Balmoral Tanks - Balmoral Group

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Installation continued...Bunded tanksA typical bunded fuel oil storage tank installation300mm min300mm minNon-fire rated boundary300mm min760mm minFire Prevention ClearancesTank to be installed inaccordance with therequirements of BS5410 andsimplified in OFTEC documentTI14.Base100mm thick 1:2:4 concretemix or 65x215mm precastconcrete lintels to BS 5977 or50mm thick paving slabs300mm min1.8m minNon-fire rated wall of buildingExpansion ClearanceTank must be installed withclearance of 150mm all roundto allow for expansion when fullof fuel.Tank Support BaseMaintenance ClearancesBunded tanks need a clearanceof 600mm all round to allowpossible inspection of inner tankby removal of outer bund topcover.Tank Support BaseBase must fully support the tankwith no overhangs or gaps.Compacted hardcoreNote: Large tanks requirethicker bases. Consult OFTECor an OFTEC registeredengineer for advice.◗ Store in an upright position, support the entire base of thetank on a firm, flat, level surface ensuring that the area isfree from any sharp stones or other debris<strong>Tanks</strong> providing fuel oil todomestic users (single familydwellings with a capacityof less than 3500ltrs) mustcomply with the requirementsof OFTEC Technical Book 3:Section 2.7. An OFTECregistered engineercan provide full details.◗ The tank must be adequately separated from anysurrounding structures (HSE guidelines suggest 4m). Theseparation between other tanks should be the minimumneeded for safe construction and operation. We recommenda minimum of 300mm (12”) all round. Also allow spaceabove the tank for the hinged access cover to fully open◗ Position the tank ensuring best access for filling,maintenance and safety◗ Ensure the tank is protected from strong wind (especiallywhen empty). If necessary strap it down. Be careful not toinduce too much force when tying down as to distort productshape◗ Connect all pipework, fittings, accessories and supportstructures◗ The tank and the integrity of seals could be affected ifpipework and fittings are not suitably supported◗ Use PTFE tape or Stag compound for jointing◗ Do not allow factory fitted outlets to become loose or turnduring fitting of accessories or fuel supply pipes. The 1” BSPbottom outlet fitting (where applicable) is set at anoptimum torque (45 lb/ft, 61Nm) for O-ring seals on theouter tank wall◗ If gravity feed is not suitable for your application see yourauthorised distributor for information on pumps◗ Clearly label the tank to identify the contents and anyrelevant safety information12
Underground tanksA typical underground fuel oil storage tank installationNo vehicles in this areaNo vehicles in this areaGravelConcrete backfill45º300mm concrete150mm concrete500 gauge polythene sheet on 50mm sand blinding200mm hardcore depending on site conditionsLocation of tankAll underground tanks MUST be buried in concrete.Superimposed loads, such as vehicles, should NOT be allowedwithin the protection area shown in the following illustration(minimum 2m from the outer edge of the tank). The areashould be fenced or clearly marked to restrict access.If this cannot be followed a reinforced concrete slab must bedesigned/installed by a qualified civil/structural engineer sothat no loads are transmitted directly on to the tank.The standard installation depth of 500mm, to the top of thetank body, MUST NOT be exceeded.InstallationIt is recommended that a full risk assessment be completed onthe site, installation process and all parts prior to installation.None of these tanks can be installed in wet ground conditions(where at any time the ground water may rise above the baseof the tank).◗ The excavation should allow for a minimum of 250mm allround the tank and approximately 500mm below the tank forhard core and concrete◗ Allow for suitable pumps to keep the excavation dry untilthe installation is complete◗ Fit suitable planking and strutting as necessary◗ Lay: A) 200mm thick hard core (or as necessaryfor site conditions)B) 50mm sand blindingC) 500 gauge polythene sheet over the base of theexcavation◗ If necessary set temporary shuttering to contain theconcrete surround◗ Lay a wet bed of concrete 150mm thick (strength 20N/mm 2 ,slump test 50mm)◗ Lower tank carefully onto the concrete. Check that the tankis true and level◗ Haunch concrete 300mm up around base of tank◗ Back filling;A) Back fill evenly all around the tank with concrete(minimum 15 N/mm 2 ) proceeding in 150mm layers. It isvital to ensure that the tank is filled with water 300-500mm ahead of the concrete back fill, then emptiedof all water and refilled with the intended liquid tobe storedB) Alternatively the concrete can be placed around anempty tank in four progressive lifts with a 12 hourdelay between each lift to limit the concrete pressure.The tank will have to be carefully restrained bytemporary strutting to prevent any chance of flotationduring this processEnsure that there are no voids or areas of differingpressure around the tank◗ Do not use a vibrating poker◗ Complete concrete backfill to 200mm below tank lid◗ Finish to ground level with 12-15mm gravel or earth◗ Ensure that the tank lid is a minimum of 150mm aboveground and is situated in an area where ground water willnot lie◗ Ensure that the tank lid has the ability to hinge open to 90°◗ Ensure that all holes placed in the tank neck for fuel outletpipes are sealed (eg with a suitable flexible grommet) toprevent ingress of water13
Page 1 and 2: BALMORAL TANKSFUEL OILSTORAGE ANDDI
Page 3: Fuel oil storage and dispensing 3Wh
Page 7 and 8: What is a fuel oil storage tank?Bal
Page 10 and 11: Submersible pumpsBalmoral Tanks doe
Page 12 and 13: Tank siting and installationThe sto
Page 16 and 17: Industry regulationsCurrent oil sto
Page 19: AGRICULTURAL,COMMERCIALAND INDUSTRI
Page 22 and 23: BUNDED TANKSFor agricultural, comme
Page 24 and 25: Vertical bunded tank optionsVertica
Page 26 and 27: HORIZONTAL BUNDED TANK RANGEHB1135
Page 28 and 29: VERTICAL BUNDED TANK RANGEVB5000 Ve
Page 30 and 31: BALMORAL SUPERFILL TMFuel oil stora
Page 32 and 33: HORIZONTAL SUPERFILL TANK RANGESF11
Page 34 and 35: BALMORAL SUPERBLUE TMAdBlue TM stor
Page 36 and 37: BALMORAL SUPERBLUE TANK RANGESB500
Page 38 and 39: BUNDED WASTE OIL TANKSSafe storage
Page 40 and 41: SINGLE SKIN TANKSFor agricultural,
Page 43: DOMESTICAPPLICATIONSBunded tanksSin
Page 46 and 47: BUNDED TANKSFor domestic applicatio
Page 48 and 49: SINGLE SKIN TANKSFor domestic appli
Page 50 and 51: SINGLE SKIN TANK RANGEFor domestic
Page 52 and 53: UNDERGROUND TANKSFor domestic appli
Page 55: BALMORAL TANKSwww.balmoraltanks.com
Page 58 and 59: Balmoral Tanks

Balmoral Tanks - Balmoral Group

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