Construction Of 01 No . 33 Kv Feeder Bay At 132 Kv S/S Amarwara For Coal Mines At Village Bahariya Dhankasa ( 300Kva ) ( Consumer Contribution ) , 132 KV S/s Amarwara-Madhya Pradesh

Construction Of 01 No . 33 Kv Feeder Bay At 132 Kv S / S Amarwara For Coal Mines At Village Bahariya Dhankasa ( 300Kva ) ( Consumer Contribution ) , Erection Of Structures Including Shifting Within Sub-Station Premises , Fixing And Alignment Of Templates For Grouted / Bolted Type Structures Foundations , Tightenning Of Nuts , Bolts , Washers Etc And Including Alignment And Levelling Of Structures . , Single Zebra Acsr Conductor , Stringing Of Overhead Shield Wire With 7 / 3 . 66Mm Standard Galvanised Steel Complete With Fixing Of Strain Clamps At The Structures . , Shifting Of Circuit Breakers Within Sub-Station Premises And Placment Of C . B . On Structure . Complete Assebly Of C . B Including Erection Of Control Cabinet And Machanism Box . Erection Of All Accessories For The Equipment . 33Kv Circuit Breakers ( 3 Phase ) , Shifting Upto Civil Foundation And Placement Of Complete Isolator In All Three Phase Of Isolator Structure Errction / Mounting Of Mechanism Box , Interconnection Pippnig Alignment Of Contacts And All Associated Activities To Make The Installtion Complete Including Checking Of Successful Technical And Electrical Operation . 33 Kv Isolator Without Earth Switch ( 3Phase ) , Shifting Upto Civil Foundation And Placement Of Complete Isolator In All Three Phase Of Isolator Structure Errction / Mounting Of Mechanism Box , Interconnection Pippnig Alignment Of Contacts And All Associated Activities To Make The Installtion Complete Including Checking Of Successful Technical And Electrical Operation . 33 Kv Isolator With Earth Switch ( 3Phase ) , Shifting Of 33Kv Ct . Upto Civil Foundation And Placement On Stucture And Fixing Of Junction Box , Including All Accessories , Making All Jumpers Etc . , Shifting Up To Control Room ( Including Storage If Required ) & Placment Complet With All Relays And Accesories . The Placment Of C&R Panelto Be Done On Ms Channel Frame And Ms Channel Frame Will Be Suitably Grouted In Conrole Room As Per Drawing . Proper Alignment Of C&R Panel To Be Done . The Earthing Of C&R Panel To Be Done . , Shifting Of 33Kv Surge Lighting Arrester And Placement On Stucture And Fixing Of All Accessories , Making All Connections , Checking And Installation Of Insulator Base And Surge Counters , Making All Jumpers Etc . , Erection Of 33Kv P . I . And Their Connections , Laying Of Copper Cables 4Core X 2 . 5 Sq . Mm ( Armoured / Unarmoured ) On Racks / Angles Support Over Head Racks , Conduits Including Dressing Of Cables With Accessories , Laying Of Copper Cables 8Core X 2 . 5 Sq . Mm ( Armoured / Unarmoured ) On Racks / Angles Support Over Head Racks , Conduits Including Dressing Of Cables With Accessories , Laying Of Copper Cables 12Core X 2 . 5 Sq . Mm ( Armoured / Unarmoured ) On Racks / Angles Support Over Head Racks , Conduits Including Dressing Of Cables With Accessories , Providing 4Core X 2 . 5 Sq . Mm Holes For Cable Entry , Fxing Of Glands , Dressing Of Cable Leads , Fixing Of Tags , Providing 8Core X 2 . 5 Sq . Mm Holes For Cable Entry , Fxing Of Glands , Dressing Of Cable Leads , Fixing Of Tags , Providing 12Core X 2 . 5 Sq . Mm Holes For Cable Entry , Fxing Of Glands , Dressing Of Cable Leads , Fixing Of Tags , 25 Mm Dia X 3000Mm Long M . S . Rod Earth Electrodes Installation Directly Driven / Drilled ( 40 To 50 Mm Dia ) Into Earth Including Excavation ( Irrespective Of Type Of Soil Encountered ) , Backfilling With Bentonite Soil ( To Be Arranged By Contractor ) Welding To Earth Conductor Etc . , Providing Of M . S . Flat 65 X 8 Mm Risers And Making Of Earth Mat ( Duly Buried At A Depth Of 0 . 5 Meter ) Including Backfilling With Black Cotton Soil ( Soil To Be Arranged By The Contractor ) Welding Etc . And Bolting Of Riser To The Structures And Equipments At Desired Place . , Providing Of M . S . Flat 50 X 6 Mm Risers And Making Of Earth Mat ( Duly Buried At A Depth Of 0 . 5 Meter ) Including Backfilling With Black Cotton Soil ( Soil To Be Arranged By The Contractor ) Welding Etc . And Bolting Of Riser To The Structures And Equipments At Desired Place . , Preparation Of Earthing Pits ( 1 . 5 X 1 . 5 X 3 Meter ) As Per Approved Drawing Which Includes Excavation ( Irrespective Of The Soil Encountered ) , Embedding Of 4 Nos Gi Pipes Of Size 40 Mm Dia 3 Meter Long , Backfilling With B . C . Soil ( Soil To Be Arranged By Contractor ) Free From Boulders And Harmful Mixture . These Gi Pipes Are To Be Welded With M . S . Flats By Making Mesh Frame And Cutting Of Pipes As Also Making Holes In The Pipe For Water Seepage . The Earth Pit Is To Be Connected With Earth Mesh By M . S . Flat .

