WBPWD/EE-II/KNHED/NIQ-03/2025 - 26

Amount

Supply, Installation, testing and commissioning of air cooled Condensing Unit of capacity mentioned below with high efficiency fixed speed hermetic scroll compressor, air cooled condenser with axial type condenser fan and micro-processor based control panel. ( R407C / R410A refrigerant gas. (Make : Voltas / Blue star / Mitsubishi Electric Climaveneta / Hitachi / O-General / Daikin / Carrier) Nominal Capacity : 8.5 TR

SITC of Factory Designed Floor Mounted Out Door type Air Handling Unit of 0.6mm pre coated GI (outside) & 0.6 mm plain GI (inside) Double Skin having 48 ± 2 mm thick CFC free PUF insulated extruded Al Frame with Thermal Break Profile. The unit should consisting of DX Copper Cooling Coil with suitable row depth, fan with high efficiency motor, Thermal Break Profile, Mixing Box, supply air dampers, pre-filter having efficiency of 90% down to 10 micron and 95% down to 3 micron fine filter, 18 Gauge SS drain tray with nitrile rubber insulation and all accessories complete as per specification for the following capacity. The AHU should consist of Centrifigual Blower with TEFC Squirell Cage Induction Motor, Supply air, return air and fresh air Damper, UL Listed UVC Emitter with UV intensity (For Outdoor Installation). (Mk. Zeco / Trane / Edgetech) 10,000 CFM and (8.5 TR X 3 Nos.), 50 mm SP (Drawing should be approved from EIC)

Refrigeration Piping: Supply & erection of following refrigeration piping with hard drawn/soft copper pipe including providing necessary fittings , elbows, bends, valve, supporting arrangement and brazing arrangement for the above new units. (make-- Totaline/ Mandeep/ Uniflow) a. 11/8" or 28.6 mm” dia Suction Line.

b. 5/8" or 15.9 mm” dia Liquid Line.

Pipe Insulation: Supply & Fixing of Nitrile Rubber tube insulation of 13 mm thick on 11/8" Suction Line Copper Pipe .Make-Armacell/K-Flex/Acoflex

Supply, Installation, testing and commissioning of Expansion Valve, Ball Valve & Filter Drier (make-- danfos).

Drain Piping: Drain water piping work out of PVC / HDPE hared pipes, fitting, accessories, bends, elbows, tees, flanges, tappings, wall sleeves, hangers, supports, anchors.Make-Oriplast/ Suprem a. 25 mm dia

b. 32 mm dia

Sheet Metal Ducting: Supply, Design, Fabrication, installation, testing & commissioning of following gauges of 120GSM class III,complete with, supports, dampers, and turning vanes conforming to IS-655-2006.Make-SAIL/JINDAL (Ducting work has been consider at ALT as well as different site of Medical College) a. 22 gauge ducting

b. 24 gauge ducting

DUCT ACOUSTIC INSULATION : Acoustic insulation of 10 mm thick with fire retardant, closed cell, tri-dimentional chemically crosslinked polyethylene foam insulation conforming to Class 0 fire propagation rating and having minimum density of 32 kg/cu.m. Insulation material shall be supplied with factory applied pressure sensitive adhesive and protective cover. Make - Armacell / K Flex /Acoflex

DUCT THERMAL INSULATION : Supplying and fixing of 25 mm thickness 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 complete. (Ducting Insulation work has been consider at ALT as well as different site of Medical College) Make - Armacell / K Flex / Supreme

Grille/Diffuser & Dampers: a. Extruded Aluminium Square Diffusers with VCD for Supply Air. Make-Dynacraft/Premier/Ravister/Carry air/Systemair

b. Extruded Aluminium Square Diffusers without VCD for Return Air. make--Dynacraft/Premier/Ravister/Systemair

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. (vide CPWD DSR 2022 page no-- 52, item-- 16.20) Make - Systemair / Air Enterprise / Premire / Caryaire / Airmaster a. Fire Damper

b. Actuator

Flexible double canvass connections for packaged airconditioners

Control Cabling: a. Supplying , laying & temination of PVC insulated sheathed armoured cable 3c x 10.0 sq.mm.Aluminium cable . Make-Finolex/KEI/Gloster

b. Supplying and laying of PVC insulated unarmoured 4c x 2.5 sq.mm.copper communication cable . Make-Finolex/KEI/Gloster

c. Supplying , laying 10 swg GI wire for earthing

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support With 25x25x3mm angle iron support. a. Supply & Laying of GI Cable Tray : 200x50x1.25mm (18SWG)

b. Supply & Laying of GI Cable Tray : 150x50x1.25mm (18SWG)

