PROVISION OF PACKAGE TYPE AIR CONDITIONER IN OT AND ICU AT 4 AFH AT AIR FORCE STATION KALAIKUNDA

Amount

Design,Supply, Installation, testing & commissioning of Dx Out door AC plant, condensing unit fitted with scroll compressor, Copper condensor coil, condensor fan with motor of following tonnages for OTs & ICU capacities including pressure testing, nitrogen gas flushing, vaccumisiing etc complete all as specified and direted by Engr-in-Charge. (a) Outdoor Unit Nominal Capacity - 5.5 TR (capable to run with R410a Refrigerant)

Design,Supply, Installation, testing & commissioning of Dx Out door AC plant, condensing unit fitted with scroll compressor, Copper condensor coil, condensor fan with motor of following tonnages for OTs & ICU capacities including pressure testing, nitrogen gas flushing, vaccumisiing etc complete all as specified and direted by Engr-in-Charge. (a) Outdoor Unit Nominal Capacity - 8.5 TR (capable to run with R410a Refrigerant)

Design,Supply , Installation, testing & commissioning , Double skin construction Air Handling Unit with variable speed induction fan motor, humidification and dehumidification arrangement,Mixing Chamber, Combination Filter at Suction ( Pre filter with 20μ Filter & Fine Filter with 5μ Filter, Cooling Coil Section with 6RD DX Cooling Coil and SS304 Drain Tray, Fan Section with DIDW Centrifugal Blower with Backward Curved Impeller, Fan-Motor Mounting Base, Suitable capacity drive Motor with V-Belt Drive Package, Vibration Isolators and Fire Retardant Flexible Canvas Connector. Air Handling Unit shall have 46 mm thick Sandwich Insulated Panels with Thermal Break Profile with Pre-Coated GSS Outer Skin and 0.6 MM Thick Plain GSS Inner Skin and with Extruded Aluminium Frame Structure. VCD in Aluminium aerofoil construction to be provided in SA, FA, RA Openings, etc complete all as specified and directed by Engr-in-Charge. (a) AHU for OT-1 - 2800 cfm @ 120mm TSP with Dual Dx Coil (one operating one stand by)

Design,Supply , Installation, testing & commissioning , Double skin construction Air Handling Unit with variable speed induction fan motor, humidification and dehumidification arrangement,Mixing Chamber, Combination Filter at Suction ( Pre filter with 20μ Filter & Fine Filter with 5μ Filter, Cooling Coil Section with 6RD DX Cooling Coil and SS304 Drain Tray, Fan Section with DIDW Centrifugal Blower with Backward Curved Impeller, Fan-Motor Mounting Base, Suitable capacity drive Motor with V-Belt Drive Package, Vibration Isolators and Fire Retardant Flexible Canvas Connector. Air Handling Unit shall have 46 mm thick Sandwich Insulated Panels with Thermal Break Profile with Pre-Coated GSS Outer Skin and 0.6 MM Thick Plain GSS Inner Skin and with Extruded Aluminium Frame Structure. VCD in Aluminium aerofoil construction to be provided in SA, FA, RA Openings, etc complete all as specified and directed by Engr-in-Charge. (b) AHU for OT-2 - 2800 cfm @ 100mm TSP (with single Dx Coil)

Design,Supply , Installation, testing & commissioning , Double skin construction Air Handling Unit with variable speed induction fan motor, humidification and dehumidification arrangement, Mixing Chamber, Combination Filter at Suction ( Pre filter with 20μ Filter & Fine Filter with 5μ Filter, Cooling Coil Section with 6RD DX Cooling Coil and SS304 Drain Tray, Fan Section with DIDW Centrifugal Blower with Backward Curved Impeller, Fan-Motor Mounting Base, Suitable capacity drive Motor with V-Belt Drive Package, Vibration Isolators and Fire Retardant Flexible Canvas Connector. Air Handling Unit shall have 46 mm thick Sandwich Insulated Panels with Thermal Break Profile with Pre-Coated GSS Outer Skin and 0.6 MM Thick Plain GSS Inner Skin and with Extruded Aluminium Frame Structure. VCD in Aluminium aerofoil construction to be provided in SA, FA, RA Openings, etc complete all as specified and directed by Engr-in-Charge. (c)AHU for ICU - 2800 cfm @ 80 mm TSP (with Single Dx Coil)

Supply , Installation, testing & commissioning Refrigeration Valves & Controls - Ball Valve, Expansion Valve, Dryer, Sightglass, Angle Valve & Cooling Thermostat For Major OT & ICU including all items as per site requirement for commissioning of plant as specified and directed by Engr-in-Charge.

