bids are invited for item 1-main item , mandatory spare for item no. 1- oil seal for hoist gear box housing : 1 no , mandatory spare for item no. 1- oil seal for ct gear box housing : 1 no , mandatory spare for item no. 1- anti friction bearings for cross travel gearbox- 1set , mandatory spare for item no. 1- anti friction bearings for hoist gearbox- 1set , mandatory spare for item no. 1- wired pendant box with elements and cable with ferrule identification -- 1no , mandatory spare for item no. 1- rope guide -- 1set , mandatory spare for item no. 1- hoist brake - 1no , mandatory spare for item no. 1- cross travel brake--1 no , mandatory spare for item no. 1- limit switch for hoist - 1no , mandatory spare for item no. 1- lever type limit switch for cross travel - 1no , mandatory spare for item no. 1- anti-gravity limit switch for hoist - 1no , mandatory spare for item no. 1- power contactor and relays- 1 no for each type. , mandatory spare for item no. 1- rope sheave assembly with bearings - 1no , mandatory spare for item no. 1- motor ( hoist & ct ) of each type and size - 1no , mandatory spare for item no. 1- vfd ( hoist & ct ) of each type and size - 1no , mandatory spare for item no. 1- cross travel wheel : 1 set