HVAC works for Ravi J Matthai Auditorium, Main Campus, IIM Ahmedabad

Amount

S.I.T.C. OF VARIABLE REFRIGERANT FLOW (VRF / VRV) TYPE AIR CONDITIONING SYSTEM WITH HEATING & COOLING FUNCTION

INDOOR UNIT FOR VRF SYSTEM- 2.0 TR Wall Mounted unit with Cordless Remote including indoor unit, remote control, indoor panel board, electrical wiring between indoor unit & the respective power supply point, all controls, RA filters, in-built drain Pump (where specified). In case of non-availability of exact specifed capacity, quote next higher capacity machine

S.I.T.C. OF HIGH COP OUTDOOR UNITS FOR VRF SYSTEM WITH HEATING & COOLING FUNCTION (TOP DISCHARGE UNLESS SPECIFIED) Notes: (1) Minimum COP of VRF should be 3.57 (2) Refer Bases Of Design for Calculated TR and grouping/circuiting of IDUs/ODUs. (3) Calculated Tonnage mentioned below is the actual TR required at 112 DegF (44.44 DegC) Ambient and 74 DegF (23 DegC) Room Temperature. Quote nearest ODU capacity as per mfr. range, but it should be equal to or higher than the calculated TR after allowing for de-rating due to high ambient & long piping. (4) For each VRF Circuit, optimise the quantity and HP of individual ODU Modules as per mfr. range. (5) All outdoor equipment shall be capable of operating up to at least 46 DegC (115 DegF) Ambient Temperature.

FOR VRF CIRCUIT 01 - 24 HP FOR AHU 1

FOR VRF CIRCUIT 02 - 24 HP FOR AHU 2

FOR VRF CIRCUIT 03 - 24 HP FOR AHU 3

FOR VRF CIRCUIT 04 - 24 HP FOR AHU 4

FOR VRF CIRCUIT 05 - 5 HP (SIDE DISCHARGE) FOR SPLIT ACs

S.I.T.C. of AHU KITS with Control Box & Remote controllers for AHUs-Kit for Coil Capacity - Total 19.06 TR, 6RD Intertwined circuits suitable for VRF application

S.I.T.C. of refrigerant Joints for Cabin- For VRF Circuit-05 - 5 HP

S.I.T.C. OF CENTRAL REMOTE CONTROLLERS FOR ALL ABOVE VRF CIRCUITS Including control cabling from all IDU/ODU/OA Units Common Centralised Control System for the VRF A/C System of the entire building. Minimum Capabilities: Monitoring & control of temperature of each Area ON/OFF control for each Area Overriding of control function of individual control units Historical data storage of conditions as per requirement LCD Display Panel Control of all ODUs, IDUs & Outdoor Air Processor Units. (Rate to include including control cabling between CRC and all IDU/ODU/OA Units) LOCATION OF CRC: AT STAGE AREA

S.I.T.C. OF INSULATED REFRIGERANT PIPES, SPLITTERS, ACCESSORIES, PIPE FITTINGS, GAS CHARGING, ELECTRICAL WIRING, ETC Set of refrigerant pipes, pipe fittings, splitters, Gas Charging, GI angles/flats supports, accessories, electrical wiring between indoor & outdoor units, minimum 19mm thick Class O Nitrile Rubber insulation for entire piping system. Entire Refirgerant piping should be insulated with factory laminated 200 GSM glass cloth for mechanical protection, and manufacturer recommended adhesive (solvent-free) sealant applied at all joints. Exposed Refrigerant piping on terrace and platform shall be installed on raised GI pipe tray and finally covered with GI sheet cover for protection as shown in the tender drawings. Piping rate should include the same. All cabling/wiring should be installed in PVC conduits to facilitate replacement in case of any fault in future.

FOR VRF CIRCUIT 01 - 24 HP FOR AHU 1

FOR VRF CIRCUIT 02 - 24 HP FOR AHU 2

FOR VRF CIRCUIT 03 - 24 HP FOR AHU 3

FOR VRF CIRCUIT 04 - 24 HP FOR AHU 4

FOR VRF CIRCUIT 05 - 5 HP FOR HI WALL SPLITS

S.I.T.C. OF CONDENSING UNIT STANDS FOR VRF CIRCUITS Hot-dip galvanized MS stands of adequate weight-bearing capacity, to be placed either on Terrace slab or on outside stuctural platform (directed by Client)- as shown in Tender Drawings. Rates to include double rubber pads & galvanised MS plates for each leg. (Bidder to quote unit rate and NOT per kg rate) (Qty of Stands is equal to no. of VRF circuits)

S.I.T.C. of Ultra Low Noise Air Handling Unit Double Skin Custom-Made AHU as per following Specs. (HORIZONTAL TYPE AHU)

S.I.T.C. OF SHEETMETAL DUCTING WITHIN AHU ROOM GI ducting as per Technical Specifications; fabricated from prime quality, lead-free sheets having min. 120 GSM zinc coating. All ducts shall be factory-fabricated on CNC machines (except "suit-at-site" pieces). Factory-fabricated component shall not be less than 90%. Rates should include angle iron flanges, fully-threaded GI rods (for horizintal ducting), expansion fasteners, adequate supporting for horizontal, vertical & floor-supported ducts, splitters, turning vanes, air-balancing, etc. • All lateral and longitudinal joints to be sealed air-tight using RTV sealant

