This standard covers coating systems for coating and recoating the inside and outside surfaces of steel tanks used for potable water storage in water supply service. The purpose of this standard is to provide the minimum requirements for coating, including materials, coating systems, surface preparation, application, inspection, and testing. Revisions to D102-14 include but are not limited to: 1) Requirements have been updated for fluorourethane weathering and dry film thickness. 2) Requirements for specification of dehumidification (DH) equipment, dehumidification, low substrate temperature guidance, and guidance on containment systems have been added. 3) Sections on remedial work at first anniversary inspection, climate control, and clear coat applications have been revised. 4) Extensive commentary on inaccessible areas has been added. 5) References and bibliography have been updated.