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FORM 1

SADA MANGDER HYDRO PROJECT (71 MW)

ON RANGIT RIVER & RALLI CHU SOUTH - WEST SIKKIM DISTRICT,

SIKKIM

Submitted by

GATI INFRSTRUCTURE SADA-MANGDER POWER PVT. LTD.

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(I) BASIC INFORMATION

S. No. Item Details

1 Name of the Project Sada Mangder Hydro Electric Project

2 S. No. in the schedule 1 (c) River Valley Project

3 Proposed capacity/area/length/tonnage to be handled/command area/lease area/number of wells to be drilled

71 MW

4 New/Expansion/Modernization New

5 Existing Capacity/Area etc NA

6 Category of Project i.e.' A' or 'B' A

7 Does it attract the general condition? If yes, please specify

No

8 Does it attract the specific condition? If 'yes, please specify

No

9 Location The Sada-Mangder Hydroelectric Power Project (HEPP) is located in the South-West District of Sikkim on the Rivers Rangit and Ralli about 70 km by road from Singtam. The project area is located between Latitude 27°21’50” N to 27°24’40’’ N and Longitude 88°19’33”E to 88°21’06”E (Location map attached as Annexure I)

Plot/Survey/Khasra No.

Village Sada and Mangder

Tehsil

District West Sikkim

State Sikkim

10 Nearest railway station/airport along with Distance in km

The nearest airport is at Bagdogra, approx. 220 km from the project site along highway 31A. The nearest railhead is New Jalpaiguri about 200 km from Sada-Mangder HEPP

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S. No. Item Details

11 Nearest Town, city, District Headquarters along with distance in km

From Ravangla =17KM From Geyzing =70KM

12 Village Panchayats, Zilla Parishad, Municipal Corporation, Local body (complete postal address with the telephone Nos. to be given)

SADA Village Panchayat Mr. Chabilal Gurung. P.O Pamthang. P.S. Ravangla. District South-737139 Panchayat President Mrs. Tara Kumari Rai. Upper Polok, P.O Borong, P.S. Ravangla. District- South Sikkim. Zilla Adhikshya Shri C.L. Gurung. Mobile No. - 9474352811 MANGDER Mr. Karma Gyaltsen Bhutia Ward Panchayat cum President P.O Yangtam, P.S. Tashiding, Distt. West Sikkim 9609872687. Zilla Panchayat Mr. C.B. Gurung

13 Name of the applicant Gati Infrastructure Sada Mangder Power Pvt. Ltd.

14 Registered Address 1-7-293, M.G. Road, Secunderabad- 500003, Telangana.Tel : +91-040- 27844284, 27843788 Fax : +91-040-27894284

15 Address for correspondence GATI Infrastructures Limited Khasra No. 14/19/2, Old Delhi-Gurgaon Road, Samalkha New Delhi-110037

Name Sanjeev Kumar Upadhyay

Designation (Owner/Partner/CEO) President & Director - Projects

Address GATI Infrastructures Limited Khasra No. 14/19/2, Old Delhi-Gurgaon Road,

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S. No. Item Details

Samalkha New Delhi-110037

Pin Code 110037

E-mail sanjeev.upadhyay@gatiinfra.com

Telephone No. 91-8800792540

Fax No. 011-66530730

16 Details of Alternative Sites examined, if any Location of these sites should be shown on a toposheet

NA

17 Interlinked Projects NA

18 Whether separate application of interlinked Project has been submitted?

NA

19 If yes, date of submission NA

20 If no, reason NA

21 Weather the proposal involves approval/clearance under: if yes, details of the same and their status to be given.

(a)The Forest (conservation) Act 1980?

(b)The Wildlife (Protection) act, 1972?

(c) The C.R.Z, Notification1991?

Yes; Total land requirement for the project is 49.6596 Ha of which 31.0756 Ha is forest land and 18.584 Ha is private land.

