Bids Are invited for Sitc Of One Number 250 Kva Outdoor Transformer
Tender Overview
Project Description
Bids Are invited for Sitc Of 250Kva Capacity Continuous Loading Outdoor Copper Wound Transformer - Sitc Of 250 Kva Capacity Bee 5 Star Rated As Per Bis Amended, 11/0.433 Kv Step Down, 3 Phase, 50 Hz, Onan Copper Wound Transformer Electrolytic Grade 99.9 Percentage Pure Copper, Core Made Of First Crgo Core Grade Moh Or Better, Suitable For Out Door Applications With Offload Tap Changer On Hv Side With Manual Operation Complete With All Accessories And Safety Provisions As Per Relevant Is Code Including First Filling Of Filtered Dehydrated Oil, I/C Supplying And Grouting Of Suitable M.S. Channel With All Accessories And Transformer Shall Be Confirming To Is 2026 Part 1 To Part 5, Is 1180 And As Per Cpwd Specifications Complete In All Respects Etc As Required At Site. Inside Of Tank Shall Be Painted With Varnish Or Liquid Resistant Paint. For External Surfaces One Coat Of Thermo Setting Powder Paint Or One Coat Of Epoxy Primer Followed By Two Coats Of Polyurethane Base Paint Shall Be Used. Is 1180 Part 3 Shall Be Referred To For Paint Thickness For Normal To Medium Corrosive Atmosphere. Fitting And Accessories The Following Fittings Shall Be Provided, A. Two Earthing Terminals With The Earthing Symbol, B. Oil Level Gauge Indicating Oil Level At Minimum, 30 Degree C And Maximum Operating Temperature, C. Air Release Device For Non Sealed Type Transformers, D. Rating And Terminal Marking Plates, E. Silica Gel Breather, F. Drain Cum S Ling Valve 3 By 4 Inch Nominal Size Thread, Is 554 Preferably Steel With Plug For Three Phase Transformers, G. Thermometer Pocket With Cap, Applicable For Sr. No H To S In Atc , Provisioning Steel Tubular Pole - Provisioning Of 9 Mtr Height Swaged Type Steel Tubular Pole Confirming Is 2713, Duly Pained Suitable For 11Kv Supply Complete With Ms Base Plate Etc As Required , Erection Of Steel Tubular - Erection Of Steel Tubular Or Rail Pole Strut In Cement Concrete 1 Retio 3 Retio 6, 1 Cement 3 Coarse Sand 6 Graded Stone Aggregate 40 Mm Nominal Size Foundation Including Excavation And Refilling And Secured With Holding Cl S, Bolts, Nuts, Etc. As Required. , Brick Work With Common Burnt Clay - Brick Work With Common Burnt Clay Modular Bricks Of Class Designation 7 Point 5 In Foundation And Plinth In, A. Cement Mortar 1 Ratio 4, 1 Cement 4 Coarse Sand. , Pdg 15 Mm Cement Plaster - Pdg 15 Mm Cement Plaster On The Rough Side Of Single Or Half Brick Wall Of Mix A. 1 Ratio 4 , 1 Cement 4 Fine Sand , Supplying And Installaton M.S. Cable Trays - Supplying And Installaton 300 Mm Width X 50 Mm Depth X 1 Point 6 Mm Thickness Of Perforated Painted With Powder Coating M.S. Cable Trays With Perforation Not More Than 17Point5 Percetage, In Convenient Sections, Joined With Connectors, Suspended From The Ceiling With Two Numbers Ms/Gi Suspenders I/C Base Of Suitable Size Ms/Gi Angle, Bolts And Nuts, Painting Uspenders, Fastener Etc As Required. , Earthing With G.I. Earth Plate - Earthing With G.I. Earth Plate 600 Mm X 600 Mm X 6 Mm Thick Including Accessories, And Providing Masonry Enclosure With Cover Plate Having Locking Arrangement And Watering Pipe Of 2.7 Meter Long Etc. With Charcoal/ Coke And Salt As Required. , Providing And Fixing G.I. Pipe - Providing And Fixing 25 Mm X 5 Mm G.I. Strip In 40 Mm Dia G.I. Pipe From Earth Electrode Including Connection With G.I. Nut, Bolt, Spring, Washer Excavation And Re Filling Etc. As Required. , Providing And Fixing G.I. Strip - Providing And Fixing 25 Mm X 5 Mm G.I. Strip On Surface Or In Recess For Connections Etc. As Required. , Supplying And Erection Of 11 Kv Triple Pole - Supplying And Erection Of 11 Kv Triple Pole Suitable Capacity Gang Operated Air Break Switch 6 Insulator, 3 Pc. Set Complete With 25 Mm Dia. 3M Long Operating Pipe, Lock And Handle Etc. As Reqd. , Supplying And Erection Of