Chemical Tanker Notes

Seamanship lnternational Ltd.

3 , ., Z C H E M I C A L TANKER .

Captain Vladimir Kunichkin

Published in 2006 by

Seamanship lnternational Ltd, Willow House, Strathclyde Business Park, Lanarkshire, ML4 3PB, UK Telephone: +44 (0) 1698 464 333 E-mail: info@seamanship.com

O Seamanship lnternational Ltd

Chemical Tanker Notes

Table Of Contents

1 The Voyage .................................................................................................... 1 1 . 1 Voyage Orders ................................................................................................ 1 1.2 Voyage Planning ............................................................................................. 1 1.3 Stowage Planning ............................................................................................ 3 1.4 Notice of Readiness ...................................................................................... 22

Tank Cleaning .............................................................................................. 23 Cleaning and Disposal Procedures .............................................................. 23 Cleaning Methods .......................................................................................... 28 Cleaning ........................................................................................................ 30 Planning Tank Cleaning Operations .......................................................... 42 Overhaul and Tests ....................................................................................... 45 Team Briefing ................................................................................................ 48 Precautions Against Unauthorised Discharge ............................................... 48 Safe Cleaning ............................................................................................ 49 Visual Inspection of the Tank ......................................................................... 53 Wallwash Tests ............................................................................................. 55 Preload Tests ................................................................................................ 59 Notice of Readiness ...................................................................................... 64

Loading ........................................................................................................ 68 Safety Precautions ........................................................................................ 68 Transportation Requirements ........................................................................ 74 Tanks Inspection ........................................................................................... 85 Safety and Data Sheet .................................................................................. 88

.............................................................................. Loading and Deballasting 89 Cargo Tank Vapour Return Systems ............................................................. 92

................................................................................................. Loading Rate 94 Loading Temperature .................................................................................... 95 Sampling ....................................................................................................... 95 Cargo Calculation .......................................................................................... 97 Disconnection of Manifolds ...................................................................... 101

...................................................................................... Cargo Discrepancy 102 .............................................................................................. Short Loading 104

Letter of Authorisation ................................................................................. 105 Bill of Lading ................................................................................................ 106

.................................................................................................. Time Sheet 106 Loading Set of Cargo Documents ................................................................ 108

4 Departure ................................................................................................... 109 .............................................................................. 5 Conditions of Carriage 110

5.1 Heated Cargo .............................................................................................. 113 ............................................................................... 5.2 Nitrogen Blanket Cargo 115

............................................................................................... 5.3 Re-circulation 116 5.4 Inhibited Cargoes ........................................................................................ 116

Chemical Tanker Notes

Arrival at Discharge Port .......................................................................... 118 Reducers ..................................................................................................... 118 Samples ..................................................................................................... 118 Bill of Lading ................................................................................................ 119

.......................................................... Cargo Measurement and Calculation 119 ......................................................................................................... Claims 119

Safety Precautions ...................................................................................... 119 Discharging Plan ......................................................................................... 122 Palm Oil ....................................................................................................... 122 Paraffin Wax. Slack Wax ............................................................................. 122

Discharging ................................................................................................ 123 Pumps ......................................................................................................... 123 Commencing Discharge .............................................................................. 129 Main Discharge ............................................................................................ 131

7.4 Stripping ...................................................................................................... 132 7.5 Blowing the Line .......................................................................................... 134 7.6 Inspection .................................................................................................... 135 7.7 Bill of Lading ................................................................................................ 135

8 Ballasting ................................................................................................... 136 8.1 Ballast Eductors ........................................................................................... 136

9 Prewash .................................................................................................... 138 9.1 New Ships ................................................................................................... 138 9.2 Existing Ships .............................................................................................. 139 9.3 Procedures .................................................................................................. 142 9.4 Inert Gas Generator ..................................................................................... 145

