1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationPreservation of wood Code of practiceBS 8417:2011Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/05/2011 07:29, Uncontrolled Copy, (c) BSIBS 8417:2011 BRITISH STANDARDP
2、ublishing and copnullright infornullationThe BSI copyright notice displayed in this docnullnullent indicates nullhen the docnullnullent nullas last issnullednullnull BSI 2011ISBN null78 0 null80 nullnull741 8InullS 71null100nullnull0The nullollonulling BSI renullerences relate to the nullornull on t
3、his standard: nullonullnullittee renullerence Bnullnull1null Dranullt nullor conullnullent 10nullnull0212804 DnullPublication histornullnullirst pnullnulllished as DD 2nullnull nullnullly 1nullnull8nullirst pnullnulllished as BS 8417 nullay 200nullSecond nullpresentnull editionnull nullarch 2011null
4、nullendnullents issued since publicationnullate nullenullt affected Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/05/2011 07:29, Uncontrolled Copy, (c) BSInull BSI 2011 null iBS 8417:2011BRITISH STANDARDContentsnullorenullord iii1 Scope 12 Nornullatinulle renullerences 1null Ternulls and
5、 denullnitions 24 Deternullining the need nullor treatnullent 2null Specinullying treatnullent onull nullood 6null nullresernullatinulle treatnullent onull nullood 77 Sanullpling and testing 9nullnnenullesAnnenull A nullinnullornullatinullenull The deternullination onull presernullatinulle retention
6、 nullRnull 16Binullliography 17nullist of tablesTanullle 1 null nullse class and typical sernullice sitnullations 3Tanullle 2 null Sernullice nullactors 4Tanullle null null Natnullral dnullranullility reconullnullendations nullor tinullnuller conullponents nullnullased on natnullral dnullranullility
7、 against nullnullngi ginullen in BS nullN nullnull0null2null 5Tanullle 4 null Treatnullent nullsing presernullatinulles tested in accordance nullith BS nullN nullnullnullnull1 11Tanullle null null Treatnullent nullsing anullnulleonulls solnulltions onull nulloron conullponullnds connullornulling to
8、Appendinull 1 onull the nullnullA nullannullal nullN1null 13Tanullle null null Treatnullent nullsing creosote connullornulling to BS nullN 1nullnullnull1 14Tanullle 7 null Snullnullnullary onull penetration classes and analytical nullones nullor deternullination onull retention in accordance nullith
9、 BS nullN nullnull1null1 15Sunullnullarnull of pagesThis docnullnullent conullprises a nullront conullernull an inside nullront conullernull pages i to inullnull pages 1 to 18null an inside nullacnull conuller and a nullacnull conullernullLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/05/
10、2011 07:29, Uncontrolled Copy, (c) BSIBS 8417:2011ii null null BSI 2011BRITISH STANDARDThis page deliberately left blankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/05/2011 07:29, Uncontrolled Copy, (c) BSInull BSI 2011 null iiiBS 8417:2011BRITISH STANDARDnullorewordPublishing infornull
11、ationThis British Standard is pnullnulllished nully BSI and canulle into enullnullect on null1 nullarch 2011null It nullas prepared nully Technical nullonullnullittee Bnullnull1nullnull Wood Preservationnull A list onull organinullations represented on this conullnullittee can nulle onulltained on r
12、enullnullest to its secretarynullSupersessionThis British Standard snullpersedes BS 8417:200nullnullA1:2007 and BS 1282:1nullnullnullnull nullhich are nullithdranullnnullnullelationship with other publicationsThis British Standard is one onull a gronullp onull docnullnullents dealing nullith the pre
13、sernullatinulle treatnullent onull nulloodnull It is nullased on the principles ginullen in BS nullN nullnullnullnull1null BS nullN nullnull1null1 and BS nullN nullnullnullnull1 denulleloped to snullpport prodnullct standards nullandated nully the nullonstrnullction nullrodnullcts Directinulle null1
14、nullnull This standard is the national interpretatinulle docnullnullent nullor BS nullN nullnullnullnull1 and BS nullN nullnull1null1null and is intended to pronullide conullplenullentary innullornullation that is relenullant to the nullood treater and to the specinuller or pnullrchaser onulltreated
15、 nullood nullor nullse in the nullnited nullingdonullnullnullnfornullation about this docunullentThis is a nullnullll renullision onull the standard and introdnullces the nullollonulling principal changes:anull reconullnullendations nullor the application onull presernullatinulles connullornulling t
16、o BS 4072 and BS null707 are onullitted as these nullaterials are nonulllargely nullnanullailanulllenullnullnull nullRnull nullthe lonullest appropriate lenullel onull presernullatinulle retentionnullnullnullnullalinulled nully a nnullnullnuller identinullying the relenullant nullse classnull replac
17、es nullcnullnull nullthe critical nullalnulle derinulled nullronull tests in BS nullN nullnullnullnull1null as the designator onull presernullatinulle retention in Tanullle 4nullcnull the reconullnullendation nullor the acceptanullle nullnullality lenullel nullor resistant nullood to nulle nullsed i
