Tender For Repair / Maintenance Of Ht Distribution System Including Repairs To Transformers, GodS, Las, Earthing And Allied Works At Div Area, 54 Idsr, 554 Asc Bn, 654 Eme Bn, Other Units, Assey Line, Map Jco/Or Md Accn, 125 Ta Bn And Adjoining Areaunder
Tender Value
49.22 Lakhs
Estimated cost
Bid Submission
01 Jul 2023
0 days left
EMD
98500
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
secunderabad → Telangana
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Repair / Maintenance Of Ht Distribution System Including Repairs To Transformers, GodS, Las, Earthing And Allied Works At Div Area, 54 Idsr, 554 Asc Bn, 654 Eme Bn, Other Units, Assey Line, Map Jco / Or Md Accn, 125 Ta Bn And Adjoining Areaunder Age E / M No Ii Of Ge ( Utility ) Secunderabad
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 12-Jun-2023 | Corrigendum to critical dates | Date | 24-Jun-2023 |
| 2 | 14-Jun-2023 | Covering to Revised BOQ | Other | 24-Jun-2023 |
| 3 | 14-Jun-2023 | Revised BOQ Corrigendum | BOQ | 24-Jun-2023 |
| 4 | 24-Jun-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 01-Jul-2023 |
BOQ
| Sl. No. | Item Description |
| 1 | M & L for servicing, greasing, cleaning of GOD, adjustment of its operation, cleaning and checking (for any type of damage) of insulators and lightening arresters incl. tightening of all loose nuts & bolts on the HT structure at site complete all as specified and directed . NOTE :- 1. All the necessary tools, tackles and ladder shall be arranged by the contractor for the subject work. 2. Contractor has to arrange for necessary cleaning agent (petrol, diesel, CRC 2-26 etc.) and lubricating material like grease, oil and lubricating sprays if any, as required for subject work. 3. Major spares required to be replace during servicing will be measured and paid under relevant item as specified in the schedule hereforth. |
| 2 | M&L for fixed type top contact for DO fuse units 11 kV in replacement complete all as specified and directed. |
| 3 | S&F Male contact (gunmetal) suitable for Horizontal/vertical operating type GOD 11 KV grade, 200 Amps rating in position as in replacement including testing and commissioning to the complete all as specified and directed |
| 4 | .- ditto- as per item No. 01 but Female gunmetal contact. |
| 5 | .- ditto- as per item No. 01 but Tinned copper flexible jumper. |
| 6 | .- ditto- as per item No. 01 but MS Jumper carrier. |
| 7 | .- ditto- as per srl item No. 01 but Back connector plate. |
| 8 | M&L GI pipe of size not less 25mm dia, medium grade, as down rod levers coupling & operating handle of the existing GOD cut to suitable length including fixing up the same and commissioning of the respective GOD complete. NOTE - The quoted rate is deemed to be inclusive of cost of threading, cutting of pipe incld. cost of nut, bolts, washers, etc. minor items required for the efficient operation of GOD complete all as specified and directed |
| 9 | M&L stay assembly comprising of MS stay plate 6 mm thick and of size 300 x 300 mm and 20 mm dia MS stay rod, 2150 mm long including thimbles GI stay strand 7/3.15 mm dia of required length complete all as shown on electrical plate No.1 on page No.495 of MES SSR Part-I 2009 including necessary excavation PCC 1:3:6 Type C2 (using 40mm graded stone aggregate), loop insulator as specified in SSR and including taking down old unserviceable one complete all as specified and directed |
| 10 | M&L of cross arms i.e bracing supporting clamps back plates, nuts, bolts and washers complete including one under coat and one finishing coat with synthetic enamel paint over a coat of red oxide primer &including taking down old unserviceable complete all as specified and directed |
| 11 | Supplying, fixing, connecting and testing in repair, single pole zinc oxide (gap less surge type), heavy duty, station class, self supporting outdoor type lighting arresters having rated voltage 09 KV (RMS), discharge current 10 KA insulation level 28/75 KV/KVp (peak) suitable for rated system voltage of 12 KV supply system with maximum continuous operating voltage (MCOV) not less than 7.65 KV (RMS) with highly non linear ceramic resister made of zinc oxide in dermetically sealed container, complete, with metal base, base insulator and suitable terminals for ground connections and pressure relieving arrangement complete all as specified and directed. |
| 12 | M&L ACSR jumpers in HT/LT over head line upto 10 mm dia as that of existing size including binding wire, nuts & bolts washers complete all as specified and directed |