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	18-Jun-2020	FIRST EXTENSION FOR TS-01/2020	Date	29-06-2020

INR 560 /-

INR 5000.0 /-

INR 2.48 Lakhs /-

Name of Work: Construction of 01 No. 33 KV feeder bay at 132 KV S/s Amarwara for Coal Mines at Village Bahariya Dhankasa (300KVA) (Consumer Contribution)
	Sl. No.	Item Description	Item Code / Make	Quantity	Units
1	1	Erection of structures including Shifting within Sub-station premises, fixing and alignment of templates for grouted/ bolted type structures foundations, tightenning of nuts, bolts, washers etc and including alignment and levelling of structures.		3.22	M.T
2	2	Single Zebra ACSR Conductor		500	Mtr
3	3	Stringing of overhead shield wire with 7/3.66mm standard galvanised steel complete with fixing of strain clamps at the structures.		500	Mtr
4	4	Shifting of Circuit Breakers within Sub-station premises and placment of C.B. on structure. Complete assebly of C.B including Erection of control cabinet and machanism box . Erection of all accessories for the Equipment. 33KV Circuit Breakers (3 Phase)		1	Set
5	5	Shifting upto Civil foundation and placement of complete isolator in all three phase of isolator structure Errction / mounting of mechanism box ,interconnection pippnig alignment of contacts and all associated activities to make the installtion complete including checking of successful technical and electrical operation. 33 KV Isolator without Earth switch (3Phase)		2	Set
6	6	Shifting upto Civil foundation and placement of complete isolator in all three phase of isolator structure Errction / mounting of mechanism box ,interconnection pippnig alignment of contacts and all associated activities to make the installtion complete including checking of successful technical and electrical operation. 33 KV Isolator with Earth switch (3Phase)		1	Set
7	7	Shifting of 33KV CT.upto Civil foundation and placement on stucture and fixing of Junction Box, including all accessories,making all jumpers etc.		3	No.
8	8	Shifting up to Control room(including Storage if required) & placment complet with all relays and accesories. The placment of C&R panelto be done on MS channel frame and MS channel frame will be Suitably grouted in conrole room as per drawing.Proper alignment of C&R panel to be done. The earthing of C&R panel to be done.		1	No.
9	9	Shifting of 33KV Surge Lighting Arrester and placement on stucture and fixing of all accessories, making all connections, Checking and installation of insulator base and Surge counters, making all jumpers etc.		3	No.
10	10	Erection of 33KV P.I. and Their Connections		36	No.
11	11	Laying of copper cables 4Core x 2.5 Sq. mm (armoured/unarmoured) on racks/angles support Over head racks,conduits including dressing of cables with accessories		1000	Mtr
12	12	Laying of copper cables 8Core x 2.5 Sq. mm (armoured/unarmoured) on racks/angles support Over head racks,conduits including dressing of cables with accessories		500	Mtr
13	13	Laying of copper cables 12Core x 2.5 Sq. mm(armoured/unarmoured) on racks/angles support Over head racks,conduits including dressing of cables with accessories		500	Mtr
14	14	Providing 4Core x 2.5 Sq. mm Holes for cable entry, fxing of glands, dressing of cable leads, fixing of tags		12	no.
15	15	Providing 8Core x 2.5 Sq. mm Holes for cable entry, fxing of glands, dressing of cable leads, fixing of tags		2	no.
16	16	Providing 12Core x 2.5 Sq. mm Holes for cable entry, fxing of glands, dressing of cable leads, fixing of tags		2	no.
17	17	25 mm dia X 3000mm long M.S. rod earth electrodes installation directly driven / drilled (40 to 50 mm dia) into earth including excavation (irrespective of type of soil encountered), backfilling with bentonite soil (to be arranged by contractor) welding to earth conductor etc.		10	No
18	18	Providing of M.S. flat 65 x 8 mm risers and making of earth mat (duly buried at a depth of 0.5 meter) including backfilling with black cotton soil (soil to be arranged by the contractor) welding etc. and bolting of riser to the structures and equipments at desired place.		500	Mtr
19	19	Providing of M.S. flat 50 x 6 mm risers and making of earth mat (duly buried at a depth of 0.5 meter) including backfilling with black cotton soil (soil to be arranged by the contractor) welding etc. and bolting of riser to the structures and equipments at desired place.		500	Mtr
20	20	Preparation of Earthing Pits (1.5 x 1.5 x 3 meter)as per approved drawing which includes excavation (irrespective of the soil encountered), embedding of 4 Nos GI Pipes of size 40 mm dia 3 Meter long, backfilling with B.C. soil (soil to be arranged by contractor) free from boulders and harmful mixture. These GI Pipes are to be welded with M.S. flats by making mesh frame and cutting of pipes as also making holes in the pipe for water seepage. The earth pit is to be connected with earth mesh by M.S. flat.		1	No