Tender For Augmentation Of Eletric Supply At Af Station Under Ge Avadi
Tender Value
82 Lakhs
Estimated cost
Bid Submission
12 Oct 2022
0 days left
EMD
1.48 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 Augmentation Of Eletric Supply At Af Station Under Ge Avadi
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 29-Sep-2022 | BOQ Corrigendum | BOQ | 05-Oct-2022 |
| 2 | 29-Sep-2022 | Amendment to Tender | Technical Bid | 05-Oct-2022 |
| 3 | 05-Oct-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 12-Oct-2022 |
BOQ
| Sl. No. | Item Description |
| 1 | BOQ UPLOADED ON 15 SEP 2022 |
| 2 | BOQITEMS |
| 3 | TRANSFORMERS INCLUDING ALLIED WORKSExcavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out soft / loose soil for laying cables / pipes / erection of poles etc all as specified and as directed. |
| 4 | Removing excavated material (soil) not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point all as specified and as directed. |
| 5 | Returning filling in soil including spreading leveling watering well ramming in layers not exceeding 25 cm each all as specified and as directed. |
| 6 | Laying in trenches Fine Seived Excavated Dry Soilincluding spreading / leveling as cushioning for underground cables all as specified and as directed. |
| 7 | Supply and laying reinforced precast concrete cable cover, class HV, type 1, Flat, size 300 mm x 180 mm x 40 mm complete all as specified and as directed. |
| 8 | Supply and laying of common burnt clay building bricks, sub class B of size 230x115x75mm for cable protection all as specified and as directed. |
| 9 | Taking outHT UG Cable XLPE insulated with multistranded aluminium conductor armored with galvanized steel wire / taps 11000 volts gradeofsize 3 core95sqmm from trenches etc complete all as specified and as directed.Note : Earth work excavation shall be measured and paid for separately |
| 10 | 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 specificationsofsize 3 core95sqmm complete all as specified and as directed.Notes :-Earth work excavation ,sand cushioning & cable cover shall be measured and paid for separately |
| 11 | 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 ofsize95sqmmcomplete all as specified and as directed. |
| 12 | Supply and fixing Stright 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 size 95sqmm complete all as specified and as directed. |
| 13 | Supply, installation testing and commissioning of outdoor type distribution transformer, level-2, converter duty type low losses as per ECBC (3star ratingmin) of Minimum 100 KVA, 0.433/11 KV, 3 phase, 50 HZ,ONAN cooled, Oil immeresed, copper double wound, outdoor type, complete with first fill of oil and other standard fitting/ accessories and seven point off load ta changer (tapping range +/- 7.5% in steps of 2.5% each)with VECTOR GROUP Dyn-11 or as per inverter supplier recommendations as per IS 1180 2014includingHV Cable Box (Without Cable Glands) LV Cable Box (Without Cable Glands), Magnetic oil level gauge, Conservator with oil filling hole with cap and drain plug and wit built in Buchholz Relay with alarm and trip contact and shut off valves. Oil temperature indicator 150 mm dia with alarm and trip contact. Oil level indicator with minimum level marking. The mometer pockets with thermometer. Silica gel breather Air Release plug. Lifting Lugs Earthing terminals Bi-directional Rollers Anodized aluminum rating and diagram plateall as specified and directed. Make : Alstom , ABB, Schnider Note : The erection, installation of transformer shall be done under the supervision of manufacturers auth rep & certificated to this office shall be submitted by contractor duly signed by Duty rep of manufacturer & Engineer-in- Charge.\" |
| 14 | Supply, installation testing and commissioning of outdoor type distribution transformer, level-2, converter duty type low losses as per ECBC (3star ratingmin) of Minimum 160 KVA, 0.433/11 KV, 3 phase, 50 HZ,ONAN cooled, Oil immeresed, copper double wound, outdoor type, complete with first fill of oil and other standard fitting/ accessories and seven point off load ta changer (tapping range +/- 7.5% in steps of 2.5% each)with VECTOR GROUP Dyn-11 or as per inverter supplier recommendations as per IS 1180 2014includingHV Cable Box (Without Cable Glands) LV Cable Box (Without Cable Glands), Magnetic oil level gauge, Conservator with oil filling hole with cap and drain plug and wit built in Buchholz Relay with alarm and trip contact and shut off valves. Oil temperature indicator 150 mm dia with alarm and trip contact. Oil level indicator with minimum level marking. The mometer pockets with thermometer. Silica gel breather Air Release plug. Lifting Lugs Earthing terminals Bi-directional Rollers Anodized aluminum rating and diagram plateall as specified and directed. Make : Alstom , ABB, Schnider Note : The erection, installation of transformer shall be done under the supervision of manufacturers auth rep & certificated to this office shall be submitted by contractor duly signed by Duty rep of manufacturer & Engineer-in- Charge.\" |
| 15 | M & L for Plaincement concrete in foundations filling and mass concrete Type C2 1:3:6 (40mm graded aggregate) for transformer staging/pole foundation all as directed. |