| 13 | M&L of danger notice plate of 1.6mm thick mild steel sheet vitreous enameled white, with letters, figures and convention skull and bones in signalred colour and fixed with MS clamps bolts and nuts of approved size for HT 11 KV of size 25 x 20 cm completeall as specified and conforming to IS : 2551-1982 |
| 14 | Supply & fixing Tinned Copper fuse wire of 16SWG to 22 SWG or 10 Amps to 100 Amps capacity suitable for 11kV supplycomplete all as specified and directed |
| 15 | M&L for ACSR conductor, steel reinforced for LT / ht over head lines on poles including streching tightining of poles insulator with binding wire of suitable size with insulator/streching of ACSR conductor including disconnecting/taking out old existing unsv ACSR conductors complete all as specified and directed. |
| 16 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in hard/ dense soil for foundation of poles, structures, stay rods, laying of underground cable etc complete all as specified and directed |
| 17 | Excavation in trenches not exc. 1.5M wide and exc.1.5M & upto 3.0M tin depth for foundation ofstay/ pole and etc and getting out in hard/dense soilcomplete all as specified and directed |
| 18 | Returning, filling in soils including spreading, leveling, watering and well ramming in layers each not exceeding 25cm thick complete all as specified and directed |
| 19 | Removing excavated soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed |
| 20 | Spreading riddled earth ( after preparation of excavated earth) inCable duct forcushioning of cable laid in trenches complete all as specified and directedNote:- Punned thickness 18 CM( 6.25 Cm below cale and 11.75 cm above cale)will be measured for payment purpose. The earth removed during excavation to be used as rddled earth after crushing and sieving. Quoted rate inclusive of all arrangement as mentioned. |
| 21 | M&L for laying un-reinforced precast concrete cable cover, class HV , type 1 with ,size 300 mmX180mmX 40mm complete all as specified and directed. |
| 22 | M/L for cement concrete in foundation (1:4;8) type D2 using 40 mm graded broken stone aggregate for base of foundation complete all as specified and directed |
| 23 | M/L for cement concrete in foundation (1:3;6) type C2 using 40 mm graded broken stone aggregate including form work complete all as specified and directed |
| 24 | PCC (1:2:4) type B1 (using 20mm graded stone aggregate) as in coping including necessary formworkcomplete all as specified and directed |
| 25 | Supply and lay GI tubing 100 mm dia, light grade for cable protection at road crossing / on poles and tubing sealed at both ends after laying the cables complete all as specified and directedMake: Tata/Jindal |
| 26 | Supply and lay GI tubing 80 mm dia, light grade for cable protection at road crossing / on poles and tubing sealed at both ends after laying the cables complete all as specified and directedMake: Tata/Jindal |
| 27 | M&L for boring of horizontally holes under the road below 1.0 mtr from the road/hard surface by trenchless techonology using ultra sound technique and inclduing necessary machine without damaging the existing road and getting out in any type of soil and disposal of soil to a distance not exceeding 50m from the site of work including supply & laying HDPE pipe up to 150 mm dia suitable for 0.4 MPA work pressure . NOTE: AVERAGE WIDTH OF THE ROAD IS 20 RM. Necessary permission from State Govt and all associated agencies is the responsibilty of contractor. Departement will support through correspondence through proper channel |
| 28 | Supply, laying in replacement, in trenches /ducts/fixing on pole/STR with suitable size of GI clamps made out of GI strip 32 mm x 6 mm, XLPE insulated, screened, earthed, PVC bedded, galvanised steel strip, electric power cable (heavy duty) ofsize 3 x 95 sqmm with aluminium conductor suitable for 11 KV (E) grade as per relevent IS including latest amendment for IS (ISI marked cable) testing, commissionong along withS&FHT cable route indicatorat every 100mtrs with suitable foundationcomplete all as specified and directed including taking out of old burnt out cable alongwith cable covers. Note:- (a) Earth work, EHV cable cover, sand coushioning & GI pipe will be measured and paid seperately. (b) High voltage test to be conducted at site with suitable voltage before and after laying of HT cable and reading shall be recorded jointly and test report to be submitted in triplicate to the Engineer-in-Charge. The cost of the same shall be deemed to be included in the unit rate quoted above. |
| 29 | Same as above but 3CX120 Sqmm |
