what if analysis
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What-if Analysis
What-if AnalysisDefinisiMetode ide terstruktur menentukan hal-hal apa yang bisa salah dan menilai kemungkinan dan konsekuensi dari situasi yang terjadiJawaban untuk pertanyaan-pertanyaan ini membentuk dasar untuk membuat penilaian mengenai batas wajar risiko tersebut dan menentukan program tindakan yang direkomendasikan bagi yang risiko dinilai tidak dapat diterimaLangkah-langkah sebelum AnalisisPembuatan Block Diagram dan P&IDBlock Diagram
P&ID
Penomoran Peralatan
Pembuatan List Peralatan berdasarkan Penomoran
Pemilihan Subsistem
Membuat List Pertanyaan terkait SubsistemWhat If?AnswerLikelihoodConsequencesRecommendations1.Granular powder is not freely flowing?2.Drum is mislabeled?3.Wrong powder in the drum?4.Drum hoist is not used?5.Two drums are added?6.Drum is misweighed?7.Drum hoist fails?8.Drum is corroded?9.Ventilation at mixing tank is not operating?10.Granular powder becomes dusty?11.Powder gets on operators skin?12.Tank liquid level too high?Mengisi Kolom Answer dengan Alasan-alasan Penyebab PertanyaanWhat If?AnswerLikelihoodConsequencesRecommendations1.Granular powder is not freely flowing?2.Drum is mislabeled?3.Wrong powder in the drum?4.Drum hoist is not used?5.Two drums are added?6.Drum is misweighed?7.Drum hoist fails?8.Drum is corroded?9.Ventilation at Mix Tank is not operating?10.Granular powder becomes dusty?11.Powder gets on operators skin?12.Tank liquid level too high?1.Back injury potential when breaking up clumps2.Quality issue only3.If wet, could cause exotherm4.Back injury potential5.Quality issue only6.Quality issue only7.Leg, foot, back, arm injury8.Iron contamination as well as drum failure & injury9.Dusting & potential operator exposure10.Same as above11.Possible burn12.Possible caustic splash as well as quality issueMengisi kolom Likelihood dan Consequences dengan Membuat Diagram Risk Analysis
What If?AnswerLikelihoodConsequencesRecommendations1.Granular powder is not freely flowing?2.Drum is mislabeled?3.Wrong powder in the drum?4.Drum hoist is not used?5.Two drums are added?6.Drum is misweighed?7.Drum hoist fails?8.Drum is corroded?9.Ventilation at Mix Tank is not operating?10.Granular powder becomes dusty?11.Powder gets on operators skin?12.Tank liquid level too high?1.Back injury potential when breaking up clumps2.Quality issue only3.If wet, could cause exotherm4.Back injury potential5.Quality issue only6.Quality issue only7.Leg, foot, back, arm injury8.Iron contamination as well as drum failure & injury9.Dusting & potential operator exposure10.Same as above11.Possible burn12.Possible caustic splash as well as quality issueQuite
PossibleRemoteUnlikelyPossibleRemotePossibleRemote
Remote
UnlikelyUnlikelyQuitePossible
Remote
Serious
SeriousMinorSeriousMinorSeriousSerious
Serious
MinorMinorSeriousVerySerious
Pembuatan Rekomendasi Tindakan yang Dapat Dilakukan untuk Mengatasi PertanyaanWhat If?AnswerLikelihoodConsequencesRecommendations1.Granular powder is not freely flowing?2.Drum is mislabeled?3.Wrong powder in the drum?4.Drum hoist is not used?5.Two drums are added?6.Drum is misweighed?7.Drum hoist fails?8.Drum is corroded?9.Ventilation at Mix Tank is not operating?10.Granular powder becomes dusty?11.Powder gets on operators skin?12.Tank liquid level too high?1.Back injury potential when breaking up clumps2.Quality issue only3.If wet, could cause exotherm4.Back injury potential5.Quality issue only6.Quality issue only7.Leg, foot, back, arm injury8.Iron contamination as well as drum failure & injury9.Dusting & potential operator exposure10.Same as above11.Possible burn12.Possible caustic splash as well as quality issueQuite
PossibleRemoteUnlikelyPossibleRemotePossibleRemote
Remote
UnlikelyUnlikelyQuitePossible
Remote
Serious
SeriousMinorSeriousMinorSeriousSerious
Serious
MinorMinorSeriousVerySerious
Design delumping equipment
Contact vendorInclude inspection in procedureTrain personnel & ensure useNoneRequire 2ndcheck on weightEnsure hoist on PM program
NoneInclude vent check in SOPNone beyond existing procedureUse dust suit & glovesUse goggles and apronPelaporan Hasil ke Pihak-Pihak Terkait