Two Lengths Of Channel Iron - Supplying And Erection Of Two Lengths Of Channel Iron 75 Mm X 40 Mm X 6 Mm 7.14 Kg Per Metre Double Pole Cross Arm For Three Wire 11Kv Over Head Line Conductors Complete With Through Bolts And Nuts For Cl Ing To The Poles, 50 Mm X 6 Mm M.S. Flats Welded On One Side To The Channel Iron And With Bolts And Nuts On The Other Side For Tying The Cross Arms Together, Including Drilling Holes For Insulator Pins/ Fittings, Bolts, Nuts And Washers Etc As Per Drawing And Painting With Primer And Finish Paint As Required. , Supplying And Erection Of 11 Kv Pin Insulator - Supplying And Erection Of 11 Kv Pin Insulator Complete With Large Steel Head G.I. Pin, Nuts, Washers Etc. As Required. , Supplying And Erection Of 11 Kv Disc Insulator - Supplying And Erection Of 11 Kv Disc Insulator For 11 Kv Over Head Lines With Galvanised Insulator Fittings, Ball And Socket Type And Complete With Galvanised Strain Cl S, Bolts, Nuts, Washers Etc. As Required. , Supplying And Erection Of Lightning Arrestor - Supplying And Erection Of Three Piece Nonlinear Resistor Type Lightning Arrestor Suitable For 3 Wire, 11 Kv Overhead Lines With Rated Voltage 9 Kv Rms With A Nominal Discharge Current Rating Of 5 Ka And Complete With Galvanised Cl Ing Arrangement, G.I. Bolts, Nuts, Washers Etc. As Required. , Pdg And Fixing Abc Cable - Pdg/ Fixing Abc Cable Of 11 Kv Grade With Fresh Aerial Bunched Power Cable Abc Cable Of 11 Kv Grade Of Size 3 Core X 35 Sq. Mm. Aluminum Conductor Cross Linked Polyethylene Insulated Xlpe Individual Core Screened A/W Load Bearing Messenger Conductor 25 Sq Mm , Confirming To Iec 60502 Part 1 Complete With Laying As Per Site Requirement Isi. , Pdg And Fixing Aluminium Ht Cables - Pdg/ Fixing 3Core 95Sq.Mm 11Kv Grade Aluminium Ht Cables, Stranded Compacted Circular Aluminium Conductor, Conductor Screen With Extruded Semi Conducting Compound, Xlpe Insulated, Insulation Screening With Extruded Semi Conducting Compound In Combination With Copper Tape, Cores Laid Up, Innersheath Of Pvc, Galvanised Steel Flat Strip Armoured, And Overall Pvc Sheathed Cable Conforming To Is 7098 Part 2 2011 With Upto Date Amendments. , Pdg And Fixing Shrinkable Ht Cable - Pdg And Fixing 11Kv Rating Heat Shrinkable Ht Cable Termination Kit Suitable Of 3Core 95 Sq.Mm Ht Cable Complete With Lugs Etc As Required M/S Raychem / Ss Make , Supply Of Following Aluminium Conductor Armoured Cable - Supply Of Following Size Of Pvc Insulated Pvc Sheathed 1.1 Kv Grade Aluminium Conductor Unarmoured/ Armoured Cable Confirming To Relevant Is Specification Etc Complete As Reqd. Make Bsnl Approved Make. A. 3.5 X 120Sqmm Armoured , Sply Gland And Aluminium Lugs - Supplying And Making End Termination With Brass Compression Gland And Aluminium Lugs For Following Size Of Pvc Insulated And Pvc Sheathed/Xlpe Aluminium Conductor Cable Of 1 Point 1 Kv Grade As Required, A. 3 Point 5 X 120 Sq Mm. , Laying Of One Number Xlpe Power Cable - Laying Of One Number Pvc Insulated And Pvc Sheathed / Xlpe Power Cable Of 1.1 Kv Grade Of Size Bove 95 Sq. Mm And Upto 185 Sq. Mm In Following Manners. A. In The Existing Rcc/ Hume/ Metal Pipe , In The Existing Masonry - B. In The Existing Masonry Open Duct , On Surface - C. On Surface , On Cable Tray - D. On Cable Tray , Pdg And Fixing Fencing - Pdg And Fixing Fencing All Around Transfomer Made Out Of Suitable Size Ms Angle Iron, Ms Flat Iron, Min 3Mm Dia Wire Mesh/ Jali With Provision Of Lockable Gate With In Fencing Complete As Reqd. , Supply Fixing Fire Extinguisher - S/Fixing 4.5Kg Co2 Type Fire Extinguisher With 1.5Mtr Hose And Horn Complete As Required. Isi Marked , Pdg 6Mtr Length B Class Gi Pipe Pole - Pdg 6Mtr Length B Class 50Mm Dia Gi Pipe Pole Complete With All Accessoroies Including S/F Of Socket, Suitable Size Base Plate At Bottom Etc I/C Cutting, Threading Complete As Required. , Erection Of Metallic Pole - Erection Of Metallic Pole Of Following Length In Cement Concrete 1 Ratio 3 Ratio 6, 1 Cement 3 Coarse Sand 6 Graded Stone Aggregate 40 Mm Nominal Size Foundation Including Excavation And Refilling Etc. As Required. A. Above 4 Point 5 Meter And Upto 6 Point 5 Meter
