This is provided for convenience only and does not reflect the formatting or exact sub-question numbering of the draft protocols.
1 | 1 | A.1. Program Requirements |
2 | 2 | |
3 | 3 | Verify that the methods defined in §192.903 High Consequence Area (1) |
4 | 4 | and/or §192.903 High Consequence Area (2) are applied to each pipeline |
5 | 5 | for the identification of high consequence areas. [§192.905(a)] |
6 | 6 | |
7 | 7 | A.1.a. |
8 | 8 | |
9 | 9 | Verify the operator’s integrity management program includes documented |
10 | 10 | processes on how to implement methods (1) and (2) in order to |
11 | 11 | identify high consequence areas. [§192.905(a)] |
12 | 12 | |
13 | 13 | A.1.b. |
14 | 14 | |
15 | 15 | Verify that the operator’s process requires that the method used for |
16 | 16 | each portion of the pipeline system be documented. [§192.905(a)] |
17 | 17 | |
18 | 18 | A.1.c. |
19 | 19 | |
20 | 20 | Verify that the operator’s integrity management program includes |
21 | 21 | system maps or other suitably detailed means documenting the pipeline |
22 | 22 | segment locations that are located in high consequence areas. |
23 | 23 | [§192.905(a)] |
24 | 24 | |
25 | 25 | A.1.d. |
26 | 26 | |
27 | 27 | Review HCA records to verify that the operator completed |
28 | 28 | identification of pipeline segments in high consequence areas by |
29 | 29 | December 17, 2004. [§192.907, §192.911(a)] |
30 | 30 | |
31 | 31 | A.2. Potential Impact Radius |
32 | 32 | |
33 | 33 | Verify that the definition and use of potential impact radius for |
34 | 34 | establishment of high consequence areas meets the requirements of |
35 | 35 | §192.903. [§192.905(a)] |
36 | 36 | |
37 | 37 | A.2.a. |
38 | 38 | |
39 | 39 | Verify that the operator’s formula for calculation of the potential |
40 | 40 | impact radius is consistent with §192.903 requirements (r = |
41 | 41 | 0.69*(p*d^{2})^{0.5}) and that the pressure used in the formula is |
42 | 42 | based on maximum allowable operating pressure (MAOP). |
43 | | |
44 | | |
45 | | |
| 43 | * i. For gases other than natural gas, verify that the operator has |
| 44 | documented processes for the use of Section 3.2 of ASME B31.8S-2001 to |
| 45 | calculate the impact radius formula [§192.903 Potential Impact |
46 | 46 | Radius, §192.905(a)] |
47 | 47 | |
48 | 48 | A.2.b. |
49 | 49 | |
50 | 50 | In cases where potential impact circles are used to identify high |
51 | 51 | consequence areas, verify that the program requires that high |
52 | 52 | consequence areas include the area extending axially along the length |
53 | 53 | of the pipeline from the outermost edge of the first potential impact |
54 | 54 | circle to the outermost edge of the last contiguous potential impact |
55 | 55 | circle for those potential impact circles that contain either an |
56 | 56 | identified site or 20 or more buildings intended for human occupancy. |
57 | 57 | [§192.903 High Consequence Area (3)] |
58 | 58 | |
59 | 59 | A.3. Identified Sites |
60 | 60 | |
61 | 61 | Verify that the operator’s identification of identified sites includes |
62 | 62 | the sources listed in §192.905(b) for those buildings or outside |
63 | 63 | areas meeting the criteria specified by §192.903, and that the source |
64 | 64 | of information selected is documented. [§192.903 Identified Sites, |
65 | 65 | §192.905(b) and §192 Appendix E, I(c)] |
66 | 66 | |
67 | 67 | A.3.a. |
68 | 68 | |
69 | 69 | Identified sites must include the following: [§192.903 Identified |
70 | 70 | Sites, §192.905(b)] |
71 | 71 | i. Outside areas or open structures occupied by 20 or more people on |
72 | 72 | at least 50 days in any 12 month period (days need not be |
73 | 73 | consecutive), |
74 | 74 | ii. Buildings occupied by 20 or more people on at least 5 days a week |
75 | 75 | for 10 weeks in any 12 month period (days and weeks need not be |
76 | 76 | consecutive), and |
77 | 77 | iii. Facilities occupied by persons who are confined, have impaired |
78 | 78 | mobility, or would be difficult to evacuate. |
79 | 79 | |
80 | 80 | A.3.b. |
81 | 81 | |
82 | 82 | Identified sites must be identified using the following sources of |
83 | 83 | information: [§192.905(b)] |
84 | 84 | i. Information from routine operation and maintenance activities and |
85 | 85 | input from public officials with safety or emergency response or |
86 | 86 | planning responsibilities |
87 | 87 | ii. In the absence of public official input, the operator must use one |
88 | 88 | of the following in order to identify an identified site: |
89 | 89 | 1. Visible markings such as signs, or |
90 | 90 | 2. Facility licensing or registration data on file with Federal, |
91 | 91 | State, or local government agencies, or |
92 | 92 | 3. Lists or maps maintained by or available from a Federal, State, or |
93 | 93 | local government agency and available to the general public. |
94 | 94 | |
95 | 95 | A.4. Identification Using Class Locations (Method 1) |
96 | 96 | |
97 | 97 | If the operator’s integrity management program relies on §192.903 High |
98 | 98 | Consequence Area definition (1) for identification of high |
99 | 99 | consequence areas, verify compliance with the following: |
100 | 100 | |
101 | 101 | A.4.a. |
102 | 102 | |
103 | 103 | Verify the integrity management program includes Class 3 and Class 4 |
104 | 104 | piping locations as high consequence areas consistent with the |
105 | 105 | criteria of §192.5(b)(3) and §192.5(b)(4), and §192.5(c). [§192.903 |
106 | 106 | High Consequence Area (1)(i) and (ii)] |
107 | 107 | |
108 | 108 | A.4.b. |
109 | 109 | |
110 | 110 | For Class 1 and Class 2 locations with the potential impact radius |
111 | 111 | greater than 660 feet, verify the integrity management program |
112 | 112 | includes piping locations as high consequence areas if the area within |
113 | 113 | the associated potential impact circle contains 20 or more buildings |
114 | 114 | intended for human occupancy.[§192.903 High Consequence Area (1)(iii)] |
115 | 115 | i. As an option for PIRs greater than 660 feet, the definition of high |
116 | 116 | consequence area may be based on a prorated building count for |
117 | 117 | buildings intended for human occupancy within a distance of 660 feet |
118 | 118 | (200 meters) from the centerline of the pipeline as calculated using |
119 | 119 | the following formula: [§192.903 High Consequence Area (4)] |
120 | 120 | Building Count within 660 feet = 20 x [660 (ft) /PIR (ft)]^{2} or |
121 | 121 | Building Count within 200 meters = 20 x [200 (m) / PIR (m)]^{2} |
122 | 122 | 1. If the option for use of a prorated number of buildings has been |
123 | 123 | used for identification of high consequence areas, verify that the |
124 | 124 | program acknowledges that use of the prorated allowance is only |
125 | 125 | available to operators until December 17, 2006. [§192.903 High |
126 | 126 | Consequence Area (4)] |
127 | 127 | |
128 | 128 | A.4.c. |
129 | 129 | |
130 | 130 | Verify the program includes as a high consequence area, any area in |
131 | 131 | Class 1 and Class 2 piping locations where the potential impact circle |
132 | 132 | contains an identified site. [§192.903 High Consequence Area (1)(iv)] |
133 | 133 | |
134 | 134 | A.5. Identification Using Potential Impact Radius (Method 2) |
135 | 135 | |
136 | 136 | If the operator’s integrity management program relies on §192.903 High |
137 | 137 | Consequence Area definition (2) for identification of high |
138 | 138 | consequence areas, verify compliance with the following: |
139 | 139 | |
140 | 140 | A.5.a. |
141 | 141 | |
142 | 142 | Verify the integrity management program includes piping locations as |
143 | 143 | high consequence areas if the area within a potential impact circle |
144 | 144 | contains 20 or more buildings intended for human occupancy: [§192.903 |
145 | 145 | High Consequence Area (2)(i)] |
146 | 146 | i. As an option for PIRs greater than 660 feet, the definition of high |
147 | 147 | consequence area may be based on a prorated building count for |
148 | 148 | buildings intended for human occupancy within a distance of 660 feet |
149 | 149 | (200 meters) from the centerline of the pipeline as calculated using |
150 | 150 | the following formula: [§192.903 High Consequence Area (4)] |
151 | 151 | Building Count within 660 feet = 20 x [660 (ft) /PIR (ft)]^{2} or |
152 | 152 | Building Count within 200 meters = 20 x [200 (m) / PIR (m)]^{2} |
153 | 153 | 1. If the option for use of a prorated number of buildings has been |
154 | 154 | used for identification of high consequence areas, verify that the |
155 | 155 | program acknowledges that use of the prorated allowance is only |
156 | 156 | available to operators until December 17, 2006. [§192.903 High |
157 | 157 | Consequence Area (4)] |
158 | 158 | |
159 | 159 | A.5.b. |
160 | 160 | |
161 | 161 | Verify the program includes piping locations as high consequence areas |
162 | 162 | if the area within the potential impact circle contains an identified |
163 | 163 | site. [§192.903 High Consequence Area (2)(ii)] |
164 | 164 | |
165 | 165 | A.6. Identification and Assessment of Newly Identified HCAs, Program Requirements |
166 | 166 | |
167 | 167 | Review the operator’s integrity management program to verify processes |
168 | 168 | are in place for evaluation of new information that may show that a |
169 | 169 | pipeline segment impacts a high consequence area. [§192.905(c)] |
170 | 170 | |
171 | | |
172 | 171 | A.6.a. |
173 | 172 | |
174 | 173 | Verify the operator’s integrity management program includes documented |
175 | 174 | processes for how new information that shows a pipeline segment |
176 | 175 | impacts a high consequence area is identified and integrated with the |
177 | | |
178 | | |
179 | | |
180 | | |
181 | | |
182 | | |
183 | | |
184 | | |
185 | | |
186 | | |
187 | | |
188 | | |
| 176 | integrity management program. The program is to identify and analyze |
| 177 | changes for impacts on pipeline segments potentially affecting high |
| 178 | consequence areas. Issues the program must consider include but are |
| 179 | not limited to:[§192.905(c)] |
| 180 | i. Changes in pipeline maximum allowable operating pressure (MAOP), |
| 181 | ii. Pipeline modifications affecting piping diameter, |
| 182 | iii. Changes in the commodity transported in the pipeline, |
| 183 | iv. Identification of new construction in the vicinity of the |
189 | 184 | pipeline that results in additional buildings intended for human |
190 | 185 | occupancy or additional identified sites, |
191 | | |
192 | | |
193 | | |
| 186 | v. Change in the use of existing buildings (e.g., hotel or house |
| 187 | converted to nursing home), |
| 188 | vi. Installation of new pipeline, |
| 189 | vii. Change in pipeline class location (e.g., class 2 to 3) or class |
| 190 | location boundary, |
| 191 | viii. Pipeline reroutes |
| 192 | ix. Corrections to erroneous pipeline center line data, |
| 193 | x. Field design changes (addition of taps, maintenance, pressure |
| 194 | settings, etc.) affecting line pressure, diameter, or pipeline |
| 195 | location. |
194 | 196 | |
195 | 197 | B.1. Assessment Methods |
196 | 198 | |
197 | 199 | Verify that the operator’s Baseline Assessment Plan (BAP) specifies an |
198 | | |
199 | | |
200 | | |
201 | | |
202 | | |
203 | | |
204 | | |
| 200 | assessment method(s) for each covered segment that is best suited for |
| 201 | identifying anomalies associated with specific threats identified for |
| 202 | the segment. Verify that the operator followed ASME/ANSI B31.8S, |
| 203 | Section 6 and that the methods selected address all of the threats |
| 204 | identified to the covered segments. More than one assessment tool may |
| 205 | be necessary to address all applicable threats. [§192.919(b), |
| 206 | 192.921(a), 192.921(c), 192.921(h)] |
205 | 207 | |
206 | 208 | B.1.a. |
207 | 209 | |
208 | 210 | If internal inspection tools are selected, verify that the operator |
209 | 211 | followed ASME/ANSI B31.8S, Section 6.2 in selecting the appropriate |
210 | 212 | internal inspection tool for the covered segment. [§192.921(a)(1)] |
211 | 213 | i. Verify that the operator has evaluated the general reliability of |
212 | 214 | any in-line assessment method selected by looking at factors including |
213 | 215 | but not limited to: detection sensitivity; anomaly classification; |
214 | 216 | sizing accuracy; location accuracy; requirements for direct |
215 | 217 | examination; history of tool; ability to inspect full length and full |
216 | 218 | circumference of the section; and ability to indicate the presence of |
217 | 219 | multiple cause anomalies. Refer to ASME/ANSI B31.8S, section 6.2.5. |
218 | 220 | [§192.921(a)(1)] |
219 | 221 | |
220 | 222 | B.1.b. |
221 | 223 | |
222 | 224 | If a pressure test is specified, verify that the test is required to |
223 | 225 | be conducted in accordance with Part 192, Subpart J requirements. |
224 | 226 | Verify that the operator followed ASME/ANSI B31.8S, Section 6.3 in |
225 | 227 | selecting the pressure test as the appropriate assessment method. |
226 | 228 | [§192.921(a)(2)] |
227 | 229 | |
228 | 230 | B.1.c. |
229 | 231 | |
230 | | |
231 | | |
232 | | |
233 | | |
234 | | |
235 | | |
236 | 232 | If the operator specifies the use of "other technology," verify that |
237 | 233 | notification to OPS is required in accordance with Part 192.949, 180 |
238 | 234 | days before conducting the assessment. Also, verify that notification |
239 | 235 | to a State or local pipeline safety authority is required when either |
240 | 236 | a covered segment is located in a State where OPS has an interstate |
241 | 237 | agent agreement, or an intrastate covered segment is regulated by that |
242 | 238 | State. [§192.921(a)(4)] |
243 | 239 | |
244 | | |
| 240 | B.1.d. |
245 | 241 | |
246 | 242 | If a covered pipeline segment contains low frequency electric |
247 | 243 | resistance welded pipe (ERW) or lap welded pipe that satisfies the |
248 | 244 | conditions specified in ASME/ANSI B31.8 S, Appendix A4.3 and A4.4, and |
249 | 245 | any covered or non-covered segment in the pipeline system with such |
250 | 246 | pipe has experienced seam failure, or operating pressure on the |
251 | 247 | covered segment has increased over the maximum operating pressure |
252 | 248 | experienced during the preceding five years verify that the selected |
253 | 249 | assessment method(s) are proven to be capable of assessing seam |
254 | 250 | integrity and detecting seam corrosion anomalies. [§192.917(e)(4)] |
255 | 251 | |
256 | | |
| 252 | B.1.e. |
257 | 253 | |
258 | 254 | If the threat analysis required in §192.917(d) on a plastic |
259 | 255 | transmission pipeline indicates that a covered segment is susceptible |
260 | 256 | to failure from causes other than third-party damage, verify that the |
261 | 257 | operator documents an acceptable justification for the use of an |
262 | 258 | alternative assessment method that will address the identified threats |
263 | 259 | to the covered segment. [§192.921(h)] |
264 | | |
265 | | |
266 | | |
267 | | |
268 | | |
269 | | |
270 | | |
271 | | |
272 | 260 | |
273 | 261 | B.2. Prioritized Schedule |
274 | 262 | |
275 | 263 | Verify that the BAP contains a schedule for completing the assessment |
276 | 264 | activities for all covered segments; and that the BAP appropriately |
277 | 265 | considered the applicable risk factors in the prioritization of the |
278 | 266 | schedule. [§192.917(c), 192.919(c), 192.921] |
279 | 267 | |
280 | 268 | B.2.a. |
281 | 269 | |
282 | 270 | Verify that the BAP schedule includes all covered segments not already |
283 | 271 | assessed. [§192.921(a)] |
284 | 272 | |
285 | 273 | B.2.b. |
286 | 274 | |
287 | | |
| 275 | Verify that the BAP schedule prioritizes the covered segments based on |
288 | 276 | potential threats and applicable risk analysis, and that the risk |
289 | 277 | ranking is appropriate. [§192.917(c), 192.921(b)] |
290 | 278 | |
291 | 279 | B.2.c. |
292 | 280 | |
293 | 281 | Verify that covered segments meeting the following conditions are |
294 | 282 | prioritized as high-risk segments. |
295 | 283 | i. Segments that contain low frequency resistance welded (ERW) pipe or |
296 | 284 | lap welded pipe that satisfy the conditions specified in ASME/ANSI |
297 | 285 | B31.8S, Appendix A4.3 and A4.4, and any covered or non-covered segment |
298 | 286 | in the pipeline system with such pipe has experienced seam failure, |
299 | 287 | or operating pressure on the covered segment has increased over the |
300 | | |
| 288 | maximum operating pressure experienced during the preceding five |
301 | 289 | years. [§192.917(e)(4)] |
302 | 290 | ii. Covered segments that have manufacturing or construction defects |
303 | 291 | (including seam defects) where any of the following changes occurred |
304 | 292 | in the covered segment: operating pressure increases above the maximum |
305 | | |
| 293 | operating pressure experienced during the preceding five years; MAOP |
306 | 294 | increases; or the stresses leading to cyclic fatigue increase. |
307 | 295 | [§192.917(e)(3)] |
308 | 296 | |
309 | 297 | B.2.d. |
310 | 298 | |
311 | 299 | Verify that the BAP schedule requires 50% of the covered segments, |
312 | 300 | beginning with the highest risk segments, to be assessed by December |
313 | 301 | 17, 2007; and that baseline assessments shall be completed for all |
314 | 302 | covered segments by December 17, 2012. [§192.921(d)] |
315 | 303 | |
316 | 304 | B.2.e. |
317 | 305 | |
318 | 306 | Review the operator’s implementation progress to date and verify that: |
319 | 307 | [§192.921] |
320 | 308 | i. Assessments scheduled for completion by the date of the inspection |
321 | 309 | were in fact completed. |
322 | 310 | ii. Assessment methods used for completed assessments were as |
323 | 311 | described in the plan. |
324 | 312 | iii. The date assessment field activities were completed is recorded |
325 | 313 | [so the operator understands the time frame allowable for compliance |
326 | 314 | with the provisions of 192.933]. |
327 | 315 | |
328 | 316 | B.3. Use of Prior Assessments |
329 | 317 | |
330 | 318 | If prior assessments are used in the BAP, verify that the assessment |
331 | 319 | methods used meet the requirements of 192.921(a) and that remedial |
332 | 320 | actions have been carried out to address conditions listed in section |
333 | 321 | 192.933. Prior assessments are those that were completed prior to |
334 | 322 | December 17, 2002. [§192.921(e)] |
335 | 323 | |
336 | 324 | B.3.a. |
337 | 325 | |
338 | 326 | Verify that threats to these pipeline sections were identified as |
339 | 327 | required under 192.919(a). |
340 | 328 | |
341 | 329 | B.3.b. |
342 | 330 | |
343 | 331 | Verify that the methods used for these prior assessments were |
344 | 332 | appropriate for the threats per ANSI B31.8S as required under |
345 | 333 | 192.919(b) and 192.919(d). |
346 | 334 | |
347 | 335 | B.3.c. |
348 | 336 | |
349 | 337 | Verify that anomalies satisfying the requirements of 192.933 were |
350 | 338 | repaired. |
351 | 339 | |
352 | 340 | B.4. Newly Identified HCAs/Newly Installed Pipe |
353 | 341 | |
354 | 342 | Verify that the operator updates the baseline assessment plan for |
355 | 343 | newly identified HCAs and newly installed pipe. [§192.905(c), |
356 | 344 | 192.921(f), 192.921(g)] |
357 | 345 | |
358 | 346 | B.4.a. |
359 | 347 | |
360 | 348 | If new HCAs have been identified or new pipe has been installed that |
361 | 349 | is covered by this subpart, verify that applicable segment(s) have |
362 | 350 | been incorporated into the operator’s baseline assessment plan within |
363 | 351 | one year from the date the area or pipe is identified and assessments |
364 | 352 | have been appropriately scheduled and/or completed. [§192.905(c)] |
365 | 353 | |
366 | 354 | B.4.b. |
367 | 355 | |
368 | 356 | For newly identified HCAs, verify that the operator completes a |
369 | 357 | baseline assessment for the applicable segment(s) within ten (10) |
370 | 358 | years from the date the area is identified. [§192.921(f)] |
371 | 359 | |
372 | 360 | B.4.c. |
373 | 361 | |
374 | 362 | For newly installed pipe that is covered by this subpart and impacts |
375 | 363 | an HCA, verify that the operator completes a baseline assessment |
376 | 364 | within ten (10) years from the date the pipe is installed. |
377 | 365 | [§192.921(g)] |
378 | 366 | |
379 | 367 | B.4.d. |
380 | 368 | |
381 | 369 | Verify that threats to these pipeline sections were identified as |
382 | 370 | required under 192.919(a). [§192.921(b)] |
383 | 371 | |
384 | 372 | B.4.e. |
385 | 373 | |
386 | 374 | Verify that the assessment methods used were appropriate for the |
387 | 375 | threats per ASME/ANSI B31.8S as required under 192.919(b) and |
388 | 376 | 192.919(d). |
389 | 377 | |
390 | 378 | B.5. Consideration of Environmental and Safety Risks |
391 | 379 | |
392 | 380 | Verify that the operator addresses requirements for conducting the |
393 | 381 | baseline assessments in a manner that minimizes environmental and |
394 | 382 | safety risks. [§192.919(e)] |
395 | 383 | |
396 | 384 | B.5.a. |
397 | 385 | |
398 | 386 | Verify that precautions were implemented to protect workers, members |
399 | 387 | of the public, and the environment from safety hazards (such as an |
400 | | |
| 388 | accidental release of gas) during assessments. [§192.919(e)] |
401 | 389 | |
402 | 390 | B.6. Changes |
403 | 391 | |
404 | 392 | Verify that the operator keeps the BAP up-to-date with respect to |
405 | 393 | newly arising information. Also refer to Protocol K. [§192.911(k) & |
406 | 394 | ASME/ANSI B31.8S, Section 11] |
407 | 395 | |
408 | 396 | B.6.a. |
409 | 397 | |
410 | 398 | Verify that the operator’s process has requirements to keep the BAP |
411 | 399 | up-to-date with respect to newly arising information, applicable |
412 | 400 | threats, and risks that may require changes to the segment |
413 | 401 | prioritization or assessment method. [§192.911(k) & ASME/ANSI B31.8S, |
414 | 402 | Section 11] |
415 | 403 | |
416 | 404 | B.6.b. |
417 | 405 | |
418 | 406 | Verify that required BAP changes have been made and that for all |
419 | 407 | changes, the following are documented: [ASME/ANSI B31.8S, Section |
420 | 408 | 11(a)] |
421 | 409 | i. Reason for change |
422 | 410 | ii. Authority for approving change |
423 | 411 | iii. Analysis of implications |
424 | 412 | iv. Communication of change to affected parties |
425 | 413 | |
426 | 414 | C.1. Threat Identification |
427 | 415 | |
428 | 416 | Verify that the operator identifies and evaluates all potential |
429 | 417 | threats to each covered pipeline segment. [§192.917(a)] |
430 | 418 | |
431 | 419 | C.1.a. |
432 | 420 | |
433 | | |
434 | | |
435 | | |
436 | | |
437 | | |
438 | | |
439 | | |
440 | | |
441 | | |
442 | | |
443 | | |
444 | | |
445 | | |
| 421 | If the operator is following the prescriptive or performance-related |
| 422 | approaches, verify that the following categories of failure have been |
| 423 | considered and evaluated: [§192.917(a) & ASME/ANSI B31.8S, Section |
| 424 | 2.2] |
| 425 | i. external corrosion, |
| 426 | ii. internal corrosion, |
| 427 | iii. stress corrosion cracking; |
| 428 | iv. manufacturing-related defects, including the use of low frequency |
| 429 | electric resistance welded (ERW) pipe, lap welded pipe, flash welded |
| 430 | pipe, or other pipe potentially susceptible to manufacturing defects |
| 431 | [§192.917(e)(4), ASME/ANSI B31.8S Appendix A4.3]; |
| 432 | v. welding- or fabrication-related defects, |
| 433 | vi. equipment failures; |
| 434 | vii. third party/mechanical damage [§192.917(e)(1)], |
| 435 | viii. incorrect operations (including human error), |
| 436 | ix. weather-related and outside force damage, |
| 437 | x. cyclic fatigue or other loading condition [§192.917(e)(2)], |
| 438 | xi. all other potential threats. |
446 | 439 | |
| 440 | |
447 | 441 | C.1.b. |
448 | 442 | |
449 | 443 | If the operator is following the performance-based approach, verify |
450 | | |
451 | | |
452 | | |
| 444 | that all 21 of the threats associated with the first nine failure |
| 445 | categories listed above have been considered. [§192.917(a) & ASME/ANSI |
| 446 | B31.8S, Section 2.2] |
453 | 447 | |
454 | 448 | C.1.c. |
455 | 449 | |
456 | | |
457 | | |
458 | | |
459 | | |
460 | | |
461 | | |
462 | | |
| 450 | Verify that the operator’s threat identification has considered |
| 451 | interactive threats from different categories (e.g., manufacturing |
| 452 | defects activated by pressure cycling, corrosion accelerated by third |
| 453 | party or outside force damage) [ASME/ANSI B31.8S, Section 2.2]. |
| 454 | |
| 455 | C.1.d. |
| 456 | |
| 457 | Verify that the approach incorporates appropriate criteria for |
| 458 | eliminating from consideration a specific threat for a particular |
| 459 | pipeline segment. [ASME B31.8S, §5.10] |
463 | 460 | |
464 | | |
| 461 | C.2. Data Gathering and Integration |
465 | 462 | |
466 | | |
467 | | |
468 | | |
| 463 | Verify that the operator gathers and integrates existing data and |
| 464 | information on the entire pipeline that could be relevant to covered |
| 465 | segments, and verify that the necessary pipeline data have been |
| 466 | assembled and integrated. [§192.917(b)] |
469 | 467 | |
470 | 468 | C.2.a. |
471 | 469 | |
472 | | |
473 | | |
474 | | |
475 | | |
| 470 | Verify that the operator has in place a comprehensive plan for |
| 471 | collecting, reviewing, and analyzing the data. [ASME B31.8S, 4.2. & |
| 472 | 4.4] |
476 | 473 | |
477 | 474 | C.2.b. |
478 | 475 | |
479 | | |
480 | | |
481 | | |
482 | | |
483 | | |
484 | | |
485 | | |
486 | | |
487 | | |
488 | | |
489 | | |
490 | | |
| 476 | Verify that the operator has assembled data sets for threat |
| 477 | identification and risk assessment according to the requirements in |
| 478 | ASME/ANSI B31.8S, sections 4.2, 4.3, and 4.4. At a minimum, an |
| 479 | operator must: |
| 480 | i. gather and evaluate the set of data specified in ASME/ANSI B31.8S, |
| 481 | Appendix A (summarized in ASME/ANSI B31.8S, Table 1); and |
| 482 | ii. consider the following on covered segments and similar non-covered |
| 483 | segments [§192.917(b)]: |
| 484 | 1. Past incident history |
| 485 | 2. Corrosion control records |
| 486 | 3. Continuing surveillance records |
| 487 | 4. Patrolling records |
| 488 | 5. Maintenance history |
| 489 | 6. Internal inspection records |
| 490 | 7. All other conditions specific to each pipeline. |
491 | 491 | |
492 | 492 | C.2.c. |
493 | 493 | |
494 | | |
495 | | |
496 | | |
| 494 | Verify that the operator has utilized the data sources listed in ASME |
| 495 | B31.8S, Table 2, for initiation of the integrity management program. |
| 496 | [ASME B31.8S, §4.3] |
497 | 497 | |
498 | 498 | C.2.d. |
499 | 499 | |
500 | | |
501 | | |
502 | | |
503 | | |
| 500 | Verify that the operator has checked the data for accuracy. If the |
| 501 | operator lacks sufficient data or where data quality is suspect, |
| 502 | verify that the operator has followed the requirements in ASME/ANS |
| 503 | B31.8S, section 4.2.1, section 4.4, and Appendix A [ASME B31.8S, 4.1, |
| 504 | 4.2.1, 4.4, 5.7(e), and Appendix A]: |
| 505 | i. Each threat covered by the missing or suspect data is assumed to |
| 506 | apply to the segment being evaluated. The unavailability of identified |
| 507 | data elements is not a justification for exclusion of a threat. |
| 508 | ii. Conservative assumptions are used in the risk assessment for that |
| 509 | threat and segment or the segment is given higher priority. |
| 510 | iii. Records are maintained that identify how unsubstantiated data are |
| 511 | used, so that the impact on the variability and accuracy of |
| 512 | assessment results can be considered. |
| 513 | iv. Depending on the importance of the data, additional inspection |
| 514 | actions or field data collection efforts may be required. |
504 | 515 | |
505 | 516 | C.2.e. |
506 | 517 | |
507 | | |
508 | | |
509 | | |
510 | | |
| 518 | Verify that the operator’s program includes measures to ensure that |
| 519 | new information is incorporated in a timely and effective manner, as |
| 520 | addressed in Protocol K. [§192.911(k) & ASME B31.8S, §§11(b) & 11(d)] |
511 | 521 | |
512 | 522 | C.2.f. |
513 | 523 | |
514 | | |
515 | | |
516 | | |
517 | | |
518 | | |
519 | | |
520 | | |
521 | | |
522 | | |
523 | | |
524 | | |
