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1 |
C.1.1 |
1.1.0 All |
Measure foundation levelness and bottom elevations (see Appendix B for extent of measurements). |
See Report |
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2 |
C.1.1.1.a |
1.1.1 Concrete Ring |
Inspect for broken concrete, spalling, and cracks, particularly under backup bars used in welding butt welded annular rings under the shell. |
None found
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Minor Concrete cracking present
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Extensive damage, requiring repairs (see report)
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3 |
C.1.1.1.b |
1.1.1 Concrete Ring |
Inspect drain openings in ring, back of waterdraw basins and top surface of ring for indications of bottom leakage. |
No Drains present
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No Signs of Product in Drains
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Signs of product seepage from under tank, see report.
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4 |
C.1.1.1c |
1.1.1 Concrete Ring |
Inspect for cavities under foundation and vegetation against bottom of tank. |
None found
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Minor Cavities and vegatation present
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Significant, cavities, wash out, and voids, see report.
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5 |
C.1.1.1d |
1.1.1 Concrete Ring |
Check that runoff rainwater from the shell drains away from tank. |
Run off drains away from under tank |
Minor risk rain water can run under tank
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Rain water drains under tank, caulk or install drip angle
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6 |
C.1.1.1e |
1.1.1 Concrete Ring |
Check for settlement around perimeter of tank. |
No Settlement
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Minor Settlement present
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Significant, settlement, see report.
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7 |
C.1.1.2.a |
1.1.2 Asphalt |
Check for settling of tank into asphalt base which would direct runoff rain water under the tank instead of away from it. |
No Settlement indicated
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Minor Settlement present
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Significant, settlement, see report.
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8 |
C.1.1.2.b |
1.1.2 Asphalt |
Look for areas where leaching of oil has left rock filler exposed, which indicates hydrocarbon leakage. |
No Leaching Found
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Minor Leaching, from cleaning or gauging
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Significant leaching, see report
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9 |
C.1.1.3.a |
1.1.3 Oiled Dirt or Sand |
Check for settlement into the base which would direct runoff rain water under the tank rather than away from it. |
No Settlement
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Minor Settlement present
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Significant settlement, see report.
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10 |
C.1.1.4.a |
1.1.4 Rock |
Presence of crushed rock under the steel bottom usually results in severe underside corrosion. Make a note to do additional bottom plate examination (ultrasonic, hammer testing, or turning of coupons) when the tank is out of service. |
No Rock Present
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Minor Rock under bottom
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Significant rock and knife edge corrosion, under bottom. See report.
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11 |
C.1.1.5.a |
1.1.5 Site Drainage |
Check site for drainage away from the tank and associated piping and manifolds. |
Drainage is away from tank
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Minor risk of drainage under tank
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Significant drainage under tank, see report
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12 |
C.1.1.5.b |
1.1.5 Site Drainage |
Check operating condition of the dike drains. |
Drains Operational
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Drains Not Operational
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Significant drainage issues, see report
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13 |
C.1.1.6.a |
1.1.6 Housekeeping |
Inspect the area for buildup of trash, vegetation, and other inflammables buildup. |
None present
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Minor trash build up
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There is build up that needs to be cleaned up
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14 |
C.1.2.1.a |
1.2.1 External Visual Inspection |
Visually inspect for paint failures, pitting, and corrosion. |
Coatings are in good condition
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Minor Isolated coating failure
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Significant coating faiilure and corrosion, see report.
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15 |
C.1.2.1.b |
1.2.1 External Visual Inspection |
Clean off the bottom angle area and inspect for corrosion and thinning on plate and weld. |
No Corrosion or thinning present
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Minor Corrosion and thinning present
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Significant corrosion and thinning, requiring repairs
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16 |
C.1.2.1.c |
1.2.1 External Visual Inspection |
Inspect the bottom-to-foundation seal, if any. |
No seal is present
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Seal is in good condtion
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Seal should be repaired or replaced
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17 |
C.1.2.2.a |
1.2.2 Internal (Floating Roof Tank) |
Visually inspect for grooving, corrosion, pitting, and coating failures. |
No damage present
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Minor damage identified (see photos)
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Significant damage identified (see photos)
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18 |
C.1.2.3.a |
1.2.3 Riveted Shell Inspection |
Inspect external surface for rivet and seam leaks |
No Seeps found
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Some seeps identified (see photos and drawing)
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Significant seeps present, requiring repairs, see report and photos.
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19 |
C.1.2.3.b |
1.2.3 Riveted Shell Inspection |
Locate leaks by sketch or photo (location will be lost when shell is abrasive cleaned for painting). |
No seeps present
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Minor Seepage observed (see report)
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Extensive seepage (repair or replace)
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20 |
C.1.2.3.c |
1.2.3 Riveted Shell Inspection |
Inspect rivets for corrosion loss and wear |
No corrosion or loss
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Corrosion and loss present
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Extensive damage, requiring repairs (see report)
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21 |
C.1.2.3.d |
1.2.3 Riveted Shell Inspection |
Inspect vertical seams to see if they have been full fillet lap welded to increase joint efficiency |
Seams not welded
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Seams seal welded
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Seams sticth welded
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22 |
C.1.2.3.e |
1.2.3 Riveted Shell Inspection |
If no record exists of vertical riveted seams, dimension and sketch (or photograph) the rivet pattern: number of rows, rivet size, pitch length, and note whether the joint is butt riveted or lap riveted. |
See Report/Photos
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Lap Riveted Shell
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Butt Riveted Shell
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23 |
C.1.2.4.a |
1.2.4 Wind Girder (Floating Roof Tanks) |
Inspect windgirder and handraiI for corrosion damage (paint faiIure, pifting, corrosion product buildup), especially where it occurs at tack welded junction, and for broken welds. |
Wind Girder in good condition
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Minor Corrosion and coating failure present
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Damaged, repairs required (see report)
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24 |
C.1.2.4.b |
1.2.4 Wind Girder (Floating Roof Tanks) |
Check support welds to shell for pitting, especially on shell plates. |
No pitting observed
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Rust Streaks might indicate active corrosion
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Active Corrosion damage and failure, repair required (see photos)
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25 |
C.1.2.4.c |
1.2.4 Wind Girder (Floating Roof Tanks) |
Note whether supports have reinforcing pads welded to shell. |
None present
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Repads present
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Significant corrosion damage, requiring repairs (see report)
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26 |
C.1.3.1.a |
1.3.1 Manways and Nozzles |
Inspect for cracks or signs of leakage on weld joint at nozzles, manways, and reinforcing plates. |
No Seepage present
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Seepage observed (see report)
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Damaged, repairs required (see report)
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27 |
C.1.3.1.b |
1.3.1 Manways and Nozzles |
Inspect for shell plate dimpling around nozzles, caused by excessive pipe deflection. |
No distortion
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Minor Distortion
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Significant distortion (see report)
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28 |
C.1.3.1.c |
1.3.1 Manways and Nozzles |
Inspect for flange leaks and leaks around bolting. |
No Seepage present
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Minor stains (see photos)
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Significant Seepage (see report)
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29 |
C.1.3.1.d |
1.3.1 Manways and Nozzles |
Inspect sealing of insulation around manways and nozzles. |
Seals acceptable
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Seals in poor condition (see photos)
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Significant damage to insulation
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30 |
C.1.3.1.e |
1.3.1 Manways and Nozzles |
Check for inadequate manway flange and cover thickness on mixer manways. |
Significant damage to insulation
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Flange and cover undersized
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Seepage observed (see report)
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31 |
C.1.3.2.a |
1.3.2 Tank Piping Manifolds |
Inspect manifold piping, flanges, and valves for leaks. |
No leaks observed
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Minor stains (see photos)
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Significant Seepage observed (see report)
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32 |
C.1.3.2.b |
1.3.2 Tank Piping Manifolds |
Inspect fire fighting system components |
Good Condtion
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Minor Corosion Damage (see photos)
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Significant Corrosion damage to expansion chamber and components (see Photos)
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33 |
C.1.3.2.c |
1.3.2 Tank Piping Manifolds |
Check for anchored piping which would be hazardous to the tank shell or bottom connections during earth movement. |
Flexibility present in piping
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Flexibility should be studied
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Piping is ridgid and should be modified (see report)
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34 |
C.1.3.2.d |
1.3.2 Tank Piping Manifolds |
Check for adequate thermal pressure relief of piping to the tank. |
Relief Adequate
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Relief should be modified (see photos)
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Relief is threaded and seepage present (see photos)
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35 |
C.1.3.2.e |
1.3.2 Tank Piping Manifolds |
Check operation of regulators for tanks with purge gas systems. |
No regulators Present
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Minor coating failure
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Signfiicant Damage, (see report)
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36 |
C.1.3.2.f |
1.3.2 Tank Piping Manifolds |
Check sample connections for leaks and for proper valve operation |
No leaks observed
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Leaks observed (see report)
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Significnat leaks, (see report)
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37 |
C.1.3.2.g |
1.3.2 Tank Piping Manifolds |
Check for damage and test the accuracy of temperature indicators. |
No temperature indicators present
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Minor damage, thermometer still functional
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Temperature indicator broken or damaged (see photos)
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38 |
C.1.3.2.h |
1.3.2 Tank Piping Manifolds |
Check welds on shell-mounted davit clips above valves 6 inches and larger. |
No Davit clips present
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Davit Clips Adequate
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Davit clips under sized
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39 |
C.1.3.3.a |
1.3.3 Autogauge System |
Inspect autogauge tape guide and lower sheave housing (floating swings) for leaks |
No Access
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Minor corrosion damage observed (see report)
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Sheave Housing damaged repair or replace, (see report)
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40 |
C.1.3.3.b |
1.3.3 Autogauge System |
Inspect autogauge head for damage |
No Autogauge Head damage
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Minor corrosion damage observed (see report)
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Autohead is damaged and should be repaired
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41 |
C.1.3.3.c |
1.3.3 Autogauge System |
Bump the checker on autogauge head for proper movement of tape. |
Bumper OK |
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Bumper damaged and should be repaired
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42 |
C.1.3.3.d |
1.3.3 Autogauge System |
Identify size and construction material of autogauge tape guide (floating roof tanks). |
See Report/Photos
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1-in standard tubing and sheeves
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Corrosion damaged, repair or replace
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43 |
C.1.3.3.e |
1.3.3 Autogauge System |
Ask operator if tape tends to hang up during tank roof movement (floating roof tanks). |
Operations has not reported hang ups
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Operations has not reported hang ups
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44 |
C.1.3.3.f |
1.3.3 Autogauge System |
Compare actual product level to the reading on the autogauge (maximum variation is 2 inches). |
Not Conducted
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Operations hasn't reported issues
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Significant reading discrepancy, repair or replace
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45 |
C.1.3.3.g |
1.3.3 Autogauge System |
On floating roof tanks, when the roof is in the lowest position, check that no more than two feet of tape are exposed at the end of the tape guide. |
Not Conducted
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Less than 2 feet exposed
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46 |
C.1.3.3.h |
1.3.3 Autogauge System |
Inspect condition of board and legibility of board-type autogauges. |
Good condition
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Gauge board has minor damage (see report)
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Gauge board should be replaced or repaired (see report)
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47 |
C.1.3.3.i |
1.3.3 Autogauge System |
Test freedom of movement of marker and float. |
Movement free
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Marker Missing (see report)
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Gauge board should be replaced or repaired (see report)
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48 |
C.1.3.4.a |
1.3.4 Shell-Mounted Sample Station |
Inspect sample lines for function of valves and plugging of lines, including drain or return-to-tank line. |
Sample lines Ok
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Minor coating failure and seeps
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Seepage observed. Repair system.
