tender for arm of external sewerage network of 30th bn itbp campus at jalandhar, for the year 2023-24.; 1 cleaning of chocked sewer lineand desilting of manholes. 2 cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 psi for sewer line from 150mm dia upto 300mm 3 repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking outjoints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meter lead : with cement mortar 1:4 ( 1 cement : 4 fine sand )