Tender For Repairs To External Electric Supply System Including Transformers Under Ge Avadi
Tender Value
56 Lakhs
Estimated cost
Bid Submission
11 Mar 2023
0 days left
EMD
1.10 Lakhs
Bank guarantee accepted
Document Fee
1000
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
avadi → Tamil Nadu
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Repairs To External Electric Supply System Including Transformers Under Ge Avadi
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 04-Mar-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 11-Mar-2023 |
BOQ
| Sl. No. | Item Description |
| 1 | BOQ UPLOADED ON 13 FEB 2023 |
| 2 | SCH \"A\" PART-I (E/M ITEMS) |
| 3 | Excavating in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying of cables etc not exceeding 10 sqm on plan and not exceeding 1.5m depthand getting out in any type of soil all as specified and as directed. |
| 4 | All as per item No 3 above but depth exceeding 1.5 M and not exceeding 3.00 Mtr |
| 5 | Removing excavated surplus 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 as directed. |
| 6 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in any type of soil complete all as specified and as directed. |
| 7 | Fine sieved excavated dry soil laid to required depth of trench at bottom and top for cable cushioning all as specified and as directed.Note - (a) Punned thickness only shall be measured.(b) The soil used shall be free from sharp grains and deletrios materials like dry/decayed plants etc., |
| 8 | Supply and lay Reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mmx l80mm x 40mm all as specified and as directed. |
| 9 | Taking out existing cable any type / cross section and Supply, laying, connecting and testing HT UG cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty)with aluminium conductor, 11000 volts grade, (Earthed), 3 core, cross sectional area 95 sqmm inbridges / culvert / trenches / drawn through pipe / fixed on walls/ bare in road crossings / paths / drains / ducts / floors / fixed on poles / equipments complete all as specified and as directed. |
| 10 | Taking out existing cable any type / cross section and Supply, laying, connecting and testing HT UG cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty)with aluminium conductor, 11000 volts grade, (Earthed), 3 core, cross sectional area 120 sqmm inbridges / culvert / trenches / drawn through pipe / fixed on walls/ bare in road crossings / paths / drains / ducts / floors / fixed on poles / equipments complete all as specified and as directed. |
| 11 | Taking out existing cable any type / cross section and Supply, laying, connecting and testing HT UG cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty)with aluminium conductor, 11000 volts grade, (Earthed), 3 core, cross sectional area 185 sqmm inbridges / culvert / trenches / drawn through pipe / fixed on walls/ bare in road crossings / paths / drains / ducts / floors / fixed on poles / equipments complete all as specified and as directed. |
| 12 | Taking out existing cable any type / cross section and Supply, laying, connecting and testing HT UG cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty)with aluminium conductor, 11000 volts grade, (Earthed), 3 core, cross sectional area 240 sqmm inbridges / culvert / trenches / drawn through pipe / fixed on walls/ bare in road crossings / paths / drains / ducts / floors / fixed on poles / equipments complete all as specified and as directed. |
| 13 | Note for item No 8.00 to 11.00:- |
| 14 | (a) Lugs and glands shall be used appropriately wherever required while connecting cables to the panel board and the quoted rates are deemed be include for the same. |
| 15 | (b) Earthwork, sand cushioning, protection for cableetc.,as required shall be measured and paid separately. |
| 16 | Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm as in repairs complete all as specified and as directed. |
| 17 | Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm as in repairs complete all as specified and as directed. |
| 18 | Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 sqmm as in repairs complete all as specified and as directed. |
| 19 | Material and labour for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm as in repairs complete all as specified and as directed. |
| 20 | Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm as in repairs complete all as specified and as directed. |
| 21 | Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm as in repairs complete all as specified and as directed. |
| 22 | Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 sqmm as in repairs complete all as specified and as directed. |
| 23 | Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm as in repairs complete all as specified and as directed. |
| 24 | 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 95 sqmm as in repairs complete all as specified and as directed. |
| 25 | 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 120sqmm as in repairs complete all as specified and as directed. |
| 26 | 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 185 sqmm as in repairs complete all as specified and as directed. |
| 27 | 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 240 sqmm as in repairs complete all as specified and as directed. |