10 Terms and Definitions ............................................................................... 147 Appendices ........................................................................................................... 151 Appendix 1 Compatibility Chart ........................................................................ 152 Appendix 2 Alphabetical Listing of Compounds ............................................... 153 Appendix 3 Exceptions to the Compatibility Chart ............................................ 174 Appendix 4 Exceptions to the Compatibility Chart ............................................ 176 Appendix 5 FOSFA List of Banned Immediate Previous Cargoes ................... 178 Appendix 6 FOSFA List of Acceptable Previous Cargoes ................................ 180 Appendix 7 World Chemical Trade ................................................................... 183 Appendix 8 International Certificate of Fitness for the Carriage of Dangerous Chemicals in Bulk ................................................................................................... 185 Appendix 9 NLS Certificate .............................................................................. 191 Appendix 10 Procedures and Arrangements Manual ......................................... 194 Appendix 11 Cargo Record Book ....................................................................... 211 Appendix 12 Cargo Hose Record ....................................................................... 215 Appendix 13 Shipboard Marine Pollution Emergency Plan (SMPEP) ............... 217 Appendix 14 Guidelines in developing a SMPEP ............................................... 218

Bibliography ......................................................................................................... 229 Index ...................................................................................................................... 230

Accommodation ................................................................................................. 52. 88 ........................................................................................................... Alarms 52. 62-64

Antarctic ................................................................................................. 140. 200. 201 ................................................................................................................... API 99. 100

ASTM tables ............................................................................................ 99. 100. 181 Ballast .... 12. 16. 17. 41. 70. 74. 78. 91. 109. 122. 136. 138. 140. 141. 197. 199.201.

202. 205.208.209.213.216. 228 BCH Code ............................................................................................ 5. 74. 147. 231 Berthing .................................................................................................................. 118 Blanketingipadding ................................................................................. 81. 146. 149 Bonding wire ............................................................................................................ 45 Booster pumps ....................................................................................................... 123 Breathing apparatus ..................................................................................... 47. 52. 53 Bunkering ......................................................................................... 1. 16. 30. 70. 228 Butterworth ......................................................................................................... 33. 42 Cargo expansion ...................................................................................................... 12 Cargo Line ........................................................ 7 23. 33. 41. 53. 59. 89. 92. 133. 201 Cargo pump .......................... 5. 40. 51. 59. 84. 94. 119. 120. 123. 128. 132. 133. 201 Cargo quantity options ....................................................................................... 13. 15

............................................................ Cargo receipt I 2. 96. 106. 108. 118. 119. 135 ............................................................................... Caustic soda solution 32. 182. 185

CDP ................................................................................................................. 23. 209 Chapter 17 ...................................................................................... 74-76. 93. 94. 189 Charter Party ................................................... 1. 22. 59. 64. 65. 94. 95. 104. 106. 113 Checklists ......................................................................................................... 69. 224 Chemical Safety Data Sheet (CSDS) ................................................................ 88. 89 Chief Engineer ........................................................................................................ 42 Classification Society ................................................................................. 1. 110. 219 Cleaning .2. 7. 11. 23. 25. 28-59. 64. 69.70. 114. 126. 128. 138. 141. 146. 197. 199.

200. 203. 205. 206. 208. 209. 216. 231 Coatings ................................................................ 8. 9. 11. 23. 28. 33. 39. 53. 58. 146

...................................................................................................... Cofferdam 4. 5. 127 Compatible substances ......................... 3-7. 1 1. 72. 93. 118. 138. 154. 176. 178. 205

............................................................................................................ Condensate 115 .................................................................... Connections 7 85. 92. 94. 119. 202. 203

Contamination .................................................. 5. 11. 30. 48. 52. 56. 62. 96. 113. 117 Control systems ....................................................................................................... 62 Corrosive .......................................................................................................... 35. 147 Cruciform joint ........................................................................................................ 4. 6 Decontamination ...................................................................................................... 84 Density ............................................................... 13. 14. 16. 80. 97-100. 123. 147. 149

................................................................................................... Dew point 41. 81. 145 ................................................................................................................... Diffuser 116

Discharging .l. 7. 13. 16. 22. 23. 28. 30-32. 37- 41. 45. 48. 51. 53.64, 69.71.74.89. 95. 97. 106. 108. 113. 114. 117-123. 126. 128. 129. 131-148. 197. 199-202.205.

206. 209. 21 1. 212.21 6- 224. 227

Disconnection ........................................................................................... 64. 72. 101 Disposal .......................................................................... 23. 25. 26. 27. 206-21 1. 21 5 Draeger .................................................................................................................... 51 Draught ............................................................................ 13. 14. 18. 22. 70. 109. 229 Drop line ..................................................................................................... 33. 53. 11 6 Dry Tank Certificate ....................................................................................... 134. 135 Drying oils .......................................................................................................... 31. 32 Eductors ................................................................................................................. 137 Emergency .............. 70. 82. 83. 89. 1 17. 1 19. 122. 128. 21 9- 222. 225. 227. 228. 230 Emergency shut down ............................................................................................ 119 Environment ............................................... 2 38. 74-76. 80. 141 . 197. 200. 205. 228 ETA ............................................................................................................ 22. 43 . 109 Ethanol .......................................................................................... 38 . 39. 55. 181. 182 Explosions ................................................................. 3 37. 50. 53. 71. 120. 147. 224 Fatigue ..................................................................................................................... 48 Fermentation .......................................................................................................... 114 Filling limits ................................................................................... l 64. 81. 101. 149 Filters .............................................................................. 41. 58. 70. 82. 143. 203. 212 Fire ................................................................ 4 70. 82. 114. 117. 147. 148. 224. 228 First aid ...................................................................................................... 82. 83. 231 Flammable vapours ................................... 3 37. 38. 40. 44. 46. 47. 80. 82. 147. 148 Flanges ............................................................................................ 4. 59. 74. 92. 118 Flow rates ... 23. 26. 27.42. 62. 69. 80. 81. 93-95. 128. 132. 136. 137. 142. 150. 199.

202-21 0. 21 2. 224. 225. 227 FOSFA ............................................................................................ 1 1. 180. 182. 184 Free surface ....................................................................................................... 16. 17 Friction losses .......................................................................................................... 80 Gas free ............................................................................................... 49- 52. 94. 146 Gaskets .................................................................................................................... 48 Gauging ..................................................................................................... 80. 81. 137 Gross Standard Volume (GOV) ............................................................................. 99 Hatches ....................................................... 3 l. 40. 50. 52. 53. 81. 122. 128. 129. 142 Hazardous cargoes ............................................................................................... 71 Heating coils ......................................................... 3 41. 42. 53. 60. 61. 94. 114. 115 Hoses .............. 16. 31. 37. 38. 45.46. 51. 64. 69. 72-74. 85. 89. 92-94. 101. 118. 218 Hours of work ..................................................................................................... 48 . . Hum~d~ty ............................................................................................................ 41. 42 IBC Code ................................................................. 5. 47. 74-76. 81. 92-94. 148. 231 ICS ................................................................................................................... 37. 231 IMO ...................................................... 8 2 92. 138. 141. 147-149. 197. 200. 218. 219 Inert Gas Generator ..................................................................................... 145. 146 lnerting ....................................................................................................... 80. 92. 148 Inhibited cargoes .................................................................................................... 117 Inspection .................................... 12. 23. 31. 41. 42. 45. 53-56. 70. 85. 115. 135. 218 International Certificate of Fitness ................................................... 82. 110. 187. 231 International Medical Guide for Ships (IMGS) .......................................................... 82 ISGOTT ................................................................................................ 69. 71. 94. 231 Isomers ...................................................................................................................... 3 Latex ........................................................................................................................ 32 Laycan ................................................................................................................. 1. 22

Laytime ...................................................................................................... 22. 65. 107 Leakage ............................................................ 4 60. 89. 96. 11 5. 126. 127. 147. 224 LEL ..................................................................................................................... 35. 51 Letter of Authorisation (LOA) ......................................................................... 102. 105 Letter of Indemnity (LOI) ................................................................................... 119 Letter of Protest ............................................................. 94. 95. 97. 102-104. 106. 119 Load calculation .................................................................................................. 13-15

............................................................................................................ Load line 13. 14 Load line zones ........................................................................................... 13. 14 Load temperature ............................................................................... 12. 13. 95. 100 Loading 1. 7. 11-16. 17. 23. 30. 40. 53. 56. 60-62. 64.68-70. 74. 85. 88-90. 92.94-98.