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49 |
C.1.3.4.b |
1.3.4 Shell-Mounted Sample Station |
Check circulation pump for leaks and operating problems. |
No Circulation Pump
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No Leaks observed
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Leaks indentified, repar and replace
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50 |
C.1.3.4.c |
1.3.4 Shell-Mounted Sample Station |
Test bracing and supports for sample lines and equipment. |
Bracing is in Good Condition
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Bracing not seal welded
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Bracing should be repaired or replaced with seal welded repads and supports
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51 |
C.1.3.5.a |
1.3.5 Heater (Shell Manway Mounted) |
Inspect condensate drain for presence of oil indicating leakage |
Good condition
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Minor Seepage (see photos)
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Shell MW heater leaking repair or replace (see report)
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52 |
C.1.3.6.a |
1.3.6 Mixer |
Inspect for proper mounting flange and support. |
Good condition
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Minor Seepage (see photos)
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Shell MW mixer leaking repair or replace (see report)
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53 |
C.1.3.6.b |
1.3.6 Mixer |
Inspect for leakage. |
Good condition
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Minor Seepage (see photos)
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Shell MW mixer leaking repair or replace (see report)
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54 |
C.1.3.6.c |
1.3.6 Mixer |
Inspect condition of power lines and connections to mixer. |
Good condition
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Power lines worn (see photos)
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Power lines are damaged, replace or repair (see photos) |
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55 |
C.1.3.7.a |
1.3.7 Swing Lines: Winch Operation |
Non floating. Raise, then lower the swing line with the winch, and check for cable tightness to confirm that swing line lowered properly. |
Not Performend
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Acceptable
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Swing line damaged, repair or replace (see report)
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56 |
C.1.3.7.b |
1.3.7 Swing Lines: Winch Operation |
Floating. With tank half full or more, lower the swing line, then let out cable and check if swing has pulled cable tight, indicating that the winch is operating properly. |
Not Performend
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Acceptable
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Swing line damaged, repair or replace (see report)
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57 |
C.1.3.7.c |
1.3.7 Swing Lines: Winch Operation |
Indicator. Check that the indicator moves in the proper direction: Floating swing line indicators show a lower level as cable is wound up on the winch. Non-floating swing line indicators show the opposite. |
Not Performend
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Acceptable
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Swing line damaged, repair or replace (see report)
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58 |
C.1.3.8.a |
1.3.8 Swing Lines: External Guide System |
Check for leaks at threaded and flanged joints. |
No Leaks Observed
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Minor Stains (see report)
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Active Seepage repair or replace (see report)
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59 |
C.1.3.9.a |
1.3.9 Swing Lines: Identify Ballast Varying Need |
Check for significant difference in stock specific gravity. |
No differences found |
Study Ballast to determine if needs to be changed
|
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60 |
C.1.3.10.a |
1.3.9.1 Swing Lines: Cable Material and Condition |
For non-stainless steel cable, check for corrosion over entire length. |
Stainless cable
|
Cable is in good condition
|
Cable is damaged and should be repaired or replaced (see report)
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61 |
C.1.3.10.b |
1.3.9.1 Swing Lines: Cable Material and Condition |
All cable: check for wear or fraying. |
Cable is in good condition
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Cable is damaged and should be repaired or replaced (see report)
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62 |
C.1.3.11.a |
1.3.9.1 Swing lines: Product Sample Comparison |
Check for water or gravity differences that would indicate a leaking swing joint. |
Study to determine if joint is seeping
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63 |
C.1.3.12.a |
1.3.9.1 Swing Lines: Target |
Target should indicate direction of swing opening (up or down) and height above bottom where suction will be lost with swing on bottom support. |
Target OK |
Target needs adjustment
|
Target should be repaired or replaced (see report)
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64 |
C.1.4.1.a |
1.4.1 Deck Plate Internal Corrosion |
For safety, before accessing the roof, check with ultrasonic instrument or lightly use a ball peen hammer to test the deck plate near the edge of the roof for thinning. (Corrosion normally attacks the deck plate at the edge of a fixed roof and at the raft |
UT 3/16-in Nominal Thickness
|
Minor corrosion damage observed (see report)
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Active corrosion damage and failure, repair or replace deck (see photos)
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65 |
C.1.4.2.a |
1.4.2 Deck Plate External Corrosion |
Visually inspect for paint failure, holes, pitting, and corrosion product on the roof deck. |
Coatings are in good condition
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Minor Coating Failure
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Coating failure and active corrosion (see report)
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66 |
C.1.4.3.a |
1.4.3 Roof Deck Drainage |
Look for indication of standing water. (Significant sagging of fixed roof deck indicates potential rafter failure. Large standing water areas on a floating roof indicate inadequate drainage design or, if to one side, a nonlevel roof with possible leaking |
No Standing water
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Minor bird baths (see drawing)
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Standing water and roof distortion (see report)
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67 |
C.1.4.4.a |
1.4.4 Level of Floating Roof |
At several locations, measure distance from roof rim to a horizontal weld seam above the roof. A variance in the readings indicates a nonlevel roof with possible shell out-of-round, out-of-plumb, leaking pontoons, or hang-up. On small diameter tanks, an |
Not Performend
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Minor out of level
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Roof out of level repiar (see report)
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68 |
C.1.4.5.a |
1.4.5 Internal Floating Roof |
Test for explosive gas on top of the internal floating roof. Readings could indicate a leaking roof, leaking seal system, or inadequate ventilation of the area above the internal floating roof. |
No gas present
|
Product vapors in pontoons (see report)
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Product seepage into pontoons (see report)
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69 |
C.1.4.6.a |
1.4.6 Roof Insulation |
Visually inspect for cracks or leaks in the insulation weather coat where runoff rain water could penetrate the insulation. |
Insulation in good condition
|
Minor insulation damage (see report)
|
Insulation damage, repair or replace, (see report)
|
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70 |
C.1.4.6.b |
1.4.6 Roof Insulation |
Inspect for wet insulation under the weather coat. |
Not Performend
|
Suspect wet insulation
|
Insulation is wet, repair or replace (see report)
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71 |
C.1.4.6.c |
1.4.6 Roof Insulation |
Remove small test sections of insulation and check roof deck for corrosion and holes near the edge of the insulated area. |
Not Performend
|
Minor corrosion
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Corrosion damage under insulation (see report)
|
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72 |
C.1.4.7.a |
1.4.7 Floating Roof Seal Systems |
Measure and record maximum seal-to-shell gaps at: 1.Low pump out. 2. Mid-shell. 3.High liquid level. |
Not Performend
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73 |
C.1.4.7.b |
1.4.7 Floating Roof Seal Systems |
Measure and record annular space at 30 foot spacing (minimum of four quadrants) around roof and record. Measurements should be taken in directly opposite pairs. 1.Opposite pair 1. 2. Opposite pair 2. |
See Report/Photos
|
Average Rim 6-in
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Average Rim 9-in
|
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74 |
C.1.4.7.c |
1.4.7 Floating Roof Seal Systems |
Check if seal fabric on primary shoe seals is pulling shoes away from shell (fabric not wide enough). |
See Report/Photos
|
Fabric damaged
|
Repair or replace Fabric
|
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Edit
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75 |
C.1.4.7.d |
1.4.7 Floating Roof Seal Systems |
Inspect fabric for deterioration, holes, tears, and cracks. |
See Report/Photos
|
Minor fabric deterioration
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Fabric damaged and should be repaired or replaced
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Edit
Delete
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76 |
C.1.4.7.e |
1.4.7 Floating Roof Seal Systems |
Inspect visible metallic parts for corrosion and wear. |
See Report/Photos
|
No Corrosion or Wear Pbserved
|
Extensive damage, requiring repairs (see report)
|
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Delete
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77 |
C.1.4.7.f |
1.4.7 Floating Roof Seal Systems |
Inspect for openings in seals that would permit vapor emissions. |
See Report/Photos
|
No openings of gaps
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Expansive gaps requiring repairs
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78 |
C.1.4.7.g |
1.4.7 Floating Roof Seal Systems |
Inspect for protruding bolt or rivet heads against the shell. |
See Report/Photos
|
Minor protrusions
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Seal damage from rivets, see report.
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Edit
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79 |
C.1.4.7.h |
1.4.7 Floating Roof Seal Systems |
Pull both primary and secondary seal systems back all around the shell to check their operation. |
See Report/Photos
|
Minor gaps
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Galvanized shoes, replace
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80 |
C.1.4.7.I |
1.4.7 Floating Roof Seal Systems |
Inspect secondary seals for signs of buckling or indications that their angle with the shell is too shallow. |
See Report/Photos
|
Minor repairs required
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Extensive damage, requiring repairs (see report)
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Edit
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81 |
C.1.4.7.j |
1.4.7 Floating Roof Seal Systems |
Inspect wedge-type wiper seals for flexibility, resilience, cracks, and tears. |
See Report/Photos
|
Minor wear no repairs required
|
Significant damage repair or replace
|
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Edit
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82 |
C.1.5.1.a |
1.5.1 Sample Hatch |
Inspect condition and functioning of sample hatch cover. |
Hatch cover Acceptable
|
Replace seal
|
Hatch Cover should be repaired or replaced
|
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83 |
C.1.5.1.b |
1.5.1 Sample Hatch |
On tanks governed by Air Quality Monitoring District rules, check for the condition of seal inside hatch cover. |
Seal Acceptable
|
Replace seal
|
Seal should be repaired or replaced
|
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|
84 |
C.1.5.1.c |
1.5.1 Sample Hatch |