22 Weather there is any Government Order/Policy relevant /relating to the site

No

23 Forest land involved (Hectares) 31.0756 Ha

24 Weather there is any litigation pending against the Project and/or land in which the project and/ or land in which the project is propose to be set up-

(a)Name of the Court

(b)Case No.

(c)Orders/directions of the court, if any and its relevance with the proposed project

No

(II) Activity 1. Construction, operation or decommissioning of the Project involving actions, which will cause physical

changes in the locality (topography, land use, changes in water bodies, etc.)

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S. No. Information/Checklist confirmation Yes/No Details thereof (with approximate quantities /rates, wherever possible) with source of information data

1.1 Permanent or temporary change in land use, land cover or topography including increase in intensity of land use (with respect to local land use plan)

Yes Permanent change in land use will be due to dams, reservoirs, Intakes, Power House, Switch Yard, Approach Road muck disposal area, quarry area, construction plant area, storage facilities and camps etc. Total land requirement for the project is 49.6596 ha of which 31.0756 ha is forest land and 18.584 ha is private land. Land ownership in the project area mainly rests with private parties, Forest department and Government. As per the Landuse derived by NRSC data, most of the area consists of forest, agriculture, pasture and fallow land. For FCC of Study area Refer Annexure II.

1.2 Clearance of existing land, vegetation and buildings?

Yes There are no buildings. However, clearance of vegetation in submergence area shall be required.

1.3 Creation of new land uses? Yes The area under submergence and project components (like dams, power house, township, switch yard etc. shall create new land uses comprising of reservoirs and buildings.

1.4 Pre-construction investigations e.g. bore houses, soil testing?

Yes Topographical surveys, detailed geological & geotechnical studies involving sub surface investigation viz. drilling/ construction material survey etc. have been undertaken as part of DPR preparation.

1.5 Construction works? Yes The proposed Sada-Mangder HEPP comprises of the following

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structures: • Sada Dam: concrete gravity dam with incorporated ungated spillway and No. 1 Bottom Outlet. Conventional gravity dam with vertical upstream and inclined downstream face. Main features include: - Dam height from foundation level 45.9 m - Crest elevation 1540.0 m a.s.l. - Crest length 64.5 m - Dam volume 37’000 m3 - Spillway design discharge 450 m3/s (Q1000) - Bottom Outlet capacity 300 m3/s • Sada Intake: located on the right bank, 6.67 m upstream of the dam axis. It has a trash rack and an entrance gate (roller type) and is conceived for a design discharge of 11.5 m3/s. • Sada Headrace Tunnel (HRT): located on the right side of the Rangit river. It has a length of 3558 m and an internal diameter of 2.7 m. Velocity for design discharge of 11.5 m3/s is 2.0 m/s. • At Sta. P5 of Sada HRT a Surge Shaft is located. It is a vertical shaft of 12 m internal diameter and 53.9 m height. • The Sada Pressure Shaft connects Sada HRT to the Powerhouse. Its total length is 1561 m and it is divided in 2 sections: the upper part has a gradient of 42.9° and the lower part has a gradient of 0.2%. The

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entire pressure shaft is steel lined with an internal diameter of 1’700 – 1’800 mm. • Mangder Dam: concrete gravity dam with incorporated ungated spillway and No. 1 Bottom Outlet. Conventional gravity dam with vertical upstream and inclined downstream face. Main features include: - Dam height from foundation level 47.30 m - Crest elevation1136.75 m a.s.l. - Crest length 46.1 m - Dam volume 25’500 m3 - Spillway design discharge 490 m3/s (Q1000) - Bottom Outlet capacity 294 m3/s • Mangder Intake: located on the left bank, 6.7 m upstream of the dam axis. It has a trash rack and an entrance gate (roller type) and is conceived for a design discharge of 13.7 m3/s. • The Mangder Pressure Shaft connects Mangder intake to the Powerhouse. Its total length is 294.5 m and it is divided in 3 sections: upper part, vertical shaft and lower part. The upper part has an internal diameter of 3.0 m. The vertical shaft and lower part are steel lined with an internal diameter of 1’900 mm. • The common underground powerhouse complex comprises of a powerhouse cavern (dimensions (l×w×h): 44.5×16.5×30.4 m) with 2 unit

