preparation of comprehensive detailed project report ( dpr ) for conservation and restoration of bada talab and sola rahi at rewari , haryana , carrying out of survey , measured drawing , , architectural designing , structural designs & working drawings necessary for the restoration of the various heritage sites including documentation using 3d lidar survey , preparation of existing 2d drawings using 3d lidar data , preparation of detailed estimates of quantities and costs , tender documents for tendering by prospective bidders , giving necessary guidance and explaining the drawings to the selected contractor during execution of the work for conservation and restoration of bada talab & sola rahi , rewari