132kV main BUS augmentation to twin ACSR Zebra conductor along with augmentation of 132kV pather conductor to single zebra conductor for both 220/132kV 100MVA transformers at 220kV Namrup GSS

Amount

Supply of materials

Supply of ACSR Zebra conductor(for twin BUS)

10 Disc Tension insulator String suitable for twin bus Zebra Conductor(120kN) with all hardware fittings

10 Disc Tension insulator String suitable for Single bus Zebra Conductor(120kN) with all hardware fittings

9 Disc Suspension insulator String suitable for twin bus Zebra Conductor(120kN) with all hardware fittings

9 Disc Suspension insulator String suitable for single bus Zebra Conductor(120kN) with all hardware fittings

T clamps suitable for Twin ACSR Zebra Conductor connecting to Single ACSR Panther conductor

T clamps suitable for Twin ACSR Zebra Conductor connecting to Single ACSR Zebra conductor

PG Clamp with connectors and all hardware fittings suitable for ACSR Zebra conductor

Terminal connectors for 132kV CT suitable for Zebra conductor

Terminal connectors for 132kV Isolators suitable for Zebra conductor

Clamps for 132kV Circuit Breaker (ABB make) suitable for Zebra conductor

Spacer for Twin Zebra Conductor

132kV PI Clamp

Supply of GI mousnting structure materials for 132kV BPI(for 3 no.s)

Supply of Bus Post Insulator with all terminal connectors for ACSR twin Zebra conductor

65 × 12mm GI flat lattice column & beam earthing

40mm dia 3 meters long MS rod earth electrode

Dismantling, Erection, CommissioningWorks & other related services

Opening and lowering of existing 132kV Bus and 132kV side of 100MVA transformer conductors

Dismantling of existing of existing jumpers/T-droppings including the clamps and fittings with engagement of skilled labourers

Stringing of ACSR Zebra conductor with required jumpering (Twin Zebra)

Erection of Tension insulator string at 132kV Main Bus

Erection of suspension insulator string at 132kV Main Bus

Erection, Testing & Commissioning of 132kV BPI along with mounting structure

Fitting of clamps, connectors & Spacer as per site requirement.

Description of Work / Item(s)

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge. All kinds of soil.

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 20 mm nominal size derived from natural sources).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

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

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 (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Foundation bolt required for the 132kV BPI, rate as per the approved rate of Railway TSS Bay construction work at Behiating GSS, including F&I & GST @18% (LOA No.: AEGCL/MD/TECH-1044/Deposit/IRCON/Behiating-Nazira/2022/24 Dtd 03/01/2023