Urgent repairing and installation of different Air Cooled Chiller units, Air Handling Units and distributioning of HVAC System at IAHVB

Amount

QC Thorough cleaning of Air-cooled condenser (ODU) coil by chemical solution, with new insulation provide foam for suction and discharge pipe line. Scraping and painting the outdoor structure with necessary arrangements etc. as required

Thorough overhauling of existing AHU including cleaning of cooling coil, runner & housing by chemical solution and others necessary items. Overhauling, repairing of blower motor and runner including oiling, greasing and replacing damaged bearing, motor cover, re-bushing /machine and all the necessary allied works as required. Repairing of motor base, channel by welding , fixing by nut bolt, washers and allied necessary items as required including leak proof the AHU unit with the help of gasket. The job should be included with repair and refixing of all necessary damaged structural works with locking arrangements

Outdoor Structure Fabrication & Erection (1 set a.c. machine) of M.S. outdoor structure (30 ft x 4 ft) opposes with providing necessary M.S. Angle size (3”x 2”),(3”x 1.5”) , M.S angle support size (2.5”x2.5”) and (2”x2”) including making, servicing, platform fencing and M.S. ladder by M.S. square bar 12mm & 16mm with cutting/welding etc as reqd.

Scaffolding charges for Fabrication a reqd.

Scraping & cleaning & painting with 2 coat red oxide primer & finally 2 coat synthetic enable paint etc as reqd.

Dismantling and lifting/ shifting the existing Condensing unit From AHU room including decanting refrigeration etc.as reqd.

Installation of AC unit on out-door structure including providing suction & Liquid copper pipe with insulation including cutting/welding, brazing etc as reqd including leak testing vaccuamising gas charging testing & Commissioning of AC unit

Supply & Laying 2.5 sq.mm 4 core copper cable withTermination of AC Unit.

Supply & Laying 4 sq.mm 4 core copper cable with Termination of AC Unit.

BSL-II

Thorough cleaning of Air-cooled condenser (ODU) coil by chemical solution, with new insulation provide foam for suction and discharge pipe line. Scraping and painting the outdoor structure with necessary arrangements etc. as required

10 TR Unit

8 TR Unit

7.5 TR Unit

2 TR Unit

Thorough overhauling of existing AHU including cleaning of cooling coil, runner & housing by chemical solution and others necessary items. Overhauling, repairing of blower motor and runner including oiling, greasing and replacing damaged bearing, motor cover, re-bushing /machine and all the necessary allied works as required. Repairing of motor base, channel by welding , fixing by nut bolt, washers and allied necessary items as required including leak proof the AHU unit with the help of gasket. The job should be included with repair and refixing of all necessary damaged structural works with locking arrangements

GMP Building

Re winding of 1/8 HP Condenser fan motor including replacing ball, bearing, re-bushing/machining all allied all the necessary works for the same

Re winding of 2HP blower motor including replacing ball, bearing, re-bushing/machining all allied all the necessary works for the same

Re winding of 3HP blower motor including replacing ball, bearing, re-bushing/machining all allied all the necessary works for the same

Re winding of 5HP blower motor including replacing ball, bearing, re-bushing/machining all allied all the necessary works for the same

Overhauling/repairing of 30 TR semi sealed compressor including, shaft grinding/polishing, re-metaling bearings, replacing compressor oil, gasket set etc. as reqd.

Re-winding of 30 TR Compressor motor.

Compressor spares for 3 Nos. comp. i.e. piston, connecting rod, piston pin, valve plate, reeds, piston rings, nut-bolts etc.

Thorough cleaning of Air-cooled condenser (ODU) coil by chemical solution, with new insulation provide foam for suction and discharge pipe line. Scraping and painting the outdoor structure with necessary arrangements etc. as required ( 30 TR X3)

Thorough cleaning of Air-cooled condenser (ODU) coil by chemical solution, with new insulation provide foam for suction and discharge pipe line. Scraping and painting the outdoor structure with necessary arrangements etc. as required ( 5 TR)

Thorough cleaning of Air-cooled condenser (ODU) coil by chemical solution, with new insulation provide foam for suction and discharge pipe line. Scraping and painting the outdoor structure with necessary arrangements etc. as required ( 1.5/ 2 TR)