| 30 | Taking out and Relaying of HT 11 KVcable of size 95 sq mm to 185 Sqmm 3coreafter carrying out necessary Repair such as joining with Epoxy joint and laid with sand Cushioning and brick protection and making connection By using Lugsall as specified and directed by ingr in charge. Note: (a)Earth work , sand Cushioning, brick protection,Joints shall be measured and paid separately under Relevent Item) (b) Retrived serviceable bricks/ PCC covershall be reused under relevent item) |
| 31 | M&L for Supply, test, erection & commissioning of Steel tubalar swaged poles staying in a truely vertical position till the foundations are properly set with the help crane complete with cast iron base plate, finial taper plug, bolts, nuts & screws including drilling of holes to poles for clamps & hooks for running of earth wire/Strip complete all as specified type 410 SP-55,11 mtrs HT poles complete all as directed by Engr-in-Charge. Note:-(i)Crane charges for erection shall be deemed to be including in quoted rate.(ii) Earth work,PCC,coping shall be measured and paid separately.(iii) The rates include staying the poles in atruely vertical position till the foundations are properly set.(iv)The rates include cast iron base plate,nuts,bolts,screws,painting of steel tubular poles,drilling of holes in steel tubular poles for fixing of clamps,hooks for continuousearth wire/strip. |
| 32 | Disconnecting the electric supply, taking down the old u/s Disc insulator and Supply & Fixing Disc insulator single disc 11 KV grade porcelain vitreous brown or green 145mm high and 255 mm diacomplete all as specified and directed |
| 33 | Disconnecting the electric supply, taking down the old u/s pin type insulator andSupply & Fixing pin type insulator 11 KV grade porcelain vitreous brown or green insulator including one galvanised iron washer and one nut150mm high and 150 mm dia including taking out old unserviceable one complete all as specified and directed |
| 34 | Disconnecting the electric supply and taking down the broken unserviceable post top insulator andS&F post top porcelain insulator vitrous brown with GI clamp nuts bolts etc suitable for 11000 Volts grade working pressure complete all as specified and directed |
| 35 | M&L for Cable jointing kit for 11 KV (earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm including taking out old u/s one complete all as specified and directed |
| 36 | All as per item No 35 here- in- before but size 120 to 185 Sqmm complete all as specified and directed |
| 37 | M&L for Cable jointing kit for 11 KV (earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm including taking out old u/s one complete all as specified and directed |
| 38 | All as per item No 37 here- in- before but size 120 to 185 Sqmm complete all as specified and directedNote: Earth work shall be measured and paid separately. |
| 39 | M&L for Cable jointing kit for 11 KV (earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm including taking out old u/s one complete all as specified and directed |
| 40 | All as per item No 39 here- in- before but size 120 to 185 Sqmm complete all as specified and directedNote: Earth work shall be measured and paid separately. |
| 41 | M&L for Advance Maintenance Free G.I. SAFE EARTHINGElectrodewith PIPEof not less than 50 mm outer dia( THICKNESS NOT LESS THAN -2.5MM) and two meterlength, The electrode should be ofgalvinised (80 -100 micron) along with earth lead as Galvanised steel strip of size 32 X6 mm7.5 m . The GI Electrode shall be pre-filled with Cristaline Conductive Material (CCM) . The GI electrode shall be surrounded with 25 kg BackFill compoundto provide maximum contact between the electrode and Back Fill Compound.GI Electrode Shall be tested from CPRI.The earting pit should be cover with pcc(1:2:4 , B1) cover ,of450 x 450 mm complete all as specified and directed.Make:TRUE POWER / ASHLOK/INDELEC/JMV /TERCEL. |
| 42 | M&L for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mmby means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soilto a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1,using (20mm graded stone aggregate),\"mild steel angle iron frame\" made out of MS angle iron of size 40x40x6mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia mediumgrade pipe for watering 40mm dia light grade, GI pipe for lead protection in and including alternate layers of charcoal dust and common salt complete all as shown inelectrical \"plate No \"3\" and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and directed. |
