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Tender For 06-Hvac Network In - Construction Work Of District Hospital At Balotra - 1 Supply , Installation, Testing and Comissioning of factory assembeled double skin central evaporative cooling plant havingspecifications as per A, B, C, D, E 2 A. Air washer comprising of 2nos Pre-Filters. First filter shall be 50mm thick Aluminium wiremesh filter & second filter shall be 50 mm thick MERV-8 synthetic media filter with efficiency 90 % down to 10 microns. Both filters to be placed over the common frame. 3 B. Humidification section comprising of Wet pads 200 mm thick impregnated cellulose paper media ( Celdec pads ) with 2 bend PVC eliminator. The End plates of Pad & Eliminator shall be in SS 304 construction. Also, the inner blank offs of Wet section shall be in SS304 construction. 4 C. Fan Section comprising of belt driven, DIDW Backward curved AMCA certified centrifugal fan with maximum air outlet velocity of 10m/s suitable for required cfm at 50 mm static pressure (Total static of the unit shall be verified by the OEM before the design & supply of the units). Fan & Motor should be mounted over Aluminium channel of suitable thickness and should be isolated from the units bottom panel by means of Spring isolators. 5 D. TEFC High efficiecny IE-3 class motors as required with pulley, belt , Guard 6 E. The unit shall be fabricated with frame work hollow extruded aluminium profile with 0.80 mm preplasticised GSS on outside and 0.80mm 275gsm plain GSS on inside complete with 25 mm thick CFC free PUF insulation of minimum 40 kg/cum density sandwiched in between inner and outer skins. Unit should have MS powder coated legs to give height to units base channel from the floor surface. SS-304 ( 18 g ) Sump, UPVC Internal piping, make up, drain & quick fill and drain connection, Butterfly/Gate valves for pumps, make up, drain & quick fill and drain connections of sump, 2 no. Vertical Pumps of suitable capacity to be placed inside the units housing (external pumps are not acceptable) ,Y strainers and necessary fittings, Concrete Blocks / M S stand, anti vibration pads etc.as required. All as per pre approved by Engineer in charge.20000 CFM 7 15000 CFM 8 SITC of Wall mounting cubical type Starter panel made out of 1.6 mm thick sheet steel powder coated enclosure designed as per Switchgear OEM type -2 coordination chartand suitable for operation of following cfm range Air Washers Blower motor, pumpcomprising of over load protection relay, short circuit & single phasing protection, ON / OFF push buttons, ammeter, voltmeter, indicating lamps, MCB etc. complete in all respect. All as per pre approved by Engineer in charge. 20000 CFM 9 15000 CFM 10 P & F of Fire retardent flexible canvass connection made of fibreglass weave having silver grey silicon rubber coating, of height 200 mm with sufficient fold to avoid transmission of vibrationwith GI frame ,Gasket Nut Bolts for air cooling Plants/AHU/FCU etcas required.All as per pre approved by Engineer in charge. 11 Supply , Installation, Testing and Comissioning of site fabricated ducting made from GI sheet metal conforming to IS:277 with a zinc coating grade not less than 120 GSM (both side inclusive)& fabricated as perIS:655 and as per approved drawings & designs including the cost of hangers, supports, angle, expansion fasteners , closed cell neoprene gasket T&P etc. as required of following thickness. Test Certificate for Galavanizing with lot no. to be submitted. All as per pre approved by Engineer in charge. 12 0.60mm 13 0.80mm 14 1.00mm 15 Supply , Installation, Testing and Comissioning of site fabricated ducting made from aluminium sheet conforming to IS:737, Grade 31000fabricated as perIS:655 and as per approved drawings & designs including the cost of hangers, supports , angle , expansion fasteners , closed cell neoprene gasket T&P etc. as required of following thickness. All as per pre approved by Engineer in charge.0.60mm 16 0.80mm 17 Supplying, installing, testing and balancing ofextruded Aluminium Powder coated supply/returnGrilles with fixed bars at fronthaving 0 / 15 / 30 / 45 degrees deflection as required. with Flange size 20 mm with rounded edges including fixing with steel screws etc. complete in all respect.All as per pre approved by Engineer in charge. 