Public Works Department-PWD has published Tender For Electric Repair And Maintenance Work Of Distribution Panel And Amf Panel At Raj Bhawan, Mount Abu. Submission Date for this Tender is 16-02-2024. Electrical Maintenance Tenders in jodhpur Rajasthan. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | 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:- |
| 2 | (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 |
| 3 | (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. |
| 4 | [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 ) |
| 5 | (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. |
| 6 | (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. |
| 7 | (f)Floor mounted panel shall be mounted on Base frame of ISMCchannel size 100 x 50 x 5 mm( to be paid Extra ) |
| 8 | (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. |
| 9 | (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. For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 10 | 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. For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 11 | Electrolytic grade (Cu-ETP) Tin Coated annealed copper bus bars IACS 100% grade |
| 12 | 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. For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 13 | Three phase Ammeterwith Inbuilt Selector Switch |
| 14 | Three phase Voltmeter with Inbuilt Selector Switch |
| 15 | 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. For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 16 | Ring type tape wound CT |
| 17 | C T Class 1, Ratio 200/5 to 300/5, Burden 10 VA |
| 18 | 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. For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 19 | Red/yellow/Green colour |
| 20 | 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 . |
| 21 | 3.3 KV,class A 2 mm thick with proof voltage 10 KV AC (rms) and Break Down Voltage 30 KV AC (rms) |
| 22 | Providing & Fixing of mechanical / digital time switch having following day / week programme and minimum 100 hours reserve and AC1 rating of 16-20 amperes including making connection, programming conforming to IEC 60730-1 and 60730-2-7 etc. 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 . |
| 23 | One day & week reserve (digital type ) |
| 24 | 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. For additional technical parameters of product / work refer Annexure "A" attached with this BSR |
| 25 | 4 pole MCCB With Thermal Magnetic release |
| 26 | up to 100 Amp , 25 kA, adjustable O/L & adjustable S/C setting, |
| 27 | 125 Amp , 25 kA, adjustable O/L & adjustable S/C setting, |
| 28 | 160 Amp , 25 kA, adjustable O/L & adjustable S/C setting, |
| 29 | Providing & Laying P.V.C. / XLPE insulated & P.V.C. sheathed ArrmouredAluminiumcable confirming to IS:1554 P-I / IS :7098 P - I of 1.1 KV withH4- Grade electrolyticaluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouring of cables, 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 it"s own in house NABL accrediated Laboratory for testing procedure as per IS:10810.For additional technical parameters of product / work refer Annexure "A" attached with this BSR |
| 30 | 70.0 Sq. mm |
| 31 | 3.5 core |
| 32 | 150.0 Sq. mm |
| 33 | 3.5 core |
| 34 | Add Extra for Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV gradedirect in ground including excavation of trench of size 75 cm (Depth) x 35 cm(Width) ,with procedure as per followingpoints:- (a) Make a river sand bed of height 125 mm along the trench,(b) Lay the cable in the middle of the trench,(c) Provide river sand bed of height 125 mm on top of the cable, (d) Lay the protective Common burnt clay F.P.S. Bricks of Class designation 75 / Sand stone slabs of 50 mm thicknessand 225 mm widejust above the sand bed vertically across the cable ( Approx. 9 no. Bricks per Mtr.), (e) Backfill the excavated soil leaving 300 mm from the Ground level, (f)Lay the Cable warning tape and again back-fill the remaining portion of the trench upto the ground level and compacting the earth |
| 35 | Add Extra in Item no.11.5 if Excavation done in Hard Rock / CC road / TAR Road and making Good the same |
| 36 | Up to 35 Sq.mm fixed with 25 mm x 2 mm thick suitable length red oxide and enamel painted MS clamp and base, pvc rawl plug and screws of sufficient size with spacing 0.6 Mtr. Between Clamps. |
| 37 | Above 95 sq. mm and upto 185 sq. mm fixed with 40 mm x 4 mm thick suitable length red oxide and enamel painted MS clamp and base, pvc rawl plug and screws of sufficient size with spacing 0.6 Mtr. Between Clamps. |
| 38 | 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 aluminium lugs (as per IS 8309 -1993) duly crimped with crimping tool, PVC tape as perIS 8337-1976offollowing size ofPVC insulated & PVC sheathed/ XLPE aluminium conductor cable of 1100 volt grade 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 . |
| 39 | 3.5 x 70.0 sq.mm |