104. 106. 108. 109. 117-119. 138. 188. 189. 215 Logbook .................................................................................. l 59. 60. 90. 131. 136 LUMPSUM ............................................................................................................. 104 Manifest ................................................................................................................. 108 Manifold ... 1. 7. 40. 53. 60. 73. 74. 89. 92-96. 101. 102. 118. 129. 132. 133. 147. 148 MARPOL ...... 23. 26. 113. 138-143. 188. 189. 197-201. 204.205. 209.21 9- 225. 231 Master ... 42. 48. 62. 64. 65. 96. 97. 106-108. 119. 122. 129. 135. 138. 217. 219.220.

228 Material Safety Data Sheet (MSDS) ....................................... 3 88. 92. 115. 149 Measurement ..................................................................................... 51. 89. 119. 204 Medical First Aid Guide (MFAG) ...................................................................... 82. 231 Metacentric height (GM) ........................................................................................... 16 Methanol ....................................................................................... 30, 55. 56. 184. 185 Mooring ............................................................................................................ 69. 72 MTBE ................................................................................................... 2. 31. 184. 185 Nessler ......................................................................................................... 56. 58. 59 Nitrogen .......................................... 3 41. 81. 92. 115. 116. 127. 134. 145-149. 201 Notice of Readiness ............................................. 1. 22. 43. 64- 66. 94. 104. 109. 118 Noxious substances ..2. 3. 8. 23. 37. 92. 112. 139-143. 149. 189. 193. 195. 197- 207.

213.21 9- 222.227.228. 230 OOW .................................................................................................................... 7. 69 Operator ........................... 1. 2. 22. 64. 95. 96. 102. 104-107. 117. 119. 149. 226. 229

.......................................................................................................... Oxidation 97. 115 Oxygen meter .......................................................................................................... 51 P&A Manual . 1- 3. 23. 37. 132. 139-143. 188. 193. 196- 201. 206-208. 212. 215. 216 Payment ....................................................................................................... 106. 119 Permits .............................................................................................................. 51. 52 Pilot .................................................................................................................... 16. 64 Pipes ...... 4. 7. 16. 31. 37. 38. 53. 61. 74-76. 81. 85. 93. 123. 125-127. 133. 137. 143.

147. 149. 203.212. 224 Pollution ........................................... 70. 89. 141. 193. 197. 219-222. 227. 229-231 Polymerisation ........................................................................................ 117. 148. 149 PPE ........................................................................................................ 35. 47. 52. 82 Pressure .. 1. 7. 13. 33. 35. 37. 45. 53. 59-62. 80. 81. 92. 93. 11 5. 11 6. 122. 123. 128. .

129. 132-134. 137. 142. 143. 147. 149. 150. 201. 203. 218 '

Prewash ........................................................... 113. 122. 138-143. 145. 212. 216. 217 Pumps5. 33. 35. 37.40-42. 48. 50. 51. 53. 59. 75. 76. 89. 90. 96. 117. 120-133.137. d

142.143.149.200-206,212,215,216 : Purging .......................................................................................... 3 38. 41. 127. 133 * t

Quality ............................................................. 1253. 56. 88. 105. 108. 113. 119. 141 Quantity .... l. 12-16.22.45.64.81.104.105.108.117. 119.131. 135.141-145.200.