| 43 | S&F earth continuity conductor or main earthing lead fixed to wall on batten or fixed to pole GI strip 32 x 6 mm all as specifieddirected. |
| 44 | Supply, test, install & commissioningof HT 11 KV outdoor type gang operated air break switch triple pole mechanically operated suitable for horizontal or vertical mounting(suitable for existing one) on insulator and steel frame with operating mechanism worked from ground level for current rating up to 400 Amps and connecting up with jumpers, testing and commissioning including dismantling/disconnecting & taking down the old unserviceable one complete all as specified and directed |
| 45 | Inspection of defective 11kv HT cable(laid in UG/trench/tunnel/wall/surface) to locate the fault using cable fault Locator machine(by surge generators mounted on Van) (fault either by Short/Moisture/earth fault or any type) including complete all as specified and directed |
| 46 | M&L for cleaning/Painting the HT poles of OH lines and HT Four poles/two poles and single pole structure complete with cross arms any height and any description thoroughly with necessary cleaning agent including scrapping up of old corroded paint dirt/dust/rust carefully and applying two coats of synthetic aluminum paint including marking and colour washing of pole coping details as are under :- |
| 47 | Two poles with cross Arms |
| 48 | Four Poles with cross Arms |
| 49 | Single HT 11mtr Pole with cross Arms |
| 50 | M&L for Spray painting of upto 500 KVA transformer pole mounted / plinth mounted at site and applying two coat of synthetic enameledSmoke grey paint after removing all dust & rust and paint shall confirm to IS 2032 including marking or transformer capacity with stencil letter with black or white paint and Font and Size of letter shall be directed by Engr-in-Charge, complete all as specified and directed |
| 51 | Cutting anxious green growth / vegetationgrowth for cleaning out the area around transformer installations and four pole structure yards at ground level by cutting out roots, un wanted plants bushes and removal of the same by surface excavation not exceeding 30 cm deep average 15 cm complete all as specified and directed. |
| 52 | Maintenance of earthings of installations like cleaning of earth pits, treatment of earthing by pauring salt water, replacement of perished wire mesh, unserviceable funnel and repair works like patch works to the PCC chambers and RCC cover with cement mortar 1 : 4 complete all as specified and directed. |
| 53 | Restreching/Restringing, tightening and repair to overhead line ACSR conductor of any size on HT poles including necessary Aluminium binding wire connectors PVC sleeves for jumper, fixing of insulators and prunning of tree complete all as specified and directed.. Note: 3 run of ACSR conductor is deemed to one unit. |
| 54 | Dismantling and taking out existing Expulsion fuseunit single pole 11 KV channel mounted complete including supply and fixfor new Expulsion fuse unit single pole 11 KV, above 50 & 100 amp channel mounted complete all as specified and directed. |
| 55 | Cutting and trimming trees branches any girth and any size touching to overhead lines and cleaning the distance 1.5 mtr length both side of OH line with in a span of 50 mtrs each disposing the same, clearing the site complete all as specified and directed. |
| 56 | Cutting the existing road straight by manual, depth and width not less than 1 mtr below ground level for passing of underground cable and filling back with excavated soil upto 75% road portion and 25% shall be made with cement concrete 1:2:4 (using 20 mm graded aggregate stone complete all as specified and directed. Note : As per Item No 27 |
| 57 | Supply and fixing cable route indicator for HT UG Cable of 11000 Volts bolted with 40 x 6 mm flat iron member of height 0.60 mtr, and 80 mm dia CI plate embedded in PCC 1 : 3 : 6 type C2 of size 20 x 20 x 30 cm block complete all as specified and directed. |
| 58 | Surface excavation not exc 30 cm deep andaveraging 15cm deep and getting out HARD / DENSEsoil complete all as specified and directed. |
| 59 | M&Lfor shingle filling in floors or pavings of Gauge 20 mm to 40mm, deposited, spread and levelled in layers not exc. 150mm thick, watered and rammed to a True Surface, complete all as specified anddirected. |