18 Supplying, installing, testing and balancing of double louvered of extruded Aluminium Powder coated supply/return air grills of various sizes, Each grill shall be with fixed horizontal front bar at 0 deflection and back adjustable vertical louvers, air distribution grid for straightening the air flow through the collar and register including fixing with steel screws etc. complete in all respect. All as per pre approved by Engineer in charge. Supply air grill with key operated volume control damper 19 Return air grill without volume control damper 20 Supplying, installing, testing and balancing of extruded Aluminium powder coated Air Diffuser and complete with Flush, 20mm flanges with PVC/neoprene gasket, anti – smudge frame and removable inner core to facilitate the adjustable of air control damper, square/round/ rectangular as required.including fixing with steel screws etc. complete in all respect. All as per pre approved by Engineer in charge.Supply Air Diffuser with Volume Control damper 21 Return Air Diffuser without Volume Control damper 22 Supplying, installing and balancing of extruded Aluminium powder coated fresh air inlet louvers with bird screen & volume control damper fixing with steel screws etc. complete in all respect. All as per pre approved by Engineer in charge. 23 Supply , installation, testing & balancing of 20 Gauge G I Damper with brass bushes and 6 pitch multiblade box type galvanised sheet steel construction volume control damper for Ducting and air washers to be provided with suitable links and quadrants for control of volume of air as per specifications complete as required. All as per pre approved by Engineer in charge. 24 Supply and fixing of acoustic lining of ducts withchemically cross link Oxide accetate foam open cell structure Acoustic Insulation with density 30 Kg / Sqm, UV protected and Class O Fire propperty Water Vapour absorption 0.002 gm / Sqcm,including cost of adhesive etc. complete in all respect.All as per pre approved by Engineer in charge.All as per pre approved by Engineer in charge. 15 mm thick 25 25 mm thick 26 Supply and fixingduct insulation with 50 mm thick Expanded Polystyrene Thermocol (ESP) sheet of density 24 kg/cu.m after applying two coats of cold setting adhesive (CPRX Compound) and binding sheet with chicken wire mesh and applying cement mortar plaster (1:4) including primer & painting (suitable for outdoor aplication) matching with building colour or as per direction of Engineer incharge as required. All as per pre approved by Engineer in charge. 27 Supply , Installation, Testing and Comissioning ofInverter type Air Cooled Hi Wall split type Air conditioners with latest star rating system as per BEE amended upto date complete with Indoor unit(IDU), Out door unit (ODU), surface / concealed copper Refrigerant piping with insulation (closed cell elastomeric nitrile rubber tubular pipe section) upto 3 Mtr (IDU to ODU), copper power cable upto 3.5 Mtr (IDU to ODU), R-32/R-410 Green Refrigerant, wireless Remote control, suitable for working between 230V +/- 10% with low & high voltage cutoff and50 hz , single phaseACsupply capable of performing cooling, dehumidification, air circulation of following capacity with Scroll / rotary compressor. All as per pre approved by Engineer in charge.For additional technical parameters of products/ work, refer Annexure A attached with this BSR . 1.0 TR ISEER not less then 4.6 28 1.5 TR ISEER not less then 4.6 29 2.0 TR ISEER not less then 4.6 30 SITCof air cooled ducted splittype air conditioning machine with each having a capacity and details as mentioned below suitable for operation on factory chargedR-32/R-410A Green refrigerant comprising ofScroll /rotary type compressor hermatically sealed complete with automatic capacity, safety switches, lubrication system,Suitable capacity squirrel cage induction motor with class B insulation suitable for operation on sigle / three phase supply, 50 Hz, A.C. supply for Blower motor, Necessary drive arrangement for blower motor, Matching Air cooled condenser with necessary fittings for refrigerant piping connections, necessary structural support for mounting condensers,Microprocessor based control panel complete with accessories, machine isolation / disconnect switch, valves and accessories to inter connect compressor and condender including pressure testing, vacuum.Necessary starters suitable for Indoor & outdoor unit complete with O/L , U/V, phase reversal protection,single phase preventors etc complete as required.All as per pre approved by Engineer in charge.For additional technical parameters of products/ work, refer Annexure A attached with this BSR .4 TR 31 5.5 TR 32 8.5 TR 33 Supply , Installation, Testing and Comissioning of Air Cooled Cassette typeAir conditioners complete with Indoor unit(IDU), Out door unit (ODU), R-32/R410A Green Refrigerant, wireless Remote, inbuilt drain pump, suitable for 400/230V, +/- 10% 50 Hz ,1 /3 phaseACsupply, apable of performing cooling, dehumidification,Air circulation, filteration & ventilation of following capacity with Scroll /rotary/twin rotary compressor. All as per pre approved by Engineer in charge.For additional technical parameters of products/ work, refer Annexure A attached with this BSR .Inverter Type3.0 TR 34 3.8 / 4.0 TR 35 SITC of Interconnecting refrigerantcopper pipe forsplit/Ductable/ Casseette AC of DHE Grade C12200- ASTM B68, B75, chemical composition of copper %- 99.0 Min and Phosphorus %- 0.015 to 0.040 . For Annealed copper tube :- Tensile strength = 210 Mpa wih elongation % = 40 Min . Ink MarkBrand Printing on Hard Tubes should be present. Piping between each set of indoor & outdoor units of different sizesas per OEM requirement & specifications including class O Nitrile rubber sleeves, chase cutting, supports, making good the same with sand cement plaster etc. as required. All as per pre approved by Engineer in charge. 36 Supply, installation, testing and comissioning ofinterconnectingcopperrefrigerant pipingof DHE Grade C12200- ASTM B68, B75, chemical composition of copper %- 99.0 Min and Phosphorus %- 0.015 to 0.040 . For Annealed copper tube :- Tensile strength = 210 Mpa wih elongation % = 40 Min . Ink MarkBrand Printing on Hard Tubes should be present. duly insulated with tubular elastomeric nitrile rubber FM/UL approved with high water vapor diffusion resistance and low thermal conductivity should be certified Class O in Fire Propagationas per BS 476 Part 6 including chase cutting andfilling with mortar, Slotted channel supports mounted on 10 mm threaded rod at suitable spacing the exposed piping shall be wrapped with glass woven cloth and lag coating for vapour barrier and weather protection. Joints shall be covered with nitrile rubber tape of 3 mm thick complete as required of following sizes. All as per pre approved by Engineer in charge.25 mm O.D.,wall thinkness = 1.2mm (insulation – 19 mm thick) 37 22.2 mm O.D., wall thinkness = 1.0mm (insulation – 19 mm thick) 38 19.1 mm O.D., wall thinkness = 1.0mm (insulation – 13 mm thick) 39 15.9 mm O.D., wall thinkness = 0.8mm (insulation – 13 mm thick) 40 12.7 mm O.D., wall thinkness = 0.8mm (insulation – 13 mm thick) 41 9.5 mm O.D., wall thinkness = 0.8mm (insulation – 13 mm thick) 42 Providing & Fixing of IS : 4985 - 2000 Class -4 (10 Kgf / Sqcm) UPVC drain water piping withfittings (IS:7834 & 10Kgf/sqcm) like elbow, socket, Tee, solvent cement jointing,support with MS hanger on ceiling or recessed in wallwith chasing & plastering with 6 mmthickclosedcellelastomeric nitrile rubberinsulation including leakage testing etc. as required of following Nominal sizes. All as per pre approved by Engineer in charge.For additional technical parameters of products/ work, refer Annexure A attached with this BSR .20 mm 43 25 mm 44 Supply and laying PVC Insulated and PVC Round Sheathed Multi Core copper conductor (IS:694) and as per IS 8130 : 2013 of 1.1 kV grade . Wire should be made from99.90 % purity copper, stranding in acc. to IS:8130/IEC 60228 forlower watt loss , oxygen freefor less chances of oxidization, insulation PVC type A/C/D , flame retardant as per IS 10810-53, better amperage rating as per IS:3961 part 5, in existing pipe / open trench / Cable tray / on surface including making connection etc. as required. 1.5 sq.mm x 3 core 45 2.5 sq.mm x 3 core 46 4.0 sq.mm x 3 core 47 Supply & fixing MS powder coated stand suitable for 1.0/1.5/ 2.0 Tr outdoor type of Split AC.All as per pre approved by Engineer in charge. 48 Supply & fixing MS powder coated stand suitable for 2.5/3.0/4.0 Tr outdoor type of Split/Ductable/Tower AC.All as per pre approved by Engineer in charge. 