SUMMER INTERNSHIP TRAINING REPORT

ON
KAKINADA SEAPORTS LIMITED

A training report submitted to the DEPARTMENT OF

MECHANICAL ENGINEERING,
JAWAHARLAL NEHRU TECHNOLOGICAL
UNIVERSITY COLLEGE OF ENGINEERING,
Kakinada. (JNTUK)
Internship performed by,
M M RAYHAN KHADARI (22021A0339)
II B-TECH 2ND SEMESTER
MECHANICAL ENGINEERING
 ABSTRACT

This report outlines my 30-day industrial training at Kakinada Seaports Limited,

Kakinada, under the supervision of Dy. General Manager (Projects), from May 2
2024, to June 1 2024, as part of my II B.Tech, 2nd semester in Mechanical
Engineering at Jawaharlal Nehru Technological University College of
Engineering Kakinada (JNTUK).

The purpose of the work was to develop a deeper understanding of the port as
well as gain practical knowledge of the mechanical systems in use and the
safety procedures in place.

This was an informative experience that gave me firsthand knowledge of port

operations and increased my appreciation of them. I acquired skills for the
maintenance of heavy and complex machinery such as the troubleshooting of
machines and the administrative strategies in the management of wastewater.

My work contributed to the increased reliability of the equipment, cargo

facilities and the improvement of cargo handling operations. This training has
significantly contributed to my professional growth and prepared me for a
future career in mechanical engineering.
 INDEX

• FIRE SAFETY

• MOBILE CRANE

• FORKLIFTS

• OFFSHORE CRANE

• SEAWAGE TREATMENT PLANT

• EFFLUENT TREATMENT PLANT

• AIR COMPRESSOR

• MAX SWEEP

• TUGS
 Fire safety

Fire is a chemical reaction known as combustion. It involves three main components

in a process often referred to as the fire triangle:
Fuel: A material that can combust, such as wood, gasoline, or natural gas.

Oxygen: An oxidizing agent, commonly the oxygen in the air.

Heat: A source of sufficient energy to initiate the combustion process.

Classification Of Fire:

Fires are classified based on the type of fuel involved. The classification helps in
choosing the appropriate firefighting method and equipment. The main fire
classifications are:

1. Class A: Fires involving ordinary combustibles such as wood, paper, cloth,

trash, and plastics.
o Extinguishing Methods: Water, foam, and dry chemical extinguishers.
2. Class B: Fires involving flammable liquids and gases, such as gasoline, oil,
paint, and propane.
 o Extinguishing Methods: Foam, carbon dioxide (CO2), and dry chemical
extinguishers.
3. Class C: Fires involving energized electrical equipment, such as appliances,
wiring, circuit breakers, and outlets.
o Extinguishing Methods: Non-conductive agents like CO2 and dry
chemical extinguishers.
4. Class D: Fires involving combustible metals, such as magnesium, titanium,
potassium, and sodium.
o Extinguishing Methods: Special dry powder agents designed for
specific metal fires.
5. Class E: Fires involving cooking oils and fats, typically found in commercial
kitchens.
o Extinguishing Methods: Wet chemical extinguishers specifically
designed to handle high-temperature grease fires.

Fire hydrant System:

A fire hydrant is a very useful device for firefighting and extinguishing the fire
immediately. It is a connection that is connected to a water supply source and is a
critical component of fire protection, designed to provide a reliable and immediate
source of water to fight fires.
Types of hydrants: Each 900LPM
Single-Outlet Hydrants
Description: These hydrants have only one outlet for connecting a hose.
Usage: Typically used in areas with lower water demand or where space and
resources are limited.

Operation: Simple to use, suitable for smaller firefighting operations.

Multiple-Outlet Hydrants
Description: These hydrants have multiple outlets, usually two or more, for
connecting multiple hoses simultaneously.

Usage: Commonly found in urban areas or locations with higher fire risks
where a greater volume of water may be required.

Operation: Allows firefighters to draw more water at once, increasing the

efficiency of firefighting efforts.
Hoses:
These are lengthy pipes that carry water to put out a fire by carrying it from the
water source to the fire scene. based on their purpose, they are separated
into delivery hoses and suction hoses.