| 16 | Supply ,Fabricate, install, connect, test and commissioning Busbar chamber, powder coated, outdoor weather proof type, compartmentalised fabricated with3 mm thick CRCA steel and suitable sized pressed steel frame work, top with sloping canopy, bottom with detachable plates, front and rear with hinged type door and locking arrangements, chamber for cable entry and exit , chamber for aluminium busbars, separate compartment for switch gear,louvers and air vent for natural air flow, holes drilled for connection including suitable angle iron/flat iron frame work/ supports, excavation, earth work, PCC foundation etc., as required with and including following switch gear items internally connected with suitable capacity aluminium strip/ rods insulated, complete mounted on PCC pillarscomplete all as specified and comprising of the followings:-(i) 4 Nos busbar ofequal size of Aluminium conductor with PVC coloured heat shrinkable type sleeves continuous rating of400 Ampsmounted on fibre reinforced insulator.(1set), with LED indication lamps-03 Nos for RYB phases on incoming side. (ii)MCCB fixed thermal magnetic release type of capacity 200 amps, 4 pole,36 kA.- 1 Nos.Note :MCCB shall be front handle operated.The cost of PCC pllars shall deem to have been included in quoted rate |
| 17 | Supply & Lay cable XLPE insulated screened PVC bedded, gaivanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor extruded PVC Type ST2 Outer sheathed, 650/1100V as per IS 7098(part-I)of 3.5 core 70 Sq mm all as specified and as directed. |
| 18 | Supply & Lay cable XLPE insulated screened PVC bedded, gaivanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor extruded PVC Type ST2 Outer sheathed, 650/1100V as per IS 7098(part-I)of 3.5 core 50 Sq MM all as specified and as directed. |
| 19 | Supply and laying galvanized iron tubing, light grade of size 100 mm bore in trench/road crossing/fixed on polecomplete including all necessary fittings complete all as specified and as directed . |
| 20 | Earthling complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm 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 1.5 m below normal ground level connected to GI 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 6 mm dia mild steel bars at 100 mm centre to centreboth ways with 6 mm dia M S hooks complete all as specified and as directed. |
| 21 | Earthing complete with galvanised steel earth plate eletrode 60xm x 60cm x6 mm thick buried directly in ground (earth plate not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level, connecting to the Galvanised iron earth lead 4.0mm dia 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 4 kg/Sqm) and frame of angle iron 25x25x6mm and handle 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, returning filling in and removal of surplus soil to a distance not exceeding 50 meterrs, 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. |
| 22 | REPLACEMENT OF TWO POLE STRUCTURE Dismantling old unserviceable mild steel channel or angle sections etcfrom two pole structures-03 Nos and taken on credit complete all as specified and as directed. Note: The PCC poles, porcelain insulators,AB switches, DO fuse units and Lightning arrestors shall also be dismantled alongwith the conductors and taken on credit. |
| 23 | Supply install test and commissioning of outdoor Type totally enclosed 11 kV, 630 Amp, 25 kA (for 3 sec for breaker and 1 sec for CT) Vaccume Circuit Breaker panel equipped with CT, PT and protection relays, vertical isolation and horizontal/Vertical draw out type with integral earth facility and internal arc tested having IP 4x degree of protection. Auxilary voltage supply for protection and metering devices will be 24 V DC, where as for breaker spring charging mechanism the voltage will be 230 V AC, complete as incommer panel having: (a) Vaccume circuit breaker suitable for 11 kV, 630 A, 25 kA operation.(b) Copper busbar of suitable size (c)Cast resin type dual core copper wound Current Transformer having 15 VA burden class 1.0 accuracy for metering core 5P10 for protection purpose (3 no with each VCB), having CT ratio 200/100/5/5 A.(d) fixed type 3 phase Cast Resin copper wound Potential Transformer of ratio 11 kV/110 V having class 1.0 Accuracy, 100 VA per ph capacity.(e) Microprocessor based numeric relay with combined 3 O/C and 1 E/F having IDMT and Instantanuos settings with communication and current measuring facility.(f) Auxilary relay for Buchholz Alarm and trip (g) Master trip relay (h) Digital type ammeter with selector switch.(j) igital type voltmeter with selector switch (k)Digital load manager capable for measuring Voltage, line current, Active-recative currents, power factor, frequency and maximum demand (l) LED type indication lamp for CB open/ closed/ spring charged/ auto trip/ trip circuit healthy.(m) Audio alarm through hooter with accept/ reset button.(n) Anti pumping relay with 2 NO + 2 NC potential free contacts.(o) panel thermostat rated for 230 V AC.(p)Panel illumination lamp LED.(q)Panel space heater.(r)Local selector switch (s)T/N/C Switch for breaker operation. (t)Reverse power relay (u) Earthing truck for bus and cable side (v) including PCC foundation of suitable size for mounting VCB with minimum 0.30 mtrs height from ground level complete all as specified and as directed. (x)Make:Alstom, ABB, Schnider |
AI Tender Summary
Tender Timeline
Oct 05, 2022
11:30 IST
Tender Published
Tender notice published.
Completed
Oct 05, 2022
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Completed
Oct 05, 2022
18:00 IST
Corrigendum-2 Issued
Clarifications on tender conditions and amendments issued.
Completed
Oct 12, 2022
18:00 IST
Corrigendum-3 Issued
Clarifications on tender conditions and amendments issued.
CompletedOct 12, 2022
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedOct 17, 2022
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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