| 60 | Supply & Layingof Insulating mats 2.5mm thick made of Elastomer (a generic term that includes rubbers, latex and elastomeric compounds that may be natural or synthetic or a mixture or a combination of both) for use as floor covering for the protection of workers on ac and dc installations with the system voltages up to 11 kV ac and 240 V dc and as per Cl 5 of IS15652 latest Class B Cat II of Size 1m X 2m complete with Relevant Test Reports and fixing on floor with suitable adhesives complete all as specified anddirectedNote:- the mat should be permanently pasted with the help of suitable adhesive/resin. All joints and comers shall be filled/coveredwit,hinsulating material of matching colour. Matching colour and matching designed tapes should be used to maintain anaesthetic look of the installation. |
| 61 | Supply of Hand Glouves 11 KV ISI marked |
| 62 | M&L anti climbing devices; comprising 2.24mm dia galvanised steel 2-strand barbed wire with 2.00mm dia barbs wrapped spirally round poles, to a length of 0.5 to 1.0 metre clamped and properly secured or as ordered (clamps measured separately) complete all as specified and directed.. |
| 63 | M&L for Disconnection of all Primary/Secondary connections of the defective transformer rating up to 200kVAout door / indoor type, any make, taking down / out from plinth / pole / platform with the help of suitable crane and transporting the same carefully to workshop for repairand bringing back and test, install & commissioning in its original existing position by making all neccessary connections complete all as specified and directed.Note :- Crane and Transporting Charges including in the Job. |
| 64 | M&L for Disconnection of all Primary/Secondary connections of the defective transformer rating above 200 andup to 500kVAout door / indoor type, any make, taking down / out from plinth / pole / platform with the help of suitable crane and transporting the same carefully to workshop for repairand bringing back and test,install &commissioning in its original existing position by making all neccessary connections complete all as specified and directed.Note :- Crane and Transporting Charges including in the Job. |
| 65 | M&L for Opening top cover of transformer taking out complete oil and keeping in clean and dry container, taking out core & winding from the body,remove the sludge from tank complete and segregation of HT/LTcoil from transformer including job assembling of jointing the connections pfHT/LT coil in core assembling complete insulation works, setting of core, making new connections (as per existing connections), proper alignment of job including keeping in oven chamber of as per IS Specification of respective transformer capacity for remove the moisture as well as fixing of upper yoke lamination, checking, tightening, nuts, bolts, washers and all types of gasket ( Bushing and tank) etc and welding if any leakage found in bodyor fins, making good dificient item if any, testing the jobs with megger for proper results including two coats of anti corrosive paint aftre cleaning inside transformer tanks and two coats of outside painting including writing KVA Capacity, repairs of body by means of welding, jointing if required complete for capacity up to 200 KVAwith complete Testing and Commissioningall as specified and directed. |
| 66 | M&L for Opening top cover of transformer taking out complete oil and keeping in clean and dry container, taking out core & winding from the body,remove the sludge from tank complete and segregation of HT/LT coil from transformer including job assembling of jointing the connections pfHT/LT coil in core assembling complete insulation works, setting of core, making new connections (as per existing connections), proper alignment of job including keeping in oven chamber of as per IS Specification of respective transformer capacity for remove the moisture as well as fixing of upper yoke lamination, checking, tightening, nuts, bolts, washers and all types of gasket ( Bushing and tank) etc and welding if any leakage found in bodyor fins, making good dificient item if any, testing the jobs with megger for proper results including two coats of anti corrosive paint aftre cleaning inside transformer tanks and two coats of outside painting including writing KVA Capacity, repairs of body by means of welding, jointing if required complete for capacity above200 KVAand upto 500 KVA with complete Testing and Commissioningall as specified and directed. |
| 67 | M&L for Making Primery/Secondary coil with insulating copper wire of required gauge craft paper cotton tape HT/LT insulation as per specification of old existing transformer including making of coil as required of various capacity of transformer complete all as specified and directed. |
