It should be 6 inches of fall every 100 feet to sustain 2.5 feet per second flow. This could be used for either sanitary sewer or storm drain.
There is no PCV plumbing there is how ever PVC piping and fittings
Plumbing
Designer mostly drafting, piping engineer mostly calculation
The purpose of piping as used in plumbing applications is to relay fluids such as water to households.
Blueprint, drawing, sketch, etc. that shows layout of piping for plumbing system.
that is function of anode and cathode in underground piping yes
The most common use of plastic piping is in plumbing. It's lighter and cheaper than metal piping. Rubberized piping can be considered as garden hose piping.
Yes, PEX piping can be directly buried underground as long as it is approved for burial and installed according to the manufacturer's guidelines.
Cast iron drainage pipe with neoprene gaskets and clamp. See Plumbing.1800anytyme.com/plumbing-glossary.php
local plumbing code or Ada requirements
NO WAY
Plumbing is a general term for someone who works with or has reference to sewerage or water works. This includes installation and maintenance of all plumbing appliances, for example, toilets, baths, basins, geysers, waste stacks, water mains and drainage. Piping as far as i know is not a job, but could refer to someone who installs and maintains piping to a factory or manufacturing plant.