Download - Foam water sprinkler
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Foam Water SprinklerSafety Engineering – Surabaya Shipbuilding Institute of Polytechnic
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• Nur Ifrah R. A.6512040098
• Irfiyah Miftahatus S.6512040102
• Marsha S. Agatha6512040103
• Meiske Youlanda S.6512040108
Disusun oleh:
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PENDAHULUAN
TINJAUAN PUSTAKA
METODE PENELITIAN
PENGUMPULAN DAN PENGOLAHAN DATA
KESIMPULAN DAN SARAN
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BAB 1
Latar Belakang
Rumusan Masalah
Tujuan
Manfaat
Batasan Masalah
Pendahuluan
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Latar belakang
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Kurang handalnya
sistem pemadam kebakaran
Sering terjadi Kebakaran
Kurangnya tempat
pengawasan terhadap bahaya
kebakaran
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Rumusan masalah
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Bagaimana menentukan foam concentrate yang sesuai dengan karakteristik Spinning Department di PT. LOTUS INDAH TEXTILE
INDUSTRIES?
Bagaimana menentukan jumlah sprinkler yang sesuai dengan karakteristik Spinning
Department di PT. LOTUS INDAH TEXTILE INDUSTRIES?
Bagaimana penempatan sistem sprinkler pada Spinning Department di PT. LOTUS INDAH
TEXTILE INDUSTRIES?
Bagaimana menentukan jumlah volume foam solution yang dibutuhkan untuk perancangan sistem sprinkler pada Spinning Department di
PT. LOTUS INDAH TEXTILE INDUSTRIES?
Bagaimana menentukan sistem perpipaan pada perancangan sistem sprinkler pada Spinning Department di PT. LOTUS INDAH
TEXTILE INDUSTRIES?
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tujuan
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Untuk menentukan foam concentrate yang sesuai dengan karakteristik Spinning
Department di PT. LOTUS INDAH TEXTILE INDUSTRIES?
Untuk menentukan jumlah sprinkler yang sesuai dengan karakteristik Spinning
Department di PT. LOTUS INDAH TEXTILE INDUSTRIES?
Untuk menentukan penempatan sistem sprinkler pada Spinning Department di PT.
LOTUS INDAH TEXTILE INDUSTRIES?
Untuk menentukan jumlah volume foam solution yang dibutuhkan untuk perancangan sistem sprinkler pada Spinning Department di
PT. LOTUS INDAH TEXTILE INDUSTRIES?
Untuk menentukan sistem perpipaan pada perancangan sistem sprinkler pada Spinning
Department di PT. LOTUS INDAH TEXTILE INDUSTRIES?
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manfaat
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Dapat menentukan foam concentrate yang sesuai dengan karakteristik Spinning
Department di PT. LOTUS INDAH TEXTILE INDUSTRIES?
Dapat menentukan jumlah sprinkler yang sesuai dengan karakteristik Spinning
Department di PT. LOTUS INDAH TEXTILE INDUSTRIES?
Dapat menentukan penempatan sistem sprinkler pada Spinning Department di PT.
LOTUS INDAH TEXTILE INDUSTRIES?
Dapat menentukan jumlah volume foam solution yang dibutuhkan untuk perancangan sistem sprinkler pada Spinning Department di
PT. LOTUS INDAH TEXTILE INDUSTRIES?
Dapat menentukan sistem perpipaan pada perancangan sistem sprinkler pada Spinning
Department di PT. LOTUS INDAH TEXTILE INDUSTRIES?
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BATASAN MASALAH
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Dikhususkan untuk perancangan instalasi sprinkler Spinning Department PT. LOTUS
INDAH TEXTILE INDUSTRIES
Untuk identifikasi dan penggolongan setiap ruangan pada Spinning Department PT.