525 | | |
526 | | |
527 | | |
528 | | |
529 | | |
530 | | |
531 | | |
532 | | |
533 | | |
534 | | |
535 | | |
536 | | |
537 | | |
538 | | |
539 | | |
540 | | |
541 | | |
542 | | |
543 | | |
544 | | |
545 | | |
546 | | |
547 | 524 | Verify that individual data elements are brought together and analyzed |
548 | 525 | in their context such that the integrated data can provide improved |
549 | 526 | confidence with respect to determining the relevance of specific |
550 | 527 | threats and can support an improved analysis of overall risk. [ASME |
551 | | |
552 | | |
553 | | |
554 | | |
555 | | |
556 | | |
557 | | |
558 | | |
559 | | |
560 | | |
561 | | |
562 | | |
563 | | |
564 | | |
565 | | |
566 | | |
567 | | |
568 | | |
569 | | |
570 | | |
571 | | |
| 528 | B31.8S, §4.5]. Data integration includes: |
| 529 | i. A common spatial reference system that allows association of data |
| 530 | elements with accurate locations on the pipeline [ASME B31.8S, §4.5]; |
| 531 | ii. Integration of ILI or ECDA results with data on encroachments or |
| 532 | foreign line crossings in the same segment to define locations of |
| 533 | potential third party damage [§192.917(e)(1)]. |
572 | 534 | |
573 | | |
| 535 | C.3. Risk Assessment |
574 | 536 | |
575 | 537 | Verify that the operator has conducted a risk assessment that follows |
576 | 538 | ASME/ANSI B31.8S, section 5, and that considers the identified threats |
577 | | |
578 | | |
579 | | |
580 | | |
581 | | |
582 | | |
| 539 | for each covered segment. [§192.917(c)][Note: Application of the |
| 540 | risk assessment to prioritize the covered segments for the baseline |
| 541 | assessment is covered in Protocol Area B, continual reassessments in |
| 542 | Protocol Area F, and additional preventive and mitigative measures in |
| 543 | Protocol Area H.] |
583 | 544 | |
584 | | |
| 545 | C.3.a. |
585 | 546 | |
586 | | |
587 | | |
588 | | |
589 | | |
590 | | |
591 | | |
592 | | |
593 | | |
594 | | |
| 547 | Verify that the operator’s risk assessment supports the following |
| 548 | objectives [ASME B31.8S, §5.3, 5.4]: |
| 549 | i. prioritization of pipelines/segments for scheduling integrity |
| 550 | assessments and mitigating action |
| 551 | ii. assessment of the benefits derived from mitigating action |
| 552 | iii. determination of the most effective mitigation measures for the |
| 553 | identified threats |
| 554 | iv. assessment of the integrity impact from modified inspection |
| 555 | intervals |
| 556 | v. assessment of the use of or need for alternative inspection |
| 557 | methodologies |
| 558 | vi. more effective resource allocation |
| 559 | vii. facilitation of decisions to address risks along a pipeline or |
| 560 | within a facility |
595 | 561 | |
596 | | |
| 562 | C.3.b. |
597 | 563 | |
598 | | |
599 | | |
600 | | |
601 | | |
602 | | |
603 | | |
604 | | |
605 | | |
| 564 | Verify that the operator utilizes one or more of the following risk |
| 565 | assessment approaches [ASME B31.8S, §5.5]: |
| 566 | i. Subject matter experts (SMEs), |
| 567 | ii. Relative assessment models, |
| 568 | iii. Scenario-based models, or |
| 569 | iv. Probabilistic models |
606 | 570 | |
607 | | |
| 571 | C.3.c. |
608 | 572 | |
609 | 573 | Verify that the risk assessment explicitly accounts for factors that |
610 | 574 | could affect the likelihood of a release and for factors that could |
611 | 575 | affect the consequences of potential releases, and that these factors |
612 | 576 | are combined in an appropriate manner to produce a risk value for each |
613 | | |
614 | | |
615 | | |
616 | | |
617 | | |
618 | | |
619 | | |
620 | | |
621 | | |
622 | | |
623 | | |
624 | | |
625 | | |
626 | | |
627 | | |
628 | | |
| 577 | pipeline segment. [ASME B31.8S, 3.1, 3.3, 5.2,§5.3, 5.7(j)] Verify |
| 578 | that the risk assessment approach includes the following |
| 579 | characteristics: |
| 580 | i. The risk assessment approach contains a defined logic and is |
| 581 | structured to provide a complete, accurate, and objective analysis of |
| 582 | risk [ASME B31.8S, section 5.7(a)]; |
| 583 | ii. The risk assessment considers the frequency and consequences of |
| 584 | past events, using company and industry data [ASME B31.8S, section |
| 585 | 5.7(c)]; |
| 586 | iii. The risk assessment approach integrates the results of pipeline |
| 587 | inspections in the development of risk estimates [ASME B31.8S, section |
| 588 | 5.7(d)]; |
| 589 | iv. The risk assessment process includes a structured set of weighting |
| 590 | factors to indicate the relative level of influence of each risk |
| 591 | assessment component [ASME B31.8S, section 5.7(i)]; |
| 592 | v. The risk assessment process incorporates sufficient resolution of |
| 593 | pipeline segment size to analyze data as it exists along the pipeline |
| 594 | [ASME B31.8S, section 5.7(k)]; |
629 | 595 | |
630 | | |
| 596 | C.3.d. |
631 | 597 | |
632 | | |
633 | | |
634 | | |
635 | | |
636 | | |
637 | | |
638 | | |
639 | | |
640 | | |
641 | | |
642 | | |
643 | | |
644 | | |
645 | | |
| 598 | Verify that the operator’s process provides for revisions to the risk |
| 599 | assessment if new information is obtained or conditions change on the |
| 600 | pipeline segments. Verify that the provisions for change to the risk |
| 601 | assessment address the following areas: |
| 602 | i. the risk assessment plan calls for recalculating the risk for each |
| 603 | segment to reflect the results from an integrity assessment or to |
| 604 | account for completed prevention and mitigation actions. [ASME B31.8S, |
| 605 | §5.11, 5.7(c)] |
| 606 | ii. the operator integrates the risk assessment process into field |
| 607 | reporting, engineering, facility mapping, and other processes as |
646 | 608 | necessary to ensure regular updates. [ASME B31.8S, §5.4] |
647 | | |
648 | | |
649 | | |
650 | | |
651 | | |
652 | | |
653 | | |
654 | | |
655 | | |
656 | | |
657 | | |
658 | | |
659 | | |
| 609 | iii. the integrity management plan calls for revision to the risk |
| 610 | assessment process if pipeline maintenance or other activities |
| 611 | identify inaccuracies in the characterization of the risk for any |
| 612 | segments. [§192.917(c); ASME B31.8S, §5.12] |
| 613 | iv. the operator uses a feedback mechanism to ensure that the risk |
| 614 | model is subject to continuous validation and improvement. |
| 615 | [§192.917(c); ASME B31.8S, §5.7(f)] |
660 | 616 | |
661 | | |
| 617 | C.3.e. |
662 | 618 | |
663 | | |
664 | | |
665 | | |
666 | | |
667 | | |
668 | 619 | Verify that adequate time and personnel have been allocated to permit |
669 | 620 | effective completion of the selected risk assessment approach. [ASME |
670 | 621 | B31.8S, §5.7(b)] |
671 | 622 | |
672 | | |
673 | | |
674 | | |
675 | | |
676 | | |
677 | | |
678 | | |
679 | | |
680 | | |
681 | | |
682 | | |
683 | | |
684 | | |
685 | | |
686 | | |
687 | | |
688 | | |
689 | | |
690 | | |
691 | | |
692 | | |
693 | | |
694 | | |
695 | | |
696 | | |
697 | | |
698 | | |
699 | | |
700 | | |
701 | | |
702 | | |
703 | | |
704 | | |
705 | | |
706 | | |
707 | | |
708 | | |
709 | | |
710 | | |
711 | | |
712 | | |
713 | | |
714 | | |
715 | | |
716 | | |
717 | | |
718 | | |
719 | | |
720 | | |
721 | | |
722 | | |
723 | | |
724 | | |
725 | | |
726 | | |
727 | | |
728 | | |
729 | | |
730 | | |
731 | | |
732 | | |
733 | | |
734 | | |
735 | | |
736 | | |
737 | | |
| 623 | C.4. Validation of the Risk Assessment |
738 | 624 | |
739 | | |
740 | | |
741 | | |
| 625 | Verify that the integrity management program identifies and documents |
| 626 | a process to validate the results of the risk assessments. |
| 627 | [§192.917(c); ASME B31.8S, §5.12] |
742 | 628 | |
743 | | |
| 629 | C.4.a. |
744 | 630 | |
745 | | |
746 | | |
747 | | |
748 | | |
749 | | |
| 631 | Verify that the validation process includes a check that the risk |
| 632 | results are logical and consistent with the operator’s and other |
| 633 | industry experience. [§192.917(c); ASME B31.8S, §5.12] |
750 | 634 | |
751 | | |
752 | | |
753 | | |
754 | | |
755 | | |
756 | | |
757 | | |
758 | | |
759 | | |
760 | | |
761 | | |
762 | | |
763 | | |
764 | | |
765 | | |
766 | | |
767 | | |
768 | | |
769 | | |
770 | | |
771 | | |
| 635 | C.5. Plastic Transmission Pipeline |
772 | 636 | |
773 | | |
| 637 | If the operator has plastic transmission pipelines, verify that the |
774 | 638 | operator assesses applicable threats to each covered segment of |
775 | 639 | plastic line. [§192.917(d)] |
776 | 640 | |
777 | | |
| 641 | C.5.a. |
778 | 642 | |
779 | | |
| 643 | If the operator has plastic transmission lines, verify that the |
780 | 644 | information in sections 4 and 5 of ASME B31.8S and any unique threats |
781 | | |
782 | | |
| 645 | to the integrity of plastic pipe have been considered when assessing |
| 646 | the threats to each covered segment of plastic pipeline. |
| 647 | [§192.917(d)] |
783 | 648 | |
784 | 649 | D.01. ECDA Programmatic Requirements |
785 | 650 | |
786 | 651 | If the operator elects to use ECDA, verify that the operator develops |
787 | 652 | and implements an ECDA plan in accordance with §192.925. |
788 | 653 | |
789 | | |
790 | 654 | D.01.a. |
791 | 655 | |
792 | | |
793 | | |
| 656 | Verify that the operator developed a documented ECDA plan, and |
| 657 | developed procedures to implement the plan. [§192.925(b)] |
794 | 658 | |
795 | 659 | D.01.b. |
796 | 660 | |
797 | 661 | Verify that the operator applies more restrictive criteria when |
798 | 662 | conducting ECDA for the first time on a covered segment. |
799 | 663 | [§§192.925(b)(1)(i), (b)(2)(i), & (b)(3)(i)] |
800 | 664 | |
801 | 665 | D.01.c. |
802 | 666 | |
803 | | |
804 | | |
805 | | |
806 | | |
807 | | |
808 | 667 | Verify that the operator’s ECDA procedures have a process to address |
809 | | |
810 | | |
811 | | |
812 | | |
| 668 | pipeline coating indications. The procedures must provide for |
| 669 | integrating ECDA data with encroachment and foreign line crossing |
| 670 | data to evaluate the covered segment for the threat of third party |
813 | 671 | damage, and to address this threat as required by §192.917(e) (1) (See |
814 | | |
| 672 | Protocol C.2 & C.3). [[§192.917(b) & (e) and §192.925 (b)] |
815 | 673 | |
816 | | |
817 | | |
818 | | |
819 | | |
820 | | |
821 | | |
822 | | |
823 | | |
824 | | |
825 | | |
826 | | |
827 | | |
828 | | |
829 | 674 | D.02. ECDA Pre-Assessment |
830 | 675 | |
831 | 676 | Verify that the ECDA Pre-assessment process complies with ASME B31.8S |
832 | 677 | §6.4 and NACE RP0502-2002 to (1) determine if ECDA is feasible for the |
833 | 678 | pipeline to be evaluated, (2) identify ECDA regions and (3) select |
834 | 679 | Indirect Inspection Tools. [§192.925(b)(1)] |
| 680 | |
835 | 681 | |
836 | 682 | D.02.a. |
837 | 683 | |
838 | 684 | Verify that the operator *identifies and collects adequate data* to |
839 | 685 | support ECDA pre-assessment. [NACE RP0502 §3.2] |
840 | 686 | |
841 | 687 | D.02.b. |
842 | 688 | |
843 | 689 | Verify that the operator conducts an ECDA *feasibility assessment* by |
844 | 690 | integrating and analyzing the data collected. [NACE RP0502 § 3.3] |
845 | 691 | |
| 692 | |
846 | 693 | D.02.c. |
847 | 694 | |
848 | 695 | Verify that the operator complies with all requirements for |
849 | 696 | appropriate indirect inspection *tools selection*: [NACE RP0502 § 3.4 |
850 | | |
| 697 | & Table 2, & 192.925(b)(1)(ii)] |
851 | 698 | i. A minimum of 2 complementary tools must be selected such that the |
852 | 699 | strengths of one tool compensate for the limitations of the other |
853 | 700 | tool. (Note: The operator must consider whether more than two |
854 | 701 | indirect inspection tools are needed to reliably detect corrosion |
855 | 702 | activity.) |
856 | 703 | ii. Tools are able to assess and reliably detect corrosion activity |
857 | | |
| 704 | and/or coating holidays. |
858 | 705 | iii. Verify that the operator documents the basis for its tool |
859 | 706 | selection. |
860 | 707 | iv. If the operator utilizes an indirect inspection method not listed |
861 | 708 | in Appendix A of NACE RP0502 verify that the operator justifies and |
862 | 709 | documents the method’s applicability, validation basis, equipment |
863 | 710 | used, application procedure, and utilization of data. |
864 | 711 | [§192.925(b)(1)(ii)] |
865 | 712 | |
866 | 713 | D.02.d. |
867 | 714 | |
868 | 715 | Verify that the operator *identifies ECDA Regions* based on the use of |
869 | 716 | data integration results applied to specified criteria. [NACE RP0502 |
870 | 717 | §3.5] |
871 | 718 | |
872 | 719 | D.03. ECDA Indirect Examination |
873 | 720 | |
874 | 721 | Verify that the ECDA Indirect Examination process complies with ASME |
875 | 722 | B31.8S, Section 6.4 and NACE RP 0502-2002 Section 4 to identify and |
876 | | |
877 | | |
878 | | |
| 723 | characterize the severity of coating fault indications, other |
| 724 | anomalies, and areas at which corrosion activity may have occurred or |
| 725 | may be occurring, and establish priorities for excavation. |
| 726 | [§192.925(b)(2)] |
879 | 727 | |
880 | 728 | D.03.a. |
881 | 729 | |
882 | 730 | Verify that the operator *conducts indirect examination measurements* |
883 | 731 | in accordance with NACE RP0502, §4.2. |
884 | 732 | i. Verify that the operator identifies and clearly marks the |
885 | 733 | boundaries of each ECDA region. [NACE RP0502 §4.2.1] |
886 | | |
| 734 | ii. Verify that the operator performs indirect inspections over the |
887 | 735 | entire lengths of each ECDA region and that the inspections conform to |
888 | 736 | generally accepted industry practices. [NACE RP0502 §4.2.2] |
889 | | |
| 737 | iii. Verify that the operator specifies and follows generally accepted |
890 | 738 | industry practices for conducting ECDA indirect inspections and |
891 | 739 | analyzing results. [NACE RP0502 §4.2.2] |
892 | | |
893 | | |
894 | | |
| 740 | iv. Verify that the operator specifies the physical spacing of |
| 741 | readings (and the practices for changing the spacing as needed) such |
| 742 | that suspected corrosion activity on the segment can be detected and |
895 | 743 | located. [NACE RP0502 §4.2.3] |
896 | 744 | |
897 | 745 | D.03.b. |
898 | 746 | |
899 | | |
900 | | |
901 | | |
| 747 | Verify that the operator properly aligns indications and compares the |
| 748 | data from each indirect examination to characterize both the severity |
| 749 | of indications and urgency for direct examination in accordance with |
| 750 | NACE RP0502 §§4.3 & 5.2. |
902 | 751 | i. Verify the operator specifies criteria for identifying and |
903 | 752 | documenting those indications that must be considered for excavation |
904 | 753 | and direct examination. Minimum criteria include |
905 | 754 | 1. Known sensitivities of assessment tools |
906 | | |
907 | | |
| 755 | 2. The procedures for using each tool |
| 756 | 3. The approach to be used for decreasing the physical spacing of |
908 | 757 | indirect assessment tool readings when the presence of a defect is |
909 | 758 | suspected. [§192.925(b)(2)(ii) & & NACE RP0502 §4.3.1.1] |
910 | | |
| 759 | ii. Verify that the operator specifies and applies criteria for |
911 | 760 | classification of the severity of each indication. [NACE RP0502 |
912 | 761 | §4.3.2], |
913 | | |
914 | | |
915 | | |
916 | | |
917 | | |
| 762 | 1. Verify that the operator considers the impact of spatial errors |
918 | 763 | when aligning indirect examination results. [NACE RP0502 §4.3.1.2] |
919 | | |
| 764 | 2. Verify that the operator compares the results from the indirect |
920 | 765 | inspections and determines the consistency of indirect inspections |
921 | 766 | results to resolve conflicting or differing indications by the primary |
922 | 767 | and secondary tools. [NACE RP0502 §4.3.3] |
923 | | |
| 768 | 3. Verify that the operator compares indirect inspection results with |
924 | 769 | pre-assessment results to confirm or reassess ECDA feasibility and |
925 | 770 | ECDA Region definitions. [NACE RP0502 §4.3.4] |
| 771 | iii. Verify that the operator specified and applies criteria for |
| 772 | defining the urgency level (i.e., immediate, scheduled, or monitored) |
| 773 | with which excavation and direct examination of indications will be |
| 774 | conducted based on the likelihood of current corrosion activity plus |
| 775 | the extent and severity of prior corrosion. [§192.925(b)(2)(iii) & |
| 776 | (iv) and NACE RP0502 §5.2] |
926 | 777 | |
927 | 778 | D.04. ECDA Direct Examination |
928 | 779 | |
929 | 780 | Verify that the ECDA Direct Examination process complies with ASME |
930 | | |
931 | | |
932 | | |
933 | | |
| 781 | B31.8S, Section 6.4 and NACE RP 0502-2002, Section 5 to collect data |
| 782 | to assess corrosion activity and remediate defects discovered. [NACE |
| 783 | RP 0502 §5.1.1 & §192.925(b)(3)] |
934 | 784 | |
935 | 785 | D.04.a. |
936 | 786 | |
937 | | |
938 | | |
939 | | |
940 | | |
941 | | |
942 | | |
943 | | |
944 | | |
945 | | |
| 787 | Verify that the operator performs excavations and data collection in |
| 788 | accordance with NACE RP0502 §§5.3, 5.4, 5.10, and 6.4.2. |
946 | 789 | i. Verify that the operator makes excavations based on priority |
947 | 790 | categories described in §5.2 of RP0502. [NACE RP0502 §5.3.1] |
948 | | |
| 791 | ii. Verify that the operator identifies and implements minimum |
949 | 792 | requirements for data collection, measurements, and recordkeeping, to |
950 | 793 | evaluate coating condition and significant corrosion defects at each |
951 | 794 | excavation location. [NACE RP0502 §§5.3, 5.4 & Appendices A, B, and |
952 | 795 | C] |
| 796 | iii. Verify that the number and location of direct examinations |
| 797 | complies with NACE RP0502 §§5.10 and 6.4.2 |
953 | 798 | |
954 | | |
| 799 | D.04.b. |
955 | 800 | |
956 | | |
957 | | |
958 | | |
959 | | |
960 | | |
| 801 | Verify that the operator determines the remaining strength at |
| 802 | locations where corrosion defects are found. Any corrosion defects |
| 803 | discovered during direct examinations must be remediated in accordance |
| 804 | with §192.933. [§192.925(b)(3)(ii), 192.933, & NACE RP0502 §§5.5] |
961 | 805 | |
962 | | |
| 806 | D.04.c. |
963 | 807 | |
964 | | |
965 | | |
966 | | |
967 | | |
| 808 | Verify that the operator identifies the root cause of all significant |
| 809 | corrosion activity, [NACE RP0502 §5.6] and identifies and reevaluates |
| 810 | all other indications that occur in the pipeline segment where similar |
| 811 | root-cause conditions exist. [NACE RP0502 §5.9.3] |
968 | 812 | i. Verify that the operator considers alternative methods of assessing |
969 | 813 | the integrity of the pipeline segment if the operator’s root cause |
970 | 814 | analysis uncovers problems for which ECDA is not well suited. [NACE |
971 | 815 | RP0502 §5.6.2 & §192.925(b)(3)(ii)(b)] |
972 | 816 | |
973 | | |
| 817 | D.04.d. |
974 | 818 | |
975 | | |
976 | | |
977 | | |
978 | | |
979 | | |
980 | | |
| 819 | Verify that the operator mitigates or precludes future external |
| 820 | corrosion resulting from significant root causes. [NACE RP0502 §5.7] |
981 | 821 | |
982 | | |
| 822 | D.04.e. |
983 | 823 | |
984 | 824 | Verify that the operator performs an evaluation of the indirect |
985 | 825 | inspection data, the results from the remaining strength evaluation |
986 | | |
987 | | |
| 826 | and root cause analysis to evaluate the criteria and assumptions used |
| 827 | to: [NACE RP0502 §5.8] |
| 828 | RP0502 §5.7 & 192.933] |
988 | 829 | i. Categorize the need for repairs, |
989 | | |
990 | | |
991 | | |
| 830 | ii. Classify the severity of individual indications, |
992 | 831 | |
993 | | |
| 832 | D.04.f. |
994 | 833 | |
995 | 834 | As appropriate, verify the basis upon which the operator may |
996 | | |
997 | | |
| 835 | reclassify and reprioritize indications in accordance with any of the |
| 836 | provisions that are specified in §5.9 of NACE RP0502-2002. |
998 | 837 | [§192.925(b)(3)(iv)] |
999 | 838 | |
1000 | | |
| 839 | D.04.g. |
1001 | 840 | |
1002 | | |
1003 | | |
1004 | | |
1005 | | |
1006 | | |
1007 | 841 | Verify the operator establishes and implements criteria and internal |
1008 | | |
| 842 | notification procedures for any changes in the ECDA Plan, including |
1009 | 843 | changes that affect the severity classification, the priority of |
1010 | 844 | direct examination, and the time frame for direct examination of |
1011 | 845 | indications. [§§192.925(b)(3)(iii), 192.909, & 192.911(k)] |
1012 | 846 | |
1013 | | |
| 847 | D.04.h. |
1014 | 848 | |
1015 | | |
1016 | | |
1017 | | |
1018 | | |
| 849 | Verify that the operator has a process to consider the use of |
| 850 | assessment methods other than ECDA (i.e., ILI or Subpart J pressure |
| 851 | test) to assess the impact of defects other than external corrosion |
| 852 | (e.g., mechanical damage and stress corrosion cracking) discovered |
| 853 | during direct examination. [NACE RP0502 §5.1.5 & 192.933] |
1019 | 854 | |
1020 | 855 | D.05. ECDA Post-Assessment |
1021 | 856 | |
1022 | 857 | Verify that the ECDA Post assessment process complies with ASME |
1023 | 858 | B31.8S, Section 6.4 and NACE RP 0502-2002, Section 6, to (1) define |
1024 | 859 | reassessment intervals and (2) assess the overall effectiveness of the |
1025 | 860 | ECDA process. [§§192.925(b)(4) & 192.939] |
1026 | 861 | |
1027 | 862 | D.05.a. |
1028 | 863 | |
1029 | 864 | Verify that the operator determined *reassessment intervals* in |
1030 | 865 | accordance with NACE RP0502 §6. |
1031 | 866 | i. Verify the adequacy of the operators remaining life calculations. |
1032 | 867 | [NACE RP0502 §6.2] |
1033 | | |
1034 | | |
| 868 | ii. Verify that the maximum re-assessment intervals for each region |
| 869 | are one half the calculated remaining life. [NACE RP 0502 §§ 6.1.3 & |
| 870 | 6.3] |
1035 | 871 | |
1036 | 872 | D.05.b. |
1037 | 873 | |
1038 | | |
| 874 | Verify that the reassessment intervals are adjusted if required in |
1039 | 875 | accordance with special provisions in Subpart O, as follows: |
1040 | 876 | i. Verify that reassessment intervals do not exceed the maximum |
1041 | 877 | intervals (refer to Protocol F) established in §192.939, as follows: |
1042 | 878 | 1. 10 years for pipeline segments operating at SMYS levels greater |
1043 | 879 | than 50% |
1044 | 880 | 2. 15 years for those segments operating between 30 and 50% SMYS |
1045 | 881 | 3. 20 years for those segments operating below 30% SMYS |
1046 | | |
| 882 | ii. Verify that the operator specifies and applies criteria for |
1047 | 883 | evaluating whether conditions discovered by direct examination of |
1048 | 884 | indications in each ECDA region indicate a need for reassessment of |
1049 | 885 | the covered segment at an interval less than that specified in |
1050 | 886 | §192.939. [§192.925(b)(4)(ii)] |
1051 | 887 | |
1052 | 888 | D.05.c. |
1053 | 889 | |
1054 | | |
1055 | | |
| 890 | Verify that performance measures for ECDA effectiveness have been |
| 891 | defined and are monitored. [§§192.925 & 192.945(b) & NACE RP0502, |
| 892 | Section 6] |
| 893 | i. Verify that at least one additional, randomly selected anomaly |
| 894 | location has been excavated for process validation. [NACE RP0502, |
| 895 | §6.4.2] |
| 896 | ii. Verify that additional criteria have been established and |
| 897 | monitored to evaluate long-term program effectiveness such as those |
| 898 | identified in § 6.4.3 of NACE RP0502. [§192.945(b) & NACE RP0502, |
| 899 | §6.4.3] |
1056 | 900 | |
1057 | 901 | D.05.d. |
1058 | 902 | |
1059 | 903 | Verify the operator’s process has incorporated feedback at all |
1060 | 904 | appropriate opportunities throughout the ECDA process to demonstrate |
1061 | | |
1062 | | |
| 905 | feedback and continuous improvement. [192.907(a) & NACE RP0502 §6.5] |
1063 | 906 | |
1064 | 907 | D.06. Dry Gas ICDA Programmatic Requirements |
1065 | 908 | |
1066 | 909 | If the operator elects to use ICDA, verify that the operator develops |
1067 | 910 | and implements an ICDA plan in accordance with §192.927. |
1068 | 911 | |
1069 | 912 | D.06.a. |
1070 | 913 | |
1071 | 914 | Verify that the operator developed a documented ICDA plan |
1072 | 915 | [§192.927(c)] |
1073 | 916 | |
1074 | 917 | D.06.b. |
1075 | 918 | |
1076 | 919 | Verify that the operator’s plan defines criteria to be applied in |
1077 | 920 | making key decisions (e.g., ICDA feasibility, ICDA Region |
1078 | 921 | identification, conditions requiring excavation) in implementing each |
1079 | 922 | stage of the ICDA process. [§192.927(c)(5)(i)] |
1080 | 923 | |
1081 | 924 | D.06.c. |
1082 | 925 | |
1083 | 926 | Verify that the operator’s plan contains provisions for applying more |
1084 | 927 | restrictive criteria when conducting ICDA for the first time on a |
1085 | 928 | covered segment [§192.927(c)(5)(ii)] |
1086 | 929 | |
1087 | 930 | D.06.d. |
1088 | 931 | |
1089 | 932 | Verify that the operator’s plan contains provisions for carrying out |
1090 | 933 | ICDA on the entire pipeline in which covered segments are present, |
1091 | 934 | except that application of the remediation criteria of 192.933 may be |
1092 | 935 | limited to covered segments. [§192.927(c)(5)(iii)] |
1093 | 936 | |
1094 | 937 | D.06.e. |
1095 | 938 | |
1096 | 939 | Verify that the operator implements the ICDA plan. [§192.927(c)] |
1097 | 940 | |
1098 | | |
1099 | | |
1100 | | |
1101 | | |
1102 | | |
1103 | | |
1104 | | |
1105 | | |
1106 | | |
1107 | | |
1108 | | |
1109 | | |
1110 | | |
1111 | | |
1112 | 941 | D.07. Dry Gas ICDA Pre-Assessment |
1113 | 942 | |
1114 | 943 | For dry gas systems, verify that the operator gathers, integrates and |
1115 | | |
1116 | | |
| 944 | analyzes data and information to accomplish pre-assessment objectives |
| 945 | and identify ICDA Regions. [§192.927(c)(1)& (2), ASME/ANSI B31.8S, |
| 946 | §6.4.2 & Appendices A.2 & B.2] |
| 947 | |
1117 | 948 | |
1118 | 949 | D.07.a. |
1119 | 950 | |
1120 | 951 | Verify that the operator collects, as a minimum, the following *data |
1121 | 952 | and information*: |
1122 | 953 | i. All data elements listed in ASME B31.8S Appendix A.2 |
1123 | 954 | [§192.927(c)(1)(i)] |
1124 | 955 | i. Information needed to support use of a model to identify areas |
1125 | 956 | where internal corrosion is most likely, including locations of all 1) |
1126 | 957 | gas input and withdrawal points, 2) low points such as sags, drips, |
1127 | 958 | inclines, valves, manifolds, dead-legs, and traps, 3) elevation |
1128 | 959 | profile in sufficient detail for angles of inclination to be |
1129 | 960 | calculated, and 4) the range of expected gas velocities within the |
1130 | 961 | pipeline; [§192.927(c)(1)(ii)] |
1131 | 962 | i. Operating experience data that would indicate historic upsets in |
1132 | 963 | gas conditions, locations where these upsets have occurred, and |
1133 | 964 | potential damage resulting from these upset conditions |
1134 | 965 | [§192.927(c)(1)(iii)] |
1135 | 966 | i. Information where cleaning pigs may not have been used or where |
1136 | 967 | cleaning pigs may deposit electrolytes. [§192.927(c)(1)(iv)] |
1137 | 968 | |
1138 | 969 | D.07.b. |
1139 | 970 | |
1140 | 971 | Verify that the operator integrates the data collected and uses the |
1141 | | |
| 972 | integrated data analysis to evaluate and document the following: |
1142 | 973 | i. Feasibility of performing ICDA on its pipe segments |
1143 | 974 | [§192.927(c)(1)] |
1144 | | |
1145 | | |
| 975 | ii. Identification of all ICDA Regions and the location of each |
| 976 | region. [§192.927(c)(1) & (2)] |
| 977 | iii. Support use of a model to identify the locations along the pipe |
1146 | 978 | segment where electrolyte may accumulate [§192.927(c)(1)] |
1147 | 979 | i. Identify areas within the covered segment where liquids may be |
1148 | 980 | potentially entrained. [§192.927(c)(1)] |
1149 | 981 | |
1150 | | |
1151 | | |
1152 | | |
1153 | | |
1154 | | |
1155 | | |
| 982 | D.07.c. |
1156 | 983 | |
1157 | | |
| 984 | Verify the operator’s plan uses the model in GRI 02-0057 ICDA of Gas |
1158 | 985 | Transmission Pipelines- Methodology (or equivalent acceptable model) |
1159 | 986 | to define critical pipe angle of inclination above which water film |
1160 | 987 | cannot be transported by the gas, and that the model considers, as a |
1161 | 988 | minimum: [§192.927(c)(2)] |
1162 | 989 | i. Changes in pipe diameter, [§192.927(c)(2)] |
1163 | | |
1164 | | |
1165 | | |