Check for corrosion and plugging on thief and gauge hatch cover. |
Acceptable
|
Minor corrosion
|
Repair or replace
|
|
Edit
Delete
|
85 |
C.1.5.1.d |
1.5.1 Sample Hatch |
Where sample hatch is used to reel gauge stock level, check for marker and tab stating hold off distance. |
Marker and Tab are present
|
No gauge height present
|
Mark gauge height
|
|
Edit
Delete
|
86 |
C.1.5.1.e |
1.5.1 Sample Hatch |
Check for reinforcing pad where sample hatch pipe penetrates the roof deck. |
Repad present
|
No Repad but Acceptable
|
Install a repad
|
|
Edit
Delete
|
87 |
C.1.5.1.f |
1.5.1 Sample Hatch |
On floating roof sample hatch and recoil systems, inspect operation of recoil reel and condition of rope. |
Hatch cover Acceptable
|
Replace seal
|
Hatch Cover should be repaired or replaced
|
|
Edit
Delete
|
88 |
C.1.5.1.g |
1.5.1 Sample Hatch |
Test operation of system. |
None present
|
System Operational
|
Repair or replace
|
|
Edit
Delete
|
89 |
C.1.5.1.h |
1.5.1 Sample Hatch |
On ultra clean stocks such as JP4, check for presence and condition of protective coating or liner inside sample hatch (preventing rust from pipe getting into sample). |
Hatch cover Acceptable
|
Replace seal
|
Hatch Cover should be repaired or replaced
|
|
Edit
Delete
|
90 |
C.1.5.2.a |
1.5.2 Gauge Well |
Inspect visible portion of the gauge well for thinning, size of slots, and cover condition |
Gauge well acceptable
|
Gauge pole not sloted
|
|
|
Edit
Delete
|
91 |
C.1.5.2.b |
1.5.2 Gauge Well |
Check for a hold off distance marker and tab with hold off distance (legible). |
Hold off distance legible
|
Hold off distance difficult to read
|
No hold off distance noted
|
|
Edit
Delete
|
92 |
C.1.5.2.c |
1.5.2 Gauge Well |
On floating roofs, inspect condition of roof guide for gauge well, particularly the condition of the rollers for grooving. |
Rollers in good condtion
|
Rollers damaged with grooving
|
Rollers should be repaired
|
|
Edit
Delete
|
93 |
C.1.5.2.d |
1.5.2 Gauge Well |
If accessible, check the distance from the gauge well pipe to the tank shell at different levels. |
Visually Acceptable
|
Gauge pole has minor out of plumbness
|
Gauge pole out of plumb and should be repaired or replaced
|
|
Edit
Delete
|
94 |
C.1.5.2.e |
1.5.2 Gauge Well |
If tank has a gauge well washer, check valve for leakage and for presence of a bull plug or blind flange. |
No gauge well washer
|
Gauge well washer, seal worn
|
Gauge washer damaged and should be replaced
|
|
Edit
Delete
|
95 |
C.1.5.3.a |
1.5.3 Fixed Roof Scaffold Support |
Inspect scaffold support for corrosion, wear, and structural soundness. |
Scaffold in good condition
|
Scaffold has minor coating failure and corrosion
|
Scaffold has extensive damage and should be repaired or replaced
|
|
Edit
Delete
|
96 |
C.1.5.4.a |
1.5.4 Autogauge: Inspection Hatch and Guides (Fixed Roof) |
Check the hatch for corrosion and missing bolts. |
Hatch in good condition
|
Hatch has minor coating failure and corrosion
|
Hatch is damaged and shold be replaced
|
|
Edit
Delete
|
97 |
C.1.5.4.b |
1.5.4 Autogauge: Inspection Hatch and Guides (Fixed Roof) |
Look for corrosion on the tape guide's and float guides wire anchors. |
Tape wire anchors in good condition
|
Tape wire anchors minor coating failure and damage
|
Tape wire anchors should be repaired or replaced
|
|
Edit
Delete
|
98 |
C.1.5.5.a |
1.5.5 Autogauge: Float Well Cover |
Inspect for corrosion. |
No Cover Present
|
Cover in good condition
|
Repair or replace
|
|
Edit
Delete
|
99 |
C.1.5.5.b |
1.5.5 Autogauge: Float Well Cover |
Check tape cable for wear or fraying caused by rubbing on the cover. |
No Cover Present
|
Good condition
|
Repair or replace
|
|
Edit
Delete
|
100 |
C.1.5.6.a |
1.5.6 Sample Hatch (internal Floating Roof) |
Check overall conditions. |
No Access
|
Good condition
|
Repair or replace
|
|
Edit
Delete
|
101 |
C.1.5.6.b |
1.5.6 Sample Hatch (internal Floating Roof) |
When equipped with a fabric seal, check for automatic sealing after sampling. |
No Access
|
Fabric Seal in Good Condition
|
Repair or replace Seal
|
|
Edit
Delete
|
102 |
C.1.5.6.c |
1.5.6 Sample Hatch (internal Floating Roof) |
When equipped with a recoil reel opening device, check for proper operations |
No Access
|
Recoil System in Good Condition
|
Repair or replace
|
|
Edit
Delete
|
103 |
C.1.5.7.a |
1.5.7 Roof-Mounted Vents (internal Floating Roof) |
Check condition of screens, locking and pivot pins. |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
104 |
C.1.5.8.a |
1.5.8 Gauging Platform Drip Ring |
On fixed roof tanks with drip rings under the gauging platform or sampling area, inspect for plugged drain return to the tank |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
105 |
C.1.5.9.a |
1.5.9 Emergency Roof Drains |
Inspect vapor plugs for emergency drain: that seal fabric discs are slightly smaller than the pipe ID and that fabric seal is above the liquid level. |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
106 |
C.1.5.10.a |
1.5.9.1 Removable Roof Leg Racks |
Check for leg racks on roof. |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
107 |
C.1.5.11.a |
1.5.9.2 Vacuum Breakers |
Report size, number, and type of vacuum breakers. Inspect vacuum breakers. If high legs are set, check for setting of mechanical breaker in high leg position. |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
108 |
C.1.5.12.a |
1.5.9.3 Rim Vents |
Check condition of the screen on the rim vent cover. |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
109 |
C.1.5.12.b |
1.5.9.3 Rim Vents |
Check for plating off or removal of rim vents where jurisdictional rules do not permit removal. |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
110 |
C.1.5.13.a |
1.5.9.4 Pontoon Inspection Hatches |
Open pontoon inspection hatch covers and visually check inside for pontoon leakage. |
No leakage idenified
|
Rust stains identified
|
Leakage inside some pontoons, repair be fore return to service
|
|
Edit
Delete
|
111 |
C.1.5.13.b |
1.5.9.4 Pontoon Inspection Hatches |
Test for explosive gas (an indicator of vapor space leaks). |
No Vapors
|
Minor product Odor
|
Product present inside pontoon, Clean pontoon and reinspect
|
|
Edit
Delete
|
112 |
C.1.5.13.c |
1.5.9.4 Pontoon Inspection Hatches |
If pontoon hatches are equipped with locked down coves, check for vent tubes.Check that vent tubes are not plugged up. Inspect lock down devices for condition and operation |
None Present
|
Good condition
|
Repair or replace Damage
|
|
Edit
Delete
|
113 |
C.1.6.1.a |
1.6.1 Handrails |
Identify and report type (steel pipe, galvanized pipe, square tube, angle) and size of handrails. |
OSHA Compliant
|
Undersized componenets
|
Corosion damage and failure, repair or replace
|
|
Edit
Delete
|
114 |
C.1.6.1.b |
1.6.1 Handrails |
Inspect for pitting and holes, paint failure. |
No handrail pitting, holes or coating failure present
|
Minor handrail coating failure and corrosion
|
Extensive damage, requiring repairs (see report)
|
|
Edit
Delete
|
115 |
C.1.6.1.c |
1.6.1 Handrails |
Inspect attachment welds. |
Attachment welds in good condion
|
Minor attachement weld coating failure and corrosion
|
Extensive attachment weld damage, requiring repairs (see report)
|
|
Edit
Delete
|
116 |
C.1.6.1.d |
1.6.1 Handrails |
Identify cold joints and sharp edges. Inspect the handrails and midrails |
Hand rails free from cold joints and sharp edges.
|
Sharp edges requiring repairs identified
|
|
|
Edit
Delete
|
117 |
C.1.6.1.e |
1.6.1 Handrails |
Inspect safety drop bar (or safety chain) for corrosion, functioning, and length. |
No safety bars required
|
Minor safety bar coating failure and corrosion
|
Drop bar is damaged and should be repaired or replaced
|
|
Edit
Delete
|
118 |
C.1.6.1.f |
1.6.1 Handrails |
Inspect the handrail between the rolling ladder and the gaging platform for a hazardous opening when the floating roof is at its lowest level. |
Opening is acceptable
|
Opening should be modified (see report)
|
|
|
Edit
Delete
|
119 |
C.1.6.2.a |
1.6.2 Platform Frame |
Inspect frame for corrosion and paint failure. |
Good condition
|
Minor coating failure and corrosion
|
Extensive coating failure and corrosion damage (see report)
|
|
Edit
Delete
|
120 |
C.1.6.2.b |
1.6.2 Platform Frame |
Inspect the attachment of frame to supports and supports to tank for corrosion and weld failure. |
Good condition
|
Minor coating failure and corrosion
|
Extensive coating failure and corrosion damage (see report)
|
|
Edit
Delete
|
121 |
C.1.6.2.c |
1.6.2 Platform Frame |
Check reinforcing pads where supports are attached to shell or roof. |
Good condition
|
No pads present
|
Coating failrue and active corrosion present, install repads (see report)
|
|
Edit
Delete
|
122 |
C.1.6.2.d |
1.6.2 Platform Frame |
Inspect the surface that deck plate or grating rests on, for thinning and holes. |
Good condition
|
Minor coating failure and corrosoin
|
Extensive coating failure and active corrosion. Repair or replace.
|
|
Edit
Delete
|
123 |
C.1.6.2.e |
1.6.2 Platform Frame |
Check that flat-surface to flat-surface junctures reseal welded. |
Good condition
|
Not seal welded, no corrosion damage.
|
Not seal welded, active corrosion damage.
|
|
Edit
Delete
|
124 |
C.1.6.3.a |
1.6.3 Deck Plate and Grating |
Inspect deck plate for corrosion-caused thinning or holes (not drain holes) and paint failure. |
Good condition
|
Deck plate has minor coating faiure and corrosion
|
Deck plate, has coating failure and corrosion damage, repair or replace.
|
|
Edit
Delete
|
125 |
C.1.6.3.b |
1.6.3 Deck Plate and Grating |
Inspect plate-to-frame weld for rust scale buildup. |
Good condition
|
Minor coating failure and corrosion
|
Extensive coating failure and active corrosion. Repair or replace.
|
|
Edit
Delete
|
126 |
C.1.6.3.c |
1.6.3 Deck Plate and Grating |
Inspect grating for corrosion-caused thinning of bars and failure of welds |
Good condition
|
Minor coating failure and corrosion of grating
|
Extensive coating failure and active corrosion. Repair or replace.
|
|
Edit
Delete
|
127 |
C.1.6.3.d |
1.6.3 Deck Plate and Grating |
Check grating tie down clips. Where grating has been retrofitted to replace plate, |
Good condition
|
Clips have minor damage.
|
Clips are missing or damaged, repair or replace
|
|
Edit
Delete
|
128 |
C.1.6.4.a |
1.6.4 Stairway Stringers |
Inspect spiral stairway stringers for corrosion, paint failure, and weld failure. Inspect attachment of stairway treads to stringer. |
Good condition
|
Minor coating failure and corrosion
|
Isolated coating failure and corrosion damage, repair or replace.
|
|
Edit
Delete
|
129 |
C.1.6.4.b |
1.6.4 Stairway Stringers |
Inspect stairway supports to shell welds and reinforcing pads. |
Good condition
|
Not seal welded but no corrosion present
|
Not seal welded, minor coating failure and active corrosion.
|
|
Edit
Delete
|
130 |
C.1.6.4.c |
1.6.4 Stairway Stringers |
Inspect steel support attachment to concrete base for corrosion. |
Acceptable
|
No steel supports present
|
Extensive corrosion damage, repair or replace. (see report)
|
|
Edit
Delete
|
131 |
C.1.6.5.a |
1.6.5 Rolling Ladder |
Inspect rolling ladder stringers for corrosion. |
Sringers in good condition
|
Minor Rust and Corrosion
|
Coating failure and corrosion damage
|
|
Edit
Delete
|
132 |
C.1.6.5.b |
1.6.5 Rolling Ladder |
Identify and inspect ladder fixed rungs (square bar, round bar, angles) for weld attachment to stringers and corrosion, particularly where angle rungs are welded to stringers |
See Report/Photos
|
Round bar, good condition
|
Welds damaged, repair or replace
|
|
Edit
Delete
|
133 |
C.1.6.5.c |
1.6.5 Rolling Ladder |
Check for wear and corrosion where rolling ladder attaches to gauging platform. |
Attachement is visually acceptable
|
Minor wear
|
Wear or Corrosion damage present, repair or replace
|
|
Edit
Delete
|
134 |
C.1.6.5.d |
1.6.5 Rolling Ladder |
Inspect pivot bar for wear and secureness. |
Pivot bar Visually acceptable
|
Pivot has minor rust stains
|
Pivot is damaged and should be repaired or replaced
|
|
Edit
Delete
|
135 |
C.1.6.5.e |
1.6.5 Rolling Ladder |
Inspect operation of self-leveling stairway treads. |
Self leveling treads in good condition
|
Self leveling treads should adjusted.
|
Self-leveling treads are damaged. Repair or replace.
|
|
Edit
Delete
|
136 |
C.1.6.5.f |
1.6.5 Rolling Ladder |
Inspect for corrosion and wear on moving parts. |
Rolling ladder in good condition
|
Minor Rust and Corrosion
|
Coating failure and corrosion damage
|
|
Edit
Delete
|
137 |
C.1.6.5.g |
1.6.5 Rolling Ladder |
Inspect rolling ladder wheels for freedom of movement, flat spots, and wear on axle. |
Rolling Ladder Wheels Acceptable
|
Rolling ladder wheels indanger of failing and damaging roof. Repair or replace.
