Tender For Repairs To External Electrification Works At Af Area Under Ge Avadi
Tender Value
62 Lakhs
Estimated cost
Bid Submission
25 Nov 2023
0 days left
EMD
1.18 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
Tender For Repairs To External Electrification Works At Af Area Under Ge Avadi
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 13-Nov-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 20-Nov-2023 |
| 2 | 20-Nov-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 25-Nov-2023 |
| 3 | 10-Nov-2023 | Amd Corrigendum | Technical Bid | 13-Nov-2023 |
BOQ
| Sl. No. | Item Description |
| 1 | BOQ UPLOADED ON 23 Oct 2023 |
| 2 | SCH \"A\" PART-I (EXT ELECTRICAL WORKS) |
| 3 | Excavating in trenches, not exceeding 1.5m wide and not exceeding 1.5m depth and getting out soft/loose soil for laying cables/pipes/erection of poles etc all as specified and as directed. |
| 4 | All as per item No 3 above but depth exc 1.5 Mtr and not exc 3.00 Mtr all as specified and as directed. |
| 5 | Removing excavated material soil 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 soil including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as specified and as directed. |
| 7 | Laying in trenches Fine sieved excavated dry soil including spreading/leveling, cushioning for underground cables all as specified and as directed. |
| 8 | Supply and lay Heavy duty Reinforced precast concrete cable cover IS Marked , class HV, Type 1, flat, size (300 x l80)mm x 40mm all as specified and as directed. |
| 9 | Cement concrete in foundations filling and mass concrete 1:3:6 mix Type C-2 (using 40mm graded stone aggregates)for transformer staging / pole foundation all as specified and directed. |
| 10 | Cement concrete in coping of type C1 1:3:6 mix (using 20mm graded stone aggregates) for transformer staging/pole coping all as directed. |
| 11 | Supply and laying in trenches/poles/wall etc HT UG Cable XLPE insulated with multistranded aluminium conductor armoured with galvanised steel wire/taps 11000 volts grade conforming to IS specifications and of following sizes including taking down the existing unserviceable cable complete all as specified and as directed :- |
| 12 | HT UG Cable 3 core 95 sqmm |
| 13 | HT UG Cable 3 core 120 sqmm |
| 14 | HT UG Cable 3 core 185 sqmm |
| 15 | HT UG Cable 3 core 240 sqmm |
| 16 | Supply and fixing indoor termination cold shrink type joint for 11 KV (Earthed) grade underground cable including jointing materials and accessories including labour complete for making joint suitable for HT, UG, 3 core, XLPE /armoured heavy duty cable with aluminium conductor of following sizes complete all as specified and as directed :- |
| 17 | HT UG Cable 3 core 95 sqmm |
| 18 | HT UG Cable 3 core 120 sqmm |
| 19 | HT UG Cable 3 core 185 sqmm |
| 20 | HT UG Cable 3 core 240 sqmm |
| 21 | Supply and fixing outdoor termination heat shrink type joint for 11 KV (Earthed) grade underground cable including jointing materials and accessories including labour complete for making joint suitable for HT, UG, 3 core, XLPE/armoured heavy duty cable with aluminium conductor of following sizes complete all as specified and as directed :- |
| 22 | HT UG Cable 3 core 95 sqmm |
| 23 | HT UG Cable 3 core 120 sqmm |
| 24 | HT UG Cable 3 core 185 sqmm |
| 25 | HT UG Cable 3 core 240 sqmm |
| 26 | Supply and fixing straight through heat shrink type joint for 11 KV (Earthed) grade underground cable including jointing materials and accessories including labour complete for making joint suitable for HT, UG, 3 core, XLPE/armoured heavy duty cable with aluminium conductor of following sizes complete all as specified and as directed :- |
| 27 | HT UG Cable 3 core 95 sqmm |
| 28 | HT UG Cable 3 core 120 sqmm |
| 29 | HT UG Cable 3 core 185 sqmm |
| 30 | HT UG Cable 3 core 240 sqmm |
| 31 | 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 . |
| 32 | Supply and laying in trench/fixed on pole galvanized iron tubing, light grade of size 80 mm dia complete including all necessary fittings including taking down the old unservicable one complete all as specified and as directed. |
| 33 | Pin type polymer insulator, polymer, 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. |
| 34 | 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 . |
| 35 | Loop type poecelain insulator, vitreous white, brown or green with over all dimension 90mm X 140mm clearance of hole 25.5mm including taking down the old unserviceable one complete all as specified and as directed. |