| 40 | 3.5 x 150.0 sq.mm |
| 41 | Supply, Fabricating & installing following sizes of Hot dipped Galvanized iron cable tray ( Galvanized thickness not less then 50 microns) with rungs at span of 250mm including horizontal and vertical bends, reducers tees,cross members and other accessories as required and duly suspended from the ceiling/wall with M.S. suspenders etc. 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 . |
| 42 | 100mm x 50mm x 1.6mm |
| 43 | P / L of Double wall corrugated HDPE pipe confirming to IS : 16205 P-24, Stiffness Class750 N,Externally corrugated and having smooth surface insidewith HDPE Coupler, Elbow, Teeat required Depth below the ground for laying cable of followingNominal Outer dia.MFR Test reportfrom NABL accrediated is to be submitted.(Excavation of Earth& Back filling with compaction is to be Paid Extra)All as per pre approved by Engineer in charge. For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 44 | 90 mm |
| 45 | Mesh earthing as per IS:3043 with Hot dipped galvanizedearth strip of size 25 mm x 6 mm to form a mesh of size 1000 mm x 1000 mm in horizontal formation to create equal sections of 200 mm x 200 mm by means of welding and embodying 1 mtr. Below the ground level, refilling the pit by alternative layers of charcoal & salt up to 500 mm with 20 mm dia. GI "B" class watering pipe, wire mesh funnel and and 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 mmtesting 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.All as per pre approved by Engineer in charge.For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 46 | 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.For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 47 | 25mm x 3mm Alum. Strip |
| 48 | Earth work in excavation/ by mechanical means (Hydraulic Excavator) / Manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sum on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed: |
| 49 | Supply & fabrication steel structure with MS channel / angle / joist / ISMB / sheet etc. including welding, rivetting, cutting, nut & bolt , one coat of primer & two coat of enamel paint etc. as requiredcomplete in all respect. All as per pre approved by Engineer in charge.For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 50 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level |
| 51 | 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 52 | Providing & Fixing of IP54 microprocessor based 3 CT’s for all 3 phasesensing compensationpower factor correction relay Size 139mm x 139 mm, Operating Voltage 415/440 V, IEC / EN 61000-6-(2&4)having 3 CT sensing, sensitivity up to 50 milli amp secondary current , self analysing auto c/k setting according to targeted power factor setting, the relay shall havedigit display unit for display of real power factor, targeted power factor, lag/lead capacitor switching status, alarm output for under current, over current, insufficient compensation, communication interface with RS 485,indication of switching on units, auto/manual status, and shall have over load protection, no volt release , having multi parameter like KW, KVA, KVAR, RMS Value, step switching time 2 sec to 1800 sec. Lead & Lag parameters, metering facility and3 no. Class- 0.5 Cast ResinCT ( refer CT specs in this chapter )for sensing the relay including making coonection with 1.5 Sq.mm copper wire etc. 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 . |
| 53 | 6 to 8 stage |
| 54 | Providing & Fixing ofAC operated heavy duty 230 /440 Volt power contactor as per PWD specification for electrical Works, ISI marked IS/IEC 60947-4-1 : 2000 having provision of mechanical interlocking, auxilary contacts, Din rail mounting type including making connections, testing etc. 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 . |
| 55 | 4 pole Power contactorswith following AC 1 Rating |
| 56 | 63 Amp |
| 57 | Providing & Fixing of440 Volt 3 pole capacitor(AC 6 B ) duty contactor with 3 no. early make and post break auxiliary contacts in series with quick discharge damping resistors/ reactors to limit the inrush current as per PWD specification for electrical Works,IS/IEC 60947-4-1 : 2000, insulation voltage 1000V, impulse withstand voltage 8 KV,Din rail mounting type including making connections, testing etc. as required. suitable for following capacity capacitor bank.All as per pre approved by Engineer in charge. For additional technical parameters of products/ work, refer Annexure "A" attached with this BSR . |
| 58 | up to 6 KVAR |
| 59 | 10 KVAR |
| 60 | 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. For additional technical parameters of product / work refer Annexure "A" attached with this BSR |
| 61 | Double pole MCB(With B/C curve tripping Characteristics) |
| 62 | 50/63 A rating |
| 63 | Triple pole MCB(With B/C curve trippingCharacteristics) |
| 64 | 50/63 A rating |
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