| 28 | Supply and installing Polymer Switch Air Break gang operated triple pole, mechanically operated mounted on polymer insulator and steel frame with operating mechanism worked from ground level complete with 9number polymer insulators of rating upto 200 Amp 11000 volts including necessary length of down pipe made up of galvanized iron medium grade 20mm bore with operation handle and locking arrangements including taking down the old unserviceable one complete all as specified and as directed . |
| 29 | Taking up and down steel tubing and connections and taken on credit and provision of Steel tubing, galvanised, light grade, with necessary fittings such as bends, elbows, tees etc., and laid in bridges / culvert / trenches/ under roads / crossings etc., ofbore of pipe 80mm for cable protection complete all as specified and as directed. |
| 30 | Note:- |
| 31 | Earthwork as required shall be measured and paid separately. |
| 32 | Pin type polymer insulator, including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut for 11000 volts grade including taking down the old unserviceable one complete all as specified and directed. |
| 33 | Disc type polymer insulators, creepage distance 120 mm, T&C and B&S end fitting type suitable for high tension over head conductors working pressure 11000 volts gradeincluding taking down the old unserviceable one complete all as specified and as directed . |
| 34 | Loop type insulator, poecelain, vitreous white, brown or green with over all dimension 90mm X 140mm clearance of hole 25.5mm as in repairs complete all as specified and as directed. |
| 35 | ACSR conductor of any size for HT over head line and jumpers on PCC/RCC/Steel pole including binding wires line connecting up etc of any size including taking down old unserviceable ACSR all specified and directed . |
| 36 | Anti-climbing device; spikes type fabricated out of M S bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole of any size including taking down old unserviceable one all specified and directed . |
| 37 | Dismantling cross-arms of mild steel channel or angle sections etc., complete and taken on credit and provision of new Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat of red oxide zinc chrome primer, one under coat and one finishing coat of aluminium paint complete all as specified and as directed. |
| 38 | Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT opf size 25x20cm size including taking down the existing unserviceable board complete all as specified and as directed. |
| 39 | Polymer Lightning arrester expulsion type complete with all fitting transmission class, discharge capacity 200-800 Amp 11000 Volts rating including taking down old unserviceable one complete all as specified and as directed. |
| 40 | Supply only Synthetic insulated mat of size 2mtr x 1mtr x 2mm thick, class A (Suitable for upto 3.3 Kv Ac Panel) for HT installation including taking down the existing unserviceable mat complete all as specified and as directed.Make : Jyoti/Denson or equivalent. |
| 41 | Supply only Synthetic insulated mat of size 2mtr x 1mtr x 2.5mm thick, Class A (Suitable upto 11 Kv AC Panel) for HT installation including taking down the existing unserviceable mat complete all as specified and as directed.Make : Jyoti/Denson or equivalent. |
| 42 | Removing of old earthing materials and taken on credit and provision of new earthing complete with galvanised iron earth plate electrode 600mm X600mm X minimum 6mm thick, with and including earthing of 32mm x 6mm GI strip protected by 40mm dia GI pipe light grade upto a length of 7.5m. The plate shall be buried directlyin ground vertically to a depth not lessthan2.25 metres below ground level with top edge of the earth plateat a depth not less than1.5 metres belowgroundlevel, connectedto earth leadasdescribedhere-in-beforebymeansofbolts,nuts, washers and checknuts made out ofgalvanised iron or mild steel, earthinglead protectedby asdescribedhere-in-beforeand connected to main switch board or main control board or electric poleall asshownonelectricalplate No 3of MES Sch Part-I including necessaryearth work and excavation in any type ofsoil, plain cement concrete 1:3:6,typeC1 chamber, reinforcedcement concrete cover slab with locking arrangement and handle of 10mm dia MS round bars 450mm long, 1:2:4 type B1, 50mm thick with 8mm diaTMT barsat140mmcentreto centrebothways, GI pipe of bore 20mm medium grade for watering with funnel, wiremesh, salt, charcoal, lugsincluding testing complete all as specified and as directed. |
| 43 | Hardcore broken stone boulders of guagenot exceeding 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rolled/rammed to a true surface complete all as specified and as directed. |
| 44 | Horn Gap typeFuse unit, 11000 volts grade, mounted on insulators and steel frame, single pole, fixed on DP structures all specified and as directed including dismantling existing unserviceable fuse unit. |
| 45 | Expulsion type drop out fuse with all accessories and contact insulator etc fixed on HT pole for rating 10 to 100 Amps suitable for 11 KV Horn Gap type fuse including dismantling existing unserviceable one complete all as specified and as directed. |
