84154/E8 UPGRADATION OF TRANSFORMER WITH ALLIED WORKS FOR INSTALLATION OF AIR CONDITIONERS IN SMQs AND OTHER LOCATIONS AT AF STN CHABUA UNDER GE AF CHABUA

Amount

Surface dressing not exc 15 cm deep complete all as specified and as directed at site.

Excavating in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exc 10 sq m on plan and not exc 1.5 m in depth and getting out as in soft/ loose soil & getting out complete all as specified and as directed

Excavating in Trenches not exc. 1.50 Metre Wide and not exc. 1.50 Metre in Depth for Taking Out / Laying of UG Electric Cable Lines, etc., Forming Surfaces to required Foundation and getting out as in Soft / Loose Soil, complete all as specified and as directed.s directed.

Returning, Filling in, including Spreading, Levelling, Watering and Well Ramming in Layers not exc. 25 Cm as in Soft/ Loose Soil, complete all as specified and as directed.

Removing Excavated Material (Soils) to a distance not exc. 50 Metre and Deposited where directed at a level not exc. 1.50 Metre above the Starting Point, complete all as specified and as directed.

Excavating in post holes or similar holes, each n exc 0.5 cum getting , returning , filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm , watering and removing surplus soil to a distance n exc 50 m and making good surface in soft/loose soil complete all as specified and as directed.

Material and labour for Hardcore with Broken Stone or Boulders of Gauge exc. 63mm but not exc. 100mm, Deposited, Spread and Leveled in Layers not exc. 15 Cm thick, Watered and Rolled / Rammed to a True Surface, complete all as specified and directed.

Material and labour for 100mm thick Plain Cement Concrete 1:3:6, type C-2 (Using 40mm graded stone aggregates) in Sub-base, Sub-floors, Floors and Paving, etc., complete all as specified and as directed.

M&L for 100 mm thick Plain Cement Concrete 1:2:4, type B-1(using 20mm graded stone aggregate) as in floor complete all as specified and directed at site.

Material and labour for Brick Work with Sub-Class ‘B’ Bricks (Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

Material and labour for Plain Cement Concrete (1:3:6), type C-2 (using 40mm grade stone aggregate) as in foundation filling and mass concrete complete all as specified and as directed.

Supply and fixing of Mild Steel angle iron or other stock section posts and struts in fencing including cutting tops to shape as directed drilling holes, notching for wire, exc flat iron fillets (for securing wire meshetc) including all necessary drilling bolting orriveting etc and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

Supply and fixing Mild Steel bolts (machine made) with hexagonal or Square Heads at one end and screwed the other, or secrewed both ends each screwed end to be fitted with washers and one hexagonal or square nut n.exc 5 cm long and dia of neck 5-10 mm complete all as specified and as directed.

Material & Labour for applying two coats of Synthetic Enamel Paint (1st grade quality) over a coat of red oxide zinc chrome primer after preparation of new or previously untreated steel surface of any description over 10 cm width or girth not otherwise described complete all as specified and as directed.

Material & labour for applying two coats of Synthetic Enamel paint (1st grade quality) over a coat of red oxide zinc chrome primer after preparation of new or previously untreated steel surface of any description n.exc 10 cm width or girth not otherwise described complete all as specified and as directed.

Supply and fixing Galvanised 2 stand Steel Barbed wire 2.24 mm dia barbed with 2mm dia barbs at 75 mm spacings and straining and fixing to any type of standard rails straining bolts including securing or tying at crossing with and provision of galvanised mild steel wire staples or steel pins etc. as directed complete all as specified and directed. NOTE : Each line wire to be measured for payment.

Material & Labour for Mild Steel round bars conforming to Fe-410-W (Gde E-250 quality A) 10mm dia or over cut to length bent to shape as required in fencing including straining and fixed to fencing post complete all as specified and as directed.

Supply only New Chain Link Fencing any Mesh and any Size of Mild Steel Galvanised Wire (as ordered), complete all as specified and as directed. Note: (i) The Weight of each lot the Chain link fencing supplied by Contractor has to be checked and recoded at site through BOO convened by GE and the quality of the Fencing supplied by contractor shall be ensured by Engineer-in-Charge. (ii) Proper record of the item Supplied by the Contractor under the the item has to be maintained by Engineer-in-Charge.

