Construction of additional bay and installation of CT PT LA Isolator and allied material at Receiving Station Nagam

Amount

Earth work- excavation in foundation trenches or drains by manual means Not exceeding 1.5 mts width and 10 SM on plan incl lift 1.5 mts and disposal of surplus excavated earth upto 1 mtr from cutting edge disposed earth to be levelled and neatly dressed in all kinds of soil. ( extra for every additional lead of 25 mts upto 250 mts )

Dry stone pitching any thickness hand packed on Horizontals excl. carriages of stones.

Providing & laying in position cement concrete 1:4:8 (1 cement: 4 coarse sand: 8 graded stone agg. 40 mm nominal / size) excluding the cost of centering & shuttering. all work up to plinth level (crushed)

Providing & laying in position cement conc.1:2:4 mix with coarse sand and crushed Agg.20 mm n/s Agg .(excld. Cost of form work) all work upto plinth level.

Centering ,Shuttering, incl. centering ,propping etc. and removal of the same:

Providing and assembling of MS Round bars including cutting , bending and binding in position

Cement Plaster in single coat 15 mm thicknesses with 1: 6 cement coarse Sand mixes.

SITC of 33 KV Outdoor, Oil Cooled, Live Tank, single Phase , 3 Core CT Set as per ISI specification with Accuracy Class SP 10 for Protection,0.5 for Metering & PS for Differential with Ratio 600-300/5-5-5A , (per set of 3 pieces)

SITC of 33 KV Outdoor, Oil Cooled, Copper Wound , single Phase , PT Set with rated primary voltage 33000/√3 & rated Secondary voltage 110/√3 as per ISI specification with Accuracy Class 0.5 (per set of 3 pieces).

SITC of 33 kV Isolator without Earthing Blade (36kV,800A, Outdoor,3 poles, 25 kA)

SITC of 33 kV Lightening Arrestors (33 kV, 10kA, Station class, ZnO, Polymer) gap less (1 No. per Φ)

S/I of GI pipe structure 150mm dia 3 mtr long with GI base plate and top plate

S/I of 100 x 50 x 50 GI chanel iron

S/I of 50 x 6 mm GI flate iron

SITC of 11 Mtr long S.T Poles (410SP- 56) complete with base and cap as per REC standard and specifications

SITC of 33kV Polymeric composite Disc Insulator 36kV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm with fitting

SITC of 33 kV 10 kN Post Insulator Polymer 36kV,235kV Impulse, creepage distance 1224m

S/L of ACSR 200 mm sq busbar conductor

S/I of GI nuts and bolts

S/I of Clamps of sizes

Providing and applying of Almunium paint

P/A of Red oxide paint

SITC of 11kV Isolator, double break,3-pole, 600Amp, horizental mounting Type, with Earth Switch.

S/I of Pipe structure foundation GI bolts 18 mm round iron 36" lond with nuts and washers

Installation and commissioning of 6.3 MVA power transformer

Cement bottoming of 11mtr long Poles@ 0.6 cum/pole 1:2:4 mix

Dismantling of 6.3 MVA power transformer from old Existing Bed for instalation on new constructed bed

loading of 6.3 MVA power transformer from old existing bed and unloading on new constructed bed

M/S Itoo Electrical (BID ID -2266262)

M/S Soban Electrical (BID ID -2266282)