Cleaning and removal of hard deposited material from 150 mm GI pipe lines (2 No in parallel) leakage water pipe line and from drains along the way of approach tunnel to Machine Hall and from existing fibre channels, PVC pipes of Bus Shaft at Pench H

Amount

Cleaning and removal of hard depossitted calcareous material by way of engaging labours for cleaning of choked pipes of 150MM dia(2No in parallel) leakage water pipe line from escape tunnel collection tank to Hoist chamber in Machine Hall i/c all labour T&P etc complete as per direction of Engineer In Charge, at Pench HPS Totladoh. (NSOR Rate Rs 273/- per RM)

Cleaning and removal of hard deposited calcareous materials by 1500 Watt single phase Concrete Excavator from approach tunnel drains (250x100mm and 150x100mm on either sides), drain near Surge Tank, and seepage water collection tank etc i/c collection of wastage materials and its disposal manually or by mechanical means at least 200 m away from the entrance gate of approach tunnel i/c all leads and lifts of material as per direction of Engineer Incharge. (NSOR Rate Rs 6555/- per RM)

Removal of loose and hard depossited calcarious material from existing fibre channels (200x150mm and 100x150mm) of Bus Shaft and emoving blockages from existing PVC pipes along with disposal of loose debries and material outside the Bus Shaft at appropriate locations with all lead and lifts, T&P, labour input, necessary arrangements for lighting and scaffolding etc, complete as per direction of Engineer - In - Charge. (NSOR Rate Rs 691/- per RM)

Providing and fixing rigid class II pressure pipes (with working pressure of 4Kg/cm2) as per IS 4985-1988(second version), 80mm to 10mm dia, with connections and fittings, jointing water tight with jointing materials,etc by making holes for PVC pipes in channels, lighting arrangement and scaffolding with all lead and lift etc complete as per direction of Engineer -In -Charge. (NSOR Rate Rs 1149/- per RM)

Installation and errection only for removal of horizontal and vertical supports , planks/challies of platforms, bracings, clamps etc (due to starting the machines after completion of shut down period) which obstruct the E&M equipments of Bus Shaft during running of Machines /Units and again their recreation for execution of above work as per direction of Engineer -In -Charge. (NSOR Rate Rs 13437/- per RM)