LOTUS INDAH TEXYILE INDUSTRIES
Tidak membahas mengenai spesifikasi sistem instalasi listrik yang berhubungan
dengan instalasi sprinkler
Tidak membahas tentang estimasi biaya perancangan
Perancangan ini tidak membahas mengenai sistem perpipaan seperti pengelasan dan
penyambungan pipa
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Tinjauan pustaka
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Definisi Sprinkler
Sprinkler adalah alat yang bekerja secara otomatis dengan memancarkanmedia pemadam bertekanan ke segala arah untuk memadamkan kebakaran atausetidak-tidaknya mencegah meluasnya kebakaran
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Definisi Foam Water Sprinkler
Alat yang bekerja secara otomatis dengan memancarkan media pemadam busa(foam solution) yaitu campuran antara air dengan zat kimia pembentuk foam(foam concentrate) ke segala arah.
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Media Pemadam Busa3 aksi pemadaman:
Menutupi
Melemahkan
Mendinginkan
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Jenis Sistem Foam Water Sprinkler
Foam Water Dry Pipe System
Preprimered System
Foam Water Deluge System
Foam Water Preaction System
Foam Water Spray System
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Macam Zat Kimia Pembentuk Foam (Foam Concentrate)
Alcohol-Resistant Foam Concentrate
Aqueous Film-Forming Foam Concentrate
Fluoroprotein Foam Concentrate
Medium and High Expansion Foam Concentrate
Protein Foam Concentrate
Synthetic Foam Concentrate
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Bentuk Sprinkler
Fusible Element Type
Bulb Type
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53o C
68o C
79o C
93o C
141o C
182o C
201o C260o C
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Penempatan Sprinkler
Tipe Konstruksi
Light Hazard Ordinary Hazard Extra Hazard
Area Protek
si(ft2)
Jarak Maksimal(ft)
Area Protek
si(ft2)
Jarak Maksimal(ft)
Area Protek
si(ft2)
Jarak Maksimal(ft)
Non Combustible Obstructed
Non Combustible UnobstructedCombustible Unobstructed
225 15 130 15 100 12
Combustible Obstructed 168 15 130 15 100 12
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Penempatan Sprinkler Untuk Mencegah Halangan Keluaran
SprinklerJarak dari Sprinkler ke Sisi Penghalang
(a)
Jarak Maksimal antara Deterktor ke Dasar Pengahalang
(b)
< 1 ft 0
1 ft < 1 ft 6 in 2,5
1 ft 6 in < 2 ft 3,5
2 ft < 2 ft 6 in 5,5
2 ft 6 in < 3 ft 7,5
3 ft < 3 ft 6 in 9,5
3 ft 6 in < 4ft 12
4 ft < 4 ft 6 in 14
4 ft 6 in < 5 ft 16,5
> 5 ft 18
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Peletakan Sprinkler untuk Mencegah Penghalangan
terhadap Keluaran Sprinkler
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Penghalang terhadap Dinding
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Jarak Minimum dari Penghalang
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Persyaratan Penyediaan Foam Solution pada Sistem Sprinkler
Pipe Schedule
Klasifikasi Hunian
Tekanan Residual Minimal
yang Diperlukan
(psi)
Flow yang Diijinkan
pada Dasar Riser (gpm)
Durasi(menit)
Light Hazard 15 500-750 30-60
Ordinary Hazard 20 850-1500 60-90
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Peralatan Foam-Water Sprinkler
Bladder Tank
• tempat / wadah penampung foam untuk proses pemadaman.
