Lampiran 1. SKETSA AREA SURVEI

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Lampiran 1. SKETSA AREA SURVEI

Area I Sekala 1 : 5.000 (sesuai RO) Area I Sekala 1 : 5.000 (tambahan) A. 05 º 16' 30" U – 97º 00' 00" T A. 05 º 16' 30" U – 97º 00' 00" T B. 05 º 16' 30" U – 97º 04' 18" T B’. 05 º 16' 30" U – 97º 04' 30" T C. 05 º 13' 48" U – 97º 04' 18" T C’. 05 º 13' 48" U – 97º 04' 30" T D. 05 º 13' 48" U – 97º 00' 00" T D. 05 º 13' 48" U – 97º 00' 00" T Area II Sekala 1 : 1000 E. 05 º 15' 12" U – 97º 01' 42" T F. 05 º 15' 12" U – 97º 02' 30" T G. 05 º 14' 11" U – 97º 02' 30" T H. 05 º 14' 11" U – 97º 01' 42" T A B B’ C C’ D E F G H Area I Sekala 1 : 5000 Area II Sekala 1 : 1000

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Lampiran 2. Spesifikasi C-Max Side Scan Sonar

Towfish Spesifikasi Parameter

Operating Depth 0-2500 meter

Acoustic frequencies 100 kHz – LF

325 kHz – HF (compatible with industry “500 kHz” specs) 780 kHz – EF

Range (port and starboard) 100 m, 150 m, 200 m, 300 m, 400 m, 500 m – LF; 25 m, 50 m, 75 m, 100 m, 150 m – HF;

12.5 m, 25 m - EF

Operating Speed 1 – 6 knots

Maximum towing speed 12 knots

Acoustic pulse rates 500/ (selected range-limit), e.g. 10 scans/second @ 50 m

Pulse power and length 217 dB re 1 micropascal @ 1 m;

range-dependent length, e.g 53 microseconds @50 m

Array length and beamwidths (2-way 3dB points)

0.41m -HF & LF; 0.3m –EF; 0.3º horiz., 40º vert. asymmetric – HF; 1.0º horiz., 50º vert. –LF; 0.2º horiz., 50º vert. –EF

Lateral resolution 39mm-EF, 78mm-HF, 156mm-LF

Beam depression (of maximum sensitivity axis)

10º or 20º, adjustable without tools

Bottom-tracking (altitude) measurement and

resolution

Automatic altimeter, from integral echo sounder; 78mm altitude resolution

Safety features Weak link, breaks to give tail-first towing

Sensor options Heading, pitch & roll; depth, 0-200m (other depth ranges available)

Construction Stainless steel; no aluminium

Towfish dimensions and weights

1.24m length; 17.9kg in air, 12.1kg in seawater –DF; 17.1kg in air, 11.3kg in seawater –EDF

Towfish temperature range -10 to +45ºC operating; -20 to +50ºC non-operating STR Specifications

USB1 interface Digital echo data plus control and status (contact C-MAX for protocol)

Analog interface (early

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Lampiran 2 Lanjutan. Spesifikasi C-Max Side Scan Sonar Dimensions (mm) and

weight

297W x 204D x 62H, 2.2kg

Power 10-18V DC, 3A max, <2A typical at 12V, optional 24V DC, 2A max, <1A typical (BNC version) 10-28V DC, (MIL-C-5015 version) 100-240V AC via external power adapter

Environment 0 to +45ºC; 10 to 80% RH; 5G, operating

-10 to +55ºC; 2 to 90% RH; 40G, non-operating, IP64

C-Shell Specifications

Interfaces Tow cable, USB, DC power

Dimensions (mm) and weight, including STR

406W x 330D x 174H, 6.4kg

Power, single voltage version (with BNC tow cable socket)

12V (10-18V) DC, 3A max, <2A typical @ 12V

optional 24V (20-28V) DC, 2A max, <1A typical @ 24V 100-240V AC via external power adapter

Power, wide range voltage version (with MIL-C-5015 tow cable socket)

12-24V (10-28V) DC, 3A max, <2A typical @ 12V; 2A max, <1A typical @ 24V

100-240V AC via external power adapter

Environment 0 to +45ºC; 10 to 80% RH; 5G, operating -10 to +55ºC; 2 to 90% RH; 40G, non-op, IP67

C-Case 2 Specifications

CPU 1GHz, 256MB RAM, 40GB HDD

Interfaces Tow cable, navigation, counting pulley, parallel printer, USB (for post-survei data export) AC & DC power (either may be used)

Dimensions (mm) and weight

620W x 495D x 225H, 13kg

Power 115/230V, 50-60Hz, 100W max, 80W typical 24V DC option, 4A max, 3A typical

-10 to +55ºC; 2 to 90% RH; 40G, non-op, IP64 operating, IP67 closed

C-Case SE Specifications

PC Ruggedized laptop (Panasonic Toughbook recommended)

External interfaces Tow cable, navigation, counting pulley, AC & DC power (either may be used)

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Lampiran 2 Lanjutan. Spesifikasi C-Max Side Scan Sonar Dimensions (mm) and

weight

620W x 495D x 225H, 13kg (without PC)

Power 115/230V, 50-60Hz, 150W max, 100W typical 24V DC option, 5A max, 4A typical

-10 to +55ºC; 2 to 90% RH; 40G, non-op, IP65 operating, IP67 closed

Tow Cable Specifications Tow cable, types

available

Coaxial or twisted pair; circuit resistance 200ohm max.

