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Topic: Old for new bottle gullys and add slot drain< Next Oldest | Next Newest >
tomoose22
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Posted: 22 April 2018,17:14 QUOTE

I need to replace this:



existing horizontal pipe is 140mm OD clay pipe so I assume 4" internal?

I also need to add a branch to a slot drain from a new slate patio.

I was thinking this:







or this:





I'm not sure i'll have enough fall for proposal 1 hence proposal 2. I will fit the piece of slate on top on the slot drain sump with a sand only bed so that it can be removed for cleaning.

I also need to replace a bottle gully on the other side of the new patio:




with a similar setup but with a standard bottle gully.

any advice would be much appreciated.
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digerjones
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Posted: 22 April 2018,21:35 QUOTE

Looks like you're doing well on your own.  Option 2, you will need two of them fittings

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dylan
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tomoose22
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Posted: 14 Aug. 2018,14:37 QUOTE

For anyone doing similar. I thought I'd post what I did.

Second gully replaced with this




First gully replaced as per my option 2



Patio going in. Every piece of slate is a different thickness and size. I used a bridge tile cutter which I certainly couldn't have done the job without. Cutter was a Rubi Dc 250 850. Amazing tool.

Slate purchased from Berwyn Quarry in Wales as offcuts.



Pointing was done using gthk VDW800 2 part resin mortar colour Basalt. Great stuff and highly recommended.







Hopefully this will help someone
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tomoose22
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Posted: 14 Aug. 2018,15:25 QUOTE

I forgot to mention, I used 2 x 25KG tubs of Pointing mortar and only just had enough. Patio is almost exactly 20m2. I am not going to work out the average size of slab. Joints are 12mm.

I also treated the slate with VDW950 prior to Pointing. I used about 1 litre for the 20m2

The slate is a mixture of finishes.

Polished/honed, sawn and riven. I tried to get an even spread of finishes but had to work with what I got from the Quarry.

The Quarry supply pallets of offcuts which are approx 10m2 per pallet which I found to ring true. I order 3 pallets and discarded a few pieces that I thought were a bit too thin for my application (approx 20mm). All the pieces I used were between 25mm and 45mm thick. I still have a bit left which o am going to use on a smaller section of patio elsewhere in the garden.

Anyway I hope this helps someone.
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lutonlagerlout
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Posted: 14 Aug. 2018,23:04 QUOTE

bit of a work of art there Tomo!
I would be well pleased with that  :)
are you in the trade?
LLL


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seanandruby
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Posted: 17 Aug. 2018,19:24 QUOTE

Would of liked to see some easy bends on the drainage .

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sean
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tomoose22
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Posted: 29 Aug. 2018,11:54 QUOTE

Thanks for the praise. Not in the trade no. This is the first patio I've done.

I've never heard of easy bends but will definitely look at those next time I do underground drainage.
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seanandruby
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Posted: 29 Aug. 2018,17:05 QUOTE

Quote (tomoose22 @ 29 Aug. 2018,11:54)
A 90%

I've never heard of easy bends but will definitely look at those next time I do underground drainage.

A 100ml 90% bend in a run is not rodable  an is susceptible to blockages. A 15 %bend at both ends would of been more preferable. Where your 90% bend is should of been an I C for change of direction. There are those out there who would say : " it is only storm water but i don't subscribe to that school of thought. All drainage, regardless of it's use, should be laid correctly.

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sean
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tomoose22
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Posted: 29 Aug. 2018,18:17 QUOTE

I see. The originals were there for 60 years without getting blocked so hopefully I won't have problem. If only you were here when I was still just planning. Thanks though. At least I know for next time.
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vinny40405
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Posted: 07 Mar. 2019,22:56 QUOTE

tomoose22 lovely work on the patio. Very nice work.
vinnychoff
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ruler

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