Proportioner
• Peralatan yang menginduksikan atau mengatur cairan busa bersama aliran air dan untuk mengatur busa dengan kadar antara 1%-6%
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Penyediaan Air
Sistem air PAM, jika tekanan dan kapasitas memenuhi sistem yang direncanakan
Pompa kebakaran otomatis yang dilengkapi dengan sumber air yang memenuhi keperluan desain hidrolis
Bejana tekan
Tangki gravitas
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Pemeliharaan Sistem Sprinkler
Pemeriksaan pompa
Keadaan sumber dan kapasitas baik air maupun foam concentrate
Alarm check valve atau degauge valve
Pemeriksaan instalasi pipa sprinkler
Membersihkan dan memeriksa sprinkler-sprinkler
Memeriksa stock sprinkler cadangan di gudang
Pembersihan instalasi pipa sprinkler
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Metode penelitian
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PENGOLAHAN DAN PERHITUNGAN DATA
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Penentuan Kapasitas Tangki
Foam ConcentrateVfc = Qfs . t . n%
Keterangan:Vfc = Volume foam ConcentrateQfc = Debit foam concentrateT = Discharge durationn% = Presentase foam concentrate
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Penentuan Kapasitas Air
=
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Perhitungan Head Loss
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Head Loss Mayor
𝑯𝒎𝒂𝒚𝒐𝒓= 𝒇 𝑳𝒗𝟐
𝑫 .𝟐𝒈
Di mana:Hmayor = kerugian gesek pipa lurus (m)f = friction factorL = panjang total pipa (m)v = kecepatan (m/s)D = diameter pipa (m)g = percepatan gravitasi (m/s2)
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Head Loss Pipa Bercabang
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Head Loss Minor
𝑯𝒎𝒊𝒏𝒐𝒓=𝑲 𝒗𝟐
𝟐𝒈
Di mana:K = nilai konstanta tiap aksesorisv = kecepatan (m/s)g = percepatan gravitasi (m/s2)
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Head Loss Statis
Keterangan:H discharge = tinggi keluar (m)H suction = tinggi isap (m)
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Head Loss Propotioner
Di mana:P = tekanan maksimum proportioner (bar)ρFoam = massa jenis foam concentrate (kg/m3)g = percepatan gravitasi (m/s2)
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Head Pressure
Di mana:P1 = Tekanan masuk (bar)P2 = Tekanan keluar (bar)ρFoam = massa jenis foam concentrate (kg/m3)g = percepatan gravitasi (m/s2)
𝑯 𝒕𝒆𝒌𝒂𝒏𝒂𝒏=𝑷𝟐−𝑷𝟏
𝝆 𝒇𝒐𝒂𝒎 .𝒈
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Head Pressure
Di mana:P = Daya pompa (Watt)Q = Debit air (m3/s)Htot = kehilangan tekanan total (m)ρair = massa jenis air (kg/m3)g = percepatan gravitasi (m/s2)
𝑷=𝑯 𝒕𝒐𝒕 .𝝆𝒂𝒊𝒓 .𝒈 .𝑸
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KESIMPULAN
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Media yang digunakan sebagai pemadam adalah jenis foam dengan konsentrasi 3%.
Total jumlah sprinkler adalah 1302 buah.
Penempatan sistem sprinkler disesuaikan dengan lokasi yang diproteksi.
Sistem perpipaan pada perancangan sistem sprinkler menggunakan foamwater deluge system.
Perhitungan foam yang dilakukan adalah per area maksimal yang diproteksi tiap Sub Department. Jumlah keseluruhan foam concentrate ditambah dengan safety
factor sebesar 10% maka jumlah keseluruhan adalah 8442,72 L.
Perhitungan air yang dilakukan untuk jumlah foam concentrate sebesar 8442,72 L maka 97% dari jumlah foam adalah sebesar 273 m3. Total air yang dibutuhkan
seluruh department adalah 730 m3. Hasil perhitungan Head pompa adalah sebesar 196,9516656 m sehingga dapat diketahui daya pompasebesar 525,5083523 Hp
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Saran
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Estimasi biaya dihitung agar mengetahui harga yang
sebenarnya dalam perancangan sistem pemadam otomatis.
Daya pompa diperhitungkan dengan pertimbangan spesifikasi pompa ditentukan dengan jelas sehingga mudah dalam tugas perancangan sistempemadam
otomatis.
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Terima kasih