pre-feasibility report...
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PRE-FEASIBILITY REPORT
SURKANDA DEVI ROPEWAY PROJECT
Kaddukhal, District- Tehri Garhwal
Uttarakhand
Submitted to:
Ministry of Environment, Forests & Climate Change
Government of India
Submitted by:
SURKANDADEVI ROPEWAY PROJECT COMPANY PRIVATE LIMITED
23/1 RAJPUR ROAD, DEHRADUN, UTTRAKHAND
Environment Consultant
Prepared By:
M/S PERFACT ENVIRO SOLUTIONS PVT. LTD. (NABET Registered wide list of accredited consultants organizations/ Rev 21A/ 19
thAugust, 2014 at S.No-110)
5th
Floor, NN Mall, Mangalam Place, Sector 3, Rohini, New Delhi
Phone No.: 011-47528467, 011-47021086
Fax No: 011-47528434
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Project Description
The Government of Uttarakhand (GOU) wishes to develop an aerial passenger ropeway
between Kaddukhal & Surkanda Devi Temple in order to promote tourism in the region. The
proposed ropeway shall be developed through Public Private Partnership mode on Build,
Operate and Transfer (the “BOT”) basis.
The Project is a 500 m long ropeway, covering an area of 5620 sq m (including Lower Terminal
Station, Upper Terminal Station & ropeway corridor). Lower Terminal Point (LTP) and Upper
Terminal Point (UTP) are proposed near Kaddukhal and Surkanda Devi Temple.
Type of Project
The project being an Aerial Ropeway falls under the item 7 (g) of the EIA notification, 2006 and
is a designated Project as per Schedule and falls under category A, as the Temple is at an
elevation of 2737 m above MSL.
Project Proponent
Uttrakahnd Tourism Development Board (UTDB) as part their initiative to improve tourism
based facilities and socio economic structure of local population directed Uttrakahnd
Infrastructure Project Company Private Limited (UPIC) (a 50:50 joint venture company between
Government of Uttrakahnd and ILFS) to undertake detailed Feasibility and Project Viability
Analysis for establishment of passenger ropeway to the temple of Surkanda Devi. UPIC on their
part issued RFP/RFQ documents to prospective bidders in October 2012; after ascertaining
project viability and obtaining all mandatory approval for the captioned project. The Surkanda
Devi Ropeway Project was awarded to M/s K. R. Anand and M/s KRA Infrastructure Developers
Pvt. Ltd. through competitive bidding and letter of award (LOA) on 31-01-2013. A special
purpose company was formed as Surkanda devi Ropeway Project Company Private Limited for
design, construction, operation and maintenance of the ropeway project under revenue sharing
model. The lease duration of the project is 30 years, extendable by an additional 10 years.
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Description of Project Site:
Surkanda Devi temple is dedicated to Sati-wife of Lord Shiv. According to the legend, Sati gave
up her life in the argument with her father, as Prajapati Daksha was not ready to accept Shiv as
her daughter's husband. It is said that Lord Shiv brought Sati's dead body, on his trishul to this
place from Haridwar. Because Lord Shiv was dancing furiously with the dead body of his wife,
Lord Vishnu started cutting the body parts of Sati with his Sudarshan Chakra. The head of Sati
fell at this place and hence the place got the name Surkanda.
Temple is situated on the peak of a hill approachable by 1.6 km fairly steep foot path from the
nearest motorable road.
It is surrounded by dense forests and affords a scenic view of the surrounding region including
the Himalayas to the north, and certain cities to the south (e.g., Dehradun, Rishikesh)
Need/Justification of the Project:
Presently the devotees face hardship in climbing this stretch of approach to the temple. This
ropweway system is proposed to negotiate this tough reach in a comfortable & environment
friendly way.
Location of the Project Alignment
Surkanda Devi Temple is situated on the peak of a hill at Village Kaddukhal in the western part
of Tehri Tehsil, District Tehri Garhwal, Uttrakhand. The temple is at elevation of 2737 m from
MSL.
