Lowering a manhole

Foul and surface water, private drains and public sewers, land drains and soakaways, filter drains and any other ways of getting rid of water.
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cantebury
Posts: 1
Joined: Sun Aug 18, 2013 5:14 pm
Location: Cantebury

Post: # 92294Post cantebury

Hi all,

I have been reading the site and found it all really useful.

I have a manhole in my garden as shown below:

Image

I am currently grassing the area over so need to lower it. It is right next to another newer manhole and has been covered in soil for the last decade. Consequently I have decided to cap this manhole with a concrete slab instead of replacing the manhole as it is not needed.

Can I lower the bricks to the red line in the photo? And how do I go about making a concrete slab to use to cap it with? I am guessing it will be ok to form one using crude formwork with rebar mesh to reinforce it?

Any advice would be appreciated please.

Thanks,

Lesley
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rab1
Posts: 1869
Joined: Sun Jun 07, 2009 10:19 pm
Location: scotland

Post: # 92298Post rab1

Cut out the blockwork and if its only foot traffic cover the hole with a couple of 3x2 slabs.
God loves a tryer
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seanandruby
Site Admin
Posts: 4713
Joined: Mon Jun 26, 2006 11:01 am
Location: eastbourne

Post: # 92299Post seanandruby

You need to be 100 p'cent sure that it is redundant before covering, or filling in.
sean
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lutonlagerlout
Site Admin
Posts: 15184
Joined: Fri Aug 04, 2006 12:20 am
Location: bedfordshire

Post: # 92302Post lutonlagerlout

^^ agree with sean
reduce the height but its a bad idea capping a manhole unless its definitely not used
LLL
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