Fixing only New Chain Link Fencing (New Chain Link Fencing supplied here-in-above) including Line Wires, any mesh, size and type to any type of Standards, Rails, Straining Bolts, etc. including Provision of Mild Steel Binding Wire (annealed) not less than 0.90mm dia, complete all as specified and as directed.

M&L Rolled Mild Steel Framed Work as in Doors or Gates of Angle or Other Section with Gusset Plates, Rails, Braces, etc., complete, drilled for fixing of Steel Sheeting or Other Covering to Doors, etc. to be Prepared for Hanging or Sliding with and including Either Hooks and Hinges or Steel Hanging Door Fittings (Exclusive of Steel Sheeting Or Other Covering, Running Rails and Guides) and Hanging; also Fastening and Fixing, Con-forming to Fe-410-W (Gde-E-250) Quality 'A', complete all as specified and as directed.

M&L Mild Steel Bands, Straps, Supports or Stays for Rain Water, Ventilating Pipes including Bolts (if required), Heavy Hooks (Stay) for Large Gates; Hook and Pintle Hinges, Large Hasps and Staples; Chains; Hand Made Sliding Bolts; Clamps; Holdfasts (Flat Iron 25x4.0mm); Wall Ties; Hooks for Hanging Fans; Plain Angle Cleats for securing Purlins to Wood Trusses or Rafters; Knee Piece inserts; 2-way and 3-way Straps, Plate Washers and Similar Small Articles, conform to Fe-290 Gde-E-165, complete all as specified and as as directed.

M&L 15mm thick rendering on brick wall finished fair and even in cement mortar 1:4 complete all as specified and as directed.

M&L two coats of cement base paint after preparation of new plastered surface of wall complete all as specified and as directed.

Taking down existing HT UG Cable of size 70 / 95 Sqmm x 3 core after proper disconnecting of Electric Connection with all safety measures complete all as specified and as directed at site.

Taking down Old burnt /Unserviceable LT UG Cable of size 95 sqmm x 3.5 core after proper disconnecting of electric connection with all safety measures complete all as specified and as directed at site.

Supply, Laying, jointing, testing and commissioning 120 Sqmm x 3 core XLPE insulated, Armoured, heavy duty, PVC sheathed electric cable with Aluminium Conductor, 11 KV grade, in trench / duct etcas per site requirement , complete all as specified and as directed at site. NOTE : Necessary Earthworks, Sand Cushioning, Cable Cover Protection, GI Pipe, etc. will be Measured and Paid separately under relevant Items.

Supply, Laying, jointing, testing and commissioning 630 sqmm x 3.5 core XLPE insulated, Armoured, Heavy duty, PVC sheathed electric cable with Aluminium Conductor, 1100V grade, in trench / duct etc. as per site requirement , complete all as specified and as directed at site. NOTE : Necessary Earthworks, Sand Cushioning, Cable Cover Protection, GI Pipe, etc. will be Measured and Paid separately under relevant Items.

M&L Sand Cushioning (Dry) in Trenches/Ducts for protection of UG Cables (below, above and around the UG Cable laid) of 230mm Spread thickness (80mm in Depth before Laying the Cable and 150mm in Depth after Laying the Cable) and Consolidated (Punned) upto 180mm thickness, complete all as specified and as directed. NOTE : For the purpose of Payment, Punned thickness of Sand Cushioning shall be Measured.

Supply & Laying Un-reinforced Pre-cast Concrete (Grade not Lower than M-20) Cable Cover of Size 300x180x40mm, Flat, Class HV, Type 1, complete all as specified and as directed.

Supply & Laying Sub-Class B brick, Well Burnt, Laid breadth-wise along the Length of Cable laid in Trenches over Sand Cushion for UG Cable Protection, complete all as specified and as directed.

Material & Labour for Cable Jointing kit for 11 KV (Earthed) grade cable for Outdoor Termination heat shrink type joint complete with jointing material and accessories suitable for 3 core 120 sqmm size XLPE armoured aluminium conductor cable complete all as specified and as directed.

Material & Labour for Cable Jointing kit for 11 KV (Earthed) grade cable for Indoor Termination heat shrink type joint complete with jointing material and accessories suitable for 3 core 120 sqmm size XLPE armoured aluminium conductor cable complete all as specified and as directed.