| 36 | 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 one complete all specified and directed . |
| 37 | Anti-climbing device, spikes type, fabricated out of MS 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 complete all specified and directed . |
| 38 | Cross-arms bracing supports clamps and back pates fabricated from structural steel sections including nuts, bolts, washers, welding, bending, cold or hot drilling holes for insert bolts in any shape or size as indicated and as directed and inclusiv of one coat of redoxide primer and one finishing coat of aluminium paint including taking down old unservicable one complete all as specified and as directed. |
| 39 | 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 one complete all as specified and as directed. |
| 40 | 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. |
| 41 | Supply and laying Synthetic insulated mat of size 2m thick for voltage 11 KV for electrical purpose as per IS 15652-2006 suitable for electrical shock safety of size(2.00 x 1.00) Mtr including taking down old unserviceable one complete all as specified and as directed. |
| 42 | Supply and laying Synthetic insulated mat of size 2.5m thick for voltage 11 KV for electrical purpose as per IS 15652-2006 suitable for electrical shock safety of size2mx1m including taking down old unserviceable one complete all as specified and as directed. |
| 43 | Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground earth pit not less than 2.25 m deep below normal ground level with the top edge of earth plate at a depth of not less than 1.5m below normal ground level connected to GEI earth strip 32x6 mm dia by means of bolts, nuts, check nuts and washers made out of GI and GI earth strip protected by 40 mm bore light grade GI pipe, watering arrangement by provision of 20mm dia GI pipe medium grade with cast iron funnel, provision of test point and connected to main control board all as shown in electrical plate No 3 of SSR Part I including necessary earth work and excavation in any type of soil and PCC 1:2:4 type B-1 in chamber and 40 mm thick RCC 1:2:4 type B-1 cover slab with 6mm dia mild steel bars at 100 mm centre to centre both ways with 6 mm dis MS hooks complete all as specified and as directed. |
| 44 | Hardcore of guagenot exceeding 63mm, deposited, spread and levelled in layers not exc 15 cm thick, watered and rammed to a true surfaces using broken stones etc complete all as specified and as directed. |
| 45 | Horn Gap typeFuse unit, 11000 volts grade, mounted on polymer insulators and steel frame, single pole, fixed on DP structures including taking down old unservicable one complete all as specified and directed. |
| 46 | Expulsion type drop out fuse element 10amps and upto 100 amps suitable for 11 KV Horn Gap type fuse including taking down old unserviceable one complete all as specified and as directed. |
| 47 | Service charges for carrying out servicing and overhauling of under mentioned capacities HT 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. Make : Crompton Greaves.Note :(i)Servicing of the VCB to be done by authorised service provider of the manufacturer.(ii) Proper photographic record will be maintained with dates of work carried out |
| 48 | Vacum circuit breaker (VCB) Amps:400A |
| 49 | Vacum circuit breaker (VCB) 630 Amps to 800A |
| 50 | Supply and replacement of following items of400 to 800 Ampere capacity, 11 KV, 3 phase, 50 Hz,HT VCB of any quanity during servicing of VCB as stated in Item No 31 above including taking down old unservicable one complete all as specified and as directed. |
| 51 | Replacement & fitting of Charging Gear complete |
| 52 | Replacement & fitting of Rack in and out gear complete |
| 53 | Replacement & fitting of Rack in and out mechanism complete. Make : ABB or equivalent |
| 54 | Replacement & fitting of Spring charging mechanism complete |
| 55 | Replacement & fitting of 630A Vacuum Interrupter complete. Make: CG or equivalent |
| 56 | Replacement & fitting of Tripping Relay complete. Make: Ashida AVAJH13 or equivalent |
| 57 | Replacement & fitting of Tripping coil complete. Make: CG or equivalent |
| 58 | Replacement & fitting of over current earth fault relay, Phase and earth current input 1/5A, ICE version. Make : CG or equivalent |
| 59 | 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 |
| 60 | 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 |
| 61 | 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 |
| 62 | 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 or eqv |