1166 | | |
1167 | | |
| 990 | ii. Locations where gas enters a line, [§192.927(c)(2)] |
| 991 | iii. Locations down stream of gas draw-offs. [§192.927(c)(2)] |
| 992 | iv. Other conditions that may result in changes in gas velocity. |
| 993 | [§192.927(c)(2) & GRI 02-0057] |
1168 | 994 | |
1169 | | |
1170 | | |
1171 | | |
1172 | | |
| 995 | D.08. Dry Gas ICDA Direct Examination |
1173 | 996 | |
1174 | 997 | For dry gas systems, verify that the operator (1) identifies locations |
1175 | 998 | where internal corrosion is most likely in each ICDA region and (2) |
1176 | | |
| 999 | performs direct examinations of those locations. [§192.927(b)& |
| 1000 | 192.927(c)(3), ASME B31.8S §6.4 and Appendix B.2] |
1177 | 1001 | |
1178 | | |
| 1002 | D.08.a. |
1179 | 1003 | |
1180 | | |
1181 | | |
1182 | | |
1183 | | |
| 1004 | Verify the operator has identified locations where internal corrosion |
| 1005 | is most likely to exist in each ICDA region and where electrolyte |
| 1006 | accumulation is predicted. [§192.927(c)(3) & ASME B31.8S §6.4.2 and |
| 1007 | Appendix B2.3] |
1184 | 1008 | |
1185 | | |
| 1009 | D.08.b. |
1186 | 1010 | |
1187 | | |
| 1011 | Verify the operator requires a direct examination for internal |
1188 | 1012 | corrosion using ultrasonic thickness measurements, radiography, or |
1189 | 1013 | other generally accepted measurement technique of those covered |
1190 | 1014 | segment locations where internal corrosion is most likely to exist, |
1191 | 1015 | and includes as a minimum, the following: [§192.927(c)(3) & ASME |
1192 | | |
1193 | | |
1194 | | |
1195 | | |
1196 | | |
1197 | | |
1198 | | |
| 1016 | B31.8S §6.4.2 and Appendices B2.3 & B2.4] |
| 1017 | i. A minimum of two (2) locations within each ICDA region within a |
| 1018 | covered segment, |
| 1019 | 1.. At least one location must be the low point (e.g., sags, drips, |
| 1020 | valves, manifolds, deadlegs, traps) nearest the beginning of the ICDA |
| 1021 | region and |
| 1022 | 2.. The second location must be further downstream within a covered |
| 1023 | segment near the end of the ICDA Region (The end of the ICDA region is |
| 1024 | the farthest downstream location where the ICDA model predicts |
| 1025 | electrolytes could accumulate based on the critical angle of |
| 1026 | inclination above which water film cannot be transported by the gas). |
| 1027 | [§192.927(c)(2) & ASME B31.8S, Appendix B2.3] |
1199 | 1028 | |
1200 | | |
| 1029 | D.08.c. |
1201 | 1030 | |
1202 | | |
1203 | | |
| 1031 | If internal corrosion exists at any location directly examined, verify |
| 1032 | that the operator: [192.927(c)(3)] |
1204 | 1033 | i. Evaluates the severity of the defect and remediates the defect per |
1205 | 1034 | §192.933 (see Protocol E) [§192.927(c)(3)(i)], and |
1206 | 1035 | i. Either performs additional excavations or performs additional |
1207 | 1036 | assessment using an allowed alternative assessment method |
1208 | 1037 | [§192.927(c)(3)(ii)], and |
1209 | 1038 | i. Evaluates the potential for internal corrosion in all pipeline |
1210 | 1039 | segments (both covered and non-covered) in the operator’s pipeline |
1211 | 1040 | system with similar characteristics to the ICDA region containing the |
1212 | 1041 | covered segment in which the corrosion was found and remediates the |
1213 | 1042 | conditions per §192.933. [§192.927(c)(3)(iii)] |
1214 | 1043 | |
1215 | | |
| 1044 | D.09. Dry Gas ICDA Post-Assessment |
1216 | 1045 | |
1217 | 1046 | For dry gas systems, verify that the operator performs post-assessment |
1218 | 1047 | evaluation of ICDA effectiveness and continued monitoring of covered |
1219 | 1048 | segments where internal corrosion has been identified. |
1220 | 1049 | [§192.927(c)(4)] |
1221 | 1050 | |
1222 | | |
| 1051 | D.09.a. |
1223 | 1052 | |
1224 | 1053 | Verify the operator has a process for *evaluating the effectiveness* |
1225 | 1054 | of ICDA as an assessment method and *determining reassessment |
1226 | 1055 | intervals*. [§192.927(c)(4)(i) & ASME B31.8S Appendix B2.5] |
1227 | 1056 | i. Verify that if corrosion is found in areas where the pipeline |
1228 | 1057 | inclination is greater than the estimated critical inclination, that |
1229 | 1058 | the operator re-evaluates the critical inclination angle and |
1230 | 1059 | additional new areas are selected for direct examination. [ASME B31.8S |
1231 | 1060 | Appendix B2.5] |
1232 | | |
| 1061 | ii. Verify the operator’s process determines whether a segment must be |
1233 | 1062 | reassessed at intervals more frequently than those specified in |
1234 | 1063 | §192.939 using the largest defect most likely to remain in the covered |
1235 | 1064 | segment as the largest defect discovered in the ICDA segment and |
1236 | 1065 | estimating the reassessment interval as half the time required for the |
1237 | 1066 | largest defect to grow to critical size. Verify that this evaluation |
1238 | 1067 | is to be carried out within one year of completion of the assessment. |
1239 | | |
1240 | | |
| 1068 | [§192.927(c)(4)(i) & §192.939(a)(3)] |
| 1069 | iii. Verify the operator’s reassessment intervals comply with the |
1241 | 1070 | following maximum allowed intervals in accordance with 192.939 (see |
1242 | 1071 | Protocol F). [§192.939(b)] |
1243 | 1072 | 1. 10 years for segments operating at SMYS levels greater than 50% |
1244 | 1073 | 1. 15 years for segments operating between 30 and 50% SMYS |
1245 | 1074 | 1. 20 years for segments operating below 30% SMYS |
1246 | 1075 | |
1247 | | |
| 1076 | D.09.b. |
1248 | 1077 | |
1249 | | |
| 1078 | Verify the operator continually monitors each covered segment where |
1250 | 1079 | internal corrosion has been identified using techniques such as |
1251 | 1080 | coupons, UT sensors or electronic probes, periodically drawing off |
1252 | 1081 | liquids at low points and chemically analyzing them for corrosion |
1253 | 1082 | products. [§192.927(c)(4)(ii)] |
1254 | 1083 | i. Verify the operator has a process to determine the frequency for |
1255 | 1084 | monitoring and liquid analysis based on all integrity assessments |
1256 | 1085 | results conducted in accordance with 192 Subpart O and risk factors |
1257 | 1086 | specific to the covered segment. [§192.927(c)(4)(ii), ASME B31.8S |
1258 | 1087 | Appendix A2.2] |
1259 | | |
1260 | | |
1261 | | |
1262 | | |
1263 | | |
1264 | | |
1265 | | |
| 1088 | ii. Verify the operator’s process requires that if any evidence of |
| 1089 | corrosion products is found in the covered segment, prompt action must |
| 1090 | be taken including, as a minimum: [§192.927(c)(4)(ii)] |
| 1091 | 1. Remediate the conditions the operator finds in accordance with |
1266 | 1092 | §192.933, and |
1267 | | |
| 1093 | 2. Implement one of the two following required actions: (1) Conduct |
1268 | 1094 | excavations of covered segments at locations downstream from where the |
1269 | 1095 | electrolyte might have entered the pipe, or (2) assess the covered |
1270 | 1096 | segment using another integrity assessment method allowed by Subpart |
1271 | 1097 | O. |
1272 | 1098 | |
1273 | | |
| 1099 | D.10. Wet Gas ICDA Programmatic Requirements – |
1274 | 1100 | |
1275 | 1101 | If the operator elects to use ICDA to assess a covered segment |
1276 | 1102 | operating with electrolyte present in the gas stream (wet gas), verify |
1277 | 1103 | that the operator develops and implements an ICDA plan in accordance |
1278 | 1104 | with §192.927 which addresses the following. [§192.927(b)] |
1279 | 1105 | |
1280 | | |
| 1106 | D.10.a. |
1281 | 1107 | |
1282 | 1108 | Verify that the operator developed a documented ICDA plan which |
1283 | 1109 | demonstrates how the operator will conduct ICDA on the entire pipeline |
1284 | 1110 | in which covered segments are present to effectively address internal |
1285 | 1111 | corrosion. [§192.927(c)] |
1286 | 1112 | |
1287 | | |
| 1113 | D.10.b. |
1288 | 1114 | |
1289 | 1115 | Verify the operator has provided notification to OPS of an ICDA wet |
1290 | 1116 | gas "other technology" application in accordance with §192.921 (a) (4) |
1291 | 1117 | or §192.937 (c) (4). [§192.927(b)] |
1292 | 1118 | |
1293 | | |
| 1119 | D.11. SCCDA Data Gathering & Evaluation |
1294 | 1120 | |
1295 | 1121 | Verify that the operator’s SCCDA evaluation process complies with |
1296 | 1122 | ASME/ANSI B31.8S, Appendix A3 in order to identify whether conditions |
1297 | 1123 | for SCC of gas line pipe are present and to prioritize the covered |
1298 | 1124 | segments for assessment. [§192.929(b)(1)] |
1299 | 1125 | |
1300 | | |
| 1126 | D.11.a. |
1301 | 1127 | |
1302 | 1128 | Verify that the operator has a process to *gather, integrate, and |
1303 | 1129 | evaluate data* for all covered segments to identify whether the |
1304 | 1130 | conditions for SCC are present and to prioritize the covered segments |
1305 | 1131 | for assessment. [192.929(b)(1)] |
1306 | 1132 | i. Verify that the operator’s gathers and evaluates data related to |
1307 | 1133 | SCC at all sites it excavates during the conduct of its pipeline |
1308 | 1134 | operations (not just covered segments) where the criteria indicate the |
1309 | 1135 | potential for SCC. [192.929(b)(1) & ASME/ANSI B31.8S, Appendix A3.3] |
1310 | 1136 | i. Verify that the data includes, as a minimum, the data specified in |
1311 | 1137 | ASME/ANSI B31.8S, Appendix A3. |
1312 | 1138 | i. Verify that the operator addresses missing data by either using |
1313 | 1139 | conservative assumptions or assigning a higher priority to the |
1314 | 1140 | segments affected by the missing data, as required by ASME/ANSI |
1315 | 1141 | B31.8S, Appendix A3.2. |
1316 | 1142 | |
1317 | | |
| 1143 | D.12. SCCDA Assessment, Examination, & Threat Remediation |
1318 | 1144 | |
1319 | 1145 | Verify that covered segments (for which conditions for SCC are |
1320 | 1146 | identified) are assessed, examined, and the threat remediated. |
1321 | 1147 | [§192.929(b)(2)] |
1322 | 1148 | |
1323 | | |
| 1149 | D.12.a. |
1324 | 1150 | |
1325 | 1151 | Verify that, if conditions for SCC are present, that the operator |
1326 | 1152 | *conducts an assessment* using one of the methods specified in |
1327 | 1153 | ASME/ANSI B31.8S, Appendix A3. |
1328 | 1154 | |
1329 | | |
| 1155 | D.12.b. |
1330 | 1156 | |
1331 | 1157 | Verify that the operator’s plan specifies an acceptable *inspection, |
1332 | 1158 | examination, and evaluation plan* using either the Bell Hole |
1333 | 1159 | Examination and Evaluation Method (that complies with all requirements |
1334 | 1160 | of ASME B31.8S Appendix A3.4 (a)) or Hydrostatic Testing (that |
1335 | 1161 | complies with all requirements of A3.4 (b)). |
1336 | 1162 | i. Verify, that the operator’s plan requires that for pipelines which |
1337 | 1163 | have experienced an in-service leak or rupture attributable to SCC, |
1338 | 1164 | that the particular segment(s) be subjected to a hydrostatic pressure |
1339 | 1165 | test (that complies with ASME/ANSI B31.8S, Appendix A3.4 (b)) within |
1340 | 1166 | 12 months of the failure, using a documented hydrostatic retest |
1341 | 1167 | program developed specifically for the affected segment(s), as |
1342 | 1168 | required by ASME/ANSI B31.8S, Appendix A3.4. |
1343 | 1169 | |
1344 | | |
| 1170 | D.12.c. |
1345 | 1171 | |
1346 | 1172 | Verify that assessment results are used to determine *reassessment |
1347 | 1173 | intervals* in accordance with §192.939(a)(3); (see Protocol F). |
1348 | 1174 | [§192.939(a)(3)] |
1349 | 1175 | |
1350 | 1176 | E.1. Program Requirements for Discovery, Evaluation and Remediation Scheduling |
1351 | 1177 | |
1352 | 1178 | Verify that provisions exist to discover and evaluate all anomalous |
1353 | 1179 | conditions resulting from integrity assessment and remediate those |
1354 | | |
| 1180 | which could reduce a pipeline’s integrity. [§192.933(a)] |
1355 | 1181 | |
1356 | | |
1357 | 1182 | E.1.a. |
1358 | 1183 | |
1359 | | |
| 1184 | Verify a definition of discovery is provided. [§192.933(b)] |
1360 | 1185 | |
1361 | 1186 | E.1.b. |
1362 | 1187 | |
1363 | 1188 | Verify a requirement exists to document the actual date of discovery. |
1364 | | |
| 1189 | [§192.933(b)] |
1365 | 1190 | |
1366 | 1191 | E.1.c. |
1367 | 1192 | |
1368 | 1193 | Verify a requirement exists to develop a schedule that prioritizes |
1369 | | |
| 1194 | evaluation and remediation of anomalous conditions. [§192.933(c)] |
1370 | 1195 | |
1371 | 1196 | E.1.d. |
1372 | 1197 | |
1373 | 1198 | If the operator desires to deviate from the timelines for remediation |
1374 | | |
1375 | | |
1376 | | |
1377 | | |
| 1199 | as provided in §192.933 by demonstrating exceptional performance, |
| 1200 | verify that the requirements of §192.913(b) have been met and the |
| 1201 | safety of the covered segment is not jeopardized. [§192.913(c)(2)](See |
| 1202 | Protocol F.5) |
1378 | 1203 | |
1379 | 1204 | E.2. Program Requirements for Identifying Anomalies |
1380 | 1205 | |
1381 | | |
1382 | | |
1383 | | |
1384 | | |
| 1206 | Inspect the operator’s program to verify that provisions exist for the |
| 1207 | classification and remediation of anomalies that meet the criteria |
| 1208 | for: (1) Immediate repair conditions; (2) One-year conditions; (3) |
| 1209 | Monitored conditions; or (4) Other conditions as specified in |
1385 | 1210 | ASME/ANSI B31 8S, Section 7 . [§§ 192.933(c) & 192.933(d)] |
1386 | 1211 | |
1387 | 1212 | E.2.a. |
1388 | 1213 | |
1389 | 1214 | Verify the program requires a temporary pressure reduction or the |
1390 | 1215 | pipeline to be shut down upon discovery of all immediate repair |
1391 | | |
| 1216 | conditions. [§192.933(d)(1)] |
1392 | 1217 | |
1393 | 1218 | E.2.b. |
1394 | 1219 | |
1395 | | |
1396 | | |
1397 | | |
1398 | | |
1399 | | |
1400 | | |
1401 | | |
1402 | | |
1403 | | |
1404 | | |
1405 | | |
1406 | | |
1407 | | |
| 1220 | Verify provisions exist to classify and categorize anomalies meeting |
| 1221 | the following criteria: |
| 1222 | i. Immediate Repair Conditions (Conditions requiring immediate |
| 1223 | remediation actions) |
| 1224 | 1. Calculated remaining strength indicates a failure pressure that is |
| 1225 | less than or equal to 1.1 times MAOP; [192.933(d)(1)] |