BOQ
| Sl. No. | Item Title | Item Description |
| 1 | SITC of 250KVA capacity continuous loading OUTDOOR copper wound transformer | SITC of 250 KVA capacity BEE 5 Star rated as per BIS amended, 11/0.433 KV step down, 3 Phase, 50 Hz, ONAN copper wound transformer Electrolytic grade 99.9 percentage pure copper, Core made of first CRGO Core grade MOH or better, suitable for out door applications with Offload Tap Changer on HV side with manual operation complete with all accessories and safety provisions as per relevant IS Code including first filling of filtered dehydrated oil, i/c supplying and grouting of suitable M.S. Channel with all accessories and transformer shall be confirming to IS 2026 Part 1 to Part 5, IS 1180 and as per CPWD specifications complete in all respects etc as required at site. Inside of tank shall be painted with varnish or liquid resistant paint. For external surfaces one coat of thermo setting powder paint or one coat of epoxy primer followed by two coats of polyurethane base paint shall be used. IS 1180 Part 3 shall be referred to for paint thickness for normal to medium corrosive atmosphere. Fitting and Accessories The following fittings shall be provided, a. Two earthing terminals with the earthing symbol, b. Oil level gauge indicating oil level at minimum, 30 degree C and maximum operating temperature, c. Air release device for non sealed type transformers, d. Rating and terminal marking plates, e. Silica gel breather, f. Drain cum sampling valve 3 by 4 inch nominal size thread, IS 554 preferably steel with plug for three phase transformers, g. Thermometer pocket with cap, applicable for sr. no h to s in ATC |
| 2 | Provisioning steel tubular pole | Provisioning of 9 mtr height swaged type steel tubular pole confirming IS 2713, duly pained suitable for 11KV supply complete with MS base plate etc as required |
| 3 | Erection of steel tubular | Erection of steel tubular or rail pole strut in cement concrete 1 retio 3 retio 6, 1 cement 3 coarse sand 6 graded stone aggregate 40 mm nominal size foundation including excavation and refilling and secured with holding clamps, bolts, nuts, etc. as required. |
| 4 | Brick work with common burnt clay | Brick work with common burnt clay modular bricks of class designation 7 point 5 in foundation and plinth in, a. Cement mortar 1 ratio 4, 1 cement 4 coarse sand. |
| 5 | Pdg 15 mm cement plaster | Pdg 15 mm cement plaster on the rough side of single or half brick wall of mix a. 1 ratio 4 , 1 cement 4 fine sand |
| 6 | Supplying and installaton M.S. cable trays | Supplying and installaton 300 mm width X 50 mm depth X 1 point 6 mm thickness of perforated painted with powder coating M.S. cable trays with perforation not more than 17point5 percetage, in convenient sections, joined with connectors, suspended from the ceiling with two numbers MS/GI Suspenders i/c base of suitable size MS/GI angle, bolts and nuts, painting uspenders, fastener etc as required. |
| 7 | Earthing with G.I. earth plate | Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 Meter long etc. with charcoal/ coke and salt as required. |
| 8 | Providing and fixing G.I. pipe | Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re filling etc. as required. |
| 9 | Providing and fixing G.I. strip | Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required. |
| 10 | Supplying and erection of 11 KV triple pole | Supplying and erection of 11 KV triple pole suitable capacity Gang operated air break switch 6 insulator, 3 Pc. set complete with 25 mm dia. 3m long operating pipe, lock and handle etc. as reqd. |
