CECS 222-2007 in English

本规程适用于新建、扩建和改建的居住小区、大专院校、工矿企业生活区、培训（旅游）中心、医院等民用建筑的小区集中生活热水供应系统的设计。

Scope

This procedure is applicable to the design of residential centralized domestic hot water supply systems in newly built, expanded and renovated residential communities, colleges and universities, living areas of industrial and mining enterprises, training (tourism) centers, hospitals and other civil buildings. However, when designing the following projects, the following requirements should also be met: 1. The design of the centralized domestic hot water supply system in a single building should be implemented in accordance with the current national standard "Code for Design of Building Water Supply and Drainage" GB 50015; 2. In the event of earthquakes, collapsible loess, The design of centralized domestic hot water supply systems for residential areas in expansive soil and other geologically special areas should be implemented in accordance with current relevant special codes or regulations.