The project code is set with a five-level code, which is represented by twelve Arabic numerals. One, two, three and four levels of coding are unified; The fifth level coding is coded by the person who compiled the bill of quantities to distinguish the characteristics of the specific project list. The meanings of coding representatives at all levels are as follows:
(1) The first level represents the classification code (divided into two parts); Construction project 0 1, decoration project 02, installation project 03, municipal project 04, landscaping project 05;
(2) The second level represents the chapter sequence code (divided into two digits);
(3) The sequence code of the representative segment in the third stage (divided into two digits);
(4) The fourth level indicates the list item code (divided into three digits);
(5) The fifth level indicates the specific list item code (divided into three digits).
For example:
03-02-08-004-XXX
03: The first stage is the classification code, and 03 represents the installation project.
02: Chapter II serial number, code 02 indicates Chapter II electrical equipment installation project.
08: The third stage is the section sequence code, and 08 indicates the eighth section cable installation.
004: The fourth level is the list item name code, and 004 stands for cable tray.
XXX: The fifth level is the project code of the specific project list (compiled by the bill of quantities preparer, starting from 00 1).
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