**************************************************************************
USACE / NAVFAC / AFCEC / NASA UFGS-33 56 53 (May 2020)
------------------------------------
Preparing Activity: USACE Superseding without Revision
UFGS-
33 56 53 (April 2008)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated October 2022
**************************************************************************
SECTION TABLE OF CONTENTS
DIVISION 33 - UTILITIES
SECTION 33 56 53
COMPRESSED GASES STORAGE TANKS
05/20
PART 1 GENERAL
1.1 REFERENCES
1.2 SUBMITTALS
PART 2 PRODUCTS
2.1 MATERIALS
2.1.1 Piping for Manifolds
2.1.2 Fittings for Manifolds
2.1.3 Flanges for Manifolds
2.1.4 Bolts, Studs, and Nuts for Flanges
2.1.5 Flange Gaskets
2.1.6 Supports and Attachments
2.1.7 Vessels
2.2 SPECIAL REQUIREMENTS
2.2.1 Multiple-Layered or Banded Vessels
2.2.1.1 Slag
2.2.1.2 Post-Weld Heat Treatment
2.2.1.3 Inner Shell Thickness Less Than One-Half Head Thickness
2.2.1.4 Inner Shell Thickness Greater Than One-Half Head Thickness
2.2.2 Seamless Cylinders
2.3 DESIGN AND FABRICATION
2.3.1 Design Pressure
2.3.2 Design Temperature
2.3.3 Outlets
2.3.3.1 Nozzles
2.3.3.2 Manholes and Handholes
2.3.3.3 Drains and Vents
2.3.4 Multiple Vessels
2.3.5 Structural Attachments
2.3.6 Shell and Head Thickness
2.3.7 Procedure for Welding Vessels and Manifolds
2.3.7.1 Weld Layer Thickness
SECTION 33 56 53 Page 1