Material & Labour for Horizontal Boring below / under Hardstanding, Pavements, Roads, Runway, PQC, PTT, etc. by Trenchless Technology using Ultra Sounding Technique and Machine including 150 mm bore (dia) HDPE Pipe, suitable for 0.4 mpa Working Pressure, complete all as specified and as directed. NOTE : Cost of 150 mm bore (dia) HDPE Pipe will deemed to be included in the Unit Quoted Rate.

Supply & Fixing 100mm dia Galvanised iron pipe (light grade) including all necessary fittings, MS Clamps, nuts and bolts for Cable Protection complete all as specifed and as directed. NOTE : Excavation and PCC work shall be measured and paid separately under relevant Items.

Taking down existing serviceable 250 / 315 KVA Step down Transformer without damaging the tranformer after proper disconnecting of structural and electric connection and shifting to MES store yard complete all as specified and as directed at site. NOTE: Cost towards transportation / shifting of tarnsformer to MES store yard shall be deemed to be included in quoted rate by the Bidder against this item.

Supply, installation, testing and commissioning of Step down Transformer, of 800 KVA Capacity, Outdoor type, double copper wound, core type 3 phase 50 Hz AC, oil immersed with 'ONAN' type cooling with external cooling tubes/radiators having no load voltage ratio 11 KV/ 0.433KV (corresponded to principal tapping) Delta connected on primary side (HV incoming) and Star connected on secondary side (Secondary outgoing) in accordance with vector group symbol (Dyn-11) conforming to IS 1180 of 2014 Part 1 ( Level 3) and having off load tap changer on HV Side to vary voltage on + 5% in steps of 2.5% and including initial oil filling to appropriate level, control cable and standard fittings and with following specifications complete all as specified and as directed : (i) Oil Conservator with Oil Filling hole cap and Drain plug. (ii) 01 No of Prismatic Oil Level Gauge mounted on Conservator wall with first fill of charge upto maximum level. (iii) Silica gel dehydrating breather with oil seal and with first fill of charge. (iv) Pressure release Valve with Automatic resetting arrangement after release of pressure-01 Set (v) Adequate No. of thermometer pocket including one thermometer (vi) Top Oil Filter Valve (vii) Bottom Oil Filter cum Drain Valve. (viii) Rating Diagram and Terminal marking plate (ix) Earthing terminal - 02 Nos (x) Lifting Lugs -01 Set

(xi)Jacking Pads -01 Set (xii) Und indicator carriage with 4 Nos of plain rollers (xiii) Air release valve plug on main transformer tank (xiv) Adequate Nos. of cooling radiators (xv) 150 mm dial type Oil temperature indicators with maximum read pointer resetting device. (xvi) 150 mm dial type winding temperature indicator with maximum read pointer resetting device (xvii) Air insulated cable box on LV and HV Side (xviii) Separate neutral bushing shall be brought out for earthing. Notes : 1.The Contractor/Manufacturer shall furnish Original Certificate (Paid Voucher and Test Certificate) of the manufacturer, stray losses shall be specified in percentage terms. 2. The Manufacturer/Contractor shall furnish the diameter of LV and HV Copper winding and its total resistance. 3. The Contractor shall get the Approval of GE for the make of the transformer they plan to procure for installation. 4. Prior to Manufacturing, the General arrangement Drawing, Design details of the Transformer shall be got Approved by GE. 5. Transformer shall be dispatched only after inspection clearance by Inspecting Officer as nominated by Accepting Officer.

Supply, installation, testing and commissioning of Indoor type Vacuum Circuit Breakers Panel having one incoming VCB 800 amps and 3 Nos. Outgoing VCBs 800 Amps, 3 Phase, 3 wire, 50 Hz, having a fault level of 350 MVA at 11 KV, 25 KA Breaking Capacity totally enclosed Single Bus Bar for each phase, floor mounted , Metal clad , Indoor extensible type flush fronted, Draw out type, floor rolled, horizontal/vertical isolation type with electrical and Mechanical interlock and Automatic Safety Shutter Gear including padlocking arrangement, Isolation plugs, Assembly of 3 Vacuum interrupters, with epoxy support insulations and self -aligning finger type isolating contacts, truck having integral racking with necessary interlock ( for insertion and withdrawal of VCB), manual and Automatic Motor charged independent closing/tripping spring, trip free Operating Mechanism with closing and tripping push buttons and Mechanical Breaker free standing, Circuit Breaker shall have ARC Protection System for all the three compartments viz CB, Busbar and Cable, suitable for full short circuit current for 1.0 sec duration, VCB shall be capable to with stand 100 numbers of operation under full short circuit condition, Circuit Breaker Panel shall be conforming to IEC 62271-100 & IEC 62271-200 and all standard fittings and accessories for incoming , outgoing and bus coupler. The HT VCB panel shall comprise all specifications as per OEM Manufacture following components complete all as specified and directed.

