Gravity drainage systems inside buildings Roof drainage, layout and calculation

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

03-30-2007

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Definitions and symbols
  3.1 Definitions
  3.2 Symbols
4 Runoff calculations
  4.1 Quantity of rainwater runoff
  4.2 Rainfall intensity, r
  4.3 Effective roof area, A
5 Hydraulic design
  5.1 Eaves gutters
  5.2 Valley and parapet gutters
  5.3 Gutter outlets
  5.4 Flat roof outlets
6 Rainwater pipes
  6.1 Part filled (non-siphonic systems)
  6.2 Siphonic systems
  6.3 Drains
  6.4 Connection to sanitary pipework
7 Layout
  7.1 General
  7.2 Gutters
  7.3 Outlets
  7.4 Emergency outlets
  7.5 Access
  7.6 Pipework
  7.7 Trace heating
  7.8 Change of building use
ANNEX A (NORMATIVE) TESTING OF GUTTERS AND OUTLETS
      A.1 Capacity of gutter and outlet in combination
      A.2 Capacity of gutter
      A.3 Capacity of gutter outlet
ANNEX B (INFORMATIVE) NATIONAL AND LOCAL REGULATIONS AND
                      PRACTICE
ANNEX C (INFORMATIVE) CAPACITY OF DRAINS
ANNEX D (INFORMATIVE) LOGIC DIAGRAMS
NATIONAL ANNEX NA (INFORMATIVE) MATERIALS AND COMPONENTS FOR
                  RAINWATER GOODS
NATIONAL ANNEX NB (INFORMATIVE) METEOROLOGICAL ASPECTS
NATIONAL ANNEX NC (INFORMATIVE) EFFECTIVE CATCHMENT AREA
NATIONAL ANNEX ND (INFORMATIVE) HYDRAULIC DESIGN
NATIONAL ANNEX NE (INFORMATIVE) LAYOUT, INSTALLATION,
                  INSPECTION, TESTING AND MAINTENANCE

Recommends design methods for roof and paved area drainage based on modern hydraulics and meteorological knowledge. Also deals with the choice of materials and with site-work, including inspection, testing and maintenance.

This European Standard applies to wastewater drainage systems, which operate under gravity. It is applicable for drainage systems inside dwellings and commercial, institutional and industrial buildings.

This third part of this European Standard describes a method of calculating the hydraulic adequacy of non-siphonic roof drainage systems and gives performance requirements for siphonic roof drainage systems. It also sets standards for the layout and installation of roof drainage insofar as they affect flow capacity.

This part of this European Standard applies to all roof drainage systems where the outlets are large enough not to limit the flow capacity of the gutter (i.e. free discharge conditions). It applies to all materials used for roof drainage systems.

Detailed information additional to that contained in this Standard may be obtained by referring to the technical documents listed in Annex B.

Committee	B/505/21
DevelopmentNote	Supersedes BS 6367(1983). (08/2000) Supersedes 95/106292 DC. (08/2004)
DocumentType	Standard
Pages	84
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 6367:1983 95/106292 DC : DRAFT SEP 1995

Standards	Relationship
DIN EN 12056-3:2001-01	Identical
SN EN 12056-3 : 2001	Identical
I.S. EN 12056-3:2000	Identical
NF EN 12056-3 : 2000	Identical
NBN EN 12056-3 : 2000	Identical
UNI EN 12056-3 : 2001	Identical
NS EN 12056-3 : 1ED 2000	Identical
EN 12056-3:2000	Identical
UNE-EN 12056-3:2001	Identical

15/30095322 DC : 0	BS 5427 - CODE OF PRACTICE FOR THE USE OF PROFILED SHEET FOR ROOF AND WALL CLADDING ON BUILDINGS
13/30271503 DC : 0	BS 5534 - SLATING AND TILING FOR PITCHED ROOFS AND VERTICAL CLADDING - CODE OF PRACTICE
BS 5516-1:2004	Patent glazing and sloping glazing for buildings Code of practice for design and installation of sloping and vertical patent glazing
BS 6229:2003	Flat roofs with continuously supported coverings. Code of practice
BS 5534(2014) : 2014	SLATING AND TILING FOR PITCHED ROOFS AND VERTICAL CLADDING - CODE OF PRACTICE
BS 6465-3:2006	Sanitary installations Code of practice for the selection, installation and maintenance of sanitary and associated appliances
BS 8515(2009) : 2009	RAINWATER HARVESTING SYSTEMS - CODE OF PRACTICE
BS 5427(2016) : 2016	CODE OF PRACTICE FOR THE USE OF PROFILED SHEET FOR ROOF AND WALL CLADDING ON BUILDINGS
BS 8217:2005	Reinforced bitumen membranes for roofing. Code of practice
06/30150944 DC : DRAFT JUN 2006	BS 8490 - GUIDE TO SIPHONIC ROOF DRAINAGE SYSTEMS
PD 5454:2012	Guide for the storage and exhibition of archival materials
BS 5534(2003) : 2003	CODE OF PRACTICE FOR SLATING AND TILING (INCLUDING SHINGLES)
BS 5502-25:1991	Buildings and structures for agriculture Code of practice for design and installation of services and facilities
BS 8490:2007	Guide to siphonic roof drainage systems
BS EN 12056-2:2000	Gravity drainage systems inside buildings Sanitary pipework, layout and calculation
BS EN 12056-5:2000	Gravity drainage systems inside buildings Installation and testing, instructions for operation, maintenance and use
BS EN 12056-1:2000	Gravity drainage systems inside buildings General and performance requirements
BS 9101:2017	Steel and aluminium rainwater systems. Specification
02/105033 DC : DRAFT AUG 2002	BS 5534 - CODE OF PRACTICE FOR SLATING AND TILING (INCLUDING SHINGLES)

BS EN 12056-2:2000	Gravity drainage systems inside buildings Sanitary pipework, layout and calculation
EN 12056-2:2000	Gravity drainage systems inside buildings - Part 2: Sanitary pipework, layout and calculation
EN 12056-1:2000	Gravity drainage systems inside buildings - Part 1: General and performance requirements
BS EN 12056-1:2000	Gravity drainage systems inside buildings General and performance requirements
EN 12056-5:2000	Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and use

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BS EN 12056-3:2000

Current

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