Supply delivery and charging after nitrogen pressure testing and vaccuam of R-22 gas

Thorough overhauling of existing AHU including cleaning of cooling coil, runner & housing by chemical solution and others necessary items. Overhauling, repairing of blower motor and runner including oiling, greasing and replacing damaged bearing, motor cover, re-bushing /machine and all the necessary allied works as required. Repairing of motor base, channel by welding , fixing by nut bolt, washers and allied necessary items as required including leak proof the AHU unit with the help of gasket. The job should be included with repair and refixing of all necessary damaged structural works with locking arrangements

SITC of 7.5 (1300 CFM Minimum) Ton Double Skinned Air Handling Units (50 mm S.P.) each consisting of the following and having 25±2 mm thick PUF insulated extruded Aluminium section frame construction: a) Fan Section DIDW forward curve imported fan (MK.Krugar/Nikotra).The AHU shall consist of Centrifugal Blower with Supply and return Air Damper. b) Coil Section with 6 Row deep c) Filter Section with Washable Pre-filters efficinecy 90% down to 10 microns d) TEFC sq.cage Induction Motor. e) Sandwiched 18G SS Drain Pan. AHU MAKE - EDGETECH / ZECO / WAVES/ VTS/CRYSTAL/Similar as approved make Necessary connection with existing damper and ducts as per required size should be done at the time of installation as per direction of EIC For PV Lab

SITC of 5.5(900 CFM minimum) Ton Double Skinned Air Handling Units (50 mm S.P.) each consisting of the following and having 25±2 mm thick PUF insulated extruded Aluminium section frame construction: a) Fan Section DIDW forward curve imported fan (MK.Krugar/Nikotra).The AHU shall consist of Centrifugal Blower with Supply and Return Air Damper. b) Coil Section with 6 Row deep c) Filter Section with Washable Pre-filters efficinecy 90% down to 10 microns d) TEFC sq.cage Induction Motor. e) Sandwiched 18G SS Drain Pan. AHU MAKE - EDGETECH / ZECO / WAVES/ VTS/CRYSTAL/Similar as approved make Necessary connection with existing damper and ducts as per required size should be done at the time of installation as per direction of EIC (Goat pox & Swine fever Lab fridge drying room)

Installation and commissioning of 5.5TR/7.5 TR capacity DX type A.C. unit with existing Chilled water coil unit at Swine Fever Lab( Freez room 24 Hr. running) to enhance the capacity of AHU including necessary copper piping, pressure testing, gas charging etc. as require all to complete the same with MS work, brick foundation of condensing unit and welding etc.

Supply of Condensing unit with 5.5TR scroll compressor including necessary starter .(PPR-fridge drying room-1 no, swine fever fridge drying -1 no)

Supply of Condensing unit with 8 TR scroll compressor including necessary starter.(,fridge drying room Poultry-1 no)

Supply and drawing of 1.1 KV Grade 4 Core 4 Sq mm Cu Flexible Cable

Shed for Swine fever lab AHU

Earth work in excavation of foundation trenches or drain in all sorts of soil(including mixed soil but excluding laterite and sand stone)including removing,spreading or stacking the spolls within a lead of 75m as directed.The item includes necessary trimming the sides of trenches,levelling,dressing and ramming the bottom,balling out water as required complete.

Earth work in filling in foundation trenches or plinth with good earth. Layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete.(Payment to be made on the basis of measurement of finished quantity of work)

Filling in foundation or Plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by through saturation with water,ramming complete including the cost of supply of sand.(Payment to be made on measurement of finished quality)

Single brick flat soaling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

I) Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor (A) [Pakur Variety](3rd Corrigenda & Addenda, Sl.No. 45)

Ordinary Cement Concrete M - 20 (mix 3 :1.5 :1) with graded stone chips (20 mm.down) excluding shuttering and reinforcement, if any, in ground floor, as per IS 456-2000.

Reinforcement for reinforced concrete work in all sorts of structures including distribution baes,stirrups,binders etc. including supply of rods, initial staightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape,placing in proper position and binding with 16 gauge black annealed wire at every inter-section, complete as per drawing and direction.

