Restoration of MI Schemes under Jolaibari Block of South Tripura District during the year 2026-27

Excavating trenches of required width for pipes, cables, etc. including excavation for sockets and dressing of sides ramming of bottoms , depth minimum 1.25m including getting out the excavated soil and then returning the soil as required in layers not exceeding 20 cm in depth including consolidating each deposited layers by ramming watering etc. and disposal of surplus excavated soil as directed within a lead of 50 m as per CPWD Specification & direction of Engineer-in-charge. A) All kinds of soil. a) For pipes exceeding 90 mm dia but not exceeding 300 mm dia

b) For pipes exceeding 300 mm dia but not exceeding 600 mm dia

Providing and laying different dia rigid UPVC pipes of Working Pressure 2.5 kg/4.0 kg/ sq.cm. complete with necessary coupler and solvent cement as per CPWD Specification & direction of Engineerin-charge. i) 90mm dia

ii) 110mm dia

iii)140mm dia

iv) 160mm dia

v)200mm dia

vi) 250 mm dia

vii) 315mm dia

Providing and fitting fixing rigid UPVC Reducing socket (one size lower at one end, both end socketted) suitable for pipes of Working pressure 2.5/4.0 kg/sq.cm. as per CPWD Specification & direction of Engineer-in-charge. 315x250 mm dia