Drainage Works Tenders

Providing weep holes of clear size 63mm dia pipe in concrete as per drawing and direction of Engineer in charge with 63mm dia PVC pipe of 6kg pressure (II nd class) and keeping the same in position with a slope of about 1 vert to 20 horz towards drainage face while laying the concrete complete

Earthwork in excavation in the canals / drainage channels / borrow pits / River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer-in-charge. (a) Ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

make for drainage system pipe line, pipe shale jointed with

Setting out work completed with construction of reference benchmark/working benchmark (minimum 5per Km ), made of concrete M-10 of size 575x575x450mm with a base of size 900x900x100mm including white washing, marking of chainage, Levels etc.(As per drawing Annex-I) and reference pillars made of cut stone having minimun thickness 65 mm / precast concrete poles/concrete (M-10) filled AC pipes @ 100 m interval embaded in concrete base of M-10 of size 300x300x750mm on both sides of the formation width, marking on centre line setting out curves and recording of central line levels and other required levels and distances etc. including setting out of Cross Drainage structures with required reference pillers and marking etc. as directed by Engineer-in-Charge. The setting out work will be maintaind by the contractor till the completion of work.