inspection gaguge no. 1, 2 (2a & 2b), 2/ [inspection gaguge no. 1, 2 (2a & 2b), 2/1, 3 (3a & 3b) and 3/1 as per drawing no. rdso/t-9003 (part) for inspection of thick web switch 60 kg, 1 in 12 as per drawing no. rdso/t-6155. ( note: each set shall consist