201.207.215.216. 229 Receiver ...................................................... 56. 96. 106-108. 1 17-1 19. 122. 123. 135 Recycling ....................................................................................................... 142. 143 Resistance List ........................................................................................................... 8 Rinsing ....................................................................................................... 50. 56. 143 Safety ... 12. 35. 37. 38. 40. 47. 48. 52. 53. 68-71. 74-76. 83. 88. 89. 92. 94. 101. 119.

123.127.149. 197.228. 231 Samples .................................................................. 56-59. 95. 96. 108. 118. 136. 229 Sampling ..................................................................................................... 55. 89. 95 SDP .................................................................................................................. 26. 21 1 Segregation ............................................................................................................ 4. 5 Shallow water ......................................................................................................... 109 Ship Category .......................... 138-140. 144. 197. 198. 200. 205. 206. 208. 210. 212 Ship Type ........................................................................ 12. 74-76. 80. 136. 137. 189 Shipper ..................................................... 2 40. 42. 67. 89. 94-97. 104. 107. 108. 146 Shore line ......................................................................................................... 96. 123 Short Loading Protest (SLP) .................................................................................. 104 Shortage ................................................................................................................ 102 Slamming ............................................................................................................ 16 Sloshing ................................................................................................................... 16 SOLAS ............................................................................................... 47. 53. 189. 231 Solidifying substances ......................................... 12. 32. 11 3. 115. 134. 138-140. 143 Solvents ..................................................................................................... 58. 74. 206 Sounding .................................................................................................................. 97 Specific Gravity (SG) .................................................................................. 97. 98. 100 Spills ................................................................................................ 70. 223. 224. 228 Stability ................................................................................... 13. 15-18. 20. 224. 228 Standard carriage contracts ..................................................................... 11. 147. 148 Standard Volume ................................................................................................... 99 Static electricity ........................................................................................ 94. 136. 149 Steaming ............................................................. 3 l. 33. 35. 36. 40. 115. 122. 134 Stoppages ........................................................................................................ 94. 122 Storage ...................................................................................................... 52. 96. 11 9 Stowage ..................................................................................................... 3 - 6. 12 Stress ......................................................................................................... 16. 21. 228 Stripping .......... 16. 50. 51. 126. 132-136. 142. 144. 145. 199-201. 204. 205. 207. 215 Suction well ................................................................................... 3 41. 53. 122. 201 Surveyor .................................................... 56. 85. 89. 96. 97. 108. 119. 135. 138. 217 Tank history ........................................................................................................... 108 Testing ................ 23. 30. 45. 51. 55- 64. 70. 80. 82. 89. 119. 144. 145. 176. 178. 218 Time sheet (TS) ..................................................................................................... 106 Toluene ..................................................................... 3 35. 55. 82. 83. 180. 181. 185 Total Observed Volume (TOV) ................................................................................. 99 Toxic substances ..................................................................................................... 12 Trim ........................................................... 13. 16. 18. 37. 99. 109. 132. 204. 215. 228 Ullage ............................................................................................... 81. 101. 108. 122 US Coast Guard ....................................................................................... 3. 4. 59. 154 Vacuum ................................................................... l 80. 98. 99. 122. 128. 137. 147

Valves .. 4, 13, 37, 41, 48, 50, 59-62, 80, 89-92, 94, 95, 109, 123, 129, 133, 137,204 Vapour .......... 13, 37, 40, 47, 52, 62, 80-82, 92-95, 115, 117, 145-150,203, 224,228 Ventilation ..... 30, 31, 37- 39,41, 81, 89, 138, 199, 200, 203, 206, 207,209, 212,216 Viscosity ................................................. 1 1 3, 123, 128, 134, 138-144, 150, 205, 207

.............................................................................. Volume Correction Factor (VCF) 99 Voyage instructions .................................................................................................. 64 Washing ....... 31-35, 39, 40, 45, 48, 50, 51, 56, 58, 138-143, 197, 201, 203, 205, 206,

208, 210, 212, 215-217 Watchman ............................................................................................................ 7, 52 Waxes ................................................. 7, 16, 17, 32, 72, 115, 122, 129, 134, 182, 184