Road Highway and Tunel Automation

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Welcome to Innovation of Rock Enginering(Tunnel
and Automation
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Welcome Smart Tunnel Project EPC Team
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External/Internal Surge Source
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Sources for Extra Current /Voltages from
different areas

• Signal Surges Generation due direct lightning

• Ground Potential Rise

• Switching operations of heavy duty machines like
  motors, lifts, AC units, refrigerator, welding
  machine etc.

Short Circuit due Wire/ Cables
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An Arcing Fault is the flow of current through
the air between phase conductors or phase
conductors and neutral or ground. Concentrated
radiant energy is released at the point of arcing
an a small amount of time resulting in Extremely
High Temperature.
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Fire Accident Reason Lose Contact Earthing
Disorder and Lightning
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Follow Safety in Electrical Instalation Shocks
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Surge in Systems and Result
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Surge in DC Application
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Tunnel Engineering
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Tunnel and Require Equipments
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Tunnel in Snow Area and Automation and Sign
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Tunnel Require Equipments
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Tunnel
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Tunnel
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Tunnel Machinery
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Tunnel
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Network Connectivity
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Network Connectivity
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Traffic Support Equipments
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Train and Services
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Train Control Systems
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Rolling Stock Communication
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Traffic Important
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Tunnel Monitoring and Risk Management
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Safe Journey
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Equipotential bonding for lightning protection
according IEC 61024-1 and IEC 61312-1 IEC62305

• The 100 of lightning energy breaks down as
  follows
• a) 50 of the lightning current will flow
  through the ground
• b) 50 of the lightning current will flow over
  the connected metal parts out of the
  building
• about 10 to the water pipe (metal)
• about 10 to the gas pipe (metal)
• about 10 to the oil pipe (metal tank)
• about 10 to the sewage pipe
• about 10 to the power suppliers incoming feed
• max. 5 or 5 kA shared across all data lines

In India Sri Lanka Only Chance is Power
Line Approximately 50 of Total Lightning
Current has to be diverted to Power lines
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50
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v
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JMV LPS Products
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Copper Cladded Conductor For Electrical
Installation
The Copper Clad Steel Grounding Conductor is made
up of steel with the coating of 99.99 pure
copper. These conductors/ wires or strands are
equipped with the strength of steel with the
conductivity and copper with the better corrosion
resistance property. The concentric copper
cladding is metallurgic ally bonded to a steel
core through a continuous, solid cladding
process using pressure rolling for primary
bonding. The copper cladding thickness remains
constant surrounding steel. We use different
steel grades for the steel core result in Dead
Soft Annealed, High strength and Extra High
Strength Characteristics.  The Copper Clad Steel
Wire yields a composite conductivity of 21, 30
and 40 IACS, and available in Annealed and Hard
drawn. We are delivering products with varied
conductivity and tensile strength as per the
customer need. Further, the wire can be processed
to be silver plated or tinned copper clad steel
wire.
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Most Efficient JointProcess
It is efficient and superior to all existing
surface to-surface mechanical retention
connectors.
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What is Exothermic Welding System?Copper to
Bi-Metal and Alumenium

• Types of Exothermic Joints
• Possible to join any bi metal except aluminum
• Exothermic welding is a process of making
  maintain free highly molecular bonding process is
  superior in performance connection to any known
  mechanical or compression-type surface-to-surface
  contact connector. Exothermic weld connections
  provide current carrying (fusing) capacity equal
  to that of the conductor and will not deteriorate
  with age.
• It offers Electrical connections between two or
  more copper to copper and copper to steel
  conductors.
• Highly portable method as it does not require
  any external power source or heat source, so it
  can be done almost anywhere.
• It provides strong permanent molecular bond
  among metallic conductors that cannot loosen and
  further will not deteriorate with age.
• Connection does not corrode with time and it
  offers permanent conductivity.

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Copper Clad Steel Solid ROD and Conductor
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LIGHTNING FORMATION
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• Facts about Lightning
• A strike can average 100 million volts of
  electricity
• Current of up to 200,000 amperes
• Can generate 54,000 oF
• 10/350MicroSec/50KA Fault Current/Discharge in
  Nano Sec
• Protection
• Earthing Design100KA Fault Current/Joints
  Exothermic /Flexible Down Conductor with
  Shortest Route Less Corner

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• Lightning Protection Standard use in India
• (IS2309 Now IEC 62305-5)NBC2016
• Working Principle Angullar No Compromise with
  Design Max Protection 30Mtrs from One
• No Product warrenty from Manufacturer
• High Maintenance Require
• NFC17-102(2011) Now Europeon Standard(ESE LA)
• Working Principle Radius Compromise with Design
  Possible with Increasing Qty of ESE
• Max Protection 109 Mtrs Radius from One
• Manufacturing Warrenty and Test Certificate for
  Products Available
• Maintenance on Call Basis

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Lightning Risk assessment Study is actually the
measure of risk of a lightning strike and
probability of damages. As Per IEC62305-2.