• Suction Hose
• Delivery Hose
• Hose Reel Hose Fire Hoses

1. Suction Hose
What it does: Pulls water from places like lakes or rivers.
Looks like: A stiff, thick hose.

How it's used: Connected to a pump to bring water to the fire truck.

2. Delivery Hose
What it does: Carries water from the fire truck to the fire.

Looks like: A flexible hose, like a garden hose but bigger.

How it's used: Firefighters attach it to nozzles to spray water on the fire.

3. Hose Reel Hose

What it does: Quickly puts out small fires.
Looks like: A smaller hose that winds up on a reel.
How it's used: Found on fire trucks and in buildings, easy to pull out and use
right away.

Tower monitors:

Tower monitors in (North berth)

Flow rate --- 3000lit/min

It horizontal rotating 360degrees Tower monitors (NRW 1&2):

Tower monitors ---2NOS

Discharge capacity --- 2000gpm (gallons per minute)

Discharge range horizontal -- 30-35 degrees
Engine details:
Company: - Cummins Kirloskar
• Model: - NT 743

• Power: - 230HP (horsepower)

• Speed: - 1500 rpm (revolution per minutes)

• No of cylinder: - 6
• Type: - 4 stroke

• Structure: - Inline

Pump details:
• Company: -WIPL(WORTHINGTONPUMPINDIALIMITED)
• Speed: - 1500 RPM (revolution per minutes)

• Input power: - 230 HP (horsepower)

• Capacity: - 410 m³/hour

• Company :- ABB
( Jockey pump motor details:

SIA BROWN BOVERI)

• Capacity :- 50 HP(horse power)

• Speed:- 2950 rpm

• Voltage:- 415 volt

• Current :- 64 amp

• Efficiency :- 92.5%

Jockey pump details:

• Discharge :- 50m³/hour
• Speed :- 2950 rpm(revolution per minutes)

• Direction of rotation :- anti clockwise

Foam pump motor details:
• Company :- Bharat bijlee
• Capacity :- 50HP(horse power)

• Speed :- 11KW(kilowatt)
• Voltage :- 415 volt

• Current :- 25amp
• Efficiency :- 89.8%

Foam pump details:

• Company :- Dover India pvt.ltd

• Discharge :- 333liter/min
• Speed :- 599 rpm(revolution per minutes)

• Power :- 15HP(horse power)

• Foam tank capacity :- 10000liters
Electric pump details:
• Company :- ABB(ASIA BROWN BOVERI)

• Capacity :- 220HP(horse power)

• Speed :- 1480 rpm

• Voltage :- 415 volt

Ground monitor & foam monitor:

• Company :- VIMAL FIRE CONTROLS PVT.LTD
• Model :- SH00TFIRE-750

• Capacity :- 750 GPM(gallon per minute)

• Max pressure :- 14Kg/cm²
• Inlet pressure :- 7kg/cm²
• Size :- 4inch

Fire Tender : M.P.T

Fire tenders are the most common fire fighting

equipment list. It has,

• CO2 fire extinguisher

• Foam type fire extinguisher.

• Dry powder fire extinguisher.

• Fire Suit • Centrifugal pump

• Hydrant system
• Fire hoses

• Fire alarm system

• Fire buckets

• Gloves
• Extension ladders

• Fire rescue equipment

• First aid kit

• Vehicle mounted monitor

• Portable pump

• Suction hose
• Delivery hose

• Hose reel hose

• Emergency top light

• Mouth with microphone

• S.C.B.A (Self – Contained Breathing Apparatus)
• Different types of nozzles
TYPES OF NOZZLES:

1.Branch pipe:

Branch pipes and nozzles are used for a range of wash down and jet spray
applications and can be connected to standard hose or lay flat fire hose using
instantaneous fire hose couplings.
What it does: Directs the water flow from the main hose to the fire.

Looks like: A small pipe attached to the end of the fire hose with adjustable
controls.

How it's used: Firefighters use it to control and direct the water stream to
target specific areas of the fire
2.Dividing control branch

A dividing control branch is a type of fire equipment used to split the flow of
water from one hose into multiple streams.

