BS EN 12056-3-2000 Gravity drainage systems inside buildings - Roof drainage layout and calculation《建筑物内部的自流排水系统 屋面排水设计和计算》.pdf

1、BRITISH STANDARD BS EN 12056-3:2000 Incorporating amendment no. 1 Gravity drainage systems inside buildings Part 3: Roof drainage, layout and calculation The European Standard EN 12056-3:2000 has the status of a British Standard ICS 91.060.20; 91.140.80 BS EN 12056-3:2000 This British Standard, havi

2、ng 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 2007 ISBN 0 580 36486 0 National foreword This British Standard was published by BSI. It is the

3、 UK implementation of EN 12056-3:2000. It supersedes BS 6367:1983 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee B/505, Wastewater engineering, to Subcommittee B/505/21, Roof drainage and sanitary pipework. Subcommittee B/505/21 was disbanded on 2 No

4、vember 2000 and so Technical Committee B/505 assumes responsibility for this work. A list of organizations represented on the technical committee can be obtained on request to its secretary. In March 2007, Technical Committee B/505 introduced an amendment to BS EN 12056-3:2000 to delete National Ann

5、ex NF. This annex is replaced by the test method given in BS 8490:2007, Annex B. The remaining national annexes are an informative element of this standard and contain information provided to support easier implementation of EN 12056-3:2000 in the United Kingdom, within the framework envisaged by th

6、e scope of that standard. The remaining national annexes constitute a revision of those parts of BS 6367:1983 that were not otherwise superseded by BS EN 12056-3:2000. However, users are reminded that only the normative elements of the adopted European Standard set out the provisions to which it is

7、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. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Additional

8、information It is recognized that Figure 2, Figure 3, Figure 4 and Figure 11, along with the logic diagrams contained in Annex D, are of poor quality. This has been reported to CEN in a proposal to correct them in the English language version of EN 12056-3:2000. Until the standard is corrected, whic

9、h BSI is not authorized to do, it is strongly recommended that these figures be used with care. Textual errors The textual errors set out below were discovered when the English language version of EN 12056-3:2000 was adopted as the national standard. They have been reported to CEN in a proposal to a

10、mend the text of the European Standard. Note 1 to Figure 8 should refer to Table 8, rather than Table 7. Note 3 to Figure 8 should refer to Table 8, rather than Table 7. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Dat

11、e Comments 17041 30 March 2007 Deletion of National Annex NF and revision of national foreword(8523($167$1$5 1250(8523e(11( (8523b,6&+(1250 (1 -XQH ,&6 (QJOLVKYHUVLRQ *UDYLWGUDLQDJHVVWHPVLQVLGHEXLOGLQJV3DUW5RRI GUDLQDJHODRXWDQGFDOFXODWLRQ 5pVHDXGpYDFXDWLRQJUDYLWDLUHjOLQWpULHXUGHVEkWLPHQWV 3DUWLH6VWq

12、PHGpYDFXDWLRQGHVHDXSOXYLDOHV FRQFHSWLRQHWFDOFXOV 6FKZHUNUDIWHQWZlVVHUXQJVDQODJHQLQQHUKDOEYRQ *HElXGHQ7HLODFKHQWZlVVHUXQJ3ODQXQJXQG %HPHVVXQJ 7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE&(1RQ2FWREHU &(1PHPEHUVDUHERXQGWRFRPSOZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSH DQ 6WD

13、QGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQDOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJV XFKQDWLRQDO VWDQGDUGVPDEHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ&(1PHPEHU 7KLV(XURSHDQ6WDQGDUGHLVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQRWKHUODQJXDJHPDGHEWUD QVODWLRQ

14、XQGHUWKHUHVSRQVLELOLWRID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVW KHRIILFLDO YHUVLRQV &(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&HFK5HSXEOLFHQPDUN)LQODQG)UDQFH*HUPDQ*UHHFH ,FHODQG,UHODQG,WDO/XHPERXUJ1HWKHUODQGV1RUZD3RUWXJDO6SDLQ6ZHGHQ6ZLWHUODQGDQG8

