reconditioning of ptrs reconditioning and testing of 33 / 11 kv power transformers ( 3.15 mva to 8 mva ratings ) , labour charges for reconditioning work of power transformer ( as per clause 2 ( b ) of section–v ( a ) , painting inside & outside for x-mer with suitable primer and two cots of grey paint and marking etc. , fresh type-ii transformer oil as per specification enclosed , average transportation charges to & fro from area store / site to firm’s works & back to a / s / site. also transportation of transformer oil, x-mer’s fitting and accessories if any. 0 to 50 kms ( in rs. on lump sum basis ) , average transportation charges to & fro from area store / site to firm’s works & back to a / s / site. also transportation of transformer oil, x-mer’s fitting and accessories if any. for additional distance above 50 kms. ( in rs. on per km basis ) , supply of following spares , h.v. bushing ( 33kv ) as per relevant iss. , l.v. bushing ( 11kv ) as per relevant iss. , metal parts for hv bushing , metal parts for lv bushing , set of gaskets ( rubberized cork ) , silicagel breather with 1kg. min. gel for 1.6mva x-mer and 3 kgs. min. silicagel content for above 1.6mva x-mer ( in aluminum die cast container ) , magnetic type oil level gauge complete with toughened glass & low level alarm contact. , tapping switch 33kv , tapping switch handle , oil drain / filter valve incorporating sampling device ( with narrow orifice ) and having suitable arrangement for locking. , radiator valves , air release plug , l.t. terminal plate complete with terminal. , dial type thermometer of minimum 150 mm. diameter with max. temperature indicator complete with resetting device & alarm contactor , double float buchhoz relay complete with alarm & trip contacts. , cooling tubes / fins , conservator tank with detachableend plate , sundry items viz, cover bolts, plug, cap screws, washer, insulating, minor repair of tank, radiator, welding if required etc. => limited