Public Works Department Tender

For 24 SWG

Supply and fixing Heat Retardant closed cell Class'O' 19mm thick Nitrile Rubber insulation with AI Foil Faced Outside Supply Air duct. (Make-Armacell/K-flex /Accroflex)

Supplying, fabrication & fixing 03 Nos. M.S. Angle/M.S C chanel of size (75 mm x 75 mmx6mm) for placing the outdoor unit of ductable split AC incl. drilling 05 nos holes in each Angle including cutting holes into the wall & grouting the same (1:1 ½ :3) etc for Air Conditioning Units.Supplying, fabrication & fixing 4 Nos. M.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40 mm)& ISA 50X50x6 mm for making Base Frame table type for installation of incl. drilling 2 nos holes in each channel.

Supply and Installation of Cubical panel suitable for 415V, 50 HZ, AC , 3 Phase and neutral system, made from CRCA MS sheet metal (14 SWG) incorporated the following main switches with IP-42/43 protection. The panel should have necessary interconection with incoming and outgoing main switch with busbar by suitable size of conductor and proper earthing attachment.The panel should be powder coated painted and all necessary Shrouds,Cable terminals, Nut-bolts and required accessories. (Make: Approved make of P.W.D.) Incoming : 415V 160A 3P MCCB 36 Ka (open execution type) --- 1 no. Busbar with 4 nos. 200A capacity Al. Bus. 80 A 3P Power contactor -02 nos. 3P Timer -01 no. Control SP MCB 6A - 03 Nos. Outgoing : A) 7.5 kw star delta starter - 02 nos. i) 25 A 3P MCB 10 kA - 02 nos. ii) A/M Selector switch - 02 Nos. iii) 18 A Power Contactor - 06 Nos.(L & T-30A 3 Pole MNX18 Power Contractor) iv) 6 A SP MCB - 02 Nos. v) Star Delta Timer - 02 Nos.(Siemens 3RPIS74- 1NM 208K) vi) ON/ OFF Trip Lamp 220 V AC - 06 Nos.

B) 1.5 kw DOL starter = 02 Nos. i) 10 A 3P MCB 10 kA - 02 nos. ii) A/M Selector switch - 02 Nos. iii) 9 A Power Contactor - 02 Nos. iv) 6 A SP MCB - 02 Nos. v) OLR 3-5 A - 02 Nos. vi) ON/ OFF Trip Lamp 220 V AC - 06 Nos. vii) Star/ Stop Switch - 04 nos. C) 0.09kw DOL starter = 02 Nos. i) 10 A 3P MCB 10 kA - 02 nos. ii) A/M Selector switch - 02 Nos. iii) 9 A Power Contactor - 02 Nos. iv) 6 A SP MCB - 02 Nos. v) Star/ Stop Switch - 04 nos. vi) OLR 3-5 A - 02 Nos. vii) ON/ OFF Trip Lamp 220 V AC - 06 Nos. D) 8.5 Ton ODU = 04 nos. i) 32 A 4P MCB 10kA- 04 nos. R,Y,B indicating lamp - 03 Nos. Ex handle -01 No. Danger Board - 1 no. Make: L&T