COUNTER WEIGHT EYE ROD 1. 55 METER LONG 20 MM DIA OF STEEL GALVANIZED WITH NUT WASHER & SPLIT PIN TO RI NO. 5099, AS PER RDSO DRAWING NO. ETI/ OHE/ P/ 5090- 5 REV. B OR LATEST AND RDSO ' S SPEC. No. TI/ SPC/ OHE/ Fittings/ 0130 ( 10/ 13 ) Rev. 1 or LATEST & No. ETI/ OHE/ 13 ( 4/ 84 ) A & C SLIP NO. 1 to 4.