Drainage Works Tenders

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. (A) Reference benchmark/working benchmark (As per drawing annex-I)

M&L for Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete all as specified and direted by Engr-in-charges.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete all as specified and directed.

drainage & water supply connection and minor correction to perform experienced in Lab shall be done by contractor at his

drainage & water supply connection and minor correction to perform experienced in Lab shall be done by contractor at his

making drainage opening wherever required