| 46 | Taking down, servicing and overhauling of Vacuum circuit breaker (VCB) Amps : 400A, HT, 11KV VCB by drawing out the draw out module of the breaker, carrying out complete cleaning with clean cloth & cleaning agent, lubrication of the mechanism & greasing with high temperature molly grease,testing for smoother ON/OF operation, carrying out relay calibration of protection relay by secondary current injection methods to check trip time characteristic of relays, checking of healthiness of CTs & Pts. Checking of IR value of Interrupters, healthiness of Protection Tripping of Circuit breaker etc. Choking and servicing switchgear Interlocks and Safety Like Mechanical - 1. Positive Interlock, 2.Negative Interlock, 3. Spring Discharge Interlock, 4. Padlocks, 5. Key Interlocking 6. Safety Roll in Stop, 7. Safety Roll - out Stop,8. Rating Interference Interlock. Electrical - Interlock Switches) Checking of Electrical operations of the breaker for ON/OFF & Trip operation for Incomer and Outgoing including submission of service & test reports. The servicing to be done by authorised service provider of manufacturer.Note :- (i) Unit rate quoted is deemed to be inclusive of spares/ lubricants other than the spares mentioned underitem No 44.00 to 51.00 (ii) The rate quoted is deemed to be inclusive of labour charges for fixing taking down and renewal of defective spares.(iii)The defective parts to be renewed shall be measured and paid seperately as Supply only and noting extra shall be admitted. |
| 47 | Taking down, servicing and overhauling of Vacuum circuit breaker (VCB) Amps : 630Amps to 800 Amps, HT, 11KV VCB by drawing out the draw out module of the breaker, carrying out complete cleaning with clean cloth & cleaning agent, lubrication of the mechanism & greasing with high temperature molly grease,testing for smoother ON/OF operation, carrying out relay calibration of protection relay by secondary current injection methods to check trip time characteristic of relays, checking of healthiness of CTs & Pts. Checking of IR value of Interrupters, healthiness of Protection Tripping of Circuit breaker etc. Choking and servicing switchgear Interlocks and Safety Like Mechanical - 1. Positive Interlock, 2.Negative Interlock, 3. Spring Discharge Interlock, 4. Padlocks, 5. Key Interlocking 6. Safety Roll in Stop, 7. Safety Roll - out Stop,8. Rating Interference Interlock. Electrical - Interlock Switches) Checking of Electrical operations of the breaker for ON/OFF & Trip operation for Incomer and Outgoing including submission of service & test reports. The servicing to be done by authorised service provider of manufacturer.Note :- (i) Unit rate quoted is deemed to be inclusive of spares/ lubricants other than the spares mentioned under item No 44.00 to 51.00(ii) The rate quoted is deemed to be inclusive of labour charges for fixing taking down and renewal of defective spares.(iii)The defective parts to be renewed shall be measured and paid seperately as Supply only and labour element involved shall be deem to be included in quoted rate of this item |
| 48 | Supply only of following items of400 to 800 Ampere, 11 KV, 3 phase, 50 Hz,HT VCB of any type or make or all as per existing complete all as specified and as directed. |
| 49 | Charging Gear complete |
| 50 | Rack in and out Gear complete |
| 51 | Rack in and out mechanism complete. Make: ABB or equivalent |
| 52 | Spring charging mechanism complete |
| 53 | 630A Vacuum Interrupter complete. Make: CG or equivalent |
| 54 | Tripping Relay complete. Make: Ashida AVAJH13 or equivalent |
| 55 | Tripping coil complete. Make: CG or equivalent |
| 56 | Over current earth fault relay, Phase and earth current input 1/5A,ICE version. Make: CG or equivalent |
| 57 | Indicating lamp of any type / model / capacity in HT VCB/SFU panels including taking down old unserviceable one complete all as specified and as directed.Make: Siemens or equivalent |
| 58 | Multifunction meter with RS port of any type / model / capacity in HT VCB/SFU panels including taking down old unserviceable one complete all as specified and as directed.Make : L&T 4410 Series |
| 59 | TNC switch of any type / model / capacity in HT VCB/SFU panels including taking down old unserviceable one complete all as specified and as directed.Make: Kaycee |
| 60 | Heating element 250 Watts of any type / model / capacity in HT VCB/SFU panels including taking down old unserviceable one complete all as specified and as directed.Make ; RS PRO |
| 61 | Finding fault ofHT XLPE UG Cable aluminium conductor armoured of cable size 95 Sqmm to 240 Sqmm by fault locaterincluding taking outfrom trenches/poles/structure and relaying after fault rectification complete all as specified and directed. Note: The quoted rate shall be deemed to include hire charges of HT fault Locater and Earth Work. The work should be completed within 12 hrs, Jointing Kit will be measured and paid separately under relevant Item if required. Before Starting of any HT works contractor should ensure safety arrangements and proper shutdown of feeders/mains to avoid any unwanted incidents. |
| 62 | Service charges forcarrying out complete servincing of AB Switch bylubrication of the mechanism & greasing with petroleum jelly complete all as specified and as directed. Note: Minimum spares /lubricants and tools required for the jobshould beincluded in the coated rates. |
| 63 | Labour only for restraining of ACSR conductor from pole to pole with minimum sag as per HT specification all as specified and as directed. Note :- Unit rate quoted is deemed to be inclusive of minimum spares/ lubricants and toolsand nothing extra will be admissible. |
