KWA Revenue-Replacement of 250kVA transformer with 500kVA transformer to enhance contract demand at 12.5 MLD treatment plant at Pothundi in Nemmara Grama panchayath-Replacement of transformer- General Electrical Work

Amount

HT side

OD239544/2025-2026:Supply , Installation, Testing and Commissioning of Outdoor type 11kV, 630A, 26.3kA for 3 sec Horizontal Draw out VCB fitted with Manual/Motor operated spring charging mechanism with 230V AC motor and motor control switch, fail safe tripping with shunt trip coil of 24V DC, closing coil of 24V DC, Auxiliary Contact 2NO + 2NC, Mechanical ON/OFF indicator, mechanical operation counter, protection CT, (--/5A, 5P10,15VA, 11kV/110V, Cl-0.2, 25VA PT Instantaneous IDMT relay with Microprocessor based 3O/C + and 1EF Protection relay, Strip Heater with thermostat, Digital Ammeter and Digital Voltmeter, Power pack 230V AC-24 V DC emergency OFF push button with HT Metering (3nos CT & 1 no PT Unit ) Provision for TOD Meter.

OD239558/2025-2026:Comprehensive Testing, Refurbishment, supply of all materials, Transportation, Installation, Testing & Commissioning of Existing 500 kVA Outdoor Oil-Cooled Transformer including Pre-inspection and preliminary electrical tests (IR, Winding Resistance), Transportation from Pump Room to Utility Building using suitable lifting/rigging equipment, Complete refurbishment including ovening/drying of windings & core, replacement of gaskets/silica gel/defective accessories, cleaning of bushings, tightening of hardware, and anti-corrosive repainting, High-vacuum oil filtration & dehydration achieving BDV as per IS standards, with oil testing report, Re-assembly of accessories, vacuum filling of filtered transformer oil, topping up oil to required level and restoration of conservator, breather, PRV, OTI/WTI, etc., Re-installation at Utility Building including HT/LT reconnection & earthing as per IS 3043 and Final electrical testing & commissioning with complete test reports (IR, Winding Resistance,Oil BDV, Protection Function Test)

OD239567/2025-2026:Supply and Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in 100 mm DIA GI pipe as required. 3C X 300 sq. mm

OD239569/2025-2026:Supplying and making indoor cable end jointing with cast resin compound, including, lugs and other jointing materials, for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required: 300 sq. mm

OD239593/2025-2026:Supplying and making outdoor cable end jointing with cast resin compound, including lugs and other jointing materials, for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required: 300 sq. mm

LT side

OD239596/2025-2026:Supply, installation, testing and commissioning of all panel boards including All panel boards/Enclosures shall be fabricated out of 14/16 gauge CRCA sheet powder coated in cubicle compartmentised, free standing, floor mounted, dust and vermin proof with reinforcement of suitable size angle iron, channel, 'T' sections wherever necessary fully meeting all the requirements specified in the technical specifications and drawings. Galvanized harwares with zinc passivation shall be used in fabrication. TPN switch gears shall be supplied with equally rated neutral link. All LEDs, controlling circuites, etc. shall be provided with fuses/MCBs at is incomer side to protect the controlling and indicating equipment in the lower sides.

OD239611/2025-2026:SITC Of 125/5A Cl 5P10 10 VA CT in Metal enclosure at Transformer Neutral For Earth Fault Relay

OD239613/2025-2026:Supply & laying of one number PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in ground including excavation of trench of size 35 x 75 cm, refilling the trench etc. as required including sand cushioning and protective covering (in ordinary soil). 3.5 core 400 sq mm

OD239620/2025-2026:Supply and laying of one number additional PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in ground in the same trench in one tier horizontal formation including widening the trench by 20 cm, refilling the trench etc. as required including sand cushioning and protective covering (in ordinary soil) 3.5 core 400 sq mm

OD239632/2025-2026:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required. 3.5 core 400 sq mm

OD239633/2025-2026:Supply & laying of one number PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in the existing RCC/ HUME / STONE WARE/ GI/ DWC pipe as required. 2 core 4 sq mm

OD239635/2025-2026: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 1.1 KV grade as required. 3 1/2X 400 sq. mm (82mm)

OD239636/2025-2026: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 1.1 KV grade as required. 3 1/2X 185 sq. mm

OD239637/2025-2026: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 1.1 KV grade as required. 3 1/2X 70 Sqmm

OD239638/2025-2026:Supply, Installation, Fixing, and Alignment of 600 mm × 50 mm GI Perforated Cable Tray, including all required GI supports, brackets, couplers, hardware, accessories, and painting/touch-up where necessary. The work shall be as per standard engineering practices and site conditions, ensuring proper leveling, routing, and secure mounting

OD239639/2025-2026:SITC of Plate Earthing (conforming to IS 3043) using CI Earth plates of size 1200mm x 1200mm x 12 mm, 50mm dia. GI pipe medium extending upto middle of the plate and clamping to the plate with GI clamps and bolts, 800x50x12mm GI Strip, funnel, 20G GI wire mesh, 15mm GI water pipe, and supply of materials and constructing 1000x500x600mm brick masonry inspection chamber, plastering, fixing heavy duty CI cover plate having locking arrangement, CI frame painted with bituminous paint, earth pit with yellow paint below the chamber cover, filling with homogenous layer of charcoal, salt & sand, including excavation of earth pit up to permanent moisture level depth and back filling. The value of earth resistance should be less than 1 ohm for approval. (Civil works are scope of Asset Homes)

OD239642/2025-2026:Providing and fixing 50 mm X 6 mm G.I. strip on surface or in recess for connections etc. as required.

OD239641/2025-2026:Providing and fixing 50 mm X 10 mm G.I. strip on surface or in recess for connections etc. as required.

OD239643/2025-2026:Preparation of drawings, documents, liaison work, etc. for getting initial/final NOC from KSEB/Pollution Control Board/ Electrical Inspectorate and other statutory agencies. (Contractor shall pay all the statutory fees initially. However, the same will be reimbursed on submission of supporting documents).

11 KV - 4 Pole Structure Yard Work

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

4.1.6:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources)

OD248947/2025-2026:Dry rubble masonry with hard stone in foundation and plinth including levelling using available soil.

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size derived from natural sources)

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

5.22.1:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelMild steel and Medium Tensile steel bars

7.1.1:Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

OD249043/2025-2026:Supply of all materials and providing substation yard fencing using 50 x 50 x 6mm angle iron frame work of size 1500x2500mm fitted with weld mesh of 10 gauge and bolted the same to 100 x 50 x 6 mm vertical chanel erected at 1500mm c/c and 2500mm above ground level of substation yard and 500 mm below with 300 x300mm plain cement concrete (1:3:6) base using 40 mm granite aggregate and top surface finished neat including supply and spreading of river sand to a depth of 5 cm from ground level and spreading 40mm granite metal over this to a height of 10cm above grond level for the entire yard area with side protection using cement brick. Including excavation of soil, painting all metal parts with two coats of aluminium paint over two cots of epoxy primer.

OD249048/2025-2026:Supply of all materials and providing 2000mm wide 2500mm height weld mesh gate made out of 50 x 50 x 6mm Angles with necessary foundation, Locking arrangements etc. complete, including painting with two coats of zinchromate primer and aluminium paint as per standards.

SREEJITH S G (BID ID -2459065)

Bidder Name

SREEJITH S G

Tesla Consulting Engineers