California Water Well Standards, DWR Bulletin 74 ... - County of Glenn

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E~B. Sealing Conditions. 421. Temporary Conductor Casing 422. Permanent Conductor Casing 42C. Radial Thickness of Seal 43D. Sealing Material. 431. Water 432. Cement-Based Sealing Materials 43a. Additives 43b. CoolingWater 433. Bentonite-BasedSealingMaterials 43E. Transition Seal 44F. Placement of Annular Seal Material 44Sectionl0.SurfaceConstmctionFeatures 45A Locking Cover. 45B. Casing Cap 45C. Flooding 45D. Bases 45E. Vaults 45F. Protection From Vehicles 46Section 11. Filter Pack. 46Section 12. Casing. 47A Casing Material. 471. ChemicaICompatibility 472. Used Casing. 473. Plastic and Steel Casing. 47a. ASTM D3296 47b. ASTMD3295 47B. Multiple Screens. 48C. BottomPlugs 48D. Casing Installation. 481. Cleanliness 482. Joining Plastic Casing. 483. Impact 48Section 13. Well Development 48A Mechanical Surging. 48B. OverpumpingandPumpSurging 49C. Air Development 49D. Water Jetting. 49E. Chemical Development. 49.Section IS. Temporary Cover 49XISection 14. Rehabilitation and Repair of Monitoring Wells. 49
Partlli.Table Of Contents (Cont'd).E~Destruction of Monitoring Wells 50Section 16. Purpose of Destruction. 50Section 17. Definition of "Abandoned" Monitoring Well. 50Section 18. General Requirements 50Section 19. Requirements for Destroying Monitoring Wells andExploration Holes 51A Monitoring Wells. 511. Preliminary Work 512. Sealing Conditions 51B. Exploratory Borings. 52C. Placement of Material 521. Placement Method. 522. Timing of Placement. 533. Ground Water F1ow 534. Sealing Pressure 535. Verification 53D. Sealing and Fill Materials 53E. Additional Requirements for Monitoring Wells and Exploratory Boringsin Urban Areas 53F. TemporaryCover 54xii
Page 1 and 2: --1#~Water wells .1Cathodic protect
Page 4 and 5: . ~~Bulletin 74-81)N. KennedyResour
Page 6 and 7: ~vState of CaliforniaPETE WILSON, G
Page 8 and 9: ~ viiForewordOrganization.TABLE OF
Page 10 and 11: ~ ix(4) Glass Fiber Reinforced Resi
Page 14 and 15: ~CATHODIC PROTECTION WELL STANDARDS
Page 16 and 17: 5.~Introduction:Figure 1.Years DWR
Page 19 and 20: GENERAL INTRODUCTIONImproperly cons
Page 21 and 22: Figure 1. YEARS DWR WELL STANDARDSB
Page 24 and 25: .9-REVISIONS TO WATER WELL STANDARD
Page 26 and 27: ~STANDARDSPart I. GeneralSection 1.
Page 28: ~B. c.-13-Many variables are involv
Page 32 and 33: "8. 2.casing and the borehole wall
Page 34 and 35: d. ~c.water shall be used if less s
Page 36 and 37: 3. Foundation and Transition Seals.
Page 38 and 39: -23-otherwise approved by the enfor
Page 40 and 41: Thermoplastic well casing that may
Page 42 and 43: ~.Introducing.Combinationsspecifica
Page 44: ~-29-
Page 47: Advances in analytical and environm
Page 50 and 51: Nested monitoring wells consist of
Page 52 and 53: c.STANDARDSPart I.GeneralSection 1.
Page 54 and 55: 1.Part II.Monitoring Well Construct
Page 56 and 57: 1. 3.casing shall in turn be at lea
Page 58 and 59: c.Casing spacers shall be designed
Page 60 and 61: ~ 1.Section 12. Casing.The term "ca
Page 62 and 63:
B. c. E.Over~um~ing and Pum~ Surgin
Page 64 and 65:
2. b.Section 19. Requirements for D
Page 66 and 67:
3. 5. E.freefall only where the int
Page 69 and 70:
INTRODUCTIONMost wells in Californi
Page 72:
Many cathodic protection wells have
Page 75 and 76:
Need for Cathodic Protection Well S
Page 77 and 78:
(Division 3, Chapter 9, California
Page 79 and 80:
3. B.E. c.consolidation after place
Page 81 and 82:
for surface construction features a
Page 83 and 84:
~Part III.Destruction of Cathodic P
Page 85 and 86:
E.these standards, or standards ado
Page 88 and 89:
~APPEN DIX ADefinition of Terms-A m
Page 91:
National Association of Corrosion E
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California Water Well Standards, DWR Bulletin 74 ... - County of Glenn

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