supply of pipe set complete for blc wagon , pipe set complete for blc wagon drawing no. :- contr-9405-s/14, alt-14, item no-1 to 23 spec. no:- 04-abr-02 (rev. 01 of nov. 2017) material:- (1). for 32 mm bore pipes :- seaml ess to is: 1239 (part-1) heavy grade or astm a-106 gr. a. (2). for 20 mm bore pipes :- stainless steel to astm-a 312 schedule 40 s gr. tp 304 (erw). (material as per rdso letter no. mw/apb dt. 02-08-20 19 with attached annex. a ). warranty/guarantee:- the warranty/guarantee period will be 30 months from the date of delivery or 24 months from the date of commissioning whichever is earlier. inspectio n :- i) further all the necessary inspections shall be carried out as per rdso spec. no. 04-abr-2002 (r ev. 01 of nov. 2017). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]