INSTALL 2018 - Laserfiche WebLink

Home Browse Search

1.3.6.2.PREFERRED METHOD 1.3.7.ANCHORING TANKS 1.3.6.2.1.The preferred method is to install newtank(s)in a separate 1.3.7.1.GENERAL hole if space allows and/or if existing tank(s)must remain in service 1.3.7.1.1.The tank ownerorthe owner's technical representative during installation of the newtank(s).The preferred method is described here(see Figure 1-4): is responsible for determining an appropriate anchoring system. • install a new tank in a separate hole at least3 feet[90 cm] 1.3.7.1.2.We recommend that everysite be thoroughly from the original hole evaluated forthe potential of a rise in the local watertable • follow procedures outlined in the Installation Manual oroftrapped water(a wet-hole condition).Sufficient overburden • maintain the natural barrierof undisturbed soil between tanks andloran appropriate anchoring system mustbe presentto offset • seesection1.3.5forminimumspacing requirements between tanks buoyancyofthe tank in such conditions. • sufficientsoil must remain between the excavations so that NOTICE the backfill in the original excavation does not shift. Failureto provide sufficient overburden and/oran appropriate anchoring system could cause tank failure,or could result in damage to the tank and/or surrounding property. PREFERRED METHOD 1.3.7.2.ANCHOR STRAPS . . ... . .. .. .... . . .... .... .... .. 36" GENERAL 1.3.7.2.1.Only ouranchorstraps may be used when anchoring ourtank. We have the following anchor strap models: • D-ringlD-ring anchor straps • man-out-of-hole(MOH)straps • hook/hook anchor straps On Canada only) ALTERNATE METHOD NOTE: For information on the hook/hook anchor straps,refer to the Hook/Hook Anchor Straps Instructions supplement.See the Introduction for information on how to obtain this supplement. O see section Depending rn which type 1 anchor strap is being used, see section 1.3.7.2.7(D-ringlD-ring)or 1.3.7.2.9(MOH). 1.3.7.2.4.The locations for anchor straps on each tank are marked on the tank ribs by the arrowhead symbols N(on the tank itself on 4-foot-diameter tanks). 1.3.6.3.ALTERNATE METHOD 1.3.7.2.5.When straps are placed over ribs,make sure that the area between the straps and the ribs is free of rocks or debris. A WARNING Failuretoshoretanksifnecessarytokeep the existing tank(s) D-RING/D-RING ANCHOR STRAPS from moving could result in death c r serious injury. A CAUTION 1.3.7.2.6.Our D-ringlD-ring anchor straps are designed If any existing tank(s)should move during the installation of new foranchoringourtanks. tanks,they must be removed and reinstalled according to the tank 1.3.7.2.7.While in the tank hole,the ends of the D-ringlD-ring manufacturer's instructions.Failure to follow this caution could anchorstraps are connected to anchor points using hardware described result in minoror moderate injury. in section 1.3.7.3. 1.3.6.3.1.If the preferred method outlined above is not possible or practical,use the alternate method described hereto bury additional MAN-OUT-OF-HOLE(MOH)STRAPS tanks in the same installation hole(see Figure 1-4): • EmptyRemo existing surface faces to less than 114 of capacity. 1.3.7.2.8.The man-out-of-hole(MOH)straps system is designed for use • Remove the surface slab. • Enlarge the excavation for the new tanks,but leave as much in installations where water is in the excavation and/or where personnel backfill as possible around the existing tanks. may not enter the tank hole. • Install shoring,if necessary,to make sure that existing tanks 1.3.7.2.9.The MOH strap consists of two identical halves. do not move and that sufficient backfill remains around them. 1,3.7.2.10.The ends of the MOH anchor straps are connected directly • Follow the procedures and requirements for installing the tanks as outlined in this Installation Manual. • See section 1.2 for backfill requirements,and see section 1.3 forexcavation and spacing requirements. I: PLANNING FOR INSTALLATION 09