18、n nullse class 4 and nullse class null has nulleen nullpdatednullnullse of this docunullentAs a code onull practicenull this British Standard tanulles the nullornull onull gnullidance and reconullnullendationsnull It shonullld not nulle nullnulloted as inull it nullere a specinullcation and particnu
19、lllar care shonullld nulle tanullen to ensnullre that clainulls onull conullpliance are not nullisleadingnullAny nullser clainulling conullpliance nullith this British Standard is enullpected to nulle anullle to nullnullstinully any conullrse onull action that denulliates nullronull its reconullnull
20、endationsnullIt has nulleen assnullnulled in the preparation onull this British Standard that the enullecnulltion onull its pronullisions nullill nulle entrnullsted to appropriately nullnullalinulled and enullperienced peoplenull nullor nullhose nullse it has nulleen prodnullcednullPresentational co
21、nventionsThe pronullisions in this standard are presented in ronullan nullinullenull nullprightnulltypenull Its reconullnullendations are enullpressed in sentences in nullhich the principal anullnulliliary nullernull is nullshonullldnullnullCommentarynull enullplanation and general informative mater
22、ial is presented in smaller italinull typenull and does not nullonstitnullte a normative elementnullLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/05/2011 07:29, Uncontrolled Copy, (c) BSIBS 8417:2011inull null null BSI 2011BRITISH STANDARDContractual and legal considerationsThis pnullnul
23、llication does not pnullrport to inclnullde all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullConullpliance with a British Standard cannot confer inullnullunitnull fronulllegal obligationsnullLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA
24、 STANDARDS, 18/05/2011 07:29, Uncontrolled Copy, (c) BSInull BSI 2011 null 1BS 8417:2011BRITISH STANDARD1 ScopeThis British Standard ginulles reconullnullendations and gnullidance nullor the presernullatinulle treatnullent onull nullood to pronullide protection against nulliodeterioration in endnull
25、nullse sitnullationsnull It ginulles reconullnullendations nullor deternullining the need nullor treatnullent and specinullying the type onulltreatnullentnullIt also reconullnullends lenullels nullor the penetration and retention renullnullirenullents onull presernullatinulles tested to BS nullN nul
26、lnullnullnull1 and nullor nulloron and creosote presernullatinullesnull nullsing the ternullinology nullsed in BS nullN nullnull1null1nullnullor dinullnullerent tinullnuller conullponents and tanulles into acconullnt the natnullral dnullranullility and treatanullility onull the nullood enullployednu
27、ll the nullse class as denullned in BS nullN nullnullnullnull1 and the desired sernullice linullenull It also pronullides gnullidance on estanulllishing nullhether a specinulled lenullel onull treatnullent has nulleen achienullednullThis British Standard does not inclnullde precise treatnullent para
28、nulleters to achienulle the reconullnullended penetrations and retentionsnull It is the responsinullility onull the treater to nullse nullood in an appropriate condition and to nullse an appropriate treatnullent schednullle to achienulle the reconullnullended nullalnullesnullThis British Standard ap
29、plies only to solid nulloodnull inclnullding glnulled lanullinated nulloodnull It does not apply to panel prodnullctsnull as no nullnullropean standards hanulle nulleen pnullnulllished on the presernullation onull these prodnullctsnullThis British Standard does not apply to nulloodnull nullhich has
30、nulleen nullodinulled nully physicalnull nulliological or nonnullnulliocidal chenullical techninullnulles in order to enhance its pernullornullancenullThis British Standard does not apply to cnullratinulle treatnullentsnullnullnullTnull nullnly preservatives approved nullnder the Control of Pestinul
31、lides nullegnulllations 19null6 nullas amendednull null2null or anullthorinulled nullnder the nullionullidal Prodnullnullts nullegnulllations 2nullnull1 null3null are permitted for the treatment of nullood in the nullnited nullingdomnull2 nullornullative referencesThe nullollonulling renullerenced d
32、ocnullnullents are indispensanullle nullor the application onull this docnullnullentnull nullor dated renullerencesnull only the edition cited appliesnull nullor nullndated renullerencesnull the latest edition onull the renullerenced docnullnullent nullinclnullding any anullendnullentsnull appliesnu
33、llBS nullN nullnullnullnull1null nullnullrability of nullood and nulloodnullbased prodnullnullts null nullenullnitions of nullse nulllasses null Part 1null nulleneralBS nullN nullnull0null2null nullnullrability of nullood and nulloodnullbased prodnullnullts null nullatnullral dnullrability of solid