Supply Installation, testing & commissioning of Copper piping with19 mm/13 mm nitrile insulation from plant to AHU, including brassing, purging and leakge testing , installation of pipe line in neat manner on tray complete all as specified and directed. (a)1-1/8" with 19 mm thick Insulation

Supply Installation, testing & commissioning of Copper piping with19 mm/13 mm nitrile insulation from plant to AHU, including brassing, purging and leakge testing , installation of pipe line in neat manner on tray complete all as specified and directed. (b) 7/8" with 19 mm thick Insulation

Supply Installation, testing & commissioning of Copper piping with19 mm/13 mm nitrile insulation from plant to AHU, including brassing, purging and leakge testing , installation of pipe line in neat manner on tray complete all as specified and directed. (c) 5/8" with 13 mm thick Insulation

Supply Installation, testing & commissioning of Copper piping with19 mm/13 mm nitrile insulation from plant to AHU, including brassing, purging and leakge testing , installation of pipe line in neat manner on tray complete all as specified and directed. (d) 1/2" with 13 mm thick Insulation

Supply Installation, testing & commissioning of site fabricated Duct of 22 gauge made out of GSS sheet complete angle Flange etc fabricated and erected as per IS 655/ Smacna standard with support rods, fasteners, gasket nut bolts , canvas including all mounting arrangement for installation of duct as per site requrement complete all as specified and directed

Supply Installation, testing & commissioning of site fabricated Duct of 20 gauge made out of GSS sheet complete angle Flange etc fabricated and erected as per IS 655/ Smacna standard with support rods, fasteners, gasket nut bolts , canvas including all mounting arrangement for installation of duct as per site requrement complete all as specified and directed

Supply Installation, testing & commissioning of site fabricated Duct 22 gauge made out of Aluminium duct complete angle Flange etc fabricated and erected as per IS 655/ Smacna standard with support rods, fasteners, gasket nut bolts , canvas including all mounting arrangement for installation of duct as per site requrement complete all as specified and directed

Suppy and fixing Nitrile rubber (class - O) thickness 19mm (plain sheet) for Duct thermal insulation of supply air & Return air duct (inside the building)Thermal and accoutic insulation of Duct complete all as specified and directed

Suppy and fixing 10 mm thick, class - O open cell, Nitrile rubber insulation for duct accoustic insulation complete all as specified and directed

Supply, laying and fixing of insulation to exposed AC ducts by providing the following (i)- first layer with Nitrile rubber insulation of 19 mm thickness. (ii)-second layer with wrapping 300G polythene sheet over nitrile rubber insulation. (iii) Third layer with providing polythene faced hessian cloth over polythene sheet (iv) fourth layer by providing stainless steel wire mesh of 0.71mm dia ,12 mm aperture over hessian cloth (v) Final layer with sand cement plaster over wire mesh and final finish painting it with synthetic enamel paint complete all as specified and directed by Engr-in-charge

Supply, laying and fixing of under deck insulation of OT & ICU ceiling with 19 mm thick (Class O Nitrile rubber (plain sheet) including providing wire mesh protection of stainless steel wire mesh of 0.71 mm dia and 12 mm aperture all as specified and directed by EIC.

Supply , fixing and installation of Aluminium Powder Coated Supply Air Diffusers with Damper of suitable size all as specified and directed by EIC .

Supply, fixing & installation of Aluminium Powder Coated Return air Diffusers without Damper of suitable size all as specified and directed by EIC .

Supply , fixing and installation of Collar damper for Supply air Grills of of suitable size all as specified and directed by EIC .

Supply and installation of SA/RA liner discrete Grills all as specified and directed by EIC .

Supply, fixing and installation of Aluminium volume control dampers all as specified and directed by EIC

Supply, fixing and installation of Fresh Air damper all as specified and directed by EIC

Supply, fixing and installation of Motorised fire damper all as specified and directed by EIC

Supply, fixing and installaiton of Actuator for motorised Fire Damper all as specified and directed by EIC

