MUTTAKKAD DRINKING WATER SCHEM MAINTENANACE Pro-253-23 NJR GP-General Civil Work

Amount

pipe maintenence

18.19.5.1:Providing and fixing gun metal non-return valve of approved quality (screwed end): 65 mm nominal boreHorizontal

18.37.1:Constructing masonry chamber 60x45x50 cm inside, in brick work in cement mortar 1:4 ( 1 cement : 4 coarse sand) for water meter complete with C.I double flap surface box 400x200x200 mm ( inside ) with locking arrangement and RCC top slab 1:2:4 mix ( 1 cement : 2 coarse sand : 4 grades stone aggregate 20 nominal size), i/c necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 ( 1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design:With common burnt clay F.P.S. ( non modular ) bricks of class designation 7.5

18.17.4:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :50 mm nominal bore

50.18.9.6.1:Providing and fixing PVC pipes includings jointing of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 50 mm dia 10Kgf/cm2

50.18.9.7.1:Providing and fixing PVC pipes includings of pipes with one step PVC solvent cement, trenching refilling & testing of joints complete as per direction of Engineer in Charge. 63 mm dia 6Kgf/cm2

K T RAVINDRAN NAIR

Bidder Name

K P BABY

K T RAVINDRAN NAIR