Dam Rehabilitation and Improvement Project (DRIP) Sunday 19th February 2017, IIT Roorkee
Background Information • Key Chorological Events: DRIP Effectiveness Signing of April, 2012 Agreement Cabinet Dec, 2011 Approval Nov, 2011 EFC Approval M ay, 2011 Negotiations with Bank June, 2010 Project Duration: 6 Y ears (June, 2018) Project Oversight & Coordination by: CPM U in CWC
DRIP Components DRIP has three main components: • Project M anagement of DRIP is led by the Dam Safety Rehabilitation Directorate of the Central Water Commission as CPM U • Rehabilitation and Improvement of dams and associated appurtenances, focusing on structural and non-structural measures at around 217 project sites across 7 states. • Institutional Strengthening , focusing on regulatory and technical frameworks for dam safety assurance and including targeted national and international training 3
DRIP States DRIP involves 217 dam projects and 9 Implementing Agencies across 7 States: • M adhya Pradesh (M PWRD) • Orissa (OWRD) • Tamil Nadu (TNWRD and TANGEDCO) • Kerala (KWRD and KSEB) • Karnataka (KAWRD) • Uttarakhand (UJVNL) • J harkhand (DVC)
No. of DRIP Dams IA Wise DVC, 3 UJVNL, 5 M PWRD, 26 KAWRD, 22 KSEB, 12 OWRD, 26 KWRD, 16 TANGEDCO, 38 TNWRD, 69 5
DRIP IA-Wise Project Cost in INR Cr. DVC, 139.41 M PWRD, 314.54 UJVNL, 64.10 OWRD, 147.70 KAWRD, 276.75 CWC, 132.00 KSEB, 122.00 TNWRD, 485.40 KWRD, 158.00 TANGEDCO, 260.10 6
Background Project Funding (in Rupee Cr) • Project Cost: Project • Rupees:2100 crore Dam M anage Safety (US$: 437.50 M ) ment, Rehabilit Centre, Institutio 10% ation & • Cost Component: 26.4 nal Improve Strength • Project Funding: States, ment of ening, 393.6 Dams, • WB Share (80%): 8% 82% • US$(Initial): 350 M • US$(Rev.):279.3 M (US$M 70.7 surrendered in World Feb/ M ar 2014) Bank (50% IDA Credit & 50% IBRD Loan), 1680
Physical Progress Workflow of DRIP dams Design Award Project DSRP Tender * Project Flood Inspec- Docum of Comp- Screening Review tion ent(s) Work letion Template Ari Dam, M P Report * Project Screening Template is as per World Bank approved format (in line with Barna Dam, M P Non Structural M easures Detailed Project Report) and includes: Project details (e.g. Inflow Forecasting system, Dam Specific details Health Status of dam Reservoir Operation M anual, Rehabilitation proposal Emergency Action Plan, Public Kuttiyadi Dam, Kerala Chandpatha Dam, M P ESM F compliance Warning S ystem, Public Implementation arrangement Awareness Campaign etc.)
DRIP Physical Status (for 217 dam projects) 250 217 217 217 217 216 198 197 200 186 No. of Projects 150 100 50 0 Stage of Workflow 9
DRIP Workflow Status (as on 30/ 12/ 16) The proportion of the 217 dam projects having passed through each stage of the rehabilitation and improvement component workflow to date is presented below: PST Award of PST Received NIT Issued * Approved Work* 217 projects 216 projects 197 projects 186 projects 100% 99% 91% 86% 10
Common Observed Problems in DRIP Dams Seepage boils & leakage d/s of earth dams; Deformity & erosion of u/s and d/s slopes, erosion of abutments and settlement & cracks along dam crests; Excessive seepage through masonry/conc. dams; Cracks and pitting in spillways and outlet gate structures, erosion of energy dissipation systems; Deficiencies in gates and hoisting system; M alfunctioning of dam monitoring instruments. Under-designed spillways. 11
Time Extension • Time extension of DRIP was requested during 14 th TC meeting at Cochin on account of late work awarded. ear extension for all IA’s was agreed during 14 th TC meeting • 2 Y to accommodate projects with long construction period. • M oWR,RD&GR concurred the proposal of time extension by two year in Nov 2016 & directed CWC to submit the proposal to DEA/ World Bank • CWC has submitted proposal of time extension to DEA. 13