49 Supply,Installation, Testing & Commissioning of modular type VariableRefrigerantFlow/VariableRefrigerantVolumeaircooled Outdoorunitssuitable for cooling and heating,having100% hermetically sealed inverter type Scroll Compressor(s) withand minimum two compressors along with two Condensing fan,above 14/18 HPmodules,microprocessorbased Controller, Side / top discharge type condensing unit(s), with R-410 A Refrigerant,vibrationisolators,withsuitablefoundationetc. completeasrequired.Theunitshalldelivertheratedcapacityat AHRIConditions andwork evenat 50°C ambient temperature without tripping.The unit shall be suitable to work on 400V +/- 10%, 3Phase,50HzACpowersupply.Theunit shallbefilledwithfirst charge of the refrigerant and ready for use as required. The EER at 100% load with AHRI conditions shall not be less than 3.5 andIncluding OEM supplied Piping connection Kit etc. as required. All as per pre approved by Engineer in charge. 50 Supply, installation, Testing & commissioning of VRV/VRF compatible OEM make AHU KIT including expansion valve and controller for connecting AHU with VRF. 51 Gas charging of VRF/VRV system with R410A refrigerant gas. Before gas charging system shall be flushed with high purity Nitrogen Gas to remove carbon content, dirt particles to make sure that there is no chance of mixing any impurity with Refrigerant Gas. Thereafter System shall be tested with Nitrogen Gas at 1.5 Times of working pressure of R410 Refrigerant Gas to ensure leakproof system. Whole system shall be Vacuumed up to 500-micron level which ensures the zero-moisture content level in piping to ensure better cooling efficiency and long life of the system. All as per pre approved by Engineer in charge. 52 Supply and Installation of Box type EU13 Hepa Filter of 99.997% efficiency down to 0.3 micron particle size installed in zero leakage Aluminium frame as per ISO 14644-1 clean room including sealing and packing material cost like silicon and hardware cost and Labour cost. NABL accredeated/ appropriated lab testing reportswith OEM certificate must submitted to engineer in charge. All as per pre approved by Engineer in charge. 150 mm thick 53 SITC of IP-42 and general construction confirming to IS:8623 : 1993, wall/ free standing floor mounted dust and vermin proof compartmentalisedcubical panel as specifications andOther parameters requiredas per point (a) ,(b), (c),(d), (e), (f), (g), (h) as below:- 54 (a)Thickness of CRCA sheet shallbe 2.0 mm,cable alley compartments having concealed hinged type doors with key type lock with / withoutdetachable extension type structure. Removable 3 mm. thick sheet steel gland plates with appropriate size of knockouts for cables shall be provided 55 (b)complete panel shall undergo a process of degreasing, Water rinsing, Activation, derusting,pickling in acid bath, phosphatising & shall be subjected to nine tank process and then Powder coated with approved shade of minimum 70 microns on both side of panel.The panel having PE foam/ Neoprene rubber gasket of not less than 3mm thickness ,required hardware , concealed hinged door with key type locking arrangement for equipment/switchgear earthed with 2.5 sq.mm braided copper wire. 56 [c)Interconnection between bus bar and switchgears /cable shall be rigidly supported and made out by flexible copper wires (up to 63 amp ) and by solid bus bar(>63 amp ) . control wiring will be carried out with 1.5 Sq.mm, Earth wire with 2.5 Sq.mm and CT with 2.5 sq.mm flexible copper wire only.All joints / interconnections of copper bus bar shall be dully tinned . Clearance between main bus bar and risers / metal parts shall be at least 10 mm additional to width of bus bar Bus bar is insulated by Heat Shrinkable sleeves . Earth and Neutral bus bar shall be half of the size of phase bus bar. ( Cost of Bus bar/ Flexible wire for Interconnection between Main busbar and Switchgearis to be Paid Extra ) 57 (d)Wiring between components within switchgear and Incoming / outgoing cableshall be done through the terminal block only. Direct connection shall not be permitted. Each terminal block shall be one piece moulded, barrier type, 650 volt grade, complete with washers, heads, studs with two nuts and identification strips and shall have adequate continuous current rating. For tap-offs, adjacent terminals with shorting strips shall be used. 10% Spare terminal blocks shall be provided. Wire identification on marking strip shall correspond to the designation of the wiring diagrams. All wire terminals on the equipment shall also be marked with designation corresponding to those of the wiring diagram. 