Electrical work(02/2023-24)

Amount

Supply and Glanding of 19 mm gland for all the control cable in Transformer RTCC, DM Box, M.Box etc., including removal of insulation of the control cable and providing holes in the gland plates as directed by the Field Engineer.

Supply and Glanding of 25 mm gland for all the control cable in Transformer RTCC, DM Box, M.Box etc., including removal of insulation of the control cable and providing holes in the gland plates as directed by the Field Engineer.

Supply and Glanding of 28 mm gland for all the control cable in Transformer RTCC, DM Box, M.Box etc., including removal of insulation of the control cable and providing holes in the gland plates as directed by the Field Engineer.

Supply and Glanding of 32 mm gland for all the control cable in Transformer RTCC, DM Box, M.Box etc., including removal of insulation of the control cable and providing holes in the gland plates as directed by the Field Engineer.

Supply and Termination of cable core lead for all sizes of copper lugs, ferrules etc., in all the control cable in Transformer RTCC, DM Box, M.Box etc., as directed by the Field Engineer.

Neutral bushing Earthing at 2 Points and Transformer body Earthing at two points, Marshalling box, DM box, RTCC panel earthing and excavation. The channel and the M.S Plates to be supplied by the Contractor. (Up to 8 MVA=1 unit) (40% add for hill area)

20C x 2.5 Sq.mm Copper control cable armoured

4C x 2.5 Sq.mm Copper control cable armoured

Supply and fixing of Aluminium Pad of required size as directed by the field Engineer.

Supply and fixing of Reducer clamp for 2" Bus to Zebra

Supply and fixing of T Clamp for 2" Bus to Single Zebra

Supply and fixing of Switchend clamp for 2" Busbar

Supply and fixing of Seating clamp for 2"Busbar

Supply, Transporting and Erection of Power/ Auto Transformer accessories as directed by Field Engineer. Silicagel

Supply, Transporting and Erection of Power/ Auto Transformer accessories as directed by Field Engineer. MCB 2 Pole, 32 Amps

Supply and Erection of Power Transformer accessories as directed by Field Engineer, OTI (make Presimeasure) or equivalent

Supply of new transformer oil conforming to IS.335/1993 with amendments suitable as a coolant,insulant and quenching medium in electrical transformers and supplied in brand new epoxy coated/ phosphate coated non -returnable,perfectly packed in 210 litres capacity MS barrel and sealed with ISI marking

33 KV- 3 X 630 Sq.mm HT XLPE cable Outdoor Termination joint kit

Supply Heavy section using RSJ 250 x 125 mm/200 x 100 mm

Supply 'Light section (other than heavy section)

Labour charges for dismantling of Power/ Auto transformer including crane hire charges etc (Upto 8 MVA-1 unit)

Leading & Pulling of Power/Auto Transformer from the Plinth to Truck or safer place with in Sub-Station Premises or vice versa.

Loading of Power/Auto Transformer Main tank with complete initial lead of 5 metres as directed by field Engineer

Unloading of Power/Auto Transformer Main tank with complete initial lead of 5 metres as directed by field Engineer (40% add for hill area)

Transporting of Power/Auto transformer Main tank with all accessories from one substation to another sub-station by low bed truck for first 100 KM including Insurance cost of 0.4% of second hand value as decide by field engineer. (Up to 30 tones=1 unit)

Transporting of Power/Auto transformer Main tank with all accessories from one sub-station to another sub-station by low bed truck for beyond 100 KM of all capacity in Plain Track

Transporting of Power/Auto transformer Main tank with all accessories from one sub-station to another sub-station by low bed truck for beyond 100 KM of all capacity in Hill Track (40% additional with plain track)

Labour charges for Erection of Power/ Auto transformer (Upto 8 MVA=1 unit) (40% add for hill area)

Loading of Oil barrel with New/Released oil of Power/Auto Transformer in to Lorry/Vehicle from store to various substation or vice versa as directed by Field Engineer.

