This is about Polavaram Multipurpose irrigation project which is located in Andhra Pradesh and known as life line of that state.

1. POLAVARAM PROJECT
LIFE LINE OF ANDHRA
PRADESH
J. SAI PRASANNA KUMAR
B. SIRIKANTH RAVI TEJA
II B.TECH.
CIVIL ENGINEERING
UCEN JNTUK NARASARAOPET

2. OBSERVE
ABSORB
APPLY

3. WHAT IS POLAVARAM PROJECT?
• FRL :45.72M
• GROSS STORAGE : 194TMC
• RMC : 80.09TMC
• LMC : 84.81TMC
• TO VISHAKAPATTANAM : 23.44TMC
• DIVERSION TO KRISHNA: 84.7TMC
• AYACUT : 7.5LAKH ACRES

4. FIRST PROPOSAL
RAMPADASAGAR DAM
• FRL : 59.4M
• STORAGE : 690 TMC
• SPILL WAY LENGTH : 1260M
• PMF : 21LAKH CUSEC
• COST : 129CR
• POWER : 150MW
• GATES : 16

6. WHY POLAVARAM IS LIFE LINE OF ANDHRA
PRADESH

7. WHY IT IS CONSTRUCTED ONLY THERE?

8. MAIN COMPONENTS
• EARTH CUM ROCK FILL DAM
• SPILL WAY
• COFFER DAMS[DOWNSTREAM AND UPSTREAM]
• TWIN TUNNELS
• CANAL REGULATORS
• APPROCH CHANNEL, SPILL CHANNEL AND PILOT CHANNEL
• POWER HOUSE
• RIGHT MAIN CANAL AND LEFT MAIN CANAL
• PATTISEMA LIFT IRRIGATION
• SADDLE DAMS
• ICONIC BRIDGE

10. SPILLWAY
• FRL :45.72M
• CREST LEVEL :25.72M
• LENGTH :1128.4M
• TRUNION LEVEL :35.5M
• ROAD TOP LEVEL :54M
• RADIAL GATE SIZE :16*20M

11. EARTH CUM ROCK FILL DAM
• LENGTH OF THE DAM : 1750M
• TOP OF BANK LEVEL :
+53.320M
• TOP WIDTH OF THE DAM : 15M
• BOTTOM WIDTH OF THE DAM : 330M
• GROSS STORAGE CAPACITY : 194TMC
• LIVE STORAGE :
75.20TMC
• HEIGHT OF THE DAM : 45M

12. DIAPHRAGM WALL
• LENGTH :1450M
• WIDTH :15M
• DEPTH : 40M TO 100M
• PURPOSE : TO PREVENT SEEPAGE

13. AT DIAPHRAGM WALL

14. COFFER DAM
• U/S LENGTH :2356M
• D/S LENGTH :1613M
• TECHNOLOGY :JET GROUTING

15. TWIN TUNNELS

16. HEAVY MACHINERY

17. NEW TECHNOLOGIES
• BENTONITE SLURRY
• PLASTIC CONCRETE
• JET GROUTING
• DESANDINATION PLANT

18. HEAVY VEHICLE MOVEMENT

19. PATTISEMA LIFT IRRIGATION
• NO OF PUMPS :24
• TOTAL DISCHARGE :24*10CUMEC
• HEAD :33M
• PUMP CAPACITY :5300HP
• MOTOR CAPACITY :6400HP
• POWER REQUIRED :113MW

20. CANAL HEAD REGULATORS

21. GATES

22. TELL ME AND I FORGET
TEACH ME AND I REMEMBER
INVOLVE ME AND I LEARN
THANK YOU