The lower terminal Station, Kaddukhal is on Dhanaulti- Chamba road. Kddukhal is at 40 Km
distance from Mussoorie, 75 Km from Dehradun & at 8 Km distance from Dhanaulti.The
location map of the Project alignment is shown below:
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The lat long of the site are given below:
Station Latitude Longitude
Lower Terminal Station 78017’19.21”E 30
024’23.52”N
Upper terminal Station 78017’17.24”E 30
024’40.09”N
Connectivity (distances from Surkanda Devi Temple):
• Airport: Jolly Grant, 26 kms
• Railway Station: Rishikesh Railway Station, 33 kms
Dehradun Railway Station,26 Kms
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• Road: The nearest road head is at Kaddukhal which is connected by road going from
Dhanaulti to Chamba. Surkanda Devi Temple is 1.6 kms from Kaddukhal on foot.
Area Requirement:
The area required for the construction of the terminal stations and line towers would be about
5620 sqm.
The detailed area summary is given below:
Area required for Area (sq m)
Lower Terminal Station,
Kadukhal
300
Upper Terminal Station,
Surkanda Devi Temple
300
Ropeway corridor 5020
Total 5620 sq m
Alternative routes assessed
Five alternative routes were assessed, which are as discussed below:
Alternative Latitude Longitude Elevation
Difference
Alternative I LTP- 30024’23.52”N
UTP- 30024’40.09”N
LTP-78017’19.21”E
UTP- 78017’17.24”E
215 m
Alternative-II LTP- 30024’22.26”N
UTP- 30024’41.53”N
LTP-78017’17.98”E
UTP- 78017’14.63”E
231 m
Alternative-III LTP- 30024’49.37”N
UTP- 30024’39.66”N
LTP-78017’49.69”E
UTP- 78017’20.13”E
291 m
Alternative-IV LTP- 30024’22.70”N
UTP- 30024’39.78”N
LTP-78017’19.24”E
UTP- 78017’19.09”E
226 m
Alternative-V LTP- 30024’22.96”N
UTP- 30024’40.53”N
LTP-78017’18.61”E
UTP- 78017’16.04”E
223 m
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Selected Alignment:
Out of the five alternative routes the Alternative-II was found appropriate as it was the most
stable stretch, the requirement of space was minimum and minimal no. of trees will be
disturbed. Also, the UTP is located reasonably away from the Shrine so as to not cause any
interference. The five alternative alignments are shown in the figure below:
The total length of proposed ropeway alignment is working out to be 500 m. The LTP is
proposed near GMVNL rest house at Kaddukhal.
The UTP is proposed near the Dharamshala towards South West on gradual slope.
Merits of the selected Alignment:
The alignment for the proposed ropeway project was selected based on the following
guidelines:
i) Availability of adequate space for proposed terminal stations;
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ii) Low density of forest cover thereby reducing number of trees to be felled;
iii) Major points / locations to be connected along the route;
iv) Minimum possible infringement with the environment;
v) No rehabilitation or relocation involved
vi) Stability of the location vis-à-vis geology; and
vii) Financialfeasibility of constructing terminal stations.
viii) Minimum numbers of trees are required to be cut.
Proposed Ropeway System Technology
Mono-cable Jig back system
In this system one endless hauling rope supports and hauls two cabins, one in forward direction
and the other in reverse direction between the terminal stations. The cabins are fixed to the
rope. Once the cabins reach the terminal stations the movement of the ropeway is reversed.
Mono-cable uses cabins of comparatively lower passenger carrying capacity.
Advantages
• Reduced terminal space requirement
• Cost effective
• Simplicity of operation and maintenance
Constraints
• Low transportation capacity
Specifications & Guidelines
The specifications and guidelines are provided for the various project components (Ropeway
System, associated infrastructure) including, but not limited to the following major provisions:
The Concessionaire shall consider Specifications provided by Bureau of Indian Standards and
other applicable statutory code of practices like Indian Electricity Act, National Building Code,
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Municipal Building Bylaws of Uttarakhand, etc for design, construction, operation and
applicable maintenance of the project facilities. The Concessionaire shall adhere to the
provisions of any Act for passenger ropeway that is applicable for enacted in future in the state
of Uttarakhand. In case of ropeway Cabins and its associated part to be mandatorily procured
imported, suitable international standards with justification may be followed.
Maintenance Schedule:
Detailed operation and maintenance instruction manuals covering all aspects of maintenance of
the Ropeway System would form an integral part of system documentation.