Hire and labour charges for shuttering with centreing and necessary stagging upto 4m. using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after completion of works. (upto roof of ground floor)

Artificial stone in floor, dados, staircase etc. with cement concrete (4:2:1) with stone chips laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (2:1) including smooth finishing and rounding off cement and including application of cement slurry before flooring works using cement @ 1.75 kg./sqm. all complete including all materials and labour. 3 mm thick topping(High polishing grinding on this item is not permitted with ordinary cement). (ii) 25 mm. thick

Galvanised corrugated iron sheet work (excluding the supporting frame work) fitted and fixed with 10 mm. dia J or L hook-bolts, limpet and bitumen washers and putty complete with 150 mm. end lap and one corrugation minimum side lap. (Payment to be made on area of finished work)(GCI sheet to be supplied by contractor 1) In roof With 0.80 mm thick sheet

Supplying, fitting and fixing G.I. pipes of TATA make with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) (A) For Exposed Work 80 mm dia. medium quality

M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. Payment to be made on the basis of calculated weight of structural memebrs of MS Holow Section as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a hight of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the rate for each additional floor or 4m. beyond the initial 8 m. or part thereof. For roof truss works Span up to 12 Mtr

Galvanised iron sheet ridging fitted with necessary bolts,screws, washers etc complete.(225mm end lapping) (A) 300 mm lapping each way (c) With 0.80 mm sheet

Shed for PPR & GP Lab Fridge Drying Room AHU

Earth work in excavation of foundation trenches or drain in all sorts of soil(including mixed soil but excluding laterite and sand stone)including removing,spreading or stacking the spolls within a lead of 75m as directed.The item includes necessary trimming the sides of trenches,levelling,dressing and ramming the bottom,balling out water as required complete. Depth of excavation not exceeding 1,500 mm

Earth work in filling in foundation trenches or plinth with good earth. Layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete.(Payment to be made on the basis of measurement of finished quantity of work) With earth obtained from excavation of foundation

Filling in foundation or Plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by through saturation with water,ramming complete including the cost of supply of sand.(Payment to be made on measurement of finished quality)

Single brick flat soaling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

I) Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor (A) [Pakur Variety](3rd Corrigenda & Addenda, Sl.No. 45)

Ordinary Cement Concrete M - 20 (mix 3 :1.5 :1) with graded stone chips (20 mm.down) excluding shuttering and reinforcement, if any, in ground floor, as per IS 456-2000.

Reinforcement for reinforced concrete work in all sorts of structures including distribution baes,stirrups,binders etc. including supply of rods, initial staightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape,placing in proper position and binding with 16 gauge black annealed wire at every inter-section, complete as per drawing and direction.

Hire and labour charges for shuttering with centreing and necessary stagging upto 4m. using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after completion of works. (upto roof of ground floor)

Artificial stone in floor, dados, staircase etc. with cement concrete (4:2:1) with stone chips laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (2:1) including smooth finishing and rounding off cement and including application of cement slurry before flooring works using cement @ 1.75 kg./sqm. all complete including all materials and labour.

Galvanised corrugated iron sheet work (excluding the supporting frame work) fitted and fixed with 10 mm. dia J or L hook-bolts, limpet and bitumen washers and putty complete with 150 mm. end lap and one corrugation minimum side lap. (Payment to be made on area of finished work)(GCI sheet to be supplied by contractor In Roof:- With 0.80 mm thick sheet

Supplying, fitting and fixing G.I. pipes of TATA make with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) For Exposed Work 80 mm dia. medium quality

M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. Payment to be made on the basis of calculated weight of structural memebrs of MS Holow Section as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a hight of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the rate for each additional floor or 4m. beyond the initial 8 m. or part thereof. For roof truss works Span up to 12 Mtr

Galvanised iron sheet ridging fitted with necessary bolts,screws, washers etc complete.(225mm end lapping) 300 mm lapping each way With 0.80 mm sheet

Attending & rectification of electrical and refrigeration faults as per requirment of site with One skilled and one no. unskilled labour .(Upto 28 february 2026)

Note: 1) All the above rates should be quoted inclusive of all taxes & duties as applicable.

SUPERCOOL CARE (BID ID -6560162)

REFRIGERATION AND AIRCONDITIONING CORPORATION (BID ID -6545291)