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bays, a transformer gallery and a multipurpose access tunnel of 453 m in length. • Nos. 2 vertical axis Francis turbines with 54.0 MW for Sada and 17.0 MW for Mangder, total installed capacity 71.0 MW. • The common outlet works comprise of an expansion chamber (rectangular 23.0 × 9.8 m, height 25.9 m), a tailrace tunnel (length 879.3 m, internal diameter 4.6 m) and an outlet structure which releases the turbined water into Rangit river, approx. 1.5 km upstream of its confluence with Relli River. • Outdoor Switchyard located next to the portal of the multipurpose access tunnel, 70×40 m (l×w). • The power is evacuated via a 132 kV transmission line. It is understood that this transmission line is provided by SPDC. Project layout map is shown as Annexure III.

1.6 Demolition works? No Demolitions of the structure would not be needed.

1.7 Temporary sites used for construction works or housing of construction workers?

Yes

1.8 Above ground buildings, structures or earthworks including linear structures, cut and fill or excavations

Yes Cofferdams and Adits Dams Reservoirs Spillways Desilting Chamber Power House Offices/Workshops/Fire

Stations/Fuel Station etc. Stores/Explosive

Magazines etc.

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Switch Yard Township: Residential

and Non-residential Buildings, Hospital

Roads/Bridges/Culverts Quarries.

1.9 Underground works including mining or tunneling?

Yes Diversion Tunnels Headrace Tunnels Surge Shaft Pressure Shafts Tailrace Tunnel.

1.10 Reclamation works? Yes Reclamation works like the leveling of construction site during the post construction phase and restoration to the pre-project status after construction is over.

1.11 Dredging? No No dredging involved

1.12 Offshore structures? No No offshore structures

1.13 Production and manufacturing processes? Yes Hydro power generation (71 MW) process.

1.14 Facilities for storage of goods or materials? Yes Temporary Storage of petrol, High Speed Diesel, Constructional Materials & Plant Equipment, Explosives etc.

1.15 Facilities for treatment or disposal of solid waste or liquid effluents?

Yes No harmful effluent is likely to be generated. However, the solid waste generated from the construction staff colony shall be collected and disposed at designated land fill sites, which shall be identified in consultation with the local administration. Adequate sewage treatment facilities in the labour camps shall be commissioned. It is a common practice during construction phase to commission low cost sanitation treatment units; as such units are required only during the project construction phase. Similar measures shall be adopted for the proposed project as well.

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1.16 Facilities for long term housing of operational workers?

Yes A new township with various Residential and Non-residential Buildings, Hospital etc.

1.17 New road, rail or sea traffic during construction or operation?

Yes During construction phase, additional road traffic shall be generated, which will be reduced significantly after completion of construction, i.e. operation phase. The supply of construction material and plant equipment may also require transport by railways to the nearest railhead. There will be no sea traffic.

1.18 New road, rail, air waterborne or other transport infrastructure including new or altered routes and stations, ports, airports etc?

Yes Only new roads are planned for the project including widening/strengthening of existing roads. No rail/air/water borne infrastructure is planned.

1.19 Closure or diversion of existing transport routes or infrastructure leading to changes in traffic movements?

No

1.20 New or diverted transmission lines or pipelines?

Yes New transmission lines shall have to be constructed for evacuation of power. There will be no pipelines, but underground tunnels for transporting water.

1.21 Impoundment, damming, culverting, realignment or other changes to the hydrology of watercourses or aquifers?

Yes Damming of rivers with impoundment of water for power generation is envisaged.

1.22 Stream crossings? Yes

1.23 Abstraction or transfers of water form ground or surface waters?

Yes The project envisages the use of surface water for power generation, but the use of ground water sources is not envisaged, except for small quantities that may be required for townships.