|
|
|
Edit
Delete
|
138 |
C.1.6.5.h |
1.6.5 Rolling Ladder |
Inspect alignment of rolling ladder with roof rack. |
Alignment Acceptable
|
Minor mis-Alignment
|
Rolling ladder in danger of derailing and damaging roof. Repair or replace.
|
|
Edit
Delete
|
139 |
C.1.6.5.i |
1.6.5 Rolling Ladder |
Inspect top surface of rolling ladder track for wear by wheels to assure at least 18 inches of unworn track (track long enough). |
Wear is acceptable
|
Minor wear
|
Track worn and should be repaired or replaced
|
|
Edit
Delete
|
140 |
C.1.6.5.j |
1.6.5 Rolling Ladder |
Inspect rolling ladder track welds for corrosion. |
Welds in good condition
|
Minor Rust and Corrosion
|
Coating failure and corrosion damage, Repair or replace.
|
|
Edit
Delete
|
141 |
C.1.6.5.k |
1.6.5 Rolling Ladder |
Inspect track supports on roof for reinforcing pads seal welded to deck plate. |
Track support Acceptable
|
No Repads but supports are seal welded and acceptable
|
Install seal welded repads under supports
|
|
Edit
Delete
|
142 |
C.1.6.5.l |
1.6.5 Rolling Ladder |
Check by dimensioning, the maximum angle of the rolling ladder when the roof is on low legs. |
Angle Acceptable
|
Adjust rolling ladder
|
|
|
Edit
Delete
|
143 |
C.1.6.5.m |
1.6.5 Rolling Ladder |
If rolling ladder track extends to within five feet of the edge of the roof on the far side, check for a handrail on the top of the shell on that side. Max. angle |
Rolling Ladder Track Acceptable
|
Track Damaged
|
Track should be reworked
|
|
Edit
Delete
|
144 |
C.2.1.a |
2.1 Safety |
Check that tank has been cleaned, is gas free, and safe for entry. |
Acceptable |
|
|
|
Edit
Delete
|
145 |
C.2.1.b |
2.1 Safety |
Check that the tank is completely isolated from product lines, all electrical power, and steam lines. |
Acceptable |
|
|
|
Edit
Delete
|
146 |
C.2.1.c |
2.1 Safety |
Check that roof is adequately supported, including fixed roof structure and floating roof legs |
Floating roof is cribbed
|
Cone roof has bowed or twisted rafters
|
Cone roof is structuraly diffecient, and should be repaired or replaced
|
|
Edit
Delete
|
147 |
C.2.1.d |
2.1 Safety |
Check for presence of failing object hazards, such as corroded-through roof rafters, asphalt stalactites, and trapped hydrocarbons in unopened or plugged equipment or appurtenances, ledges, etc. |
Acceptable |
|
|
|
Edit
Delete
|
148 |
C.2.1.e |
2.1 Safety |
Inspect for slipping hazards on the bottom and roof decks. |
Tank bottom is slick from product residue
|
Tank is slick from ice
|
|
|
Edit
Delete
|
149 |
C.2.1.f |
2.1 Safety |
Inspect structural welds on accessways and clips |
Acceptable
|
Minor coating failure and corrosion
|
Extensive coating failure and corrosion damage
|
|
Edit
Delete
|
150 |
C.2.1.g |
2.1 Safety |
Check surfaces needing inspection for a heavy-scale buildup and check weld seams and oily surfaces where welding is to be done. Note areas needing more cleaning, including blasting. |
Bottom Sand blasted excellent inspection conditions
|
Light Scale, Inspection conditions acceptable
|
Heavy scale, conditions poor for inspection.
|
|
Edit
Delete
|
151 |
C.2.2.a |
2.2 Inspection |
Inspect appurtenances opened during cleaning such as lower floating swing sheave assemblies, nozzle interiors (after removal of valves). |
Appurtenances clean
|
Some cleaning water remaining
|
Some product inside nozzle pipes, clean before hot work is preformed
|
|
Edit
Delete
|
152 |
C.2.2.b |
2.2 Inspection |
Hammer test or ultrasonically test the roof. |
3/16-in nominal UT. No corrosion identified in work areas.
|
3/16-in nominal UT. Minor corrosion identified in work areas.
|
UT difficult. Coating failure and Corrosion damage.
|
|
Edit
Delete
|
153 |
C.2.2.c |
2.2 Inspection |
Enter and inspect the floating roof pontoon compartments. |
No leakage idenified
|
Rust stains identified
|
Leakage inside some pontoons, repair be fore return to service
|
|
Edit
Delete
|
154 |
C.2.3.a |
2.3 Inspection |
Using a flashlight held close to and parallel to the bottom plates, and using the bottom plate layout as a guide, visually inspect and hammer test the entire bottom. |
Good condition
|
Minor corosion of plate and welds
|
Deep pitting and active corrosion of bottom plates and welds
|
|
Edit
Delete
|
155 |
C.2.3.b |
2.3 Inspection |
Measure the depth of pitting and describe the pitting appearance (sharp edged, lake type, dense, scattered, etc.) |
No pitting observed
|
Minor isolated pitting and corrosion (see drawing for locations)
|
Extensive corrosion damage. (see drawing for repiar locations)
|
|
Edit
Delete
|
156 |
C.2.3.c |
2.3 Inspection |
Mark areas requiring patching or further inspection. |
No areas found
|
Several areas identified (see bottom drawing)
|
Severe Corrosion damage, multiple repairs required. (see bottom drawing)
|
|
Edit
Delete
|
157 |
C.2.3.d |
2.3 Inspection |
Mark locations for turning coupons for inspection. |
No Coupons taken
|
Several coupons marked
|
|
|
Edit
Delete
|
158 |
C.2.3.e |
2.3 Inspection |
Inspect all welds for corrosion and leaks, particularly the shell-to-bottom weld. |
No weld issues identified
|
Minor weld defects/corrosion marked for repair
|
Extensive weld damage. (see drawing for locations)
|
|
Edit
Delete
|
159 |
C.2.3.f |
2.3 Inspection |
Inspect sketch plates for corrosion. |
No Corrosion identified
|
Minor isolated pitting and corrosion (see drawing for locations)
|
Extensive corrosion damage. (see drawing for repiar locations)
|
|
Edit
Delete
|
160 |
C.2.3.g |
2.3 Inspection |
Locate and mark voids under the bottom. |
No voids identified.
|
Minor slack plate and voids
|
Significant voids requring repairs (see drawing for location)
|
|
Edit
Delete
|
161 |
C.2.3.h |
2.3 Inspection |
Record bottom data on a layout sketch using the existing bottom plates as a grid. List the number and sizes of patches required. |
|
|
|
|
Edit
Delete
|
162 |
C.2.3.i |
2.3 Inspection |
Vacuum test the bottom lap welds. |
Not Performend
|
Vacuum box performed no indications
|
Vacuum box, identified leak path(s) requring repair.
|
|
Edit
Delete
|
163 |
C.2.3.j |
2.3 Inspection |
Hammer test or ultrasonically examine any slightly discolored spots or damp areas. |
No damp spots identified.
|
Minor damp spots, found no repairs.
|
Damp spots for seepage requiring repair identified. (see drawing)
|
|
Edit
Delete
|
164 |
C.2.3.k |
2.3 Inspection |
Check for reinforcing pads under all bottom attached clips, brackets, and supports |
Acceptable
|
Some repads should be installed. (see drawing)
|
Extensive repad repair and installation required. (see drawing)
|
|
Edit
Delete
|
165 |
C.2.3.l |
2.3 Inspection |
Inspect floating roof leg pads for pitting or cutting, and excessive dimpling (indicating excessive loading). |
Acceptable
|
Minor damage, no repairs required.
|
Some legs with extensive damage requiring repair or replacment of legs. (see drawing)
|
|
Edit
Delete
|
166 |
C.2.3.m |
2.3 Inspection |
Check the column bases of fixed roof supports for adequate pads and restraining clips. |
Acceptable
|
Minor weld repairs required.
|
Extensive damage, requiring repairs (see report)
|
|
Edit
Delete
|
167 |
C.2.3.n |
2.3 Inspection |
In earthquake zones 3 and 4, check that roof supports are not welded down to the tank bottom, but are only restrained from horizontal movement. |
Acceptable
|
Minor repairs required
|
Columns are seal welded to the bottom
|
|
Edit
Delete
|
168 |
C.2.3.o |
2.3 Inspection |
Check area beneath swing line cable for indications of cable cutting or dragging. |
Acceptable
|
Repair cable
|
Install repads to repair damage
|
|
Edit
Delete
|
169 |
C.2.3.p |
2.3 Inspection |
Mark old oil and air test connection for removal and patching. |
N/A
|
Marked for removal
|
|
|
Edit
Delete
|
170 |
C.2.3.q |
2.3 Inspection |
Identify and report low areas on the bottom that do not drain adequately. |
No drainage issues identified
|
Minor drainage issues, no repairs required.
|
Bottom drainage requring repair identifed. (see report for details)
|
|
Edit
Delete
|
171 |
C.2.3.r |
2.3 Inspection |
Inspect coating for holes, disbanding, deterioration, and discolorization. |
Bottom coatings in good condition
|
Bottom coatings nearing end of useful life
|
Bottom coating has failed, repair or replace to prevent corrosion damage
|
|
Edit
Delete
|
172 |
C.2.4.a |
2.4 Inspection |
On cone up bottoms, closely inspect and gauge the depth of metal loss on the lower 2 to 4 inches of the shell (area of standing water). |
No corrosion loss identified
|
Minor corrosion no repairs required
|
Exetnsive corrosion loss requiring repairs, see report for details.
|
|
Edit
Delete
|
173 |
C.2.4.b |
2.4 Inspection |
Measure the depth of pitting on each course. |
No corrosion loss identified
|
Minor corrosion no repairs required
|
Exetnsive corrosion loss requiring repairs, see report for details.
|
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|
174 |
C.2.4.c |
2.4 Inspection |
Inspect and estimate the amount of metal loss on the heads of rivets and bolts |
No corrosion loss identified
|
Minor corrosion no repairs required
|
Exetnsive corrosion loss requiring repairs, see report for details.
|
|
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|
175 |
C.2.4.d |
2.4 Inspection |
Inspect shell-to-bottom riveted lap joints. |
No corrosion loss identified
|
Minor corrosion no repairs required
|
Exetnsive corrosion loss requiring repairs, see report for details.
|
|
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|
176 |
C.2.4.e |
2.4 Inspection |
Inspect for vertical grooving damage from seal assembly protrusions. |
No corrosion loss identified
|
Minor corrosion no repairs required
|
Exetnsive corrosion loss requiring repairs, see report for details.
|
|
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|
177 |
C.2.4.f |
2.4 Inspection |
Inspect existing protective coatings for damage, deterioration, and disbonding |
No Internal coatings
|
Minor internal coating damage.