| 11 | Supplying and erection of two lengths of channel iron | Supplying and erection of two lengths of channel iron 75 mm X 40 mm X 6 mm 7.14 kg per metre double pole cross arm for three wire 11KV over head line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arms together, including drilling holes for insulator pins/ fittings, bolts, nuts and washers etc as per drawing and painting with primer and finish paint as required. |
| 12 | Supplying and erection of 11 KV pin insulator | Supplying and erection of 11 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required. |
| 13 | Supplying and erection of 11 KV disc insulator | Supplying and erection of 11 KV disc insulator for 11 KV over head lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required. |
| 14 | Supplying and erection of lightning arrestor | Supplying and erection of three piece nonlinear resistor type lightning arrestor suitable for 3 wire, 11 KV overhead lines with rated voltage 9 KV rms with a nominal discharge current rating of 5 KA and complete with galvanised clamping arrangement, G.I. bolts, nuts, washers etc. as required. |
| 15 | Pdg and fixing ABC cable | Pdg/ fixing ABC cable of 11 KV grade with fresh Aerial Bunched power cable ABC Cable of 11 KV grade of size 3 core x 35 Sq. mm. Aluminum conductor Cross Linked Polyethylene Insulated XLPE individual core screened a/w load bearing messenger conductor 25 sq mm , confirming to IEC 60502 part 1 complete with laying as per site requirement ISI. |
| 16 | Pdg and fixing Aluminium HT Cables | Pdg/ fixing 3core 95Sq.mm 11KV grade Aluminium HT Cables, Stranded Compacted Circular Aluminium Conductor, Conductor Screen with Extruded Semi Conducting Compound, XLPE Insulated, Insulation Screening with Extruded Semi Conducting Compound in Combination with Copper Tape, Cores Laid Up, Innersheath of PVC, Galvanised Steel Flat Strip armoured, and Overall PVC Sheathed Cable Conforming to IS 7098 Part 2 2011 with upto Date Amendments. |
| 17 | Pdg and fixing shrinkable HT cable | Pdg and fixing 11KV rating heat shrinkable HT cable termination kit suitable of 3core 95 Sq.mm HT cable complete with lugs etc as required M/s Raychem / SS make |
| 18 | Supply of following Aluminium conductor armoured cable | Supply of following size of pvc insulated pvc sheathed 1.1 kv grade Aluminium conductor unarmoured/ armoured cable confirming to relevant IS Specification etc complete as reqd. Make BSNL Approved make. a. 3.5 x 120sqmm armoured |
| 19 | Sply gland and aluminium lugs | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed/XLPE aluminium conductor cable of 1 point 1 KV grade as required, a. 3 point 5 X 120 sq mm. |
| 20 | Laying of one number XLPE power cable | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size bove 95 sq. mm and upto 185 sq. mm in following manners. a. in the existing RCC/ HUME/ METAL pipe |
| 21 | in the existing masonry | b. in the existing masonry open duct |
| 22 | on surface | c. on surface |
| 23 | on cable tray | d. on cable tray |
| 24 | Pdg and fixing fencing | Pdg and fixing fencing all around transfomer made out of suitable size MS angle iron, MS flat iron, min 3mm dia wire mesh/ jali with provision of lockable gate with in fencing complete as reqd. |
| 25 | Supply fixing fire extinguisher | S/fixing 4.5kg CO2 type fire extinguisher with 1.5mtr hose and horn complete as required. ISI marked |
| 26 | Pdg 6mtr length B Class GI pipe pole | Pdg 6mtr length B Class 50mm dia GI pipe pole complete with all accessoroies including s/f of socket, suitable size base plate at bottom etc i/c cutting, threading complete as required. |
| 27 | Erection of metallic pole | Erection of metallic pole of following length in cement concrete 1 ratio 3 ratio 6, 1 cement 3 coarse sand 6 graded stone aggregate 40 mm nominal size foundation including excavation and refilling etc. as required. A. Above 4 point 5 Meter and upto 6 point 5 Meter |
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