1.24 Changes in water bodies or the land surface affecting drainage or run-off?

Yes The construction of dams would result in formation of reservoirs and reduced flows in downstream reaches.

1.25 Transport of personnel or materials for construction, operation or decommissioning?

Yes During construction, Main Plant Equipment, Construction Material, Fuel and Labour force etc. shall be transported

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through railways/roadways. During operation, Fuel Oil, Chemicals etc. shall be transported through rails/roads.

1.26 Long-term dismantling or decommissioning or restoration works?

No

1.27 Ongoing activity during decommissioning which could have an impact on the environment?

No

1.28 Influx of people to an area in either temporarily or permanently?

Yes There will be temporary influx of people during construction phase, which will reduce significantly after completion of construction. The Operation and Maintenance personnel shall be settled in Townships.

1.29 Introduction of alien species? Yes During construction some weedy species alien to the area might get introduced.

1.30 Loss of native species or genetic diversity? Yes Details are reported in EIA/EMP Studies

1.31 Any other actions No

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2. Use of Natural resources for construction or operation of the Project (such as land, water, materials or energy, especially any resources which are non-renewable or in short supply):

S. No. Information/checklist confirmation Yes/No Details thereof (with approximate quantities /rates, wherever possible) with source of information data

2.1 Land especially undeveloped or agricultural land (ha)

Yes As per the Land use derived by NRSC data, most of the area consists of forest, agriculture, pasture and fallow land.

2.2 Water (expected source & competing users) unit: KLD

Yes Being a hydro power project, it will utilize the water flow river after construction of dams. The domestic water requirement for township shall be negligibly small as compared to these flows.

2.3 Minerals (MT) No -

2.4 Construction material – stone, aggregates, and / soil (expected source – MT)

Yes Stone, aggregates, sand / soil shall be quarried locally, preferably from submergence areas.

2.5 Forests and timber (source – MT) Yes Use of timber is not envisaged. However, 49.6596 ha of land (of which 31.0756 ha is forest land) will be required for the construction of project components. To compensate the loss of forestland, compensatory afforestation plan has been prepared and being implemented in the area through the State Forest Department.

2.6 Energy including electricity and fuels (source, competing users) Unit: fuel (MT), energy (MW)

Yes The construction power shall be supplied from DG Sets to be installed for the project.

2.7 Any other natural resources (use appropriate standard units)

No

3. Use, storage, transport, handling or production of substances or materials, which could be harmful to

human health or the environment or raise concerns about actual or perceived risks to human health.

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S. No. Information/Checklist confirmation Yes/No Details thereof (with approximate quantities/rates, wherever possible) with source of information data

3.1 Use of substances or materials, which are hazardous (as per MSIHC rules) to human health or the environment (flora, fauna, and water supplies)

Yes During the process of construction of dams, HRTs, road construction etc. use of explosives is envisaged. Magazine will be constructed after obtaining license from Controller of Explosives and explosives will be stored and used as per the guidelines.

3.2 Changes in occurrence of disease or affect disease vectors (e.g. insect or water borne diseases)

Yes Sewage and solid waste generated at the construction staff colony/ project colony shall be adequately treated/ disposed to avoid water pollution and associated public health problems. Adequate measures will be undertaken to dispose the sewage and waste generated from the labour camps. Appropriate management measures have been worked out and recommended as a part of the Comprehensive EIA study.

3.3 Affect the welfare of people e.g. by changing living conditions?

Yes Project construction and operational will provide direct / indirect employment opportunity to locals and additionally due to large scale infrastructure development in the area, secondary income generation opportunities will also be available to the locals. Developer will also invest in Local Area Development for welfare of the people and living conditions are expected to have a positive change.

