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Progress of Polavaram Irrigation Project, April 23rd - 29th, 2018

Overview of achievements and status updates for the Polavaram Project, including completion percentages, concrete works, structural progress, and future targets.

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Progress of Polavaram Irrigation Project, April 23rd - 29th, 2018

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  1. Progress during the period 23rd Apr - 29th Apr 2018 #58Virtual Review of Polavaram Project by Hon’ble Chief Minister Dt. 30th April 2018 Polavaram Irrigation Project Water Resources Department

  2. Project status • Head works – Main dam • Excavation for spillway & spill channel : 806.29 lakh cum completed out of total 1115.59 lakh Cum (72.30%). • Concreting for spillway & St. Basin: 5.76 lakh cum (excluding 1.65 L Cum of crevices filling) completed out of 16.39 lakh Cum (35.10%). • CC blocks concrete in spill channel (started on 23.04.2018) -1400 cum completed. • D’wall concreting done for 1214.6 Rm out of 1427/1397 Rm (85.10%). • Fabrication of Radial Gates completed for 10,800MT out of 18000 MT (60%). • Jet Grouting for d/s Coffer dam completed for 1098 m out of 1417m (78%). • Jet Grouting for U/s Coffer dam completed for 1153.5 m out of 2050 m (56.30%). • PIP– Main Canals • RMC : Excavation completed for total length of 177.9 Km (100%), Lining completed for 149.395 KM out of 176.20 Km (84.8%). Structures 185 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. * As per Revised estimate **As per out turn

  3. # percentage on total Qtty This week’s Progress in Nutshell (23rd April – 29th April)

  4. Excavation Status Target Date Aug’ 2018 Total Qty 124 L Cum Balance Qty 28.51 L Cum Target Date Dec’ 2018 Total Qty 50 L Cum Balance Qty 30.76 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 Sep’ 2018 Total Qty 163 L Cum Balance Qty 64.51 L Cum Target Date Aug’ 2018 Total Qty 448 L Cum Balance Qty 45.45 L Cum Target Date DEC’ 2018 Total Qty 131 L Cum Balance Qty 101.48 L Cum Qtty for CC Blocks &Embkt: 38.59 L cum Pilot Channel 902 Hill Target Date Mar’ 2019 Embt. Qty 7.79 L Cum Filters exvn Qty 30.78 L Cum Approach Channel Total Qty 161 L Cum Balance Qty Nil PERCENTAGE COMPLETION Spill Channel Spillway

  5. Earthwork - Progress Achieved (Period 23rd Apr – 29th Apr’18) *Total Quantity involved including excavation for CC Blocks, Filters, Qtty for Embkt., etc

  6. Revised Programme of Earthwork Excavation Revised on 16 Apr’18

  7. Details of Concrete Works

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

  9. Progress for the period : 32098 cum This Month(Apr, 2018)Cumulative : 1,15,658 cum Cumulative in March 18 : 91,761 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 : 5.76 + *1.65 L Cum Balance : 10.63 L Cum * Crevices/undulations

  10. Progress for the period : 1400 cum This Month(Apr, 2018)Cumulative : 1400 cum Total spill channel qtty. : 18.75 L Cum Total Executed : 1400 Cum Balance : 18.735 L Cum

  11. SPILLWAY CONCRETE PROGRAMME/PROGRESS BY NAVAYUGA

  12. SPILLCHANNEL CONCRETE PROGRAMME

  13. Progress of Diaphragm Wall during the period 23rd Apr – 29th Apr 2018 Ch.58m to 1485.6m Total no. of Panels : 400 , Completed : 326 Nos., Balance length: 212.4m

  14. Progress of Jet Grouting during the period (23rd Apr – 29th Apr’18) ** will be taken up after River diversion during May 2018. * 400m of River lean flow width is involved

  15. Schematic Diagram of Hydraulic Gates

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

  17. Elevation: +26.00 M Hydraulic Hoist Spillway Stop log Gates Elevation: +25.316 M River Sluice Gates Elevation: +17.30 M

  18. STATUS OF DESIGNS-ABSTRACT

  19. STATUS OF DESIGNS

  20. Dt. 29th April 2018 Main Works to be completed & Funds Required for River Diversion

  21. Polavaram Irrigation Project – Reimbursement Details

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

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

  24. Quality Control tests Conducted during 23rd Apr – 29th Apr’18

  25. Quality Control tests Conducted during 23rd Apr – 29th Apr’18

  26. Quality Control tests Conducted during 23rd Apr – 29th Apr’18

  27. Thank you

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