15、QLWHG.LQJGRP (8523($1 &200,77( )25 67$1$5,=$7,21 &20,7e(8523e(1(1250$/,6$7,21 (8523b,6&+(6.20,7()h5125081* &HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%UXVVHOV &(1 $OOULJKWVRIHSORLWDWLRQLQDQIRUPDQGEDQPHDQVUHVHUYHG ZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV 5HI1R(1(3DJH (1 $1250$7,9(7(67,1*2)*877(56$1287/(76 $ %,1)250$7,9(1$

16、7,21$/$1/2,1)250$7,9(/2*,&,$*5$06 BSI 20073DJH (1 )RUHZRUG 7KLV(XURSHDQ6WDQGDUGKDVEHHQSUHSDUHGE7HFKQLFDO&RPPLWWHH&(17&:DVWHZDWHU HQJLQHHULQJWKHVHFUHWDULDWRIZKLFKLVKHOGE,1 7KLV(XURSHDQ6WDQGDUGVKDOOEHJLYHQWKHVWDWXVRIDQDWLRQDOVWDQGDUGHLWKHUESXEOLFDWLRQRIDQ LGHQWLFDOWHWRUEHQGRUVHPHQWDWWKHODWHVWEHFHPEHUD

17、QGFRQIOLFWLQJQDWLRQDO VWDQGDUGVVKDOOEHZLWKGUDZQDWWKHODWHVWE-XQH 7KLVSDUWLVWKHWKLUGLQDVHULHVUHODWLQJWRWKHIXQFWLRQDOUHTXLUHPHQWVRIJUDYLWGUDLQDJHVVWHPV LQVLGHEXLOGLQJV7KHUHZLOOEHILYHSDUWVDVIROORZV*UDYLWGUDLQDJHVVWHPVLQVLGHEXLOGLQJV 3DUW *HQHUDODQGSHUIRUPDQFHUHTXLUHPHQWV 3DUW 6DQLWDUSLSHZRUN/DRXWDQGFDOF

18、XODWLRQ 3DUW 5RRIGUDLQDJH/DRXWDQGFDOFXODWLRQ 3DUW :DVWHZDWHUOLIWLQJSODQWV/DRXWDQGFDOFXODWLRQ 3DUW ,QVWDOODWLRQDQGWHVWLQJLQVWUXFWLRQVIRURSHUDWLRQPDLQWHQDQFHDQGXVH $FFRUGLQJWRWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVWKHQDWLRQDOVWDQGDUGVRUJDQLDWLRQVRIWKH IROORZLQJFRXQWULHVDUHERXQGWRLPSOHPHQWWKLV(XURSHDQ6WDQGDUG

19、$XVWULD%HOJLXP&HFK 5HSXEOLFHQPDUN)LQODQG)UDQFH*HUPDQ*UHHFH,FHODQG,UHODQG,WDO/XHPERXUJ 1HWKHUODQGV1RUZD3RUWXJDO6SDLQ6ZHGHQ6ZLWHUODQGDQGWKH8QLWHG.LQJGRP BSI 20073DJH (1 6 F R S H 7KLV(XURSHDQ6WDQGDUGDSSOLHVWRZDVWHZDWHUGUDLQDJHVVWHPVZKLFKRSHUDWHXQGHUJUDYLW,WLV DSSOLFDEOHIRUGUDLQDJHVVWHPVLQVLGHGZHOOLQJV

20、DQGFRPPHUFLDOLQVWLWXWLRQDODQGLQGXVWULDO EXLOGLQJV 7KLVWKLUGSDUWRIWKLV(XURSHDQ6WDQGDUGGHVFULEHVDPHWKRGRIFDOFXODWLQJWKHKGUDXOLFDGHTXDF RIQRQVLSKRQLFURRIGUDLQDJHVVWHPVDQGJLYHVSHUIRUPDQFHUHTXLUHPHQWVIRUVLSKRQLFURRI GUDLQDJHVVWHPV,WDOVRVHWVVWDQGDUGVIRUWKHODRXWDQGLQVWDOODWLRQRIURRIGUDLQDJHLQVRIDUDV WKHDII

21、HFWIORZFDSDFLW 7KLVSDUWRIWKLV(XURSHDQ6WDQGDUGDSSOLHVWRDOOURRIGUDLQDJHVVWHPVZKHUHWKHRXWOHWVDUH ODUJHHQRXJKQRWWROLPLWWKHIORZFDSDFLWRIWKHJXWWHULHIUHHGLVFKDUJHFRQGLWLRQV,WDSSOLHVWR DOOPDWHULDOVXVHGIRUURRIGUDLQDJHVVWHPV HWDLOHGLQIRUPDWLRQDGGLWLRQDOWRWKDWFRQWDLQHGLQWKLV6WDQGDUGPDEHREWDLQHGEUHIHUULQJWR WKH

22、WHFKQLFDOGRFXPHQWVOLVWHGLQ$QQH% BSI 20073DJH (1 1RUPDWLYHUHIHUHQFHV 7KLV(XURSHDQ6WDQGDUGLQFRUSRUDWHVEGDWHGRUXQGDWHGUHIHUHQFHSURYLVLRQVIURPRWKHU SXEOLFDWLRQV7KHVHQRUPDWLYHUHIHUHQFHVDUHFLWHGDWWKHDSSURSULDWHSODFHVLQWKHWHWDQGWKH SXEOLFDWLRQVDUHOLVWHGKHUHDIWHU)RUGDWHGUHIHUHQFHVVXEVHTXHQWDPHQGPHQWVWRRUUHY

23、LVLRQVRI DQRIWKHVHSXEOLFDWLRQVDSSOWRWKLV(XURSHDQ6WDQGDUGRQOZKHQLQFRUSRUDWHGLQLWE DPHQGPHQWRUUHYLVLRQ)RUXQGDWHGUHIHUHQFHVWKHODWHVWHGLWLRQRIWKHSXEOLFDWLRQUHIHUUHGWR DSSOLHV (1 *UDYLWGUDLQDJHVVWHPVLQVLGHEXLOGLQJV 3DUW*HQHUDODQGSHUIRUPDQFHUHTXLUHPHQWV (1 *UDYLWGUDLQDJHVVWHPVLQVLGHEXLOGLQJV 3DUW6DQLWDUSL

24、SHZRUNODRXWDQGFDOFXODWLRQ (1 *UDYLWGUDLQDJHVVWHPVLQVLGHEXLOGLQJV 3DUW,QVWDOODWLRQDQGWHVWLQJLQVWUXFWLRQVIRURSHUDWLRQPDLQWHQDQFHDQG XVH BSI 20073DJH (1 HILQLWLRQVDQGVPEROV HILQLWLRQV )RUWKHSXUSRVHVRIWKLV(XURSHDQ6WDQGDUGWKHIROORZLQJGHILQLWLRQVDSSO JXWWHUDQJOH GHYLDWLRQLQJXWWHUGLUHFWLRQ GHVLJQZDWHUGHSWK

25、 PDLPXPGHSWKRIZDWHUXQGHUGHVLJQUDLQIDOOFRQGLWLRQV GUDLQDJHOHQJWK OHQJWKRIJXWWHUIURPDVWRSHQGWRDQRXWOHWRUKDOIWKHGLVWDQFHEHWZHHQDGMDFHQWRXWOHWVLQ PLOOLPHWUHV HDYHVJXWWHU JXWWHUZKHUHDQVSLOORYHUZLOOGLVFKDUJHRXWVLGHWKHEXLOGLQJ IODWVROH VROHRIWKHJXWWHUZKLFKLVKRULRQWDOLQFURVVVHFWLRQIRUDWOHDVWWKHZLGWKRIWKHRXW

