Process Safety Management in Marketing …

1 Process Safety Management inMarketing locationsDesign of Fire Safety System in POL LocationsCritical Safety issues in Marketing locations Striving for improved (HSE) CO , IOCLD esign of Fire Safety System in POL locations OISD 117 OISD 244 ( Draft V)Design of Fire Safety System in POL LocationsStipulations in OISD Standards needing special attention Two largest Fire contingencies if total tankage > 30 TKLArea-IArea-II14 , 12h28 , 14h14 , 12h29 , 15h10m10m10m12mLargesttankLargesttank18 , 14h18 , 15h18 , 14h18 , 14h18 , 14h18 , 14h10m10m10m10mCone Roof Tank FarmFloating Roof Tank FarmDesign of Fire Safety System in POL locations (A)Fire water requirement for area I ( Tank farm containing CR Tanks ) Cooling ( exposure protection)X-1 Full surface fire ( foam application @ 5lpm/m2)

2 X-2 Supplementary water ( 4X36 M3/Hr )X-3 TotalX OISD does not envisage fighting Full surface fire in CR tanks usingHVLRMs while working out fire water , 14h18 , 15h18 , 14h18 , 14h18 , 14h18 , 14h10m10m10m10mCone Roof Tank FarmDesign of Fire Safety System in POL locations (B) Fire water requirement for area II ( Tank farm containing FR Tanks ) Cooling ( exposure protection)*Y-1 Rim seal fire ( foam application @ 12 lpm/m2)Y-2 Supplementary water ( 4X36 M3/Hr )Y-3 TotalY*Tank on Fire 29 M X 15 M being largestArea-II14 , 12h28 , 14h14 , 12h29 , 15h10m10m10m12mLargesttank28 M X 14 M ( more cooling water required)NOFloating Roof Tank FarmDesign of Fire Safety System in POL locations (C) Fire water requirement FR Tank on full surface Fire Cooling ( exposure protection)Z-1 (= Y-1) Full surface Fire ( foam application @ lpm/m2)$Z-2 Supplementary water ( 4X36 M3/Hr )Z-3 TotalZ$-Potential foam losses from wind and other sources to beadded as per design requirementFire Water Required.

3 Z if Z > X+Y X+Y if Z< X+Y One FR Tank on full surface fire equivalent to Two LargestFire contingencies( HOW MUCH ? )Design of Fire Safety System in POL LocationsMinimum residual pressure of7 kg / cm2 (g)at hydraulicallyremotest pointHead loss in each segment should be based on designflow in that segment to arrive at residual pressure athydraulically remotest of Fire Safety System in POL LocationsSpray nozzles be directed radically at a distance notexceeding60 cmfrom Tank surfaceTANKS prinkler system> 60 cmDesign of Fire Safety System in POL LocationsClause (j)

4 Well laid procedures & plans shall be made & put intouse of HVLRMs to combat emergency without loss of attention required for Foam recoupment arrangementDesign of Fire Safety System in POL LocationsWhat if all tanks are in a single dyke?R +30R +30 Some tanks may not be within horizontal range of HVLRMsDesign of Fire Safety System in POL LocationsFire water ring around tank in two partsTank onFire> 30 MActivate this part onlyDesign of Fire Safety System in POL LocationsCommon observations needing correction / attention RAtobedoneatthelayoutstage.

5 MismatchofRPMofFireEngine&pump FireEngineincapableofreachingdesiredRPMt odeliverQ&Hasperdesign/requirement Installationofremotecontrolpanelsadjacen ttoHVLRMs. CentralizedFoamfeedingarrangementDesign of Fire Safety System in POL locations InadequatepressureinFireHydrant InadequatereplenishmentcapabilityofFireW ater Incorrectplacementofmonitors HVLRM notvisiblefromRemotepanel. MismatchofdesignedheadsofFirepumps IneffectivequalitymanagementofFireWater FiresystemnotworkinginAutomode IncorrectstorageandhandlingofFoamandinad equatefoaminventory.

6 Observations needing correction / attentionDesign of Fire Safety System in POL LocationsPoints to Ponder CanrequirementofRemotecontrol,variableFl owHVLRM sberelaxedforIFRTs? Firewaterhydrantheadersizeaugmentation-4 9 sqinchtobeaugmentedto98 14 14 20 +Existing FireWater HeaderDesign of Fire Safety System in POL LocationsPoints to Ponder Willitnotbeagoodideatoprovidemanifold(fo rconnectingportableHVLRMs)onhydrantheade rsaroundFloatingRoofTanksdyke- GPM HVLRM1000 GPM HVLRM10m10mT1, T2, T3 Tanks with 18 mdia and 16 m heightHydrant Line8m8m48m33mIssues: of jet throw2.

7 What if monitor malfunctions3. No variable flow required4. Better flexibility available in case of mobile 4 fixed 1000 GPM HVLRMs required. 1 portable 1000 GPM HVLRM would have of Fire Safety System in POL LocationsPoints to Ponder contd Whatisimpactofwindvelocity(>4km/hr)orinl etpressure<7 Criteriatobefollowedforpositioningofafix edHVLRM insuchawaythatitcanbeoperatedmanually. Canwerelaxrequirementofvariableflow,remo tecontrolfeaturesofHVLRM sandmakeitneedbased? Circumstancesunderwhichalocationtobetrea tedas notmeetingsafetydistancenormsasperOISD forthepurposeofprovisionoffixedHVLRMs Trainingneeds/SOPs