Bus Bar Rating - 800 Amps for incomer cumm outgoing VCB VCB Current rating - 800 Amps CT Current - 100-50/5-5 A Cable Entry/Exit - Bottom Cable Entry for incomer cumm outgoing VCB Cable Runs - 1R X 3C X 300sqmm Feeder -01 No for incomer cumm outgoing Copper Busbar - 800A with HT Sleeve for incomer cumm outgoing 11kV Indoor Floor Rooling type vacuum circuit breaker with Motor/Manual operated spring charge stored energy mechanism 11kV 800A 26.3KA/3s, Vacuum Circuit Breaker - 01 incomer cumm outgoing VI,VCB & Relay shall be of same make (Panel Shall be of OEM Make only) Current Transformers : 11kV, 26.3KA/1 sec, Epoxy Cast Resin Type Single Phase CTs. (ECS/Pragati/Equivalent make) 100-50/5-5 A; Core 1: Accuracy : 1/5VA; Core 2: 5P10/5VA -03 Nos for incomer cumm outgoing VCB Single Phase 11kV Potential cast resin potential transformer (Draw-Out from rear) (ECS/Pragati/Equivalent make) 11kV/sqrt3 / 110; Core 1/100VA : Accuracy -Cl-1.0 - 03 Nos for incomer cumm outgoing VCB MCB for PT Secondary -03 Nos for incomer cumm outgoing VCB Protection Relays non -drawout type: ABB without-communicable relay REJ 601 (50,51,50N,51N,95) without MODBUS-communicable RS 485 -01 No

M&L Earthing with GI Earth Plate Electrode 600x600x3.15mm thick buried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, Connected with and including GI Earth Strip of Size 32 x 6mm by means of Bolts, Nuts, Check nuts and Washers of Copper and connected Earthing Testing Point/Bus-bar with GI 40mm bore (dia) ‘Light’ grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt in alternate layers of not exc. 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregates) and Pre-cast RCC 1:2:4 (20mm graded stone aggregates) Cover Slab of Size 450x450x50mm, Reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, PGI Funnel with GI Watering Pipe 20mm bore (dia) ‘Medium’ grade including necessary Excavation in Soft/Loose Soil, Returning, Filling in and Removal of surplus Spoil upto a distance of 50.00 Metre and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion, complete all as per specified and as directed. NOTE : (i) All Joints should be joined by Exothermic Welding or Brazing. (ii) Main earth lead beyond 7.5 meter shall be measured and paid separately.

M&L Earthing with Copper Earth Plate Electrode 600 x 600 x 3.15 mm thick buried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, Connected with and including Copper Earth Strip of Size 32x6.0mm by means of Bolts, Nuts, Check nuts and Washers of Copper and connected Earthing Testing Point/Bus-bar with GI 40mm bore (dia) ‘Light’ grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt in alternate layers of not exc. 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregates) and Pre-cast RCC 1:2:4 (20mm graded stone aggregates) Cover Slab of Size 450x450x50mm, Reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, PGI Funnel with GI Watering Pipe 20mm bore (dia) ‘Medium’ grade including necessary Excavation in Soft/Loose Soil, Returning, Filling in and Removal of surplus Spoil upto a distance of 50.00 Metre and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion, complete all as per specified and as directed. NOTE : All Joints should be joined by Exothermic Welding or Brazing.

DEDUCT/ LESS AGAINST SCHEDULE OF CREDIT Bidders shall Quote the EQUAL AMOUNT (as per SCHEDULE OF CREDIT including NOTES therein of Tender documents) under Column 'UNIT RATE' (M)

kabitaconstruction (BID ID -3450741)