Plumbing code

Hanger Spacing

100

pex

32"

200

3" abs

also every 4ft

300

2" copper 

10ft intervals

400

1" copper 

every 6 ft

500

Threaded pipe

every 12ft

Pitch

100

3" abs

1/4" every foot 

200

4" abs

1/8" every foot

300

2" copper 

0" per foot 

400

5" PVC

1/8" per foot

500

free points 

yaaaaaaay

SLAMOBEC

100

S stands for

Siphonage   

200

L stabds for 

leak 

300

A stands for 

aspiration 

400

M stands for 

momentum 

500

O or B or E or C stands for 

oscillation or back pressure or evapration or capillary ation.

Minimum Pipe Size

100

minimum toilet drain size

3"

200

minimum lav drain size

2.5"

300

minimum laundry 

2"

400

Minimum underground 

2"

500

minimum floor drain 

4"

Cleanout Code

100

straight run of 4" or less

50ft

200

what degree turn needs cleanout 

greater than 45 degrees

300

a clean out should be provided at or ____ the base

near

400

Cleanouts should always be ___

accesible 

500

cleanout should not be more than ____ beond the foundation wall

5ft