Osmania University Tender

drainage line;Constructing 904.0 mm (3?0?) dia brick masonry inspection chamber as per IS - 4111: Part-1:1986 with cement mortar (1:6) prop using 2nd Class Clay Bricks of 225 mm thick from approved source having a minimum crushing strength of 5 N/sq.mm including plastering with cement mortar 1:3 prop; ½? thick both inside and outside fitted with 20? dia RCC manhole covers and frames including excavating pits up to a depth of 904 mm (3'-0") in all sorts of soils (excluding rock) and laying cement concrete (1:4:8) 150 mm thick using 40 mm HBG Metal and P.C.C. 1:2:4 benching and channel 100 mm thick as per Standard specification and including cost and conveyance of all materials like cement, sand, bricks, water etc., to site, cost of seigniorage charges on all materials and all incidental and operational, labour charges like mixing cement mortar, constructing masonry, lift charges, curing etc., complete for finished item of work as per Standard specification.

drainage line;Raising of existing 3'-0" dia. Brick Masonry Inspection Chamber with C.M.(1:8) prop. Using 2nd class clay bricks of 225 mm thick from approved source having a minimum crushing strength of 5 N/mm2 for height of 600 mm including plastring with cement morter (1:4) prop. 1/2" thick both sides fitted with 32" dia. 20T RCC frame and cover in PCC(1:2:4)prop. 6" thick including cost and conveyance of all materials, labour, hire charges of all machineries and equipments and all other incidental charges etc., complete as per standard technical speciications and directions of the Engineer-in-charge of work.

drainage line;Constructing 457.2 mm x 457.2 mm (1'6"x1'6") brick in CM 1:6 prop. Masonry. Inspection chamber up to 914.4 mm (3'0") and fitted with light weight 457.2 mm x 457.2 mm (1'6"x1'6") C.I frame and cover of 20 Kg.