supply of stiffener plate along with fasteners for front carrier plate of cbc etc.stiffener plate along with fasteners for front carrier plate of cbc etc.,stiffener plate along with fasteners for front carrier plate of cbc. (note:-1. stiffener plate s shall be as per is:3885 part-2, grade-5 in annealed condition with hardness between 190-245 bhn. 2. 50% of stiffener plates shall have holes with pitch=100+-0.5mm and distance from edge = 25+-1mm, while remaining 50% stiffener plates shall have holes with pitch=90+-0.5mm and distance from edge= 30+-01mm. 3. hex head bolt shall be of reputed make: unbrako, tvs, tuff, caparo, sterling, exc ept lps.) drawing no.: rdso drawing no. rdso/cg/drg/24034, alt. 2. item nos. 1 to 5 (attached). mal t. & specn.: material shall be as per is:3885 part-2, grade-5 in annealed condition with hardness betwe en 190-245 bhn. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] workshop carriage stores/kgp, west bengal 1756.00 set