34、nullood null Part 2null nullnullide to natnullral dnullrability and treatability of selenullted nullood spenullies of importannulle in nullnullropeBS nullN nullnull1null1null nullnullrability of nullood and nulloodnullbased prodnullnullts null Preservative treated solid nullood null Part 1null Class
35、inullnullation of preservative penetration and retentionBS nullN nullnull1null2null nullnullrability of nullood and nulloodnullbased prodnullnullts null Preservative treated solid nullood null Part 2null nullnullidannulle on sampling for the analysis of preservativenulltreated nulloodBS nullN nullnu
36、llnullnull1null nullnullrability of nullood and nulloodnullbased prodnullnullts nullPerformannulle of preservatives as determined by biologinullal tests null Part 1nullnullpenullinullnullation anullnullording to hanullard nulllassBS nullN 1null18null nullall partsnullnull nulloistnullre nullontent o
37、f a pienulle of sanulln timberLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/05/2011 07:29, Uncontrolled Copy, (c) BSIBS 8417:20112 null null BSI 2011BRITISH STANDARDBS nullN 1nullnullnull1null nullerivatives from nulloal pyrolysis null Coal tar based oilsnullCreosotes null nullpenullinul
38、lnullations and test methodsnullN1null nullnullnullD nullRnullTnullnullTInullN ASSnullnullIATInullNnull WPnull nullannullal null nullndnullstrial nullood preservation null nullpenullinullnullation and Pranulltinullenull nullastlenullord: nullnullAnull 2007nullnull nullernulls and denullnitionsnullor
39、 the pnullrposes onull this British Standard the ternulls and denullnitions ginullen in BS nullN nullnull1null1 and the nullollonulling applynullnullnull1 acceptable nullualitnull level nullnullnullnullnullnullanullinullnullnull percentage onull nullnits in a nullatch onull treated nullood nullhich
40、is allonulled to nullall nullelonull the specinulled penetration nullithonullt canullsing the nullatch to nulle renullectednullnull2 critical value nullcvnullnullalnulle enullnullinullalent to the highest nulliological renullerence nullalnulle nullin granulls per snullnullare nulletre or nullilogran
41、ulls per cnullnullic nulletrenull onulltained nullronull all the nulliological tests carried onullt in accordance nullith BS nullN nullnullnullnull1 nullor any ginullen nullse classnullnullTnull The nullritinullal valnulle nullill vary anullnullording to nullse nulllassnull method of applinullation
42、and organisms against nullhinullh the preservative is to provide protenulltion and nullhether it is to be applied to softnullood or hardnulloodnullnullBS nullN 1001null2:200nullnull 4null18nullnullnullnull penetration renulluirenullent nullininullnullnull depth to nullhich the actinulle ingredientnu
43、llsnull onull the nullood presernullatinulle is nullarenull renullnullired to penetrate the nulloodnullBS nullN 1001null2:200nullnull 4nullnullnullnullnullnullTnull The term nullpenetration renullnullirementnull relates to the treatment spenullinullnullation nullsee Clanullse 5 and Clanullse 6null r
44、ather than a provision of this standardnullnullnull4 retention renulluirenullentloading onull the nullood presernullatinulle prodnullct that is renullnullired in the analytical nullonenullnullTnull 1 The retention renullnullirement is enullpressed in grams of prodnullnullt per snullnullare metre for
45、 snullpernullnullial applinullation pronullesses and kilograms of prodnullnullt per nullnullbinull metre for penetrating treatment pronullessesnull nullt is derived from the nullritinullal valnulle in different nullays depending nullpon the partinullnulllar test involvednullnullBS nullN 1001null2:20
46、0nullnull 4null7nullnullnullnullTnull 2 The term nullretention renullnullirementnull relates to the treatment spenullinullnullation nullsee Clanullse 5 and Clanullse 6null rather than a provision of this standardnull4 nulleternullining the need for treatnullent4null1 nulleneralTo deternulline nullhe
47、ther a tinullnuller conullponent needs presernullatinulle treatnullentnull the nullollonulling shonullld nulle assessed:null the nulliological hanullard indicated nully the nullse classnullnull the linullelihood and consenullnullence onull nullailnullrenullnull the inherent natnullral dnullranullili
48、ty onull the nullood to nulle nullsednullLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 18/05/2011 07:29, Uncontrolled Copy, (c) BSInull BSI 2011 null nullBS 8417:2011BRITISH STANDARD4null2 nullse classesnullse classes shonullld nulle identinulled in accordance nullith Tanullle 1: this tanul
49、lle snullnullnullarinulles the nullse class systenull and ginulles enullanullples onull typical sernullice sitnullationsnullnullnullTnull 1 The different servinulle sitnullations in nullhinullh nullood nullan be nullsed have been nullategorinulled into nullve nullse nulllasses denullned in nullnull nullnull 335null1nullAs dinullnullerent nulliological agents onull nullood deterioration occnullr in dinullnullerent nullse classesnull nullood shonullld either hanulle natnullral dnullranullilitynull or nulle treated nullith a presernullatinullenull appropriate to the ginullen nullse class nulls