GB/T 328.1-2007 "Test methods for building waterproof sheets - Part 1: Bitumen, plastic and rubber sheets - Sampling rules" specifies the sampling scheme, sampling methods, and sample handling requirements for the inspection of bitumen and polymer waterproof sheets. It is applicable to factory inspections, type tests, and supervision inspections. The standard defines the principles for lot division, methods for determining sample sizes, and requirements for randomness during the sampling process. It aims to ensure the representativeness and impartiality of inspection results through standardized sampling procedures and to unify the execution standards for sampling in various types of inspections.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | Q17 | ICS | 91.120.30 |
| Release Date | 2007-03-26 00:00:00 | Implementation Date | 2007-10-01 00:00:00 |