providing and laying 600 mm dia m.s pipe line across rme to increase the capacity of recharge of ground water table through dry portion of burari drain by usingexcess water of river yamuna during monsoon season for the year 2024-25.- 1 earth work in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by engineer-in-charge. all kinds of soil 2 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 (zone-iii) : 8 graded stone aggregate 40 mm nominal size) 3 brick work with common burnt clay f.p.s. (non modular) bricks of class designation 7.5 in foundation and plinth in: cement mortar 1:4 (1 cement : 4 coarse sand) 4 brick work with common burnt clay f.p.s. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor v level in all shapes and sizes in :cement mortar 1:4 (1 cement : 4 coarse sand) 5 centering and shuttering including strutting, propping etc. and removal of form for all heights :foundations, footings, bases of columns, etc. for mass concrete 6 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 20 mm nominal size). 7 12 mm cement plaster of mix :1:4 (1 cement: 4 coarse sand) with neat cement punning 8 filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. 9 providing mild steel pipes fabricated / manufactured out of ms plate of steel grade fe 410 as per is 3589:2001 or out of hr coils of same/equivalent grade; coated internally with food grade epoxy and externally/ outside with epoxy coating; complete in all respect as per relevant is codes with upto date amendments and as directed by engineer-in-charge. 900mm nominal dia (clear internal dia) pipes of 10mm thickness (min.).(23(a)(l) of djb) 10 installation of product pipe by auger boring method in mixed soil type at required depth to correct grade and alignment; complete as per specifications and as directed by the engineer-in-charge.(cost of projuct pipe, excavation of entry and exist pit, shoring/ strutting, backfilling, disposal of surplus earth, road cutting & restoration, dewatering etc will be paid separately).600-900 mm diameter. (4.1.4 of djb) 11 random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with :cement mortar 1:6 (1 cement : 6 coarse sand) 12 supplying and stacking of hard stone (for stone pitching) 22.5 cm thick at site. 13 extra for covering top of membrane with geotextile, 120 gsm non woven, 100% polyester of thickness 1 to 1.25 mm bonded to the membrane with intermittent touch by heating the membrane by butane torch as per manufactures recommendation 14 75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with : stone aggregate 40 mm nominal size 15 75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with : stone aggregate 20 mm nominal size 16 75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with : coarse sand. 17 dry stone pitching 22.5 cm thick laid in courses and required profile with hammer dressed stones having no side less than 15 cm, with minimum depth of 20 cm including preparing the bedding surface etc. all complete. (payment for stone to be made separately). 18 earth work in excavationand carraige by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out anddisposal of excavated earthwithin a mechanical lead of 10 km from site to shank no.7 & 8 and some different locations complete as per site conditions and direction of engineer in charge