| 68 | M&L for Reconditioning of over heated HT/ LT coil of transformer up to 400 KVA after removing all old insulation any type and re-insulation as required and remaking of LT coil complete all as specified and directed |
| 69 | M&L for Opening of the 11 KV / 0.433 KV Distribution transformer ratingup to 500 KVA by removing the inspection cover / top cover, decanning of the transformer oil up to the required level,check leaked cork seal(if any), check the un sericeableinsulators & LT/HT bush (if any) complete from the shell and making connections of LT/HT bush,insulators & cork sealsto avoid leakage andrefilling oil back to existing postion into the transformer complete testing & commissioning complete all as specified and directedNote: Spares shall be measured and paid separately under relevant items |
| 70 | S&F in renewal of transformerbushing LT sideincluding brass set stems conical bush/gasket for indoor/outdoor transformer for the following capacity :-Note : The rates quoted is deemed to be included the cost of necessary labour charges for draining out transforer oil, opening of top cover by unscrewing nut, bolts washers and and suitable size pad type bus bar almuminium and nut pach washers etc |
| 71 | Upto 160 KVA |
| 72 | 200 KVA to 500 KVA |
| 73 | S&F following accessories of transformer in replacement of unserviceable, complete all as specified and directed :- |
| 74 | (a) Top cover gasket and gaskets set fo conservator tank etc completeof FOR DISTRIBUTION TRANSFORMER OF 50-500 KVA any capacity as per site requirement. |
| 75 | (b) Temp gauge 0-100 degree Celcius suitable for distribution transformer 11/0. 433 KV with stem 6\"\" guage |
| 76 | (c )Porcelain transformer bushing HT 11 KV including brass set stems, conical bush/ gasket for indoor/outdoor transformer upto 500 KVA as per IS-3347 complete all as specified anddirected. |
| 77 | LT rod / studs forany make of transformer rating up to 200KVA mounted on pole/plinth, made of brass with nut and washers, Insulator and fittings etc as per size and shape of original complete including taking down old u/s one complete all as specified and directed |
| 78 | LT rod / studs forany make of transformer rating up to 250KVA to 500 KVA mounted on pole/plinth, made of brass with nut and washers, Insulator and fittings etc as per size and shape of original complete including taking down old u/s one complete all as specified and directed. |
| 79 | S&F in renewal silca jel breather assemblywith vent pipe for indoor/outdoor transformer of the follolwing capacity :- |
| 80 | Upto 160KVA, Cap 250 |
| 81 | 200KVA to 500KVA, Cap 500 |
| 82 | Replacment / Renewal ofSilica gel for filling in existing air breather by removing old one complete all as specified and directed. |
| 83 | Arresting leakage of transformer fins by replacing/ brazing etc, after removing of oil from inside of transformer and refilling of oil by opening top cover of transformer of capacity upto 500KVA complete all as specified and directed. |
| 84 | Supply and filling of transformer oil in transformer plinth / pole mounted including testing insulation and vescocity of oil complete all as specified and directed |
| 85 | M&L for Dehydration including filtration cleaning of transformer oil in transformer indoor/ outdoor type by centrifusion / machine having minimum capacity 1000 to 30000 ltrs/ hrs including testing insulation and vescocity of oil before and after dehydration complete all as specified and directed |
| 86 | M&L for Shifting of the any make of transformer rating up to 500 KVAmounted onplinth/pole from existing location to new location and existing transformer vice versa,including removing and reconnections of HT/LT side, jumper / cable connection, control cable connection of both transformers including testing and commissioncomplete all as specified and directedNote:- (i) The rate quoted is deemed to be inclusive of necessary crane / vehicle charges for shifting and installation of the transformer. |
| 87 | Dismantling HT/LT pole of any height by taking out from PCC foundation complete and shifting to other location as directed including fixing the pole in true vertical position including excavation and earth work, PCC 1:4:8 type D2 (using 40mm graded stone aggregate) as base concrete and PCC 1:3:6 type C2 (using 20mm graded stone aggregate) in both foundation and coping of poles all as specified in SSR Part I-2009 and applying two coats of aluminium paint to pole surface complete all as specified and directed |
| 88 | Healthiness test of whole HT 11 KV installation such as VCB by injecting artifical HT supply complete all as specified and directed |
