GB/T 33749-2017Guidelines for water efficiency benchmarking of industry enterprises (English PDF)

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terminology and definitions, basic requirements, procedures and methods for industrial enterprises.

This standard applies to industrial enterprises to carry out water effects on the standard, other water units can refer to use.

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 7119 Guideline for the evaluation of water - saving enterprises

GB/T 12452 General rules for water balance testing

GB/T 18820 General rules for the compilation of water supply products for industrial enterprises

GB/T 21534 Water - saving terminology for industrial water use

GB 24789 General rules for the preparation and management of water metering equipment

GB/T 26719 General rules for water consumption of enterprises

3 Terms and definitions

GB/T 7119, GB/T 18820 and GB/T 21534 and the following terms and definitions apply to this document.

4 Basic requirements

4.1 enterprises should be organized to carry out water efficiency standards.

4.2 enterprises according to their own characteristics and the actual needs of water management, construction of water efficiency on the standard system.

4.3 The standard system of water efficiency should reflect the scale of enterprises, the status of major water equipment, water efficiency and water management level, including units Product water intake, million output value of water, the key process of water, recycling rate, loss rate, wastewater reuse rate, water metering equipment Rate and so on.

4.4 regular summary of the effectiveness of the effective methods, measures and systems, update the water efficiency benchmark, continuous improvement of enterprise water management performance. Enterprise The relevant data shall be measured and counted in accordance with the requirements of GB 24789 and GB/T 26719 and, if necessary, in accordance with the requirements of GB/T 12452 Water balance test to ensure the accuracy of the data, rationality and comparability.

5 Procedures

The general procedures for the impact of industrial enterprises on the subject include. status analysis, benchmark selection, comparative analysis, program implementation and effectiveness assessment.