3.4 Vulnerable groups of people who could be affected by the project e.g. hospital patients, children, the elderly etc.,

No No displacement of village/settlement is taking place due to the project

3.5 Any other causes No

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4. Production of solid wastes during construction or operation or decommissioning (MT/month)

S. No. Information/Checklist confirmation Yes/No Details thereof (with approximate quantities/rates, wherever possible) with source of information data

4.1 Spoil, overburden or mine wastes Yes The muck generated during construction phase as a result of construction of HRTs, dams’ foundations, surge shaft and construction of roads, etc shall be disposed at designated disposal sites which shall be landscaped after completion of the construction.

4.2 Municipal waste (domestic And or commercial wastes)

Yes Municipal waste will be generated at the project site due to the presence of construction manpower. Appropriate measures have been worked out and recommended in Environment Management Plan (EMP) of the project. For disposal of sewage, septic tanks and soak pits will be constructed. Appropriate measures for solid waste management, including domestic sewage treatment have been proposed in EIA & EMP studies.

4.3 Hazardous wastes (as per Hazardous Waste Management Rules)

Yes Construction equipment and DG set operation will generate some hazardous waste at construction sites in terms of waste oil tanks, used oil, etc. Such waste will be disposed off at pre-designated hazardous waste disposal sites in compliance with Hazardous Waste (Management Handling and Trans-boundary Movement) Rules, 2009

4.4 Other industrial process wastes No

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4.5 Surplus product No

4.6 Sewage sludge or other sludge from effluent treatment

Yes During construction phase, septic tanks will be commissioned for treatment of sewage generated from labour camps. The septic tanks will be cleaned once in six months and the sludge so generated shall be disposed at the designated landfill site finalized in consultation with district administration.

4.7 Construction or demolition wastes Yes Muck will be generated during construction phase as a result of construction of HRTs, dams’ foundations, surge shaft and construction of roads, etc. It shall be disposed at designated disposal sites which shall be landscaped after completion of the construction.

4.8 Redundant machinery or equipment Yes The construction equipment & machinery will be removed from the project site by the project authorities after the project is completed or after the machinery/equipment become redundant.

4.9 Contaminated soils or other materials Yes However, some accidental spills from storage of fuels etc for generators could contaminate soils, if not handled properly. All precautions shall be adopted to avoid such incidents.

4.10 Agricultural wastes No

4.11 Other solid wastes No 5. Release of pollutants or any hazardous, toxic or noxious substances to air (Kg/hr)

S. No. Information/Checklist confirmation Yes/No Details thereof (with approximate quantities/rates, wherever possible) with source of information data

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5.1 Emissions from combustion of fossil fuels from stationary or mobile sources

Yes The operation of various construction equipments requires combustion of fuel. Normally diesel is used in such equipments. The major pollutant which gets emitted as a result is SO2. The particulate matter emission is minimum due to low ash content in diesel. The short-term increase in SO2 is expected to be quite low as different equipment will be operated at different time and different locations. Thus, no adverse impact on ambient air quality is anticipated. No fossil fuel will be required at the operational stage of the project.

5.2 Emissions from production processes No

5.3 Emissions from materials handling including storage or transport

Yes During construction phase, there will be an increase in vehicular movement. Construction material will be brought and stored at various sites. Due to blowing of wind especially when environment is dry, some of the stored material can get entrained in the atmosphere. Smoke from the construction equipment and also from Transporting Machineries will be generated due to use of fossil fuels. Adequate air pollution control measures have been proposed in the EMP to take care of such impacts.

5.4 Emissions from construction activities including plant and equipment

Yes

There will be emissions from construction activities including plant and machinery. Operation of Batching and Mixing Plant, Stone Crushers, Concrete Mixers, etc. would lead to fugitive emissions in the form of

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Particulates Matter (PM). Also, the operation of various construction equipment requires combustion of fuel (diesel) leading to SO2

emissions. The short-term increase in SO2, is expected to be quite low as different equipment will be operated at different time and different locations and no fossil fuel will be required at the operational stage of the project.

