Public Works Department Tender

Supply & erection duct dampers (Manual GI material) complete as per direction of the Engineer in charge:-

Providing, installation & commissioning of horizontal floor mounted/ceiling suspended AHU with GI sheet metal cabinet type in double skin construction fabricated from extruded aluminum profile frame (thermal break) structure. The inner skin 0.6 mm thick GI Plain & Outer skin 0.6 mm thick GI sheets pre coated/powder coated construction with 45 mm thick CFC free PUF insulation(Density 40-42kg/cubic mtr.) with internal coving and in thermal break construction complete with following section with single mixing chamber with Pre-filter & Fine filter section, DX type cooling coil. 20 Micron filter-HDPE washable type, coil area 4.40 sq. ft. 6 coil rows,3/8'' ODx0.41mm thick seamless copper tubes,0.15 mm thick x 12-13 aluminum fins/inch,18 G.S.S drain pan with 10 mm thick insulation on outside, provided with return air & fresh air opening,3 kw GI electric tubular heater,3 phase,2 pole,415 v(+-10%),IP 55,TEFC sq. case induction Motor as per direction of the engineer-in-charge.( Make: ETHOS/Edgetech/Zeco) compatible with VRF Outdoor unit) i)Capacity:- 7.5 TR, 3000 CFM (Floor Mounted/ceiling suspended AHU) with 20% fresh Air

Providing , Installation & commissioning of Variable Refrigerant Flow (VRF) System Outdoor units of AC machines minimum capacity of 10 HP each Top discharge, Modular type only cool, next generation VRF, each outdoor unit comprises of 100% inverter Driven Hermetically sealed Scroll Compressors , air cooled condenser with protective coated fins heat exchanger corrosion fin factory coated propeller type fan with motor , specially designed ODUs with refrigerant cooled heat sink , non stop working at 56 degree C, with R410A or equivalent Refrigerant , working on 3 phase AC range of 380 volt to 420 (±5%)Volt, 50Hz , the outdoor unit should contain error code LED display for ease of operation, auto addressing setting refrigerant cool PCB, Electronic expansion Valve, microprocessor controller, VRF unit should be compatible with AHU/TFA etc. complete as per direction of the Engineer in charge

Providing , Installation, Testing & commissioning of Variable Refrigerant Flow (VRF) System type indoor unit comprising of Copper coil section, filter section, micro processor type PCB , the unit shall be ceiling suspended type and complete with all standard accessories etc. complete as per direction of the Engineer in charge. VRF High Wall unit Capacity minimum 2 TR

Providing , Installation, Testing & commissioning of Variable Refrigerant Flow (VRF) System type indoor unit comprising of Copper coil section, filter section, micro processor type PCB , the unit shall be ceiling suspended type and complete with all standard accessories etc. complete as per direction of the Engineer in charge. VRF High Wall unit Capacity minimum 1.5 TR

Providing , Installation, Testing & commissioning of Variable Refrigerant Flow (VRF) System type indoor unit comprising of Copper coil section, filter section, micro processor type PCB , the unit shall be ceiling suspended type and complete with all standard accessories etc. complete as per direction of the Engineer in charge. VRF four way Cassette unit Capacity minimum 2 TR

Providing & Installation of Remote Controller Compatible of VRF indoor Unit , Cordless controller etc. complete as per direction of the Engineer in charge

Providing & fitting fixing of copper individual Refnet Y distribution joint IDU etc. complete as per direction of the Engineer in charge

Providing & fitting fixing of copper individual Refnet Y distribution joint ODU etc. complete as per direction of the Engineer in charge

Supply, installation, testing & commissioning of in/c vaccumization and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRF/VRV system, complete with fittings with suitable adjustable ring type hanger supports, joining/ brazing in/c accessories insulated with XLPE Class O tubular insulation / with Class O closed cell elastomeric nitrile rubber tubular sleeves sections of specified thickness as below for suction and liquid lines, all accessories as per specification etc. as required complete as per direction of the Engineer in charge 6.4 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation

9.5 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

12.7 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

15.86 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

19 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

22.2 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

28.58 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

34.9 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

41.3 mm dia (OD) (Hard Drawn) with tube thickness 1.2 mm with 19 mm thick insulation or its nearest dia.

Supply, installation testing & commissioning of rigid PVC pipe (for drainage of water from IDU) complete with fittings, supports as per specification and duly insulated with 6 mm thick closed cell Nitrale Rubber insulation ) 25 mm with 6 mm thick Nitrale Rubber insulation

32 mm with 6 mm thick Nitrale Rubber insulation

Supply & laying of Copper conductor scheduled flexible communication cabling between ODU and IDU as per OEM specification (VRF) cable shall be laying through hard PVC conduit pipe etc complete as per direction of the Engineer in charge

 Supply & fitting fixing of G.I. Cable Tray for laying of copper pipe support along with fittings as per required size 150mm etc complete as per direction of the Engineer in charge

Supply & filling of First charge of refrigerant R410 A etc complete as per direction of the Engineer in charge

Providing & connecting Electric control cables between indoor & outdoor, Machine room Supply point to indoor machine suitable cable for 3phase line in/c Neutral etc complete as per direction of the Engineer in charge

Providing & installation Outdoor structure or CC Pedestal complete as per direction of the Engineer in charge

Cutting of existing ceiling for laying of refrigerant pipe in different places of the building and repairing the same by gypsum board, aluminum channel etc. in/c painting as same to same of existing ceiling complete as per direction of the Engineer in charge

Supply of AHU Kit for Connecting of AHU with MRV/VRF Outdoor AC as per design.

Supply & erection of GI Ducting complete as per direction of the Engineer in charge:- 22G GSS Sheet

Supply & erection of GI Ducting complete as per direction of the Engineer in charge:- 24G GSS Sheet

Supply & erection of inside Duct acoustic insulation with 10 mm thick (Class -1 Accosound) Nitrale with perforated aluminum sheet complete as per direction of the Engineer in charge.

Supply & erection of Thermal insulation with 13 mm thick Nitrale with aluminum foal complete as per direction of the Engineer in charge.

Supply & erection Canvas connection complete as per direction of the Engineer in charge.

Providing & Installation Grilles/Diffusers complete as per direction of the Engineer in charge:-

Supply & erection duct dampers (Manual GI material) complete as per direction of the Engineer in charge:-