Completion of incomplete and Balance work for Provn of AC Plant for Auditorium at Jalandhar Cantt

Amount

Note: Please refer Schedule 'A' Notes given on serial page No. 14 to 17 of tender documents.

CENTRAL AIR CONDITIONING PLANT WORKS

Provision of Central Air Conditioning plant (Chiller type) of capacity as per design carried out by M/S Pioneer Aircon, 38 Manauli House Ambala City duly vetted by NIT Kurukshetra and approved by HQ CE Jalandhar Zone as per appx 'G' for year round Air conditioning of 1200 seater Auditorium Bldg at Jalandhar Cantt (In side room condition temp 23 ±3 deg C and RH 55 ± 5 % ) with water based screw Chiller units complete in alll respects with LT Panels, AHUs, Cooling towers, Condensate water pumping system, Chiller water pumping system, SA/RA Ducting work, piping, Cabling and any other electrical and mechanical work etc. The complete Scope of work and specifications are given here as under:-

(i) Installation, Testing and commisisioning of 02 Nos of capacity 116 TR water cooled, screw chiller units with screw compressors, water cooled shell & Tube type chillers and condensers, microprocessor based control panel, suitable for R-134 refrigerant , expansion device, control mechanism including connection of complete condensor unit and evaporator chiller unit with pipe lines and electrical connections of ( Model No PFSD1201DARY) of Daikin Air conditioning India PVT LTD. Notes:- (a) 02 x 116 TR of Make : Daikin, Model No - PFSD1201DARY, water cooled screw chiller units complete are placed on foundation at Site. (b) Necessary piping work and other misc work as per OEM recommendations to connect the chiller units with various components of Central AC Plant is part of scope of the work and cost thereof is deemed to be included in the rate quoted above. (c) The first charge of Refrigerant gas, compressor oil charging of the plant is already made, However any replenishment reqd during testing/commissioning shall be part of scope of work and cost thereof is deemed to be included in quoted rate by the contractor. (d) Site, plants and machineries and other piping, accessories lying at site are to be checked by bidder before quoting tender. The deficiency if any noticed duting site visit are to be catered for as part of the scope of the same Job and cost thereof is deemed to be included in the quoted rate. (ii) Suction line and chiller insulation with minimum 19 mm thick polyvinyl nitrite rubber insulation complete as required - 01 lot

(iii) Chilled water pump set Design, supply, erection testing and commissioning of central monoblock type chilled water pump set of suitable discharge and head suitable for water cooled screw chiller unit of (Model No PFSD1201DARY) of Daikin Air Conditioning India PVT LTD complete with specifications as under:-. (a) End suction back pull out type centrifugal chilled water pump set with bronze impeller, discharge capacity as designed at suitable head, TEFC Squirrel cage induction motor of suitable HP with class 'F' insulation 2900 rpm synchronous speed, operating on 415 ± 10% volts, 3 phase 50 Hz AC supply - 03 Nos (02 working & 01 standby)

(v) Air Handling Units (Outdoor Type) Design,Supply, installations, testing and commissioning of double skin, weather proof, floor mounted cabinet type, suitable for outdoor installations of minimum capacity 20000 CFM AHU-02 Nos (Location - To be errected at first floor left side and Right side of Auditorium bldg). The AHU brief specifications and capacities are as under :- Factory fabricated double skin chilled water air handling unit (Outdoor type) x 02 Nos, of minimum capacity 20000 CFM each or of suitable capacity as required, horizontal type, fabricated out of extruded aluminium section consisting of 0.8 mm pre-plasticized/ pre-coated galvanized steel sheet inside & outside layer injected at factory by moulding machine with CFC free polyurethane foam (PUF) insultion of 42 Kg/cum complete with blower section and pre-filter section with prefilter of 10 micron of 90% efficiency & 5 micron with an efficiency of 95 %, multi row chilled water coil constructed out of copper tubes not less than 0.5 mm thick and aluminium fins with blower, TEFC drive squirrel cage induction motor 415±10 volts, centrifugal DIDW forwarded curved airfoil type blade, access door, stainless steel 18 gauge drain pan insulated with 13 mm thick nitrile rubber etc complete as per std specifications. Maximum face velocity across the coil shall be 550 RPM and each 6 row deep cooling coil AHRI certified and RH to be maintained at 55%±5% the other accessories are view port,limit switches of the following capacity and comprising of :- (a) UV protection including sensors (b) Thermometer & temperature guages (c) Pre filter (MERV 6) in supply air stream (d) Energy efficient (EFF-2) squirrel cage induction motors suitable for 415±10% volts, 50Hz, AC supply meeting criteria as per ASHRAE standard 90.1- 2007 and high efficiency (e) 3 way balancing valves with actuator of sizes as required for satisfactory completion of Central Air Conditioning System. (f) Humisdistat of suitable capacity as required for satisfactory completion of Central Air Conditioning System . (g) Ball valves of size as required for satisfactory completion of work Central Air Conditioning System. (h) Heaters for de-humidification of capacity (6 x 3 KW-03 Sets of each AHU) to serve as monsoon re-heaters to meet the inside design condition and connected with control cable up to LT panels/Chiller unit. (j) UVC emitters & fixtures in sufficient quantity so as to provided with distribution of UVC energy on the coil and in the drain pan.