| 1226 | 2. A dent having any indication of metal loss, cracking, or a stress |
| 1227 | riser; [192.933(d)(1)] |
| 1228 | 3. An indication or anomaly that is judged by the person designated |
| 1229 | by the operator to evaluate assessment results as requiring immediate |
1408 | 1230 | action. [192.933(d)(1)] |
1409 | | |
1410 | | |
1411 | | |
1412 | | |
1413 | | |
1414 | | |
| 1231 | 4. Metal-loss indications affecting a detected longitudinal seam if |
| 1232 | that seam was formed by direct current or low-frequency electric |
| 1233 | resistance welding or by electric flash welding; [ASME B31.8S, Section |
| 1234 | 7.2.1] |
| 1235 | 5. All indications of stress corrosion cracks; [ASME B31.8S, Section |
| 1236 | 7.2.2]; or |
| 1237 | 6. Any indications that might be expected to cause immediate or |
| 1238 | near-term leaks or ruptures based on their known or perceived effects |
| 1239 | on the strength of the pipeline. [ASME B31.8S, Section 7.2.3] |
| 1240 | ii. One-Year Conditions (Conditions requiring remediation within one |
| 1241 | year of discovery). |
| 1242 | 1. A smooth dent located between the 8 and 4 o’clock positions (upper |
1415 | 1243 | 2/3 of the pipe) with a depth greater than 6% of the pipeline |
1416 | | |
1417 | | |
1418 | | |
| 1244 | diameter; [192.933(d)(2)] or, |
| 1245 | 2. A dent with a depth greater than 2% of the pipeline’s diameter, |
| 1246 | that affects pipe curvature at a girth weld or at a longitudinal seam |
1419 | 1247 | weld. [192.933(d)(2)] |
1420 | | |
1421 | | |
1422 | | |
1423 | | |
1424 | | |
1425 | | |
1426 | | |
1427 | | |
| 1248 | iii. Monitored Conditions (Conditions which must be monitored until |
| 1249 | the next assessment). |
| 1250 | 1. A dent with a depth greater than 6% of the pipeline diameter |
| 1251 | located between the 4 and 8 o’clock position (lower 1/3) of the pipe; |
| 1252 | [192.933(d)(3)] |
| 1253 | 2. A dent located between the 8 and 4 o’clock position (upper 2/3) of |
1428 | 1254 | the pipe with a depth greater than 6% of the pipeline diameter, and |
1429 | 1255 | engineering analysis to demonstrate critical strain levels are not |
1430 | | |
1431 | | |
| 1256 | exceeded; [192.933(d)(3)]or, |
| 1257 | 3. A dent with a depth greater than 2% of the pipeline diameter, that |
1432 | 1258 | affects pipe curvature at a girth weld or a longitudinal seam weld, |
1433 | 1259 | and engineering analysis of the dent and girth or seam weld to |
1434 | | |
| 1260 | demonstrate critical strain levels are not exceeded. [§192.933(d)(3)] |
1435 | 1261 | |
1436 | | |
| 1262 | E.2.c. |
1437 | 1263 | |
1438 | 1264 | Verify provisions exist to record and monitor anomalies that are |
1439 | 1265 | classified as "monitored conditions" during subsequent risk or |
1440 | 1266 | integrity assessments for any change in their status that would |
1441 | | |
| 1267 | require remediation. [§192.933(d)(3)] |
1442 | 1268 | |
1443 | | |
| 1269 | E.2.d. |
1444 | 1270 | |
1445 | 1271 | Verify that program requirements exist to meet the provisions of |
1446 | | |
1447 | | |
1448 | | |
| 1272 | ASME/ANSI B31.8S, Section 7, Figure 4 for scheduling and remediating |
| 1273 | any other threat conditions that do not meet the classification |
| 1274 | criteria of E.2.b, above. [§192.933(c)] |
1449 | 1275 | |
1450 | 1276 | E.3.. Operator Response when Timelines for Evaluation and Remediation Cannot be Met |
1451 | 1277 | |
1452 | 1278 | Verify that provisions exist to respond appropriately when the |
1453 | 1279 | operator is unable to meet time limits for evaluation and remediation. |
1454 | | |
| 1280 | [§192.933(a)]. |
1455 | 1281 | |
1456 | 1282 | E.3..a. |
1457 | 1283 | |
1458 | 1284 | Verify a requirement exists to take a temporary operating pressure |
1459 | 1285 | reduction or other action that ensures safety of the covered segment |
1460 | 1286 | in the event the operator is unable to respond within the timeframes |
1461 | | |
1462 | | |
1463 | | |
1464 | | |
1465 | | |
1466 | | |
1467 | | |
1468 | | |
1469 | | |
1470 | | |
1471 | | |
1472 | | |
1473 | | |
1474 | | |
1475 | | |
| 1287 | required by §192.933. [§192.933(a)] |
| 1288 | i. Verify a requirement exists to determine the appropriate pressure |
| 1289 | reduction using ASME/ANSI B31G, or "RSTRENG", or reduce pressure to a |
| 1290 | level not exceeding 80% of the level at the time the condition was |
| 1291 | discovered. [§192.933(a)] |
| 1292 | ii. Verify a requirement exists that when a pressure reduction is to |
| 1293 | exceed 365 days, a documented technical justification is developed |
| 1294 | that demonstrates continuation of the reduction will not jeopardize |
| 1295 | pipeline integrity. [§192.933(a)] |
1476 | 1296 | |
1477 | | |
| 1297 | E.3..b. |
1478 | 1298 | |
1479 | 1299 | Verify a requirement exists to document the justification, when a |
1480 | 1300 | remediation activity cannot be completed within established timeframe |
1481 | 1301 | requirements, that includes the reasons why the schedule cannot be met |
1482 | 1302 | and the basis for why the changed schedule will not jeopardize public |
1483 | | |
| 1303 | safety. [§192.933(c)] |
1484 | 1304 | |
1485 | | |
| 1305 | E.3..c. |
1486 | 1306 | |
1487 | 1307 | Verify a requirement exists to notify OPS in accordance with Section |
1488 | | |
1489 | | |
1490 | | |
1491 | | |
1492 | | |
1493 | | |
1494 | | |
1495 | | |
1496 | | |
| 1308 | 192.949 or the State or local pipeline safety authority, if |
| 1309 | applicable, when the operator cannot meet the schedule and cannot |
| 1310 | provide a temporary reduction in operating pressure or other action. |
| 1311 | [§192.933(c)] |
1497 | 1312 | |
1498 | 1313 | E.4.. Record Review for Discovery, Repair and Remediation Activities |
1499 | 1314 | |
1500 | 1315 | Inspect operator repair and remediation records to verify that |
1501 | 1316 | remediation activities have been conducted in accordance with program |
1502 | | |
| 1317 | requirements. [§192.933] |
1503 | 1318 | |
1504 | 1319 | E.4..a. |
1505 | 1320 | |
1506 | 1321 | Verify a prioritized schedule exists for evaluation and remediation of |
1507 | 1322 | anomalies identified during assessment or reassessment activities. |
1508 | | |
1509 | | |
1510 | | |
1511 | | |
1512 | | |
| 1323 | The prioritized schedule must document which of the criteria specified |
| 1324 | in §192.933(d) and/or ASME/ANS B31.8S were used as the basis for the |
| 1325 | schedule. [§§192.933(c) & 192.933(d)] |
1513 | 1326 | |
1514 | 1327 | E.4..b. |
1515 | 1328 | |
1516 | 1329 | Verify anomaly discovery was documented within 180 days of completion |
1517 | 1330 | of the assessment or reassessment, or else that compliance with the |
1518 | | |
| 1331 | 180-day period was impracticable. [§192.933(b)] |
1519 | 1332 | |
1520 | 1333 | E.4..c. |
1521 | 1334 | |
1522 | 1335 | Verify any remediation activities taken are sufficient to ensure that |
1523 | 1336 | the anomaly is unlikely to threaten the integrity of the pipeline |
1524 | | |
| 1337 | before the next scheduled reassessment. [§192.933(a)] |
1525 | 1338 | |
1526 | 1339 | E.4..d. |
1527 | 1340 | |
1528 | 1341 | Verify, for any immediate repair anomalies, a temporary pressure |
1529 | 1342 | reduction is taken by the operator on the pipeline and the reduced |
1530 | 1343 | pressure is determined in accordance with ASME/ANSI B31G, or |
1531 | 1344 | "RSTRENG", or that the reduced pressure does not exceed 80% of the |
1532 | | |
| 1345 | level at the time the condition was discovered. [§192.933(a)] |
1533 | 1346 | |
1534 | 1347 | E.4..e. |
1535 | 1348 | |
1536 | 1349 | Verify immediate repair conditions have been evaluated and remediated |
1537 | 1350 | on a |
1538 | 1351 | schedule established in accordance with the provisions of ASME B31.8S, |
1539 | | |
| 1352 | Section 7. [§192.933(d)(1)] |
1540 | 1353 | |
1541 | 1354 | E.4..f. |
1542 | 1355 | |
1543 | 1356 | Verify any pressure reduction taken has not exceeded 365 days from the |
1544 | 1357 | date of discovery unless a technical justification has been developed |
1545 | 1358 | to demonstrate that continuation of the pressure reduction will not |
1546 | | |
| 1359 | jeopardize the integrity of the pipeline. [§192.933(a)] |
1547 | 1360 | |
1548 | 1361 | E.4..g. |
1549 | 1362 | |
1550 | 1363 | Verify that remediation activities were completed in accordance with |
1551 | | |
| 1364 | scheduled timeframes. [§§192.933(c) & 192.933(d)] |
1552 | 1365 | |
1553 | 1366 | E.4..h. |
1554 | 1367 | |
1555 | | |
1556 | | |
1557 | | |
| 1368 | Verify that anomalies meeting any of the criteria of 192.933(d)(3) as |
| 1369 | "monitored conditions" are evaluated during subsequent risk and |
| 1370 | integrity assessments to identify any change that may require |
1558 | 1371 | remediation and that any required remediation is scheduled and |
1559 | 1372 | implemented in accordance with the applicable requirements of 192.933 |
1560 | | |
| 1373 | and ASME B31.8S [§192.933(d)] |
1561 | 1374 | |
1562 | 1375 | E.4..i. |
1563 | 1376 | |
1564 | 1377 | Verify any remediation activities that have not been completed in |
1565 | | |
| 1378 | accordance with §192.933 timeframes, and the operator has not provided |
1566 | 1379 | safety through a temporary pressure reduction, have been reported to |
1567 | 1380 | OPS and appropriate State or local authorities in accordance with the |
1568 | | |
| 1381 | requirements of §192.933(c) of the rule. [§192.933(c)] |
1569 | 1382 | |
1570 | 1383 | F.1. Periodic Evaluations |
1571 | 1384 | |
1572 | 1385 | Verify the operator conducts a periodic evaluation of pipeline |
1573 | 1386 | integrity based on data integration and risk assessment to identify |
1574 | 1387 | the threats specific to each covered segment and the risk represented |
1575 | 1388 | by these threats. [§192.917, 192.937(b)] |
1576 | 1389 | |
1577 | 1390 | F.1.a. |
1578 | 1391 | |
1579 | 1392 | Verify that periodic evaluations are conducted based on a data |
1580 | 1393 | integration and risk assessment of the entire pipeline as specified in |
1581 | 1394 | §192.917. The evaluation must consider the following: [§192.937(b), |
1582 | 1395 | 192.917] |
1583 | 1396 | i. Past and present assessment results |
1584 | 1397 | ii. Data integration and risk assessment information [§192.917] |
1585 | 1398 | iii. Decisions about remediation [§192.933] |
1586 | 1399 | iv. Additional preventive and mitigative actions [§192.935] |
1587 | 1400 | |
1588 | 1401 | F.1.b. |
1589 | 1402 | |
1590 | 1403 | Verify that periodic evaluations of data are thorough, complete, and |
1591 | 1404 | adequate for establishing reassessment methods and schedules. |
1592 | 1405 | [§192.937(b)] |
1593 | 1406 | |
1594 | 1407 | F.1.c. |
1595 | 1408 | |
1596 | 1409 | Verify that an appropriate interval is established for performing |
1597 | | |
1598 | | |
| 1410 | required periodic evaluations of threats and pipeline conditions |
| 1411 | following completion of the baseline assessment. [§192.937(b)] |
1599 | 1412 | |
1600 | 1413 | F.1.d. |
1601 | 1414 | |
1602 | 1415 | Verify that the operator periodically reviews the evaluation results |
1603 | 1416 | to determine if the new information warrants changes to reassessment |
1604 | 1417 | intervals and/or methods, and makes changes as appropriate. [§192.937] |
1605 | 1418 | |
1606 | 1419 | F.2. Reassessment Methods |
1607 | 1420 | |
1608 | 1421 | Verify that the approach for establishing the reassessment method is |
1609 | 1422 | consistent with the requirements in §192.937(c). [§192.937(c), |
1610 | 1423 | 192.941] |
1611 | 1424 | |
1612 | 1425 | F.2.a. |
1613 | 1426 | |
1614 | 1427 | Verify that one or more of the following assessment methods (depending |
1615 | 1428 | on the applicable threats) are specified: |
1616 | | |
1617 | | |
1618 | | |
1619 | | |
| 1429 | i. An internal inspection tool(s) capable of detecting corrosion and |
| 1430 | any other threats that the operator intends to address using this |
| 1431 | tool(s). The process must follow ASME/ANSI B31.8S, Section 6.2 in |
| 1432 | selecting the appropriate inspection tool. [§192.937(c)(1)] |
1620 | 1433 | ii. A pressure test conducted in accordance with subpart J. An |
1621 | 1434 | operator must use the test pressures specified in Table 3 of section 5 |
1622 | 1435 | of ASME/ANSI B31.8S, to justify an extended reassessment interval in |
1623 | 1436 | accordance with 192.939. Pressure test is appropriate for threats as |
1624 | | |
| 1437 | defined in ASME/ANSI B31.8S, section 6.3. [§192.937(c)(2)] |
1625 | 1438 | iii. Direct assessment – refer to Protocol D. [§192.937(c)(3)] |
1626 | 1439 | iv. Other technology that an operator demonstrates can provide an |
1627 | 1440 | equivalent understanding of the condition of the pipe. If other |
1628 | 1441 | technology is the method selected, the process should require that the |
1629 | 1442 | operator notify OPS at least 180 days before conducting the |
1630 | 1443 | assessment, in accordance with 192.949. Also, verify that |
1631 | 1444 | notification to a State or local pipeline safety authority is required |
1632 | 1445 | when either a covered segment is located in a State where OPS has an |
1633 | 1446 | interstate agent agreement, or an intrastate covered segment is |
1634 | 1447 | regulated by that State. [§192.937(c)(4)] |
1635 | 1448 | v. Confirmatory direct assessment when used on a covered segment that |
1636 | 1449 | is scheduled for a reassessment period longer than seven years. Refer |
1637 | 1450 | to Protocol G. [§192.937(c)(5)] |
1638 | 1451 | vi. If the operator is using "low stress reassessment" method, |
1639 | 1452 | evaluate the process using protocol question F.3. |
1640 | 1453 | |
1641 | 1454 | F.2.b. |
1642 | 1455 | |
1643 | 1456 | Review the methods selected for reassessments and verify that they are |
1644 | 1457 | appropriate for the identified threats. |
1645 | 1458 | |
1646 | 1459 | F.3. Low Stress Reassessment |
1647 | 1460 | |
1648 | 1461 | For pipelines operating at < 30% SMYS, the operator may choose to use |
1649 | 1462 | a "low stress reassessment" method to address threats of external and |
1650 | 1463 | internal corrosion. If this method is used, verify that the operator |
1651 | 1464 | addresses the following requirements [§192.941]: |
1652 | 1465 | |
1653 | 1466 | F.3.a. |
