supply of material for construction of drain balakram dalganjan singh public school ke samne sightuia me nala nirman karya balakram dalganjan singh public school ke samne sightuia me nala nirman karya karya , e/w in exacavation in trenches for foundation etc all complete as per s . i . no . 251 , providing and laying in cement concrete 1:4:8 ( 1 cement :4 fine sand : 8 graded stone aggregate 40 mm nominal size ) and curing complete , including cost of farmwork in foundation or sub base . as per s . i . no . 279 , class - 150 brick work in 1:4 cement and fine sand of 1 . 25 fineness modulous mortar in foundation and plinth including supply of all materials , labour and tools and plants etc . required for propper completion of work as per s . i . no . 305 , 12mm thick plastering in 1:4 cement and f/sand mortar in single coat of fair side of wall as per pwd si no 582 ( iv ) , providing and laying cement concrete in 1:2:4 ( 1 cement : 2 c/sand :4 gradded stone aggregate 20 mm nomonal size ) including supply of all material , labours and t&p etc . required for proper completion of the work up to plinth level . as per si no 279 ( a ) , r . c . c . work in 1:2:4 cement concrete with 20 mm guage grit etc all complete as per s . i . no . 283 , ms iron work for above item , earth filling back side item , supply and fixing of 20 mm thick granite stone information patiya 75cms x 60 cms size with m0150 class work in 1:4 cement , f/sand mortar etc all complete