58 (e)All wiring shall be enclosed in plastic channels and neatly bunched and closed in metering chamber, Wiring between terminals of various devices shall be ‘point to point’ (no wire splitting or tee connections) with wires neatly trucked along the back of the panels, adequately supported to prevent sagging. 59 (f)Floor mounted panel shall be mounted on Base frame of ISMCchannel size 100 x 50 x 5 mm( to be paid Extra ) 60 (g) Tests: The insulation resistance (with 1000 V Megger) and High voltage Power frequency test (by applying a voltage of 2.5KV for one minute) shall be measured between phases, between phase and neutral and between phase and earth. both before and after high voltage power frequency test. The insulation resistance shall not be less than three megaohm. CT Secondary current injection test shall also be carried out. 61 (h) only outer surface area on all sides shall be measured & panel to be fabricated only from CPRI approved fabricator only (CPRI Test certificates to be submitted)All as per pre approved by Engineer in charge. 62 Supplying and fixing of Aluminium (IEC 60105 ISO 209-1,2) / Copper (IEC 60028) bus bar by means of SMC / DMC type insulatorwith standard short circuit withstand capacity, high tensile nuts and bolts spring washers in existing panel including bending , cutting in required shape and size and colour coding with heat shrinkable PVC sleeves. All as per pre approved by Engineer in charge.Electrolytic grade Aluminium bus bar 6010 grade 63 Providing & Fixing of IS: 13875 & IEC :61326 confirming LED Digital type(up to 500) V range Volt meter / Direct- Ammeter /CT oertated ammeter/ Frequency meter / KWH meter / Multi Function Meter / Power analyzer of class 1 accuracyas per IS : 1248 of size 96mm x 96 mm including making connection by PVC insulated copper conductor with PVC sleeves / channel etc. as required.All as per pre approved by Engineer in charge. Three phase with universal Auxiliary supply + AMP + HZ + PF + KW + KVA + KVAR + KVARH + KWH + DUAL ENERGY+ ENERGY+THD-I, THD-V & RUN HRS + MD with RS485 64 Providing & Fixing of BIS approvedCurrent Transformeras per PWD specification for electrical Works ,ISI marked as perIS 2705-1992/ conforming to IEC 60044-1, with secondary terminalof CT shall be brought out suitable to a terminal block which shall be easier accessible for testing and terminal connection , with all necessary support in existing panel including connection etc. as requiredCurrent transformer Ring Type Tape Wound/Resin Cast Wound as per IS 16227 with, Accuracy Cl, CT ratio and burden as specified. ISF<=5, Cu cross section of secondary wire 1.5sqmm (minimum), including all necessary support in existing panel including connection etc. as required . All as per pre approved by Engineer in charge.All as per pre approved by Engineer in charge.Ring type tape wound CT C T Class 1, Ratio 200/5 to 300/5, Burden 10 VA 65 C T Class 1, Ratio 400/5 to 1200/5, Burden 15 VA 66 Providing & Fixing of110/220 V, unibody LED Indicatinglamp IEC 60947with integral circuit, IP 65 above panel &IP 20 terminal block, Approx. body dia for panel not less then 20 mm, length min. 50mm, front LED cover dia min.29 mm, contact material phospher bronze for Led, PCB contacts shall be ofbrass (tin plated), impulsedielectric tested for 2.5 KV, Rated insulation resistance shall be 100 M ohm at 500VDCincluding connection etc. as required.All as per pre approved by Engineer in charge. Red/yellow/Green colour 67 Blue / white Colour 68 SITC of3 /4pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant materialhaving following current rating, short circuitbreaking capacityat 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with frontface and centralised adjustable, trip free mechanisum, true contact position indicator,line load interchangeability,designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation upto 55 degree and without derating upto 40 degree,pollution degree 3, having positive isolation capability, push(test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% Icu. U imp =8 KV, rated insulation voltage690 V.provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle , including making connectionsetc. as required.OEM shall have submitNABL / CPRI / ERDA accrediated lab type test certificate before execution All as per pre approved by Engineer in charge.4 pole MCCB With Thermal Magnetic release 200 Amp , 25 kA, adjustable O/L & adjustable S/C setting, 69 4 pole MCCB With Microprocessor based release with adjustable O/L &S/C setting with Inbuilt Instantaneous and Ground fault Protection. 