MEDICAL EMERGENCYWASHDOWN

FIBERGLASS UNDERGROUNDTANK SPECIFICATION

ShortFormSpecifications

Thecontractor shall provide the appropriateunderground fiberglass storage tank for medical emergency wash down application and any optionalaccessories as indicated on tank drawings.Capacity,dimensions, and fitting locations and sizes will also be indicated on tank drawings.The tank willbe as manufactured byContainmentSolutions,Inc.The tank will be installed accordingtomanufacturer’scurrent installation instructions.

LongFormSpecification

1.GENERAL

1.1.Quality Assurance

1.1.1.Acceptable Manufacturers:

Containment Solutions, Inc., Conroe,Texas

1.2.Manufacturing Standards:

1.2.1.Tank shall be manufactured to meet or exceed the requirements of U.L. 1316 Underwriters Laboratories,Inc. Glass-fiber Reinforced PlasticUnderground StorageTanksforPetroleum Products.

1.2.2.ASTM D4097Standard Specification for Contact-Molded Glass-Fiber-ReinforcedThermoset Resin Corrosion-ResistantTanks

1.2.3.American ConcreteInstitutestandardACI 318, Building CodeRequirementsfor Structural Concrete.

1.3.Submittals:

1.3.1.Contractorshallsubmittoengineercopiesofshopdrawingsforeachtankandcopiesof manufacturer’sliterature,includinginstallation instructions and calibration charts.

2.PRODUCTS

2.1.Double-WallFiberglassUndergroundTanks

2.1.1.LoadingConditions -Tanks shall meet the followingdesigncriteria:

2.1.1.1.External hydrostaticpressure: Buried in ground with 7’of overburdenover the top of the tank, the excavation fully flooded and a safety factorof 5:1 against general buckling.

2.1.1.2.Surface Loads:When installed accordingtomanufacturer’scurrent installation instructions, tanks shall withstand surface HS-20 axleload(32,000 lbs/axle).

2.1.1.3.InternalLoad: Primary and secondary tanks shall withstand 5 psig (35 kPa), or 3 psig for 12' diametertanks, air pressuretest with 5:1safetyfactor.

2.1.1.4.Tanks shall be designedto support accessory equipment when installed accordingtomanufacturer’srecommendations andlimitations.

2.1.2.Product-Storage Requirements

2.1.2.1.All primary tanks must be vented.Tanks are designed for operation at atmospheric pressureonly.

2.1.2.2.Tanks shall be capable ofstoring liquids with specific gravity up to 1.1.

2.1.2.3.Tank must be operated at ambient temperature

2.1.2.4.Tank shall be capable of storing the following products:

Chemicals not toexceed 150°F (optional to 180°F) at the tank interior surface

  • The tank will normally be empty and will be used totemporarilycontain chemicals after some emergencyevent.The tank is not designed for the continuous storage of these chemicals.Toinsure short exposure times,the tank must be emptied and then rinsed and cleaned of anyresidual chemicals within 72 hours of use.
  1. Materials
  2. The tank shall be manufactured as a matrix of premiumresin modified to include a 0.100”liner with surface veil and an epoxynovolacvinyl ester resin like Derakane 470 or equivalent, glass fibers and silane-treated silica that together result in a compositeprovidingimprovedcorrosionprotection.
  3. Tank inner wall shall be fabricated against a mold toproduce a non-air inhibited and high gloss laminatetoprovide fully curedinner surface without the need of wax coats, a lowcoefficient of friction and a natural resistanceto the build-up of algae orothercontamination on the surface.Wax and wax resincoatings cannot be used toachieve full surface cure on tank shells and endcaps.
  4. Tankto include liner with surface veil on 100% of the tank interior surface per Section 7.1.1 of ASTM D4097 (StandardSpecificationfor Contact-Molded Glass-Fiber-ReinforcedThermoset Resin Corrosion-ResistantTanks).

2.1.4.Dimensional Requirements (refer toContainment Solutions literature)

2.1.4.1.Nominalcapacityofthetankshallbegallons / liters.

2.1.4.2.Nominal outside diameter of the tank shall be feet.

2.1.4.3.Nominal overall length of the tank shall be feet.

