Public Works Department Tender

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true to line and level and perfect linking of joints; Cast iron or Ductile iron or A.C. or S & S or flanged & PVC pipes.

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Construction of masonry chamber 90x90x100 cm inside in 40kg/sq. cm brickwork complete with 23 cms wall thickness and in cement mortar 1:4( 1 cement : 4 coarse sand) for sluice valve of sizes 100 mm, 120 mm 150 mm and 200mm dia with necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 coarse sand: 10 graded stone ballast 40 mm nominal size) and inside plastered with CM 1:3 ( 1 cement : 3 coarse sand) finished with floating coat of neat cement complete and chamber cover as specified below etc. all complete as per standard drawing . (rate is inclusive of rate earthwork excavation, cost of surface cover and all other materials and labour and as per details below); with C.I. Surface box 100mm top dia 160mm bottom dia and 160mm deep of wt 15kg inside with chain lid in 120 mm thick RCC slab cover in cement concrete 1:2:4 ( 1 cement: 2 coarse sand : 4 graded stone ballast 20 mm nominal size)