scope:

This specification covers potable hot water storage tanks.

The tanks shall be of the following types, classes, styles, sizes, and capacities, as specified (see 6.2):

Type II - Cement or siliceous lined steel. Type III - Copper-silicon alloy. Type IV - Glass-lined steel. Type VI - Copper-lined steel. Type VII - Nickel-copper alloy. Type VIII - Copper tank. Type IX - Stainless steel. Type X - Copper-nickel alloy. Type XI - Electroless nickel plated steel overcoated with fluorocarbon-based polymer. Type XII - Steel overcoated with fluorocarbon-based polymer.

Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Commanding Officer (Code 1581), Naval Construction Battalion Center, Port Hueneme, CA 93043-4301, by using the Standardization Documents Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

Class 1 - 85 pounds per square inch gage (psig) (5.9 kilograms force per square centimetre (kgf/cm²) working pressure. Class 2 - 100 psig (7 kgf/cm²) working pressure. Class 3 - 125 psig (9 kgf/cm²) working pressure. Class 4 - 150 psig (10 kgf/cm²) working pressure. Style A - Horizontal. Style B - Vertical. Size and capacity (see 3.9).

intended Use:

The tanks are intended for storing potable service hot water.