supply of pipe 20 bore for boxnhl (bmbs) as per rd [pipe 20 bore for boxnhl (bmbs) as per rdso s drg. no. wd-09034-s-12, alt-7, item no.10, fitted with item no.19 & 20. specification as per rdso spec no. 04-abr-2019 (rev 02 of dec 2019). material as per rdso letter no.mw/apb dt 22/05/2020- %u2018stainless steel to astm-a312 schedule 40s gr. tp 304 (erw)%u2019]pipe 20 bore for boxnhl (bmbs) as per rd [pipe 20 bore for boxnhl (bmbs) as per rdso s drg. no. wd-09034-s-12, alt-7, item no.10, fitted with item no.19 & 20. specification as per rdso spec no. 04-abr-2019 (rev 02 of dec 2019). material as per rdso letter no.mw/apb dt 22/05/2020- %u2018stainless steel to astm-a312 schedule 40s gr. tp 304 (erw)%u2019],pipe 20 bore for boxnhl (bmbs) as per rdsos drg. no. wd-09034-s-12, alt-7, item no .10, fitted with item no.19 & 20. specification as per rdso spec no. 04-abr-2019 (rev 02 of dec 2019 ). stainless steel to astm-a312 schedule 40 s gr. tp 304 (erw) [ 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 ] ] , pipe 32 bore (fp) for boxnhl (bmbs) as per rdso drg. no.wd-09034-s-12, alt-7, item no.2 fitted with item no. 16 & 17. specification as per rdso spec no 04-abr-2019 (rev 02 of dec 201 9). material as per rdso letter no mw/apb dt.22/05/2020. stainless steel to astm-a312 schedule 40s gr. tp 304 (erw) [ 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 ] ]