FRAME WORK Enclosed Safety Cage for ODU :: Supplying, fabrication & fixing 3 Nos. M.S U-channel of 6mm thick of size (75mm X 40 mm X 40mm) of 1m length for making platform for installation of outdoor AC unit incl. drilling 2 nos holes in each channel including cutting holes into the wall & grouting the same with cement concrete (1:1 1/2:3) etc. fabricated with 2 Nos. horizontal angle of 25mm X 25mm X 5mm of 1m. length incl. S&F of enclosed safety cage (for ODU) made of angle (25 X 25 X 5 mm) and flat (25 X 5 mm) iron with necessary painting with 02 coat of R.O. primer (Asianpaint / Shalimer / Berger) incl. shade arrangement with corogated PVC shade with proper clamping arrangement incl. fixing of ODU as pr direction of EIC.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc.

Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. ( joists, angle work for installation of AHU unit as per direction & approvel of EIC) I) For structural members of specified sections weighing less than 22.5 Kg./m. [Sec-1/Bldg works (F)/1/P-99]

Charges for lifting of indoor & outdoor unit & Scaffololding Arrangement ( for 6 nos out door units & 2 nos AHU units)

Supply and fixing of Al powder coated continious Grill make--Dynacraft/Premier/Ravister/Systemair

Supplying, fitting & fixing in position suspended false ceiling with frame work of aluminium hollow section of size 50mm x 25mm (2.0mm thickness) combined with aluminium corners of size 38mm x 25mm, suspended by aluminium hollow tube section of size 38mm x 25mm having size of 600mm x 600mm ceiling with aluminium composit panels (ACP) - Interior grade of thickness 3.0mm (Mk.- Aludecor/ Pratap Bond) comprising of protective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturer's specification finished with aluminium screw and silicon sealent complete in all respect including all incidental charges etc. as per direction of Engineer - in - charge. (Mk.- Aludecor/ Pratap Bond) (PWD Bldg Schedule, Part G,P / No. 167, Item 22)

Construction of Trap Door (after proper cutting of ACP covering) made of Heavy Gauge Channel and particle board (hinged type door) for concealed split IDU maintenance as per direction of EIC. (Trap Door Size 3' x 1.5')

Supply & Charging Refrigerant - R410 / R407C

Wrapping both the copper pipe with kenofoam sulation by 26 SWG aluminum sheet to make it vermin proof.

Cu Pipe Line Safety Grill Enclosure :: S & installation of rectangular type M.S frame of size 1’ x 1’ x 1’ of 25 mm M.S flat with 02 nos interconnections by 25 x 6 mm M.S.flat with 25 x 25 x 5 mm M.S angle with suitable clamping arrangement as required. All angle are jointed by argon welding system. M.S. bar gap at 2’’ distance. Whole structure are grouted on wall at each 18" gap with 3" M.S. flat leg splitted at end ( 4" bullet fastener are to be used where grouting will not be possible) and mending good the damage to original finish incl all necy. materials, tools and tackles incl charges of scaffolding and painting with 02 coat of Synthetic enamelled paint over 02 coat of R.O. primer (Asian Paint / ICI / Berger) incl. welding, carriage and transportation.

a) Dismantling all types of plain cement concrete works, stacking serviceable materials at site & removing rubbish as directed by EIC within a lead of 75 Mtr. (upto 150 mm thick) ( As per WBPWD (Civil) Schedule page no: 10 Item no : 2)

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed by EIC within a lead of 75 m. including stacking of steel bars. ( As per WBPWD (Civil) Schedule page no: 10 Item no : 3)

AC Control Panel: SITC of indoor type L.T. Panel Board with MCCB / SFUas Incomer, Change Over and MCCB / SFU as outgoing feeders in a suitable transportable unit, ready for operation on being installed in a fixed position. The Panel board shall be Self-supporting, Compartmentalized, floor mounted, indoor type, dust and vermin proof (IP42). Incoming and outgoing cable entry from bottom / top end at rear side / side cable alley. Gland plate (3mm thick) should be two part detachable type. The switch board shall be fabricated from 2.0 mm thick (14 SWG) CRCA sheet and base channel will be 75mm x 40mm x 6mm (painted with Black Japan after derusting), with MS angle re-enforced / stiffner of 40 mm x 40 mm x 6 mm for both vertical and horizontal. Lifting hooks shall be provided in each transportable unit. The doors shall be removable type mounted on hinge with key locking arrangement for each compartment. Doors shall be on front and rear side, gasketted (25 x 5 mm) all through.