|
Internal coating failure
|
|
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|
178 |
C.2.4.g |
2.4 Inspection |
Check for areas of rubbing (indicating too much pressure by the seal assembly shoes or inadequate annular space). |
No damage from rubbing found
|
Minor areas of rubbing
|
Extensive rubbing identified
|
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|
179 |
C.2.4.h |
2.4 Inspection |
Visually inspect the shell plates and seams for indications of leakage. If the shell has riveted or bolted seams, record the leak locations by film or chart in case the locations are lost during surface preparation for painting |
No shell leakage idenified
|
Minor Seepage (see photos)
|
Extensive seepage (see report)
|
|
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|
180 |
C.2.4.i |
2.4 Inspection |
Measure annular space at 40-foot intervals. |
Average rim 5-in
|
Average rim 8-in
|
Average Rim 9-in
|
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|
181 |
C.2.4.j |
2.4 Inspection |
Survey the shell to check for roundness and plumb. |
Visualliy Acceptable
|
Minor distortion < 2-in inward
|
3D survey conducted to document extensive damage
|
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|
182 |
C.2.5.a |
2.5 Inspection |
Inspect overflow for corrosion and adequate screening. |
Visualliy Acceptable
|
Minor rust stains (see photos)
|
Extensive damage, requiring repairs (see report)
|
|
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|
183 |
C.2.5.b |
2.5 Inspection |
Check location of overflow that it is not above any tank valves or equipment. |
Overflow not above valves or equip
|
Overflow above valves
|
|
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184 |
C.2.6.1.a |
2.6.1 General |
Visually inspect the underside surface of the roof plates for holes, scale buildup, and pitting. |
Visually Acceptable
|
Minor corrosion (see photos)
|
Extensive damage, requiring repairs (see report)
|
|
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|
185 |
C.2.6.1.b |
2.6.1 General |
Hammer test or ultrasonically examine to check for thin areas, particularly in the vapor space of floating roofs and at edge of roof on cone roof tank. |
UT Acceptable
|
Minor corrosion (see photos)
|
Extensive damage, requiring repairs (see report)
|
|
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|
186 |
C.2.6.1.c |
2.6.1 General |
Check all clips, brackets, braces, etc., welded to the roof deck plate for welded reinforcing pads and see that they have not broken free. |
Visually Acceptable
|
Minor damage (see photos)
|
Extensive damage, requiring repairs (see report)
|
|
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|
187 |
C.2.6.1.d |
2.6.1 General |
If no pad is present, penetrant test for cracking of the weld or deck plate. |
No pad is present
|
Visualy acceptable
|
Repairs required (see report)
|
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|
188 |
C.2.6.1.e |
2.6.1 General |
Inspect for protective coating for breaks, disbandment, and deterioration |
No coating present
|
Coatings nearing end of useful life
|
Coating has failed, repair or replace to prevent corrosion damage
|
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189 |
C.2.6.1.f |
2.6.1 General |
Spark test the interior surface coating if recoating is not planned. |
No coatings present
|
Coatings nearing end of useful life
|
Coating has failed, repair or replace to prevent corrosion damage
|
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|
190 |
C.2.6.2.a |
2.6.2 Fixed Roof Support Structure |
Inspect the support columns for thinning in the upper two feet. |
No Access
|
Visualy acceptable
|
Corrosion present
|
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|
191 |
C.2.6.2.b |
2.6.2 Fixed Roof Support Structure |
On API columns (two channels welded together) check for corrosion scale breaking the tack welds, unless the joint between the channels is completely seal welded. |
Pipe columns
|
Minor Corrosion
|
Corrosion damage requiring repairs, (see report)
|
|
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|
192 |
C.2.6.2.c |
2.6.2 Fixed Roof Support Structure |
Check that the reinforcing pad on the bottom is seal welded to the tank bottom with horizontal movement restraining clips welded to the pad. |
Repad(s) Acceptable
|
No Repads but supports are seal welded and acceptable
|
Install seal welded repads under supports
|
|
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|
193 |
C.2.6.2.d |
2.6.2 Fixed Roof Support Structure |
Determine if pipe column supports are concrete filled or open pipe. If open pipe, check for a drain opening in the bottom of the pipe |
N/A API Built up Columns
|
Open drains present
|
No drains present, install before hot work.
|
|
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|
194 |
C.2.6.2.e |
2.6.2 Fixed Roof Support Structure |
Inspect and gauge rafters for thinning, particularly near the center of the roof. Report metal loss. |
No access
|
Visualy acceptable
|
Corrosion damage, repairs required, (see report)
|
|
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|
195 |
C.2.6.2.a |
2.6.2 Fixed Roof Support Structure |
Check for loose or twisted rafters. |
Rafters Straight
|
Minor Bowed and twisted rafters
|
Extensive rafter bowing and twisting, (see report)
|
|
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|
196 |
C.2.6.2.b |
2.6.2 Fixed Roof Support Structure |
Inspect girders for thinning and check that they are attached securely to the top of the columns. |
Girders Visually Acceptable
|
Girders damaged, repair or replace
|
|
|
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|
197 |
C.2.6.2.c |
2.6.2 Fixed Roof Support Structure |
Report if the columns have cross bracing in the area between the low pump out of the top of the shell (for future internal floating roof installation). |
No cross bracing
|
Cross bracing present
|
|
|
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|
198 |
C.2.6.2.d |
2.6.2 Fixed Roof Support Structure |
Inspect and report presence of any roof-mounted swing line bumpers. |
No Roof mounted swing line bumpers
|
Bumpers acceptable
|
|
|
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|
199 |
C.2.6.2.e |
2.6.2 Fixed Roof Support Structure |
Photograph the roof structure if no rafter layout drawing exists. |
See Report/Photos
|
No photos available
|
|
|
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|
200 |
C.2.7.1.a |
2.7.1 Inspection and Light Hatches |
Inspect the hatches for corrosion, paint and coating failures, holes, and cover sealing. |
No light hatches
|
Visualy acceptable
|
Damaged, repairs required (see report)
|
|
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|
201 |
C.2.7.1.b |
2.7.1 Inspection and Light Hatches |
On loose covers, check for a safety chain in good condition. |
No light hatches
|
Visualy acceptable
|
Damaged, repairs required (see report)
|
|
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|
202 |
C.2.7.1.c |
2.7.1 Inspection and Light Hatches |
On light hatches over 30 inches across, check for safety rods |
No light hatches
|
Visualy acceptable
|
No Safety rods present
|
|
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|
203 |
C.2.7.1.d |
2.7.1 Inspection and Light Hatches |
Inspect the condition of the gaskets on bold or latched down hatch covers. |
No light hatches
|
Visualy acceptable
|
No gaskets present
|
|
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|
204 |
C.2.7.2.a |
2.7.2 Staging Support Connection |
Inspect the condition of the staging support for corrosion. |
Good condition
|
Minor coating failure and corrosion
|
Extensive coating failure and active corrosion. Repair or replace.
|
|
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|
205 |
C.2.7.3.a |
2.7.3 Breathers and Vents |
Inspect and service the breather. |
Good condition
|
Minor corrosion damage observed (see report)
|
Breather damaged, repair or replace.
|
|
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|
206 |
C.2.7.3.b |
2.7.3 Breathers and Vents |
Inspect screens on vents and breathers. |
Good condition
|
Screens have minor coating failure
|
Screens corrosion damaged, repair or replace
|
|
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|
207 |
C.2.7.4.a |
2.7.4 Emergency PN Hatches |
Inspect and service pressure/vacuum hatches. (Setting should be high enough to prevent chattering of breather during normal operation. See breather manufacturer's guide,) |
Good condition
|
No chattering reported
|
press 0.85 oz vac 0.85 oz
|
|
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|
208 |
C.2.7.4.b |
2.7.4 Emergency PN Hatches |
Inspect liquid seal hatches for corrosion and proper liquid level in the seal. |
No liquid seal present
|
|
|
|
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|
209 |
C.2.7.5.a |
2.7.5 Sample Hatch |
Inspect sample hatch for corrosion. |
Sample hatch acceptable
|
|
|
|
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|
210 |
C.2.7.5.b |
2.7.5 Sample Hatch |
Check that the cover operates properly |
Sample hatch cover acceptable
|
|
|
|
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|
211 |
C.2.7.5.c |
2.7.5 Sample Hatch |
If the tank has no gauge well, check for a hold off distance marker and check measurement. |
Tank has hold off marker, measurement not checked
|
Hold off distance checked
|
Hold off distance difficult to read
|
|
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|
212 |
C.2.8.1.a |
2.8.1 Roof Deck |
Hammer test the area between roof rim and shell. (If access for hammer testing is inadequate, measure the distance from the bottom edge of the roof to the corroded area and then hammer test from inside the pontoon.) |
Visually acceptable (inside and out)
|
Corrosion damage to rim plate (product side)
|
Minor scale
|
|
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|
213 |
C.2.8.1.b |
2.8.1 Roof Deck |
In sour water service, clean and test all deck plate weld seams for cracking unless the lower laps have been seal welded. |
Visaully acceptable
|
Some cracking identified
|
|
|
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|
214 |
C.2.8.1.c |
2.8.1 Roof Deck |
Check that either the roof drain is open or the drain plug in the roof is open in case of unexpected rain |
Drain is open
|
Unable to confirm drain open
|
Roof hose removed, install temporary hose
|
|
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|
215 |
C.2.8.1.d |
2.8.1 Roof Deck |
On flat bottomed and cone bottom roof decks, check for a vapor dam around the periphery of the roof. The dam should be continuous without break to prevent escape of vapors to the seal area from under the center of the roof. |
Vapor dam acceptable
|
No vapor dam
|
|
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216 |
C.2.8.2.a |
2.8.2 Floating Roof Pontoons |
Visually inspect each pontoon for liquid leakage. |
Pontoons clean and dry
|
Minor water stains
|
Minor product seepage
|
|
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|
217 |
C.2.8.2.b |
2.8.2 Floating Roof Pontoons |
Run a light wire through the goose neck vents on locked down inspection hatch covers to make sure they are open. |
Visually acceptable
|
|
|
|
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218 |
C.2.8.2.c |
2.8.2 Floating Roof Pontoons |
Inspect lockdown latches on each cover. |
Visually acceptable
|
No latches present
|
Some latches minor damage
|
|
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219 |
C.2.8.2.d |
2.8.2 Floating Roof Pontoons |
Check and report if each pontoon is:1.Vapor tight (bulkhead seal welded on one side on bottom, sides, and top), 2.Liquid tight seal welded on bottom and sides only), or 3. Unacceptable (minimum acceptable condition is liquid tight). |
Vapor tight
|
Liquid tight
|
Bulk heads not seal welded
|
|
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|
220 |
C.2.8.3.a |
2.8.3 Floating Roof Cutouts |
Inspect underside of cutouts for mechanical damage. |
None Present
|
Visually acceptable
|
Damaged cut outs, repair (see report)
|
|
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|
221 |
C.2.8.3.b |
2.8.3 Floating Roof Cutouts |
Inspect welds for cracks. |
Visually acceptable
|
Cracks present, repair before returning to service
|
|
|
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|
222 |
C.2.8.3.c |
2.8.3 Floating Roof Cutouts |
Inspect plate for thinning, pitting, and erosion. |
Visually acceptable
|
Minor pitting
|
Extensive damage, requiring repairs (see report)
|
|
Edit
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|
223 |
C.2.8.3.d |
2.8.3 Floating Roof Cutouts |
Measure mixer cutouts and record plate thickness for future mixer installation or replacement. Plate thickness |
See Report/Photos
|
|
|
|
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|
224 |
C.2.8.4.a |
2.8.4 Floating Roof Supports |
Inspect fixed low and removable high floating roof legs for thinning. |
Visually acceptable
|
Minor corrosion damage observed (see report)
|
Rim and manway well corrosion, possible floating roof leg corrosion as well
|
|
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|
225 |
C.2.8.4.b |
2.8.4 Floating Roof Supports |
Inspect for notching at bottom of legs for drainage |
Visually acceptable
|
No notches present
|
|
|
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|
226 |
C.2.8.4.c |
2.8.4 Floating Roof Supports |
Inspect for leg buckling or felling at bottom. |
Visually acceptable
|
Minor distress
|
Leg buckling present
|
|
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|
227 |
C.2.8.4.d |
2.8.4 Floating Roof Supports |
Inspect pin hole in roof guide for tears. |
Visually acceptable
|
Minor distress
|
Pin hole enlarged, repair or replace.
