Standard 2085, Edition 2
UL 2085

Standard for Protected Aboveground Tanks for Flammable and Combustible Liquids

UL Bulletin Edition 2 Published Date: May 21, 2012 Last Revision: September 29, 2010

$203.00-$254.00

Summary of Topics m0142_9_20120521_sum.html

Subject 142 (2080, 2085, 2245)

Bulletin Dated: May 21, 2012

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Aboveground Storage Tanks And Below Grade Vaults:

1. Comment resolution for UL 142

2. Comment resolution for UL 2085

3. Lightning incidents (Lorri Grainawi, STI)

4. Adequacy of existing barriers to tank vapor space / headspace due to Static, fire, detonation. Of particular interest with regard to explosive tank headspaces like E98 or some blend of E85 that may be explosive. (Dennis Boyd, BP America Inc.)

5. Number of bolts/bolt holes required on shell manways (UL 142, Table 9.1) (Roland Riegel, UL LLC)

6. Table 9.4 Manway Cover Plate - For shell manways greater than 24 inches, the design details reference Table 9.4 for size and number of bolts, however, the table is either incomplete, or should reference another table, such as 9.1. (Roland Riegel, UL LLC)

7. Material Combinations - Should there be any limitation for use of dissimilar metals which may increase galvanic corrosion, for example primary stainless with secondary carbon? (Roland Riegel, UL LLC)

8. Increased SPG - Should construction and performance requirements be revised to increase the current liquid spg limit from 1.0 to 1.2? (Roland Riegel, UL LLC)

9. Metal Liners - Should coverage be added to internal metal liners (such as stainless) intended to provide improved biofuel corrosion resistance? The liners are thin and non-structural. (Roland Riegel, UL LLC)

10. Polymer Liners - Should coverage be added to internal polymer liners (such as epoxy) intended to provide improved biofuel corrosion resistance? The liners are thin and non-structural. (Roland Riegel, UL LLC)

11. WSA for "Tent" Tanks - Should the angled sides of a rectangular tank be included in the WSA calculations? (Roland Riegel, UL LLC)

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