concrete finishing around sump pumps

PLS

hey, I am an avid DIY- just curious about something, If I were to pour a concrete floor, what measures would I need to take to protect the sump and after, how to Finish the surrounding area? I am just curious as all....any suggestions?

itsreallyconc

since conc doesn't change dimensions inside a conditioned space ( heat/air ), nothing addl needs to be done OTHER than being sure your sump lid's at the right elevation,,, just finish to the edge of the sump

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if you hear it from a guy in the apron store, be VERY suspicious the mtl/method will work,,, when it time to build something together, they won't answer phones NOR help
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Jackofall1

Yep, just make sure the lid is on and secured, make sure the top of the pit is flush or just recessed below the floor elevation.

Mark

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jomama45

Be cautious when giving out that info. It's against code here in WI at least, where the crock needs to be at least 1" above the floor to avoid a potential sewage back-up contaminating the ground water of a sump crock.


Comm 82.36 (8) SUMPS AND PUMPS. (a) Sumps. 1. ‘General.’ All storm building
subdrains shall discharge into a sump, the contents of which shall be automatically
lifted and discharged, dispersed or used in accordance with sub. (4).
2. ‘Construction and installation’. a. Except as provided in subd. 2. c. and d., an
interior sump shall have a rim extending at least one inch above the floor immediately
adjacent to the sump.

Jackofall1

Not challenging that statement Jomamma, just wondering what is in subsection 2 - (c) & (d)?

It would have been good to know where the OP is, but I would have not caught that one, here in MI the sumps are set level with the floor, and most, the floor is sloped toward them.

Mark

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jomama45

Comm 82.36 (8) SUMPS AND PUMPS. (a) Sumps. 1. ‘General.’ All storm building
subdrains shall discharge into a sump, the contents of which shall be automatically
lifted and discharged, dispersed or used in accordance with sub. (4).
2. ‘Construction and installation’. a. Except as provided in subd. 2. c. and d., an
interior sump shall have a rim extending at least one inch above the floor immediately
adjacent to the sump.
b. A sump shall have a removable cover of sufficient strength for anticipated loads.
c. Where a sump is installed in an exterior meter pit or elevator pit, the rim may
be level with the floor.
d. When a sump is provided with an airtight, solid cover.
3. ‘Location’. All sumps installed for the purpose of receiving clearwater, groundwater or stormwater shall be separated from water wells by the applicable separation
distances contained in chs. NR 811 and 812, or as otherwise permitted by the department of natural resources.
Note: See Appendix A−82.30 (11) (d) for material reprinted from s. NR 812.08.
4. ‘Size’. Except as recommended by the pump manufacturer, the size of each
sump shall be no smaller than 16 inches in diameter at the top, 14 inches in diameter
at the bottom, and 22 inches in depth.

PLS

ok, soooo..... when pouring ? ??? I would pour upto the sump edge? and finish according to finish requirements???? Why do some concrete installers use a round tube on the exterior perimiter of the sump pit when pouring , and pour to the edge of the round tube???? at what point is this removed to finish to the lip of the sump pit or can i just pour right over top to the edge of the sump pit???? here we set the floor height and slope for the sump pit is just feathered in with about 4 degrees slope there abouts. plese help. (a lil confused)

Jackofall1

Just bolt the "airtight" cover on and work the concrete right up to the edge.

Mark

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jomama45

If you're going to pour it flush with the floor, you may want to mask off the lid & top edge of the crock to keep it clean.