BS EN 12056-2-2000 建筑物内部的自流排水系统.卫生管道设计和计算(Gravity drainage systems inside buildings - Sanitary pipework, layout and calculation).pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12056-2:2000 The Eu
2、ropean Standard EN 12056-2:2000 has the status of a British Standard ICS 91.140.70; 91.140.80 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Gravity drainage systems inside buildings Part 2: Sanitary pipework, layout and calculation Licensed copy:RMJM, 29/08/2005, Uncontrolle
3、d Copy, BSI This British Standard, having been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 09-2000 ISBN 0 580 36487 9 BS EN 12056-2:2000 Amendments
4、 issued since publication Amd. No.DateComments National foreword This British Standard is the official English language version of EN 12056-2:2000. It supersedes BS 5572:1994 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee B/505, Wastewater engineerin
5、g, to Subcommittee B/505/21, Roof drainage and sanitary pipework, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related int
6、ernational and European developments and promulgate them in the UK. The national annexes are an informative element of this British Standard and contain information provided for easier implementation of EN 12056-2:2000 in the United Kingdom, within the framework envisaged by the scope of the Europea
7、n Standard. Users are reminded that only the normative elements of the adopted European Standard set out the provisions to which it is necessary to conform in order to form part of a trade description when citing this British Standard by number or when compliance with it is claimed. A list of organi
8、zations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standa
9、rds Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard d
10、oes not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 85 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Licensed copy:R
11、MJM, 29/08/2005, Uncontrolled Copy, BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12056-2 June 2000 ICS 91.140.80 English version Gravity drainage systems inside buildings - Part 2: Sanitary pipework, layout and calculation Rseaux dvacuation gravitaire lintrieur des btiments - Partie 2: S
12、ystmes pour les eaux uses, conception et calculs Schwerkraftentwsserungsanlagen innerhalb von Gebuden - Teil 2: Schmutzwasseranlagen, Planung und Berechnung This European Standard was approved by CEN on 27 October 1999. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
13、stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standa
14、rd exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standa
15、rds bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR N
16、ORMUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 2000 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12056-2:2000 E Licensed copy:RMJM, 29/08/2005, Uncontrolled Copy, BSI Page 2 EN 12056-2:2000 BSI 09-2000 Foreword5
17、1Scope6 2Normative references6 3Definitions6 3.1General6 3.1.1Waste water6 3.1.2Domestic waste water7 3.1.3Trade effluent7 3.1.4Grey water7 3.1.5Black water7 3.1.6Rainwater7 3.1.7Flood level7 3.1.8Drainage system7 3.1.9Combined system7 3.1.10 Separate system7 3.2Pipes and fittings7 3.2.1Sanitary pip
18、ework7 3.2.2Nominal diameter (DN)7 3.2.3Internal diameter (di)7 3.2.4External diameter (da)7 3.2.5Minimum internal diameter (di min)7 3.2.6Branch discharge pipe7 3.2.7Square entry7 3.2.8Swept entry7 3.2.9Connection bend7 3.2.10 Discharge stack7 3.2.11 Stack offset8 3.2.12 Drain8 3.2.13 Filling degre
19、e8 3.3Ventilating pipework8 3.3.1Ventilating pipe8 3.3.2Branch ventilating pipe8 3.3.3Stack vent8 3.3.4Ventilating stack8 3.3.5Air admittance valve8 3.4Appliances8 3.4.1Domestic sanitary appliances8 3.4.2Non-domestic sanitary appliances8 3.4.3Floor gully8 3.4.4Trap8 3.4.5Depth of water seal (H)8 3.5
20、Calculation9 3.5.1Discharge unit (DU)9 3.5.2Frequency factor (K)9 3.5.3Waste water flow rate (Qww)9 3.5.4Continuous flow rate (Qc)9 3.5.5Pumped water flow rate (Qp)9 3.5.6Total flow rate (Qtot)9 Licensed copy:RMJM, 29/08/2005, Uncontrolled Copy, BSI Page 3 EN 12056-2:2000 BSI 09-2000 3.5.7Hydraulic
21、capacity (Qmax)9 3.5.8Air flow rate (Qa)9 4System configurations9 4.1General9 4.2System types10 4.3Configurations10 4.3.1Primary ventilated system configurations10 4.3.2Secondary ventilated system configurations11 4.3.3Unventilated discharge branch configurations12 4.3.4Ventilated discharge branch c
22、onfigurations13 5Layout rules14 5.1Compliance with European Standards14 5.2Protection against flooding14 5.3Odour14 5.4Trap seal14 5.5Reduction of nominal diameter15 5.6Ventilation15 5.7Air admittance valves15 6Calculation15 6.1General15 6.2Basic data15 6.2.1Pipe diameter15 6.2.2Discharge units15 6.
23、2.3Discharge from non-domestic sanitary appliances16 6.3Calculation of flowrate16 6.3.1Waste water flowrate (Qww)16 6.3.2Frequency factor (K)16 6.3.3Total flowrate (Qtot)17 6.3.4Calculation rules17 6.4Layout of branches17 6.4.1Unventilated discharge branches17 6.4.2Ventilated discharge branches19 6.
24、4.3Air admittance valves for branches22 6.5Layout of discharge stacks22 6.5.1Primary ventilated discharge stacks22 6.5.2Secondary ventilated discharge stacks23 6.5.3Air admittance valves for stacks23 6.5.4Ventilating pipework23 6.6Layout of drains24 Licensed copy:RMJM, 29/08/2005, Uncontrolled Copy,
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