| 1 | Conducting detailed topographical and contour survey, collection of field data, Design , detailed Engineering , preparation of construction drawings based on the stability analysis done by IIT Madras , and as-built drawings for Ash Dyke Bund Raising works, including submission of drawings for vetting/approval by IIT Madras and incorporation of their observations, etc., complete. Further, carrying out detailed engineering, design and preparation of drawings for Ash Slurry Pipeline modifications/realignment / laying of new pipe lines including structural supports (if any), thrust blocks, crossings, and allied civil works, submission for vetting/approval by Indian Institute of Technology Madras, as detailed in the Technical Specification. | 1.00 | LS |
| 2 | Providing and installing Vibro Stone Compaction piles of 800mm dia , 12.0 m depth at 1.90 m centre to centre spacing in a pattern as shown in the approved cross-section drawing using approved graded aggregates by vibro-replacement method or equivalent approved technique including boring/sinking to required depth, feeding and compacting aggregates in stages to achieve specified diameter and load carrying capacity & conducting load test, complete in all respects as per approved design and as detailed in the technical specification, including cost of all materials, labour, equipment, plant & machinery, leads & lifts, dewatering (if required), quality control tests and any incidental works, etc., complete. | 1.00 | LS |
| 3 | Providing and forming Embankment / Bund Raising by soil - pond ash mixture with clay core section clayey gravel outer cover of 2.0 m thickness on both upstream and downstream faces OR compacted soil with 98% proctor density (cross-section recommended by IIT Madras), including filling of eroded/damaged portions, dressing to required lines, levels and slopes and compacting in 250 mm thick layers (loose thickness) to achieve the specified density as per technical specification. The work shall include watering (wherever required), mechanical compaction using suitable rollers, trimming, slope finishing and carrying out all mandatory Quality Control tests (field density test, moisture content, gradation, etc.) at specified frequency including submission of test reports, complete in all respects as specified in the specification and including cost of all materials, labour, T&P, machinery, leads & lifts and incidental charges, etc., complete. | 1.00 | LS |
| 4 | Providing Internal drainage system including horizontal blankets (downstream & upstream), vertical chimney drain, rocktoe, toe drains, excavation, compaction to maximum relative density, testing etc., complete as detailed in the specification. | 1.00 | LS |
| 5 | Providing complete slope protection works including graded filters (sand + gravel), dry stone pitching (230 mm), turfing, rocktoe masonry, flush pointing, reconstruction of damaged slopes etc.,complette as detailed in the specification. | 1.00 | LS |
