supply of d.o. operating rod for 11 kv to 33 kv system, applicable standard- as per relevant is with latestamendment (for material used& testing). like is 1998,is 2071, bs 27821, is 867, iec 855 etc. specificationof operating rod 1. scope: this specification covers the manufacture, testing at works and supply ofoperating rod for. 11kv to 33 kv system 2 . applicable standard: as per relevant is with latestamendment for materials used and testing. like is 1998,is 2071, bs 27821, is 867, iec 855 etc. 3. generalconstruction requirement of operating rod 3.1- material: - a: - telescopic stick the telescopicoperating rod should be manufactured from fully automatic pultrusion machine out of fiber reinforced polyester(frp) / polyester resin bonded, with boron free glass rowing. the glass content should be minimum 60 percent,b: - d. o. head the top of stick be provided with aluminum d. o. head, with die casted aluminum alloy perusal.this aluminum head should property designed to operate drop out fuse barrels. c :- bottom the bottom end ofthe telescopic stick should be dressed with rubber shoe for adequate, grip and to prevent the penetration of themoisture from below, thus making the device completely moisture proof. . 3. 2 special features: (1) thetelescopic stick should be free from all the foreign bodies and without any pin holes. (2) the inner a outer surfaceof operating rod (telescopic stick) should be smooth and glossy. (3) the arrangement of locking between twosections of operating rod will be of nut - bolt type locking with telescopic design. (4) the joints are requiredvibration free and provided with complete fittings . (5) the operating rod shall have very good mechanicalstrength, excellent dialectical strength and free from the water absorption. (6) the weight of operating rod shouldbe very less and suitable for easier handling / operation by single person. 3.2 color:- natural white or grey 3.3dimensions:- total height: - 18 feet in four equal section assembled height: - 14 feet outer diameter: 45mm forbottom section and 25mm for top section telescopic stick wall thickness: 2. 5mm 4. type testcertificate : the operating rod sticks should be type tested for 110 kv voltage for power frequency voltagewithstand test in dry a wet condition preferably from any govt . approved lab ture cpri , erda etc . . tenderershould submit two one no. of sample with offer . offer without sample will be straight way rejected. 6. guarantee :if the goods , stores and equipments found defective due to bad design or workmanship the same should berepaired or replaced by the firm, free of charge if reported within 18 months of their receipt at site or 12 monthsfrom the date of commissioning of equipments whichever is earlier . firm will be responsible for the properperformance of the equipments / materials for the respective guarantee period.