Cost Revision • Initial cost of DRIP Dams involved Rs. 2100 Cr. with Rs. 1610 Cr. as Component -1 (i.e. rehabilitation cost). • The cost of Rehabilitation works for 214 Dam Projects for which PSTs have been approved by World Bank is Rs. 2636 Cr. • Overall cost of DRIP for the approved Dam Projects is now revised to Rs. 3100 Cr. • All IA’s / SPM U’s were asked to obtain administrative & financial concurrence from their respective departments to take up the revised cost issue with the GoI & WB . 14
3 rd Party Construction Supervision Summary of activities: • 333 construction site visits have been completed for 143 dams • Third Party Quality Control laboratory tests completed in 55 Dams, with 18 dams of Odisha, 3 of M adhya Pradesh, 8 of Kerala and 26 of Tamil Nadu. • Urgent need for SPM Us to take note of the Construction Site Visit Reports of CPM U for undertaking corrective measures wherever they have been flagged • Urgent need for SPM Us to ensure Conditions of Contract are being complied with in terms of insurance, schedule, sufficiency of labour, staff and SHE provisions 15
Hirakud Additional Spillway Summary of progress: • Bid documents for left bank Additional Spillway approved by World Bank for INR 350 Cr. Approval of state Govt. is awaited . • Bid document for Spill channel and Phase 1 landscaping works to be prepared. • Detailed social survey for development of R&R scheme and forest clearance for 10 ha of land is in progress and needs to be expedited. 16
New Initiatives taken by CPMU • Quantitative Risk Assessment of Dams and Use of Risk Insights in M aintenance and Rehabilitation Decisions • CWC requested in November 2016 to USBR, USA and Alpiq, S wiss Govt. Utility to take up the study and submit the proposals. Proposal awaited from these institutes. • Seismic Hazard M apping for rest of India excl. Peninsular India • CWC requested CWPRSto take up this study and submit the proposal in November 2016. Proposal received from CWPRS and is under consideration. • EOI for empanelling the Agencies for supplying, operationalising, data collection, storage, transfer, analysis and operation and maintenance of dam instruments • EOI drafted and to be sent for NOC of World Bank and then M oWR • Draft technical specifications under finalization 17
Inundation Mapping and EAPs 18
Inundation Mapping and EAPs Summary of progress: • Inundation maps for 50 now completed • Copy of final EAPs awaited from these IAs • Inundation maps for 11 further dams in various States under finalisation 19
Aliyar Dam (TNWRD)
Institutional Strengthening 23
Institutional Strengthening Highlights of training and capacity building • 69 training programmes have been conducted for over 2,400 officials. • International Training on Dam Safety and Reservoir M anagement successfully held at Deltares, Netherlands for 17 participants from SPM Us & CPM U from M ay 23rd to June 3 rd , 2016 . • USBR Training held between June 6th and June 17 th , 2016 for 19 participants from SPM Us & CPM U at Denver and Seattle, US A. • 6 technical exposure visits to Japan involving 50 participants for seismic, desiltation, and other instrumentation. • Two National Dam Safety conferences organised in Chennai (M arch, 2015) and Bengaluru (January 2016). • Third National Dam Safety Conference scheduled on February 16th & 17th, 2017 in Roorkee in collaboration with UJVNL and IIT Roorkee. • Two International trainings [USBR,US A and Deltares, Netherlands] planned in FY 2017-18. 24
Participation of Academic Institutions Summary of activities: • Eight Institutes submitted proposals for capacity building – estimate about Rs. 20 crores • With Karnataka WRDO joining DRIP , IISc was also included • Proposal of IISC and IIT M adras have been cleared by the M inistry. M oU signed with these two institutes after approval of M oWRD . • Second NLSC meeting suggested inclusion of CSM RS and CWPRS in DRIP . • Overall estimate for capacity building ₹ 59.62 crores 25
Approach Road issue at Ashok Nalla Dam of Odisha 26
Gallery of Kuttiyadi Dam, Kerala 27
Derjang Dam of Odisha 28
Tighra Dam of M adhya Pradesh 29
M aneri Bhali Dam of Uttarakhand 30
Chandpatha Dam of M adhya Pradesh 31
Chimoni Dam of Kerala 32
Konar Dam of J harkhand 33
Upper Bhavani Dam of Tamilnadu 34
Upper Bhavani Dam of Tamilnadu 35
Recommend
More recommend
