Issues for DPR_Loift and flow irrigation

Flow & lift irrigation DPR

1. Meeting with PMC Observations in Flow Irrigation Schemes, Lift Irrigation Schemes, and Tube wells Under HPCDP JICA –ODA Phase-II Hamirpur (H.P.) 26 th April, 2023

2. Diversion Weir/ Head Weir Diameter of Steel and Spacing Egis: 10 mm Dia. Bar having spacing 200mm C/C in M-20 Grade concrete. PMC: 8 mm Dia. Bar having spacing 150mm C/C in M-20 Grade concrete . Should Be Decided Apron Egis : Proposal in both upstream and downstream including Toe Wall Egis : L ength of Apron as per design. Egis: Layers in Apron (Boulder filling, RCC in M-20 Grade concrete) Should be Decided 3. Wing Wall Egis: Proposal in both upstream and downstream Should be Decided 4. Provision for Pump in Case of Water Harvesting Structure . Egis: Proposal of Dewatering & Desilting Egis: Proposal of Percolation Chamber with No Fine Concrete (1:4). 5 . Scouring Egis: Diameter of Scour Pipe 300 mm with Sluice Valve or 8mm thick MS Fish plate including MS Flange with nut & bolts. Should be Decided `

3. Standard Drawing of Head weir

4. Percolation Chamber adjacent to Weir

5. Percolation Well Size & Structure Egis: Diameter as per Design & Depth 7. 10 m Below Khad Bed Level/G.L and Pump House above Percolatio Well. PMC: Suggested Depth 10 m Below Khad Bed Level/G.L and Pump House above Percolations Well. Should Be Decided

6. Drawing of Percolation Well

7. Drawing of Percolation Well

8. Main Delivery Tank / Storage Tank Capacity, Shape & Size of Tanks Egis : Circular Tank (Capacity = 10,000 Liter ) in M-25 Grade Concrete. PMC : Rectangular Tank (Size 1.50 m x 1.50 m x 1.50 m) and (Size 1.20 m x 1.20 m x 1.20 m) in M-25 Grade Concrete. 2. Covering Arrangement over Tanks Egis: Steel Cover with Locking Arrangement having Angle Iron Frame and Flat Iron. Should Be Decided Circular Tank Rectangular Tank

9. Chambers (Intake, Hydrants, Regulation Chamber and Collection Chambers) Diameter of Steel and Spacing Egis: 10 mm Dia. Bar having spacing 200mm C/C in M-20 Grade concrete. PMC: 8 mm Dia. Bar having spacing 150mm C/C in M-20 Grade concrete. Covering Arrangement for Chamber Egis: Steel Cover with Locking Arrangement having Angle Iron Frame and Flat Iron. Should Be Decided Chamber with Steel Bar Dia. 10 mm @ 200 mm c/c Chamber with Steel Bar Dia. 10 mm @ 150 mm c/c

10. Cement Concrete lined Channel Size of Channel with Height greater than (0.60 m) 1. Diameter of Steel and Spacing Egis : Traverse bars and Longitudinal Bars 8 mm Dia. Bar having spacing 150mm C/C in M15 concrete. Should Be Decided

11. Main/Feeder Channel/ Field Channel Size Size of Existing Channels Less than 0.30 m Whether the size of channel be followed as per existing size or to be changed (As in case of FIS Pranu Malaun to Pranu Sainj Existing Channel Dimensions and proposal was (0.20 m x 0.20 m) but after PMC Observation Size was Changed to (0.30 m x 0.25 m) .

12. Desilting Chamber Desilting Chamber Egis: Drawing-1 with Baffle Wall or Drawing-2 with Hooper at base. 2. Diameter of Steel and Spacing Egis : Vertical Bars, Horizontal Bars and Base Steel (Top & Bottom Both Ways) 8 mm Dia. & Spacing 150 mm C/C. Should Be Decided

13. Drawing-1 Desilting Chamber (Channel)

14. Drawing-2 Desilting Chamber (Channel)

15. Nallah Crossings for Channels Nallah Crossing EGIS : Crossing by MSERW/G.I Pipe over Columns. PMC : Aqueduct Should be Decided MSERW/G.I Pipe over Columns Aqueduct

16. Energy Drop Structure in Channels Cascade Drop Structure EGIS: Drop Structure in Steps for Proposed Pucca Main Channel. Chute Drop Structure EGIS : Chute Drop Structure in Steps for Proposed Pucca Main Channel . Should be Decided

17. Cascade Drop Structure

18. Chute Drop Structure

19. Tube well 1. Development of Tube well Assembly EGIS:Tube well Assembly proposed inside Pump House. PMC: Pump House and Tube Well Assembly to be Proposed Separately. Should Be Decided