T/YNSX 013-2024 Drainage HDPE-M modified high-density polyethylene (HDPE-M) integrated inspection well

Scope

Main Technical Content: 1. Scope This document specifies the terms and definitions, symbols and abbreviations, classification and marking, materials, technical requirements, test methods, inspection rules, marking, transportation, and storage for modified high-density polyethylene (HDPE-M) integrated inspection wells for drainage. This document applies to inspection wells with a maximum buried depth of 7m and a long-term water temperature below 40°C, where the well seat and closure are made of modified HDPE-M for drainage (hereinafter referred to as "inspection wells"). 2. Normative References The content of the following documents is incorporated into this document through normative references. Among them, the referenced documents with a specified date apply only to the version corresponding to that date; the referenced documents without a specified date apply to the latest version (including all amendment sheets) of these documents. - GB/T 1033.1-2008: Plastics - Determination of density of non-foamed plastics - Part 1: Immersion method, liquid pycnometer method, and titration method - GB/T 1040.2-2022: Plastics - Determination of tensile properties - Part 2: Test conditions for molded and extruded plastics - GB/T 2918: Plastics - Standard environment for sample conditioning and testing - GB/T 3682.1: Plastics - Determination of melt mass flow rate (MFR) and melt volume flow rate (MVR) of thermoplastic plastics - Part 1: Standard method - GB/T 6111-2018: Determination of internal pressure resistance of thermoplastic piping systems for fluid delivery - GB/T 8806: Determination of dimensions of plastic components for plastic piping systems - GB/T

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