What it does: Allows a single hose to supply water to several hoses or outlets.
Looks like: A pipe with multiple outlets, each with a valve.
How it's used: Firefighters can use it to distribute water to different parts of a
fire scene, improving efficiency and coverage.
3.Inline Inductor

An inline inductor is a component used in fire hose systems to control and

regulate water pressure.
What it does: Reduces water pressure in the hose to prevent damage and
ensure effective operation.
Looks like: A cylindrical device that is inserted into the hose line.

How it's used: Installed between the water source and the hose to stabilize
and reduce pressure, protecting the hose and equipment.
4.Revolving nozzle

A revolving nozzle is a type of fire nozzle that spins to create a wide, fan-
shaped water spray.
What it does: Provides a rotating, adjustable water stream to cover a larger
area.
Looks like: A nozzle with a rotating head that disperses water in a wide,
circular pattern.
How it's used: Firefighters use it to efficiently cover more areas and extinguish
fires by adjusting the spray pattern and rotation.
5.Universal branch

A universal branch is a type of fire nozzle that allows the user to control the
direction and shape of the water stream.
What it does: Provides a single adjustable stream of water.
Looks like: A nozzle with a control handle and a nozzle head that can be
adjusted to change the spray pattern
How it's used: Firefighters use it to direct and adjust the water flow for
targeted firefighting, usually featuring a simple mechanism for easy control.
6.Fog branch

A fog branch is a type of fire nozzle designed to produce a fine mist or fog-like
spray of water.
What it does: Creates a wide, dispersed water pattern to cover a large area.

Looks like: A nozzle with a mechanism to adjust the spray into a fine mist.
How it's used: Firefighters use it to cool hot surfaces, reduce smoke, and
cover a broader area, making it effective for certain types of fires, especially in
confined spaces or for cooling and suppression.
7. Hand control branch

A hand-controlled branch is a type of fire nozzle that allows the firefighter to

manually adjust the water flow and spray pattern directly from the nozzle.
What it does: Provides control over the water stream and spray pattern using
a handle or lever.

Looks like: A nozzle with a handle or lever for adjusting the flow and spray
pattern.

How it's used: Firefighters can adjust the nozzle’s settings to switch between
different spray patterns (like narrow stream or wide fog) and control the water
flow directly while operating the hose.
 MOBILE CRANE

Main parts of a crane:

• Hook
• Wire rope and sheaves
• Counterweight

• Boom
• Outriggers

• Wheel and tracks

• Hoist

• Jib
Mobile cranes are versatile and portable lifting machines equipped with a
telescopic or lattice boom, allowing them to lift and move heavy loads at
various heights and distances. Mounted on a wheeled or tracked vehicle,
mobile cranes can easily be transported between job sites. They are widely
used in construction, manufacturing, and infrastructure projects for tasks like
lifting steel beams, machinery, and other heavy materials. Their mobility and
flexibility make them essential for projects requiring high lifting capacities and
adaptability to different environments.

DETAILS OF MOBILE CRANE ENGINE:

• CRANE CAPACITY: 20 TONS
• COMPANY : ASHOK LEYLAND

• NO OF CYLINDERS : 6
• SPEED : 1500RPM ( REVOLUTION PER MINUTE)

• ENGINE OIL GRADE : 20W40

• ENGINE OIL CAPACITY : 12 LITERS
• TRNSMISSION OIL GRADE : SA30

• COOLENT : WATER
• MIN BOOM LENGTH : 8 METERS

• MAX BOOM LENGTH : 22 METERS

• BREAKING SYSTEM : PNEUMATIC

• COMPRESSOR CAPACITY : 10 KGS

• AIR PRESSURE : 6 TO 7 BAR

• HYDRALIC PUMPS : 3 NOS

• DIESEL TANK CAPACITY : 283 LITERS

• HYDRALIC OIL TANK CAPACITY : 273 LITERS

Forklifts:
Forklifts are industrial vehicles designed to lift, carry, and move heavy
materials and goods over short distances. They feature two forks at the front
that can be raised or lowered to handle pallets, crates, and other loads.
Forklifts come in various types, including electric, diesel, and LPG-powered
models, each suited to different environments and load capacities. They are
widely used in warehouses, factories, and distribution centers to streamline
material handling, improve efficiency, and reduce manual labor. Their
maneuverability and ability to handle heavy loads make them crucial for
efficient logistics and storage operations.
Forklifts have 2 basic hydraulic control levers :
1. Lift knob to control the fork’s height.
2. Tilt knob to control the mast’s tilts.

