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Attachment A CITY OF LATHROP <br /> 1 SPECIAL PROVISIONS......................................................................................................................1 <br /> 1.1 GENERAL.......................................................................................................................................1 <br /> 1.1.1 ENGINEER............................................................................................................................................ 1 <br /> 1.1.2 TERMINATION AND ALTERNATIVE WELL....................................................................................................1 <br /> 1.1.3 PRELIMINARY TEST HOLE AND MONITORING WELL DESIGN..........................................................................1 <br /> 1.1.4 PERMITS AND NOTIFICATIONS .................................................................................................................1 <br /> 1.1.5 SERVICES FURNISHED BY THE CITY............................................................................................................2 <br /> 1.1.6 REFERENCE POINTS................................................................................................................................2 <br /> 1.1.7 WORK AREA RESTRICTIONS.....................................................................................................................2 <br /> 1.1.8 CONSTRUCTION INSPECTION ...................................................................................................................3 <br /> 1.1.9 SITE SECURITY.......................................................................................................................................3 <br /> 1.1.10 WATER FOR DRILLING............................................................................................................................3 <br /> 1.1.11 NUISANCE WATER, DEVELOPMENT WATER,AND DRILL CUTTINGS................................................................3 <br /> 2 TECHNICAL PROVISIONS.................................................................................................................5 <br /> 2.1 GENERAL REQUIREMENTS...........................................................................................................5 <br /> 2.1.1 SCOPE OF WORK...............................................................................................................................5 <br /> 2.1.2 LOCATION AND LOCAL CONDITIONS.................................................................................................6 <br /> 2.1.3 DRILLING FLUID CONTROL PROGRAM ..............................................................................................6 <br /> 2.2 MATERIALS..................................................................................................................................8 <br /> 2.2.1 CERTIFICATES OF COMPLIANCE........................................................................................................8 <br /> 2.2.2 MATERIALS SPECIFICATIONS.............................................................................................................9 <br /> 2.3 TEST HOLE DRILLING AND MONITORING WELL CONSTRUCTION .................................................10 <br /> 2.3.1 MOBILIZATION................................................................................................................................10 <br /> 2.3.2 TEST HOLE DRILLING .......................................................................................................................10 <br /> 2.3.3 GEOPHYSICAL LOGGING..................................................................................................................12 <br /> 2.3.4 TEST HOLE REAMING ......................................................................................................................12 <br /> 2.3.5 WELL CASING AND SCREEN.............................................................................................................13 <br /> 2.3.6 GRAVEL ENVELOPE AND INTERMEDIATE BENTONITE SEALS ..........................................................14 <br /> 2.3.7 ANNULAR SEAL................................................................................................................................15 <br /> 2.3.8 WELL DEVELOPMENT......................................................................................................................16 <br /> 2.3.9 SURFACE COMPLETION...................................................................................................................16 <br /> 2.3.10 STANDBYTIME................................................................................................................................18 <br /> 2.3.11 SITE CLEAN-UP, RESTORATION,AND RECORDS..............................................................................18 <br /> 2.3.12 TEST HOLE ABANDONMENT ...........................................................................................................18 <br /> 2.3.13 CUTTINGS AND FLUID CONTAINMENTAND DISPOSAL...................................................................19 <br /> 2.3.14 REJECTED BOREHOLE OR WELL.......................................................................................................19 <br /> LUHDORFF&SCALMANINI <br /> CONSULTING ENGINEERS I <br />