Supply Installation and testing Aluminium Extruded bottom loading HEPA Box plenum with bottom operated arrangement , differential pressure measuring points along with Gel Seal Minipleate HEPA filter EU- 13 having Efficiency of 99.97% down to particle size of 0.3 Microns. SS-304, capsule perforation of 20 x 8mm ,16 SWG should be provided with the box. Hepa Filters are bottom loading type and can be replaced from room side. (Size 2400 mm x 1800 mm x 450 mm (L x B x H) including supply and installation of HEPA Filter of size suitable to fix in Plenum) all as specified and directed by EIC Note:- If size of Plenum required to be changed or increased as per design condition, contractor has to provide that size of Plenum along with HEPA Filters without any price adjustment. Dimensions like Length and width may vary as per site condition by total Sq mtr area of Plenum with HEPA Filters should not be less than 4.32 SQ Mtrs

Supply and errrection of Magnahelic Gauge complete all as specified and directed by EIC

Supply, installaion testing and commisioning of indoor electrical AHU control panel of 2.0 mm thick CRCA sheet, with copper bus bar of 200 Amp with incoming MCCB, Control circuit, all protection like single phase preventer, OLR, AHU ON / OFF status indicator etc. By Pass starter with suitable size VFD for OT 1 to supply Power & control AHU & all Outdoor units. Note: (i) Contractor to take approval of drawing of control panel from GE before placing order. (ii) All cables from Main panel to control panel and control panel to AHU unit and Out door unit to be laid in neat in dressed form on cable tray.

Supply, installaion testing and commisioning of indoor electrical AHU control panel of 2.0 mm thick CRCA sheet, with copper bus bar of 200 Amp with incoming MCCB, Control circuit, all protection like single phase preventer, OLR, AHU ON / OFF status indicator etc. By Pass starter with suitable size VFD for OT 2 to supply Power & control AHU & all Outdoor units. Note: (i) Contractor to take approval of drawing of control panel from GE before placing order. (ii) All cables from Main panel to control panel and control panel to AHU unit and Out door unit to be laid in neat in dressed form on cable tray.

Supply, installaion testing and commisioning of indoor electrical AHU control panel of 2.0 mm thick CRCA sheet, with copper bus bar of 200 Amp with incoming MCCB, Control circuit, all protection like single phase preventer, OLR, AHU ON / OFF status indicator etc. By Pass starter with suitable size VFD for ICU to supply Power & control AHU & all Outdoor units. Note: (i) Contractor to take approval of drawing of control panel from GE before placing order. (ii) All cables from Main panel to control panel and control panel to AHU unit and Out door unit to be laid in neat in dressed form on cable tray.

Supply, laying and of suitable size armoured Cu cable for Starter Panel to AHU & Outdoor units with necessary cable tray for OT 1 all as specified and directed by EIC

Supply, laying and of suitable size armoured Cu cable for Starter Panel to AHU & Outdoor units with necessary cable tray for OT 2 all as specified and directed by EIC

Supply, laying and of suitable size armoured Cu cable for Starter Panel to AHU & Outdoor units with necessary cable tray for ICU all as specified and directed by EIC

Supply, installation, testing and commisssioning of RH sensor and heater controller for OT and ICU all as specified and directed by EIC

Supply and fixing PVC drain piping of 40 mm dia upto neraest drain trap all as specified and directed by EIC.

Supply and charging of Refrigeration Gas after pressure testing, nitrogen gas flushing, vaccumisiing etc all as specified and directed by EIC.

Supply, fixing, installation and testing of 3 KW Duct mounted Electrical Heater with required thermostatic control for OT (2 nos) and ICU including all control and power cables as required completeall as specified and directed by EIC.

Supply and fixing Control Cable for IDU to ODU communication 6C x 2.5 Sqmm as required complete all as specified and directed by EIC.

Supply and Installation of MS supports for out door unit, as required. complete all as specified and directed by EIC.

M & L for shifting of existing split type AC capacity 1.5/2 TR from Major OT 1 & 2 and ICU to new location in Hospital building including removing and refixing of mounting bracket gas pipe line etc complete as specified. and directed by EIC.

M & L for taking down existing ceiling fan of any size- 04 Nos and round curtain with clip and rod in ICU and refixing the same at existing or new place after completion of ducting work complete as specified. The cost item includes the extension of down rod of ceiling fan to fix it below false ceiling at suitable height. complete as specified. and directed by EIC.

M & L for taking down existing light fitting any type surface/ recess mounting from existing position and fixing the same at existing or at new place after completion of ducting work complete as specified. The cost item includes the extension of wires with casing capiing for providing supply to light fittings. complete as specified. and directed by EIC.

M & L for taking down existing Shadowless light fitting safely from existing position for fixing plenum for providing laminare air flow in OT and fixing the same at existing or at new place after completion of AC work complete as specified. The cost item includes the extension of wires with casing capiing for providing supply to light fittings complete as specified. and directed by EIC.