(k) Humidification kits spray type with FHP monoblock type pump set of suitable capacity operating on 230 volts ± 10% single phase 50 Hz AC supply and PVC tank 100 ltr capacity to be interlocked with chiller control panel by control cables and with AHU by suitable size GI tubing of required length - 01 Set (l) Fan belt drive package (m) Vibration isolator (n) Fan outlet velocity not exceeding 10 mps Note : The AHU will be errected at first floor terrace with suitable provision of PCC block of adequate Nos and strength so as to withstand the static and dynamic load with minimum noise and vibration to the structure as per OEM recommendation. Suitable canopy are to be catered for OUTDOOR use of AHU. Make : EDGETECH, ZECO (vi) Cooling tower Installation testing and commissioning of 02 x FRP cooling tower of 160 TR heat rejection capacity complete already kept at site in dismantle condition brought by the contractor under CA No: CEJZ/JAL-11/2020-21, Make : Delta, Model No : 5072 of series DFC-50 , Water flow/tower-640 USGPM, Ent water temp-97degree F, Basin water temp -90 degree F and suction scren make up quick fitting arrangement over flow and drain connections with necessary valves and suitable inspection ladder, access arrangement for cooling tower interior, installed on MS girders (MS-I sections) fixed in masonary foundations with cement concrete footing, second class brick work and cement mortar 1:6 all accessories, basin fittings, fan, fan motor, suitable supporting structure, anti vibration mountings etc complete having isolator panel with MCB at cooling tower. Note :- (i) 02 X FRP Cooling tower shall be erected, tested and commissioned as per the approved schematic layout plan of Central Air Conditioning palnt as per appx 'G' forming part of contract. (ii) The various components of 02 X FRP cooling tower are lying at site in dismantled condition as per appx 'H' forming part of the contract will be issued by Dept. (iii) The balance items under the scope of this item for installation, testing and commissioning of cooling tower with various components of AC plants are part of scope of work and cost there of deemed to be included in the quoted rate. (iv) Necessary foundation/PCC/Brick work required for errecting of cooling towers as per OEM recommendation are part of scope of work and cost thereof deemed to be included in rate quoted.

(vii) Piping - Chilled water Design, Supply, Instalaltion, testing and commissioning the following nominal sizes of chilled plumbing pipes MS 'C' class as per IS 1239 inside/outside the building (with necessary clamps, vibration isolators and fitting like valves, flanges union etc but excluding valves, strainer guages etc) cut to required lengths and welded at joints and inclusive of accessories like elbows, tees, reducers socket etc including insulating with 25 mm (for all pipes) and 13 mm (for drain pipe) thick closed cell chemically across linked fire retardant polyethylene foam insulation of density 30 Kg/cum. The thermal conductivity of the material should not exceed 0.035W/Mk at an average temp of 400C, covered with aluminium faced foil complete with application with rubber based adhesive pidilite SR 998 and 50 mm x 3 mm thick self adhesive tape on both longitudinal & traverse joints simultaneously all as specified:- (a) 150 mm dia MS pipes-As required (b) 125 mm dia MS pipes-As required (c) 100 mm dia MS pipes-As required (d) Or any other size pipe of required length as required at site (viii) Piping-Condenser Water : Design, Supply, Installation,testing and commissioning the following nominal sizes of condensor plumbing pipes MS class 'C' as per IS 1239 inside/outside the building (with necessary clamps, vibration isolators and fitting like valves, flanges union etc but excluding valves, strainer guages etc) cut to required lengths and welded at joints and inclusive of accessories like elbows, tees, reducers socket etc all as specified:- (a) 200 mm dia MS pipes-As required (b) 150 mm dia MS pipes-As required (c) 125 mm dia MS pipes-As required (d) 100 mm dia MS pipes-As required (e) Or any other size pipe of required length as required at site

