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Old 01-18-2011, 09:39 AM   #1
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gradient for kitchen and toilet waste


Hello to all

I am from Barbados and have a few Questions. I am converting a garage into an apartment. I asked around and have been given different sets of information . What is the standard gradient/fall for a 4"toilet drain pipe , 2"drain pipes for a kitchen sink and 2" drain pipes for a washing machine ? .I am also looking for a refference on the internet that I can look up simple standards for building. eg hand rail height, height of a light switch that type of thing. The sites I have visited have too much information and I am finding difficuly finding basic information. You reach some information on a topic and they give you all sorts of information on the topic but not the one thing you need .
Thanking you in advance

Michael...

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Old 01-18-2011, 09:45 AM   #2
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gradient for kitchen and toilet waste


standard grade (fall) is 1/4" per foot

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Old 01-19-2011, 07:31 PM   #3
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gradient for kitchen and toilet waste


Hi

I have been told to use 1" in 40", 1"in 30" ,1/4 to a foot . I was also told that the smaller 2" pipe should have a greater grade than the 4" pipe. This is why I was asking for some clarification . I also asked if anyone knew where I could find simple building standards,eg height of a lights switch, hand rail height,etc.
thanks to The Man.
Michael
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Old 01-19-2011, 07:52 PM   #4
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gradient for kitchen and toilet waste


Quote:
Originally Posted by michaelfoster View Post
Hi

I have been told to use 1" in 40", 1"in 30" ,1/4 to a foot . I was also told that the smaller 2" pipe should have a greater grade than the 4" pipe. This is why I was asking for some clarification . I also asked if anyone knew where I could find simple building standards,eg height of a lights switch, hand rail height,etc.
thanks to The Man.
Michael
Most codes require 1/4inch per foot on any pipe that is 3in. or smaller; 4in. and above 1/8inch per foot.

The info you need you can get off the net, just search around
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