The essential aspects of maintenance are, however, briefly listed below:
� cabins, hangers and grips etc shall be done.
� Periodic lubrication at the Stations shall be done.
� Routine lubrication at the Stations.
� Regular cleaning at stations to ensure a clean and dust-free atmosphere.
� Periodic Inspection, checking and replacement of hauling rope especially the spliced
zones.
� Inspection, checking, lubrication and replacement if and when required of line
components such as line sheaves.
� Tightening of all station tower bolts periodically.
� Checking of prime mover such as motors, gearbox, couplings etc.
� Regular checking of service and emergency brakes.
� Regular checking of DG set and Diesel Engine.
� Mock trial of rescue system at periodic intervals.
� Adequate maintenance spares will be stocked for smooth operation.
� Special tools & tackles will kept in the workshop
3. ENVIRONMENT MANAGEMENT PLAN
Land Environment:
Construction phase:
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The land is a forest Land, of which 0.68 ha has been procured for the project. There is no eco
sensitive zone within the 10 Km radius of the project alignment. The diversion of forest land will
be required for construction of terminal stations, and line towers along the corridor.
Operation Phase:
Although no major impact on land is envisaged during the operation phase, proper collection
shall be taken care for no disposal of solid or hazardous waste & wastewater on land.
Air Environment
Construction phase:
During the construction activities for the proposed terminal stations there will be fugitive
emission such as particulate emission etc. on small scale. Water sprinkling shall be done to
mitigate the impacts of dust generation.
The particulate emissions will be minimal and short term in nature. For the construction of line
towers, the generation of the dust will be low as compared to the construction of terminal
stations. Moreover, the dust generated during the construction phase will be considerably
reduced due to localized meteorological conditions.
Operation Phase:
The operation of the proposed ropeway will not involve major air emissions. Ropeway
operation is an environment friendly non-polluting transport system.
DG set of 750 KVA are proposed at LTP & DG set of 15 KVA are proposed at UTP for backup
power supply. These D.G. Sets will be provided with proper stack height as per the CPCB norms.
As per the specifications from D.G. Set manufacturer, the emissions rates that shall be
maintained are given in Table below:
D. G. Set.
Capacity
No.
Location PM
gm/kw-hr
NOx
gm/kw-hr
SO2
gm/kw-hr
CO
gm/kw-hr
750 KVA 1 LTP 0.3 9.2 1.3 3.5
15 kVA 1 UTP 0.3 9.2 1.3 3.5
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The impact of pollutants such as SO2, NOx and CO mainly released from D.G sets and their
concentration & impact will be very negligible and of short term duration.
The system will be operated mainly on electricity provided by Grid. DG sets will be used as a
stand-by only at the time of power failure.
Noise Environment
Construction Phase:
The noise emission sources during construction phase will include construction machineries/
equipments to be employed at site.
The management measures for noise & vibration control are as follows:
• Standard methods and machinery shall be used.
• Job rotation and provision of earmuffs to the workers in high noise areas.
Operation Phase:
DG set of capacity 1 X 750 kVA at LTP and DG set of 1 X 15 kVA at UTP are proposed for backup
power supply. Acoustically enclosed DG Sets will be bought and installed.
The noise & vibration management measures are discussed below:
• Noise free and less air pollution emitting, acoustically enclosed DG Sets, approved by the
CPCB will be bought and installed.
• The system will be operated mainly on electricity provided by Grid. DG sets will be used as a
stand-by only at the time of power failure. DG sets shall be installed on proper vibration
pads to avoid vibration impacts.
• The noise pollution due to operation of DG set can be controlled by installation of silent
cowling to a value of 65 dB (A).
The normal ropeway operations are always lower than 50 dB (A) of noise level. Proper
maintenance of the ropeway during the operational phase will be done to ensure low or no
noise and environmental impacts.
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Water Environment
Construction Phase:
During construction Phase, water will mainly be required for ropeway development, dust
suppression & human consumption. It is estimated that around 5 KLD of water shall be
required.
Operation Phase:
The total water requirement has been estimated as 15 KLD as per detailed below and the
source will be Spring Water. Water shall be used mainly for flushing, drinking, hand washing &
horticulture purposes. Total quantity of waste water generation has been estimated to be 9
KLD. The waste water generated will be treated in 2 STPs of 10 KLD each.
