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B-1 APPENDIX B LIST AND DESCRIPTION OF EXISTING TSMC GUIDES Surface Preparation STANDARD BLAST PROFILE BLAST FINISH BLAST ABRASIVE SSPC SP-5/NACE No.1 2.5-mil angular IAW ASTM (marine and immersion); 4417 (Method B - profile Clean, dry and sharp angular ANSI/AWS C2.23-XX SSPC SP-10/NACE No. depth gauge or Method C - abrasive 2 (other) replica tape or both) Draft #2 2.0- to 4.0-mil anchor tooth Clean, sharp, angular abrasive ANSI/AWS C2.18-XX profile for TSMC thickness of of suitable mesh size; steel SSPC SP-10 SSPC CS 23.00A-XX 12 mils or less; measured grit, mineral slag or NACE TPC #XA with replica tape aluminum oxide Surface is to have a According to specifications Hematitic chilled iron grit, white metallic EN 22063 agreed upon by relevant aluminum oxide grit or other appearance and uniform parties (grit size of 0.5 to 1.5 mm) texture Surface is to have a Hematitic chilled cast iron white metallic Surface shall be verified grit, aluminum oxide grit or ISO 2063 appearance and uniform with a reference surface other (grit size of 0.5 to 1.5 texture mm) JIS H 8300 None specified None specified None specified JIS H 8301 2.0- to 3.0-mil profile IAWAluminum oxide (16 to 30 MIL-STD-2138A(SH) SSPC SP-5 ASTM 4417 (Method B or mesh) or angular chilled iron C) (25 to 40 mesh) Hard, dense, angular blast 2.0- to 3.0-mil profile, U.S. Army COE Manual media such as aluminum SSPC SP-5 depending on TSMC material EM 1110-2-3401 oxide, iron oxide and angular and thickness steel grit

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B-2 TSMC Application ENVIRONMENTAL STANDARD HOLDING PERIOD COATING THICKNESS SPRAY PARAMETERS CONDITIONS Typically within 6 hours of blasting, To be validated at each 5F above dew ANSI/AWS C2.23-XX depending on Ref. AWS C2.18 below crew change with a bend point environmental test conditions For 10- to 20-year life in salt Typically within 6 Draft #2 water immersion: hours of blasting, ANSI/AWS C2.18-XX 9F above dew Zinc 14 to 16 mils Several perpendicular depending on SSPC CS 23.00A-XX point Aluminum 10 to 12 mils overlapping passes environmental NACE TPC #XA Zinc/Aluminum 14 to 16 conditions mils Typically within 4 Varies hours of blasting, 5F above dew Zinc 2 to 10 mils EN 22063 depending on None specified point Aluminum 4 to 12 mils environmental Zinc/Aluminum 2 to 8 mils conditions Varies Shall not exceed 2 to Zinc 6 to 14 mils 12 hours, depending on 5F above dew ISO 2063 Aluminum 4 to 10 mils 2-ft square block pattern environmental point Zinc/Aluminum at least 6 conditions mils Varies JIS H 8300 None specified None specified Zinc up to 12 mils None specified JIS H 8301 Aluminum up to 16 mils Spraying must be Angle of spray stream started and completed 10F dew point MIL-STD-2138A(SH) 10 to 15 mils shall be close to 90 and within 4 and 6 hours, spread respectively never less than 45 Aluminum 10 mils for U.S. Army COE Manual Within 4 hours of At least 5F above seawater Block pattern measuring EM 1110-2-3401 blasting the dew point Zinc/Aluminum 6 to 16 24 in. on a side mils for fresh water

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B-3 TSMC QA Procedures STANDARD FINISH POROSITY BEND TEST BOND TEST ASTM D4541 1 test per Measurements may 500 ft2 Uniform without blisters, cracks, be used to qualify Mentioned, but not Zinc - >500 psi ANSI/AWS C2.23-XX loose particles, or exposed steel when process and defined Aluminum - >1,000 psi viewed at 10X parameters 85/15 Zn/Al - >700 psi Al/Al2O3 - >1,000 psi Bend coupons and a Draft #2 Used for qualifying mandrel with a ANSI/AWS C2.18-XX spraying parameters; suitable diameter No degraded TSC ASTM C 633 SSPC CS 23.00A-XX not normally used for (0.5 in. for TSC NACE TPC #XA process control thickness of 7 to 12 mils) Uniform without blisters or bare EN 22063 patches and free from non-adhering Not specified None specified Grid test and tensile test metal and defects Uniform without blisters, bare Grid test, adhesive tape ISO 2063 patches, non-adhering metal and Not specified None specified and/or tensile test defects Zinc not specified Zinc IAW JIS H 8661 JIS H 8300 Free from blisters, cracks and other Aluminum IAW None specified Aluminum IAW JIS H JIS H 8301 harmful defects JIS H 8663 8663 Uniform appearance with surface defects limited to small nodules not No disbonding, greater than 0.025 in. in height. The delamination, or Minimum bond strength of coating shall not contain blisters, MIL-STD-2138A(SH) Not specified gross cracking shall 1,500 psi and an average cracks, chips, loosely adhering occur due to bond strength of 2,000 psi particles, oil, internal contaminants or bending pits exposing the undercoat or substrate Smooth with no blisters, cracks, No cracks or minor U.S. Army COE Manual chips, loosely adhering particles, oil, cracking with no Not specified Not specified EM 1110-2-3401 pits exposing the substrate and lifting of the nodules coating

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B-4 Sealers and Topcoats STANDARD WHEN TO SEAL RECOMMENDED MATERIALS Acidic or alkaline environments, direct chemical attack, decorative finish is ANSI/AWS C2.23-XX None specified required, abrasion resistance is required, splash or immersion service is intended Draft #2 ANSI/AWS C2.18-XX Wash primers (0.3 to 0.5 mils) or sealers Recommended SSPC CS 23.00A-XX (1.5 mils) NACE TPC #XA Natural sealing (by oxidation), chemical conversion (phosphating, reactive EN 22063 Not specified painting, etc.) or application of a paint system PVB primers or paints with a single vinyl Aggressive environments, such as ISO 2063 component; paints based on chlorinated industrial or marine rubber or epoxy systems JIS H 8300 Not specified None specified JIS H 8301 High temperature: heat resistant aluminum paint IAW TT-P-28 or MIL-STD-2138A(SH) Not specified equivalent seal coat Low temperature: MIL-P-24441 Polyester powder U.S. Army COE Manual Recommended to fill porosity Coal tar epoxy, vinyl EM 1110-2-3401

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B-5 Maintenance and Repair TSC/SEALER STANDARD SURFACE PREP TOUCH-UP APPLICATION Inspect and maintain on a periodic basis, before ANSI/AWS C2.23-XX Not specified Not specified maintenance repair and recoating is required Solvent clean; scrape off loosely adherent paint; Draft #2 Spray can degreasing hand brush, abrasive ANSI/AWS C2.18-XX and spray can painting brush blast, power tool As specified SSPC CS 23.00A-XX may be used for and abrasive blast; NACE TPC #XA temporary repairs feather and lightly abrade EN 22063 Not specified Not specified Not specified ISO 2063 Not specified Not specified Not specified JIS H 8300 Not specified Not specified Not specified JIS H 8301 Solvent clean; scrape, Paint coating may be brush, blast, abrade MIL-STD-2138A(SH) As specified replaced when TSC depending on level of facilities are unavailable damage U.S. Army COE Manual Same as original Repair with TSC, sealer, SSPC SP-10 EM 1110-2-3401 application and paint as required