26、OHW IUHHERDUG WRWDOGHSWKRIJXWWHUPLQXVWKHGHVLJQHGZDWHUGHSWK ORQJJXWWHU JXWWHUZKRVHGUDLQDJHOHQJWKLVJUHDWHUWKDQWLPHVLWVGHVLJQZDWHUGHSWK URRIGUDLQDJHRIEXLOGLQJV DOOSLSHZRUNDQGILWWLQJVRXWVLGHDQGLQVLGHILHGWRRUSDVVLQJWKURXJKWKHEXLOGLQJVWUXFWXUH LQFOXGLQJGUDLQVEHORZWKHEXLOGLQJWRWKHSRLQWRIFRQQHFWLRQWRWKHEXUL

27、HGGUDLQDGMDFHQWWRWKH EXLOGLQJXVHGWRUHPRYHSUHFLSLWDWLRQIURPDURRI6HH6FRSHRI(1 VKRUWJXWWHU JXWWHUZKRVHGUDLQDJHOHQJWKLVQRWJUHDWHUWKDQWLPHVLWVGHVLJQZDWHUGHSWK VLSKRQLFGUDLQDJHVVWHP GUDLQDJHVVWHPLQZKLFKWKHRXWOHWVDQGSLSHZRUNHQDEOHWKHVVWHPWRIORZFRPSOHWHOIXOOXQGHU GHVLJQFRQGLWLRQVDQGPDNHXVHRIWKHWRWDOKHDGDYDL

28、ODEOHEHWZHHQWKHRXWOHWVDQGWKHGLVFKDUJH SRLQW VSLOORYHUOHYHO OHYHODWZKLFKZDWHUZLOORYHUIORZWKHJXWWHU BSI 20073DJH (1 6PEROV )RUWKHSXUSRVHVRIWKLV(XURSHDQ6WDQGDUGWKHIROORZLQJVPEROVKDYHEHHQXVHG 6PERO HVFULSWLRQ 8QLW 7HW UHIHUHQFH $ HIIHFWLYHURRIDUHD P 7DEOH $ ( IXOOFURVVVHFWLRQDODUHDRIJXWWHU PP $ : FURVVV

29、HFWLRQDODUHDRIWKHJXWWHUEHORZWKHIUHHERDUG PP $ 2 SODQDUHDRIDJXWWHURXWOHW PP )LJXUH % 5 ZLGWKRIURRIIURPJXWWHUWRULGJH P )LJXUH & UXQRIIFRHIILFLHQW GLPHQVLRQOHVV G L LQWHUQDOGLDPHWHURISLSH PP 7DEOH HIIHFWLYHGLDPHWHURIDJXWWHURXWOHW PP )LJXUH 2 DFWXDOGLDPHWHURIDJXWWHURXWOHW PP )LJXUH I ILOOLQJGHJUHHRIUDLQ

30、ZDWHUSLSHZKLFKLVHTXDOWRWKH SURSRUWLRQRIFURVVVHFWLRQRIUDLQZDWHUSLSHILOOHGZLWK ZDWHU GLPHQVLRQOHVV 7DEOH ) G GHSWKIDFWRU GLPHQVLRQOHVV )LJXUH ) K RXWOHWKHDGIDFWRU GLPHQVLRQOHVV )LJXUH ) / FDSDFLWIDFWRUIRUORQJDQGVORSLQJJXWWHUV GLPHQVLRQOHVV 7DEOH ) V VKDSHIDFWRU GLPHQVLRQOHVV )LJXUH K KHDGDWRXWOHW PP 7