|
|
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|
228 |
C.2.8.4.f |
2.8.4 Floating Roof Supports |
Check plumb of all legs. |
Visually acceptable
|
Some legs have minor out of plumbness
|
Legs are leaning and should be repaired or replaced
|
|
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|
229 |
C.2.8.4.g |
2.8.4 Floating Roof Supports |
Inspect for adequate reinforcing gussets on all legs through a single portion of the roof. |
Visually acceptable
|
None present, but no problems indicated
|
Extensive damage, requiring repairs (see report)
|
|
Edit
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|
230 |
C.2.8.4.h |
2.8.4 Floating Roof Supports |
Inspect the area around the roof legs for cracking if there is no internal reinforcing pad or if the topside pad is not welded to the deck plate on the underside. |
Visually acceptable
|
None present, but no problems indicated
|
Extensive damage, requiring repairs (see report)
|
|
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|
231 |
C.2.8.4.I |
2.8.4 Floating Roof Supports |
Inspect the sealing system on the two-position legs and the vapor plugs in the fixed low leg for deterioration of the gaskets. |
Visually acceptable
|
|
|
|
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|
232 |
C.2.8.4.j |
2.8.4 Floating Roof Supports |
On shell mounted roof supports, check for adequate clearance based on the maximum floating roof movement as determined by the position of the roof relative to the gauge well and/or counter rotational device. |
Visually acceptable
|
|
|
|
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|
233 |
C.2.9.1.a |
2.9.1 Primary Shoe Assembly |
Remove four sections of foam log (foam filled seals) for inspection on 90' locations. |
Not preformed
|
Log in good condition
|
Log saturated, remove and replace
|
|
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|
234 |
C.2.9.1.b |
2.9.1 Primary Shoe Assembly |
Inspect hanger attachment to roof rim for thinning, bending, broken welds, and wear of pin holes. |
Visually acceptable
|
Minor wear and corrosion
|
Extensive corrosion damage. (see drawing for repiar locations)
|
|
Edit
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|
235 |
C.2.9.1.c |
2.9.1 Primary Shoe Assembly |
Inspect clips welded to roof rim for thinning. |
Visually acceptable
|
Minor wear and corrosion
|
Extensive corrosion damage. (see drawing for repiar locations)
|
|
Edit
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|
236 |
C.2.9.1.d |
2.9.1 Primary Shoe Assembly |
Shoes-inspect for thinning and holes in shoes. |
Visually acceptable
|
Minor wear
|
Extensive corrosion damage, requiring repairs (see report)
|
|
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|
237 |
C.2.9.1.e |
2.9.1 Primary Shoe Assembly |
Inspect for bit-metal bolts, clips, and attachments. |
No bi-metal present
|
Minor bolt corrosion
|
Extensive failure, repair or replace
|
|
Edit
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|
238 |
C.2.9.1.f |
2.9.1 Primary Shoe Assembly |
Seal fabric-inspect for deterioration, stiffening, holes, and tears in fabric. |
Fabric in good condition
|
Minor wear no repairs required
|
Extensive fabric failure, repair or replace
|
|
Edit
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|
239 |
C.2.9.1.g |
2.9.1 Primary Shoe Assembly |
Measure length of fabric from top of shoe to roof rim, and check against maximum anticipated annular space as roof operates. |
Fabric correct length
|
Fabric acceptable
|
Fabric incorrect length repair or replace
|
|
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|
240 |
C.2.9.1.h |
2.9.1 Primary Shoe Assembly |
Inspect any modification of shoes over shell nozzles, mixers, etc., for clearance. |
No modifications present
|
Acceptable
|
Adjustements required
|
|
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|
241 |
C.2.9.1.i |
2.9.1 Primary Shoe Assembly |
Inspect shoes for damage caused by striking shell nozzles, mixers, etc. |
No damage identified
|
Minor adjustments required
|
Extensive damage, requiring repairs (see report)
|
|
Edit
Delete
|
242 |
C.2.9.2.a |
2.9.2 Primary Toroidal Assembly |
Inspect seal fabric for wear, deterioration, holes, and tears |
Seal fabric in good condition
|
Minor seal fabric wear
|
Extensive failure, repair or replace
|
|
Edit
Delete
|
243 |
C.2.9.2.b |
2.9.2 Primary Toroidal Assembly |
Inspect hold down system for buckling or bending. |
Hold down in good condition
|
Minor hold down bending
|
Extensive buckling and bending of hold system, repair or replace
|
|
Edit
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|
244 |
C.2.9.2.c |
2.9.2 Primary Toroidal Assembly |
Inspect foam for liquid absorption and deterioration. |
Seal appears dry
|
Minor dripage present
|
Seal liquid filled and should be replaced, see report
|
|
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|
245 |
C.2.9.3.a |
2.9.3 Rim Mounted Secondaries |
Inspect the rim-mounted bolting bar for corrosion and broken welds. |
Rim bolting in good condition
|
Minor corrosion
|
Extensive failure, repair or replace
|
|
Edit
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|
246 |
C.2.9.3.b |
2.9.3 Rim Mounted Secondaries |
Measure and chart seal-to-shell gaps. |
Seal has zero gaps
|
|
|
|
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|
247 |
C.2.9.3.c |
2.9.3 Rim Mounted Secondaries |
Visually inspect seam from below, looking for holes as evident by light. |
No holes present
|
Minor gaps
|
Secondary Seal has extensive holes, repair or replace, see report
|
|
Edit
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|
248 |
C.2.9.3.d |
2.9.3 Rim Mounted Secondaries |
Inspect fabric for deterioration and stiffness. |
Fabric in good condition
|
Minor fabric wear at joints
|
Extensive fabric failure, repair or replace
|
|
Edit
Delete
|
249 |
C.2.9.3.e |
2.9.3 Rim Mounted Secondaries |
Inspect for mechanical damage, corrosion, and wear on tip in contact with shell |
Secondary tip in good condition
|
Minor wear
|
Extensive tip failure, repair or replace. (see report)
|
|
Edit
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|
250 |
C.2.9.3.e |
2.9.3 Rim Mounted Secondaries |
Inspect for contact with obstructions above top of shell. |
No damage to secondary identified
|
Minor seal damage
|
Extensive seal damage from rafter contact, repair or replace and lower max fill height
|
|
Edit
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|
251 |
C.2.10.1.a |
2.9.4 Roof Manways |
Inspect walls of manways for pitting and thinning. |
Manways in good condition
|
Minor coating failure and corrosion stains
|
Extensive coating failure and active corrosion. Repair or replace.
|
|
Edit
Delete
|
252 |
C.2.10.1.b |
2.9.4 Roof Manways |
On tanks with interface autogauges, check seal around gauge tape cable and guide wires through manway cover. |
Acceptable
|
Minor corrosion
|
Extensive corrosion damage, repair or replace.
|
|
Edit
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|
253 |
C.2.10.1.c |
2.9.4 Roof Manways |
Inspect cover gasket and bolts. |
Manway gasket and bolts in good condition
|
Minor damage
|
Repair or replace gasket and bolts
|
|
Edit
Delete
|
254 |
C.2.10.2.a |
2.9.5 Rim Vent |
Check rim vent for pitting and holes |
Rim vent in good condition
|
Minor corrosion damage observed (see report)
|
Extensive corrosion damage, repair or replace.
|
|
Edit
Delete
|
255 |
C.2.10.2.b |
2.9.5 Rim Vent |
Check vent for condition of screen. |
Rim vent screen in good condition
|
Minor rim vent screen damage
|
Extensive screen corrosion, repair or replace.
|
|
Edit
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|
256 |
C.2.10.2.c |
2.9.5 Rim Vent |
On floating roof tanks where the environmental rules require closing off the vent, check the vent pipe for corrosion at the pipe-to-rim joint and check that the blinding is adequate. |
Acceptable
|
Rim vent plated over
|
Rim vent operational
|
|
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|
257 |
C.2.10.3.b |
2.9.6 Vacuum Breaker, BreatherType |
Service and check operation of breather valve. |
Acceptable
|
No breather present
|
Breather should be serviced
|
|
Edit
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|
258 |
C.2.10.3.c |
2.9.6 Vacuum Breaker, BreatherType |
Check that nozzle pipe projects no more than 1/2 inch below roof deck |
Pipe extends < 1/2-in below deck
|
Pipe extends below deck
|
Pipe is corrosion damaged
|
|
Edit
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|
259 |
C.2.10.4.a |
2.9.7 Vacuum Breaker, Mechanical Type |
Inspect the stem for thinning. Measure how far the vacuum breaker cover riser is off the pipe when the roof is resting on high or low legs. A.On high legs: b. |
No corrosion or adjustments necessary
|
Pipe is to long adjust
|
Pipe is short and should be extended
|
|
Edit
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|
260 |
C.2.10.5.a |
2.9.9 Roof Drains: Open Systems, Including Emergency Drains |
Check liquid level inside open roof drains for adequate freeboard. Report if there is insufficient distance between liquid level and top of drain. |
Roof drain acceptable
|
Roof drain is to low in sump
|
Roof Drain is corrosion damaged
|
|
Edit
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|
261 |
C.2.10.5.b |
2.9.9 Roof Drains: Open Systems, Including Emergency Drains |
If tank comes under Air Quality Monitoring District rules, inspect the roof drain vapor plug |
Roof drain vapor plug is present
|
No vapor plug present
|
|
|
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262 |
C.2.10.5.c |
2.9.9 Roof Drains: Open Systems, Including Emergency Drains |
If emergency drain is not at the center of the roof, check that there are at least three emergency drains. |
Emergency drain acceptable
|
Three emergency drains are present
|
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263 |
C.2.10.6.a |
2.9.9 Closed Drain Systems: Drain Basins |
Inspect for thinning and pitting |
No Thinning or Pitting
|
Minor thinning from corrosoin
|
Extensive corrosion damage repair or replace
|
|
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|
264 |
C.2.10.6.b |
2.9.9 Closed Drain Systems: Drain Basins |
Inspect protective coating (topside). |
Coatings are in good condition
|
Coatings are nearing end of life
|
Coatings are failing and should be replaced
|
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|
265 |
C.2.10.6.c |
2.9.9 Closed Drain Systems: Drain Basins |
Inspect basin cover or screen for corrosion. |
Screen in good condition
|
Screen have minor coating failure
|
Screen is corrosion damaged and should be repaired or replaced
|
|
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|
266 |
C.2.10.6.d |
2.9.9 Closed Drain Systems: Drain Basins |
Test operation of check valve. |
Check valve operational
|
Check valve should be replaced
|
Check valve is missing
|
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267 |
C.2.10.6.e |
2.9.9 Closed Drain Systems: Drain Basins |
Check for presence of check valve where bottom of basin is below product level. |
Check valve operational
|
Check valve should be replaced
|
Check valve is missing
|
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|
268 |
C.2.10.6.f |
2.9.9 Closed Drain Systems: Drain Basins |
Inspect drain basin(s) to roof deck welds for cracking. |
Welds in good condition
|
Minor weld corrosion
|
Weld cracks visible and should be repaired
|
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|
269 |
C.2.10.6.g |
2.9.9 Closed Drain Systems: Drain Basins |
Check drain basin(s) outlet pipe for adequate reinforcement to roof deck (including reinforcing pad). |
Adequate reinforcement is present
|
Reinforcement is not needed
|
Reinforcement should be installed
|
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|
270 |
C.2.10.7.a |
2.9.91 Closed Drain Systems: Fixed Drain Line on Tank Bottom |
Hammer test fixed drain line on tank bottom for thinning and scale/debris plugging. |
Fixed drain is in good condition
|
Fixed drain has minor corrosion damage
|
Fixed drain line is plugged
|
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|
271 |
C.2.10.7.b |
2.9.91 Closed Drain Systems: Fixed Drain Line on Tank Bottom |
Inspect supports and reinforcing pads for weld failures and corrosion. |
Supports are adequate
|
Minor weld defects/corrosion marked for repair
|
Extensive weld damage. (see drawing for locations)
|
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|
272 |
C.2.10.7.c |
2.9.91 Closed Drain Systems: Fixed Drain Line on Tank Bottom |
Check that pipe is guided, not rigidly locked to support, to avoid tearing of tank bottom plate. |
Pipe is guided
|
Pipe supports should be adjusted to allow freedom
|
Pipe supports should be redesigned and replaced
|