5.5 Dust or odours from handling of materials Including construction materials, sewage and waste

Yes Apart from the emissions as discussed above, sewage and solid waste will be generated from colonies of construction workers. If not handled properly may lead to odor problem. Additionally transportation and handling of wastes and construction material will also release fugitive dust in the atmosphere. All the wastes generated will be managed to have minimum environmental impacts and specific management plans have been prepared for different types of wastes and emissions and form part of Environmental Management Plan.

5.6 Emissions from incineration of waste. No

5.7 Emissions from burning of waste in open air (e.g.) slash material, construction debris)

No

5.8 Emissions from any other sources No

6. Generation of Noise and Vibration, and Emissions of Light and Heat:

S. No.

Information/Checklist confirmation

Yes/No Details thereof (with approximate quantities/rates, wherever possible) with source of information data

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6.1 From operation of equipment e.g. engines, ventilation plant, crushers

Yes Noise will be generated during construction phase as a result of operation of construction equipment. The noise likely to be generated due to operation of various construction equipment is given as below:

Equipment Sound level, dB(A)

Compressors 75-85

Cranes 82-85

DG Set 72-82

Concrete placer 70-80

Batching plant 75-85

Drilling machine 85-95

Crusher 68-70

Pump 68-70

Vibrators 69-81

EIA study includes noise impacts to predict the increase in noise level due to various construction activities including operation of various construction equipment, increased vehicular movement, etc.

6.2 From industrial or similar processes

No

6.3 From construction or demolition Yes Noise and vibrations will be generated due to operation of equipments for construction of projects such as Bulldozers, Dumpers, Scrappers, Rollers, etc. Most of these emissions will be temporary in nature and will occur only during construction stage of the project. However, proper noise control measures have been proposed in the EMP.

6.4 From blasting or piling Yes Blasting may be required for construction of diversion channel, HRTs, dams’ barrage foundations, surge shaft, construction of roads and construction material collection etc. This will be controlled blasting and shall take place during the daytime only. As this will be intermittent in nature and shall be for a very small durations, no serious impact is envisaged.

6.5 From construction or operational traffic

Yes During construction phase, there will be increase in vehicular movement for transportation of construction material. During construction phase, the increase in vehicular movement is expected to increase substantially.

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Based on past experience, impacts on ambient noise levels due to operation of construction equipment, and increased vehicular movement is not expected to be significant.

6.6 From lighting or cooling systems No

6.7 From any other sources No 7. Risks of contamination of land or water from releases of pollutants into the ground or into sewers,

surface waters, groundwater, coastal waters or the sea:

8. Risk of accidents during construction or operation of the Project, which could affect human health or

the environment

S. No. Information/Checklist confirmation Yes/No Details thereof (with approximate quantities/rates, wherever possible) with source of information data

7.1 From handling, storage, use or spillage of hazardous materials.

Yes The waste like used/waste oils that will be generated from the DG sets, transformer etc. will be stored in designated leak proof drums and auctioned to the registered vendors of the respective State Pollution Control Board or Central Pollution Control Board for recycling.

7.2 From discharge of sewage or other effluents to water or the land (expected mode and place of discharge)

Yes Discharge of sewage will be mainly due to presence of the construction manpower at the site. For disposal of sewage, septic tanks and soak pits will be constructed. Appropriate measures for domestic sewage treatment have been proposed in EIA & EMP studies.

7.3 By deposition of pollutants emitted to air into the land or into water

No

7.4 From any other sources No

7.5 Is there a risk of long term build up of pollutants in the environment from these sources?

Yes There will be build up of pollutants from Crusher Plants and running of heavy machinery which however will be of short term.

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S. No. Information/Checklist confirmation Yes/No Details thereof (with approximate quantities/rates, wherever possible) with source of information data

8.1 From explosions, spillages, fires etc from storage, handling, use or production of hazardous substances

Yes Blasting material may be used for excavation of foundation, head race tunnel and other underground structures. Adequate safety measures against fire and explosive etc. shall be ensured during the construction of the project.