24 Gauge (0.63mm) for duct sizes up to 750mm

22 Gauge (0.80mm) for duct sizes between 751 and 1500mm

20 Gauge (1.0mm) for duct sizes between 1501 and 2250mm

18 Gauge (1.20mm) for duct sizes above 2250mm

S.I.T.C. OF DUCTING ACCESSORIES

Fresh air assemblies comprising of SS bird screen, rain louvers & opposed-blade type fresh air damper; fixed on AHU Room wall surface with wooden frames (The colour shade & finish shall be as approved by the Architect/Interior Designer)

CIRCULAR GRILLES with Volume control Damper (VCD) Powder coated, extruded Aluminium SA Grilles as per colour & sample approved by Consultant/Client. grille divided into two sections, Upper section will have blades of 0 deg deflection & lower half will have 15 deg deflection. (Note: Qty mentioned and measurements are for collar size/airway size, not out-to-out flange size)

HALF STEP SQUARE DIFFUSERS with Volume control Damper (VCD) Powder coated, extruded Aluminium SA diffusers as per colour & sample approved by Consultant/Client. (Note: Qty mentioned and measurements are for collar size/airway size, not out-to-out flange size)

Aluminium Extruded Low leakage Damper within ducts to be provided with suitable ducts lever and quadrants for manual control of volume of air flow and for proper balancing of the air distribution system. (Damper manufacturer has to submit low leakage certification by any national or international standard)

Fusible Link Fire Damper. A multi blade fire damper with 3V style blades, should be designed for closure of the HVAC duct opening in emergency Fire situations. It should be certified to withstand fire conditions for 4 hours, as per UL555 testing standards, tested by CBRI Roorkee. Construction details: Frame material: Galvanized steel Frame Material Thickness: 1.6 mm Frame type: C- Channel - 165 mm deep with 30mm flanges. Blade material: Galvanized Steel Blade material Thickness: 2mm for 4 hours Blade type: Triple V type Linkage: In frame Axle Bearing: Bronze sleeve, pressed into frame. Temperature release device: UL stamped fusible Link 74ºC

S.I.T.C. OF THERMAL INSULATION FOR DUCTS INSULATION FOR DUCT WITHIN THE AHU ROOM. 13 mm thick Class O closed-cell Elastomaric Nitrile rubber insulation of 40-60 kg/cumt density covered with Factory Laminated woven Glass Cloth for mechanical protecton. ENTIRE DUCING INSIDE AHU ROOM AND ENTIRE REPLACED DUCTING TO BE INSULATED Pre-clean duct surface before applying insulation. Stick insulation material using a thin film of manufacturer-recommended solvent-free adhesive on both duct and insulation; keeping the insulation material under compression (without any stretching). Seal all joints air-tight. Thickness mentioned is minimum thickness. This is in addition to any acoustic lining of ducts wherever specified. MEASUREMENT AS PER DUCT SURFACE AREA

S.I.T.C. OF ACOUSTIC LINING

SA ducts & plenums-Duct acoustic lining using 25mm thick fibreglass rigid boards of 48 kg/cu m density shall be carried out for a minimum distance of 6 m from the outlet of each air handling unit, or as specified. Entire length of AHU discharge duct shall be acoustically lined. ENTIRE DUCING INSIDE AHU ROOM AND ENTIRE REPLACED DUCTING TO BE LINED Fibreglass rigid boards shall be covered with minimum 60 GSM RP Tissue Paper and perforated Aluminium sheets of 28 gauge with 3 mm dia holes at 5 mm staggered centres. Fibre glass rigid boards shall be friction fitted to the sheet metal duct with GI angle grid-work.

ACOUSTIC INSULATION OF AHU ROOM WALLS. (To rectify damaged part of existing insulation as well as to provide insulation on un-insulated walls)-Insulation around AHU ROOM walls, using 50mm thick resin bonded fibreglass rigid board having 48 KG/CuMt density & 0.032W/m K thermal conductivity; with BLACK Glass woven cloth factory laminated at either side in rigid board, fixed in GI angle grid-work with GI Screw & washers and covered with GI cross wire

S.I.T.C. OF CONDENSATE DRAIN PIPING

FOR SPLIT Acs:20/25mm dia 10 kg/sqcm CPVC drain piping insulated with 8mm Class O Nitrile Rubber insulation; from each Split/DSAC/Cassette AC Units to nearest drain point or drain header. Provide suitable U traps

FOR FM AHUs: 40mm dia GI "B" Class drain piping insulated with 8mm Class O Nitrile Rubber insulation; from each AHU to nearest drain point. Provide suitable U traps

ELECTRICALS

S.I.T.C. OF IP-65 POWER DISTRIBUTION PANEL FOR TPN COMRISING OF1. Incoming 250A TPN MCCB with RYB indicating lamps, Digital multifunction meter. 2. Outgoing feeders for VRF TPN a. 4 nos. of 63 A FP MCB with Ampere meter 3-phase & ON indication lamp. b. 1 nos. of 20 A FP MCB with Ampere meter 3-phase & ON indication lamp. c. 1 nos. of 100 A FP MCB with Ampere meter 3-phase & ON indication lamp (As a spare feeder/50kW Roof top Solar) Incoming feeder shall be sized for Aluminium cable, with MCCB & indicating lamps Aluminium bus bar, Power cables, terminals, earthing should be as compatible for above mentioned capacities. Incoming cable and earthing to power distribution panel shall be in scope of Client.

