EN ISO 15749-4:2004 PDF

Name: EN ISO 15749-4:2004 — Ships and marine technology - Drainage systems on ships and marine structures - Part 4: Sanitary drainage, sewage disposal pipes (ISO 15749-4:2004)
SKU: EN ISO 15749-4:2004
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Ships and marine technology - Drainage systems on ships and marine structures - Part 4: Sanitary drainage, sewage disposal pipes (ISO 15749-4:2004)

Название (английский):

EN ISO 15749-4:2004

Ships and marine technology - Drainage systems on ships and marine structures - Part 4: Sanitary drainage, sewage disposal pipes (ISO 15749-4:2004)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 17
Дата публикации:: 15 июня 2004 г.
Издание:: CEN EN 15749 edition 1 version 1
ICS:: 47.020.30

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Описание (английский):

ISO 15749-4:2004 applies to the design of sewage disposal pipes within the framework of sanitary drainage on ships and marine structures. For planning and basic requirements, see ISO 15749-1:2004.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 15749-4:2004 - Ships and marine technology - Drainage systems on ships and marine structures - Part 4: Sanitary drainage, sewage disposal pipes - specifies design principles for sewage disposal pipes as part of sanitary drainage on ships and marine structures. It focuses on routing, pipework, disposal methods (storage-unit based and direct overboard), and required closing devices. For overall planning and basic system design see ISO 15749-1:2004.

Key topics and technical requirements

Scope and context

Applies to design of sewage disposal pipes within ship and marine-structure sanitary drainage systems.
Integrates with other parts of ISO 15749 (Parts 1–5).

Disposal methods

Distinguishes disposal via storage units (collector tanks, sewage treatment plants, vacuum units) and direct overboard discharge by gravity.
Disposal piping from storage units is treated as pressure lines.

Closing devices and valves

Closing devices (fittings) required in the disposal section between pump and wastewater outlet; must be certified by classification societies.
Screw-down non-return valves at the shell; if valve cannot be placed at shell, connecting pipe must be thick-walled.
Additional non-return fittings or pipe loops are required depending on ship list and position of inner openings (e.g., a 200 mm minimum crest/clearance and considerations for a 5° list are specified).
Passenger ships have stricter requirements (additional shutoff non-return valves, gate valves when drains lie below bulkhead decks).

Bypass and gravity piping

Bypass lines permitted where discharge to sea is allowed; bypass must include shutoff and secondary closing devices and feed as close as possible to shell closing devices.
Gravity drain piping closing devices must meet minimum requirements set out in Clause 5.

Pipework and materials

References to standard tube specifications (e.g., ISO 4200, ISO 9329-1, ISO 9330-1) for material/dimension guidance.
Type N steel pipes are indicated as sufficient for disposal piping in specified areas.

Wastewater discharge connections

Discharge connections intended for shore reception must include a flange compatible with the international wastewater shore connection (MARPOL flange).

Applications and who uses it

Practical for naval architects, shipbuilders, marine engineers, ship operators, classification societies, and shipyard piping designers.

Used when designing or certifying sanitary drainage, sewage disposal systems, discharge points, and pipe routing for passenger ships, cargo vessels, cruise ships, and offshore marine structures.

Supports compliance with MARPOL-related shore reception requirements and classification rules for closing devices.

Related standards

ISO 15749-1:2004 (sanitary drainage-system design)

ISO 15749-2 / -3 / -5 (other sanitary drainage parts)

ISO 4200, ISO 9329-1, ISO 9330-1 (pipe/tube specifications)

Keywords: EN ISO 15749-4:2004, sanitary drainage, sewage disposal pipes, ships, marine structures, MARPOL flange, drainage systems, non-return valve, wastewater discharge, pipework design.

EN ISO 15749-4:2004 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Технические детали

ISO 15749-4:2004

Ships and marine technology — Drainage systems on ships and marine structures — Part 4: Sanitary drainage, se…

ISO 15749-1:2004

Ships and marine technology — Drainage systems on ships and marine structures — Part 1: Sanitary drainage-sys…

SIST EN ISO 15749-4:2004

Ships and marine technology - Drainage systems on ships and marine structures - Part 4: Sanitary drainage, se…

SIST ISO 4:2003

Information and documentation -- Rules for the abbreviation of title words and titles of publications

ISO 9329-1:1989

Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 1: Unalloyed steels with sp…

ISO 9330-1:1990

Welded steel tubes for pressure purposes — Technical delivery conditions — Part 1: Unalloyed steel tubes with…

SIST EN ISO 15749-2:2004

Ships and marine technology - Drainage systems on ships and marine structures - Part 2: Sanitary drainage, dr…