1654 | 1467 | |
1655 | 1468 | Verify that the operator completes a baseline assessment on the |
1656 | 1469 | covered segment prior to implementing the "low stress reassessment" |
1657 | 1470 | method. [§192.941(a)] |
1658 | 1471 | |
1659 | 1472 | F.3.b. |
1660 | 1473 | |
1661 | 1474 | If used to address external corrosion, verify that the operator has |
1662 | 1475 | incorporated the following: |
1663 | 1476 | i. If the pipe is cathodically protected, electrical surveys (i.e., |
1664 | 1477 | indirect examination tool/method) must be performed at least every 7 |
1665 | 1478 | years. The operator must use the results of each survey as part of an |
1666 | 1479 | overall evaluation of the cathodic protection and corrosion threat |
1667 | 1480 | for covered segments. This evaluation must consider, at a minimum, |
1668 | 1481 | the leak repair and inspection records, corrosion monitoring records, |
1669 | 1482 | exposed pipe records, and the pipeline environment. [§192.941(b)(1)] |
1670 | 1483 | ii. If the pipe is unprotected or cathodically protected where |
1671 | 1484 | electrical surveys are impractical, the operator must require (1) the |
1672 | 1485 | conduct of leakage surveys as required by 192.706, at 4-month |
1673 | 1486 | intervals; and (2) the identification and remediation of areas of |
1674 | 1487 | active corrosion every 18 months by evaluating leak repair and |
1675 | 1488 | inspection records, corrosion monitoring records, exposed pipe |
1676 | 1489 | records, and the pipeline environment. [§192.941(b)(1)] |
1677 | 1490 | |
1678 | 1491 | F.3.c. |
1679 | 1492 | |
1680 | 1493 | If used to address internal corrosion, verify that the operator has |
1681 | 1494 | incorporated all of the following: |
1682 | 1495 | i. Gas analysis for corrosive agents must be performed at least once |
1683 | 1496 | each calendar year. [§192.941(c)(1)] |
1684 | 1497 | ii. Periodic testing of fluids removed from the segment must be |
1685 | 1498 | conducted. At least once each calendar year the operator must test |
1686 | 1499 | the fluids removed from each storage field that may affect a covered |
1687 | 1500 | segment. [§192.941(c)(2)] |
1688 | 1501 | iii. At least every seven (7) years, the operator must integrate data |
1689 | 1502 | from the analysis and testing required by c.i and c.ii above with |
1690 | 1503 | applicable internal corrosion leak records, incident reports, and test |
1691 | 1504 | records, and define and implement appropriate remediation actions. |
1692 | 1505 | [§192.941(c)(3)] |
1693 | 1506 | |
1694 | 1507 | F.4. Reassessment Intervals |
1695 | 1508 | |
1696 | 1509 | Verify that the requirements for establishing the reassessment |
1697 | 1510 | intervals are consistent with section §192.939 and ASME B31.8S. [§ |
1698 | 1511 | 192.937(a), 192.939(a), 192.939(b), 192.913(c), ASME B31.8S-2001, |
1699 | 1512 | section 5, Table 3] |
1700 | 1513 | |
1701 | 1514 | F.4.a. |
1702 | 1515 | |
1703 | 1516 | Verify that the operator reassesses covered segments on which a |
1704 | 1517 | baseline assessment was conducted during the baseline period specified |
1705 | 1518 | in subpart 192.921(d) by no later than seven years after the baseline |
1706 | 1519 | assessment of that covered segment unless the reassessment evaluation |
1707 | 1520 | (refer to question F.1) indicates an earlier reassessment. |
1708 | 1521 | [§192.937(a)] |
1709 | 1522 | |
1710 | 1523 | F.4.b. |
1711 | 1524 | |
1712 | 1525 | For pipelines operating at or above 30% SMYS, verify that the operator |
1713 | 1526 | meets the following requirements: |
1714 | 1527 | i. If the operator establishes a reassessment interval greater than |
1715 | 1528 | seven (7) years, a confirmatory direct assessment (refer to Protocol |
1716 | | |
1717 | | |
1718 | | |
| 1529 | G) must be performed at intervals not to exceed seven (7) years |
| 1530 | followed by a reassessment at the interval established by the operator |
| 1531 | (refer below). [§192.939(a)] |
1719 | 1532 | ii. Unless a deviation is permitted under 192.913(c), the maximum |
1720 | 1533 | reassessment interval shall not exceed the values listed in the |
1721 | 1534 | 192.939(b) table. [§192.937(a)] |
1722 | 1535 | iii. If the reassessment method is a pressure test, ILI, or other |
1723 | 1536 | equivalent technology, the interval must be based on either: (1) the |
1724 | 1537 | identified threat(s) for the covered segment (see §192.917) and on the |
1725 | 1538 | analyses of the results from the last integrity assessment, and a |
1726 | 1539 | review of data integration and risk assessment; or (2) using the |
1727 | 1540 | intervals specified for different stress levels of pipeline listed in |
1728 | | |
| 1541 | ASME/ANSI B31.8S, section 5, Table 3. An operator must use the test |
1729 | 1542 | pressures specified in Table 3 of section 5 of ASME/ANSI B31.8S, to |
1730 | 1543 | justify an extended reassessment interval in accordance with §192.939. |
1731 | 1544 | [§192.939(a)(1)] |
1732 | 1545 | iv. If the reassessment method is external corrosion direct |
1733 | 1546 | assessment, internal corrosion direct assessment, or SCC direct |
1734 | 1547 | assessment refer to Protocol D for evaluating the operator’s interval |
1735 | 1548 | determination. |
1736 | 1549 | |
1737 | 1550 | F.4.c. |
1738 | 1551 | |
1739 | 1552 | For pipelines operating < 30% SMYS, verify that the operator selects |
1740 | 1553 | one of the following reassessment approaches: |
1741 | 1554 | i. Reassessment by pressure test, internal inspection or other |
1742 | 1555 | equivalent technology following the requirements in paragraph |
1743 | 1556 | 192.939(a)(1) except that the stress level referenced in |
1744 | 1557 | 192.939(a)(1)(ii) would be adjusted to reflect the lower operating |
1745 | 1558 | stress level. However, if an established interval is more than seven |
1746 | 1559 | (7) years, the operator must conduct at seven (7) year intervals |
1747 | 1560 | either a confirmatory direct assessment in accordance with 192.931, or |
1748 | 1561 | a low stress reassessment in accordance with 192.941. An operator |
1749 | 1562 | must use the test pressures specified in Table 3 of section 5 of |
1750 | 1563 | ASME/ANSI B31.8S, to justify an extended reassessment interval in |
1751 | 1564 | accordance with §192.939.[§192.939(b)(1)] |
1752 | 1565 | ii. Reassessment by external corrosion direct assessment, internal |
1753 | 1566 | corrosion direct assessment, or SCC direct assessment. Refer to |
1754 | 1567 | Protocol D for evaluating the operator’s interval determination. |
1755 | 1568 | [§192.939(b)(2), (b)(3), (b)(4)] |
1756 | 1569 | iii. Reassessment by confirmatory direct assessment at seven year |
1757 | 1570 | intervals in accordance with subpart 192.931, with reassessment by one |
1758 | 1571 | of the methods listed in 192.939(b)(1) – (b)(3) by year 20 of the |
1759 | 1572 | interval. [§192.939(b)(4)] |
1760 | 1573 | iv. Reassessment by the "low stress method" at 7-year intervals in |
1761 | 1574 | accordance with §192.941 with reassessment by one of the methods |
1762 | 1575 | listed in 192.939(b)(1) through (b)(3) by year 20 of the interval. |
1763 | 1576 | [§192.939(b)(5)] |
1764 | 1577 | |
1765 | 1578 | F.4.d. |
1766 | 1579 | |
1767 | 1580 | Verify that a covered segment on which a prior assessment was credited |
1768 | 1581 | as a baseline assessment under subpart 192.921(e) is required to be |
1769 | 1582 | reassessed by no later than December 17, 2009. [§192.937(a)] |
1770 | 1583 | |
1771 | 1584 | F.4.e. |
1772 | 1585 | |
1773 | 1586 | Verify that reassessment intervals are appropriate and that adequate |
1774 | 1587 | documentation and technical bases support the intervals selected. |
1775 | 1588 | |
1776 | 1589 | F.5. Deviation From Reassessment Requirements |
1777 | 1590 | |
1778 | 1591 | If the operator elects to deviate from certain requirements listed in |
1779 | 1592 | §192.913(c), verify that the operator uses a performance based |
1780 | 1593 | approach that satisfies the requirements for exceptional performance |
1781 | 1594 | as follows: [§192.913, ASME/ANSI B31.8S] |
1782 | 1595 | |
1783 | 1596 | F.5.a. |
1784 | 1597 | |
1785 | 1598 | Verify that the operator has a performance based integrity management |
1786 | 1599 | program that meets or exceeds the performance-based requirements of |
1787 | 1600 | ASME/ANSI B31.8S and includes, at a minimum, the following elements: |
1788 | 1601 | [§192.913(a)] |
1789 | 1602 | i. A comprehensive process for risk analysis; |
1790 | 1603 | ii. All risk factor data used to support the program; |
1791 | 1604 | iii. A comprehensive data integration process; |
1792 | 1605 | iv. A procedure for applying lessons learned from assessment of |
1793 | 1606 | covered pipeline segments to pipeline segments not covered by this |
1794 | 1607 | subpart; |
1795 | 1608 | v. A procedure for evaluating every incident, including its cause, |
1796 | 1609 | within the operator's sector of the pipeline industry for implications |
1797 | 1610 | both to the operator's pipeline system and to the operator's |
1798 | 1611 | integrity management program; |
1799 | 1612 | vi. A performance matrix that demonstrates the program has been |
1800 | 1613 | effective in ensuring the integrity of the covered segments by |
1801 | 1614 | controlling the identified threats to the covered segments (Refer to |
1802 | 1615 | Protocol I); |
1803 | 1616 | vii. Semi-annual performance measures beyond those required in |
1804 | 1617 | §192.943 that are part of the operator's performance plan. [See |
1805 | 1618 | §192.911(i)] Refer to Protocol I. |
1806 | 1619 | viii. An analysis that supports the desired integrity reassessment |
1807 | 1620 | interval and the remediation methods to be used for all covered |
1808 | 1621 | segments. |
1809 | 1622 | |
1810 | 1623 | F.5.b. |
1811 | 1624 | |
1812 | 1625 | Verify that the operator has completed at least two integrity |
1813 | 1626 | assessments on each covered pipeline segment the operator is including |
1814 | 1627 | under the performance-based approach and is able to demonstrate that |
1815 | 1628 | each assessment effectively addressed the identified threats on the |
1816 | 1629 | covered segments. [§192.913(b)(2)(i)] |
1817 | 1630 | |
1818 | 1631 | |
1819 | 1632 | F.5.c. |
1820 | 1633 | |
1821 | | |
1822 | | |
| 1634 | Verify the operator has remediated anomalies identified in the more |
| 1635 | recent assessment per the requirements of §192.933. |
1823 | 1636 | [§192.913(b)(2)(ii)] |
1824 | 1637 | |
1825 | 1638 | F.5.d. |
1826 | 1639 | |
1827 | 1640 | Verify the operator has incorporated the results and lessons learned |
1828 | 1641 | from the more recent assessment into the operator’s data integration |
1829 | 1642 | and risk assessment. [§192.913(b)(2)(ii)] |
1830 | 1643 | |
1831 | 1644 | F.5.e. |
1832 | 1645 | |
1833 | 1646 | Verify that deviations are allowed only for the timeframe for |
1834 | | |
1835 | | |
1836 | | |
1837 | | |
1838 | | |
1839 | | |
1840 | | |
1841 | | |
1842 | | |
| 1647 | reassessment as provided in §192.939 except that reassessment by some |
| 1648 | method allowed by Subpart O (e.g., confirmatory direct assessment) |
| 1649 | must be completed at intervals not to exceed seven (7) years. |
| 1650 | [§192.913(c)(1)] |
1843 | 1651 | |
1844 | 1652 | F.6. Waiver from Reassessment Interval |
1845 | 1653 | |
1846 | 1654 | Verify that the operator’s program requires that it apply for a |
1847 | 1655 | waiver, should it become necessary, from the required reassessment |
1848 | 1656 | interval. The waiver request must demonstrate that the waiver is |
1849 | 1657 | justified as specified in the rule. Such a waiver request may only be |
1850 | 1658 | made in the following limited situations: [§192.943] |
1851 | 1659 | |
1852 | 1660 | F.6.a. |
1853 | 1661 | |
1854 | 1662 | Lack of internal inspection tools. [§192.943(a)(1)] |
1855 | 1663 | |
1856 | 1664 | F.6.b. |
1857 | 1665 | |
1858 | 1666 | Cannot maintain local product supply. [§192.943(a)(2)] |
1859 | 1667 | |
1860 | 1668 | F.6.c. |
1861 | 1669 | |
1862 | 1670 | Application must be made at least 180 days before the end of the |
1863 | 1671 | required reassessment interval. (Exception: If local product supply |
1864 | 1672 | issues make the 180 day submittal impractical, an operator must apply |
1865 | 1673 | for the waiver as soon as the need for waiver becomes known). |
1866 | 1674 | [§192.943(b)] |
1867 | 1675 | |
1868 | 1676 | F.7. Consideration of Environmental and Safety Risks |
1869 | 1677 | |
1870 | 1678 | Verify that the operator addresses requirements for conducting the |
1871 | 1679 | reassessments in a manner that minimizes environmental and safety |
1872 | 1680 | risks. [§192.911(o)] |
1873 | 1681 | |
1874 | 1682 | F.7.a. |
1875 | 1683 | |
1876 | 1684 | Verify that precautions were implemented to protect workers, members |
1877 | 1685 | of the public, and the environment from safety hazards (such as an |
1878 | 1686 | accidental release of product) during reassessments. [§192.911(o)] |
1879 | 1687 | |
1880 | 1688 | G.1. Confirmatory Direct Assessment, CDA |
1881 | 1689 | |
1882 | 1690 | If using confirmatory direct assessment (CDA) as allowed in §192.937, |
1883 | 1691 | verify that the operator’s integrity management plan meets the |
1884 | 1692 | requirements of §192.931, §192.925 (ECDA) and §192.927 (ICDA). |
1885 | 1693 | [§192.931] |
1886 | 1694 | |
1887 | 1695 | G.1.a. |
1888 | 1696 | |
1889 | 1697 | Verify that the operator is applying CDA to identify damage resulting |
1890 | 1698 | from external corrosion or internal corrosion only. [§192.931(a)] |
1891 | 1699 | |
1892 | 1700 | G.1.b. |
1893 | 1701 | |
1894 | 1702 | Verify that the operator’s CDA plan for external corrosion complies |
1895 | 1703 | with all of the requirements contained in §192.925 (See Protocols D.1 |
1896 | | |
| 1704 | ~ D.5) with the following exceptions, [§§192.931(b) & 192.925] |
1897 | 1705 | i. The procedures for indirect examination may allow use of only one |
1898 | 1706 | indirect examination tool suitable for the application |
1899 | 1707 | i. The procedures for direct examination and remediation must provide |
1900 | 1708 | that all immediate action indications and at least one scheduled |