Tow cable diameter options

11.4, 8.2, 6.4 or 4.7mm, stainless steel armoured 8mm "soft", polyamide reinforced, PU sheathed

Custom cables also available; also suits some "legacy" cables

Tow cable terminator weak link (breakable washer)

75kgf nominal actuation tension, actuates to reverse-tow the towfish

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Lampiran 3. Bottom Sampling dan Jenis Substratnya

Area Berskala 1 : 1.000

NO. POSISI JENIS

LINTANG ( U ) BUJUR ( T ) 1. 5° 15’ 05,09” 97° 02’ 05,00” Lumpur 2. 5° 15’ 04,98” 97° 02’ 10,02” Lumpur 3. 5° 15’ 00,03” 97° 02’ 10,05” Lumpur 4. 5° 15’ 00,00” 97° 02’ 05,01” Lumpur 5. 5° 15’ 14,56” 97° 02’ 00,03” Lumpur 6. 5° 14’ 55,01” 97° 02’ 09,97” Lumpur 7. 5° 14’ 50,04” 97° 01’ 59,96” Lumpur 8. 5° 14’ 50,06” 97° 02’ 05,02” Lumpur 9. 5° 14’ 50,05” 97° 01’ 49,98” Lumpur 10. 5° 14’ 45,02” 97° 01’ 45,01” Lumpur 11. 5° 14’ 39,97” 97° 01’ 49,96” Lumpur 12. 5° 14’ 45,03” 97° 01’ 49,97” Lumpur 13. 5° 14’ 40,02” 97° 01’ 45,02” Lumpur pasir 14. 5° 14’ 39,98” 97° 01’ 49,98” Lumpur pasir 15. 5° 14’ 45,02” 97° 01’ 55,01” Lumpur pasir 16. 5° 14’ 39,97” 97° 01’ 54,97” Lumpur pasir 17. 5° 14’ 25,02” 97° 02’ 20,02” Lumpur pasir 18. 5° 14’ 25,03” 97° 02’ 14,98” Lumpur pasir 19. 5° 14’ 25,01” 97° 02’ 09,98” Lumpur pasir 20. 5° 14’ 25,02” 97° 02’ 05,02” Lumpur pasir 21. 5° 14’ 25,06” 97° 02’ 00,00” Lumpur pasir 22. 5° 14’ 19,93” 97° 02’ 10,04” Lumpur pasir 23. 5° 14’ 20,06” 97° 02’ 14,97” Lumpur Pasir 24. 5° 14’ 20,03” 97° 02’ 20,02” Lumpur Pasir 25. 5° 14’ 19,97” 97° 02’ 25,01” Lumpur Pasir 26. 5° 14’ 41,07” 97° 02’ 00,02” Lumpur pasir 27. 5° 14’ 41,06” 97° 02’ 05,01” Lumpur pasir 28. 5° 14’ 41,07” 97° 02’ 09,97” Lumpur pasir 29. 5° 14’ 39,97” 97° 02’ 00,02” Lumpur pasir 30. 5° 14’ 40,04” 97° 02’ 05,03” Lumpur 31. 5° 14’ 40,08” 97° 02’ 14,98” Lumpur 32. 5° 14’ 40,04” 97° 02’ 19,98” Lumpur 33. 5° 14’ 35,08” 97° 02’ 19,94” Lumpur 34. 5° 14’ 35,04” 97° 02’ 14,93” Lumpur 35. 5° 14’ 35,00” 97° 02’ 09,97” Lumpur pasir 36. 5° 14’ 35,03” 97° 02’ 00,01” Lumpur pasir 37. 5° 14’ 31,04” 97° 02’ 00,02” Lumpur 38. 5° 14’ 30,02” 97° 02’ 01,05” Lumpur 39. 5° 14’ 30,04” 97° 02’ 09,90” Lumpur 40. 5° 14’ 30,03” 97° 02’ 15,03” Lumpur 41. 5° 14’ 25,02” 97° 02’ 20,02” Lumpur

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Lampiran 3 Lanjutan. Bottom Sampling dan Jenis Substratnya

