NOTE - THE NOTED DISAPPROVED ITEMS MAY NOT CONSTITUTE A COMPLETE LIST OF VIOLATIONS. THE DESIGNER IS TO CONDUCT A COMPLETE RE-REVIEW OF THE PLANS FOR ADDITIONAL VIOLATIONS OF THE STANDARD COMMENTS AND INCORRECT INFORMATION PRIOR TO RESUBMITTING.
System plans must be picked up within 30 days. All system plans left longer than 30 days will be discarded as abandoned.
DESERT GLASS WORKS
02801 EL PASO ST
||FYI||This project is
Desert Glass Works Inc 2801 N El Paso Street PERMANENT Installation of 1500 GALLON Bulk Hydrogen Tank - Replaces former 3,000 gallon H2 tank.
Additional Comments: Contractor - Air Liquide
TEMPORARY H2 TUBE TRAILER TO BE PERMANENTLY REMOVED. 1,500 GALLON BULK H2 ABOVEGROUND STORAGE TANK WILL REPLACE TUBE TRAILER.
************* SEE ELECTRONIC DOCUMENTS FOR
SCOPE OF WORK
|FYI||3506.1 General. The storage and use of flammable cryogenic fluids shall be in accordance with Sections 3506.2 through 3506.4.8.3 and Chapter 32.
3506.2 Limitations. Storage of flammable cryogenic fluids in stationary containers outside of buildings is prohibited within the limits established by law as the limits of districts in which such storage is prohibited (see Section 3 of the Sample Ordinance for Adoption of the International Fire Code on page xiii).
|FYI||3506.3 Above-ground tanks for liquid hydrogen. Aboveground tanks for the storage of liquid hydrogen shall be in accordance with Sections 3506.3 through 3506.3.2.1.
3506.3.1 Construction of the inner vessel. The inner vessel of storage tanks in liquid hydrogen service shall be designed and constructed in accordance with Section VIII, Division 1, of the ASME Boiler and Pressure Vessel Code and shall be vacuum jacketed in accordance with Section 3506.3.2.
3506.3.2 Construction of the vacuum jacket (outer ves-sel). The vacuum jacket used as an outer vessel for storage tanks in liquid hydrogen service shall be of welded steel construction designed to withstand the maximum internal and external pressure to which it will be subjected under operating conditions to include conditions of emergency pressure relief of the annular space between the inner and outer vessel. The jacket shall be designed to withstand a minimum collapsing pressure differential of 30 psi (207 kPa).
3506.3.2.1 Vacuum level monitoring. A connection shall be provided on the exterior of the vacuum jacket to allow measurement of the pressure within the annular space between the inner and outer vessel. The connection shall be fitted with a bellows-sealed or diaphragm-type valve equipped with a vacuum gauge tube that is shielded to protect against damage from impact.
|I||NFPA 55 current edition
Bulk Liquified Hydrogen Systems
** Bulk hydrogen compressed gas systems and bulk liquefied hydrogen gas systems shall comply with NFPA 55.
Inspector: copies of Chapter 11 attached to print/permit documents for use.