| 89 | S&F multi Functional electric meter for HT panel to measure Voltage/Amp, PF etc suitable for operating with existing CT/PT of size 96X96 mm complete all as specified and directed |
| 90 | M&L in replacement of Multi function energy meter with Supply, Test and commissioning of 3Phase 4 wire Maximum demand controller MFM LCO type with class 0.5 Rs. 485 and real time clock etc, suitable to monitor, recording and controlling of Maximum demand including provision for fixing in existing enclosure or by provision of suitable enclosure ocomplete all as specified and as directed. The MD Controller shall be equipped with following features:-Monitoring - Max demand profile during a billing cycle. Demand peaks with date & time can be identified in the meter . The events can be studied and related with the min/max load events such as starting of Large pumps/AC Plants etc., and helps to decide on switching/staggering of loads etc. Control - MD Controller should enables user to program the threshold values of max demand and initiate ALARM/ CUT-OFF when the Forecast Demand/ Present Demand/ Max Demand surpasses the threshold values, so ad to enable the systemfrom not exceeding the sanctioned demand and avoid causing a trip or paying huge penalty. |
| 91 | Additional Load - Shall be able to decide to transfer the exact quantum of load from EB to DG or vice versa for economic power. High Low Event Recording for V, A, Hz, VA, W, VAr, PF Protection of 3 phase system against single phasing, low & high voltage, over load, highly lagging and leading PF, Hz etc. Navigator can trap such events for future reference. Identify, record unbalance voltage, currents and helps the user to identify the root cause. Unbalance over-burdens the electrical system and affects in the form of over loading of cables, motors and switchgear. PF Management : Lower the Avg PF higher the system inefficiency.The Digital output features shallinitiate alarm when the Avg PF crosses the user programmed threshold values (Lead/ Lag). Switch Gear (ACB or MCCB) required Shunt trip coil (230VAC) to trip the same when demand crossed the thresh hold value.Note: Rtaes for Provision & fixing in the existing panel/with suitable enclosure is deemed to be included in the quoted rates. No extra payment will be done on this account.Make : Elmeausre/L&T or equivalent. |
| 92 | M&L for control wiring including defining logic for MD Controller for Item No 81 above from Switchgear Relaying/Trip circuit with suitable size of multi core coppercotrol wiring to monitor, alert, controlling MD by provision of hooter for alerting the duty operator in case of exceeding MD for the designed thredhold values. Note: 1. Contractor should inspect the site before quoting the tender. Control wiring system any No of runs and Length suitablefor MD controller shall be done by the Rep of OEM of MD Controller and shall study the loading pattern and design the control system complete including the features of controller. After fininshing the job OEM rep shall submit the test report by mentioning all set parameters. Note 2: Any defect/damage to the MD controller shall be attended in 24 hrs till DLP. Failing the penality/excess demand charges if any paid by department to TSEB shall be reimbursed by the contractor.Note 3:- Training along with suitable notes for operation and monitoring of MD Controller shall be given to Min 2 duty technicians as directed by Engr-in-Charge |
| 93 | Taking down HT switch gear (Vacuum circuit breaker ) of capacity400 to 800 Amps, 11 KV 250 to 450 MVAcomprising of following repairs, overhauling, servicing and refixing the same after repairs/ overhauling: (a) Tripping off the breaker, lowering the breaker with raising/lowering handle and pulling out the breaker complete from the panel along with the trolley for servicing/inspection/overhauling(b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.(c) Servicing/Inspecting/checking ofcircuit spoutand cicuit spout connections for RYB phases and replacement of spares if required.(d) Dismantling and checking of cross bar assembly, fixed contacts and current carrying parts of the breaker, trolley, insulated assembly and checking lamination with clamps, epoxy spout, isolator assembly etc. (e) Setting, reassembling, cleaning, adjustment of fixed contacts, main contact, arcing contacts and chamber baffle pot assembly, moving contact for proper setting of auxiliary contacts operating (f)Servicing/Inspecting/checking ofsecondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.mechanism. (g)Checking, setting and adjustment of lowering and raising operation of the breaker trolley. |
