Summary of Contents for Xerxes Fiberglass Underground Storage Tanks
- Page 1 Installation Manual Operating Guidelines For Single-Wall and Double-Wall Fiberglass Underground Storage Tanks Owner should retain this manual for reference to operating guidelines. File Name: Xerxes_UndergroundTank_Iom_D102...
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Page 2: Table Of Contents
16.5. Hydrostatic Water Test Section 6. Anchoring Tanks ..........p.13 16.6. Watertight Cover Installation (WT) 16.7. Final ACR Installation 6.1. Deadman Anchors 6.2. Xerxes Deadman Anchors 6.3. Anchor Slab Section 17. Adding Tanks at Existing Locations....p.25 6.4. Hold-down Straps 17.1. General 6.5. -
Page 3: Safety
1.2.1. It is important to follow the procedures and instructions in entire Installation Manual and Operating Guidelines this manual in order to safely and properly install a Xerxes (subsequently referred to as “Installation Manual”). It is the underground storage tank and accessories. Failure to follow... -
Page 4: General
(and before preinstallation testing at job site), complete the following steps: 1.2.9. Xerxes must authorize – in writing and prior to tank installation – any variation to, or deviation from, these 2.1.2.1. Visually inspect the entire exterior surface of the tank to Installation Manual instructions. -
Page 5: General
3.1. GENERAL than 120° from the initial starting point. 3.1.1. Xerxes tanks are tested prior to shipment, but the tank must be retested at the site prior to installation – even if shipped with vacuum – in order to verify the absence of shipping and handling damage. -
Page 6: Single-Wall Tank
(See FIGURE 3-3.) 3.1.10. If damage is detected, do not attempt repairs. Contact Air-Supply Valve the UST coordinator at the Xerxes plant nearest you. Telephone From Air Supply and fax numbers are found on the back cover of this manual. -
Page 7: General
UST coordinator at the 3.3.3.4. Reconnect the air-supply line. Allow the pressure to Xerxes plant nearest you. stabilize at 5 psig [3 psig for a 12-foot-diameter tank] by adding 3.3.2. PRIMARY TANK (INTERNAL) or removing air as necessary. -
Page 8: General
3.4.1.6. Install the test manifold in the open service fitting. Connect 3.4.2.3. Replace the protective covers in the service fitting and the pressure source to the test manifold. (See FIGURE 3-5.) the reservoir fitting. From Air Supply 3.5. TESTING A SINGLE-WALL MULTICOMPARTMENT TANK WITH A SINGLE-WALL BULKHEAD Air-Supply Pressure-Relief... - Page 9 3.6.1. GENERAL Air-Test Monitoring of Double-Wall Bulkhead(s) 3.6.1.1. Remove all temporary service-fitting plugs. 3.6.1.2. Redope fittings and install plugs in all openings, except one service fitting in each compartment (needed for the test manifolds). Follow instructions in Point 3.1.5. (See FIGURE 3-6 and FIGURE 3-7.) 3.6.1.3.
- Page 10 Watch for active air bubbles, which indicate a leak. prior to preinstallation testing, call the UST coordinator at the 3.7.2.5. Monitor the pressure for one hour. Do not release air Xerxes plant nearest you. pressure. Lifting Lug Typical Service Fitting 3.7.3.
- Page 11 Allow the pressure to stabilize by adding or removing air as 4. BACKFILL MATERIAL necessary. 4.1. GENERAL 3.8.3.3. Close the air-supply valve on the test manifold on the 4.1.1. Xerxes tanks must be installed using either pea gravel or base tank. Disconnect the air-supply line. crushed stone as backfill material.
- Page 12 4.1.2. Using other than approved bedding and backfill materials 4.1.4. For additional information, refer to the Xerxes document, without prior written authorization from Xerxes will void the tank Fiberglass Tank Backfill Guidelines. warranty. 4.1.5. If material which meets these specifications is not available, contact technical support at Xerxes Minneapolis for information on alternate materials and the process for approval.
- Page 13 5.1.5.3. The maximum burial depth is 7 feet of cover over the top of the tank. Deviation from this may be permissible with prior written authorization from Xerxes. Call your Xerxes representa- 9” Asphalt tive for a special quotation prior to tank purchase if the burial 6”...
