इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 7436-2 (1997): Guide for types of measurements for structures in river valley projects and criteria for choice and location of measuring instruments, Part 2: Concrete and masonry dams [WRD 16: Hydraulic Structures Instrumentation] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” , u IS 7436 (Part 2) : 1997 Indian ‘Standard GUIDE FOR TYPES OF MEASUREMENTS FOR STRUCTURES IN RIVER VALLEY PROJECTS AND CRITERIA FOR / CHOICE AND LOCATION OF MEASURING INSTRUMENTS PART 2 CONCRETE AND MASONRY DAMS ( First Revision ) I SCI 93.160 @ SIB 1997 BUREAU OF INDIAN STANDARDS ML4NAK ,NAVAHB 9 RUDAHAB HAHS RAFAZ MARG WEN IHLED 110002 1997 Price Group 5 JLGW ciluardyH serutcurtS noitatnemurtsnI lanoitceS ,eettimmoC RVD 16 FOREWORD sihT naidnI dradnatS tsriF( )noisiveR was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht ciluardyH serutcurtS noitatnemurtsnI lanoitceS eettimmoC had neeb devorppa yb eht reviR yellaV noisiviD .licnuoC Dams and detaler skrow era tliub ot last ynam ,sedaced and mrof yek serutcurts ot eht tnempoleved fo revir basin laitnetop rof ,noitagirri retaw ,ylppus doolf ,lortnoc ,noitagivan noitaercer and rewop -areneg .noit tnerehnI ni eht riovreser retaw egarots era suodnemert secrof hcihw eht dam is detcepxe ot withstand tuohguorht its lanoitarepo .efil noitaredisnoC fo eht disastrous tceffe fo eht eruliaf fo a dam ni smret fo ssol fo efil and ytreporp and eht noitagen fo dennalp stifeneb fo eht ,tcejorp ekam ti evitarepmi that snaem dluohs eb elbaliava ni eht dam rof gnidivorp noitamrofni no deunitnoc ecnarussa fo its .ytefas ehT tnetxe fo lanretni distress ni a dam tonnac syawla eb yltcerid .derusaem ,revewoH citsongaid serudecorp era elbaliava hcihw nac pleh ni gniyfitnedi tsom .stnemlia yeX ot eseht serudecorp is evitceffe ,noitatnemurtsni hcihw is a lativ trap fo dam .ngised stnemurtsnI yllacigetarts detnalpmi ni lativeht senoz nac edivorp lufgninaem .seulc ehT sevltccjbo fo noitatnemurtsni era .dlofinam ehT stnemurtsni deddebme ni ro dellatsni at eht ecafrus fo dams and rehto ciluardyh serutcurts peek a tnatsnoc hctaw revo rieht ecnamrofrep ni ecivres and etacidni eht distress stops hcihw llac rof laidemer .serusaem suhT eseht stnemurtsni yalp an tnatropmi elor ni gnikcehc eht ytefas fo eht .erutcurts snoitavresbO morf eh.l stnemurtsni mrof a evitalumuc fo~drocer eht larutcurts .ruoivaheb ehT yduts fo larutcurts ruoivaheb sedivorp an tnatropmi aid ni gniyfidom ylerup laciteroeht tnemtaert os as ot edulcni eht tceffe fo lautca dleif .snoitidnoc tsoM ciluardyh serutcurts era tliub no rehtar evitavresnoc assump- snoit ot edivorp rof eht ’snwonknu‘ ni eht .ngised snoitavresbO morf eht noitatnemurtsni pleh ecuder eseht ’snwonknu‘ and ecalp eht erutuf designs no rednuos .sgnitoof ehT noitamrofni deniatbo hguorht stnemerusaem setomorp eht gnidnatsrednu fo eht ecneulfni fo suoirav sretemarap no eht larutcurts ruoivaheb and sdael 10 noitalumrof fo erom citsilaer ngised .airetirc suoiraV wen ro deifidom noitcurrsnoc seuqinhcet ekil dellor etercnoc noitcurtsnoc era gnieb .devlove ,revewoH cscht seuqinhcet era ton detpecca yb eht sreenigne llit rieht gnol mret ecnamrofrep