supply of material under the conservation of rajon ki bain with mosque and chatri, new delhi as specified in the boq supply of material under the conservation of rajon ki bain with mosque and chatri, new delhi as specified in the boq , conservation work , unslaked lime ( in proper airtight bags / packing ) , surkhi ( made of 1st class brick and well-graded as per site / site in-charge requirements and must be free from clay / silt / organic matters / foreign matters / etc. ) , coase sand sand ( must be free from clay / silt / organic matters / foreign matters / etc. ) , belgiri ( in dried form and airtight packings ) , gur , gum ( dried in packings ) , san , dq stone , brick aggregate 20mm nominal size ( must be free from clay / silt / organic matters / foreign matters / etc. and well-graded ) , stone aggregate 20 mm nominal size drs rates , stone aggregate 10 mm nominal size drs rates , c. sand dsr rates , portland cement ( 0.15674 cum ) dsr rates , hiring pumpset , tractor trolley , hiring water tanker