'Unloading of Oil barrel with New/Released oil of Power/Auto Transformer from Lorry/Vehicle in store/field to various substation or vice versa as directed by Field Engineer.(40% add for hill area)

Replacing of worn out gaskets (Including Dismantling and Re-erection) by new gasket for all locations (ie, Top cover, HV & LV bushings and Turrets, Bucholz pipeline, Top & side inspection covers, radiators, conservator tank, equalizing pipes, surge pipe lines and various valves etc.) in Power / Auto Transformers complete as directed by Field Engineer. Required Neoprene gasket RC 70C as per IS 4253 to be supplied by the contractor. (Upto 8 MVA-1 unit) (40% add for hill area)

Labour charges for Hot Oil Circulation of Main tank and OLTC of power/Auto Transformer oil under vacuum drying whenever applicable / necessary to the required level and circulation of Oil till satisfactory results are obtained. The filter machine to be provided by contractor. Upto 3000 litres.(40% add for hill area)

Labour charges for Hot Oil Circulation of Main tank and OLTC of power/Auto Transformer oil under vacuum drying whenever applicable / necessary to the required level level and circulation of Oil till satisfactory results are obtained. The filter machine to be provided by contractor. Beyond 3000 litres.(40% add for hill area)

'Filter Machine Rent

Labour charges for Dismantling of RTCC/ Cooler control panels of Power Auto Transformer including disconnection of necessary wiring as directed by the Field Engineer (Panel dismanting and wiring disconnection).

Labour charges for Erection of RTCC/ Cooler control panels of Power Auto Transformer including disconnection of necessary wiring as directed by the Field Engineer (Panel dismanting and wiring disconnection).

Labour charges for laying of control cables in ducts / Trunch (including cost of Aluminium tag for identification) from power Transformer to Control room and internal wiring of of Transformer as directed by Field Engineer. Up to 8 core cable.(40% add for hill area)

Labour charges for laying of control cables in ducts / Trunch including cost of Aluminium tag for identification from power Transformer to Control room and internal wiring of of Transformer as directed by Field Engineer. Above 8 core cable.(40% add for hill area)

Labour charges for Sparay Painting, Cleaning, painting including " R ", " Y ", " B " Bushing, green painting for earth flat of Power / Auto Transformer and accessories including cost of paint, waste, kerosene, soap etc,. (up to 8 MVA= 1 unit, 10 to 25 MVA = 1.28 units, above 25 MVA = 2.26 units) (40% add for hill area)

Labour for erection of LV jumper including modification of clamps providing holes wherever necessary as directed by the Field Engineer.(40% add for hill area)

Uncoiling and laying of 33 KV HT cable 3x 630 Sq.mm in the excavated trench including drawing the cable trough RCC/GL/PVC pipes wherever necessary at road crossing etc without any damage including transporting of cables, tools and plants labour lead, lift etc complete (40% add for hill area)

Uncoiling and laying of 33 KV HT cable 1 x 630 Sq.mm in the excavated trench including drawing the cable trough RCC/GL/PVC pipes wherever necessary at road crossing etc without any damage including transporting of cables, tools and plants labour lead, lift etc complete (40% add for hill area)

Labour Charges for erection of '33 KV- 3 X 630 Sq.mm Outdoor Termination joint kit

Labour Charges for erection of33 KV- 1 X 630 Sq.mm Outdoor Termination joint kit

UG cable earthing by coil earthing

Heavy section without length wise welded joints (Sectional weight 14Kg/Mtr and above) (Electricity supply will be brone by department)(Labour, Machineries, consumables for fabrication of structures as per the drawing issued by field engineer)

Light section with joints wherever necessary (sectional weight below 14Kg/Mtr) (Electricity supply will be brone by department)Labour, Machineries, consumables for fabrication of structures as per the drawing issued by field engineer

Heavy section (sectional weight 14Kg/m and above)(Labour charges for erection of structure structures as per the drawing issued by field engineer.)

Light section (sectional weight below 14Kg/m)(Labour charges for erection of structure structures as per the drawing issued by field engineer.)

SGST to be quoted in Percentage (value alone)Ex. 9%, it should be entered as 9 only

CGST to be quoted in Percentage (value alone)Ex. 9%, it should be entered as 9 only

Inter-state GST @18% for other than Tamil Nadu supplier. If the contractor is within Tamil Nadu may be quoted as "0" only