SPECIAL REPAIR REPLACEMENT OF CI PIPE LINES AND CONNECTED WORKS IN TECH AREA AT AF STN BAMRAULI UNDER GE AF BAMRAULI

Excavation in soft/loose soil trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr deep and getting out incl old U/s cable cover of ant type , taking out/laying/cleaning/repairing of CI/GI pipe line, cable etc including making good to disturbed surfaces, complete all as specified and directed.

Returning, filling in & including spreading, levelling & well ramming in layers not exceeding 25 cm thick as in soft/loose soil, complete all as specified and directed.

Removal of surplus spoil to a distance not exceeding 50 mtr depositing where directed at a level not exceeding 1.5 mtr above ground level, complete all as specified and directed.

Excavation in hard standing for crossing the road as per the authorized width for taking out/laying/cleaning/repairing of CI/GI pipe lines all as directed including making good the road cut to match with the existing surface either with bituminous macadam or with PCC 1:2:4, type B-2(using 40mm graded crushed stone aggregate), complete all as specified and directed.

Taking up unserviceable CI/DI/MS rusted/ broken pipe line (including all fittings) with spigot and socket/ Flanged ends and removal from site including burning out joints and recovering lead, complete all as specified and directed for the following sizes/bores of pipes:- (a) 150mm bore dia Note : Earth work shall be measured and paid separately.

(b) All as per item No. 5 here-in-before but 100mm bore dia

(c) All as per item No. 5 here-in-before but 80mm bore dia

Laying only in trenches CI pipe with spigot and socketed ends complete after cleaning properly/thoroughly & removal of all blockage removing all silt and deposited organics inside using bamboo or rod with brush, complete all as specified and directed for the following sizes/bore of pipes :- (a) 150mm bore dia

(b) All as per item No. 6 here-in-before but 100mm bore dia

(c) All as per item No. 6 here-in-before but 80mm bore dia