Tender For deposit-shabda surabhi smart class rooms-mynagappally gramapanchayat-supply and installation of electronic equipments for arranging sabda surabhi smart class rooms in 6 govt. lp schools at mynagappally gramapanchayat, kollam.-general electronics work - public address system, od156085/2025-2026:supply and installation of desktop paging microphone with multi tone chime having flexible 30 cm gooseneck, frequency response minimum 50-10,000hz, sensitivity 2.0mv/pa or better, low noise cable with phone plug, supplied with 2x1.5v(um-3) pencil cells, aluminum die cast top and special high reliability switches with integrated led indicator etc. 3 year warrantypreferred make- ahuja, bogen, bosch, studiomaster., od156086/2025-2026:supply and installation of wall mount compact, high fidelity speaker - having rated power 30watts (30w / 15w / 7.5w / 3.75w), frequency response - 100hz to 20khz, sensitivity - 88 3db (1w, 1m), 5 inch woofer and 1 inch tweeter etc. warranty-3 yearspreferred make - studiomaster, ahuja, dynatech or equivalent , od156212/2025-2026:supply and installation of professional 19 inch rack mounted pa amplifier having minimum 4 balanced mic/line inputs (combo jacks), 1 auxiliary input, bass/treble and master controls, low cut switch, led indicators for power on, signal and clip, pre out and amp in (send/return), auxiliary line out, 160w rms, at 1 percent threshold, operating on ac 220-240v, 50hz/dc 24v/ dc and having 50-15000 hz 3db , speaker outputs of 4, 8, 16 ohms at 70v and 100v, built-in mp3 player warranty. 3 years. preferred make- ahuja, studio master or equivalent , od156243/2025-2026:supply and installation of professional 19 inch rack mounted pa amplifier having minimum 3balanced mic/line inputs (combo jacks), 1 auxiliary input, bass/treble and master controls, low cut switch, led indicators for power on, signal and clip, pre out and amp in (send/return), auxiliary line out, 80w rms, at 1percent threshold, operating on ac 220-240v, 50hz/dc 24v/ dc and having 50-15000 hz 3db , speaker outputs of 4, 8, 16 ohms at 70v and 100v, built-in mp3 player warranty. 3 years. preferred make- ahuja, studio master or equivalent , od156348/2025-2026:supply and installation of 16 channel zone selector with provision for switching a 100v audio signal to one or more of up to 16 zones.1 x 100v input, 16 x 100v outputs, manually switchable, built in relay for all call. preferred make: ahuja or equivalent warranty 3 years., 1.17.2:supplying and drawing following sizes of frls pvc insulated copper conductor, single core cable in the existing surface / recessed steel/ pvc conduit as required.2 x 1.5 sq. mm, 1.21.1:supplying and fixing of following sizes of medium class pvc conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.20 mm, od158699/2025-2026:supply and installation of necessary electrical accessories for giving proper electrical power to the rack - warranty 3 years., od158700/2025-2026:supply and installation of wooden rack for placing amplifier, cordless receiver and mixer unit.
Tender For supply of electrical signal exchange system for three phase locomotive (each system consists of:-- (1) two sets of led lights, (2) operatng panel/switches for loco pilot & assistant loco pilot separately and (3) harnessed cable for connectlon) to clw's spec. no.- clw/ms/3/0670 (alt.-2 ). [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For relay, plug in type, style "ac led" all aspects, ac lamp proving relay unit with in-built current transformer type, slow release neutral line relay, 4f. 4b contacts, front and back contacts metal to carbon, shall be suitable for working in series with the 110v ac , led signal lamp rated at 15w confirmingto rdso spec. sts/e/relays/ ac lit led signal/ 09-2002, amd-1 brs: 941a, irs: s 34 & irs: s 23 (as applicable). the interlocking code for this unit shall be abdhk". [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 0 %age , item category : normal , total po value variation permitted: max 8 lacs ] [ rate of supply 500 units per month , commencement time allowed -2 month ]
Tender For corrigendum : shunt led signal lighting unit, 110v ac retrofittable in existing cls housing and compatible with ac led ecr as per rdso specification no. rdso/spn/153/2023, rev. 5.0 or latest if any . [ warranty period: 60 months after the date of delivery ][ rate of supply 300 units per month , commencement time allowed -2 month ]
Tender For supply of main led signal lighting unit working on 110v acas per rdso specn. no. rdso/spn /199/2025 rev.1.2 with amendment 1 or latest. retrofittable in existing cls housing (sa23002, s23024/m) yellow aspect. rdso id-3100194, sub item id- 3100194002. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of main led signal lighting unit working on 110v ac as per rdso specn. no. rdso/spn /199/2025 rev.1.2 with amendment 1 or latest. retrofittable in existing cls housing (sa23002, s23024/m) red aspect. rdso id -3100194, sub item id-3100194002 [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of main led signal lighting unit working on 110v ac as per rdso specn. no. rdso/spn /199/2025 rev.1.2 with amendment 1 or latest. retrofittable in existing cls housing (sa23002, s23024/m) green aspect. rdso id - 3100194, sub item id-3100194002 [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of a marker led signal unit 110 v ac retrofittable (as per rdso specn no : rdso/spn/153/2023 (rev.5.0 ) or latest in existing cls housing with ac led ecr/ac convention. letter 'a' should not be visible when led is not lit. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of electrical signal exchange system for three phase locomotive. each system consists of (i) two sets of led lights (ii) operating panel/switches for loco pilot and assistant loco pilot separately and (iii) harnessed cable for connection to clw specn. no. clw/ms/03/0670, alt-1 or latest and ledsfor signal exchange light as per rdso spec. no. elrs/spec/pr/0022 rev.-1 or latest [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]