(ix) Water Makeup Tanks : (a) Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top), double layered, 500 litres capacity, hoisted and fixed in position and totally insulated with 50 mm thick fibre glass wool density 48 Kg/Cum, covered with polythene sheet faced hessian cloth, GI chicken wire mesh and protected with 28 gauge aluminium foil cladding all as specified in SSR Part-I, complete including suitable size float valve, overflow vent, drain vent etc. all as specified and directed - 01 No. (b) PVC makeup water tank 5000 Ltrs including necessary RCC foundation, float valve and pipe connections for cooling tower all as specified and directed-01 No Note :- (i) Necessary foundation/PCC/Brick work reqd for staging of water tank for cooling towers as per OEM recommendation are part of scope of work and cost thereof deemed to be included in the quoted rate.

(x) Valves, Strainers, Gauges Supply, installation, testing and commissioning of suitable size/types of insulated valves viz, Non- return valves, balancing valves, Butterfly valves, Check valves, Y-Strainers and gauges in condenser water and chilled water plumbing and adequately supported as per specifications - 01 lot Notes :- (i) The following sizes of Valves, Strainers and Gauges will be issued by the Deptt received under CA No : CEJZ/JRC-11/2020-21. (a) CI Butterfly Valve 150 mm - 04 Nos (b) CI Butterfly Valve 100 mm - 04 Nos (c) CI Butterfly Valve 80 mm - 10 Nos (d) CI Butterfly Valve 65 mm - 06 Nos (e) BLANK (f) Y Strainer with SS Filter 80 mm - 06 Nos (g) Zoloto CI Dual plate NRV 65 mm - 06 Nos (h) Castle flanged balancing valve 150 mm - 02 Nos (i) Castle flanged balancing valve 100 mm - 02 Nos (j) Honeywell water flow switch - 04 Nos (ii) Any addl requirement of valves, strainer and gauges as per site requirement will be provided by the bidder and the rates quoted will be deemed in quoted rate by the bidder.

(xi) Ducting Supply, fabrication, errection, testing and commissioning of Air Ducting System for the Central Air Conditioning plant as per the duct layout approved by NIT Jalandhar attached as appx 'J' forming part of Contract. The scope of work under the items is as under :- (a) Supply Air and return air ducting made all as per SMACNA standards commercial grade GI sheet zinc coating 120 grade 24 guage including 25mmx4mm angle iron supports, 10 mm dia rods, anchor fastener, fittings, joints including 6 mm rubber gaskets and nuts & bolts for jointing the ducts complete all as per IS-655 as specified and directed - 01 Lot (b) Supply Air and return air ducting made all as per SMACNA standards commercial grade GI sheet zinc coating 120 grade 22 guage including 25mmx4mm angle iron supports, 10 mm dia rods, anchor fastener, fittings, joints including 6 mm rubber gaskets and nuts & bolts for jointing the ducts complete all as per IS-655 specified and directed - 01 Lot (c) Acoustic insulation with 12 mm thick fibre glass rigid boards covered with tissue paper and MS wire mesh and finished with RP tissue paper and 28 gauge aluminium perforated sheet and upto 5 metre from AHU canvas connection complete all as specified and directed - 01 Lot. (d) Thermal insulation to duct in non air conditioned spaces with 50 mm thick fibre glass wool density 48 Kg/Cum, covered with polythene sheet faced hessian cloth, GI chicken wire mesh and protected with 28 gauge aluminium foil cladding complete all as per IS -655 as specified and directed.

(e) Powder coated extruded aluminium supply air diffuser/grills with collar damper complete all as specified and directed. - 01 lot (f) Powder coated extruded aluminium return air diffuser/grills with collar damper complete all as specified and directed. - 01 lot (g) Volume control dampers of GSS opposed blade construction including energy efficient motor of suitable capacity complete with flanges channel and control lever suitable for duct mounting - 01 lot (h) Fire dampers automatic type with fusible link (CPRI certified) and operated with stainless steel spring made out of 16 SWG/ GI sheet to be provided in main supply duct interlocked with AHU motor to cut off circulation of air in case of fire as required for satisfactory completion of work as per site requirement. (j) Air vent as required for satisfactory completion of work - Quantity as required .