Lift Knob: Controls the vertical movement of the forks, allowing them to
raise or lower to handle and position loads at different heights.

Tilt Knob: Manages the tilt angle of the mast, which can tilt the forks forward
or backward to stabilize and align the load for easier insertion and removal of
pallets.

These controls are crucial for the effective operation of a forklift, helping to
maneuver and position materials safely and efficiently.

DETAILS OF 5 TON FORKLIFT:

• Capacity : 5 tons
• Model : GX 500D

• Brand : GODREJ
• Breaks : AIR & Oil breaks

• Max. Fork height : 5.5 Metres

• Load lifting : Hydraulic system

Engine Details:
• Company: ASHOK LEYLAND

• Model : BS 4 • No of Cylinders : 4 NO
• Type : 4 STROKE

• Structure : inline
• Engine oil grade : 10W40
• Speed : 3000 rpm (revolution per min)

• Tnsmission oil : SA30

• Battery capacity : 12 volts
• No of batterys : 1
• Diesel tank capacity : 60 liters

• Hydraulic tank capacity : 50 liters

DETAILS OF 3 TON FORK LIFT

• Capacity : 3 tons

• Model : GX 300D
• Brand : GODREJ
• Breaks : drum breaks

• Load lifting : Hydraulic system

Engine details:
• Company : sunshine
• No of Cylinders : 4 NO

• Type : 4 STROKE
• Structure : inline

• Engine oil grade : 10W40

• Speed : 1500 rpm (revolution per min)

• Transmission oil : SA30

• Transmission oil capacity : 10 liters

• Battery capacity : 12 volts

• No of batterys : 1 21

• Diesel tank capacity : 40 liters

• Hydraulic tank capacity : 40 liters

OFFSHORE CRANE :
Their maximum capacity is 40 tons. These cranes are mostly used to unload
and load cargo from ships that do not have cranes on board. Each stud is
fitted with the same pressure. It is powered by a single electric motor, which
drives five hydraulic pumps that lift the load, swivel the upper part, rotate the
rope winch, and serve other purposes.

• Min boom length : 3.5 meters

• Max boom length : 29.5 meters

• Capacity : 40 tons
• No studs : 66 nos
• No of pumps : 5 nos
• Tightening pressure : 1450 bar

Fenders:
Fenders are used on all types of vessels to prevent damage by absorbing the
kinetic energy of a boat or vessel berthing against a jetty or another vessel. To
accomplish this, fenders have high energy absorption and low reaction force.
There are two types,

1.Pneumatic rubber fenders

2. Static fenders

Pneumatic rubber fender: -

A pneumatic rubber fender is a crucial marine safety device designed to
cushion the impact between ships and docking structures or between vessels
during berthing. It consists of a large, cylindrical or toroidal rubber shell filled
with air, which acts as a shock absorber. When a ship docks or comes into
contact with the fender, the air-filled rubber compresses, absorbing and
dissipating the impact energy. This helps to prevent damage to both the ship
and the dock, making the docking process safer and more efficient. The
fender's air pressure can be adjusted to accommodate different types and
sizes of vessels, and its durable rubber construction ensures it can withstand
harsh marine environments and frequent use.
Pneumatic fenders have the advantage of massive energy absorption with low
unit surface pressure acted upon the ship. So pneumatic fender has become
an ideal ship protection medium used extensively by LPG vessels, ocean
platforms, bulk carriers, harbors.

Static fenders :-
Static fenders are marine protection devices used to absorb and mitigate the
impact forces between vessels and docking structures or between ships.
Unlike pneumatic fenders, static fenders do not rely on air pressure for
cushioning but are made from solid materials such as rubber, foam, or other
resilient substances. They are typically installed along docks, piers, or ship
hulls to provide a durable and consistent barrier that absorbs impact energy
and reduces damage during berthing. Their rigid construction and fixed
positioning make them suitable for areas with regular, predictable contact,
offering a long-lasting solution for protecting both ships and dock
infrastructure from impact-related damage.
D SHACKLE

"D-shackles" are hardware components commonly used in various

applications, including firefighting and lifting operations.