| 63 | Finding fault ofHT XLPE UG Cable aluminium conductor armoured of cable size 95 Sqmm to 240 Sqmm by fault locater including taking out cable from trenches/poles/structure and relaying after fault rectification complete all as specified and directed. Note: (i)Quoted Rate is deemed to be included of charges of HT fault Locater and the complete Earth Work involved. (ii)The work should be completed within 12 hrs, (iii)Jointing Kit will be measured and paid separately under relevant Item. |
| 64 | 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. |
| 65 | Labour for restrain of ACSR conductor from pole to pole 3 conductors with maintain minimum sag as per HT specification all as specified and as directed by Engr-in-Charge.Note :- Minimum spares and tools required for the job should be included in the coated rates. |
| 66 | HT 11 KV Phase / Line seperator suitable for fixing OH ACSR conductor, 11 KV range including taking down old unserviceable one complete all as specified and as directed. |
| 67 | 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 specified and as directed. |
| 68 | 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. |
| 69 | 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 painting of RYB paint/tape at strip 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 |
| 70 | 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 |
| 71 | 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 40 KV for one minute including testing of oil all as specified and as directed.Note : (i)Transformer oil test kit and filtration machine shall be provided by the contractor at site for testing of oil. (ii) PVs of the Transformer oil is mandatory before making any payment. (iii)Photographic record to be maintained for the work carried out at site. |
| 72 | Silica gel from the breather of any type/model/capacity including taking down old unserviceable one complete all as specified and as directed. |
| 73 | 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. |
| 74 | Breather assembly of size 50mm dia, minimum 250 mm long suitable for transformer of any type/model/capacity including taking down old unserviceable one complete all as specified and directed |
| 75 | 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. |
| 76 | 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. |
| 77 | 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.Note : Photographic record of tree pruning will be maintained. |
| 78 | 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. |
| 79 | Sand cushioning to underground cables in cable ducts by filling river and up to top of the cable ducts in 11 KV Sub stations complete all as specified. |
| 80 | Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground earth plate not less than 2.25 m deep below normal ground level with the top edge of earth plate at a depth of not less than 1.5m below normal ground level, connecting to the Galvanised iron earth strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanised iron and earth wire protected by provision of GI medium grade pipe 15mm bore including provision of concrete pit in PCC 1:2:4 type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC 1:2:4 reinforced with XPM weight not less than 4kg/sqm and frame of angle iron 25x25x6mm and hanle of 6mm dia MS bar made to shape, GI light grade 20mm bore pipe for watering of suitable length placed on top edge of earth plate, charcoal and common salt filling, with fixing arrangement, funnel, wire mesh and earth work in soft/loose soil, returing filling in and removal of surplus soil to a distance not exceeding 50m, complete all as per plate No-3, SSR-2009 Part-I and connecting to existing earth test point all as specified or indicated including testing on completion. |
AI Tender Summary
Tender Timeline
Nov 20, 2023
11:30 IST
Tender Published
Tender notice published.
Completed
Nov 20, 2023
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Completed
Nov 25, 2023
18:00 IST
Corrigendum-2 Issued
Clarifications on tender conditions and amendments issued.
Completed
Nov 13, 2023
18:00 IST
Corrigendum-3 Issued
Clarifications on tender conditions and amendments issued.
CompletedNov 25, 2023
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedDec 02, 2023
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
Download All (ZIP) ↓
Disclaimer
We takes all possible care for accurate & authentic tender information. However users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender