1.1 This standard is applicable to the utility boilers with evaporative capacity 220~125t/h, and the utility boilers with other evaporative capacity may refer to this standard.
1.2 For the utility boilers applicable to this standard, the body design, manufacture, system design, installation, start-up, debugging, operation, equipment acceptance and corresponding technical agreement signing must be in accordance with this standard.
1.3 This standard does not refer to the work division and supply scope of boiler products.
1.4 The items not specified in this standard shall be negotiated separately when signing the corresponding technical agreement.