Tender For corrigendum : supply of point machine and variouse other items as per boq attached inspectioon rdso rites consignee - supply of point machine irs type 220 mm stroke clamp type as per irs s$-24/2002 (amendment 1) or latest.(inspection agency:- rdso), supply of q-series led ecr (universal type i.e.qecx-61), 4f/4b complete with plug board(base plate), connectors, retaining clips etc. and conforming to brs: 941a sts / e / relays / ac lit led signal / 09 - 2002, amdt.-1 or latest and rdso spec.no.irs: s - 34, s- 23 or latest, as applicable. the interlocking code for this unit shall be "abdhk". (inspection by rdso)., contactor unit (qbca1 type), 24 v dc, 2hf / 4b complete with plug board (base plate), connectors, retaining clips etc and conforming to brs- 943 and rdso specn. no. irs : s - 34, s- 23, s - 60 or latest, as applicable. th e interlocking code for this unit shall be "bcejk". (inspection by rdso)., q-series magnetically latched neutral line relay (ql1 type), 11f / 4b, 24v dc complete with plug board (base plate), connectors and retaining clips and con forming to brs-935a and rdso specn. no.irs : s - 34, s - 23 or latest, as applicable. the interlocking code for this unit shall be "abdeg.(inspection by rdso)., supply of basic material to construct unit maintenance free earth as per rdso specs. no. rdso/spn/197 ver. 1.0 or latest to achieve a resistance less than 1 ohm. it consist of following:(a) copper bonded steel electrode of minimum 3.0 meter long, minimum 17.0 mm dia with copper bonding thickness of minimum 250 microns and ul listed and marked = 1 no. (b) earth enhancement material supplied in sealed bags of minimum 10 kg = 3 nos. (c) copper strip of 150x25x6 mm, to terminate earth rod = 1 no. (d) copper strip of 300x25x6 mm (meeb) = 1 no. (e) copper strip of 150x25x6mm (seeb) = 1 no. (ii) supply of 35 sq. mm multi strand single core pvc insulated copper cable as per is: 694 for connecting main earth electrode to meeb in the equipment room in duplicate. (minimum 10 meter.) (iii) supply of 16 sq. mm multi strand single core pvc insulated copper cable as per is: 694 for connecting meeb to seeb and spd to meeb (minimum 10 meter.) (iv) supply of 10 sq. mm multi strand single core pvc insulated copper cable as per is: 694 for connecting various equipments to seeb (v) supply of copper lug sleeve for 3/16 cable.(inspection by consignee)., supply of master telephone with voice logging facility for electronic lc gate telephone system as per specification no: rdso/spn/tc-51/2011 revision 3.0 with amendment no. 1 or latest. (inspection by rites)., electronic lc gate slave telephone system with voice recorder as per rdso specification no. rdso/spn/ tc/51/2021 revision 1.0 (inspection agency:- consignee), supply of centralized power supply system 24 volts dc power pack with 7ah mf battery for electronic lc gate telephone system as per rdso spec:- no. rdso / spn / tc / 51 / 2011 (rev. 3.0) amdt - 1 or latest.(inspection agency:- consignee), supply of optical power meter, type-b, as per tec spec. gr / opm - 01 / 03 feb. 2005 or latest. (make & model khushicom-k280) or similar branded make. (inspection by consignee)., supply and testing of optical laser light source of make- jdsu model- ols-35 or similar branded make.(inspection agency:- rites), supply of optical laser torch of reputed make. (make & model-proskit mt-7530) or similar branded make. (inspection agency: - consignee), supply of automatic fusion splicer for single mode optical fibre cable, along with accessories as per tec spec. tec/gr/tx/osm 001/04/sep-12 or latest of make superior/fujikura or similar. consignee shall approve the supply only after successful demonstration at site. (inspection agency:- rites), supply of otdr suitable for 1310/1550nm fiber with resolution of 60 cm, dynamic range of 314/29 db with all accessories for working on single mode optical fiber as per tec spec. tec/gr/tx/otd 001/05/sep-19 or latest, of reputed make like yokogawa/zdsu/viavi or
Tender For corrigendum : provn of accessories for solid waste and decompost system at mil stn gaya - surface excavation not exc 30cm deep and averaging 15cm deep and getting out in soft/loose soils., removing excavated soil n exc. 50m & depositing where directed at a level n exc. 1.5 m above the starting point., m & l for hard core of gauge exc. 63mm but n exc 100mm deposited, spread & levelled in layers n exc. 15 cm thick, watered & rammed to a true surface of broken stone/boulder., m & l 75mm thick pcc type c-2, (1:3:6) using 40mm graded stone aggregate as in path hard standing as directed, m&l pcc 1:2:4 type b1 (20mm graded agg) as in copings,benching,bed block,lintel band drains and channels etc and similar work incl form work.kerbs and like incl weathering slightly rounded or chamfered angles and throating as directed, m&l rubber moulded precast concrete interlocking paver block any shape and size confirming to is 15658-2006 of 80 mm thickness m-40 grade with grey cement and no pigments al as spfd and directed., m&l sand filling under floors are in foundation including watering and consolidation, m & l organic waste composition machine of 1000kg/day capacity all as specified., m & l organic waste shredder machine of 1000kg/day all as specified., m & l conveyer belt for organic waste all as specified and directed, supply and laying river bed fine sand in trenches/ ducts 15 cm under cable and 8 cm above the cable for cushioning / protection to cable including spreading, levelling and get thick 18cm after hand punning complete all as specified and directed at site.
Tender For supply of wooden almirah,single bed mattress,hot and cold air conditioner with stabilizer and installation,study table,curtain,cushion chair,pillow and bedsheet,wall clock,emergency light,television,chain link fence,fiber sheet,iron patti and angle,parking shed with plinth,water dispenser,coffee machine,refrigerator,interlocking tiles,drainage system
Tender For schedule a- s & t work in connection with track machine siding electronic interlocking (ei) stations over howrah division.schedule b- s & t work in connection with track machine siding panel interlocking (pi) stations over howrah division.