S.I.T.C. OF TPN BOARDS FOR VRF OUTDOOR UNITS S.I.T.C. OF TPN Distribution Board for ODU Power Supply IP-65 Weather-proof TPN DB/Splitter Board suitable for outdoor installation with 1 no. incoming feeder and required nos. of outgoing feeders as per VRF ODUs. Incoming cable & eargthing up to TPN DB and outgoing feeders from TPN DB to VRF ODUs . Incoming feeder shall be sized for Aluminium cable, with MCB/MCCB & indicating lamps, Outgoing feeders shall be with MCB of required rating. TPN DB Rate should include power cabling from TPN-DB to respective VRF ODUs. No. of outgoing feeders shall be as required for the respective VRF Circuit/ODUs (Qty of DB is equal to no. of VRF circuits for AHUs. FOR VRF CIRCUIT 05 , DB is Not required since it is single ODU, power will be provided directly in ODU)

FOR VRF CIRCUIT 01 - 24 HP FOR AHU 1

FOR VRF CIRCUIT 02 - 24 HP FOR AHU 2

FOR VRF CIRCUIT 03 - 24 HP FOR AHU 3

FOR VRF CIRCUIT 04 - 24 HP FOR AHU 4

FOR VRF CIRCUIT 05 - 5 HP FOR CABIN AREA

S.I.T.C. of AHU PANELS-AHU panel along with VFD (Variable Frequency Drive) and outgoing feeders for: (a) AHU motor (b) VRF controller kits (c) UVGI lamp.

S.I.T.C. of FRLS Power Cables between starter panel and AHU. The rate shall include necessary glanding and termination of cables.

Supply and laying double run earthing wires between AHU Panel and AHU equipment, as well as TPN-DB and VRF ODU. All accessories like brass screws / glands / lugs / washers etc. shall be included in rate

Supply and Erecting of perforated type Hot dip G.I. cable tray of 16G of specified dimensions. The cable tray shall be hung from ceiling / fixed to wall/rest on floor with necessary ceiling suspendors/supports along with required accessories. The tray shall be earthed to incomig earhing connection. Min size (not a limitation) of supports shall be as follows (a).-up to 300mm tray 2nos. 8mm full threaded G.i. rod with 2nos.anchor fastener and "C" channel support at 500mm distance (b) 450 to 600mm tray 2nos.10mm full treaded G.I. rodwith 2nos. anchor fastener and "C" channel support at 500mm distance (c) 750 / 1000 mm cable tray with fabrication of 25 x 6 or 50 x 3 mm angle frame with min. 4 nos anchor fastener at 500 mm distance.

200mmx25mm

150mm x 25mm

Miscelleneous Civil work

Core cutting in RCC upto 150mm thick slab/wall

250mm Dia

200mm Dia

150mm Dia

Core cutting in RCC upto 200mm thick slab/wall

250mm Dia

200mm Dia

150mm Dia

Core cutting in Brick Masonry upto 230mm to 300mm thick wall.

250mm Dia

200mm Dia

150mm Dia

Comprehensive Maintanance Contract of Complete HVAC System after Completion of DLP

CMC for HVAC System 1st Year

CMC for HVAC System 2nd Year

CMC for HVAC System 3rd Year

CMC for HVAC System 4th Year

CMC for HVAC System 5th Year

CMC for HVAC System 6th Year

CMC for HVAC System 7th Year

Buy Back Items Buy Back of Existing HVAC System with its accessories

AIR COOLED SCROLL CHILLERS 36 TR CAPACITY WITH DANFOSS MAKE COMPRESSORS

M.S. INSULATED PIPING(Existing MS pipe rack meant for chilled water supports are to be retained. Not to be dismantled/disturbed)

25MM DIA

50MM DIA

65MM DIA

80MM DIA

100MM DIA

BUTTERFLY VALVE

CHECK VALVE

STRAINER

BALL VALVE

8000 CFM APPROX 18 TR CAPACITY AIR HANDLING UNITS ALONG WITH ISOLATION VALVES & 3 WAY VALVES

AHU MOTORS 5 HP

G.I. SHEETMETAL DUCT WITHIN AHU ROOM

EXISTING AHU ELECTRICAL PANEL

EXISTING AHU CONTROL PANEL AT STAGE AREA

ALL EXISTING CABLES RELATED TO THE EXISTING HVAC SYSTEM

Note: The BOQ item description are tentative and indicative in nature and are for payment purpose only, Bidder to understand the complete scope of work/supply and quote accordinlgy.

YOGI ENGINEERS