bids are invited for custom bid for services - excavation compaction of pond ash , custom bid for services - transportation of excavated pond ash from ash dykes of rihand in covered condition to designated sites of low lying area , custom bid for services - earth work in excavation and making the earth cover on ash filled area bunds for protection of ash filling by excavated earth , custom bid for services - compacted bentonite blended soil as impervious liner , custom bid for services - earthwork in foundation pcc random rubble masonry wall retaining wall dry stone pitching for slope protection as per direction of eic total quantity :