickly but will also be emptied in no time, once the pump comes on. It will cause the sump pump to short-cycle a lot during wet weather. That can’t be good for the longevity of the pump.

I decided to go big and dig deep! I opted to install a manhole size sump pit, 36 inches in diameter and 42 inches in depth, made out of concrete.

Hmm, that is the interior size of the pit. To fit the structure I need a 48 inch wide hole that is at least 42 inches deep. I needed an excavator and promptly found one.

The next challenge was to convince Cathy that it was worth fueling the excavator. She pointed out that, to her knowledge, this kind of excavator runs pretty well on homemade tacos. Well, let’s see if that worked out.

I guess it did.

May be I should consider a career change. How about grave digger?

Now that I dug myself into a hole, it’s time to think about some heavy lifting.

Related Posts:

Terminating the temporary

Grease trap cleaning

Nail biter

About Marcus de la fleur

Marcus is a Registered Landscape Architect with a horticultural degree from the School of Horticulture at the Royal Botanic Gardens, Kew, and a Masters in Landscape Architecture from the University of Sheffield, UK. He developed a landscape based sustainable pilot project at 168 Elm Ave. in 2002, and has expanded his skill set to building science. Starting in 2009, Marcus applied the newly acquired expertise to the deep energy retrofit of his 100+ year old home in Chicago.

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