NASA STD 5008A : *DUPLICATE RECORD*

FOREWORD
TABLE OF CONTENTS
1 SCOPE
  1.1 Scope
  1.2 Purpose
  1.3 Applicability
  1.4 Zones of exposure
  1.5 Method of specifying coating requirements
  1.6 Environmental stewardship
2 APPLICABLE DOCUMENTS
  2.1 General
  2.2 Government documents
       2.2.1 Specifications
       2.2.2 Standards
       2.2.3 Publications
  2.3 Non-Governmental publications
  2.4 Order of precedence
3 ABBREVIATIONS AND ACRONYMS USED IN THIS STANDARDS
4 REQUIREMENTS
  4.1 Materials
       4.1.1 Abrasive blasting aggregate
       4.1.2 Protective coatings, thinners, and cleaners
             4.1.2.1 Inorganic zinc coatings
             4.1.2.2 Primer and/or intermediate coatings
             4.1.2.3 Finish coatings
             4.1.2.4 Epoxy mastic coatings
             4.1.2.5 Coal tar epoxy
             4.1.2.6 Potable water epoxy
             4.1.2.7 Nonskid coating
       4.1.3 Sealants/caulking
       4.1.4 Chip-free clean-room paint
  4.2 Equipment
       4.2.1 Compressed air
       4.2.2 Abrasive blasting system
       4.2.3 Coating application system
       4.2.4 Breathing air
  4.3 Safety requirements
       4.3.1 Environmental requirements
       4.3.2 Personal protective equipment (PPE)
       4.3.3 Hazardous coating removal program
  4.4 General requirements
       4.4.1 Applicator qualifications
       4.4.2 Preparation of surfaces
             4.4.2.1 Cleaning and degreasing
             4.4.2.2 Abrasive blasting
             4.4.2.3 Mechanical cleaning methods
       4.4.3 Application of coatings
             4.4.3.1 Coatings systems
             4.4.3.2 Colors
             4.4.3.3 Storage of coating materials
             4.4.3.4 Mixing and application instructions
             4.4.3.5 Weather conditions
             4.4.3.6 Methods of application
             4.4.3.7 Coating finish
             4.4.3.8 Touchup of welds and damaged coatings
             4.4.3.9 Coating, drying, and curing
       4.4.4 Sealing/caulking
  4.5 Specific requirements
       4.5.1 Protection of carbon steel
             4.5.1.1 Protection with inorganic zinc
             4.5.1.2 Protection by galvanizing
                     4.5.1.2.1 Galvanizing
                     4.5.1.2.2 Surface preparation of galvanizing
                     4.5.1.2.3 Coating systems for galvanizing
             4.5.1.3 Protection with metallizing
                     4.5.1.3.1 Mechanical cleaning of carbon
                               steel
                     4.5.1.3.2 Abrasive blasting of carbon steel
                     4.5.1.3.3 Stripe coat application
                     4.5.1.3.4 Application of metallized zinc
                               coatings
                     4.5.1.3.5 Topcoat systems for metallized
                               zinc coatings
       4.5.2 Protection of aluminium
             4.5.2.1 Surface preparation of aluminium
             4.5.2.2 Protective coatings
       4.5.3 Protection of stainless steel
             4.5.3.1 Surface preparation of stainless steel
             4.5.3.2 Protective coating
       4.5.4 Underground, submerged, or continuously wetted
             surfaces
       4.5.5 Coating systems for potable water immersion services
       4.5.6 Provision for nonskid surfaces
       4.5.7 Coating systems for metallic surfaces under thermal
             insulation
       4.5.8 Repair of applied coatings
       4.5.9 Maintenance of existing coatings
5 QUALITY ASSURANCE PROVISIONS
  5.1 Responsibility for inspection
  5.2 Requirements for inspection
  5.3 Inspection hold points
  5.4 Inspection forms
  5.5 Inspection prior to surface preparation
       5.5.1 Surface condition
       5.5.2 Protection of adjacent surfaces
       5.5.3 Ambient weather conditions
       5.5.4 Compressed air cleanliness
       5.5.5 Surface salt concentration
  5.6 Surface preparation inspection
       5.6.1 Abrasive blasting material
       5.6.2 Blast nozzle air pressure and size
       5.6.3 Degree of surface cleanliness
       5.6.4 Surface profile or roughness
       5.6.5 Blasting of abrasive-sensitive components
  5.7 Coating application inspection
       5.7.1 Surface condition
       5.7.2 Coating materials
       5.7.3 Storage of coating material
       5.7.4 Mixing and application of coatings
       5.7.5 Coating finish and DFT
  5.8 Caulking inspection
  5.9 Galvanizing inspection
6 PREPARATION FOR DELIVERY
7 NOTES
  7.1 Intended use
  7.2 Additional related information
  7.3 Key word listing
TABLES
TABLE 1 Repair of applied coatings
APPENDICES
APPENDIX
A Approved Products List For Inorganic Zinc Coatings
B Approved Products List For Topcoat Systems
C Approved Products List For Chip-Free Clean Room Paint
D Coating Specification Key Elements and Coating Schedule
E Coating System Daily Inspection Report
F Dry Film Thickness Measurement Worksheet

Establishes requirements for the application of protective coatings to prevent corrosion of exposed carbon steel, stainless steel, and aluminum.