CONSTRUCTION OPERATION AND MAINTENANCE OF STP FOR RANI TALAB IN CHAKRADHARPUR NAGAR PARISHAD DISTRICT WEST SINGHBHUM

Earth work in excavation in foundation trenches in ordinary soil ( vide classification of soil item A) and disposal of excavated earth as obtained to a distance upto 50M including all lifts leveling ramming the foundation treanches, removing roots of trees, and shrubs all complete as per approved design, building specification and direction of E/I.

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

Earth filling in foundation trenches and plinth in layers not exceding 150 mm thick well watered, rammed, fully compacted and fine dressed with earth obtained from excavation of foundation trenches within a lead of 50 M and lift of 1.5 M all complete as per building specification and direction of E/I. (mode of measurement compacted volume)

Earthwork in backfilling structures in layers not exceeding 150mm thick with previous or semipervious or suitable soil from borrow pits free from logs, roots, or any other ingredients by manual excavation and carraige by truck with all lifts including watering ramming, fully compacted and finely dressed, complete job as per specification and direction of E/I. BEYOND 1/2KM but upto 1 km.

Providing coarse clean sand in filling in in foundation trenches or in plinth including ramming and watering in layers not exceeding 150mm thick with all leads and lifts including 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 taxes 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 : 1:3:6 (1 Cement : 3 coarse sand (zone-III): 6 graded stone aggregate 40 mm nominal size)

Providing RCC M200 with nominal mix of (1:1.5:3) infoundation and plinth with approved quality of stone chips 20mm to 6mm size graded and clean coarse sand of FM 2 to 3 including screening, shuttering mixing cement concrete in mixer and placing in position, vibrating striking , curing (but excluding the cost of reinforcement) ,taxes and roylity all complete as per building specification and direction of E/I

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).