tender for supply installation testing commissioning of ac machines at dlsa office chamber staff offices in the district court in alipurduar- 1 wiring in 1.1 kv grade single core stranded fr pvc insulated & unsheathed copper wire (brand approved by eic) of following sizes in 25mm pvc casing-capping (precision make) incl. necy. pvc clips, fittings etc.(e) 2 x 56/0.3 (4 sqmm) + 1 x 36/0.3 (2.5 sqmm) 2 finishing of the pvc insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.--(i)upto 2.5 sqmm 3 (ii) 4 sqmm 4 s&f 240/415 v mcb of breaking capacity 10ka & c characteristics on din rail of existing dbs and necessary connection---6-32a, sp(as per eic) 5 ac installation works:-supply & delivery of hi-wall split air conditioner having following specification. cooling capacity(kcal/hr) -6000 kcal/hr or higher star rating - minimum bee leveling-3 star or more (2018) is compliance - is 1391refrigerant - r410a/r32compressor - rotary/scroll ,evaporator & condensor coil : copper,operating outdoor temparature = 50ºc and above,power supply - 230v,50hz ( +tolerrance as per applicable standard), [make:-hitachi/mitsubishielectric /blue star] 6 installaion chargesof 1.5/2 ton capacity split rac machne including making arrangement for outdoor unit by suitable size angle iron frame as per direction of eic. 7 supply and drawing of 3/8 85/4copper pipe with 12.5 mmthick nitrile rubber insulation along with other accessories on the surface of wall . 8 supply & laying 11kv grade 4 core 2.5sqmm cu cable (make finolex ,rr cable ,havells) for connection between outdoor unit & indoor unit of ac machine. 9 supply & laying of drain pipe (19 mm dia) for condensed water (make-supreme/finolex) 10 s&f of 240v, 50hz, 1ph olp 3+ starters with digital display for split ac machines (1ston/ 2ton) having rated current 21a, voltage range 160v-270v, ip20, and provision to display the voltage, curent and any full indication (make electron) including necy connection (incl supply materials like wires, lugs etc if read) and commissioning afterwards 11 make a timer db by the following items ---(1)s&f double-door spn mcb dbwith ip-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. inter connection with suitable size of copper wire and neutral link & provision for earthing attachment..2+8 wayenclosure (dhdpsnodrw08) make-havells 12 (2) supplying and fixing 240/415 v mcb of breaking capacity 10ka & c characteristics on din rail ofexisting dbs and necessary connection6 apm,dp, make-havells 13 (3) s&d 24 hour analog time switch (sst* - 15 min) ,cat no-dhted15016, make-havells 14 (4) s&d 4 pole power contactors with ac coil, 25amp, 4no power pole, cat no- ihphc025100 , make-havells 15 (5) auto -off- manual 3 position toggle switch, 240v ac, 10 amp