• All these calculations are based on
• lightning strike density in that particular area
  (provided by OMV i.e. Ng 8),
• Danger for people,
• Occupation coefficient of structure,
• Relative location of site,
• Fire Risk,
• Associated services,
• Electrical Lines,
• Lightning Protection Level,
• Surge Arrestor and
• Dimensions of installation.

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Lighting Strike Density (Ng)                              
It is the measure of lightning strikes per kilometre square per year in the particular area. It is the measure of lightning strikes per kilometre square per year in the particular area. It is the measure of lightning strikes per kilometre square per year in the particular area. It is the measure of lightning strikes per kilometre square per year in the particular area. It is the measure of lightning strikes per kilometre square per year in the particular area.
Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level. Higher the lighting strike density, higher the probability of lightning strike which needs higher level of lightning protection level.
Danger for People (h)
It is the factor of presence of people and panic in the building in case of a lightning strike It is the factor of presence of people and panic in the building in case of a lightning strike It is the factor of presence of people and panic in the building in case of a lightning strike It is the factor of presence of people and panic in the building in case of a lightning strike It is the factor of presence of people and panic in the building in case of a lightning strike
 
No particular danger 1
Low panic level(lt2 floors, lt 100 persons 2
Medium risk of panic (lt 1000 persons) 5
Difficult to evacuate (disabled people, hospitals) 5
High risk of panic (gt 1000 persons) 10
Hazard for surroundings or environment 20
Contamination of surroundings or environment 50
 
Occupancy Coefficient (Lf1)
It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse. It is the risk reduction factor with respect to theoccupancy of the building / installation. For example, loss due to lighting strike is higher in hospital as compared to a store / warehouse.
Structure unoccupied 0.1
Structure normally occupied 0.01
Relative Location of Site (Cd)
It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower. It is the risk reduction factor with respect to the location and surrounding of the building / installation. For example, chance of lighting strike is minimized if the building is near to a high tower.
Structure surrounded by higher objects or trees 0.25
Structure surrounded by similar or lower objects 0.5
Isolated structure-No other objects nearby 1
Isolated structure on top of a hill or a hillock 2
Fire Risk (rf)
It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store. It is the risk reduction factor with respect to the flammability of the material present in the building / installation. For example, in case of lighting strike, loss will be very high at a gas station as compare to the cement store.
 
Explosion 1
High 0.1
Ordinary 0.01                            
Low 0.001
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Lightning Risk Calcuator as per IEC6305
  LIGHTNING RISK ASSESSMENT CALCULATIONS LIGHTNING RISK ASSESSMENT CALCULATIONS LIGHTNING RISK ASSESSMENT CALCULATIONS LIGHTNING RISK ASSESSMENT CALCULATIONS LIGHTNING RISK ASSESSMENT CALCULATIONS  
   
  Building / Installation KTC Tower KTC Tower  
   
  Building ID No. KTC, Mall Road KTC, Mall Road  
   
  LIGHTNING DENSITY Ng 8  
   
  STRUCTURE  
  Length L(m) L 12  
   
  Width W(m) W 15  
   
  Height H(m) Hi 10  
     
  Chimney/Tower height (m) T 2  
   
   
  DANGER FOR PEOPLE DANGER FOR PEOPLE h No particular danger No particular danger No particular danger
   
  OCCUPATION OF THE STRUCTURE OCCUPATION OF THE STRUCTURE Lf1 Structure normally occupied Structure normally occupied Structure normally occupied
   
  LIGHTNING CONDUCTOR LIGHTNING CONDUCTOR Pd Protection Level IV Protection Level IV Protection Level IV
   
  Electrical Line Ai Underground Underground Underground
   
  RELATIVE LOCATION OF THE STRUCTURE RELATIVE LOCATION OF THE STRUCTURE Cd Structure surrounded by higher objects or trees Structure surrounded by higher objects or trees Structure surrounded by higher objects or trees
   
  FIRE RISK rf Low Low Low
   
  SERVICE Lf2 Gas, water Gas, water Gas, water
   
  SURGE ARRESTOR Pi None None None
   
   
   
   
   
   
   