S. No. Population Factor
(lpcd)
Water
Requirement
(in KLD)
Waste Water
Discharge
(in KLD)
Visitors 1000 15 15
Staff 20 45 1
Sub Total 16
1. Domestic 5
Hand washing – 2
Drinking - 3
2
Hand washing – 2
Drinking - Nil
2. Flushing 6 6
3. Gardening 2 0
4. Miscellaneous 2 1
Total 15 9
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WATER BALANCE
SCHEME OF SEWAGE TREATMENT PLANT
The generation of total waste water will be 9 KLD, which will be treated in total 2 sewage
treatment plants of 10 KLD capacities each based on FAB (Fluidized Aerobic Bio-reactor)
Technology.
DESIGN CRITERIA
TREATMENT PROCESS:
THE PROCESS FOR SEWAGE TREATMENT PLANT IS AS FOLLOWS:
The sewage is first passed through a Bar Screen Chamber & an Oil & Grease Chamber where
any extraneous / floating matter gets trapped.
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The sewage is then collected in a Receiving Sump where the variations in flow and
characteristics are dampened, which otherwise can lead to operational problems and moreover
it allows a constant flow rate downstream. Here the sewage is kept in mixed condition by
means of coarse air bubble diffusion.
The equalized sewage is then pumped to the Fluidized Aerobic Bed Reactors (FAB) where
BOD/COD reduction is achieved by virtue of aerobic microbial activities. The FAB reactors run in
series. The oxygen required is supplied through coarse air bubble diffusers.
The excess bio-solids formed in the biological process are separated in the downstream Tube
Settler Tank. The clear supernatant after disinfections is sent to the tertiary polishing section
comprising of a Dual Media Filter and an Activated Carbon Filter, passes through Softener for
reducing the hardness.
The biological sludge generated from the FAB, which is settled in the Tube Settler, is drained
through the Filter Press.
Raw Sewage Characteristics
The Sewage Treatment Plant (STP) can give treated water, which can be reused for Flushing,
Hand washing & other miscellaneous purposes.
Flow m3 / day 10 KLD each
pH - 7.0 – 8.5
BOD mg / l 200-300
COD mg / l 400-500
TSS mg / l 100
Oil & Grease mg / l 10
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Treated Sewage Characteristics
pH - 6.5 – 8.5
BOD mg / l <10
COD mg / l <60
TSS mg / l < 10
Oil & Grease mg / l < 10
Benefits:
1. Small space requirement
The concept of compact sewage treatment plant is promoted so that expensive conventional
treatment is dispensed herewith. The treatment scheme is also versatile, in the sense that units
can be re-arranged in any way in which the space and pile caps are available.
2. Lower operating power requirements
The system utilizes aeration tanks of much smaller size, thereby reducing the overall power
required in aerating the raw sewage. Since the bio-reactor depth is more, efficient transfer of
oxygen takes place, thereby reducing the overall power consumed in treatment.
3. Simplicity in operation and maintenance
The system adopted has much less moving parts (only pumps and blowers). Further there is no
moving part inside the bio-reactor. This gives the advantage of continuously running the bio-
reactor system, under widely fluctuating conditions. All the maintenance on the mechanical
systems can be done with normal skilled mechanics available.
The system is unique in operation, such that, only inlet and outlet parameters (i.e. raw sewage
BOD / COD / TSS /TP and treated sewage BOD / COD / TSS / TP etc.) need to be analysed. Since
the bio-reactor is self sustaining, there is no requirement of recycling the biomass from the
secondary clarifier. Hence, analysis such as MLSS / MLVSS / SVI (sludge volume index) / F / M
ratio etc. is not required to be done. This greatly reduces the analytical load on the plant
chemist / supervisor, and makes the system very simple to operate and control.
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The bio-reactor system adopted in the FAB based STP is provided with nutrients removal, and
removal of disease causing E-coli bacteria.
