tender for relaying of pipeline at koilpalayam street in thorapadi town panchayat- 1 earth work excavation in all classes of soils such as hard stiff clay, stiff black cotton, hard red earth, shales, murram, ordinary earth, earth mix with 50% fair sized boulders etc., with initial lead and lifts including laying, spreading, levelling, sectioning breaking clods etc., in all incidental charges etc., complete as per standard specification . 2 towards supply and delivery of 90mm dia pvc pipe 6kgincluding all labour charges etc., complete complying with standard specifications. 3 lowering pvc/ dwsc rigid pipes and specials to trench and laying to proper grade and alignment, jointing with pvc couplers with cement paste. 4 refilling in basement with excavated earth in layers of not more than 15cm thick well rammed and consolidated etc., complete