Replacement of 450mm dia Pumping main (most damaged portion ) at Thuraimangalam lake bund in Perambalur Municipality

Amount

Earth work excavating and depositing on bank with an initial lead of 2 meters and initial lift of 2metres in hard stiff clay, black cotton soil, hard red earth, shallow murrams, gravel stoney earth and earth mixed with small size of boulders and hard gravelly soil as per SS-20B

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supply and delivery of 50 mm/ PN.6/HDPE Pipe 'ISI'(PE 100 Grade)including cost and conveyance with ISI mark etc.complete as per standard specification .

Supply and delivery of 150mm Double Air Valve as per ISI 14845/2000 and with 5 years warranty including cost and conveyance with ISI mark etc.completi as per standard spedification.

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers

Refilling with excavated earth other than crushed stone sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

M.GNANAVEL (BID ID -1214374)