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Vessel Name:-Bhagya Express Fire / Bilge Pump Calculation: 212 Pax High Speed Craft

This document summarizes the bilge and fire pump calculations for a 212 passenger high speed craft called the BHAGYA EXPRESS according to the HSC 2000 rules. It calculates the required diameters of the main and branch bilge suctions as well as the required bilge pump capacity and number of pumps. It also calculates the required fire pump capacity and number according to the HSC 2000 rules. It determines that 2 bilge pumps with a capacity of 25 cubic meters per hour and 2 fire pumps with a capacity of 25 cubic meters per hour have been provided, meeting the requirements.

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Rahul Jagdale
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167 views1 page

Vessel Name:-Bhagya Express Fire / Bilge Pump Calculation: 212 Pax High Speed Craft

This document summarizes the bilge and fire pump calculations for a 212 passenger high speed craft called the BHAGYA EXPRESS according to the HSC 2000 rules. It calculates the required diameters of the main and branch bilge suctions as well as the required bilge pump capacity and number of pumps. It also calculates the required fire pump capacity and number according to the HSC 2000 rules. It determines that 2 bilge pumps with a capacity of 25 cubic meters per hour and 2 fire pumps with a capacity of 25 cubic meters per hour have been provided, meeting the requirements.

Uploaded by

Rahul Jagdale
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
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VESSEL NAME :- BHAGYA EXPRESS

FIRE / BILGE PUMP CALCULATION: 212 PAX HIGH SPEED CRAFT

Rule Applicable :- HSC 2000

10.3.6 Diameter of bilge main


dm = 1.68 √{L (B + D)} + 25 [mm]
B = moulded breadth of the craft [m] – for monohull = 4.725
D = moulded depth to the watertight deck [m]= 2.3
L = length of craft [m] as defined in Chapter 1. 39
C= Length of compartment
Required dm = 52.81 mm
Provided dm = 100 mm

10.3.7 Branch bilge sunction


db = 2.15 √{C (B + D)} + 25 [mm]

db is should not be less than 25 mm (As per HSC 2000 PARA 10.3.7)

length of branch bilge


compartme suction pipe provide
compartment nt(C) required =db d db=
Steering Gear 1.8 32.645 50
Genset Room 2.75 34.450 50
Engine room 4.6 37.222 50
Void 11 3.7 35.961 40
Void 10 3.75 36.035 40
Void 9 2.76 34.467 40
Fresh Water Tank 1.38 31.694 40
Void 7 4.15 36.609 40

Luggage Space 4.15 36.609 40


Void 6 4.15 36.609 40
Void 5 2.76 34.467 40
Void 4 1.65 32.320 40
Void 3 1.115 31.017 40
Void 2 0.7 29.768 40
Void 1 4.6 37.222 40
10.3.12 Capacity of Bilge pumps
Q = (5.75/10^3 ) x dm2 [m3/hour]
= 16.03 [m3/hour]
from HSC 2000

Number of pumps required = 2 nos ( AS PER HSC 2000 . RULE 10.9)


Number of pumps required = 3 nos
Capacity of each pump provided= 25 [m3/hour]

HSC 2000 Rule 7.7.5.1 Capacity of fire Pump


=

d = 1+0.066(L(B+D))0.5

Required fire pump capacity 25 m3/hr


Required no of fire pump 2 nos
Provided fire pump capacity 25 m3/hr
Provided no of fire pump 2 nos

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