laying of pvc pipe line work from bus stand to jaya hospial (left side) @ sriperumbudur town panchayat - earthwork excavation in all soils except hard rock soil including de-watering wherever necessary and refilling the earth after completion of work etc., complete as per the standard specification. (for linear measurement basis) 2 supply and delivery of 90mm dia 6ksc pvc pipeincluding cost and conveyance of material and labour charges etc., complete as per standard specification 3 lowering the 90mmpvc pipe into the trenches by proper alignment and gradient including all labour charges and fixing charges, fixed by pvc solution etc,complete as per standard specifications. 4 supply and delivery of 140mm dia 6ksc pvc pipeincluding cost and conveyance of material and labour charges etc., complete as per standard specification 5 lowering the 140mmpvc pipe into the trenches by proper alignment and gradient including all labour charges and fixing charges, fixed by pvc solution etc,complete as per standard specifications. 6 refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officersin layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification 7 supply and fixing of following water supply speicals including cost and conveyance of materials and labour charges etc.,complete 90mm pvc tee 8 90mm pvc bend 9 90mm pvc endcap 10 140mm pvc tee 11 140mm pvc bend 12 140mm pvc endcap 13 100mm gi pipe