1901 | 1709 | action indication are excavated for each ECDA region. |
1902 | 1710 | |
1903 | 1711 | G.1.c. |
1904 | 1712 | |
1905 | 1713 | Verify that the operator’s CDA plan for internal corrosion complies |
1906 | 1714 | with all of the requirements contained in §192.927 (See Protocols D.6 |
1907 | | |
1908 | | |
1909 | | |
| 1715 | ~ D.9) except that procedures for identifying locations for excavation |
| 1716 | may require excavation of only one high risk location in each ICDA |
| 1717 | region.[§§192.931(c) & 192.925] |
1910 | 1718 | |
1911 | 1719 | G.1.d. |
1912 | 1720 | |
1913 | | |
1914 | | |
1915 | | |
1916 | | |
| 1721 | When using CDA carried out under §192.931(b) or (c), if an operator |
| 1722 | discovers any defect requiring remediation prior to the next scheduled |
| 1723 | assessment, verify that the operator evaluates the need to accelerate |
| 1724 | the schedule for the next assessment. If the schedule is |
| 1725 | accelerated, verify that the new assessment scheduled is determined |
| 1726 | using the methodology documented in NACE RP0502-2002, Section 6.2 and |
| 1727 | 6.3. [§192.931(d)] |
1917 | 1728 | i. If the defect requires immediate remediation, verify the operator |
1918 | 1729 | reduces pressure consistent with §192.933 (See Protocol E) until the |
1919 | 1730 | operator has completed reassessment using one of the assessment |
1920 | 1731 | techniques allowed in §192.937 (See Protocol F). [§192.931(d)] |
1921 | 1732 | |
1922 | 1733 | H.1. General Requirements (Identification of Additional Measures) |
1923 | 1734 | |
1924 | 1735 | Verify that a process is in place to identify additional measures to |
1925 | 1736 | prevent a pipeline failure and to mitigate the consequences of a |
1926 | 1737 | pipeline failure in a high consequence area. [§192.935(a)] |
1927 | 1738 | |
1928 | 1739 | H.1.a. |
1929 | 1740 | |
1930 | 1741 | Verify that the process for identifying additional measures is based |
1931 | 1742 | on identified threats to each pipeline segment and the risk analysis |
1932 | 1743 | required by §192.917. [Note: Protocol H.8 addresses the |
1933 | 1744 | implementation decision process for additional preventive and |
1934 | 1745 | mitigative measures.] [§192.935(a)] |
1935 | 1746 | |
1936 | | |
1937 | 1747 | H.1.b. |
1938 | 1748 | |
1939 | 1749 | Verify that additional measures evaluated by the operator cover a |
1940 | 1750 | spectrum of alternatives such as, but not limited to, installing |
1941 | 1751 | Automatic Shut-off Valves or Remote Control Valves, installing |
1942 | 1752 | computerized monitoring and leak detection systems, replacing pipe |
1943 | 1753 | segments with pipe of heavier wall thickness, providing additional |
1944 | 1754 | training to personnel on response procedures, conducting drills with |
1945 | 1755 | local emergency responders and implementing additional inspection and |
1946 | 1756 | maintenance programs. [§192.935(a)] |
1947 | 1757 | |
1948 | | |
1949 | 1758 | H.2. Third Party Damage |
1950 | 1759 | |
1951 | 1760 | Verify that the following preventive and mitigative requirements |
1952 | 1761 | regarding threats due to third party damage have been addressed: |
| 1762 | [§192.935(b)(1), §192.935(e)(1)] |
1953 | 1763 | |
1954 | 1764 | H.2.a. |
1955 | 1765 | |
1956 | 1766 | Verify implementation of enhancements to the §192.614-required Damage |
1957 | 1767 | Prevention Program with respect to covered segments to prevent and |
1958 | 1768 | minimize the consequences of a release, and that the enhanced measures |
1959 | 1769 | include, at a minimum: [Note: As noted in Protocol H.3 and Protocol |
1960 | 1770 | H.4, a subset of these enhancements are required for pipelines |
1961 | 1771 | operating below 30% SMYS and for plastic transmission pipelines.] |
1962 | 1772 | [§192.935(b)(1)] |
1963 | 1773 | i. Using qualified personnel (see Protocol L.2 - §192.915(c)) for work |
1964 | 1774 | an operator is conducting that could adversely affect the integrity |
1965 | 1775 | of a covered segment, such as marking, locating, and direct |
1966 | 1776 | supervision of known excavation work. [§192.935(b)(1)(i)] |
1967 | 1777 | i. Collecting, in a central database, location-specific information on |
1968 | 1778 | excavation damage that occurs in covered and non covered segments in |
1969 | 1779 | the transmission system and the root cause analysis to support |
1970 | 1780 | identification of targeted additional preventative and mitigative |
1971 | 1781 | measures in the high consequence areas. This information must include |
1972 | 1782 | recognized damage that is not required to be reported as an incident |
1973 | 1783 | under Part 191. [§192.935(b)(1)(ii)] |
1974 | 1784 | i. Participating in one-call systems in locations where covered |
1975 | 1785 | segments are present. [§192.935(b)(1)(iii)] |
1976 | 1786 | i. Monitoring of excavations conducted on covered pipeline segments by |
1977 | | |
1978 | | |
1979 | | |
1980 | | |
1981 | | |
1982 | | |
1983 | | |
1984 | | |
1985 | | |
1986 | | |
1987 | | |
1988 | | |
1989 | | |
1990 | | |
| 1787 | pipeline personnel. [§192.935(b)(1)(iv)] |
| 1788 | 1. When there is physical evidence of encroachment involving |
| 1789 | excavation that the operator did not monitor near a covered segment, |
| 1790 | verify that the area near the encroachment must be excavated or that |
| 1791 | an above ground survey using methods defined in NACE RP-0502-2002 must |
| 1792 | be conducted. [§192.935(b)(1)(iv)] |
| 1793 | A. If an above ground survey is conducted, verify that any |
| 1794 | indication of coating holidays or discontinuities warranting direct |
| 1795 | examination must be excavated and remediated in accordance with |
| 1796 | ANSI/ASME B31.8S Section 7.5 and §192.933. [§192.935(b)(1)(iv)] |
1991 | 1797 | |
1992 | 1798 | H.2.b. |
1993 | 1799 | |
1994 | 1800 | If the threat of third party damage is identified by results of the |
1995 | 1801 | §192.917(b) (Protocol C.2) and ASME/ANSI B31.8S Appendix A7 data |
1996 | 1802 | integration processes, verify that comprehensive additional preventive |
1997 | 1803 | measures are implemented. [§192.917(e)(1)] |
1998 | 1804 | |
1999 | 1805 | H.3. Pipelines Operating Below 30% SMYS |
2000 | 1806 | |
2001 | 1807 | Verify that the following preventive and mitigative requirements for |
2002 | | |
| 1808 | pipelines operating below 30% SMYS have been addressed: [§192.935(d)] |
2003 | 1809 | |
2004 | 1810 | H.3.a. |
2005 | 1811 | |
2006 | 1812 | For pipelines operating below 30% SMYS located in a high consequence |
2007 | 1813 | area: |
2008 | | |
2009 | | |
2010 | | |
2011 | | |
2012 | | |
2013 | | |
| 1814 | i. Verify that the operator's processes for damage prevention program |
| 1815 | enhancements include requirements for the use of qualified personnel |
| 1816 | (see Protocol L.2 - §192.915(c)) for work an operator is conducting |
| 1817 | that could adversely affect the integrity of a covered segment, such |
| 1818 | as marking, locating, and direct supervision of known excavation work. |
| 1819 | [§192.935(d), §192.935(d)(1)] [Note: This requirement is also |
| 1820 | contained in previous Protocol H.2.a.i for pipelines operating above |
| 1821 | 30% SMYS.] |
| 1822 | ii. Verify that the operator's processes for damage prevention program |
| 1823 | enhancements include participating in one-call systems in locations |
| 1824 | where covered segments are present. [§192.935(d), §192.935(d)(1)] |
| 1825 | [Note: This requirement is also contained in previous Protocol |
| 1826 | H.2.a.iii for pipelines operating above 30% SMYS.] |
| 1827 | iii. Verify that excavations near the pipeline are monitored, or |
2014 | 1828 | patrols are conducted of the pipeline at bi-monthly intervals as |
2015 | 1829 | required by §192.705. [§192.935(d), §192.935(d)(2)] |
2016 | 1830 | 1. If indications of unreported construction activity are found, |
2017 | 1831 | verify that required follow up investigations are conducted to |
2018 | 1832 | determine if mechanical damage has occurred. [§192.935(d)(2)] |
2019 | | |
2020 | | |
2021 | | |
2022 | | |
2023 | | |
2024 | | |
2025 | | |
2026 | | |
2027 | 1833 | |
2028 | 1834 | H.3.b. |
2029 | 1835 | |
2030 | 1836 | For pipelines operating below 30% SMYS located in a class 3 or 4 area |
2031 | 1837 | but not in a high consequence area: |
2032 | | |
2033 | | |
2034 | | |
2035 | | |
2036 | | |
2037 | | |
| 1838 | i. Verify that the operator's processes for damage prevention program |
| 1839 | enhancements include requirements for the use of qualified personnel |
| 1840 | (see Protocol L.2 - §192.915(c)) for work an operator is conducting |
| 1841 | that could adversely affect the integrity of a covered segment, such |
| 1842 | as marking, locating, and direct supervision of known excavation work. |
| 1843 | [§192.935(d), §192.935(d)(1), Table E.II.1] [Note: This requirement |
| 1844 | is also contained in previous Protocol H.2.a.i for pipelines |
| 1845 | operating above 30% SMYS.] |
| 1846 | ii. Verify that the operator's processes for damage prevention program |
| 1847 | enhancements include participating in one-call systems in locations |
| 1848 | where covered segments are present. [§192.935(d), §192.935(d)(1), |
| 1849 | Table E.II.1] [Note: This requirement is also contained in previous |
| 1850 | Protocol H.2.a.iii for pipelines operating above 30% SMYS.] |
| 1851 | iii. Verify that excavations near the pipeline are monitored, or |
2038 | 1852 | patrols are conducted of the pipeline at bi-monthly intervals as |
2039 | 1853 | required by §192.705. [§192.935(d), §192.935(d)(2), Table E.II.1] |
2040 | 1854 | 1. If indications of unreported construction activity are found, |
2041 | 1855 | verify that required follow up investigations are conducted to |
2042 | 1856 | determine if mechanical damage has occurred. [§192.935(d)(2), Table |
2043 | 1857 | E.II.1] |
2044 | | |
| 1858 | iv. Verify that the operator performs semi-annual leak surveys |
2045 | 1859 | (quarterly for unprotected pipelines or cathodically protected pipe |
2046 | 1860 | where electrical surveys are impractical). [§192.935(d)(3), Table |
2047 | 1861 | E.II.1] |
2048 | 1862 | |
2049 | 1863 | H.4. Plastic Transmission Pipeline |
2050 | 1864 | |
2051 | 1865 | For plastic transmission pipelines, verify that applicable third party |
2052 | 1866 | damage requirements have been applied to covered segments of the |
2053 | 1867 | pipeline. [§192.935(e)] |
2054 | 1868 | |
2055 | 1869 | H.4.a. |
2056 | 1870 | |
2057 | | |
2058 | | |
2059 | | |
| 1871 | Verify that the operator’s processes for damage prevention program |
| 1872 | enhancements include requirements for the use of qualified personnel |
| 1873 | (see Protocol L.2 - §192.915(c)) for work an operator is conducting |
| 1874 | that could adversely affect the integrity of a covered segment, such |
| 1875 | as marking, locating, and direct supervision of known excavation work. |
| 1876 | [§192.935(e)] [Note: This requirement is also contained in previous |
| 1877 | Protocol H.2.a.i for non-plastic pipelines operating above 30% SMYS.] |
| 1878 | |
| 1879 | H.4.b. |
| 1880 | |
| 1881 | Verify that the operator's processes for damage prevention program |
| 1882 | enhancements include participating in one-call systems in locations |
| 1883 | where covered segments are present. [§192.935(e)] [Note: This |
| 1884 | requirement is also contained in previous Protocol H.2.a.iii for |
| 1885 | non-plastic pipelines operating above 30% SMYS.] |
| 1886 | |
| 1887 | H.4.c. |
| 1888 | |
| 1889 | Verify that the excavations on covered segments are monitored by |
| 1890 | pipeline personnel. [§192.935(e)] [Note: This requirement is also |
| 1891 | contained in previous Protocol H.2.a.iv for non-plastic pipelines |
| 1892 | operating above 30% SMYS.] |
| 1893 | i. When there is physical evidence of encroachment involving |
| 1894 | excavation that the operator did not monitor near a covered segment, |
| 1895 | verify that the area near the encroachment must be excavated or that |
| 1896 | an above ground survey using methods defined in NACE RP-0502-2002 must |
| 1897 | be conducted. [§192.935(e)] [Note: This requirement is also |
| 1898 | contained in previous Protocol H.2.a.iv for non-plastic pipelines |
| 1899 | operating above 30% SMYS.] |
| 1900 | 1. If an above ground survey is conducted, verify that any |
| 1901 | indication of coating holidays or discontinuities warranting direct |
| 1902 | examination must be excavated and remediated in accordance with |
| 1903 | ANSI/ASME B31.8S Section 7.5 and §192.933. [§192.935(e)] [Note: This |
| 1904 | requirement is also contained in previous Protocol H.2.a.iv for |
| 1905 | non-plastic pipelines operating above 30% SMYS.] |
2060 | 1906 | |
2061 | 1907 | H.5. Outside Force Damage |
2062 | 1908 | |
2063 | 1909 | Verify that the operator adequately addresses threats due to outside |
2064 | 1910 | force (e.g., earth movement, floods, unstable suspension bridge). |
2065 | 1911 | [§192.935(b)(2)] |
2066 | 1912 | |
2067 | 1913 | |
2068 | 1914 | H.5.a. |
2069 | 1915 | |
2070 | | |
2071 | | |
2072 | | |
2073 | | |
| 1916 | If the operator makes a determination that outside force (e.g., earth |
| 1917 | movement, floods, unstable suspension bridge) is a threat to the |
| 1918 | integrity of a covered segment (e.g., via Protocol C.1 activities), |
| 1919 | verify that measures have been taken to minimize the consequences to |
2074 | 1920 | the covered segment. These measures include, but are not limited to, |
2075 | 1921 | increasing the frequency of aerial, foot or other methods of patrols, |
2076 | 1922 | adding external protection, reducing external stress, and relocating |
2077 | 1923 | the line. [§192.935(b)(2)] |
2078 | 1924 | |
2079 | 1925 | H.6. Corrosion |
2080 | 1926 | |
2081 | 1927 | Verify that the operator takes required actions to address corrosion |
2082 | 1928 | threats. [§192.917(e)(5)] |
2083 | 1929 | |
2084 | | |
2085 | | |
2086 | 1930 | H.6.a. |
2087 | 1931 | |
2088 | | |
2089 | | |
2090 | | |
2091 | | |
2092 | | |
| 1932 | Verify that the operator makes a determination of whether or not |
| 1933 | corrosion exists on a covered pipeline segment that could adversely |
| 1934 | affect the integrity of the& |