supply of cut off angle cock with vent (complete). drawing no :- wd - 88123 / s - 01, alt. 3, item no. 1 to 13. spec. no.:- 02 - abr - 02 with amend. no. 4. warranty / guarantee :- the warranty/guaran tee period will be 36 months from the date of delivery or 24 months from the date of commissioning w hichever is earlier. (for details please see spec. no. 02-abr-02 with amend. no. 4). special terms & c onditions:- out of total qty. ordered, 50% qty. be supplied in green colour coding to use on brake pip e and remaining 50% qty. be supplied in white colour coding to use on feed pipe. [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] blc/tkd, nr delhi 1949.00 numbers