2021-06-24_REVISION - M2012032

• Permit No: M2012032
• IBM Index Class Name: Revision
• Doc Date: 6/24/2021
• Doc Name: Adequacy Review Response #3
• From: Ouray Silver Mines, Inc.
• To: DRMS
• Type & Sequence: TR14
• Email Name: LJW
• Media Type: D
• Archive: No

ASME B31.3-2016
(16) Table 302.3.3C Increased Casting Table 302.3.3D Acceptance Levels for Castings (16)
Quality Factors, E,
Acceptance Acceptable
Supplementary Examination Factor, Material Examined Applicable Level Disconti-
in Accordance With Note(s) E, Thickness, T Standard (or Class) nuities
(1) 0.85 Steel ASTM E446 1 Types A, B, C
(2)(a) or(2)(b) 0.85 TS 25 mm
(3)(a) or(3)(b) 0.95 (1 in.)
(1) and (2)(a) or(2)(b) 0.90 Steel ASTM E446 2 Types A, B, C
(1) and (3)(a) or(3)(b) 1.00 T> 25 mm,
(2)(a) or(2)(b) and (3)(a) or(3)(b) 1.00 <51 mm
GENERAL NOTE: Titles of standards referenced in this Table's Notes (2 in.)
are as follows: Steel ASTM E186 2 Categories A, B, C
ASME B46.1 Surface Texture (Surface Roughness, Waviness T> 51 mm,
and Lay) 5 114 mm
ASTM E94 Guide for Radiographic Examination (41/, in.)
ASTM E114 Practice for Ultrasonic Pulse-Echo Straight-Beam
Contact Testing Steel ASTM E280 2 Categories A, B, C
ASTM E125 Reference Photographs for Magnetic Particle T> 114 mm,
Indications on Ferrous Castings <305 mm
ASTM E165 Practice for Liquid Penetrant Examination for (12 in.)
General Industry Aluminum & ASTM E155 ... Shown in reference
ASTM E709 Guide for Magnetic Particle Testing magnesium radiographs
MSS SP-53 Quality Standard for Steel Castings and Forgings
for Valves, Flanges, Fittings, and Other Piping Copper, Ni—Cu ASTM E272 2 Codes A, Ba, Bb
Components — Magnetic Particle Examination Bronze ASTM E310 2 Codes A and B
Method
MSS SP-93 Quality Standard for Steel Castings and Forgings GENERAL NOTE: Titles of ASTM standards referenced in this Table
for Valves, Flanges, Fittings, and Other Piping are as follows:
Components — Liquid Penetrant Examination E155 Reference Radiographs for Inspection of Aluminum and
Method Magnesium Castings
NOTES: E186 Reference Radiographs for Heavy-Walled (2 to 4-'/,-in.
(1) Machine all surfaces to a finish of 6.3 µm RQ (250 µin.RQ in (50.8 to 114 mm)) Steel Castings
accordance with ASME B46.1), thus increasing the effective- E272 Reference Radiographs for High-Strength Copper-Base
ness of surface examination. and Nickel-Copper Alloy Castings
(2) (a) Examine all surfaces of each casting(ferromagnetic mate- E280 Reference Radiographs for Heavy-Walled (4-1/2 to 12 in.
rial only) by the magnetic particle method in accordance with (114 to 305 mm)) Steel Castings
ASTM E709.Judge acceptability in accordance with MSS SP-53, E310 Reference Radiographs for Tin Bronze Castings
Table 1. E446 Reference Radiographs for Steel Castings Up to 2 in.
(b) Examine all surfaces of each casting by the liquid pene- (50.8 mm) in Thickness
trant method, in accordance with ASTM E165.Judge acceptabil-
ity in accordance with SP-93,Table 1.
(3) (a) Fully examine each casting ultrasonically in accordance
with ASTM E114, accepting a casting only if there is no evi- additional examination is performed beyond that
dence of depth of defects in excess of 5%of wall thickness. required by the product specification.
(b) Fully radiograph each casting in accordance with
ASTM E94.Judge in accordance with the stated acceptance lev- 302.3.5 Limits of Calculated Stresses Due to (16)
els in Table 302.3.31). Sustained Loads and Displacement Strains
(a) Internal Pressure Stresses. Stresses due to internal
Supplementary examinations. In such cases,the appro- pressure shall be considered safe when the wall thick-
priate increased quality factor is shown in Table A-IA. ness of the piping component,including any reinforce-
ment, meets the requirements of para. 304.
302.3.4 Weld Joint Quality Factor, El (b) External Pressure Stresses. Stresses due to external
(a) Basic Quality Factors. The weld joint quality fac- pressure shall be considered safe when the wall thick-
tors, Ep tabulated in Table A-113 are basic factors for ness of the piping component,and its means of stiffen-
straight or spiral (helical seam) welded joints for ing, meet the requirements of para. 304.
pressure-containing components as shown in (c) Stresses Due to Sustained Loads, SL. The sum of the
Table 302.3.4. longitudinal stresses due to sustained loads, SL, e.g.,
(b) Increased Quality Factors. Table 302.3.4 also indi- the pressure and weight in any component in a piping
cates higher joint quality factors that may be substituted system (see para. 320), shall not exceed Sh, where Sh
for those in Table A-113 for certain kinds of welds if is taken from Table A-1 or Table A-IM at the metal