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|
273 |
C.2.10.8.a |
2.9.92 Closed Drain Systems: Flexible Pipe Drain |
Inspect for damage to exterior of pipe |
No damage found
|
Minor corrosion damage observed (see report)
|
Extensive damage, requiring repairs (see report)
|
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|
274 |
C.2.10.8.b |
2.9.92 Closed Drain Systems: Flexible Pipe Drain |
Check for obstructions that pipe could catch on. |
No obstructions present
|
Some minor obstructions are present
|
Obsructions should be removed
|
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|
275 |
C.2.10.8.c |
2.9.92 Closed Drain Systems: Flexible Pipe Drain |
Inspect shields to protect pipe from snagging. |
Shield are adequate
|
Shielding should be redesigned
|
Shielding is damaged and should be repaired or replaced
|
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|
276 |
C.2.10.8.d |
2.9.92 Closed Drain Systems: Flexible Pipe Drain |
Inspect results of hydrotest on flexible roof drain system. |
Hydro Test Acceptable
|
Hydro test failed, repair or replace hose
|
Hose is more than 20 years old and should be replaced
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277 |
C.2.10.9.f |
2.9.93 Closed Drain Systems: Articulated Joint Drain |
Hammer test rigid pipe inflexible joint systems for thinning and scale/debris plugging. |
No thinning or plugging identified
|
Minor corrosion is present
|
Rigid pipe is corrosion damaged and should be repaired or replaced
|
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|
278 |
C.2.10.9.g |
2.9.93 Closed Drain Systems: Articulated Joint Drain |
Inspect system for signs of bending or strain. |
No signs of bending or strain were observed
|
Minor adjustments should be made
|
Bending or strain damage is present repair or replace
|
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|
279 |
C.2.10.9.h |
2.9.93 Closed Drain Systems: Articulated Joint Drain |
Inspect results of system hydrotest. |
Hydro Test Acceptable
|
Hydro test failed, repair or replace hose
|
Hose is more than 20 years old and should be replaced
|
|
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|
280 |
C.2.10.9.I |
2.9.93 Closed Drain Systems: Articulated Joint Drain |
Inspect landing leg and pad. |
Landing pad is in good condtion
|
Landing pad is corrosion damaged
|
Landing pad is seeping
|
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|
281 |
C.2.10.10.a |
2.9.94 Autogauge System and Alarms |
Check freedom of movement of tape through autogauge tape guide |
Tape is free to move
|
Tape should be adjusteed
|
Tape is broken and should be replaced
|
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|
282 |
C.2.10.10.b |
2.9.94 Autogauge System and Alarms |
Inspect sheaves for freedom of movement. |
Sheaves are free to move
|
Sheaves are tight and should be adjusted
|
Sheaves are damaged and should be repaired or replaced
|
|
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|
283 |
C.2.10.10.c |
2.9.94 Autogauge System and Alarms |
Test operation checker. |
Checker is operational
|
Checker should be adjusted
|
Checker is damaged and should be repaired or replaced
|
|
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|
284 |
C.2.10.10.d |
2.9.94 Autogauge System and Alarms |
Inspect tape and tape cable for twisting and fraying. |
Tape is not twisted
|
Cable is not frayed
|
Cables are broken and should be repaired or replaced
|
|
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|
285 |
C.2.10.10.e |
2.9.94 Autogauge System and Alarms |
Test the tape's freedom of movement through guide sheaves and tape guide pipe. |
Tape is free to move
|
Tape is should be adjusted
|
Tape is broken and should be replaced
|
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|
286 |
C.2.10.10.f |
2.9.94 Autogauge System and Alarms |
On open-top tanks, check that gate tapes with cables have no more than one foot of tape exposed with float at lowest point. |
No more than 1 ft is exposed
|
Cables should be adjusted
|
Cables are broken and should be repaired or replaced
|
|
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|
287 |
C.2.10.10.g |
2.9.94 Autogauge System and Alarms |
Check float for leakage. |
Float doesn't leak
|
Float is plastic design and nearing end of usefull service life
|
Float is leaking and should be repaired or replaced
|
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|
288 |
C.2.10.10.h |
2.9.94 Autogauge System and Alarms |
Test float guide wire anchors for spring action by pulling on wire and releasing |
Wires are tight
|
Wires are slack and should be tightened
|
Wires are broken and should be repaired or replaced
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289 |
C.2.10.10.i |
2.9.94 Autogauge System and Alarms |
Inspect floatwells in floating roofs for thinning and pitting of walls just above the liquid level. |
Float wells are not corrosion damaged
|
Float wells have a corrosion line
|
Float wells have minor corrosion damage
|
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290 |
C.2.10.10.j |
2.9.94 Autogauge System and Alarms |
Check that the autogauge tape is firmly attached to the float. |
Tape is firmly attached to float
|
Tape is attachement is damaged
|
Tape is broken and should be replaced
|
|
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291 |
C.2.10.10.k |
2.9.94 Autogauge System and Alarms |
Inspect the tape cable and float guide wire fabric seals through the float well cover. |
Fabric seals are in good condition
|
Some Fabric seals are worn
|
Fabric seals are damaged and should be repaired or replaced
|
|
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292 |
C.2.10.10.l |
2.9.94 Autogauge System and Alarms |
Inspect the bottom guide wire attachment clip: inspect for a temporary weighted bar instead of a permanent welded down clip. |
Guide wire is anchored
|
Guide wire anchor is not seal welded to bottom
|
Guide wire is attached to weight
|
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293 |
C.2.10.10.m |
2.9.94 Autogauge System and Alarms |
Inspect board-type autogauge indicators for legibility and freedom of movement of indicator. |
Guage board is legible and operational
|
Gauge board can not be read
|
Gauge board is damaged and shoud be repaired or replaced
|
|
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294 |
C.2.10.10.n |
2.9.94 Autogauge System and Alarms |
Measure and record these distances to determine if seal damage will occur if tank is run over from: 1.Shell top angle to underside of tape guide system. 2.Liquid level on floating top to top of secondary seal. |
Seal damage is unlikely
|
Damage may occur during overfill
|
Damage is likely to occure during overfill
|
|
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295 |
C.2.10.10.o |
2.9.94 Autogauge System and Alarms |
Identify floating roots where the tape is connected directly to the roof. |
Tape is not attached to roof
|
Tape is attached to roof
|
Tape is broken and should be replaced
|
|
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|
296 |
C.2.10.10.p |
2.9.94 Autogauge System and Alarms |
Overfill alarm: Inspect tank overfill prevention alarm switches for proper operation. |
Overfill is in good condition
|
Overfill is inaccessable
|
Overfill is being replaced
|
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297 |
C.2.11.1.a |
2.9.95 Gauge Well |
Inspect gauge well pipe for thinning at about two-thirds distance above the bottom: look for thinning at the edge of the slots. |
No thinning identified
|
|
|
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298 |
C.2.11.1.b |
2.9.95 Gauge Well |
Check for corrosion on the pipe joint. Check that sample cords, weights, thermometers, etc., have been removed from the pipe. |
No corrosion or debris present
|
Some debris, easily cleared
|
Base of gauge pole is filled with debris, modify design to provide better clearing
|
|
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|
299 |
C.2.11.1.c |
2.9.95 Gauge Well |
Check for cone at bottom end of pipe about one foot above the bottom. |
Cone at end of pipe
|
No cone however, no corrective action required
|
No cone but build up of debris present
|
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|
300 |
C.2.11.1.d |
2.9.95 Gauge Well |
Check condition of well washer pipe and that its flared end is directed at the near side of the hold off pad. |
Well washer is in good condition
|
Minor well washer damage
|
Well washer damaged and should be repaired or replaced
|
|
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301 |
C.2.11.1.e |
2.9.95 Gauge Well |
Check that supports for gauge well are welded to pad or to shell and not directly to bottom plate, |
Gauge well not welded to bottom
|
Gauge well is welded to bottom however no corrective action is required
|
Gauge well is welded to bottom and redesign repairs are recommended
|
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302 |
C.2.11.1.f |
2.9.95 Gauge Well |
Check operation of gauge well cover. |
Gauge well cover is operational
|
Minor gauge well cover issues
|
Gauge well cover is damaged an should be repaired or replaced
|
|
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303 |
C.2.11.1.g |
2.9.95 Gauge Well |
Check presence of a hold-off distance marker in well pipe and record hold-off distance. |
Hold off distance legible
|
Minor degredation of hold off distance
|
Hold off distance difficult to read
|
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304 |
C.2.11.1.h |
2.9.95 Gauge Well |
Identify and report size and pipe schedule, and whether pipe is solid or slotted. Report slot size. |
|
|
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305 |
C.2.11.1.i |
2.9.95 Gauge Well |
Check that the hold-off distance plate is seal welded to the bottom and that any gauge well supports are welded to the plate and not directly to the bottom. |
No hold off plate present
|
Hold off plate is acceptable
|
Hold off plate should be repaired or replaced
|
|
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|
306 |
C.2.11.1.j |
2.9.95 Gauge Well |
Inspect vapor control float and cable. |
Vapor control float and cable are acceptable
|
Minor damage to float and cable
|
Float and cable are damaged repair or replace
|
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|
307 |
C.2.11.1.k |
2.9.95 Gauge Well |
Check for presence and condition of gauge well washer. |
No gauge well washer
|
Gauge well washer, seal worn
|
Gauge well washer damaged and should be repaired or replaced
|
|
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|
308 |
C.2.11.1.l |
2.9.95 Gauge Well |
Check for bull plug or plate blind on gauge well washer valve. |
Acceptable
|
No bull plug or flange present
|
Damaged repair or replace bull plug or flange
|
|
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|
309 |
C.2.11.1.m |
2.9.95 Gauge Well |
Inspect gauge well guide in floating roof for pitting and thinning. |
No pitting observed
|
Minor rust stains (see photos)
|
Corrosion damaged repair or replace
|
|
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|
310 |
C.2.11.1.n |
2.9.95 Gauge Well |
Inspect the guide rollers and sliding plates for freedom of movement. |
Rollers in good condtion
|
Minor corrosion observed (see report)
|
Corrosion damage repair or replace
|
|
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|
311 |
C.2.11.1.o |
2.9.95 Gauge Well |
Inspect condition of gauge well pipe seal system. |
Gauge pipe seal is in good condition
|
Gauge pipe seal has some minor wear
|
Gauge pipe seal damaged or missing repair or replace
|
|
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|
312 |
C.2.11.1.p |
2.9.95 Gauge Well |
On black oil and diesel services: if gauge well is also used for sampling, check for presence of a thief- and gauge-type hatch to avoid spillage. |
Acceptable
|
Tank not in black oil service
|
Spillage present repair or replace to avoid spillage
|
|
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|
313 |
C.2.11.1.q |
2.9.95 Gauge Well |
Visually inspect inside of pipe for pipe weld protrusions which could catch or damage vapor control float. |
No protrusions observed
|
Minor rough welds
|
Inside or pipe is rougn and should repaired or replaced
|
|
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|
314 |
C.2.11.2.a |
2.9.96 Sampling Systems: Roof Sample Hatches |
Inspect roof mounted sample hatches for reinforcing pads and cracking. |
Repads acceptable
|
Repads have minor coating failure and rust stains
|
Repads are damaged and should be repaired or replaced
|
|
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|
315 |
C.2.11.2.b |
2.9.96 Sampling Systems: Roof Sample Hatches |
Inspect cover for operation. |
Cover is operational.