| 94 | (h)Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating and closing of shutter gear, isolation resistance of trolley of with vacuum interrupter assembly. (j) The inspection of HT switch gear shall involve:-(i) Inspection of truck & hoist assembly.(ii) Inspection of tank assembly & barriers.(iii) Inspection of assembly & components of solenoid assembly.(iv) Inspection of assembly & components of dependent mechanism.(v)Inspection of assembly & components of spring box mechanism.(vi)Inspection of motor mechanism spring charge assembly (vii)Inspection of assembly of trip unit & related components |
| 95 | M/L for strip opening the HT panel of rating 11 KV, 3 phase comprising of following repairs, inspecting, overhauling and servicing/ re-fixing of the spares etc complete all as directed:(a) Dismantling the complete instrument chamber/HV cable box/LV cable box. Decarboning/ cleaning the complete HT 11 KV 3 phase independent bus bar, bus bar chamber of HT pane; and inspecting the bus bar insulators.(b) Checking, inspecting, calibraton of IDMT relays complete.(c) Checking complete electrical tripping circuit of HT panel including control wiring from secondary system rotary to tripping coil, auxiliary swith male and female housing cut out etc, and wiring including replacement of damagegd wire at places including operation on DC system, testing and commissioning complete all as directed.(d) Inspection of CTs and PTs if any. Replaceing the defective CT/PT\"s incl accuracy in checking of the CT wiring with primary and secou ndary injection kit including identification to the base abd connecting links to main switch including taking down unserviceable current transformer complete all as specified and directed(e) Inspecting of indicating lamps, rotary switches/selector switches, toggle switches etc complete |
| 96 | Notes : (i) The rate quoted shall be deemed to include for necessary T&P, minor spares like nuts, bolts, washers, gasket, insulation tape, lugs, compound etc, to put in to the HT anels in serviceable condition, testing and commissioning all as specified adnas directed by the Engineer-in-Charge. (ii) Major spares like CT\"s, PT\"s, IDMT relays, ammeters, voltmeters, indicator, control wiring, rotary/selector & toggle switches etc shall be measured and paid separtely under relevant items of Schedule \"A\" item No 83. However the rate quoted shall be deemed to include for any other minor spares require replacement. |
| 97 | Supply only spare parts for VCB |
| 98 | Opening/Closing push button Assly |
| 99 | Spring charging motor and Gear Assly. |
| 100 | Limit Switch Assly including connected control wiring etc |
| 101 | TNC Switch |
| 102 | Closing Coil |
| 103 | Auxiliary Switch with link |
| 104 | Tripping Coil |
| 105 | Thermostat |
| 106 | Spring return latch Assy |
| 107 | Vacuum interrupter Assy |
| 108 | Digital ammeter with built in selector switch |
| 109 | Shrounds for spout Insulator |
| 110 | Strip heater 230V, 80 Watt |
| 111 | Digital Voltmeter with built in selector switch |
| 112 | Indicating Lamps LED Type |
| 113 | Support insulator |
| 114 | Fixed contact block 400 Amp |
| 115 | Moving contact block 400Amp |
| 116 | Excavating in post holes( or similar holes) each n exceeding 0.5 cu.m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm of surface in hard/dense soil for embeding fencing post etc complete all as specified and directed |
| 117 | Supply only Chain link MS Galvanized fencing 50 mm Mesh in replacement of Unserviceable barbed wire and including taking down old unserviceable one complete all as specified and directed |
| 118 | Fixing only chainlink fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc including provision of binding wire complete all as specified and directed |
AI Tender Summary
Tender Timeline
Jun 24, 2023
11:30 IST
Tender Published
Tender notice published.
Completed
Jun 24, 2023
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Completed
Jun 24, 2023
18:00 IST
Corrigendum-2 Issued
Clarifications on tender conditions and amendments issued.
Completed
Jun 24, 2023
18:00 IST
Corrigendum-3 Issued
Clarifications on tender conditions and amendments issued.
Completed
Jul 01, 2023
18:00 IST
Corrigendum-4 Issued
Clarifications on tender conditions and amendments issued.
CompletedJul 01, 2023
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedJul 08, 2023
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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