   
  RESULTS OF THE RISK ASSESSMENT RESULTS OF THE RISK ASSESSMENT  
   
  Risk of human loss R1 ACCEPTABLE ACCEPTABLE ACCEPTABLE
       
  Risk of loss of service R2 ACCEPTABLE ACCEPTABLE ACCEPTABLE
   
  Risk of loss of cultural heritage R3 ACCEPTABLE ACCEPTABLE ACCEPTABLE
   
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PASSIVE PROTECTION SYSTEM
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The Simple Rod air terminal is composed
from a metallic rod with 2 to 8 m height
dominating the structure to protect, and linked
to 2 down conductors minimum, and 2 earthing
systems. The protection radius ensured by this
air terminal which is limited to 30 m more or
less (Protection level IV, height 60 m),
especially dedicated to the protection of small
structures or areas like towers, chimneys, tanks,
water tower, antenna masts The EN 62305-3
standard describes the installation procedure for
these air terminals. 13 Simple Rods, 13 down
conductors, and 13 earthing systems are necessary
to ensure the protection below
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The meshed cage protection is
composed from a meshing in roof surface and in
the front face around the building. Surrounding
the roof surface, and on high points, capture
points are positioned. A conductors network is
placed at the outer perimeter of the roof. This
network is completed by transverse conductors.
The size of the meshing is 5 to meters, and
depends on the efficiency needed for the
protection. On the front face of the building,
the down conductors are linked at the top to the
meshing of the roof. And, down, to specific
earthing systems. The distance between two
conductors is 10 to 25 meters, and depend on the
efficiency needed for the protection. The EN
62305-3 describes the installation procedure for
this method. Generally, this method is heavy and
expensive, due to the complexity of the
structures to protect. 26 capture points, 26 down
conductors and a grounded loop earthing system
are necessaries to ensure the protection of the
structure here below
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The catenary wires protection is a
method closed to the meshed cage principle,
because it is constituted with meshing of the
conductors far from the structure to protect, to
avoid any contact with lightning
current. Catenary wires are located over the
structure to protect, connected to down
conductors and specific earthing systems. The
width of the meshing and distance between the
down conductors must respect the same rules as
for the meshed cage. The EN 62305-3 describes the
installation procedure for this
method. Generally, this method is heavy and
expensive, due to the complexity of the
structures to protect.
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The ESE air terminal is a
terminal which enables to generate artificially
an upward leader earlier than a simple rod, with
an ionization system, in order to establish a
special impact on its point. The capture of the
lightning strike being faster than a simple rod,
this technology enables to benefit from larger
protection areas, ensuring protection for large
dimensions structures. The generated protection
radius depends on the early streamer emission
value of the air terminal (?t in µs), its height,
and the efficiency of the protection. The
protection radius ensured by this type of air
terminal is 120 m (Protection level IV, height
60 m , early streamer emission time 60µs) The NFC
17-102 standard describes the installation
procedure for this type of air terminal. The
installation of this type of air terminal is easy
and cheaper than other technologies. It can
protect whole buildings with one E.S.E. air
terminal. It enables the protection of a
structure and its environment, the protection of
opened areas and well integrate in the
architecture of a structure without aesthetic
alteration. 1 ESE, 2 down conductors and 2
earthing systems are necessary to ensure the
protection below
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Installation
ESE AT with radius protection form 32 mtr to 107
mtr.
DMC Insulator .
GI/FRP Mast .
Down Conductor Copper / Copper Cadmium Cable 70
sq. mm
Copper Bonded Ground Earthing
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Thimble
Joint all phase wire/ cable with the help of
crimping tools and lugs
Step 1
Separation Sheet
Fixed the separation sheet between all wires/
cables
Gel / Silicon
Step 2
Close the filled Silicon enclosure from top and
bottom , complete installation is done.
Step 3
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• Features
• Provides cable with cable connections and
  jointing wires in switchboard / electric boxes
  Being a jelly it can be easily fit into molds of
  any shape and size.
• Helps in safeguarding electrical connections and
  also protects electrical connection joints from
  catching fire, sparking and leakage current.
• Eradicates all the possibilities of fire,
  electric shocks and sparks, etc. causes due to
  improper electrical connection joints and
  safeguards structure, equipment and person.
• Offers safety to your electrical joints from
  ageing, corrosion, moisture and also observes
  leakage current.
• Advantages
• Nontoxic
• Insulating
• Highly reliable operation
• Maintenance Free
• Repairable
• Cost Effective
• High repeat value
• Elasticity
• Shape retention

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JMVs Clients
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Neeraj Saini 9910398538 Rahul Verma
9910398535 Manav Chandra - 9910398999
manav_at_jmv.co.in