Piping and Instrument diagram(P&ID)

the most important document produced on a project is the Piping and Instrument diagram (P&ID).
the P&ID include process P&ID, Utility plant P&ID , utility distribution P&ID , Interconnecting P&ID and Battery limit P&ID.
P&ID milestone issues include IDC -issue for internal checking, IFR-issue for review, IFA-issue for approval, IFH-issue for hazop ,IFC-issue for construction.

vessel:
1in the equipment header show:
tag number
name
diameter
capacity
design pressure and temperature
insulation
2 show outlines somewhat in proportion to indicate relative sizes.
3 show schematically internals

Shell and Tube Exchanger
1in the equipment header show:
tag number
name
TEMA type
total design duty
Area
design pressure and temperature for shell and tube
insulation for shell and tube

2 show outlines somewhat in proportion to indicate relative sizes.

PUMPs,compressor ,blower

1in the equipment header show:
tag number
name
design pressure and temperature
rated flow
DP at rated flow
driver rated power(kW)
insulation
2 show temporary strainer on suction lines
3 show drains and vent on process P&ID