improvement of passage and drainage system at tiranga chawl , kamraj nagar in ghatkopar (e) beat no.133 n ward - 1 improvement of passage and drainage system 2 removing flooring. etc 3 excavation in earth 4 p/l r. c. c.channel250 mm q 5 p/l 1:4:8: c. c. forchannel250 mm dia 6 p/lupvcpipes 110 mm diameter 7 demolishing brick masonry 8 brick work infoundation 9 nominalmix 1:2:4 c.c.coping 10 providing cement plaster 11 p/f rcc cover and ms frame 12 p/l precast r.c.c. cover 13 removing & refixing g.i.pipe 14 p/f g.i. pipe 15mm 15 p/l 1:3:6: c. c. beddingfor ladi 16 p/f rough shahabad ladi 17 p/l pavement cushioning of40 mm 18 pro.cementpointing shahabad stone