400 Amp , 50 kA 70 Supply and fixing of following accessories for Moulded case circuit breaker (MCCB)compatible to main MCCB OEM as per PWD specification for electrical Works, conforming to IS/IEC 60947 P - 2 :2003 including making connection etc complete in all respect. OEM shall have submitNABL / CPRI / ERDA accrediated lab type test certificate before execution.All as per pre approved by Engineer in charge. Shunt Trip Release 71 Under Voltage Release 72 Extended Rotary Handle 73 Spreaders for 250A, 4 Pole MCCB 74 Spreaders for 400A, 4Pole MCCB 75 Phase Barriers up to 630A, 3/4Pole MCCB 76 P & F Earth leakage relay for continuous surveillance of the earth leakage current of Rating 240 VAC at 50/60 Hz, Overload :x2 continuously, x10 for 3 secs as per BS6253, Voltage Tolerance : : - 25% to +10%Operating temp.: : -10 C to +70 C, Setting of trip point : : 0.030, 0.10, 0.30, 0.50, 1.0 ,3.0 ,5.0, 10.0,20.0 & 30.0( User Selectable) with Alarm Relay Output, Trip Relay Output etc. as required. All as per pre approved by Engineer in charge. ELR with 70mm CBCT 77 Providing & Fixing of 240/415 V AC MCB with positive isolation of 10 kA breaking capacity (B/ C/D tripping characteristic as per type of load andsite requirement) 4 KV impulse withstand voltage, ISI marked IS 8828(1996) / conforming to IEC 60898-1 2002, IEC 60947-2, low watt losses, trip free mechanisum , energy limiting ofclass 3 as per IEC,minimum phase termination capacity of 35sq.mm. , conductor line load reversibility , IP 20 contact protection and fitted inexisting distribution board/sheets, minimum electrical operation 20,000 upto 20 A rating and 10,000 upto 63 A, 5000 for 80 A & above ratingincluding making connections, testing etc. as required. OEM shall have submitNABL / CPRI / ERDA accrediated lab type test reports& All as per pre approved by Engineer in charge. Four pole MCB (With B/C curve tripping Characteristics)40 A rating 78 50/63 A rating 79 Providing & Fixing of 240/415 V factory fitted RCBO with overload, short-circuit and earth leakage protectionwith ISI marked (IS12640-2)/ conforming to IEC 61009-1, breaking capacity 10 KA,provision for pad lock, min. Electrical operation 10,000 upto 63 A rating , minimum phase termination capacity of 35sq.mm. , IP 20 contact protection with existing distribution board / sheetincluding making connections, testing etc. as required. OEM shall have submitNABL / CPRI / ERDA accrediated lab type test reports& All as per pre approved by Engineer in charge. Four pole 100/300 mA sensitivity 40 A rating 80 63 A rating 81 Providing & Fixing of Electricalinsulating rubber matts as per PWD specification for electrical Works, ISI marked confirming to IS: 15652 /2006with one sideanti skid abberation marks and pasting the mat with synthetic rubber adhesive as required. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work, refer Annexure A attached with this BSR . 3.3 KV,class A 2 mm thick with proof voltage 10 KV AC (rms) and Break Down Voltage 30 KV AC (rms) 82 Providing & Laying P.V.C. / XLPE insulated & P.V.C. sheathed ArmouredCoppercable confirming to IS:1554 P-I / IS :7098 P - I of 1.1 KV withelectrolytic gradeCopper made of copper rodsconfirming to IS 613-1964, of purity >99.7 %, round / flat strip armouring, Inner / outer sheath confirming to IS:5831in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie)includingtesting etc. as required of following size. OEM must have its own in house NABL accrediated Laboratory for testing procedure as per IS:10810 10.0 Sq. mm 4 core 83 16.0 Sq. mm 4 core 84 Supplying and making one end termination with Nickel plated heavy duty brass single compression gland (as per IS 12943-1990)) SIBG type consisting of Check Nut, Gland Body, Metal Washer(3 Nos.), Outer Seal Rubber Ring,Compression Nut, heavy duty Copper lugs (IS 8337- 1976) duly crimped with crimping tool, PVC tapefor following size of PVC insulated & PVC sheathed/ XLPE copper conductor cable of 1100 volt grade as required.All as per pre approved by Engineer in charge.4 x 10.0 sq.mm 85 4 x 16.0 sq.mm 86 Supply, Fabricating & installing following sizes of