is .devorp ehT snoitavresbo morf stnemurtsni pleh ot etaulave eht ytilibatius ro esiwrehto fo eht wen deifidom .seuqinhcet ynaM dams, ylralucitrap redlo ,seno era deifidom ot wolla rof desaercni ,yticapac desaercni ytefas ro no tnuocca fo emos seicneiciffe .deton noitarnemurtsnT ,sgnidaer elbaliava erofeb and retfa eht -acifidom ,snoit lliw pleh ot ’iliralc and etacidni rehtehw eht laidemer snoitca erew evitceffe ro .esiwrehto ehT noitidnoc fo dam and its llarevo ytefas has ot eb dekcehc ylraluger ton ylerem ot yfsitas eht reenigne ytinummoc tub osla ot etartsnomzd ot eht cilbup at egral that eht dam is efas gnimrofrep ni ecnadrocca htiw. eht ngised assuniplions. Masons is a su>lcii:tgorelch lairetam and ereht is yrev elttil ecneirepxe fo noitatnemurtsni ni .ti ,rehtruF ,sej’rcporp hcus as ;\~’ccrc ,evisserpmoc laruxelf and elisnet ;shtgnerts suludom fo ;yticitsale and lamreht scitrcporp tonnac cb CA: yli deniatrecsa ni eht esac fo yrnosam dam .noitcurtsnoc ehT noitatnemurtsni has, ,erofcrcht snoitatimil as raf as yrnosam dams era .denrecnoc ,revewoH as ecneirepxe fo -nemurtsni noil1:t ni yrnosam dam:. is ,deniag retteb aedi nac eb had gnidrager eht esu and ytilitu fo noitatnemurtsni ni yrnosam dams. cihT standard was 1;+rif dehsilbiep ni 1976. ehT noisiver fo eht standard has neeb nekat up ot etaroprocni niatrec ;:egnahc dnuof .yrassec:cn evitcejbO fo noitatnemurtsni has neeb .degralne euD ot revo -resnoc evitav ngised fo dams ni a cimsies ,enoz laiceps emphasis has neeb nevig no cimsies .noitatnemurtsni nI eht noitalumrof fo this standard eud egathgiew has neeb nevig ot lanoitanretni noitanidro-oc gnoma ’eht standards and se:lit:carp gniliaverp ni tnereffid seirtnuoc ni noitidda ot gnitaler ti ot eht secitcarp ni eht !kcil ni this .‘:;rlnuoc roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif ,eulav devresbo ro detaiuclac gnisserpxe eht tluser fo tset ro ,sisylana shall eb dednuor ffo ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav .‘)deitver( ehT rebmun fo tnacifingis secalp deniater ni eha dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard. traP( IS 7436 2) : 1997 Indian Standard GUIDEFORTYPESOFMEASUREMENTS FORSTRUCTURESINRIVERVALLEY PROJECTSANDCRITERIAFOR CHOICEAND LOCATIONOFMEASURING INSTRUMENTS PART 2 CONCRETE AND MASONFWDAMS ( First Revision ) 1 IIPOCS IS No. Title traP( )2 : 1996 gnitarbiV eriw epyt llec sihT standard traP( )2 syal nwod eht sepyt fo -saem stnemeru deen ot eb enod ni etercnoc dams and 13073 edoC fo ecitcarp rof ,noitallatsni yrnosam dams ni revir yellav .stcejorp airetirC rof traP( )1 : 1991 ecnanetniam and noitavresbo fo eciohc and noitacol fo eht deriuqer gnirusaem tnemecalpsid gnirusaem secived stnemurtsni era osla .nevig rof etercnoc and yrnosam dams: traP 1 noitcelfeD tnemerusaem ETON - sliateD fo ,snoitacificeps ,noitatnemurtsni using bmulp senil ecnanetniam dna noitavresbo fo laudividni stneinurtsni lliw eb derevoc yb etarapes .sedoc 13232 : 1992 edoC fo ecitcarp rof ,noitallatsni ecnanetniam and noitavresbo fo SECNEREFER 2 lacirtcele strain gnirusaem ecived ni etercnoc dams 2.1 ehT naidnI Standards detsil woleb era -secen yras stcnujda ot this standard: 3 YROTAGILBO AND