| 64 | HT 11 KV Phase seperator suitable for fixing OH ACSR conductor,including taking down existing unserviceable seperator complete all as specified and as directed. |
| 65 | Painting outer surfaces of transformer of capacity above 100KVA, any type / make / model, pole or plinth mounted, installed at various sub stations with one coat of synthetic enamel paint of approved shade including cleaning the old painted surfaces and writing SM / MES numbers, capacity, make, date of oil testing etc., complete all as directed:- |
| 66 | Preparation of old painted surfaces, removing dust and other deposited materials by scraping from HT/LT tubular pole 11mtr long, painting of pole with one coat of black paint upto 1 Mtr from bottom and painting the rest of the pole including cross arms cable protection pipe clamps, street light bracket with one coat of aluminium paint complete all as specified and as directed. |
| 67 | Servicing of four pole structure including checking/ tightening/making free for operating of AB switch, insulators, lighting arrester, changing of nut/bolts if required including preparation of old painted surfaces ,removing dust and other deposited materials by scraping from HT tubular pole of 11 Mtr long, painting of pole with one coat of black paint upto 1 Mtr from bottom and painting the rest of the pole including cross arms cable protection pipe clamps, bracket with one coat of aluminium paints complete all as specified and directed |
| 68 | Servicing of twopole structure including checking/ tightening/making free for operating of AB switch, insulators, lighting arrester, changing of nut/bolts if required including preparation of old painted surfaces ,removing dust and other deposited materials by scraping from HT tubular pole of 11 Mtr long, painting of pole with one coat of black paint upto 1 Mtr from bottom and painting the rest of the pole including cross arms cable protection pipe clamps, bracket with one coat of aluminium paints complete all as specified and directed |
| 69 | Filtration of transformer oil of transformers step down 11 KV/ 0.433 V indoor/outdoor type upto 500 KVA capacity installed at different sub stations/locations using filtration and heating equipment at site by re-circulating transformer oil heating, dehydration and improving di-electric strength of the oil to withstand minimum 60 KV for one minute including testing of oil all as specified and as directed.Note : Transformer oil test kit and filtration machine shall be provided by the contractor at site for testing of oil. |
| 70 | Removing silica gel from the breather assembly of transformers of any capacity installed at different sub stations and providing fresh silica gel in the breather complete all as specified and as directed. |
| 71 | Supply and filling / topping up new transformer oil conforming to IS specification for transformer upto 500 KVA capacity of suitable insulation grade not less than 40KV installed at various sub stations complete all as specified and as directed. |
| 72 | Renewal of breather assembly of any size , as per existing shape suitable for existingtransformer complete all as specified and directed |
| 73 | Oil temperature indicator dial type having temperature range 0 to 120 degree celsius suitable for transformer of any type / model / capacityincluding taking down old unserviceable one complete all as specified and as directed. |
| 74 | Cutting/clearing and removing the vegetable/bush growth any nature/type around the electric poles/stays structures/installations / substation., so as to keep clean the area for easy access to carry out repair/maintenance works on poles etc., including cutting and removing the creepers on poles/stays etc., removing from site and throwing out at a place where directed at distance not exceeding 250mtr away complete all as specified and as directed. |
| 75 | Pruning of tree branches and making clear HT line to the minimum distance of 30 mtrs span for 3/6 conductors and removing from site and throwing out at a place where directed at distance not exceeding 250mtr away complete all as specified and as directed. |
| 76 | Supply and errection of Steel tubular swaged poles complete with base plate 8mm thick welded with pole, finial taper plug, bolt, nut and screws as specified type 410 SP-31 (11.00 mtrs long) including one coat of red-oxide zinc chrome primer and two coats of aluminium paint on surfaces exposed to viewincluding numbering with black paint and painting with bituminous paint internally complete and externally for portion embedded in PCCcomplete all as specified and directed. Note : Excavation & earth work and PCC shall be measrued and paid separately. |
| 77 | Plain cement concrete Type C2 1:3:6 (40 mm graded aggregate) in foundations filling and mass concretefor transformer staging/pole foundation all as directed. |
| 78 | Plain cement concrete Type C1 1:3:6 (20 mm graded aggregate) in coping including necessary form work all as directed. |
AI Tender Summary
Tender Timeline
Mar 04, 2023
11:30 IST
Tender Published
Tender notice published.
Completed
Mar 11, 2023
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
CompletedMar 11, 2023
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedMar 18, 2023
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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