tender for extension of pipeline at ward no.11 kovai main road in rudravathi town panchayat.; 1 supply and delivery pvcpipe from approved company and including cost and conveyance of materialto site etc., complete complying with standard specifications. 90mm dia 2 earth work excavation for foundation in all soils and sub soils and to full depth as may be directed except in rock requiring blasting but inclusive of shoring, strutting and baling out water wherver necessary as per ss 20 b etc., complete complying with standard specifications. 3 conveyance and loweringpvc pipes and specials into trenches laid to grade and alignment and charges for testing of pipe line with water and including complete complying with standard specifications.. 4 refilling with excavated earth and including cost and conveyance of all materials and stacking them at road side to departmental gauge for pre-measurement including all labour charges for filling etc., complete as per standard specification.