Xerxes Fiberglass Underground Storage Tanks, Installation Manual

Page 1: ...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...

Page 2: ...allationTesting p 18 9 1 General Section 10 Ballasting p 19 10 1 General Section 11 Piping andVenting p 19 11 1 Internal Piping 11 2 External Piping 11 3 Venting Tank 11 4 Venting Interstitial Space S...

Page 3: ...6 Careless activity or reckless operation of equipment can cause death serious injury or property damage 1 2 GENERAL 1 2 1 It is important to follow the procedures and instructions in this manual in o...

Page 4: ...uated on top of the tank in its upright position FIGURE 2 1 30 Max 1 2 8 Federal state and local codes and regulations always take precedence over a Xerxes requirement 1 2 9 Xerxes must authorize in w...

Page 5: ...too much momentum Momentum can grow because fittings on top of the tank make it top heavy Make sure the tank s fittings and manways never touch the ground Do not rotate the tank more than 120 from the...

Page 6: ...serious injury 3 1 9 Refer to the appropriate section below for instructions for the following situations 3 1 9 1 For testing a single wall tank see SECTION 3 2 3 1 9 2 For testing a double wall tank...

Page 7: ...terstitial space by itself may damage the primary tank or cause tank failure 3 3 3 2 Free the hose from the service fitting by cutting the nylon tie 3 3 3 3 Insert the hose into the quick disconnect f...

Page 8: ...ct the air supply line 3 4 1 9 Soap all service fittings and manways Watch for active air bubbles which indicate a leak Look through the laminate for any active air bubbles rising to the top Their pre...

Page 9: ...eeded for the test manifolds Follow instructions in Point 3 1 5 See FIGURE 3 6 and FIGURE 3 7 3 6 1 3 Before doing the air test of the base tank described in SECTION 3 6 2 and the air test of the end...

Page 10: ...r End Tank End Tank End Tank Lifting Lug Typical Manway with Fittings Optional Reservoir Monitor Fitting Base Tank 9 FIGURE 3 12 FIGURE 3 13 3 7 2 AIR TEST OF BASE TANK 3 7 2 1 Connect the pressure so...

Page 11: ...Disconnect the air supply line 3 8 3 4 Soap all service fittings and manways Watch for active air bubbles which indicate a leak Look through the laminate for any active air bubbles rising to the top T...

Page 12: ...d result in death or serious injury 5 1 GENERAL 5 1 1 The installing contractor must take all precautions necessary to protect employees working in or near a tank excavation These precautions should i...

Page 13: ...vide sufficient clearance to allow the deadmen to be set outside of the tank shadow See FIGURE 5 3 FIGURE 5 3 5 2 2 STABLE IN SITU NATIVE SOIL CONDITIONS 5 2 2 1 Where shoring is not required to maint...

Page 14: ...ced concrete beam 6 1 2 The length of the deadman is typically equal to the length of the tank 6 1 3 A deadman may be fabricated in multiple sections as long as the total length is not decreased and e...

Page 15: ...for further information 6 1 8 Lay the deadmen in the excavation parallel to the tank and outside of the tank shadow See FIGURE 5 3 6 1 9 In multiple tank installations with deadmen each tank will have...

Page 16: ...must be used on all marked hold down locations Do not place straps between ribs except on 4 foot diameter tanks Failure to properly place straps may result in tank damage 6 4 4 Data for hold down stra...

Page 17: ...p as near the loop or thimble as possible turn nuts on second clip firmly but do not tighten initially See FIGURE 6 4 6 5 15 When more than two clips are required space additional clips equally betwee...

Page 18: ...ce one 12 inch lift of approved backfill material evenly around the tank From the edge of the hole or the top of an adjacent tank push the backfill in place by using a nonmetal probe long enough to re...

Page 19: ...osed areas of the tank and all fittings and monitoring the pressure for one hour 9 1 4 Carefully relieve the pressure in the tank Remove the quick disconnect assembly from dry double wall tanks 12 Do...

Page 20: ...inches 6 inches for 12 foot diameter tanks from the tank bottom All metal fittings and other metal components must be coated to protect against corrosion 11 1 2 Refer to FIGURE 11 1 along with TABLE 1...

Page 21: ...d in SECTION 5 13 1 6 When the tank has been backfilled to subgrade before placement of asphalt or concrete take a measurement of the internal diameter of the tank See SECTION 14 of the Installation M...

Page 22: ...4 3 1 Place the dipstick into a service fitting with a standpipe 14 3 2 Measure and record the distance from the tank bottom to the top of the standpipe 14 3 3 Pull the dipstick up until the nail catc...

Page 23: ...l the UST coordinator at the Xerxes plant nearest you 15 4 1 6 If a tank is sloped the reservoir should be at the high end 15 4 1 7 In a tank with the interstice filled with monitoring fluid Xerxes re...

Page 24: ...and vapors Do not pressurize the ACR assembly after installation is completed The ACR system is an enclosed space Hazardous fumes may be present so precautions should be taken to properly vent the sp...

Page 25: ...ion process 16 5 3 TESTING ACR WT RISER TOP 16 5 3 1 Water test the riser top after the adhesive sealant in the groove at the top of the riser has sufficiently set 16 5 3 2 Plug any wall penetrations...

Page 26: ...The contractor must install a concrete form to allow a minimum 3 inch clearance between the concrete pad street box frame and the riser top 16 7 3 Backfill to the top of the ACR system 16 7 4 Backfil...

Page 27: ...ion such as automatic shut off devices flapper valves or vent restriction devices ball float valves which will close off the internal piping and reduce the tank s capacity 18 2 5 Owner operator must n...

Page 28: ...ice 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 Buria...

Page 29: ...d according to installation instructions B InternalDiameterMeasurement Theinternaldiameterofthetankismeasuredanddocumented FinalInternalDiameterinSection4below C Monitoring Fluid Tanks 1 Check and rec...

Page 30: ...369 10 4 10 4 21 5 1 4 21 5 1 4 3 200 4 500 6 200 12 000 12 068 11 849 10 4 10 4 24 1 4 24 1 4 3 600 5 000 7 000 15 000 15 248 14 976 10 4 10 4 29 5 3 4 29 5 3 4 4 500 6 100 8 600 10 20 000 20 055 19...

Page 31: ...Iowa Phone 563 886 6172 Fax 563 886 2042 Corporate Office 7901 Xerxes Avenue South Minneapolis MN 55431 Phone 952 887 1890 Fax 952 887 1870 www xerxescorp com Manufacturing Facilities 2001 Xerxes Corp...