Back to Contents

 STATUS OF SURVEY & INVESTIGATION OF HYDRO ELECTRICAL SCHEMES
(PART I)

Name of the Scheme

Selim HE Project

ROR / Storage

 2 X 85 (MW)

GENERAL INFORMATION

 

1.

State

Meghalaya

2.

Location :

Umsalang

 

Dam type , Height, Power House Surface/UG

Concrete  Gravity Type, Height 77 meters, Power House Surface.

(a)

Latitude of Dam/Power House

25° - 21’ – 41” N.

(b)

Longitude of Dam/Power House

90° - 11’ – 30” E.

 

General  Layout / Index map may please be furnished.

3.

District

Meghalaya

4.

Nearest G & D site

Near the Dam site.

5.

Catchment area ner G&D site

74.00 Sq Km

6.

Status of availability of G&D site

Approachable through footpath.

7.

Basin/River

Myntdu

8.

Catchment area (Sq Km)

174.00 Sq Km

9.

Type of Scheme (ROR/Storage/PSS)

Storage Schemes 

10.

Firm Power (MWc)

29.30 MW

11.

Annual Energy Benefits (GWh)

 i) 534.68 Gwh in 90% dependable year.

ii) 522.03 Gwh in 90% year on 95% available year 

12.

Inter State Aspect

Within the State itself

13.

International Aspect

Nil

14.

Defense Aspect

No defense Installation

15.

R&R Aspect

Does not arise

16.

Forest Area involved

To be taken up

17.

Geological problems anticipated, if any

Sub-surface Investigation is to be taken up.

18.

Accessibility – Nearest Rail Head/ Road and distance from the project.

Rail Head 193 KM

Road 15 Km

19.

Upstream scheme, if any

Nil

20.

Downstream scheme, if any

Nil

 

Project Features

21.

Type of Diversion Structure/Tunnel

 

a)

Number

1 No.

b)

Size

4.50 m ø

c)

Length

500 m

d)

Diversion discharge

53.3 cumecs

e)

FRL

1210 m

f)

MDDL

1191 m

g)

Live storage

99.47 cum

22.

Dam

 

a)

Type

Concrete Gravity

b)

Heightof Dam

77 m

c)

Top elevation of Dam

1213 m

d)

Deepest Foundation Level

1136 m

e)

Length of Dam at top

405 m

f)

Deepest river bed level at Dam site

1140 m

23

Water conductor system

 

a)

Type

D-Shaped

b)

Length

4.40 Km

c)

Diameter

3.50 m ø

24

Power House

 

a)

Type

Surface

b)

No. of Units

2

c)

Head (m)

433.67 m

25

Tail Race Water Conductor System

 

a)

Type

Open Channel

b)

Length

100 m

c)

Size

12.50 m width X 1.5m FSD

d)

TWL (m)

748 m

 

STATUS OF SURVEY & INVESTIGATION OF HYDRO ELECTRICAL SCHEMES

(PART II)

 

Name of the Scheme

Selim HE Project

ROR / Storage

2 X 85  MW

1.

Date of commencement of S&I

2006-2007

2.

Likely Date of completion of S&I

2007-2008

3.

Likely Date of completion of DPR

To be taken up (2008-2009)

4.

Estimated cost of S&I/DPR and Phasing of expenditure

Rs. 75.00 Lakhs

5.

Agency of Investigation (in case of Pvt. Agency, Name, Designation, Complete Adress, Telephone No. & Fax No. is to be indicated)

MeSEB.

6.

Details of Progress

Quantity Done                             Quantity to be done

       2%                                                  98%

a.

Tracer Path & Approaches

Trace Path completed

b.

Roads

Roads to be taken up

c.

Construction of Temp. building

Under construction

d.

Purchase of special T&P

Not yet taken up.

e.

Topographic Survey/Investigation

To be taken up.

f.

Cost Material (survey & Testing)

To be taken up.

g.

Hydrological observations

Data collected  since April 2006

h.

Meteorological

Data collected  since April 2006

I.

Environmental Surveys

To be taken up.

j.

Programme of works during the year yyyy-yy

 

k.

Overall progress of works

 

l.

Geological and foundation investigations

To be taken up.

 

In case it is not possible to give tentative quantity, it should be gives as percentage  Financial Progress.

7.

Estimated cost of Survey & Investigation, with price level year.

Rs. 485.00 Lakhs

8.

Expenditure incurred upto March 2006

Rs 1.00 Lakhs

9.

Expenditure incurred upto June 2006

Rs. 1.50 Lakhs

 

Expenditure incurred upto Sept 2006

Rs. 2.50 Lakhs

10.

Budget Estimate yyyy-yy

Rs. 50.00 Lakhs for three Projects

11.

Revised Estimate yyyy-yy

 

12.

Budget Estimate yyyy-yy

 

 

Bottlenecks if any.

Paucity of Fund and lack of man power.