2.1.5.MonitoringCapabilities

2.1.5.1.Double wall tanks shall have a monitoringspacebetween the walls toallowfor the freeflow and containment of leaked productfrom the primary tank.Themonitoringspace shall provide equal communication in all directions.

2.1.5.2.Thefollowingcontinuousmonitoringconditions shall be compatible with the cavitybetween the inner and outer tanks:

Vented toatmosphere

  • Vacuum – 5 psig maximum
  • Positive air pressure (3 psig maximum)
  • External hydrostaticpressure– 7’maximum groundwater head pressureover tank top
  1. Tanks 6’diameter and larger shall have an integrallymounted annular space reservoir installed on the tank for factory-installedbrine and continuoushydrostaticmonitoring.The reservoir shall be constructed of fiberglassreinforced plastic materials andbeincluded in the tank warranty.
  2. Themonitoring fitting for the monitoringspace shall be a 4”NPT fitting.
  3. Themonitoringsystem shall be capable of detecting a breach in the inner and outer tank under the following installed conditions:

When the primary tank is empty.

  • When the primary tank is partially or completely full and the groundwater table is below tank bottom.
  • When the primary tank is partially or completely full and the tank ispartially or completely submerged in groundwater.
  1. The leak detection performance of the monitoringsystem shall be tested and verifiedby a qualified independent consultanttodetect leaks in the primary or secondary tank walls as small as 0.10 gallons per hour within one-month.
  2. Thehydrostaticmonitoringsystem shall be capable of a precisiontank test that is listedby the NationalWorkGroup on Leak Detection Evaluations (NWGLDE) and be listed as a continuousinterstitialmonitoring method (liquid filled) by NWGLDE.
  3. Hydrostaticallymonitored solution used in the monitoringspace shall be compatible with the tank and be of a contrastingcolor tothe tank.
  1. Accessories
  2. FlangedManways
  3. Thestandardmanway is 22”I.D. and will be furnished withgaskets and carbon steelcover.
  4. Location– see standard tank drawings.
  5. Optional:manwayextensionshallbefiberglassandfeetlong.
  6. Tank Bottom Deflector Plates:
  7. Fiberglass plates will be installed under each service fitting and manwayopening.
  8. Secondary Containment Collar
  9. Tank entry warning label shall be affixedtocollar.
  10. Thecollar shall be fiberglassreinforcedplastic, 42”or 48”in diameterand shall be factory-installed in accordance with drawings.
  11. Thecollar shall include an internaladhesivechannel.
  12. Adhesive Kit (Kit AD)
  13. Alcohol compatible adhesive kit shall providea watertight seal atthe tank sump and containment collar joint toprevent theingress or egress of water.The adhesive kit includes resin, catalyst, mixing stick, putty knife,sandpaper,groutbag, and installationinstructions.
  14. Tank Sumps
  15. Tank sump components shall be constructed of fiberglassreinforced plastic and providedby the tank manufacturer.
  16. UL label shall be affixedto tank sump components.
  17. The tank sump shall be 42”or 48”in diameter and must mount to the secondary containmentcollar.Standard tank sump shallconsist of an octagon shaped base (round base is optional), round body extension and enclosuretop.

2.2.5.4.The octagon base shall be 24”in height and provide 19”high panels for piping entry points.The base must be capable of joiningtothe collar with an internaladhesivechannel.

2.2.5.5.A 34”O.D.watertight lid shall be provided at the manway location of the tank and providea watertight seal tothe sump enclosurewith12”of water abovethe lid and remain leak free.

2.2.5.6.Refer totank sump drawings for standard models and configurations.

2.2.6.Anchor Straps

2.2.6.1.Straps shall be supplied bythe tank manufacturer.

2.2.6.2.Number and location of straps shall be as specified bymanufacturer.

2.2.6.3.Each strap shall be capable of withstanding a maximum load of 25,000 lbs.

2.2.7.PrefabricatedConcreteDeadmen Anchors

2.2.7.1.DesignConditions – Deadmen shall meet the followingdesigncriteria:

Deadman shall be designedtoACI 318

  • Manufactured with 4,000 psig concrete
  • Manufacturedinvariouslengths to fit specifiedtank
  • Provide adjustable anchor points for hold down straps
  1. Deadman anchors shall be supplied by the tank manufacturer
  1. FittingsThreaded NPT
  2. All threaded fittings shall be located on amanwaycover or the tank top center line.Fittings tobe supplied with temporary threadprotectors or threadedplugs.
  3. All standardfittings shall be 4”diameter NPT half couplings.
  4. Internal piping shall be terminated at least 4”from the tank bottom(6”for 12’diameter tanks).
  5. Fittings – Fiberglass GussetedNozzles:
  6. All fiberglassnozzles will be supplied with flat-faced flanges and bolt pattern in accordance with ANSI B165, Class 150.

