Maithon dam

48 km from Dhanbad, Maithon is termed as mother’s abode. It has the biggest reservoir in DVC. Conceived on the lines of Tennessee Valley, USA it has been designed for flood control & generates 60,000 kW of electric power. It is built on the river Barakar.

1. MAITHON DAM KASHMIR OF KOYLANCHAL

2. ACKNOWLEDGEMENT I would like to express my special thanks of gratitude to Prof. A. K. Choudhary   as well as my colleagues who gave me the golden opportunity to do this wonderful assignment on the topic ” MAITHON DAM ” , which also helped me in doing a lot of research and I came to know about so many new things I am really thankful to them. Secondly I would also like to thank my friends who helped me a lot in finalizing this assignment within the limited time frame. 2 Subham Modi 23 rd Oct, 2018

3. INTRODUCTION MAITHON DAM (MOTHER’S ABODE) LOCATION- DHANBAD DISTRICT (JH) IMPOUNDS BARAKAR RIVER OPENING DATE- 27 TH SEPTEMBER, 1957 OWNER- DVC (DAMODAR VALLEY CORPORATION) 3 Subham Modi 23 rd Oct, 2018

4. HISTORY SERIOUS FLOOD 11 TIMES (1730-1943). FLOOD (WORLD WAR II) CUT OFF CALCUTTA FOR 10 WEEKS. DAMODAR FLOOD ENQUIRY COMMITTEE: 1943 (G.O.B.). Mr. Voorduin- DESIGNED THE PLAN OF DAM BY 1945. DAMODAR VALLEY CORPORATION (FIRST MULTIPURPOSE RIVER VALLEY PROJECT OF INDEPENDENT INDIA) 7 TH JULY, 1948 CONSTRUCTION OF FOUR DAMS. 4 Subham Modi 23 rd Oct, 2018

5. DAMS FIRST DAM OF INDEPENDENT INDIA TILAIYA 21 ST FEB,1953 KONAR 15 TH OCT,1955 $1,500,000 Category Title MAITHON 27 TH SEP,1957 PANCHET 6 TH DEC,1959 $1,500,000 Category Title 5 Subham Modi 23 rd Oct, 2018

6. DAM’S MISSION 1 FLOOD CONTROL DESIGN FLOOD OR SPILLWAY CAPACITY OF 13,592 m 3 /s. NAVIGATION AND DRAINAGE. 2 WATER SUPPLY PROMOTION & OPERATION OF SCHEMES FOR IRRIGATION. WATER SUPPLY FOR DOMESTIC & INDUSTRIAL USE. .IRRIGATION 2,70,000 ACRES 3 POWER GENERATION, OPERATION & DISTRIBUTION OF ELECTRICAL ENERGY. 6 Subham Modi 23 rd Oct, 2018

7. CATCHMENT AREA THE AREA FROM WHICH RAINFALL FLOWS INTO A RIVER, LAKE, OR RESERVOIR. 6391.74 Km 2 USING SRTH-DEM. SPREAD OVER DISTRICTS DHANBAD, JAMTARA, GIRIDIH, KODERMA, HAZARIBAG & CHATRA OF JHARKHAND. 7 Subham Modi 23 rd Oct, 2018

8. SALIENT FEATURES GENERAL OVERVIEW & HYDROLOGICAL OVERVIEW 8 Subham Modi 23 rd Oct, 2018 GENERAL OVERVIEW Inauguration 27 th Sept, 1957 River Barakar Location Dhanbad State Jharkhand HYDROLOGICAL OVERVIEW Catchment Area (Km 2 ) 6391.74 Avg. Annual Precipitation (cm) 114 Avg. Annual Runoff (MCM) 2700

9. SALIENT FEATURES STRUCTURAL OVERVIEW 9 Subham Modi 23 rd Oct, 2018 STRUCTURAL OVERVIEW Type Composite Maximum Height Above Foundation(m) 56.08 Overall Length (m) 4426.76 Overflow Section (m) 360 Width at Top (m) 6.71 Width at Base (m) 10.67 Type of Spillway Ogee Crest Gate Type Tainter Crest Gate Number 12 Crest Gate Size (m x m) 12.19 x 12.5 Under sluice Type Vertical Lift Under sluice Number 5 Under sluice Size (m x m) 1.73 x 3.05

10. SALIENT FEATURES RESERVOIR OVERVIEW 10 Subham Modi 23 rd Oct, 2018 RESERVOIR OVERVIEW Dead Storage Level (m) above MSL 132.59 Dead Storage (MCM) 93 Conservation Level (m) above MSL 146.31 Conservation Storage (MCM) 441.64 Full Reservoir Level (m) 152.4 Gross Storage Capacity (MCM) 1093.54 Dam Top Level (m) 156.06 Crest Level (m) 140.21 Minimum Drawdown Level (m) 132.59 Maximum Water Level (m) 150.88 Maximum Area of Water Spread (Km 2 ) 99.55

11. POWER CAPACITY Hydropower is currently the second most used renewable energy source in the world, just behind solid biomass. In terms of electricity production, hydro power is the most important renewable energy source, both in the EU and globally. HYDEL POWER PLANT MAITHON HYDEL POWER LTD. 60,000 KW (3 UNITS OF 20 MW EACH). FIRST OF ITS KIND IN THE WHOLE OF SOUTH EAST ASIA.. UNDERGROUND POWER STATION (100 ft. BELOW WATER LEVEL). THERMAL POWER PLANT MAITHON THERMAL POWER LIMITED. 1050 MW OWNED BY MAITHON POWER LIMITED (JOINT VENTURE BETWEEN DVC AND TATA POWER). 11 Subham Modi 23 rd Oct, 2018

12. PROBLEMS 1 CONFLICT POWER GENERATION- RESERVOIR SHOULD BE FILLED AS MUCH AS POSSIBLE. FLOOD CONTROL- WATER STORAGE SHOULD BE LOWERED. KEPT AT OPTIMUM LEVEL TO SATISFY BOTH PARTIES. 2 SEDIMENTATION DESIGN CARRYING CAPACITY: 28,000 m 3 /s. CAPACITY AT TIME OF CONSTRUCTION: 7100 m 3 /s. PRESENT CARRYING CAPACITY: 2,800 m 3 /s. COST OF REMOVING SILT IS EQUAL TO THE CONSTRUCTION OF NEW DAM. 3 AGE OF SERVICE MAITHON DAM HAS COMPLETED 61 YEARS IN SERVICE. SUCH LONG AGE OF SERVICE NATURALLY HAS AN EFFECT ON STRUCTURE, INSPITE OF REGULAR MAINTENANCE. 12 Subham Modi 23 rd Oct, 2018

13. REFERENCES W IKIPEDIA.ORG DVC .GOV.IN EJ ATLAS.ORG INDIA-WRIS .NRSC.GOV.IN 13 Subham Modi 23 rd Oct, 2018

14. THANK YOU! SUBHAM MODI REG. NO: xxxx Email: [email protected] PHONE NO. +91-XXXXXXXXXX