31、DEOH + 5 KHLJKWRIURRIIURPJXWWHUWRULGJH P )LJXUH K G ZDWHUGHSWKLQGUDLQ PP DQQH& L SLSHRUJXWWHUJUDGLHQW GLPHQVLRQOHVV DQQH& N E HIIHFWLYHSLSHURXJKQHVV PP 7DEOH N 2 RXWOHWFRHIILFLHQW GLPHQVLRQOHVV 7DEOH / GUDLQDJHOHQJWKRIJXWWHULHOHQJWKRIJXWWHUIURPD VWRSHQGWRDQRXWOHWRUKDOIWKHGLVWDQFHEHWZHHQWZR DGMDFHQWR

32、XWOHWV PP 7DEOH / 5 OHQJWKRIURRIWREHGUDLQHG P )LJXUH / 6 OHQJWKRIVXPS PP )LJXUH / . OHQJWKRIWDSHURIDJXWWHURXWOHW PP )LJXUH / : OHQJWKRIZHLURYHUZKLFKZDWHUFDQIORZ PP DQG )LJXUH 4 UDWHRIIORZRIZDWHU OV 4 G GUDLQFDSDFLW OV DQQH& 4 / GHVLJQFDSDFLWRIVKRUWJXWWHUODLGOHYHO OV 4 1 QRPLQDOFDSDFLWRIJXWWHU OV 4 2

33、 WRWDOIORZWRDQRXWOHWFDOFXODWHGRQDUHDGUDLQHG PXOWLSOLHGEWKHUDLQIDOOLQWHQVLW OV 7DEOH BSI 20073DJH (1 6PERO HVFULSWLRQ 8QLW 7HW UHIHUHQFH 4 5:3 FDSDFLWRIDUDLQZDWHUSLSH OV 7DEOH 4 6( FDSDFLWRIDQHTXLYDOHQWVTXDUHHDYHVJXWWHU OV DQG )LJXUH 4 69 FDSDFLW RI DQ HTXLYDOHQW VTXDUH YDOOH RU SDUDSHW JXWWHU OV 5 L

34、VWKHUDGLXVRIDJXWWHURXWOHW PP )LJXUH U UDLQIDOOLQWHQVLW OV P 6 ZLGWKRIJXWWHUDWVROH PP )LJXUH 7 ZLGWKRIJXWWHUDWGHVLJQDWHGZDWHUOLQH PP )LJXUH 7 5 GLVWDQFHIURPJXWWHUWRULGJHPHDVXUHGDORQJWKHURRI P )LJXUH 3 ZHWWHGSHULPHWHU PP DQQH$ Y IORZYHORFLW PV DQQH& : GHVLJQZDWHUGHSWK PP )LJXUH = WRWDO GHSWK RI JXWWHU

35、 WR VSLOORYHU OHYHO LQFOXGLQJ IUHHERDUG PP )LJXUH n NLQHPDWLFYLVFRVLWRIZDWHU P V DQQH& 5XQRIIFDOFXODWLRQV 4XDQWLWRIUDLQZDWHUUXQRII 7KHUDWHRIIORZRIUDLQZDWHUWREHGUDLQHGDZDIURPDURRIXQGHUVWHDGVWDWHFRQGLWLRQVVKDOOEH FDOFXODWHGIURPHTXDWLRQ 4 U $ & ZKHUH 4 LVWKHUDWHRIIORZRIZDWHULQOLWUHVSHUVHFRQGOV U LVWKHU

36、DLQIDOOLQWHQVLWLQOLWUHVSHUVHFRQGSHUVTXDUHPHWUHOV P $ LVWKHHIIHFWLYHURRIDUHDLQVTXDUHPHWUHVP & LVDUXQRIIFRHIILFLHQWWDNHQDVXQOHVVQDWLRQDODQGORFDOUHJXODWLRQVDQG SUDFWLFHVWDWHRWKHUZLVHGLPHQVLRQOHVV BSI 20073DJH (1 5DLQIDOOLQWHQVLW U :KHUHWKHUHLVDGHTXDWHVWDWLVWLFDOUDLQIDOOGDWDUHODWHGWRWKHIUHTXHQFRIUHFXUUH

