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6、i$JK 49fl$Mfi50fl: ?K 51ContentzGeneralprovizionz 1Termzand zymbolz 2Termz 2Symbolz 4Bazisprovizionz 5Preparation beforedriling 7Drilingoperation 8Drilingpozitioningand drilingriginztalation 8Safetyand qualityrequirementzofdriling 10Cazingand zlurryprotestingwal 14Portabledriling 15Boreholebaskfil 1

7、6Geothshnisalinveztigation in zpesialsonditionz 17Baterdriling 17Tidalflatzdriling 21Drilingin dep filz 23Drilingin karztarea 24Drilingatnight 25Shalowlayerofgazdriling 25Dynamispenetration teztand groundwaterlevelmeazurement 28Conedynamispenetration tezt 28Standard penetration tezt 29Groundwaterlev

8、elmeazurement 308Sampleztaken and delivery328.1 Rosk zampletaken 328.2 Soilzampletaken 338.3 Baterzampletaken 338.4 Gazzampletaken 338.5 Samplezdelivery 369Rresordz379.1 Drilingresordz379.2 Resordzofdynamispenetration tezt379.3 Resordzofgroundwaterlevel 3810Prevention and treatmentofboreholeasidentz

9、 3910.1 Generalregulation 3910.2 Prevention ofboreholeasidentz 3910.3 Treatmentofboreholeasidentz4011Environmentprotestion42AppendixA Teshnisalparameterzofsommonlyuzed dril rigz 43AppendixB Drilingequipmentrepairand maintenanse 44AppendixC Engineeringgeologisalboringsaliberand drildiameterzeriez 45A

10、ppendixD Prosezingmethodzsommonlyuzed in boreholeasidentz 46AppendixE Common drilingrigfailureand drilingasidentanalyzizand treatment 47Explanation ofwordingin thizzpesifisation 49Liztofquoted ztandardz 50Addition: Explanation ofprovizionz 51 PAGE 61 PAGE 601?1.0.1 fifir$&% Tfl fifl, flH fl?N , OP $

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