4. Nutrient removal
The bio-reactor system operates at very food to micro-organisms ratio (F / M ratio). This helps
in totally converting the Ammonical nitrogen to nitrate nitrogen. In the process of synthesis of
organic substrate, about 40 – 50% of the total phosphates load is also reduced. The remaining
phosphates can be precipitated by addition of aluminum ions dosed in form of Poly Aluminum
Chloride (PAC). Phosphates react with aluminum ions and precipitate as aluminum phosphate,
which is an insoluble salt. Thus the total phosphates load can be easily reduced by more than
90%.
5. Coliform removal
The outlet BOD of the bio-reactor system being very low (in other words, hardly any food is
available to the E-coli), most of the coliform are killed in the reactor itself. The treated sewage
outlet coliform count will conform to WHO standards.
6. Sludge handling
The sludge generated in the bio-reactors is totally digested. Since the F / M ratio in the bio-
reactors is very low, the excess sludge generation is lower than compared to the conventional
ASP system. Normally, this sludge is anaerobically digested to stabilize the organic matter. The
present system does not envisage any sludge digestion (since the sludge is aerobically stabilized
in the bioreactors itself), making the system more suitable for operation with less manpower.
The excess sludge is separated in the secondary clarifier, and then disposed off either on drying
beds, or can be directly used as soil conditioner.
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HYDRAULIC FLOW DIAGRAM OF SEWAGE TREATMENT PLANT
PG
PG
PG
PG
PG
PG
Storm Water Management
Maximum collection of rain water shall be done and the stored water shall be reused wherever
possible.
Garland drains are proposed around the pillars/towers to ensure the proper drainage of the
storm water and to prevent disturbance to the drainage pattern of the area.
Solid Waste Management
Construction Phase: Wastes which are likely to be generated during the construction of
terminals include the following:
• Municipal Waste: Site clearance
• Construction Waste: Construction materials arising from the construction may include
waste timber work, spent concrete and cement screening and material and equipment
wrappings.
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• Excavated materials: Excavation during pillar foundations will lead to generation of excess
soil. Top soil will be used for landscaping and left out soil will be used for land filling.
• Local labors will be preferably employed; no labour camp will be setup at the site. Approx. 3
Kg/day wastes will be generated which will be sent to solid waste/landfill site.
Operations Phase: During operation phase, solid waste will be generated by ropeway users,
employee, etc. The estimates of the solid waste generated from the proposed project have
been shown in table below:
Type of Waste Colour
of Bin
Category Disposal Method Total Waste
(kg/day)
Organic Waste Green Bio-
degradable
The waste will be
disposed by pyrolysis
method
92
Recyclable
Waste
Blue Recyclable Collected and given to
approved recycler
61
Total Waste
153 kg/ day
The above table indicates that the total 153 Kg/day of waste will be generated due to the
proposed development.
The waste oil generated from D.G sets will be sent to authorize hazardous waste disposal
authority.
Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures in
the absence of oxygen (or any halogen). It involves the simultaneous change of chemical
composition and physical phase, and is irreversible.
The waste is broken down to create gas, solid and liquid residues. The gases can then be
combusted in a secondary process.
Most pyrolysis processes have four stages:
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1) Preparation of the waste feedstock: The plant may take mixed waste and process it first
through some sort of materials recycling facility, to remove some recyclables and materials that
have no calorific value (e.g. grit)
2) Heating the waste in a low-oxygen atmosphere to produce a gas, oils and char (ash)
3) ‘Scrubbing’ (cleaning) the gas to remove some of the particulates, hydrocarbons and soluble
matter
4) Using the scrubbed gas to generate electricity and, in some cases, heat (through combined
heat and power – CHP). There are different ways of generating the electricity from the
scrubbed gas – steam turbine, gas engine and maybe some time in the future, hydrogen fuel
cells.
Benefits:
• Stable operation for a broad range of waste quality
• Emissions from the system are well below the limit values
• Flexibility in design and operation achieved by a modular design
• Effective initial waste volume reducing
• Efficient recovery of the materials and energy from the process
• Low operational costs; no supplementary external fuel supply for the normal operation,
i.e. significant reduction of running costs
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Ecological Environment
The alignment falls within a Forest land which needs to be diverted for development of
terminal stations & line towers. About 6800 sq m (0.68 ha) of area of forest land will be
required to be diverted. This activity will be carried out as per the guidelines of the Forest
(Conservation) Act, 1980. A compensatory afforestation plan will be developed in the ratio of
1:2 and hence, an amount for plantation of trees in an area of 1.4 hectare will be given to the
forest department.