What it is: A type of metal fastener with a "D" shape, typically made of steel.

Looks like: An open ring with a pin or bolt that can be secured to close the
loop, forming a D shape.

How it’s used: D-shackles are used to connect and secure various
components, such as ropes, chains, or hooks. In firefighting, they might be
used to attach equipment or secure hoses and other gear. Their strong
construction ensures reliable connections and can withstand significant
loads.
WLL = working load limit
45 ° = angle indicator

CROSBY= brand logo

1 = size in inches

P5F = product id code

Q = quick check

Calculating slings safety working load:

Slings SWL in inches = diameter²×8 = D²×8

Slings SWL in mm = diameter²×12.8 = D²×12.8

Q) we halve diameter of slings 50 mm then what will be the safety work
load (SWL) capacity of the slings?
A) Diameter (D) = 50mm

1 inch = 25mm then 50mm = 2 inch

Diameter (d) in inches = 2 inch SWL = d²×8 = (2)²x8 = 4 x8 = 32 tons

Diameter (D) =50 mm

SWL = D²×12.8 =50²×12.8 =2500×12.8 =32000kg
Q) If we have 1 inch sling Rope diameter then Calculate the sate working
load(SWL).

A) diameter d= 1 inch SWL = d²x8 =12x8 = 5tons

Sewage water:
It is the wastewater that comes from toilets, sinks, and industrial processes,
containing organic matter, chemicals, and pollutants. It requires treatment to
remove contaminants before being safely released or reused.

Sewage Treatment Plant:

A sewage water treatment plant cleans wastewater by removing

contaminants through several treatment stages. The treated water is then
safely released or reused, minimizing environmental impact.

Plant layout:
Collection Tank: Gathers and temporarily stores raw sewage from various
sources, allowing for initial settling of large debris.

Screening: Removes large solids and debris from the sewage before it
enters further treatment stages.

Grit Removal: Settles out sand, gravel, and other gritty materials to prevent
damage to equipment.
Primary Clarifier Tank: Separates solids from liquids through
sedimentation, allowing primary sludge to settle at the bottom.

Aeration Tank: Provides aeration to promote the growth of microorganisms

that break down organic matter in the sewage.

Secondary Clarifier Tank: Separates the activated sludge

(microorganisms) from the treated water after the aeration process.

Laminar Tank: Ensures even flow and further separation of solids and
liquids, improving the quality of treated water.

Intermediate Tank: Stores partially treated water between stages,

allowing for further treatment or adjustment.

Sand Filter: Removes remaining suspended solids and fine particles from
the water using a bed of sand.

Carbon Filter: Provides additional treatment by adsorbing residual organic

compounds and odors from the water.

Storage Tank: Stores the final treated water before it is discharged into
natural bodies of water or repurposed for reuse.
This process ensures that sewage is thoroughly treated, meeting
environmental standards before discharge or reuse.

Effluent Treatment Plant :

An effluent treatment plant (ETP) is a facility designed to treat wastewater or
effluent generated from industrial processes, ensuring it meets
environmental regulations before disposal or reuse.
What it does: Processes and cleans industrial wastewater to remove
contaminants, pollutants, and harmful substances.

Components: Includes primary, secondary, and sometimes tertiary

treatment stages, such as screening, sedimentation, biological treatment,
filtration, and chemical treatment.

Purpose: Reduces the environmental impact of wastewater by ensuring that

the treated effluent is safe for discharge into water bodies or for reuse in
industrial applications.

The ETP helps in minimizing pollution, protecting water resources, and

complying with environmental standards.

The process in an effluent treatment plant (ETP) typically

includes:
Pre-Treatment: Screens and filters to remove large solids and debris.
Primary Treatment: Sedimentation tanks to settle out heavier solids and
generate primary sludge.
Secondary Treatment: Biological treatment, such as activated sludge or
trickling filters, to break down organic matter.

