supply of hume pipe, river bed materials and gunny bags at diffrents wards under siliguri municipal corporation.-supplying empty cement bags in good condition ( adding 18% gst with rate ) 2 filling empty cement bags with dry earth or sand, stitching the bag ( cost of thread included ) and carrying and placing them in position and all incidental charges complete but excluding cost of sand and gunny bags. ( adding 12% gst with rate ) 3 supplying of medium sand from river bed to site ( distance= 10 km ) incl. loading materials & unloading at site including necessary carriage by head ( adding 5% gst with rate ) 4 within a lead of 50m 5 medium sand 6 providing and laying reinforced cement concrete pipenp3 with spigot socket for culverts in single row including fixing with cement mortar 1:2as per technical specificationclause 1106 for rural roads of mord. 7 600 mm dia metre 8 providing and laying of filter media with granular materials / stone crushed aggregates / brick aggregates / river bed materials satisfying the requirements laid down in clause 2504.2.2 of mort&h specifications to at hickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and technical specification. 9 18% gst 10 1% cess