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Progress Update: Polavaram Project Review on 19th March 2018

This week's progress update on the Polavaram Irrigation Project, including the status of various construction works and completion percentages.

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Progress Update: Polavaram Project Review on 19th March 2018

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  1. Progress during the period 12th Mar – 18th Mar 2018 #54 Virtual Review of Polavaram Project by Hon’ble Chief Minister Dt.19 March 2018 Polavaram Irrigation Project Water Resources Department

  2. Project status • Head works – Main dam • Excavation for spillway & spill channel : 782.81 lakh cum completed out of total 1115.59 lakh Cum (70%) • Concreting for spillway & St. Basin: 4.14 lakh cum (excluding 1.65 L Cum of crevices filling) completed out of 16.39 lakh Cum (25.30%) • D’wall concreting done for 1049.6 Rm out of 1427 Rm (73.6%) • Fabrication of Radial Gates completed for 10,450MT out of 18000 MT (58%) • Jet Grouting for d/s Coffer dam completed for 1098m out of 1417m (78%) • Jet Grouting for U/s Coffer dam completed for 525 m out of 2050 m (25.6%) • PIP– Main Canals • RMC : Excavation completed for total length of 177.9 Km (100%), Lining completed for 146.11 KM out of 177.9 Km (82%). Structures 182 completed. • LMC : Excavation completed for 164.748 Km out of 210.927 Km (78%), Lining completed for 124.593 KM out of 210.927 M (59%). Structures 137 Completed.

  3. CONSTRUCTION PROGRAMME OF DAM PACKAGE As on Dt. 19 March 2018

  4. This week’s Progress in Nutshell (12th March. to 18th March)

  5. Excavation Status Target Date Jun’ 2018 Total Qty 124 L Cum Balance Qty 29 L Cum Target Date Jun’ 2018 Total Qty 50 L Cum Balance Qty 31 L Cum Left flank Godavari River 26% U/S Coffer dam Godavari River D/S Coffer dam ECRF dam Target Date Jun’ 2018 Total Qty 163 L Cum Balance Qty 70 L Cum River diversion Target Date Jun’ 2018 Total Qty 163 L Cum Balance Qty 70 L Cum Target Date Jun’ 2018 Total Qty 131 L Cum Balance Qty 101.48 L Cum Target Date Jun’ 2018 Total Qty 448 L Cum Balance Qty 63 L Cum Qtty for CC Blocks &Embkt: 38.59 L cum Pilot Channel 902 Hill Approach Channel Total Qty 161 L Cum Balance Qty Nil PERCENTAGE COMPLETION Spill Channel Spillway

  6. Earthwork - Progress Achieved (Period 12th – 18th Mar’18) *Total Quantity involved including excavation for CC Blocks, Filters, Qtty for Embkt., etc

  7. Revised Programme of Earthwork Excavation

  8. Details of Concrete Works Revised Dt. 19 March 2018

  9. Physical Status of Spill Way & Stilling Basin Concrete * Crevices/undulations

  10. Progress for the period : 21383 cum This Month(Mar,2018)Cumulative : 45061 cum Cumulative in Feb‘18 : 40,077 cum Cumulative in Jan‘18 : 25,500 cum Cumulative in Dec ‘17 : 55,685 cum Cumulative in Nov : 44,651 cum Cumulative in Oct : 57,156 cum Cumulative in Sep : 60,950 cum Cumulative in Aug : 64,559 cum Cumulative in July : 78,860 cum Cumulative in June : 33,529 cum Cumulative in May : 30,063 cum Cumulative in Apr : 19,754 cum Cumulative in Mar : 17,832 cum Cumulative in Feb : 3,118 cum Cumulative in Jan‘17 : 2,076 cum Cumulative in Dec’16 : 90 cum Total spillway qtty. : 16.39 L Cum Total Executed : 4.14 + *1.65 L Cum Balance : 12.25 L Cum * Crevices/undulations

  11. REVISED PROPOSALS AS PER M/S NEC SPILLWAY CONCRETE PROGRAMME/PROGRESS BY NAVYUGA

  12. SPILLCHANNEL CONCRETE PROGRAMME

  13. Progress of Diaphragm Wall during the period 12th Mar – 18th Mar 2018 ch.58m to 1485.6m Total no. of Panels : 400 , Completed : 275 Nos.

  14. Schematic Diagram of Hydraulic Gates

  15. Elevation: +25.185 M Programme & Progress - Gate Leaf

  16. Elevation: +26.00 M Hydraulic Hoist Spillway Stop log Gates Elevation: +25.316 M River Sluice Gates Elevation: +17.00 M

  17. Progress of Jet Grouting during the period (12th Mar – 18th Mar’18) ** will be taken up after River diversion during March 2018. * 400m of River lean flow width is involved

  18. Status of Designs

  19. DETAILS OF DESIGNS – PENDING STAGE

  20. Contd.. DETAILS OF DESIGNS – PENDING STAGE

  21. Works to be completed for Flood Diversion through Spillway

  22. Polavaram Irrigation Project – Reimbursement Details

  23. For EL + 45.72 m (FRL) LA and R&R Status (L.A, Submergence, Land to Land and Housing)

  24. For EL + 41.15 m LA and R&R Status (L.A, Submergence, Land to Land and Housing)

  25. Quality Control tests Conducted during 12th Mar – 18th Mar’18

  26. Quality Control tests Conducted during 12th Mar – 18th Mar’18

  27. Quality Control tests Conducted during 12th Mar – 18th Mar’18

  28. THANK YOU

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