24/EE(M-33kV)/Elect./2025-26

Dismantling of 33 KV GIS complete switchgear panels complete in totality inclusive of all accessories, Busbar, interpanel Wiring, Internal Earthing, Bus PT, Duct & Side Covers &safely packing of Busbars, Insulation Sleeves & Bus PT, Base Frame.

Loading, Cartage & Unloading of 33 KV GIS complete switchgear panels complete in totality (Inclusive BUS PT, Duct, Side Covers, Busbars, Insulation Sleeves, Interpanel Earthing) from ESS Nirman Bhawan to any ESS/site/store in NDMC Area without any damage.

Dismantling of Control Cable from C&R Panel to GIS panel with proper ferruling/marking including Cartage, Loading and Unloading without any damage. (Approx 2000 Mtrs.) without any damage.

Dismantling of Control Cable Tray from GIS Panel trench to C&R Panel room including Cartage, Loading and Unloading without any damage.

Dismantling of C&R Panels(Inclusive of all accessories.) from C&R Panel room including Cartage, Loading and Unloading without any damage.

Dismantling of Battery Charger, DCDB, Battery Bank inclusive of all accessories including Safely Cartage, loading and Unloading.

Dismantling of Power Cable along with Cable Termination from GIS end including Cartage, loading and unloading without any damage. 1) 33 KV 400 sq. mm/Single Core cables from 33 kV GIS to power transformers. 2) Other 33 kV incoming cables of size 400 sq.mm/ 3 Core from cable trench upto a maximum possible extent. 3) 11 kV, 1000 sq.mm/ Single Core power cable from power transformer to 11 kV switch board.

Installation, Testing & Commissioning of 33 KV GIS complete switchgear panels complete in totality inclusive of all accessories. Including Erection, Panel Installation, Mechanical Coupling, Bus Bar Coupling, Inter Panel wiring, Internal panel Earthing, End Covers, Side Covers Ducts, BUS Duct, BUS PT, Base Frame (0-0 Level)etc (Inclusive of Hardwares, ISOFlex Topas NB-52, Korasilon Paste AA-5-250, Cleaning Agent & Lint free cleaning Paper) Testing (Busbar & Circuit Breaker CRM Test, Breaker Time Interval Test, Insulation Resistance Test, High Voltage Test, Primary Current Injection Test, CT Test including Insulation Resistance, Winding Resistance, Polarity Test, PT Test including Insulation Resistance, Winding Resistance, Polarity Test, Relay Setting, Scheme Test) as per SLD.

Supply(100x50) of MS Channel & Angle as per site requirement & making of Box of Vertical & Horizontal support &painting (Buffering, Primar coat, Intermediate Coat, Final Coat, Epoxy MIO, ZP Gray), Fabrication & Erection at 0-0 level as Standard required By ABB GIS

Laying & Termination of Control Cables

Installation & Fabrication of Cable Tray

Erection, Testing & Commissioning of CRP Panel With base frame

Erection & Testing of Battery Charger, DCDB, Battery Bank

Installation of Control Cable Structure, Painting the structure (Buffering, Primar coat, Intermedia Coat, Final Coat, Epoxy MIO, ZP Gray) & Fabrication as per requirement.

Making of Power Cable Termination from Certified Jointers (Without Supply of Kit)

Supply, Installation & Fabrication of Chequered Plate with Angle & Channel With paint (Buffering, Primar coat, Intermedia Coat, Final Coat, Epoxy MIO, ZP Gray)

DISMANTLING RCC TRENCH (Carefully breaking and removal of the existing RCC trench, including segregation and stacking of reusable material, with safe handling of debris as per site) of lxbxh = 30x3x0.2 M

EXCAVATION OF TRENCH (Excavation of soil to the specified dimensions, including cutting, dressing, and levelling of trench sides and bottom, with proper safety measures and disposal of excavated material) lxbxh = 30X3X1.8 M

DISPOSAL OF C&D (Collection, loading, transportation, and disposal of construction and demolition (C&D) waste to an approved disposal site)

COMPACTION of Trench Bed AND Anti-Termite Treatment (Compacting the trench bed using mechanical means to achieve the required density, followed by the application of anti-termite chemicals to protect the structure from termite infestation) of lxb = 30x3.2 M

PCC FOR TRENCH (Providing and laying plain cement concrete of minimum M25 grade in trench bed to create a stable and level base for RCC Work as per approved drawing) of lxbxh = 30x3.2x0.1

RCC FOR TRENCH BED (Tench Bed - Laying Reinforced Cement Concrete (RCC) on minimum M25 Grade in the trench bed, including mixing, placing, Vibrating, finishing and curing as per structural design of lxbxh = 30x3x0.25

RCC for Walls of the TRENCH - (Construction of RCC walls of the trench using minimum M25 grade, including mixing, placing, concrete pouring, vibration, and curing as per approved drawings). of size lxbxh = 60x.2x1.8 M

SHUTTERING FOR RAFT (Raft - Proving and fixing shuttering/ formwork for the raft foundation, ensuring proper alignment, rigidity, and smooth finish to fascilitate high-quality concrete casting) (lxh = 60x0.3 M)

SHUTTERING FOR Walls (Walls - Providing and fixing vertical shuttering/formwork for RCC walls, ensuring leakproof and stable support during concreting, followed by sage removal after curing) (lxh = 120x1.8 M)

Supply & erection of Reinforcement (10mm & 12mm) (Anti Rust) Supplying high quality steel reinforcement bars of 10mm and 12 mm diameter, including cutting, bending and fixing in position as per structural drawings. The work includes tying with binding wire, maintaining proper cover blocks, and applying anti-rust coating to ensure durability and corrosion protection of the reinforcement.

Supply and Installation of conductive concrete earth pit for HV electrical equipment like Transformer, LA etc. Acceptable Earth pit resistance shall be less than 1 ohm. (Chemical earthing). Test Links : Test links Cu- bonded MS flat of size 50 mm x 6 mm shall be provided one no. at any of the two electrodes for the grid for the connection between earth grid pit and the application. Pit Covers : RCC Pit cover frame of size 300mm x 300mm shall be provided at earth electrode.

Providing and fixing 50mm X 6mm Copper strip in 65mm dia GI pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing earth bus of 50mm X 6mm copper strip on surface for connections etc. as required.

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