M & L for taking down existing pendent assly safely from existing position for fixing plenum for providing laminare air flow in OT and false celing and fixing the same at existing or at new place after completion of AC work including extension / incresing the down height of pandent for its free movement of arm by providing extra long GI studs of existing dia/ size of heavy duty, extension of medical gas flexible pipe and probes, power supply cable as per existing complete all as specified and directed by EIC. Note: Work to be done by specilized agency doing the work of modular OT and medical gas system. complete as specified. and directed by EIC.

S&F 4mm thick ACP panels fixed to walls including aluminium frame work complete all as specified and directed.

GENERAL POINTS FOR ALL AHU ( BOQ ITEM NOS 3,4 &5) (i) The velocity across the AHU shall be 500 FPM (ii) In all AHU rooms one Fresh air opening with adjustable grill is to be provided at no extra cost to the Department. (iii) Electrical/control cable other than as given in BOQ if required for providing electric supply / control signal from control panel to VFD, AHU and DX unit shall be supplied by the contractor without any extra cost. (iv) Cooling coil with copper tubes diameter should be as per OEM design, 12 aluminum fins per inch. (v) Contractor shall provide Humidifier & dehumidifier arrangement in both OTs and ICU. (vi) Suitable canvas connection shall be provided at the outlet of blower. (vii) Electrically controlled / operated control such as humidistat and thermostat along with all equipment and accessories shall be provided by contractor (viii)Contractor shall submit ADP of coil, total dehumidified quantity of air and duct design within 30 days of acceptance of tender. (ix) All necessary civil work and including making holes wherever required for installation of the above said equipment’s, laying and passing of cables, ducts shall be done by the contractor without any extra cost to the department.

ITEM 47 CONTD (x) Foundation bolts, fashner and any other hardware required for installation of above equipment’s to be provided by the contractor without any extra cost. (xi) All refrigerant piping and cable arrangement from Dx unit to AHU shall be done in proper dressed way, in alignment and piping to be laid on tray to be provided by the contractor without any extra cost. (xii) Pressure gauges, thermometers, flow switches, HP/LP cut outs, humidistat’s, electronic thermostatic expansion valve, solenoid valve, humidity transmitter and any other controls, safety devices and advanced / latest technology considered necessary for achieving the specified inside conditions shall be inclusive of the rate quoted in the above respective items.

GENERAL POINTS (i) Installation and commissioning of DX unit and AHU shall be carried out in presence of OEM rep. (ii) Contractor should submit the original purchase voucher and test certificate of DX unit AC plant, AHU, LT panel, cable, stabilizer, Duct sheet to the department. (iii) Drawings of lay out of equipment, electrical & control panel,AC Duct design shall be approved by Accepting Officer or their representatives before commencement of work. (iv) Contractor has to provide Schematic diagram of AC plant details on a luminous Fluorescent sheet as directed by Engr-in-Charge in all three plants.

ITEM 48 CONTD (v) Operation manuals (03 copies) shall be given. (vi) Even though the item of AC Plant, AHU, Duct work, control cable, electrical cable, LT panel, Control panel, microprocessor controller, VFD have been catered in BOQ, however any other item left out and required to achieve air conditioning parameters as specified in PS and for functioning of equipment to be provided by contractor without any extra cost to department.

ITEM 48 CONTD (vii) Phase – I test for 24 hrs will be carried out after completion and after successful completion of test, Provisional completion certificate will be given. Phase – II test for 72 hours will be carried out in summer, monsoon and winter. After successful completion of these tests, Final completion certificate will be issued. (ix) All ducts, piping work, fitting etc shall be of specified type, quality design and workmanship and are neatly laid, fixed and painted to match the surrounding work. (x) Design of duct dimensions / sizes of supply air and return air duct for OTs and ICU as per CFM of AHU to be submitted by the contractor duly vetted by the specialized agency within 30 days of acceptance of tender without any extra cost. (xi)Contractor shall provide platform for AC equipment and weather protection over Dx out door unit without extra cost to department. (xii) Contractor shall provide control panel of DX unit and AHU with VFD and necessary contractor and relay as required with complete connection.

S&F digital thermometer for monitoring the temperature in both OT & ICU complete all as specified and directed by Engr-in-charge.

Neha Enterprise

Ganguly Construction

MS R.K.ENTERPRISE

Lotas Engineers