LANOITPO STNEMERUSAEM IS No. Title 4967 : 1968 snoitadnemmoceR rof cimsies 3.0 oN lareneg elur nac eb nevig rof eht epyt fo noitatnemurtsni rof revir yellav stnemerusaem ot eb edam at dams as yeht era fo stcejorp ynam kinds, evah tnereffid etis snoitidnoc and evah tnereffid .smelborp nevE neht emos kinds fo -saem 5225 : 1992 J?bolorocteM - ,eguagniaR non stnemeru era yrotagilbo rof all etercnoc dams elihw gnidrocer (first revision) era-srehto .lanoitpo 5235 : 1992 ygoloroeteM - Raingauges, gnidrocer noitacificeps 3.1 yrotagilbO stnemerusaeM 6524 : 1972 edoC fo ecitcarp rof noitallatsni ehT gniwollof stnemerusaem era yrotagilbo rof all and noitavresbo fo stnemurtsni dams : rof erutarepmet tnemerusaem tfilpU erusserp at eht esab fo eht dam at a >a edisni dams - ecnatsiseR epyt tneiciffus rebmun fo esrevsnart ;snoitces sretemomreht egapeeS otni eht dam and gniraeppa ‘b) 8282 edoC fo ecitcarp rof ,noitallatsni maertsnwod ;morf-ereht ecnanetniam and noitavresbo fo erutarepmeT fo eht roiretni fo eht dam; and lC erop erusserp gnirusaem secived tnemecalpsiD stnemerusaem - tpecxE rof ni etercnoc and yrnosam dams: 4 yrev small serutcurts fo( thgieh 20 m and traP( )1 : 1976 lacirtcelE ecnatsiser epyt llec 3 IS 7436 (Part 2) : 1997 woleb ton gnivlovni yna noitadnuof -moc retaw semoceb yduolc ro ,deruolocsid sniatnoc -ni .)snoitacilp desaerc seititnauq fo ,tnemides ro segnahc yllacidar tnemecalpsiD stnemerusaem dluohs -ni ni lacimehc ,tnetnoc a ylekil suoires egapees -borp edulc eno ro erom fo eht gniwollof sepyt fo mel is .detacidni stnemerusaem- : 4.2.2 tI is yramotsuc ot edivorp tuorg niatruc raen ).3 esohT denimreted yb dednepsus bmulp eht maertspu ecaf fo eht dam. ,sediseB a eganiard ;senil niatruc ni eht noitadnuof and suorop niard ni eht )2 esohT denimreted yb citedoeg -saem ydob fo eht dam era dedivorp ot tpecretni yna stnemeru erehw detnarraw yb eht -mi egapees that passes hguorht eht tuorg niatruc and ecnatrop fo eht ;erutcurts hguorht eht ydob fo eht dam .ylevitcepser Meas- )3 esohT denimreted yb deddebme -siser tnemeru fo egapees retaw htiwgnola tfilpu -saem ecnat sretemtnioj at noitcartnoc stnioj tnemeru at eht enalp fo tcatnoc fo eht dam and its erehw gnituorg is deriuqer ot eb .enod noitadnuof lliw evig tcerid noitacidni fo eht 3.2 Optional Measurements ssenevitceffe fo eht tuorg niatruc and eganiard -ruc tain and lliw etacidni rehtehw yna laidemer The gniwollof stnemerusaem era lanoitpo and yam serusaem era .yrassecen ehT lacimehc sisylana fo eb nekatrednu erehw detnarraw yb laiceps -ric eht egapees retaw hguorht eht noitadnuof eganiard secnatsmuc fo .tcejorp esehT dluow eb laicifeneb metsys lliw pleh ni assessing rehtehw yna -adnuof rof hgih dams, rof serutcurts fo unusual ,ngised rof noit lairetam is gnieb washed .tuo serutcurts erehw unusual ro luftbuod snoitadnuof ,tsixe rof eht noitacifirev fo ngised airetirc and rof 4.2.3 esiwekiL eht quantum fo retaw passing gnitceffe tnemevorpmi ni erutuf :sngised hguorht detuorgnu noitcartnoc stnioj ro skcarc dluow etacidni tuoba eht pihsnamkrow ni lareneg )a ssertS as osla yna egamad that thgim evah neeb desuac ot )b niartS eht seals ni eht noitcartnoc .stnioj ehT lacimehc )c eroP