AREA SEKALA 1 : 5.000

NO. POSISI JENIS

LINTANG ( U ) BUJUR ( T ) 1. 5° 14’ 41,66” 97° 03’ 16,34” Lumpur Pasir 2. 5° 14’ 57,81” 97° 03’ 11,19” Lumpur Pasir 3. 5° 15’ 03,50” 97° 02’ 53,79” Lumpur Pasir 4. 5° 14’ 46,63” 97° 02’ 57,88” Lumpur Pasir 5. 5° 15’ 10,95” 97° 03’ 08,17” Lumpur Pasir 6. 5° 15’ 08,11” 97° 02’ 39,41” Lumpur Pasir 7. 5° 15’ 31,01” 97° 03’ 10,66” Lumpur 8. 5° 15’ 35,45” 97° 02’ 49,18” Lumpur 9. 5° 15’ 10,42” 97° 02’ 22,90” Lumpur Pasir 10. 5° 15’ 37,05” 97° 02’ 27,87” Lumpur 11. 5° 15’ 22,67” 97° 02’ 30,71” Lumpur 12. 5° 15’ 29,24” 97° 01’ 41,71” Lumpur 13. 5° 15’ 37,49” 97° 01’ 23,60” Lumpur 14. 5° 15’ 28,35” 97° 02’ 06,57” Lumpur 15. 5° 15’ 20,54” 97° 02’ 48,64” Lumpur 16. 5° 15’ 25,69” 97° 01’ 21,65 Lumpur Pasir 17. 5° 15’ 37,58” 97° 01’ 49,88” Lumpur 18. 5° 15’ 17,34” 97° 01’ 47,75” Lumpur pasir 19. 5° 15’ 12,55” 97° 02’ 05,50” Lumpur

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Lampiran 4. Contoh Perhitungan Akustik Impedansi dan

Backscattering Strength (SS)

Diketahui:

ρair

= 1 g/cm

3

= 1000 kg/m

3

ρlumpur

= 1.42 g/cm

3

= 1420 kg/m

3

ρlumpur berpasir

= 1.83 g/cm

3

= 1830 kg/m

3

ρpipa

= 8.03 g/cm

3

= 8030 kg/m

3

cair

= 1500 m/s

clumpur

= 1519 m/s

c

lumpur berpasir

= 1677 m/s

cpipa

= 2580 m/s

ditanya: Impedansi Akustik Z , Koefisien Refleksi R dan

Backscattering Strength (SS)

Dijawab:

Impedansi Akustik Air:

Impedansi Akustik Pipa:

Koefisien refleksi Pipa

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Lampiran 4 lanjutan. Contoh Perhitungan Akustik Impedansi

dan Backscattering Strength (SS)

Backscattering Strength (SS) Lumpur

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Lampiran 5. Contoh Perhitungan Dimensi Target Yang

Terdeteksi

Kolam 1

Posisi :5º14.6600N, 97º02.3334E dan 5º14.6640N, 97º02.3198E Diketahui:

Jarak antar fix dilapangan 25 m Jarak antar fix dikertas 1.5 cm Tinggi towfish 7.4 m

Slant range 10.3 m

Panjang objek dikertas 0.5 cm Lebar objek dikertas 0.4 cm

Ditanya: (a) Jarak mendatar objek terhadap dasar laut dibawah towfish, (b) panjang objek dilapangan, dan (c) lebar objek dilapangan.

Dijawab:

(a) Jarak mendatar objek terhadap dasar laut di bawah towfish

(b) Panjang objek di Lapangan

(c) Lebar objek di Lapangan

Kolam 8

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Lampiran 5 lanjutan. Contoh Perhitungan Dimensi Target Yang

Terdeteksi

Diketahui:

Jarak antar fix dilapangan 25 m Jarak antar fix dikertas 1.5 cm Tinggi towfish 8.4 m

Slant range 13.4 m

Slant range bayangan 38.1 m Panjang bayangan 5.6 m Panjang objek dikertas 3.25 cm Lebar objek dikertas 0.5 cm

Ditanya: (a) Jarak mendatar objek terhadap dasar laut dibawah towfish, (b) panjang objek dilapangan, (c) lebar objek dilapangan, dan (d) tinggi objek Dijawab:

(a) Jarak mendatar objek terhadap dasar laut di bawah towfish

(b) Panjang objek di Lapangan

(c) Lebar objek di Lapangan

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Lampiran 6. Hasil Analisis Fast Fourier Transform

Gambar 1. Fast Fourier Transform dengan Frekuensi 0 – 100 Hz pada Alur 2

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

Gambar 21. Fast Fourier Transform dengan Frekuensi 0–100 Hz pada Kolam 1

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

Gambar 61. Fast Fourier Transform dengan Frekuensi 0–100 Hz pada Lajur 174

Gambar 62. Fast Fourier Transform dengan Frekuensi 100–200 Hz pada Lajur 174

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

Gambar 71. Fast Fourier Transform dengan Frekuensi 0–100 Hz pada Lajur 177

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Lampiran 6 Lanjutan. Hasil Analisis Fast Fourier Transform

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