(k) Inbuilt stiffness to maintain noise level from AHU to condition room of commercial grade VIII as per IS 655 including plenum air chamber complete. (l) Supply, installation, testing and commissioning of condensate drain water piping of GI medium class 32mm bore complete with medium class fittings like elbows, tees, reducers bends, MS flanges, supports, welding painting 25mm thick EPS insulation etc as required to standard specification-as required. Note:- (i) The bidder is required to visit the Auditorium bldg and study the Duct layout vetted by NIT Jalandhar enclosed with CA for ascertaining the technical feasibilty of its fabrication and errection on site. The bidder is reqd to cross check the various dimensions of duct layout before proceeding the fabrication and installation work, and accordingly proceed the work in totality if found technically feasible, Any addn/alternation felt necessary for achieving the design inside condition is reqd to be referred to the Accepting Officer duly supported with design calculation sheet for approval. The addn/alternation if any necessiated is considered as part of scope of work and will be excuted within the rate quoted.

(xii) Cables, Trays, Rubber Mat (a) Supplying, laying, jointing and testing under ground XLPE armoured cable insulated and PVC sheathed LT 1100 volt grade (heavy duty) with stranded aluminium conductor for following sizes laid in trenches/on floor/in duct, through pipes etc complete:- (i) 120 Sqmm 3.5 core (for chiller) - Quantity as required to complete the work. (ii) 6 Sqmm 3 core (for condensor, chilled water pumping set and heater unit) - Quantity as required to complete the work. (iii) 4 Sqmm 3 core (for cooling tower motors and AHUs at floor etc) - Quantity as required to complete the work. (iv) Or any other size of cables of required length as required at site. (b) Supply, fabricating, erecting of ladder type perforated MS cable tray of size 300mm x 50mm x 1.6mm thickness including horizontal & vertical bends, reducers, tees, cross members and other accessories as required and duly supported from the ceiling/ wall/ floor with MS suspension/ supports and including painting etc-As required (c) Control wiring with copper conductor, PVC insulated, unsheathed multi stranded, 1100V grade, double core of size 1.5 Sqmm drawn in and including PVC conduit of suitable size for interlocking arrangement as per standard practice for thermostat, humidistat, three way valve, heater bank etc required for satisfactory completion of the job complete. (d) Control wiring with copper conductor, PVC insulated, unsheathed multi stranded, 1100V grade, six core of size 1.5 Sqmm drawn in and including PVC conduit of suitable size for interlocking arrangement as per standard practice for thermostat, humidistat, three way valve, heater bank etc required for satisfactory completion of the job complete. (e) Rubber mat 12mm thick, ISI marked, LT 1100V grade of size 0.9x1.8 mts - 06 Nos (f) Weather proof local push button station for cooling tower (near cooling tower)-02 Nos

(xiii) LT Panel and Earthing a) Supply, installation, commissioning and testing of 01 No x LT indoor type panel board factory made of approved CPRI suitable size mounted indoor made out of CRCA sheet 2 mm thick dust proof, powder coated from both side, individual door, factory locking system with two side ventilation suitable for working on 415 volt AC supply including bus bar chamber and copper bus bar of capacity 1000 Amp rating for phase and neutral mounted on hygroscopic insulator fixed in a separate bus bar chamber separate compartment for incoming and outgoing feeder prewired with suitable size of copper conductor cable including fitted on 50x50x6 mm angle iron channel with PCC foundation and provision of lugs and bushing for housing the following:- (i) ACB 630 Amps with shunt trip facility & over current, short circuit, earth fault relays shall be provided with shunt trip (220VAC)-01 Set (incoming) (ii) MCCB 160 Amps with star delta starter, push buttons, LED indicators, multi function meter-03 Sets (Outgoing to water cooled Chiller Unit) (iii) MCCB 100 Amps with star delta starter, push buttons, LED indicators, multi function meter suitable for chiller pump and AHU-03 Sets (Outgoing) (iv) MCCB 63 Amps with star delta starter, push buttons, LED indicators, Multi function meter suitable for condensor pump (1W & 1S) - 02 sets (outgoing) (v) MCCB 63 Amps with star delta starter, push buttons, LED indicators, Multi function meter suitable for cooling tower motor - 02 set (outgoing) (vi) MCCB 100 Amps TPN, 415V, 50 Hz, AC connected with suitable phase bus bar, neutral bar and earth bus bars-01 Set (for pre-and re-heater bank) (vii) MCCB 63 Amps TPN, as spare with suitable phase bus bar, neutral bar and earth bus bars-02 Sets (Ongoing) (viii) Suitable size stainless steel cable entry glands-Qty as required

