CONSTRUCTION OF BLOCK PUBLIC HEALTH UNIT AT SADAR GUMLA DIST GUMLA

Earthwork in excavation in foundation Trenches in ordinary soil (vide classification of soil item -A) and disposal of excavated earth a obtained to a distance Up to 50M including all lifts with leveling remming the foundation trenches removing roots of trees shurbsall complete as per approved design, building specification and direction of E/I

Extra for earth work in hard soil as per specification and direction of E/I. (vide classification of soil item -A)

Earth filling in foundation trenches and plinth in layer not exceeding 150mm thick will watered rammed fully compacted and fine dressed with earth obtained after cutting within a lead of 50mm and lift of 1.5M all complete as per building specification and direction of E/I. (Mode of measurement compacted volume).

Providing coarse clean sand in filling in foundation trenches or plinth including ramming and watering in layers not exceeding 150mm thick with all leads and lifts includng cost of all materials, Labour, royalty and taxes all complete as per building specification and direction of E/I (Mode of measurement compacted volume).

Providing designation 75B one brick flat soling joints filled with local sand including cost of watering texes royalty all complete as per building specification and direction of E/I.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level: 1:2:4 (1 Cement : 2 Coarse sand (zone -III) : 4 Graded stone aggregate 40 mm nominal size)

Providing and laying damp-proof course 50mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 20mm nominal size). (5.3.5.)

Providing 150mm. Wide brick drain in cement mortar (1:6) with av. 150mm clear depth and 125mm apron including cost of eartwork involved with 75mm cement concrete (1:4:3) over one brick designation 75A flat soling in proper grade and slope at the base the drain duly plastered in C.M. (1:3) with punning over exposed surface all complete as per building specification and direction of E/I

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth

Providing and laying in position specified grade of reinforced cement concrete, exluding the cost of centering, shuttering, finishing and reinforcement- all work up to plinth level. 1:1.5:3 (1 cement: 1.5 coarse sand (zone-iii): 3 graded stone aggregate 20 mm nominal size).