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Page 14: Deadman Anchors
Xerxes recommends that all tanks be anchored in installa- having an ultimate bearing capacity of less than 3,500 lbs./sq. tions in which the tank could be exposed to water. Xerxes ft.; or where soil will not maintain a vertical wall, the excavation... -
Page 15: Xerxes Deadman Anchors
As with any deadman, water-table height, number of attached collar risers and burial depth must be considered. 6.2.2. Placement of a Xerxes deadman is the same as a standard deadman. (See FIGURE 6-1.) Typical Anchoring Configuration 6.2.3. -
Page 16: Hardware And Anchoring Points
6.4. HOLD-DOWN STRAPS recommendations of wire-rope manufacturer and supplier, and 6.4.1. Only Xerxes straps may be used when anchoring a follow accepted industry standards when selecting, using, Xerxes tank. attaching or connecting wire rope. (See FIGURE 6-3, FIGURE 6-4 and FIGURE 6-5.) 6.4.2. -
Page 17: Man-Out-Of-Hole Anchoring
6.7. ALTERNATE ANCHORING METHODS IN WET-HOLE tighten nuts on each U-bolt evenly. INSTALLATIONS 6.7.1. In wet-hole installations, when Xerxes’ preferred method 6.5.16. Tighten all hardware uniformly and follow the manufac- of man-out-of-hole anchoring is not available, the following turer’s torque specifications. Double-check the tightness once methods may be used. -
Page 18: General
8.2.2. Refer to SECTION 2.1.3. regarding the use of lifting lugs to hoist the tank when unloading and installing it. 8.2.3. Place the tank or tanks onto the bed. Do not set Xerxes tanks directly onto a concrete slab, on timbers or cradles, or onto the in situ soil. -
Page 19: General
14 of the Installation Manual for instructions on taking diameter and vertical deflection is determined to be within the limits specified by Xerxes (See table in Tank Installation Checklist, measurements.) Record this measurement as Initial Internal Section 4.), the tank must be pressure tested to ensure that no Diameter on the Tank Installation Checklist, Section 4. -
Page 20: General
10. BALLASTING (ADDING LIQUID) B & E A & D Dimension Line Dimension Line Do not use air pressure to test tanks that contain or have Single-Wall & Double-Wall II Double-Wall I contained flammable or combustible liquids or vapors, and do not perform any postinstallation pressure tests. -
Page 21: General
Xerxes. (See Point 6.4.6 and Point 9.1.1.) 11.4.2. When the interstitial space is dry, it is not necessary to vent the space to atmosphere. -
Page 22: General
Monitoring-Fluid 15.2. DOUBLE-WALL TANK Level 15.2.1. A Xerxes double-wall tank has an interstitial space between the wall of the primary (internal) tank and the wall of the secondary (external) tank for the containment and detection of leaked product from the primary tank. -
Page 23: General
Hookup 15.4.1.7. In a tank with the interstice filled with monitoring fluid, Standpipe (by others) Xerxes recommends using a nonmetalic standpipe in the reservoir. Standpipe (by others) 15.4.1.8. The monitoring-fluid level may fluctuate during shipping and may not be at the 3-inch mark. Do not add monitoring fluid until Sensor Cable after tank burial is completed and the monitoring system is set up. - Page 24 (See FIGURE 16-3.) 16.2.1. Visually inspect all pieces and parts for any shipping damage. If any components are missing, contact the UST coor- dinator at the Xerxes plant nearest you. (See FIGURE 16-1 or FIGURE 16-2.) Attached Collar Riser (ACR)
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Page 25: General
16.3.10. Wipe the sanded surfaces clean with a clean, dry cloth before applying adhesive/sealants. Do not use oil-based If using any equipment not powered by air to trim the riser, solvents or water to clean surfaces. before cutting, move the riser a safe distance from the tank, piping or any other source of flammable liquids or vapors 16.3.11. - Page 26 Lock the lever in place. correct method of installation. 17.1.3. Xerxes requires that one of the following methods be used. Do not force the clamping ring closed, or minor or moderate injury may occur. If it binds, rotate the cover and 17.2.
- Page 27 UST coordinator at the Xerxes plant nearest you or from occur. Overfilling the tank while under pressure could technical support at Xerxes Minneapolis, as applicable.
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Page 28: Double-Wall Tank
• Recertification Service, • TRUCHEK ® Hydrostatic Monitoring System brochure. 20.1.1.2. Among those materials available from technical support at Xerxes Minneapolis are: • Alternate Backfill Supplemental Instructions, • UST Deep Burial Guidelines, • Split Backfill Supplemental Instructions. 21. RETAINING INSTALLATION MANUAL 21.1 GENERAL... -
Page 29: Preinstallation
Fiberglass Underground Storage Tanks Single-Wall (SWT), Double-Wall (DWT), Multicompartment (MCT) and Oil/Water Separators (OWS) Complete this checklist, and keep it with copies of any written authorizations for variations and/or deviations received from Xerxes. • Date of Installation_____________________________________Tank Size and Capacity ___________________________________ •... - Page 30 ** Actual height of the tank may be greater than actual tank diameter due to fittings and accessories. Load height during shipping may vary due to tank placement on shipping trailer. *** Adding accessories to the tank may increase the tank weight. 7901 XERXES AVENUE SOUTH, MINNEAPOLIS, MINNESOTA 55431 • PHONE (952) 887-1890 IMC5/01PP...
- Page 31 Corporate Office Minneapolis, MN Tipton, IA Hagerstown, MD Anaheim, CA West Memphis, AR Seguin, TX Corporate Office 7901 Xerxes Avenue South Minneapolis, MN 55431 Phone: (952) 887-1890 Fax: (952) 887-1870 www.xerxescorp.com Manufacturing Facilities Anaheim, California Seguin, Texas Phone: (714) 630-0012...