b) M&L for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less 1.5 mtr deep below normal ground level connected to GI earth strip size 25x4 mm as earth lead connected to earth plate by means of nut, bolts, check, nut & washer of galvanized iron or of steel, watering pipe 20 mm dia and protection 40mm dia GI 'light grade' GI wire meshed funnel, alternate layer of char coal and salt on all side to earth plate of thickness of 150 mm filling of black cotton soil in earth pit upto ground level, PCC chamber recessed for and including RCC cover including all necessary excavation & earth work, earth wire connected to main switch board, testing the earthing after completion all as specified and shown in electric plate No. 3 of MES SSR Part - I and as directed. Set of 10 Nos c) Galvanised iron strip of size 25mmx4mm from earth pit to test point and AC plant connected items laid in trenches/fixed to walls on epoxy insulators with screws etc and connecting up, required to connect byond 7.5 m from the earth pit complete - Qty as required. d) GI protection pie 40mm bore light grade required for strip beyond 7.5m from earth point complete - Qty as required. Note: Cost of protection pipe upto 7.5 mtr from the earth chamber deemed to be included in the unit rate quoted

(xiv) Supply and fixing in position the following non chemical type scale preventor suitable for 2 x 116 TR capacity to be connected with main header of condensor water piping including connected pipe work of suitable size complete-01 Set Note for Ser No 2.01:- The following works are deemed to be included in the unit rate quoted. a) The bidder is reqd to visit the site and also to go through the approved design of Central Air Conditioning plant schematic layout plan of Refrigerant circuit, Chilled water circuit, condensor water circuit , electrical power circuit diagram, control wiring circuit diagram and air ducting layout diagram forming part of contract and accordingly will submit own detailed SLD of chiller water ckt, condensate water ckt, refrigeration ckt, air ckt (duct layout diagram), showing postions of various components of AC plants valves, strainers, safety switches, protection, electrical power cable, control cable ckt diagram, LT panel ckt diagram etc. for installation, testing and commissioning of Central AC plant so as to achieve the year round designed inside condition of temperature 23 ±3 deg C and RH 55 ± 5% for 1200 seater Auditorium Bldg at JRC and will obtained the approval of the CWE before executing the work. The modifications if any reqd to achieve desired inside conditions is deemed to be part of scope of work and cost thereof deemed to be included in the rate quoted and nothing extra will be paid. b) The PCC concrete foundation for chiller unit, cooling tower, Pump sets as per recommendation of OEM and Excavation, returning filing, removal, sand cushioning, bricks protection for cable laying outside the AC plants etc - Qty as required. c) Rubber expansion joints of suitable sizes d) All the miscellaneous items required for satisfactory completion of work such as flexible canvass connection at unit, small control valves etc. as directed and as per standard engineering practice.

Supply, installation, testing and commissioning of ductable AC unit cap 8.5 TR compatible with R-410 A refrigerant including ducting work as per QCO norms compatible with existing false ceiling of Auditorium bldg complete, Make Blue star Model No- Das101r1 or its equivalent in Daikin/Voltas. Note:- The required elect cable, copper tubing and other misc items will be measured and paid separately under respective items.

Supply and installation of copper pipe complete with tubular insulation of size 1.1/8" and 1/2" complete.

M& L for sub main wiring with two single core PVC insulated and unsheathed cable 6 sqmm with multi stranded copper conductor, FRLS type cable drwan through and including PVC concealed conduit of 25 mm in size complete with all accessories alongwith provn of 6 sqmm PVC insulated and unsheathed, multi stranded copper conductor, FRLS type cable as earth wire. Note : Two run of 6 Sqmm & one run of 6 sqmm with PVC Conduit shall be measured as one unit.

M& L for sub main wiring with four single core PVC insulated and unsheathed cable 16 sqmm with multi stranded copper conductor, FRLS type cable drwan through and including PVC concealed conduit of suitable size complete with all accessories alongwith provn of 2 run of 16 sqmm PVC insulated and unsheathed, multi stranded copper conductor, FRLS type cable as earth wire. Note : Four run of 16 sqmm & 2 run of 16 sqmm PVC Cable with PVC conduit will be measured as one unit.

Supply and fix MCB DB, TPN 4 way (Vertical type suitable for mounting of MCCB as incorner) double door with suitable 200 amps rated bus bar complete all as specified and directed.

Supply and fix MCCB 63 Amps 4 pole 415 Volt, 25 KA breaking capacity complete all as specified.

Supply and fix MCB TPN 40 Amps 415 volts complete all as specified and directed.

SHRI RAMSONS PROJECTS CORPORATION (BID ID -3173193)

SATISH AND CO (BID ID -3175151)

JAI DURGA CONSTRUCTION CO (BID ID -3180165)

Ashoka Engineers (BID ID -3180457)