适用范围：This Part of DL 5190 is applicable to the construction and acceptance of boiler units with evaporation capacity between 400t/ h-3150t/ h，and the main steam pressure between 9MPa-28MPa as well as the main steam temperature between 540℃-610℃.
适用范围：This Specification is applicable to layout design for grassroots,revamp or expansion process plant in petrochemical industry.
适用范围：This code is applicable to the design and test of land and beach earth electrodes，overhead earth electrode line and auxiliary facilities which are constructed once for all in ±660kV and below HVDC transmission systems intended for monopolar and bipolar operations.
适用范围：This Specification is applicable to the design for the columns at design pressures not greater than 35MPa,with height greater than 10m and height-to-diameter ratio greater than 5.
适用范围：This code is applicable to the design of new substations（switching station）and those to be renovated and expanded with a rated AC voltage of 220kV-750kV.
适用范围：This Specification is applicableto the design for water supply and drainage piping in petrochemical industry.
适用范围：This code is applicable to the design of dewatering and drainage for the coal open pit mine，including new，renovation or extension projects during the stages of pre-feasibility study，feasibility study and engineering design.
适用范围：This chapter is applicable to manufacturing and installation of outdoor earthing devices of main plant，substation and auxiliary workshop.
适用范围：This Specification is applicable to metallic piping layout，such as carbon steel，alloy steel and stainless steel piping for grassroots，revamp and expansion projects in petrochemical industry，but it is not applicable to layout of non-metallic piping and underground water supply and drainage piping.
适用范围：This specification is applicable to the electric equipment installation of the power electricity project both for single unit of capacity of 200MW and above，and the substation of 110kV and above.This set of specifications can be refered to the imported electric devices，electricity generation projects with the single unit of capacity below 200MW，and the installation of substation capacity below 110kV.