erusserp (as tcnitsid morf tfilpu -serp sisylana fo eht retaw ni eht esac fo yrnosam dam ,)erus and yam eb evitacidni fo yna elbissop gnihcael noitca no eht ratrom desu ni eht noitcurtsnoc fo eht yrnosam )d yticimsieS fo eht aera and cimanyd -carahc dam. evitcerroC serusaem hcus as gnituorg fo dam citsiret fo eht .erutcurts and ,noitadnuof sediseb gnivorpmi gnitsixe euD ot reve gnisaercni dnamed fo ,rewop emphasis eganiard ro gnidivorp lanoitidda eganiard dluoc has neeb laid ot tcurtsnoc egral ezis fo ordyh thus eb .dennalp cirtcele tcejorp htiw yrev hgih dam. With eht 4.2.4 teW stops ro egapees gniraeppa at wen ro tneserp ,dnert dam setis era rehtien yllacigoloeg dennalpnu snoitacol at eht stnemtuba ro laedi ron yllacimsies elbatius as tsom fo eht tseb maertsnwod fo a dam dluoc osla etacidni a egapees setis evah ydaerla neeb deredisnoc rof eht .esoprup .melborp tnemerusaeM egapees-fo maertsnwod fo euD ot this nosaer esoht stnemerusaem that erew eht tuorg niatruc sedivorp a tcerid noitacidni fo eht deredisnoc lanoitpo at eht emit fo gnimarf this edoc ycauqeda and ssenevitceffe fo eht tuorg ,niatruc yam emoceb yrotagilbo won rof hgih dams yllaiceps eganiard niatruc and gninoitcnuf fo eht drains and ni eht nayalamiH .noiger seloh ot ediced nehw and erehw laidemer serusaem 4 SEPYT OF MEASUREMENTS yam eb .deriuqer 4.1 Measurement of Uplift Pressure 4.3 Measurement of Temperature tI is tnatropmi ot enimreted eht edutingam fo yna 4.3.1 Measurement of Temperature during ciluardyh erusserp at esabeht fo a dam. ehT tceffe Construction fo tfilpu no a dam is ot ecuder its evitceffe thgiew roF etercnoc ytivarg dams ti is yrev tnatropmi ot no tnuocca fo gnitluser .ycnayoub wonk eht cimreht snoitairav ni eht dam gnirud its 4.2 Measurement of Seepage noitcurtsnoc hcihw selbane ot enimreted rehtehw eht etercnoc gnittes ssecorp is lamron ro .esiwrehto 4.2.1 egapeeS is, ,yldetbuodnu eht tseb rotacidni fo oT eveihca this ,esoprup erutarepmet gnirusaem eht llarevo ecnamrofrep fo a dam esuaceb this secived era deddebme nihtiw eht dam ydob and osla stcelfer eht ecnamrofrep fo eritne dam and ton just detnuom no eht ecafrus gnidrocca ot a -retederp eht noitidnoc at etercsid detnemurtsni .stniop ynA denim plan lufesurof .snoitavresbo ynA lamronba neddus egnahc ni eht ytitnauq fo egapees tuohtiw gnittes ssecorp detacidni yb erutarepmet -bo tnerappa ,esuac hcus as a gnidnopserroc egnahc ni snoitavres yam dael ot a egnahc ni eht etercnoc tfil eht riovreser level ro a yvaeh ,llafniar dluoc etacidni ,thgieh and osla segnahc ni eht tnemtaert fo -ga a egapees .melborp ,ylralimiS nehw eht egapees 2 SI 7436 (Part 2) : 1997 setagerg erofeb gnitercnoc and fo eht mass etercnoc sevlovni lacitrev and latnoziroh tnemecalpsid fo gnirud .gniruc trap fo noitadnuof htiw tcepser ot dam. 4.3.2 4.4.4 Mensurement of Temperatilre of the Dam Displacement of One Part of the Dam Relative Ill terior to other Parts of the Dam tI is yrassecen ot erusaem erutarepmet ehtni ydob tnemerusaeM fo evitaler tnemecalpsid fo owt fo etercnoc and yrnosam dams ni redro ot niatrecsa stniop ni a dam is a tcerid noitacidni fo larutcurts eht erutan and tnetxe fo lamreht sesserts and eht ruoivaheb fo