Repair of overhead external HT LT network and sub stations at New Campus

Amount

Earthing with (600mm x 600mm x 3mm size) of copper earth plate 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.

Supply & laying following size of strip on surface/recess for connection etc as reqd. (25 x 5) mm Copper

-----------do------------- (25 x 5) mm G.I

Erection of steel tubular pole or rail pole strut in cement concrete 1:3:6 ( 1 cement: 3 coarse sand: 6 graded stone aggregate 20 mm nominal size) foundation including excavation and refilling and secured with holding clamps, bolts, nuts etc. as required.

Providing and making steel pole collar with cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 stone aggregate 20mm) of specified size and shape including formwork, plastering if required, curing etc. as required. (Volume of pole/pipe shall not to be deducted).

Erection of ACSR Conductor of 7/2.11 mm to 7/3 mm dia including binding etc. as required.

Supply and erection of Stay Set complete with 19/20 mm dia 1.8 meter long stay rod, Anchor plate of 45 cm x 45 cm x 7.5 mm, thimble stay clamps,turn buckle (20mm x 60mm) dia G.I. stay wire and strain insulator etc in cement concrete 1:3:6 foundation including excavation and refilling etc as required.

Laying of one number PVC insulated and PVC sheathed XLPE power cable of 1.1 KV grade of following size direct in ground including excavation and refilling the trench etc. as required, but excluding sand cushioning and protective covering. single core above 120Sq mm and upto 400 Sq mm (Make Grandley/Havells/Plaza/Finlox)

Supply and erection of galvanized ‘D’ iron clamps complete with shackle insulator (100 mm x 110 mm), G.I bolts, nuts and washers, coach screws etc. as required.

Supply of sawaged type steel tubular pole of following height duly painted with two coats of red oxide and two coats of silver paint made of Mild Steel conforming to IS 2713 part III of 1980 designated as 410 SP15 panted in 1.5 m deep pole pit to be dug for the purpose, welded with (300x300x6) mm base plate at bottom filling back the pit with cement concrete (excluding the cost of CC). The pole shall be provided with suitable clamps for fixing the cross arms/ M.S. channels. The planting depth of the pole shall be 1/6 th 0f pole a) 9 mtr height

---do--- b) 8 mtr height

Providing fixing testing and commissioning of heavy duty 11KV link set.

Providing fixing testing and commissioning of heavy duty 11 KV station type lightening arrestor set of three piece non linear resistor, suitable for 3 wire, 11KV overhead lines with rated voltage 9KV (rms) with normal discharge current rating of 5KA complete with G.I clamping arrangement G.I bolts, nuts washers etc as required. (Make Jayshree/ Crompton/Oblum NP)

Supply installation testing and commissioning of post type/ Horn gap type 11KV Triple Pole drop fuse unit fitted with fuse element. (D.O. Set)

Supply of following size ACSR conductor of required aluminum and steel strands including binding etc. as required as per IS O 398 part 2 a) 7/2.11 mm to 7/4mm dia

Supply of following size of single core XLPE insulated power cable of 1.1 KV grade including end termination etc. (Make Havells/CCI/Ecko) 240 Sqmm Single Core

---------------do-------------- 300 Sqmm Single Core

Providing & fixing brass lock type clamps/thimbles of required size for L.T/H.T transformer bushings

Painting of previously painted swaged type Tubular poles of following size with silver paint (One or more coat) of approved brand and manufacture. Make (Asian/Nerolac) a) 4.0 mtr height

----do----- b) 8.0 mtr height

----do----- b) 9.0 mtr height

Reconditioning of the coils of Al. Wound Distribution Transformer of 250 KVA to 630 KVA rating including painting with suitable coat of grey enamaled paint.

Reconditioning of the coils of Copper wound Distribution Transformer of 250 KVA to 630 KVA rating including painting with suitable coat of grey enamaled paint.

Rewinding of 250 to 630 KVA rating of Distribution transformers with suitable size HV/LV leg new coil made of Aluminium Super Enamel Coil/DPC as per the requirement of original existing winding

Rewinding of 250 to 630 KVA rating of Distribution transformers with suitable size HV/LV New leg coil made of Copper Super Enamel Coil/DPC as per the requirement of original existing winding.

S&F of HV bushing of following rating Distribution Transformer. a. 250 KVA

---do--- b. 400 KVA

---do--- c. 630 KVA

S&F of LV bushing of following rating Distribution Transformer. a. 250 KVA

---do--- b. 400 KVA

---do--- c. 630 KVA

S&F of HV bush Rod of following rating Distribution Transformer. a. 250 KVA

---do--- b. 400 KVA

---do--- c. 630 KVA

S&F of LV bush Rod of following rating Distribution Transformer. a. 250 KVA

---do--- b. 400 KVA

---do--- c. 630 KVA

Supplying & Filling of Filtered Dehydrated Transformer oil.

S&F of Transparent Silica gel breather for 250 KVA to 630 KVA rating Distribution Transformer.

S&F of Phase Separator with insulation between coils for the 250 KVA to 630 KVA rating Distribution Transformer.

P&F of Arching horn assembly for 11 KV bushing of 250 KVA to 630 KVA rating Distribution Transformer.

P&F of suitable rating Al bus bars for L.V connections of 250 KVA to 630 KVA rating Transformer.

Shifting of 250 KVA to 630 KVA rating Distribution Transformer from one site to another site with in the 3 K.m. Campus including Crane Charges for loading and unloading.

Shifting of 250 KVA to 630 KVA rating Distribution Transformer from one site to the workshop and Vice-Versa including Crane Charges for loading and unloading at site as well as at Workshop.

Filtration and Dehydration of the existing Transformer Oil

Supplying of steel made different size complete double ended, ring spanners, slide wrench and Bose spanner set to suitable for tightening and loosening of HT/LT network bolts, nuts and screws etc including container including providing the Superior quality HT gloves

Supplying of steel made manual crimping tool suitable for crimping the cables from 25 to 400 sq mm size.

Supply, fabrication of following sizes of channels, angles and flat iron including painting with primer and silver paint. Channel 75mm x 40mm

------------do-------------- Angle 50mm x 50mm x 6mm

-----------do--------------- Flat iron 50mm x 6mm

Painting of PCC poles of 5 feet height with external emulsion paint of suitable colour (Two or more coat) of approved brand and manufacture (Make Asian/Nerolac).

Earthing with recon prefabricated gel chemical earthing electrode made o pipe “B” class in M.S pipe one side other hot dip galvanised with 100 mtr. Coating fitted with conductor and corrosion resistant crystalline moisture and back filled compound and electrode including digging of pit refilling complete job.

Cleaning of the Sub-stations by the way of removing jungle grass/bushes or any other unwanted vegetation/plants including painting the wire mesh/angle iron structure surroundings wherever required twice in a year.

Pruning/Branch cutting of trees on emergency basis for clearing of electric line (H.T/L.T) network near the sub stations and near main 11 KV VCB control panel for rectifiction of the faults and restoration of power supply as and when required during the contract period.

Maintenance of C.T/P.T Units with CT 100-50/5/5A and 11KV/110v PTs of class 0.5 accuracy and 100 VA burden including replacement of all the suitable parts as and when required during the contract period.

Harjeet Singh Electrical Contractor

S D SALES AND ENGENRING CONCEPTS