Painting : Panel should be properly degreased, derusted before phospheting. Alkalyed melamine epoxy based powder coated paint to be done by using 7 tank process with minium thickness of 70 micron avg. Shade will be Pebble Grey No. RAL 7032 both inside and outside. Continious GI Earth bus of size 50 x 10 mm to be provided at a hight of 150 mm from the bottom and brought outside of the panel of 75 mm. Depth of the panel : As per approved drawing. C P R I - Type Test Report for the Panel Board (similar type from Manufacturer) for Three phase and Neutral short circuit withstand strength test on main circuit Bus Bars of HBB+VBB for 65 kA rms for 1.0 second with intial peak of 143 kA, 415V, AC, Bus Bar Ratting Max. 2400A, to be furnished.

INCOMING a) S & F 415V 315A MCCB with LSIG protection and all accessories (LK / ABB / Siemens) -- 02 nos b) S & F 415V 315A FP on load change over switch open execution type (LK / ABB / Siemens) -- 01 No. BUSBAR 4 nos Electrolytic Grade tinned Copper bus bar (Cu 90%) of size 40X 5 mm for Phase and N in Sheet metal box (14 SWG) with hinge type gasketted door with suitable locking arrangement and with SStelescopic screw - 1 Item.

OUT GOING 1) 6 (Six) Nos. 40 -63 Amps TPN MCB (LK / ABB / Siemens), 10 KA , electrically operated as outgoing feeders for 6 Nos. Condensing Unit with micro-processor based control panel. 2) 2 (Two) Nos.TP MCB 10 KA of 32-40 Amp (LK / ABB / Siemens) with DOL starter for motor, over load relay with built in SPPR for AHU Fan Motor. The compartment shall contain an indicating lamp with MCB for ‘ON’, OFF and TRIP status of AHU fan motor.The panel shall include the following components & accessories:- (i) Overload relay and single phase preventor as per the ratings given below, suitable for motor duty and able to withstand fault level of 20 KA. (ii) Terminal block for power distribution (iii) Power Contactor. 3) S & F 415V 125A MCCB with all accessories (L&T / ABB / Siemens) - 1 nos.

CABLE ALLEY cable alleys on both sides for out going connection are to be made incl. S & F suitable nos of Brass Studs type connector on insulated chair having current carrying capacities as per the out going switches rating. Inter connection with the M S & Stud connectors is to be made with ssuitable size stranded copper wire as per the switch rating as specified in Interconnection.

INTERCONNECTION Inter connectionis to be made same with 40x05 mm Electrolytic Gr. Cu bar in between 2 no 315 A MCCB & 315A changeover to busbar. 16 sqmm stranded flex copper cable (Glostar/ Havell's / Polycab) in between MCCBs to busbar , suitable size copper bar (25 mm x 4mm) in between 125A MCCB to busbar. Metering circuit with 2.5 sq mm & CT Secondary 2.5 sqmm single core stranded FR PVC copper wire (Glostar / Havells / Polycab) with proper copper socketing & taping ( R Y B & N). All nut bolts are SS type.

Supply & delivery 2.0TR capacity concealed type Split (wired pac) Air Conditioner of rated cooling capacity of 24000 BTU/hr. with 1Nos. Scrool/ Rotary compressor, 1nos. IDU of rated power supply-230V-1ph-50Hz. , 1no. ODU of rated power supply-230V-1ph-50Hz. Air-flow/per IDU:- 800CFM. ( Make : Daikin / O-General / Voltas) (Gas - R 410A)

Erection, testing and commissioning charges for the above said 2.0 / 1.5 TR concealed Split AC. The Indoor (IDU) & Outdoor (ODU) unit must be supported by structure made of 40 x 40 x 5 mm amgle and tie rod incl. necy. Painting & as per direction & satisfaction of EIC.

Copper Refrigeration pipe line for Liquid Line hard drawn/ Soft Cu piping (1/4" OD with 0.6 mm thick) & Copper Refrigeration pipe line for Suction Line hard drawn Cu piping (5/8" OD with 0.7 mm thick) incl. S&F of 9mm thick hollow dia nitrile rubber insulation with necy supports & brackets as per direction of EIC

(Rate should be quotated including all taxes and duties, GST and considering the value of less cost materials.)

TRANSTECH (BID ID -6444806)

SKY DECORATIONS PRIVATE LIMITED (BID ID -6410162)