|
Cover has minor damage
|
Cover is damaged repair or replace
|
|
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|
316 |
C.2.11.2.c |
2.9.96 Sampling Systems: Roof Sample Hatches |
For tanks complying with Air Quality Monitoring District rules, inspect sample hatch covers for adequate sealing |
Sealing is adequate
|
Seal has minor wear
|
Seal is damaged and shuld be repaired or replaced
|
|
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|
317 |
C.2.11.2.d |
2.9.96 Sampling Systems: Roof Sample Hatches |
Check horizontal alignment of internal floating roof sample hatches under fixed roof hatches. |
Alignment is acceptable
|
Alignment should be adjusted
|
|
|
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|
318 |
C.2.11.2.e |
2.9.96 Sampling Systems: Roof Sample Hatches |
Inspect the sealing system on the internal floating roof sample hatch cover. |
Hatch seal is in good condition
|
Hatch seal has minor wear
|
Hatch seal is damaged repair or replace
|
|
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|
319 |
C.2.11.2.f |
2.9.96 Sampling Systems: Roof Sample Hatches |
Inspect floating roof sample hatch cover recoil reel and rope. |
Recoil system is in good condition
|
Recoil system has minor wear
|
Recoil system is damaged, repair or replace
|
|
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|
320 |
C.2.11.3.a |
2.9.97 Shell Nozzles |
Inspect shell nozzles for thinning and pitting. |
No Corrosion Loss noted |
Minor coating failure
|
Minor rust stains
|
|
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|
321 |
C.2.11.3.b |
2.9.97 Shell Nozzles |
Inspect hot tap nozzles for trimming of holes. |
No Hot taps
|
Single hot tap is acceptable
|
Single hot tap should be trimmed
|
|
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|
322 |
C.2.11.3.c |
2.9.97 Shell Nozzles |
Identify type of shell nozzles. |
|
|
|
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|
323 |
C.2.11.3.d |
2.9.97 Shell Nozzles |
Identify and describe internal piping, including elbow up and elbow down types. |
|
|
|
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|
324 |
C.2.11.4.a |
2.9.98 For Nozzles Extended Into the Tank |
Inspect pipe support pads welded to tank bottom. |
Acceptable
|
Minor corrosion damage to repads
|
Active corrosion damge repair or replace
|
|
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|
325 |
C.2.11.4.b |
2.9.98 For Nozzles Extended Into the Tank |
Inspect to see that pipe is free to move along support without strain or tearing action on bottom plate. |
Pipe are free to move
|
Minor strain
|
Piping is ridgid and should be modified (see report)
|
|
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|
326 |
C.2.11.4.c |
2.9.98 For Nozzles Extended Into the Tank |
Inspect nozzle valves for packing leaks and damaged flange faces. |
No Valves inside tank
|
Minor seepage
|
Valves damged and should be replaced
|
|
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|
327 |
C.2.11.4.d |
2.9.98 For Nozzles Extended Into the Tank |
Inspect heater stream nozzle flanges and valves for wire cutting. |
No steam nozzle flanges or valves present
|
Minor wire cutting
|
Wire cuttin damage, preseent repair replace
|
|
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|
328 |
C.2.11.4.e |
2.9.98 For Nozzles Extended Into the Tank |
Report which nozzles have thermal pressure relief bosses and valves. |
See Report/Drawing/Photos
|
Relief appears to be accepable
|
Relief is damged or out of adjustment, repair or replace
|
|
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|
329 |
C.2.11.4.f |
2.9.98 For Nozzles Extended Into the Tank |
In internal elbow-down fill line nozzles, inspect the wear plate on the tank bottom. |
No Elbow down fill nozzles present
|
Wear plate is present
|
Wear plate has active corrosion and should be repaired or replaced
|
|
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|
330 |
C.2.11.4.g |
2.9.98 For Nozzles Extended Into the Tank |
On elbow-up fill lines in floating roof tanks, check that opening is directed against underside of roof, not against vapor space. Inspect impact are for erosion. |
No Elbow up fill nozzles are present
|
Elbow up nozzle is acceptable
|
Elbow up nozzle has minor corrosion damage
|
|
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|
331 |
C.2.11.5.a |
2.9.99 Diffusers and Air Rolling Systems |
Inspect diffuser pipe for erosion and thinning. |
No erosion or thinning is present
|
Minor thinning from corrosion
|
Corrosion damage present repair or replace
|
|
Edit
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|
332 |
C.2.11.5.b |
2.9.99 Diffusers and Air Rolling Systems |
Check holes in diffuser for excessive wear and enlargement. |
Holes in diffuser acceptable
|
Minor wear on diffuser holes
|
Diffuser damaged, repair or replace
|
|
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|
333 |
C.2.11.5.c |
2.9.99 Diffusers and Air Rolling Systems |
Inspect diffuser supports for damage and corrosion. |
Diffuser supports are in good condition
|
Diffuser support have minor coating failure
|
Diffuser supports are damaged and should be repaired or replaced
|
|
Edit
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|
334 |
C.2.11.5.d |
2.9.99 Diffusers and Air Rolling Systems |
Check that diffuser supports restrain, not anchor, longitudinal line movement. |
Diffuser support is adequate
|
Diffuser support might restrain
|
Diffuser supports anchor diffuser to bottom and should be redesigned
|
|
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|
335 |
C.2.11.5.e |
2.9.99 Diffusers and Air Rolling Systems |
Inspect air spiders on bottom of lube oil tanks for plugging and damaged or broken threaded joints |
No air spider present
|
Air spiders have minor damage
|
Air spiders are damaged and should be repaired or replaced
|
|
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|
336 |
C.2.11.6.a |
2.9.991 Swing Lines |
Inspect flexible joint for cracks and leaks. |
No cracks present
|
Minor wear to joint
|
Joint is damaged and should be repaired or replaced
|
|
Edit
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|
337 |
C.2.11.6.b |
2.9.991 Swing Lines |
Scribe the flexible joint across the two moving faces and raise end of swing line to check the joint's freedom of movement, indicated by separation of scribe marks. |
Scribed, and acceptable
|
Replace flexible joint
|
|
|
Edit
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|
338 |
C.2.11.6.c |
2.9.991 Swing Lines |
Check that flexible joints over six inches are supported. |
Joints are supported
|
Joints are not supported, but no problems were found
|
Joint is damaged and should be repaired or replaced
|
|
Edit
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|
339 |
C.2.11.6.d |
2.9.991 Swing Lines |
Inspect the swing pipe for deep pitting and weld corrosion. |
Pipe is in good condition
|
Pipe has minor corrosion damage
|
Pipe is corrosion damaged and should be repaired or replaced
|
|
Edit
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|
340 |
C.2.11.6.e |
2.9.991 Swing Lines |
Loosen the vent plugs in the pontoons and listen for a vacuum. Lack of a vacuum indicates a leaking pontoon. |
No leaks indicated
|
Pontoons have minor damage, monitor at next inspection
|
Pontoons are corrosion damaged and should be repaired or replaced
|
|
Edit
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|
341 |
C.2.11.6.f |
2.9.991 Swing Lines |
Check the results of air test on pontoons during repairs. |
Air test acceptable
|
Air test failed repair threaded components
|
Air test failed, pontoons are damaged repair or replace pontoons
|
|
Edit
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|
342 |
C.2.11.6.g |
2.9.991 Swing Lines |
Inspect the pontoons for pitting. |
No pitting observed
|
Minor pitting, monitor at next inspection
|
Extensive pitting damage, repair or replace pontoons
|
|
Edit
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|
343 |
C.2.11.6.h |
2.9.991 Swing Lines |
Inspect the pull-down cable connections to the swing |
Pull down cable in good condition
|
Pull down cable has minor damage
|
Pull down cable should be repaired or replaced
|
|
Edit
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|
344 |
C.2.11.6.i |
2.9.991 Swing Lines |
Inspect the condition of the bottom-mounted support, fixed roof limiting bumper, or shell mounted limiting bumper for wood condition, weld and bolt corrosion, and seal welding to bottom or shell. |
Supports are adequate
|
Supports have minor corrosion damage
|
Supports are missing broken or corrosion damaged and should be repaired or replaced
|
|
Edit
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|
345 |
C.2.11.6.j |
2.9.991 Swing Lines |
Inspect safety hold-down chain for corrosion and weak links. |
Hold down in good condition
|
Minor corrosion damage observed (see report)
|
Extensive corrosion damage repair or replace
|
|
Edit
Delete
|
346 |
C.2.11.6.k |
2.9.991 Swing Lines |
Check that there is a welded reinforcing pad where the chain connects to the bottom. |
Repad(s) Acceptable
|
Minor corrosion damage observed (see report)
|
Extensive corrosion damage repair or replace
|
|
Edit
Delete
|
347 |
C.2.11.6.l |
2.9.991 Swing Lines |
If the floating swing in a floating or internal floating roof tank does not have a limiting device preventing the swing from exceeding 60 degrees, measure and calculate the maximum angle possible with the roof on overflow. Max. angle on overflow (If the c |
Limiting device is functional
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Limiting device has some minor damage
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Limiting device is corrosion damaged and should be repaired or replaced
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348 |
C.2.11.6.m |
2.9.991 Swing Lines |
Inspect pull down cable for fraying. |
Cable is in good condition
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Cable has minor damage
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Cable is damaged and should be repaired or replaced (see report)
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349 |
C.2.11.6.m |
2.9.991 Swing Lines |
Inspect for three cable clamps where cable attaches to end of swing line (singlereeved) or to roof assembly (double-reeved). Inspect sheaves for freedom of movement. |
Three clamps are present
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Clamps have minor corrosion damage
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Clamps are damaged and should be repaired or replaced
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350 |
C.2.11.6.o |
2.9.991 Swing Lines |
Inspect winch operation and check the height indicator for legibility and accuracy. |
Winch and height indicators are acceptable
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Height indicators have minor damage
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Height indicators are damaged and should be repaired or replaced
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351 |
C.2.11.6.p |
2.9.991 Swing Lines |
Inspect bottom-mounted sheave assembly at end of pontoon for freedom of rotation of sheave. |
Sheaves are free to move
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Minor damage |
Extensive damage, requiring repairs (see report)
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352 |
C.2.11.6.q |
2.9.991 Swing Lines |
Inspect shell-mounted lower sheave assembly for freedom of rotation of sheave, corrosion thinning, and pitting of sheave housing. |
No Corrosion identified
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Minor damage
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Extensive damage, requiring repairs (see report)
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353 |
C.2.11.6.r |
2.9.991 Swing Lines |
Inspect upper sheave assembly for freedom of movement of sheave. |
Visaully acceptable
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Minor damage
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Extensive damage, requiring repairs (see report)
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354 |
C.2.11.6.s |
2.9.991 Swing Lines |
Inspect the cable counterbalance assembly for corrosion and freedom of operation. |
No counter balance present
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Counter balance is acceptable
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Repair or replace damaged counterbalance
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355 |
C.2.11.7.a |
2.9.992 Manway Heater Racks |
Inspect the manway heater racks for broken welds and bending of the sliding rails. |
No broken welds present
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Minor bending
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Racks are broken or damaged and should be repaired or replaced
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356 |
C.2.11.7.b |
2.9.992 Manway Heater Racks |
Measure and record the length of the heater and length of the track. |
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357 |
C.2.11.8.a |
2.9.993 Mixer Wear Plates and Deflector Stands |
Inspect bottom and shell plates and deflector stands. |
Visually acceptable
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Minor corrosion damage observed (see report)
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Extemsove corrosion damage repair or replace stands
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358 |
C.2.11.8.b |
2.9.993 Mixer Wear Plates and Deflector Stands |
Inspect for erosion and corrosion on the wear plates. Inspect for rigidity, structural soundness, corrosion, and erosion of deck plates and reinforcing pads that are seal welded to the bottom under the deflector stand legs. |
Visually acceptable
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Minor corrosion damage observed (see report)
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Extensive corrosion/erosion damage, repair or replace
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359 |
C.2.11.8.c |
2.9.993 Mixer Wear Plates and Deflector Stands |
Measure for propeller clearance between the bottom of deflector stand and roof when the roof is on low legs. |
Clearance is acceptable
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Clearance is marginal
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Clearance is inadequate, Modify before return to service
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