8.2 From any other causes Yes There is a possibility of various types of accidents of various magnitudes during construction phase. To minimize their occurrence adequate safety measures will be adopted in design and additionally, to control minor accidents on sites, Safe Operating Procedures (SOPs) will be developed and implemented for all contractors activities.

8.3 Could the project be affected by natural disasters causing environmental damage (e.g. floods, earthquakes, landslides, cloudburst etc)?

Yes The project is located in Zone-IV as per revised seismic Zoning Map of India (BIS 1893 - 2002). The structural design adequately takes care of this aspect. Adequate preventive mechanism are inbuilt into the design of the project component to withstand the structure against the impact of these natural disasters which may strike the project component during its operation.

9. Factors which should be considered (such as consequential development) which could lead to

environmental effects or the potential for cumulative impacts with other existing or planned activities in the locality

S. No.

Information/Checklist confirmation Yes/No Details thereof (with approximate quantities/rates, wherever possible) with source of information data

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9.1 Lead to development of supporting. utilities, ancillary development or development stimulated by the project which could have impact on the environment e.g.:

Supporting infrastructure (roads, power supply, waste or waste water treatment, etc.)

housing development

extractive industries

supply industries

other

Yes The probable negative environmental effects of the development stimulated by the project having impact on environment have been studied in the EIA of the project and appropriate measures suggested in the EMP. As a part of Environmental Management Plan, following facilities are included for the construction staff/ technical staff likely to be deployed during project construction phase : Potable water supply Community toilets Sewage treatment Subsidised fuel like LPG/ Kerosene Solid waste management Dispensary/First-aid post

9.2 Lead to after-use of the site, which could have an impact on the environment

Yes The details are being worked out

9.3 Set a precedent for later developments Yes Job opportunity will improve significantly in the project area and its surrounding. At present most of the population sustain on agriculture and allied activities. There are no major industries or other avenues of occupation in the area. The project will open a large number of jobs to the local population both during construction and operation phases. The development of project will enhance the quality of life of the people living in and around the project by way of development of roads and communication, availability of reliable, dependable, un-interrupted power for development of small/medium industries, development of tourism etc. In addition to the above mentioned indirect positive development in the area, project

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developer will prepare a Local area Development Programme which would include Vocational training, incentives for small scale industries, encouraging setting up of value addition enterprises like food processing, etc. with the financial help from the project and active help and cooperation of local people.

9.4 Have cumulative effects due to proximity to other existing or planned projects with similar effects

Yes There is no upstream project planned on the river. However, Ralang (126 MW) HEP is proposed downstream of this project FRL of which is 926 m with MWL at 937 and top of dam at 940 m. Minimum TWL of Sada Mangder project is 981 m.

(III) Environmental Sensitivity

S. No. Areas Name/ Identity

Aerial distance (within 15 km.) Proposed project location boundary

1 Areas protected under international conventions, national or local legislation for their ecological, landscape, cultural or other related value

Yes Sada Dam site is about 6.5 km from Kangchendzonga national park and power house is about 3 km from Maenam wildlife sanctuary (Annexure IV). 31.0756 ha of Project affected area is forest land and thus is protected as per law.

2 Areas which are important or sensitive for ecological reasons -Wetlands, watercourses or other water bodies, coastal zone, biospheres, mountains, forests

Yes High to medium density forest patches exist in the project area on the slopes of the hills.

3 Areas used by protected, important or sensitive species of flora or fauna for breeding, nesting, foraging, resting, over wintering, migration

Yes This aspect has been studied in EIA studies in detail and presented.

4 Inland, coastal, marine or underground waters

Yes Project is on Rangit and Ralli Chu.

5 State, National boundaries No No national/state boundaries are involved in the project.

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ANNEXURE I: PROJECT LOCATION MAP

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ANNEXURE II: FCC OF STUDY AREA

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ANNEXURE III: PROJECT LAYOUT MAP

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ANNEXURE IV: MAP SHOWING PROTECTED AREAS IN VICINITY