eht dam. ehT noitcelfed -carahc tneuqesnoc larutcurts ruoivaheb fo eht dam and scitsiret fo a dam devresbo rof eht tsrif few sraey lliw osla ot niatrecsa nehw ot ekatrednu gnituorg fo laever yna suoregnad tlit ro tnemevom fo eht dam. noitcartnoc stnioj that yam evah neeb dedivorp rof esehT snoitavresbo era edam yb raluger and -ni eht .erutcurts detrev .senilbmulp ehT enilbmulp data rehtegot htiw rehto gnitroppus data yam eb desu ot yduts eht 4.3.3 Measurement of Temperature of Reservoir citsale ruoivaheb fo eht dam. Water and Air 4.4.5 tnemerusaeM fo erutarepmet fo riovreser retaw Displacement of Dam with Reference to and ria is laitnesse rof distinguishing eht stceffe fo Surrounding Area tneibma and retaw serutarepmet no hcus -erusaem sihT tnemerusaem sevig eht etulosba tnemecalpsid stnem as ,noitcelfed ,sesserts strains, tnioj -evom fo eht dam htiw tcepser ot gnidnuorrus ,aera and is stnem and .stnemelttes a teerid noitacidni fo larutcurts ruoivaheb fo eht dam. 4.4 tnemeruSaeM fo tnemecalpsiD snoisivorP dluow eb edam rof cidoirep noitcelfed tnemerusaeM fo tnemecalpsid fo stniop rehtie -eb .stnemerusaem erehW yhpargopot ,stimrep this neewt owt ,shtilonom ro neewteb noitadnuof and nac enod~eb yb etilodoeht morf dexif bases, using ydob fo eht dam ro eht tnemecalpsid fo yna tnioj fo rehtie thgis-fo-enil revo eht pot fo eht dam ro yb eht dam htiw tcepser ot eht gnidnuorrus aera lliw gninrut selgna ot stegrat no eht maertsnwod ecaf yletaidemmi laever yna distress snoitidnoc -poleved and at eht .tserc At etercnoc dams, eht snoitcelfed gni ni eht dam. tnemerusaeM fo tnemecalpsid is dluohs eb tnetsisnoc htiw segnahc ni riovreser thus eno fo eht tsom tnatropmi srotcaf ot deidutseb retaw ecafrus level and ni erutarepmet and dluohs elihw gnivresbo eht larutcurts ruoivaheb fo a dam. ton egnahc ylbaicerppa morf raey ot .raey 4.4.1 Internal Joint Movement 4.4.6 Measurement of Tilt etercnoC and yrnosam dams era yllareneg tliub ni tliT is tnemerusaem fo noitator lacitrevni .enalp tI skcolb detarapes yb esrevsnart .stnioj tI is laitnesse is yllamron derusaem htiw eht pleh fo retemtlit ot wonk rehtehw ereht is yna evitaler tnemevom metsys gnitsisnoc fo retemtlit ,rosnes tlit setalp and neewteb owt .skcolb ehT tnemevom is ylekil ot eb .rotacidni setalptliT era dednob ot eht ecafrus fo eud ot laitnereffid noitadnuof .ruoivaheb ,rehtruF mass fo erutcurts rednu .noitavresbo ehT rosnes is eht evitaler tnemevom fo skcolb is tnatropmi morf eht tniop fo weiv fo gnimorg fo esrevsnart -cartnoc detneiro no eerht sgep fo etalptlit and sesnes egnahc ni tlit fo .etalptlit ehT elbatrop rotacidni noit .stnioj sevig eht eerged fo .noitator 4.4.2 ecnfrtlS Joint Movement 4.5 tnemerusaeM fo ssertS tnemerusaeM fo tnioj tnemevom at eht ecafrus fo tceriD tnemerusaem fo stress depoleved edisni eht eht snoitacol elbissecca morf seirellag is edam yb mass fo etercnoc ro yrnosam spleh ni gnihctaw eht elbahcated seguag htiw a weiv ot assess eht tnuoma larutcurts fo~ruoivaheb dams and rieht .snoitadnuof fo tnioj gninepo fo owt skcolb fo eht dam. esehT ynA esrevda egnahc ni stress lliw etacidni distress seguag yam osla eb ylsuoegatnavda desu rof -resbo snoitidnoc and laidemer