Tertiary Treatment: Advanced processes like filtration, chemical

treatment, or UV disinfection for further purification.

Sludge Management: Treating and dewatering sludge produced during

the process for safe disposal or reuse.

Discharge/Reuse: Treated effluent is released into the environment or

repurposed for industrial uses, meeting regulatory standards.

Air compressor:
INTRODUCTION
An air compressor is a mechanical device that increases the pressure of air by
reducing its volume. It is commonly used in various applications such as
powering pneumatic tools, inflating tires, and in industrial processes requiring
compressed air. Air compressors are essential in industries, construction,
and automotive services for their ability to efficiently provide high-pressure
air.

Working Principle
Intake: Ambient air is drawn into the compressor through an intake valve.
Compression: The air is compressed in a chamber or cylinder, where its
volume is reduced, increasing its pressure. This is typically achieved through
a piston moving within a cylinder or through rotary elements in screw
compressors.
Discharge: The high-pressure air is then expelled from the compression
chamber through a discharge valve.

Cooling: The compressed air, which is often heated, may pass through a
cooling system to reduce its temperature before being stored or used.

MAX SWEEP:
Sweepers are used to remove dust and dirt from floors, including short-haired
carpets, and collect them in a special container without lifting dust when it
passes over: from the very coarse material, such as metal residues, stones,
wood, bricks, and leaves, to the finest powders from the ceramic or cement
industries. Cleans floors and rooms by dust mopping, damp mopping,
sweeping, vacuuming, dusting, removing larger objects from the floor, and
spot cleaning glass and windows. Sanitize fixtures, clean mirrors, spot clean
partition doors and walls, sweep and mop tile floors, and clean toilets and
urinals.
Max Sweep (001) (turbo):
1. Vehicle Engine TATA
2. Make : TATA Engie

3. Type : 6 cylinders Engine

4. Battery : 12 volts

5. Dynamo : 12 volts
6. Self Motor : 12 volts

7. Auxiliary Engine Dust Tank

• Model : KIRLOSKAR Engine

• Engine : 4 cylinder
• Battery : 12 volts

• Dynamo : 12 volts
• Self motor : 12 volts

• Blower : 1
8. Auxiliary Air filter : 1

9. Side roter Brushes : 2 no

10. horizontal roter Brushes : 1 no
11.Dust tank capacity : 1 ton
12.Dust tanks Filters : 20 no's
13.Bowler shaft Bearing : 2 no's

14.Blower fan : 1 no
15.Radiator : 1 no

16.Hydraulic Oil cooler : servo 68

17.BHP(break horse power) : 56/76 PS
18.RPM(revolution per min) : 2200
19.Suction Pressure : 7 to 13 bar

Max Sweep :- 002

1) Engine company :Ashok Leyland
2) Engine type :4 cylinder Engine

3) Battery :12 volts

4) Dynamo :12volts

5) Self Motor :12 volts

Auxiliary Engine :
• Made : Ashok Leyland
• Type : 4stroke
• Model : BS111

• Battey : 24 volts
• Dynamo : 24 volts

• Self Motor : 24 volts

• Hydraulic Oil tank : servo 68

Auxiliary Engine : Air filter 1 no's

• Blower shaft Bearing : 2 nos

• Blower fan : 1
• Side Roter Brush : 2 no's
• horizontal Roter brush : 1 no

• Dust tank capacity : 1 ton

• Dust Filters : 30 no's

• Radiator : 1
• Brake horse power : 88 ps

• Auxiliary engine HP : 101 PS

• Rpm(revolution per min): 2200

COMPRESSOR :

A compressor is a device that increases the pressure of a gas by mechanically

decreasing its volume. Air is the most commonly compressed gas, but natural
gas, oxygen, nitrogen, and other industrially significant gases are also
compressed.
CPS 400 Compressor (Turbo engine):
1. Engine model: ALUW04CT
2. Type : CPS 400
3. Horse power : 116ps

4. RPM: 2600
5. Eng port : A8728100

6. Battery - 12 volts
7. Compressor side oil : servo 68

8. Engine oil grade : 15w40

9. Out put pressure : 4 bra

XA140 Compressor (Non-turbo Engine)

This compressor takes in air and creates a vacuum to reduce its volume. The
vacuum forces air out of the chamber and into a storage tank. When the
storage tank reaches its maximum air pressure, the compressor shuts off.
This process is known as the duty cycle.