37、QFHRIVWRUPVRI VSHFLILFLQWHQVLWDQGGXUDWLRQWKHUDLQIDOOLQWHQVLW UXVHGLQHTXDWLRQVKDOOEHFKRVHQZLWKGXH UHJDUGWRWKHQDWXUHDQGXVHRIWKHEXLOGLQJDQGDSSURSULDWHWRWKHGHJUHHRIULVNWKDWFDQEH DFFHSWHG:KHUHVWDWLVWLFDOUDLQIDOOGDWDLVXVHGFODXVHVKDOOQRWDSSO :KHUHVWDWLVWLFDOUDLQIDOOGDWDGRHVQRWHLVWDPLQLPXPUDLQIDOOLQWHQVLWXV

38、HGDVDEDVLVIRUGHVLJQ VKDOOEHFKRVHQIURPWKHLQWHQVLWLHVOLVWHGLQ7DEOHDSSURSULDWHWRWKHFOLPDWHDWWKHORFDWLRQRIWKH EXLOGLQJDQGLQDFFRUGDQFHZLWKQDWLRQDODQGORFDOUHJXODWLRQVDQGSUDFWLFH7KHPLQLPXPUDLQIDOO LQWHQVLWVKDOOEHPXOWLSOLHGEDULVNIDFWRUJLYHQLQ7DEOHWRJLYHWKHUDLQIDOOLQWHQVLW UWREHXVHG LQHTXDWLRQXQOHVVQDWLRQDOD

39、QGORFDOUHJXODWLRQVDQGSUDFWLFHVWDWHRWKHUZLVH 7DEOH5DLQIDOOLQWHQVLWUDWHV 5DLQIDOOLQWHQVLW OV P 7DEOH5LVNIDFWRUV 6LWXDWLRQ 5LVN IDFWRU (DYHVJXWWHUV (DYHVJXWWHUVZKHUHZDWHURYHUIORZLQJZRXOGFDXVHSDUWLFXODULQFRQYHQLHQFHHJ RYHUHQWUDQFHVWRSXEOLFEXLOGLQJV 1RQHDYHVJXWWHUVDQGLQDOORWKHUFLUFXPVWDQFHVZKHUHDEQRUPDOO

40、KHDYUDLQRU EORFNDJHLQWKHURRIGUDLQDJHVVWHPFRXOGFDXVHZDWHUWRVSLOORYHULQWRWKH EXLOGLQJ )RUQRQHDYHVJXWWHUVLQEXLOGLQJVZKHUHDQHFHSWLRQDOGHJUHHRISURWHFWLRQLV QHFHVVDUHJ KRVSLWDORSHUDWLQJWKHDWUHV FULWLFDOFRPPXQLFDWLRQVIDFLOLWLHV VWRUDJHIRUVXEVWDQFHVWKDWJLYHRIIWRLFRUIODPPDEOHIXPHVZKHQZHW EXLOGLQJVKRXVLQJRXWV

41、WDQGLQJZRUNVRIDUW BSI 20073DJH (1 (IIHFWLYHURRIDUHD $ 1RDOORZDQFHVKDOOEHPDGHIRUWKHHIIHFWVRIZLQGZKHQFDOFXODWLQJWKHHIIHFWLYHURRIDUHDXQOHVV QDWLRQDODQGORFDOUHJXODWLRQVDQGSUDFWLFHVWDWHRWKHUZLVH :KHUHQRDOORZDQFHLVPDGHIRUZLQGWKHHIIHFWLYHURRIDUHDVKDOOEHFDOFXODWHGIURPHTXDWLRQ $ / 5 % 5 ZKHUH $ LVWKHHIIHFWLYHURRIDUHDLQVTXDUHPHWUHVP / 5 LVWKHOHQJWKRIURRIWREHGUDLQHGVHH)LJXUHLQPHWUHVP % 5 LVWKHZLGWKRIURRIIURPJXWWHUWRULGJHVHH)LJXUHLQPHWUHVP