perforated Powder coated MS cable tray with perforation not more then 17.5% in convenient section including horizontal and vertical bends, reducers tees,cross members and other accessories as required and duly suspended from the ceiling with GI suspenders including GI bolts & nuts , fastners, supports etc. as required.All as per pre approved by Engineer in charge.150mm x 50mm x 1.6mm 87 300mm x 62.5mm x 2.0mm 88 450mm x 62.5mm x 2.0mm 89 Supplyandinstallationofhigh tensile low carbon steel rod molecularly bonded with 99.9 % Copperthickness (250 microns) andconfirming toUL 467, IS/IEC 62561-2of following size and length and as per point mentioned (a), (b), [c), (d), (e) below :- 90 (a) Bore a hole of dia. 100 mm of required length, Place the rod in the centre of Hole 91 (b)filled with anti corrosiveconductivecompounds with the permanent sealings at both the ends, CPRI/ ERDAtested with RMS capacity of minimum 30 KA for withstanding 1 second .To ensure the moisture content and electrical conductivity, 25 kg for 2000 mm & 50 Kgs for 3000mm of resistance lowering earth enhancement material shall be used as a backfill compound. The compound shall be tested form NABL acredeated labfor lowresistivity ( less than 0.12 Ohm - meter ) & high conductivity in nature with carbon as a major contentas per referance of IS 3043-1987,IEEE 80-2013 (clause 14.5d) , IEEE 837 & IER 1956 with latest amendemnts 92 © Connect the rod with copper Strip/Conductor/Wire with suitable clamp made from tinned copper and SS 304 Bolt 93 (d) Place Heavy duty weather proof poly-propylene earth pit chamber with lockable Jam free lid suitable for safe working load 5000 Kg or more of size Top Dia. 225 to 260 mm, Bottom Dia 300 to 350 mm. and Height250 to 300 mm. 94 (d)Testing of earth resistance for value of 5 ohms or lessas required & must record by engineer in charge during site visit and ensure to enter in measurment book. 95 (e) Test certificatesfor confirming above standards from OEM is mandatory. All as per pre approved by Engineer in charge. 17.2 mm thick and 3 Mtr. Long 96 Supply & Laying following size earth stripin horizontal or vertical run in surface by means of Earth strip DMC Insulatorincluding riveting/ soldering/ welding, Jointing shall be done by overlapping and with 2 set of Brass (for Cu strip) / GI (for GI Strip) nut bolt & spring washer spaced at 50cm making connection etc. as required.All as per pre approved by Engineer in charge.25mm x 3mm G.I. ( Hot Dipped) Strip 97 NON BSR 98 Supply,installation, testing and commissioningof factory fabricated Double Skinned DX CoilAir- handling unit fabricated out ofextruded aluminium sectionwith0.8mmpre-plasticized /pre-coated Galvanisedsteelsheetoutside& 0.8mm polished SS sheet inside complete with supply&exhaust blower sectionwithsingle/multipleAMCAcertifiedbackward curvedplugfanwithaerofoildesignblades,VFDwith builtinharmonicfiltersforbothsupply&exhaustfan motor,powercontrolpanelwithnecessaryswitchgears incoming&outgoing forVFD,HRW&humidifier, blower suitable for static pressure as required (Fan Static givenbelowisforguideline),blowermotorTEFC (IE3) typesuitable for operation on 415 volts ± 10%, 50 Hz ± 5% AC supply, 8 row cooling & 2 row heating coil madeofAluminiumfinnedCoppertube,Copperheader withcoilsection, pre-filtersectionwithnonwoven syntheticmediaMERV8filtersinextrudedaluminium frameinboththesupply&exhaustsideofAHU,fine filter section with MERV 13 filters in extruded aluminium frame in supply after fan, (Hepa filters shall be at terminalsalongwithlaminarflowplenum¬tobe includedinthecost),HeatRecoveryWheelwithHRW Section,mixingchamber,polishedstainlesssteeldrain pan made out of 22 G sheet duly insulated etc. without faceandbypassdampers,coilotronUVsectiononlyof 600 mm in length in floor mounted AHU (Coilotron UV System quantified separately). TheAHUpanelsshallbeinsulatedwith48mm thick&36Kg/m³densityPUfoam&shallhave thermalbreak. The motor& blower assembly shall bemountedonAluminium extruded sectiononly. These AHUsshallhaveairinlet/outletconnection madeofaluminium20 G & all fixing arrangement / blankoffshallbeofSSThecompleteAHU shallconformtostandardspecication.Theface velocity across cooling / heating coil shall be limited to152MPMmaxm.ThecapacityofAir-handlers shall be as follows: 99 2400 CFM (6.0 TR ) ESP - 120 mmFOR 1st FLOOR OT
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