supply of s&i testing and commissioning of set of double end jumper assembly with circular type connector, and circular type multiple unit (mu) coupler plug and socket assembly, and spares of set of 22-pin uic 558 circular type connector plug & socket assembly , supply , installation ,testing and commissioning of set of double end jumper assembly with circular type connector conforming to uic 558 plug at both ends along with abrasion resistance ball in pre- wired and preassembled condition to connect with locomotive. the arrangement shall be similar to icf dra wing no icf/sk3-7-5-043 (latest).the cable management accessories used shall conform to hl3 to en4554 5 (latest). (i) straight jumper-2 nos (ii) cross-jumper-2 nos. note: tentative length of the double end jumpe r between lslrd/lwlrrmlocomotive shall be 1.5 metre qty: as per annexure 1 (sr.no. i, item no. 2) as attached document [ warranty period: 30 months after the date of delivery ] ] , set of 22-pin uic 558 circular type connector plug & socket assembly complete without cabl es including dummy cover with stainless steel chain rope for parking. qty: as per annexure 1 (sr.no. ii, ite m no. 1) [ warranty period: 30 months after the date of delivery ] ] , supply, installation, testing and commissioning of circular type mu (multiple unit) coupler pl ug and socket assembly conforming to rdso modification sheet no. rdso/pe/ms/ac/0080-2019 (rev-2) or l atest including cables, double end jumpers (between lslrd/lwlrrm coach and locomotive), base plates/j unction box, metal & flexible conduits, mounting and earthing accessories, cable management accessories, etc., as per annexure-1 for one rake(22 coaches) including spare quantity for push-pull compliant lhb coaches consisting of the following tentative composition: (i) non ac coaches (lws, lscn): 12 nos. (ii) ac c oaches (ac pantry car, lwaccw, lwaccn and lwfac): 8 nos (iii) lslrd: 1 no. (iv) lwlrrm: 1 no. qty: a s per annexure 1 (sr.no. i, item no. 1,3,4,5,6,7) as attached document [ warranty period: 30 months afte r the date of delivery ] ]