modification and upgradation of two metering yards at ntps namrup and moran o point procurement of bi-directional scraper launcher receiver and signaller , bi-directional scraper launcher / receiver, pig signallers and accessories ( including supply of pig handling system matching flanges for the entire flanged end nozzle. required studs, nuts, bolts, gaskets and foundation bolts ) , supply of 14 x 20, 300#, bi-directional scraper receiver including qoec & pig handling system , supply of jib crane for 14” x 20”, 300#, bi-directional scraper receiver , supply of 12 x 18, 300#, bi-directional scraper receiver including qoec & pig handling system , supply of jib crane for 12” x 18”, 300#, bi-directional scraper receiver , supply of 6 x 12, 300#, bi-directional scraper launcher including qoec & pig handling system , pig signalers ( intrusive type ) to be mounted on pig launcher & receiver for item 1.01, 1.03, 1.05. , pig signalers ( intrusive type ) with isolation ball valve to be welded on 14”, 12” & 6” pipeline , door seal for qoec for above item 1.01, 1.03, & 1.05 @ 2 nos. for each pig launcher and receiver , complete set of spare seals for pig signaler’s for above item 1.06 @ 1 sets / pig signaller ) , complete set of spare seals for pig signaler’s for above 1.07 ( @ 1 sets / pig signaller ) , portable jacking tool for removing pig signaller for online maintenance. , scraper launcher, pig signallers and accessories ( including supply of pig handling system matching flanges for the entire flanged end nozzle. required studs, nuts, bolts, gaskets and foundation bolts ) , supply of 14” x 18”, 300#, scraper launcher including qoec & pig handling system , supply of jib crane for 14” x 18”, 300#, scraper launcher , pig signalers ( intrusive type ) to be mounted on pig launcher for item 2.01. , pig signalers ( intrusive type ) with isolation ball valve to be welded on 14” pipeline , door seal for qoec for above item 2.01, @ 2 nos. for each pig launcher , complete set of spare seals for pig signaler’s for above item 2.03 @ 1 sets / pig signaller ) , complete set of spare seals for pig signaler’s for above 2.04 ( @ 1 sets / pig signaller )