32 trees falls within the corridor of the alignment.
Socio Economic Scenario
There will be no displacement or immigration of the human population due to the proposed
project.
Elderly, children and disabled people, who have to climb the arduous steps, will be able to take
safe and convenient travel to the holy place.
Provide direct and indirect employment opportunities to the local people.
Enhance visitor experience and boost tourism in the region.
Would create a world-class destination and help in reviving the brand “Uttarakhand – Simply
Heaven”.
SAFETY AND RESCUE PLAN
Safety Plan
The ropeway system is proposed to be of best engineering standards in accordance with the
relevant Indian and International standard codes. The state government wish to appoint an
Independent Engineer to oversee and monitor the construction and operation of the project.
The Independent Engineer shall be an expert / firm of experts in the ropeway operations &
maintenance.
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Alternatively, the state of Uttarakhand is in process of enacting rules & regulations for the
operations of the ropeway projects in the state under which a Chief Ropeway Inspector has
been proposed which would be assisted by District / Divisional Inspectors. The Chief Ropeway
Inspector shall be the licensing authority and would be supervising and monitoring the ropeway
projects specially on account of safety, maintenance, traffic, etc.
Before making it for public use the ropeway project shall be thoroughly inspected by Chief
Ropeway Inspector, Government of Uttarakhand to ensure the ropeway project is safe for
public use. After getting clearance certificate, the commercial operation of the ropeway would
be able to commence.
Safety Measures
(a) The Gondolas should be provided with door lock, which cannot be opened by the
passengers.
(b) Carriage of each cabin should be provided with 2 Nos. Detachable rope grips.
(c) Two separate brakes should be provided in the drive of ropeway system. One no. weight
operated and thrust or released brake should be provided on brake ring fitted on drive
sheave. This will act as normal and emergency brake. A second weight operated thrust
or released brake should e proved on high speed brake drum coupling which will act as
Service brake.
(d) In the event of main supply power failure, full capacity D.G. Sets provided to supply
power to run drive motors.
(e) Standby Diesel Engine should be provided for each section to run ropeway at slow speed
to rescue passengers from line in case of failure of main D.C. Motor.
(f) Line safety devices should be installed on each trestle, hold downs and pressure frames
which immediately stop the ropeway in the unlikely event of rope derailment. This
should comprise of electrical trip limit switch with attachment mounted on line sheave
it should automatically trip the ropeway by the actuation of limit switch through the
attachment.
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(g) Rope catcher should be provided on the incoming side of mount beams on line trestles,
hold down, P.F. and Stations to arrest/ support the hauling rope in case of deropement.
(h) Emergency push buttons should be provided at all stations to stop the ropeway, if
required.
(i) The ropeway Main drive motors to be tripped if:
• Set rope speed exceeds by 5%
• Wind speed exceeds the set limit
4.3 Rescue Arrangement:
The ropeway system would be provided with following Rescue Arrangement:
• The ropeway system would be provided with suitable means for rescue shall be
provided (ladders capstans, etc.) to facilitate the rescue of passengers who might
remain trapped along the line on account of unforeseen stopping of the installation, in a
reasonable short time and in the easiest and safest manners. The use of such equipment
shall not require the help of the passengers.
• The chosen rescue equipment shall be such that the rescue operation can be carried out
in a perfect manner even at the most critical points of the route (over water spread,
rigged terrain, high elevation above ground, etc.)
PROJECT SCHEDULE & COST ESTIMATES
The estimated project cost of is Rs. 5 crores.
The scheduled completion date shall occur on the 550th
day from the appointed date. On or
before the scheduled Completion date, the concessionaire shall have completed the
construction of the entire project.
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COST ON EMP
CAPITAL EXPENDITURE
Sl No
Description Capital Cost ( Rs. In Lacs)
1 Landscaping 3.0
2 STP / Waste water treatment 25.0
3 D.G. set Stack 2.5
4 D.G. set Enclosure 1.0
5 Solid Waste Management/ Pyrolysis plant 12.0
Total Rs. 43.5 Lacs