1) Engine model : ALUW04D

2) Type : ΧΑ140 HD
3) BHP (break horse power) : 88 PS

4) RPM(revolution per min) : 2800

5) Compressor side oil : servo 68

6) Battery :12 volts

7) Engine oil grade : 15W40

MOBILE SILOS :
Mobile silos are portable storage units used for holding bulk materials like
cement, grains, or aggregates. Designed with mobility in mind, these silos can
be easily transported to different locations, making them ideal for
construction sites and industrial applications where materials need to be
stored and accessed on-site. They are equipped with features like wheels or
trailers for easy movement, and often include mechanisms for discharging
materials as needed. Mobile silos offer flexibility and efficiency, enabling
quick set-up and relocation while ensuring a steady supply of bulk materials.
MOBILE SILOS No – 6:
Company : TATA Engines
Engine Type : Turbo Engine
Yellow colour : Vent live

Green Colour : Filling line (Air in)

Blue colour : Discharge line

Red colour : Air Line (Air goes out)

Capacity : 20 tones

Pressure : 35 to 40 psi

TUG’S
Tugs are powerful, maneuverable boats used to tow or push large vessels
such as ships or barges. They assist in navigating tight spaces, docking, and
undocking, ensuring safe and precise movement of maritime traffic.
Tugboats are a type of Support Vessel that helps maneuver large Cargo
carriers and other vessels by pushing, pulling, or towing them.
Tugboats are frequently used to guide vessels through various stages when
entering a port, berthing (parking next to a jetty), unberthing, or leaving a port.
This is critical for ports with heavy traffic, narrow channel routes, or vessels
transporting high-risk cargo. These are also used to transport ships that are
not suitable for self-propulsion, such as dumb barges, oil rigs, and, most
importantly, grounded vessels, which are a nightmare for the marine industry.
Technical specifications :
ENGINE MODEL : CATERPILLAR 3516
GENERATOR :75 KVA KIRLOSKAR
PROPULION SYSTEM : VOITH
MAIN PROPULSION : 2 X 1200 BHP AT 1200 RPM (895.2 KW)

TURBOCHARGER : CATERPILLAR
GRT(gross register ton) : 265 T

NRT(net register tonnage) : 80 T

SPEED : 10 KNOTS
BOLLARD PULL : 22 TONS
DWT(dead weight ton) : 54.20 T

Different types of oil uses in tugs :

1. K15W40 Auxiliary engine (18lts)
2. 15w40 Main engine (860 lts)

3. 20w40 Harbour engine (16 lts)

4. SAE30 Air compressor fire fighting pump (1.5/25lts)

5. SP460 Turbo coupling /Fire monitor gare (01lts)

6. ULTRA10W Air starter motor bottle (01 lts)
7. EP32 Turbo coupling (155 lts)

8. EP150 Voith – 2400 lts

Pedestal BRG. 500 M.L. EACH

Capstan - 25 lts , Windless - 25 lts , Towing winch - 150 lts

ENGINES’:

• THERE ARE TWO MAIN ENGINES -2

• One port side and star boat side

• MAKE : caterpillar

• MODEL : 3516
• SPEED : 1200 RPM(revolution per min)

• ENGINE OIL : 15W40

• NO OF CYLINDERS : 16
• TYPE : 4 Stroke
• STRUCTURE : V-Type

VOITH:

• THERE ARE TWO VOITH (or) propeller

• Voith are top of the ship is connected to a string gear

• Voith oil grade EP150

• 2400 Q/L
AUXILARY ENGINE:

Make : Kirlosker

Engine oil : K15W40

Power rating : 75KVA
No of phases : 3 Phase

Frequency : 50Hz

Different sections in tug’s:

• Monkey deck
• Wheel house

• Upper deck
• Deck

• Engine room
Marine Pipeline Color Code:
• Yellow - lube oil
• Blue - fresh water
• Brown - fuel line

• White - air line

• Green - sea water

• Silver - exhaust line

• Black - sea wage

• Red - fire water