renovation of poonath subcentre ( 95/20 ) civil work , maintanace , 15 . 2 . 2 : demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in-charge . nominal concrete 1:4:8 leaner mix ( including equivalent design mix ) , 4 . 1 . 8 : providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:4:8 ( 1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size ) , 11 . 41 . 2 : providing and laying vitrified floor tiles in different sizes ( thickness to be specified by the manufacturer ) with water absorption less than 0 . 08% and conforming to is : 15622 , of approved make , in all colours and shades , laid on 20 mm thick cement mortar 1:4 ( 1 cement : 4 coarse sand ) , including grouting the joints with white cement and matching pigments etc . , complete . size of tile 600 x 600 mm . , 11 . 36 : providing and fixing i st quality ceramic glazed wall tiles conforming to is : 15622 ( thickness to be specified by the manufacturer ) , of approved make , in all colours , shades except burgundy , bottle green , black of any size as approved by engineer -in-charge , in skirting , risers of steps and dados , over 12 mm thick bed of cement mortar 1:3 ( 1 cement : 3 coarse sand ) and jointing with grey cement slurry @ 3 . 3 kg per sqm , including pointing in white cement mixed with pigment of matching shade complete . , 2 . 8 . 1 : earth work in excavation by mechanical means ( hydraulic excavator ) /manual means in foundation trenches or drains ( not exceeding 1 . 5 m in width or 10 sqm on plan ) , including dressing of sides and ramming of bottoms , lift up to 1 . 5 m , including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50 m . all kinds of soil , 60 . 7 . 1 : dry rubble masonry _ dry rubble without concrete levelling course masonry with good quality blasted rubble including packing to compactness to lines and levels cost and conveyance of all materials labour charges etc . complete as per direction of departmental officers at site , 4 . 1 . 5 : providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size ) , 4 . 3 . 1 : centering and shuttering including strutting , propping etc . and removal of form work for:foundations , footings , bases for columns , 50 . 6 . 7 . 2 : laterate masonry with neatly dressed laterate stone of size 40x20x15cm or nearest size in cement mortar 1:6 for super structure above plinth level up to floor two level including all cost of materials , labour charges etc . , 13 . 1 . 1 : 12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand ) , 51 . 2 . 3 : filling with quarry muck filling up low lying and water logged areas with local material/ quarry muck , spreading in layers , leveling the top at site and consolidation by ramming , etc complete for improving the cbr value of subgrade , od323541/2019_2020 : providing and laying 60 mm thick factory made cement concrete interlocking tiles of good quality made by block making machine with strong vibratory compaction , of approved size , design & shape , laid in required colour and pattern over and including 50 mm thick compacted bed of 6 mm stone aggregate , filling the joints with fine m . sand etc . all complete as per the direction of engineer-in-charge . ( based on 16 . 68 )