Fiberglassnozzles shall be constructed of epoxynovolacvinylesterresin like Derakane 470 or equivalent.

3.ELECTRONICS

3.1.Control PanelforFloatSwitch Sensors

3.1.1.Provide an electronic control panel constructed of U.L.listed, electronic components.Thecontrol panel powersource is 120 voltsAC(contractorprovided wiring).The sensor monitoringcircuit is an intrinsically safecircuit,i.e., the circuit incapable of releasing sufficientelectrical or thermal energyto cause ignition of specific hazardousmaterial under“normal”or“fault”operating conditions.

3.1.1.1.The model number shall be Model CPF or approved equal as providedbyContainmentSolutions.

3.1.1.2.The number of monitoringcircuits shall be determinedby the number of sensing devices.

3.1.1.3.The electrical components rating shall beWeatherproof (NEMA 4).

3.1.1.4.The dimensions of the control unit are 11.5”x 8”x 4.5”deep.

3.1.1.5.Thetotalpowerconsumption is 0.1 amps and 120VAC.

3.1.1.6.Themonitoringcircuitpoweris 12VoltsD.C. at 15ma.

3.1.1.7.Both the model FHRB810 Hydrostatic Brine Reservoir Dual Float Sensor sensor and the FOVF600 Single Point Overfill Alarm FloatSwitch interface alarm sensor areto connect at the Model CPFcontrolpanel.

3.1.1.8.All CPF control panels include:

Alarm lights for each circuit

  • Warning horn
  • Auxiliary dry contacts switch output for each sensing circuit
  • Panel housing materials: steel, epoxycoated
  • Alarm horn silenceswitch
  • Containment Solutions electronics do not require shielded cable. Sensorcable uses #18 AWG up to5000 feet(provided bycontractor).
  1. All wiring materialsareprovidedby the contractor.Wiring is requiredfrom the powersourceto the control panel and from the controlpanel to the probeassembly. Sensor wires must be in a separateconduitfrom the powerwires.

3.2.Single PointOverfill Alarm FloatSwitch:

3.2.1.Provide a sensor that can be used todetermine the liquid level has reached a critical High Level in the tank.

3.2.1.1.The sensor is tobe model FOVF 600 S byContainment Solutions.

3.2.1.2.Thecontractor is responsibleforreferringtoContainment Solutions Installation Instructions for lengths and accessories need forinstallation.

3.3.Hydrostatic Brine Reservoir Dual Float Sensor

3.3.1.Provide a sensor that is designedformonitoringHydrostatic Reservoirs of double wall fiberglasstanks.

3.3.1.1.Thehydrostatic reservoir sensor shall include two floats on a stem with twopredetermined set points.

3.3.1.2.The assembly is designed tooperate in brine solution.

3.3.1.3.The sensor shall be supplied byContainmentSolutions.The model number shall be FHRB 810. Each tank is tohave one FHRB 810per tank.

3.3.1.4.Sensor must be installed per tank manufacturer’scurrent installation instructions.

3.3.1.5.Brine level in tank reservoir must be set per manufacturers installation instructions based on liquid level in tank at time ofinstallation of sensor.

4.TANKTESTINGANDINSTALLATION

4.1.TankTesting and Installation

4.1.1.Testing -Tank shall be tested and installed accordingto the CSI Installation Instructions in effect at time of installation.

4.1.2.Installation -Tank shall be installed according tothe CSI Installation Instructions in effect at time of installation. Contractor shall betrained bythe tank manufacturer

5.LIMITEDWARRANTY

5.1.LimitedWarranty

5.1.1.Warrantyshall be Containment Solutions ChemicalTank limited warrantyin effect at time of delivery.

Copyright © ContainmentSolutions,Inc. • All Rights Reserved • June 2014 • Pub.No. CHEM 17012B