WBPWD/SSEWEC /BRED /NIQ-82 /2025-26

PART A : SITC OF AIR CONDITIONERS

S&D of minimum 14KW nominal cooling capacity ceiling suspended [ concealed] Split Air Conditioner with R410A / R407C / R-32 Refrigerant, with single Scroll Compressor / Swing compressor/ twin rotary in inverter machine, suitable for operation on 415V,+_ 5% , 50Hz, 3Ph AC Supply. with precharged refrigerant, Wired/ Wireless remote & all other accessories (Make : DAIKIN model FDMF140BRV16/ RZMF140BRV16 / Mitsubishi heavy industries model FDUM125CSV-S6/FDC125CSV-S6 / O General model ARG60F+AOG60F / ARGG48CMAA-B+AOGG48CRAB-B as per choice of EIC (test Certificate should be Attached )

Installation testing & commissioning of above AC machines at 1st floor by fixing the indoor with two number 1.5mt long MS equal angle of sizes 50mmX50mmX 6mm to fixed by 250mm grouting on wall with 2nos strut of suitable length. The indoor unit suspended from this angle support with 4 nos 10mm full threaded suspender bolt with double nut & spring washer. Out door unit will be fixed on roof with iron chair of size 900mmX 300mm of height 300mm made by 50mmX50mmX6mm MS angel incl painting by two coat of synthetic enamel paint over one coat of RO primer, as per direction of EIC.

Supply & Laying of Refrigerant Copper pipe of following diameter for connecting of Indoor to Outdoor unit, along with drip resistant nitrile rubber insulation with double insulating wrapping tape to avoid dripping of condensate water:-

Discharge Line 9.52mm dia, min. thickness 0.8mm with 9mm thick nitrile insulation. (Make : Rajco / Royku).

Suction Line 19.05mm / 15.9mm dia, min. thickness 0.99mm with 9mm thick nitrile insulation. (Make : Rajco / Royku).

Supply & Laying of PVC insulated unarmoured 1.1 KV grade 6 Core 2.5sq mm copper cable from indoor to outdoor unit with necessary fixing arrangement. (Finolex / Polycab / Havells)

Wrapping the copper pipe with insulation & electric cable by S/F 26SWG Aluminimum sheet to make it weather & vermin proff.

9.5mm dia with 9mm thick nitrile insulation, 15.9/19.05mm dia with 9mm thick nitrile insulation & 6core 2.5Sqmm Copper cable.

Supply & laying drain Water piping work with 25 mm dia Schedule 40 PVC/ UPVC hard pipes (Finolex / Ashirbad / Supreme) incl. fitting , accessories bends, elbows, tees, flanges, tapings, etc. insulated with 9mm. thick nitrile rubber tube insulation.

S&F flexible canvas connection for indoor to duct/ air terminal for

14KW indoor

SITC of Powder Coated Al. Grill without VCD suitable size (Make:Systemair / Primier)

S & providing drop ceiling to cover the indoor units & supply air duct including the cost of 3mm thick ACP sheet as per manufacturer's specification on the frame work fabricated from Aluminium hollow rectangular section of size 50mm x 25mm (2mm thick) & duly suspended by Aluminium hollow rectangular section of size 50mm x 38mm (2mm thick) and silicon sealent complete in all respect including making trap door arrangement as per direction of EIC. (Make:Aludecor/Pratapbond)

PART B : EI WORKS

Supplying and fixing 415V, TPN SFU with sheet steel enclosure on flat iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating (L&T)

Supply & Drawing of 4x70sqmm 360 N/0.5 mm copper flexible wire through 50mm dia flexible conduits with all accessories. [N/S]

Supply & fixing of long barrel copper socket for 70sqmm copper conductor. [N/S]

Supply & Installation of outdoor type feeder pillar of dimension 1500mm height, 1200mm width & 200mm depth with hooded type construction, fabricated from 3mm thick CRCA sheet & finished with powder coted heat paint over RO primer. The feeder pillar must have provision of fixing 12 way VTPN with the provision to accommodate incoming 4 core 95sq. mm. PVC/Al cable and outgoing 6 & 4 sq. mm. wires incl. S&F 12nos 63A 4pole terminal studs on suitable iron chair. This feeder pillar have 4nos 600mm height legs fixed on roof floor incl. muffing of these legs.

Supplying and fixing double door Vertical TPN MCB Distribution board for MCCB incomer with IP-42/43 protection, on above feeder pilar box incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. (Make - Legrand)

Up to 160A, 12 way Enclosure

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection as per GS (Make- Legrand/L&T/Havells/Siemens)

Supplying and fixing 415 V Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting with incomer spreader link in existing DBs / enclosure and necessary connection. For VTPN DB (Make :- Legrand)

Supplying & Fixing of PVC water proof type Loop box (Make-Sintex GSJB2520 /Hensel) of size [250X200X105]mm having hinged PVC top cover & 4 mm thick with rubber gasket lining,railway type mechanical locking arrangement, with DIN rail. on wall as per direction of EIC.

S&F of 615V, 63A, 4 Pole Terminal Studs with necessary connection.

SITC of Crono time switch [Make - L&T Cat. No. 67DDT0]

S & F of 4 pole 25A DIN rail mounted Power contactor with 240V operating coil [ make L&T/ ABB/ Siemens/ Schneider].

Supplying & Fixing GI Modular Switch Board of the following sizes complete with top cover plate flushed in wall for housing the board after cutting the brick wall incl. making earthing attachment, painting and mending good damages to building works. 2 Module

Supply & Fixing 240 V 6 A Modular type switch (Brand approved by EIC) on existing GI Modular type switch board having top cover plate and making necessary connections as required

Supply & Fixing 240 V Modular type indicator (Brand approved by EIC) on existing GI Modular type switch board having top cover plate and making necessary connections as required

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required

2 x 22/0.3 (1.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC

Supply & Laying 25mm dia Galvanized steel flexible conduit with PVC coating (Precision make) incl. necy. fittings as required

S&F of Steel wire reinforced flexible UPVC Conduit Gland 25mm dia.

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the flexible conduit and making necy. connection as required

4 x 56/0.3 (4 sqmm) + 2 x 36/0.3 (2.5 sqmm) ECC

Supply of PVC/ XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make- Havells/RR/ Polycab/ As per choice of EIC] (Test Certificate should be attached)

3½ core 95 sqmm

4 core 16sqmm

Laying of cable above 3½ core 50 sqmm and upto 3½ core 90 sqmm on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting

Laying of cable as below, on existing Cable Tray and binding with suitable size GI wire. (i) From 70sqmm to 150sqmm.

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :

4core upto 95sqmm

4 core 16sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :

4core 95 sqmm cable

4 core 16 sqmm cable

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.

THERMAL / UNDERDECK INSULATION

SITC of GI DUCT of Class - VIII grade for supply/return air duct along with pre fabricated plenum for supply and return air with necessary supports, flanges etc. as required and as per IS 655 and IS-277 standards of following gauges. (Make - Sail )

24 SWG thick

Supplying & fixing of 19 mm thick duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class “O”) insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation. (Make - Armacell / K Flex)

Supply & fixing of underdeck insulation with 50mm thick TF quality Expanded polysterene slab. (Make - Thermowell )