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Xerxes Fiberglass Underground Storage Tanks User Manual

Xerxes Fiberglass Underground Storage Tanks
31 pages
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Installation Manual
and
Operating Guidelines
For Single-Wall and Double-Wall
Fiberglass Underground Storage Tanks
Owner should retain this manual for
reference to operating guidelines.
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Xerxes Fiberglass Underground Storage Tanks Specifications

General IconGeneral
Tank OrientationHorizontal
MaterialFiberglass
ApplicationUnderground storage
Liquids StoredPetroleum, chemicals, water
Standards ComplianceUL 1316
Capacity Range500 to 50, 000 gallons
Diameter Range4 ft to 12 ft (approximate, varies by capacity)
Wall TypeSingle-wall, double-wall
Accessoriesvents
DimensionsVaries by capacity and diameter
WeightVaries by capacity
Operating Temperature-40°F to 150°F (typical range, may vary)
Pressure RatingVaries by model
Corrosion ResistanceExcellent resistance to both internal and external corrosion

Summary

Introduction to Tank Installation and Operation

Safety Precautions for Tank Installation

Details critical safety instructions, hazard symbols, and OSHA requirements for safe tank handling and installation.

Preparation for Underground Storage Tank Installation

General Preparation and Handling

Instructions for inspecting, unloading, and preparing the tank and installation site.

Preinstallation Testing Procedures

General Testing Requirements

Outlines general procedures, equipment setup, and safety for preinstallation tank testing.

Testing Single-Wall Tanks

Specific steps for conducting air/soap tests on single-wall underground storage tanks.

Testing Double-Wall Tanks with Dry Interstitial Space

Procedures for testing primary and secondary tanks in dry interstitial spaces.

Testing Double-Wall Tanks with Wet Interstitial Space

Procedures for testing primary and secondary tanks in wet interstitial spaces.

Testing Single-Wall Multicompartment Tanks

Testing procedures for single-wall multicompartment tanks with various bulkhead types.

Backfill Material Specifications

General Backfill Material Requirements

Details approved backfill materials, specifications, and requirements to avoid warranty voidance.

Excavation Parameters and Safety

General Excavation Safety and Depth

Covers essential safety precautions, depth determination, and compliance for excavations.

Anchoring Tanks for Stability

Tank Installation Procedures

General Installation Backfill

General guidelines for using approved backfill material during installation.

Dry-Hole Installation Steps

Step-by-step instructions for installing tanks in dry excavation conditions.

Wet-Hole Installation Modifications

Specific modifications and procedures required for wet-hole tank installations.

Postinstallation Testing and Checks

General Postinstallation Procedures

Covers final deflection checks, pressure testing, and relief procedures after installation.

Ballasting Underground Storage Tanks

Piping and Venting Systems

Tank Venting Requirements

Critical information on sizing and maintaining tank venting systems for proper operation.

Backfilling to Grade

Deflection Measurement Techniques

General Deflection Measurement

Introduction to measuring tank deflection and measurement intervals.

Tank Monitoring Systems

Installing Attached Collar Risers (ACR)

Operating Guidelines for Underground Storage Tanks

Tank Filling Operations

Guidelines and warnings related to filling underground storage tanks, including overfill prevention.

Entering Underground Storage Tanks

Critical safety procedures and precautions for personnel entering underground tanks.