serusaem nac eb .nekat noitav fo gninepo ro fo gnisolc fo ecafrus skcarc at ehT noitavresbo fo stress osla spleh ni gniyduts eht yna .noitacol assumed sesserts and lautca sesserts ni dams and 4.4.3 Foundation Displacement this nac eb desu ni gnivorpmi nopu eht ngised .erudecorp tnemerusaeM fo lacitrev ro latnoziroh -ecalpsid tnem fo noitadnuof sedivorp noitamrofni rof taking 4.6 tnemerusaeM fo niartS evitneverp serusaem rof ,noitanilcni noitrotsid .cte srotcaF ekil ,erutarepmet lacimehc ,noitca -siom fo .serutcurts ehT data nac osla eb desu rof gniyduts erut egnahc and stress tluser ni emulov segnahc eht citsale and citsaleni seitreporp fo dam and -nuof hcihw esac strain ni eht .erutcurts ehT -erusaem .noitad tnemerusaeM fo noitadnuof tnemecalpsid IS 7436 (Part 2) : 1997 tnem fo strain, ,erofereht semoceb .yrassecen As 4.10.1 Rainfill Measurement eht ngised fo serutcurts is desab no stress ti is llafniaR tnemerusaem is ylenituor deirrac tuo as laitnesse ot erusaem eht sesserts depoleved ni eht trap fo lacigolordyh .noitavresbo serutcurts gnirud its efil .emit ,revoeroM eht -ni stnemurts elbaliava rof tnemerusaem fo sesserts 4.10.2 Wave Height and Ice Effect nac erusaem ylno evisserpmoc stress and ton eht tnemerusaeM fo thgieh fo evaw and tceffe fo eci era elisnet stress. ,rehtruF eht stress gnirusaem -urtsni osla lufesu rof noitaterpretni fo stluser larutcurtsfo stnem cra erom evisnepxe and etaciled than strain ruoivaheb fo eht dam. sretem and ,ecneh ti is a nommoc ecitcarp ot erusaem eht strain and ot etaluclac morf ti eht 4.10.3 Measurement of level of Silt Deposit at the depoleved stress. Upstream Face of the Dam 4.7 Measurement of Pore Pressure sihT dluow eb lufesu rof gninimreted eht erusserp eud ot silt tisoped no eht maertspu ecaf fo eht dam. 4.7.1 ecniS egral etercnoc and yrnosam dams era dedivorp htiw lanretni demrof drains detacol raen 4.10.4 Other Meterological Measurements eht maertspu ,ecaf a drocer fo erop erusserp rehtO lacigoloroetem stnemerusaem hcus as fo tnempoleved and its snoitairav dluow etacidni eht wind yticolev and tew and yrd blub serutarepmet ssenevitceffe and ycauqeda fo eseht drains. ynA yam osla eb .edam neddus unusual esaercni ni eht erop serusserp lliw eb evitacidni fo gnikohc up fo eseht lanretni drains 5 AUXILIARY DATA TO BE COLLECTED and yna unusual noitcuder morf eht lamron dluow 5.1 Data ot eb tpek fo noitarepo/noitcurtsnoc etacidni ytilibissop fo noitamrof fo skcarc ro -batse stages: tnemhsil fo wolf slennahc ni eht ydob fo eht dam. ehT gniwollof data fo noitarepo/noitcurtsnoc egats dluohs eb :tpek 4.7.2 tnemerusaeM fo tfilpu ni eht noitadnuof is a> yrotadnam rof all ytivarg dams and is yllareneg etercnoC ro yrnosam gnicalp ,margaid dehsilpmocca yb tfilpu erusserp sepip hcihw -orp gniwohs tfil tnemecalp ,etad gnicalp ediv a tcerid noitacidni fo eht gniliaverp edutingam erutarepmet and tfil ;ssenkciht epyt fo fo tfilpu gnitluser morf eht gnitarepo riovreser dohtem and noitarud fo ;gniruc sdaeh and yltneuqesnoc eht ssenevitceffe fo eht b) gnilooC ,stnemegnarra fi ,yna and rieht tuorg niatruc esolc ot chr maertspu ecaf fo eht dam ;sliated and ssenevitceffe fo eht eganiard niatruc dedivorp C> laniF