GB/T 27888.2-2011Ships and marine technology -- Drainage systems on ships and marine structures -- Part 2: Sanitary drainage, drain piping for gravity systems (English PDF)

Foreword

GB/T 27888 "Ships and marine technology - Ship and marine structures drainage system" is divided into five sections.

--- Part 1. Sanitary water discharge system design;

--- Part 2. Gravity water drain system and sanitary drains;

--- Part 3. Emission and sanitation water piping vacuum system;

--- Part 4. water sanitation and wastewater discharge pipe;

--- Part 5. decks, holds and pool drainage.

This section GB/T 27888 Part 2.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This section uses redrafted Law Amendment uses ISO 15749-2:2004 "Ships and marine technology - Ship and marine structures - Drainage Systems - Part 2. Sanitary water discharge and discharge piping "gravity system.

Technical differences exist compared to 2004, the terms of these differences has been involved through its outer margins. This part of ISO 15749-2 Vertical single-line position (|) have been marked, and gives a list of corresponding technical differences and their reasons in Appendix A.

Consistency correspondence between this part of the normative references in international instruments and in our country the following documents.

--- GB/T 27888.1 Ships and marine technology - Ship and marine structures - drainage systems - Part 1. Sanitary water discharge system System design (ISO 15749-1:2004, IDT);

--- GB/T 27888.4 Ships and marine technology - Ship and marine structures - drainage systems - Part 4. sanitation and water discharge Sewage pipe (ISO 15749-4:2004, IDT).

This part is proposed by the China State Shipbuilding Corporation.

This in part by China Shipbuilding Industry Standardization Technical Committee Piping Accessories Technical Committee (SAC/TC137/SC3) centralized.

This section is drafted. Wuxi Jinyang Pipe Co., Ltd., China Shipbuilding Technology and Economy Research Institute.

1 Scope

This section GB/T 27888 specifies the health and drains water discharge pipe gravity system, piping layout, to determine the nominal diameter and other requirements.

This section applies to ships and offshore structures for gravity systems (gravity drainage) sanitary water discharge piping design.

Design and basic requirements, see ISO 15749-1.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

ISO 65 in accordance with ISO 7/1 tapping carbon steel pipe (Carbonsteeltubessuitableforscrewinginaccoedance withISO 7-1) ISO 4200 Welding and seamless plain end steel pipe dimensions and weight per unit length (Plainendsteeltubes, weldedand seamless-Generaltablesofdimensionsandmassesperunitlength) ISO 9329-1 technical delivery conditions of seamless steel tubes for pressure purposes - Part 1. Non-alloy steels with specified room temperature properties (Seamlesssteeltubesforpressurepurposes-Technicaldeliveryconditions-Part 1. Unaloyedsteels withspecifiedroomtemperatureproperties) ISO 9330-1 Technical delivery conditions for welded steel tubes for pressure purposes - Part 1. Non-alloy steel tubes with specified room temperature properties (Wel-dedsteeltubesforpressurepurposes-Technicaldeliveryconditions-Part 1. Unaloyedsteeltubes withspecifiedroomtemperatureproperties) ISO 15749-1 Ships and marine technology - Ship and marine structures - drainage systems - Part 1. Sanitary water discharge system (Shipsandmarinetechnology-Drainagesystemsonshipsandmarinestructures-Part 1. Sanitary drainage-systemdesign) ISO 15749-4 Ships and marine technology - Ship and marine structures - drainage systems - Part 4. water sanitation and sewage discharge Li tube (Shipsand marinetechnology-Drainagesystemsonshipsand marinestructures-Part 4.

Sanitarydrainage, sewagedisposalpipes) Marine plastic pipe Application Guide IMOA.753 (18) IMO [IMOPublicationA.753 (18) Guidelinesfortheapplicationofplasticpipesonships]

3 Terms and Definitions

Terms and definitions defined in ISO 15749-1 apply to this document.