STANDARD SPECIFICATION DIVISION – HVAC SYSTEM
MECHANICAL WORKS TABLE OF CONTENTS
SECTION 231300
Facility Fuel Storage Tank
January 2024
Royal Rosewood Resort, Maldives Rev. 0 Page 17 of 32
STANDARD SPECIFICATION DIVISION – HVAC
MECHANICAL WORKS SECTION 23 13 00 – FACILITY STORAGE TANK
SECTION 231300 FACILITY STORAGE TANK
PART 1 - GENERAL ............................................................................................................................... ..2
1.1 SUMMARY RELATED DOCUMENTS .........................................................................................2
1.2 DESCRIPTION OF WORK ..........................................................................................................2
1.3 QUALITY ASSURANCE ..............................................................................................................2
1.4 SUBMITTALS ...............................................................................................................................2
1.5 PRODUCT DELIVERY AND STORAGE .....................................................................................2
PART 2 - PRODUCTS ............................................................................................................................... 2
2.1 FUEL STORAGE TANK ...............................................................................................................2
PART 3 – EXECUTION ............................................................................................................................. 3
3.1 INSTALLATION ............................................................................................................................3
3.2 ADJUSTMENT .............................................................................................................................3
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STANDARD SPECIFICATION DIVISION – HVAC
MECHANICAL WORKS SECTION 23 13 00 – FACILITY STORAGE TANK
SECTION 231300 FACILITY FUEL STORAGE TANK
PART 1 - GENERAL
1.1 SUMMARY RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions and
Division-1 Specification sections, apply to work of this section.
B. General Requirements for HVAC Work, Section 15020, applies to work of this Section.
C. The requirements of this section apply to equipment specified elsewhere in the specification
1.2 DESCRIPTION OF WORK
A. The work includes the providing of all labor, supervision, materials, equipment, accessories, services and
tests necessary to complete and make ready for operation by the Owner, all fuel oil storage tank work in
accordance with drawings and specifications.
1.3 QUALITY ASSURANCE
A. Standards
1. DEC
2. NFPA
1.4 SUBMITTALS
A. Shop drawings indicating sizes, types, location and method of installation.
B. Product Data: Manufacturer's printed data, catalog cuts, recommended method of installation
1.5 PRODUCT DELIVERY AND STORAGE
A. Deliver material in properly labeled packaged and undamaged.
B. Do not store exposed to weather
PART 2 - PRODUCTS
2.1 FUEL STORAGE TANK
A. Furnish and install three black steel Fuel Storage Tank, Locally manufactured. For size, capacity and
model type refer to drawings
B. The tank shall be constructed, tested and installed in accordance with recommendations.
The tank manufacturer's statement that those tanks conforms with local codes of Environmental
Conservation label must be permanently displayed.
C. Loading Conditions - Tank shall meet the following design criteria:
1. External hydrostatic pressure. Buried in ground 7' of overburden over the top of the tank. The hole
fully flooded and a safety factor of 5:1 against general buckling.
2. Surface loads: When installed according to manufacturer's installation instructions tanks will
withstand surface H-20 axle loads (32,000 lbs/axle).
3. Internal load: Primary tank and annular space shall withstand pressure test of 5 psi. Resulting in a 5
to 1 safety factor.
4. Tanks shall be designed to support accessory equipment such as ladders, drop tubes, etc. when
installed according to manufacturer's recommendations and limitations.
D. Product Storage Requirements:
1. Tanks must be vented. Tanks are designed for operation at atmospheric pressure only, except for
use with vapor recovery systems providing the pressure or vacuum does not exceed 1 psi.
2. Tanks shall be capable of storing liquids with specific gravity up to 1:1.
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STANDARD SPECIFICATION DIVISION – HVAC
MECHANICAL WORKS SECTION 23 13 00 – FACILITY STORAGE TANK
3. Maximum temperature. Tanks shall be capable of storing fuel oil at temperatures not to exceed
65oC at the tank interior surface.
4. Tanks shall be chemically inert to petroleum products.
E. Accessories:
1. Anchor straps - provide steel reinforced anchor straps for tank. Number and location of straps shall
be as specified by manufacturer.
Straps shall be standard as supplied by the tank manufacturer.
2. Certification Plate label shall be permanently affixed to each tank.
3. Flanged Manways
a. The standard manways to be .56m I.D.
b. The manway will be furnished complete with UL listed gaskets, bolts and covers.
c. The steel manway cover shall have three 100mm NPT fittings welded in place.
F. The manufacturer's price shall include the cost of all shipping permits and transportation to deliver the
tank to the jobsite.
G. The tanks shall be set on 300mm of pea gravel and anchored to a concrete foundation with fiberglass
hold-down straps as recommended by the manufacturer. Each strap shall be capable of withstanding the
buoyancy load for the tank diameter.
H. The manufacturer of the tank shall submit shop drawings of the tank for approval. The shop drawings
shall indicate the size, construction data, tapping connections, location of the tappings and hold-down
installation.
I. Performance Warranty:
Tank manufacturer shall furnish a warranty stating as follows:
We warrant that our tanks if installed in accordance with our instructions:
1. Will meet our published specifications and will be free from material defects in materials and
workmanship for a period of one year following date of original shipment;
2. Will not fail for a period of thirty (30) years from date of original shipment due to external corrosion;
3. Will not fail for a period of thirty (30) years from date of original purchase due to internal corrosion,
provided the tank is used solely with fuel oil at temperatures not to exceed 65oC.
4. Will not leak for a period of thirty (30) years from date of original purchase due to structural failure
(defined as breaking or collapse) provided the installation is performed and validated by a qualified
installation contractor and the tank is used as stated above.
J. Alarm functions of the tank gauging systems follows:
1. Low level on tank: Flashing display on gauge and sounding of local alarm bell. Alarm silencing
pushbutton silences bell, display continues to flash until situation corrected.
2. Output shall be 4-20 m adc which shall interface with strip chart recorder
PART 3 – EXECUTION
3.1 INSTALLATION
A. Install in accordance with approved shop drawings and manufacturer's recommendation.
3.2 ADJUSTMENT
A. When the system is energized make all required adjustments and test as per manufacturer's
recommendations for leakage.
END OF SECTION 231300
January 2024
Royal Rosewood Resort, Maldives Rev. 0 Page 3 of 3