kcor snoitavele and unusual -igoloeg ni eht noitadnuof apart morf gnikcehc fo ngised lac ;serutaef and assumptions rof its .ytilibats d) droceR fo tnioj gnituorg .snoitarepo 4.8 Seismicity~of the Area and Dynamic Characteristic of the Structure 5.2 Data to be kept from Control Operations ecnallievruS fo cimsies tnemnorivne fo eht tcejorp The gniwollof data fo lortnoc snoitarepo dluohs eb etis sdeen laiceps noitnetta ni esac fo egral dams ot :tpek wonk tuoba eht yticimsies fo eht noiger erofeb )a tnemeC ;tnetnoc tnemec-retaw ;soitar taking up .noitcurtsnoc noitaerC fo a riovreser etagergga ;gnidarg tnuoma fo deniartne ;ria setareneg lanoitidda daol no eht gnidnuorrus aera serutximda ;desu fi ;yna and gniylrednu lacigoloeg strata. ,suhT ti semoceb )b lacisyhP and lacimehc seitreporp fo tnemec laitncssc ot wonk eht egnahc ni eht yticimsies -tap gnidulcni taeh fo ;noitardyh ,nret fi ,yna eud ot noitaerc fo egral .riovreser ehT ruoivaheb fo dam gnirud an ekauqhtrae osla sdeen )c lacimehC and lacisyhp seitreporp fo -ga ;setagerg and ot eb assessed. roF eseht ,sesoprup a lacigolomsies yrotarobal yam eb dehsilbatse raen eht tcejorp .etis )d mumixaM and muminim ria .serutarepmet 4.9 Measurement of Water Level on Upstream 5.3 Laboratory Data and Downstream Side ehT yrotarobal-gniwollof data dluohs eb detcelloc : sihT tnemerusaem is lufesu rof gnitaluclac eht )a cificepS ;taeh ;ytivitcudnoc ;ytivisuffid retaw erusserp no eht maertspu ecaf and lamreht tneiciffeoc fo noisnapxe cimanyd maertsnwod ecaf fo eht dam. and citats suludom fo ;yticitsale ;peerc ,evisserpmoc laruxelf and elisnet shtgnerts 4.10 Other Measurements fo ;etercnoc ehT gniwollof rehto stnemerusaem hcihw dluow )b ralimiS seitreporp rof yrnosam ot eht tnetxe aid ni noitaterpretni fo eht main noitatnemurtsni ;elbissop data era osla .yrassecen 4 IS 7436 (Part 2) : 1997 cificepS ecafrus fo tnemec desu rof tnioj deilppus htiw eht serutsiom ro noitcerroc rotcaf yb gnituorg and seitreporp fo ,analozzop fi eht rerutcafunam ot etasnepmoc eht .tceffe ;desu and 6.1.4 erehT is on elpmis elur hcihw nac enimreted Data fo retaW .selpmaS eht rebmun fo ,stnemurtsni rieht tcaxe epyt ro -acol 6 ECIOIIC FO STNEMURTSNI AND .noit riehT noitanimreted gniniamer yliramirp a NOI’I’ACO~I FO GNIRUSAEM STNEMURTSNI rettam fo decneirepxe .tnemegduj 6;O noitatnemurtsnI dluohs eb dedivorp ni at tsael 6.1.5 ehT rebmun fo secived dellatsni ni a dam is eno tsepeed wolfrevo kcolb and owt tnemtuba less tnatropmi than eht noitceles fo reporp sepyt fo .skcolb tI dluohs osla eb detacidni that eht rebmun ,stnemurtsni rieht noitacol and tnegilletni -retni fo detnemurtsni skcolb yam eb desaercni htiw eht noitaterp fo eht data. esaercni ni htgnel fo dam. 6.1.6 ehT ytilauq fo stnemurtsni dluohs cb fo 6.1 lareneG tnuomarap ecnatropmi ecnis eseht era detcepxe ot krow rof yrev gnol ,sdoirep yas 25 - 30 .sraey eroM 6.1.1 stnemurtsnI yltneserp elbaliava era dengised yltnatropmi os esuaceb deddebme stnemurtsni -nac no ruof cisab selpicnirp .aiv ,lacinahcem ,ciluardyh ton eb deveirter and deriaper fi eseht emoceb -cefed citamuenp and .lacirtcele lacirtcelE epyt -urtsni .evit stncm edulcni dcdnobnu ecnatsiser ,epyt and gnitarbiv .eriw Out fo eht ruof sepyt fo stnemurtsni 6.1.7 nI a noitceles fo ,tnempiuqe ecivres -eriuqer ,lacinahcem citamuenp and ciluardyh epyt fo -ni stnem must eb ylluferac .dehgiew An tnemurtsni fo stnemurts era ,elpmis ,deggur ,elbailer repaehc and deggur noitcurtsnoc that sevig ylbanosaer etarucca ysae ot etarepo tub evah rewol esnopser and rewol stluser yam eb elbareferp ot a erom esicerp tub .ycarucca ehT lacinahcem epyt tonnac eb daer etaciled .tnemurtsni yletomer elihw citamuenp and ciluardyh hguoht 6.1.8 ,yllaedI eht stnemurtsni detceles rof a nevig nac eb daer ,yletomer evah smelborp htiw -tcennoc noitautis dluohs evah eht gniwollof -carahc gni sebut fo gnikcolb and .gnikaerb saerehW :scitsiret lacirtcele epyt fo stnemurtsni setatilicaf ysae a> tI dluohs eb yltneiciffus ;etarucca etomer ,gnidaer esu fo data reggol and sretupmoc apart morf rieht hgih ,ytivitisnes hgih snoituloser b) tI dluohs evah gnol mret ytilibailer and and .ycarucca ;ytilibats C> tI dluohs evah wol ecnanetniam -eriuqer 6.1.2 dednoB strain eguag epyt fo stnemurtsni ;stnem dluohs ton eb desu rof deddebme .snoitacilppa nI laiceps snoitacilppa erehw eht rehto sepyt fo -urtsni d) tI dluohs eb elbitapmoc htiw noitcurtsnoc stnem evah snoitatimil ,ziv cimanyd ,stnemerusaem ;seuqinhcet eseht yam eb desu ylno no ecafrus and elbissecca e> tI dluohs evah wol ;tsoc and snoitacol and rof trohs mret .snoitavresbo ehT f> tI dluohs eb elpmis tub .deggur dednobnu ecnatsiser eriw epyt and gnitarbiv eriw epyt fo stnemurtsni evah gnol mret ytilibats and era 6.2 Uplift Measuring Instruments ni USC .ylevisnetxe ehT main segatnavdasid htiw eht stnemurtsnI hcihw yam eb desu rof tnemerusaem dednob strain eguag sepyt era that yeht reffus morf fo tfilpu era tfilpu erusserp .sepip tfird eud ot peerc ni gnidnob lairetam and gnikcab ,lairetam noitairav ni elbac rotcudnoc ecnatsiser 6.2.1 Measurement of Uplift eud ot ,erutarepmet egakael secnatsiser neewteb ehT ecived rof gnirusaem tfilpu stsisnoc fo a epip elbac srotcudnoc eud ot erutsiom .ssergni suhT dellatsni at eht tniop erehw tfilpu erusserp is ot eb yeht era elbatiusnu rof gnol mret .noitacilppa ehT derusaem hcus that ti setanimret ni a yrellag -tcerid dednobnu ecnatsiser eriw epyt stnemurtsni osla yl evoba eht gnirusaem tniop hcihw is yllareneg 1 m reffus morf eht ecneulfni fo egnahc ni elbac -noc woleb eht esab fo a dam. rotcud ecnatsiser and egakael ecnatsiser neewteb rotcudnoc eud ot erutarepmet segnahc and -siom 6.2.2 ehT sepip decalp maertspu fo eht tuorg erut ssergni .ylevitcepser reveitoH eht tceffe nac eb niatruc era yllausu denilcni sdrawot maertspu ecaf deziminim and erutarepmet snoitcerroc .deilppa and dettif htiw a eet noitces and a epyt-nodruoB- 6.1.3 gnitarbiV eriw epyt stnemurtsni era ton -nes erusserp eguag rof gnivresbo retaw erusserp and evitis ot elbac ecnatsiser and erutsiom .tnemevom esoht decalp maertsnwod fo eht tuorg niatruc era yehT era rednu ecneulfni fo erutarepmet segnahc daer yb gnidnuos ro htiw erusserp .eguag tsaL epii tub eht tceffe is less .tnacifingis yehT era rehtie is ,yllareneg denilcni sdrawot maertsnwod ot revoc detasnepmoc rof erutarepmet segnahc ro yeht era mumixam htdiw fo eht dam. 5