25/SE/EWC/AYO/2024-25

Amount

Safe Loading, Carriage and then safe unloading of the following material from Store Centres Under the jurisdiction of EEESD Ayodhaya to dump site proper stacking.

33 KV Bus Isolator

33 KV Post Insulator

Double T/F control pannel

11 KV Incoming switch gear 600/300/5A, 350 MVA

11 KV Out going switch gear 200/100/5A0250MVA

11 KV 3 Core Cable 3x300 mm XLPE

11 KV cable jointing kit indoor 3x300 sq.mm. XLPE

11 KV cable jointing kit outdoor 3x300 sq.mm. XLPE

24 Volt Battery Bank & Battery charger with cabinet

ACSR Dog Conductor

M.S. Channel 125x65 (for Structures)

M.S. Angle 75x75x8 (for Structures)

Opening of all the 33 KV Jumpers, Neutral connections, cable connections, opening of earth strips and then shifting of 5 MVA T/F from plinth to Other side(temrorary plinth) in yard.

Shifting 33 KV Jumpers, from actual position to the new shifted place along with 11 KV cable and other accessories and ensure shifted 05 MVA T/F must be at temporary plinth and energised with full protection system (Activate WTI,OTI,E/F,O/C,Buchole etc ) in the presence of supervise division representative. Test report/certificate that 05 MVA T/F is energised with protection system will be provided to JE (W) afterwards maintain and restore the s/s supply.

Plinth of 10 MVA, 33/11 KV T/Fs Major reparing of Plinth of size 3.46x3.46 Mtr for 10 MVA T/F having 0.4 Mtr above ground level. The work includes Excavation of foundation, Base concreting in C.C. 1:6:12 ratio ( cement,fine sand and Brick ballast) 1ST Class bricks work in cement mortar of ratio 1:4 foundation, C.C. in 1:4:8 ratio( cement, fine sand and brick ballast) and RCC working ratio 1:2:4 ( cement, coarse sand and stone grit of 20 mm gauge) using MS Bars of 10 mm Dia (Tor) in reinforcement including its cutting, bending and binding in required shape. The work also includes laying of 2 Nos. 3.46 mts long each rail pieces complete with cutting, welding and proper fitting etc. The plinth will be made as per Drawing and shall be plastered/ finished on Top and Side of the plinth. (All the material will be supplied by the Contractor except rail Piece)

H.T. Cable Laying Laying & dressing of 11 KV, 3x300 and 3X185 Sq.mm XLPE cable underground from 10 MVA T/F to 11 KV incoming switchgear in the trench 450mm wide, 900mm deep, providing 150mm fine sand cushion bench and 150mm fine sand cushion above the cable. The cable shall be duly protected by 1st class bricks two either side and third on top of the cables, laid in series one after the other, the work includes supplying of fine sand and bricks, refilling and ramming of the left out soil, closing the trench and leveling. Spare cable shall be left and buried in the trench in the safe of rings at both ends. Cable laying work includes unrolling, cutting, meggering and sealing both end of the cable. (All the material will be supplied by the contractor)

Erection and Installation of 33/11 KV10 MVA Transformer Dragging of 33/11KV 10 MVA T/F from Dump site to road site and shifting of the T/F from road site to new constructed plinth distance about 150mtr ,along with loading, unloading and carriage, fixing and fitting of all the accessiories and filling of T/F oil to the desired level and insuring that there is no leakage. Erection and installation of 33/11 Kv, 10 MVA Transformer in a leveled position on the plinth.

Installation of Post Insulator Installation of 06 nos. post insulator on the post insulator structure . The work includes fabrication for proper fixing if required.

Installation of Switchgears in Control room Shifting carefully and safely 11 Kv incoming Switchgear, 11 KV outgoing Switchgear and 11 KV Bus Coupler from out side of the switch gear room, as per direction of Engineer Incharge, Placing and fixing of switchgear on foundation providing nuts & bolt of proper size in proper position and alignment and mountting of P.T. on incoming S/G. By replacing the old and existing switchgear from sgr room to storage location of Substaion.

Installation of Bus Isolators Assembling and installation of Bus isolator on the Isolator structure , adjusting of opening mechanism in proper alignment so as to ensured smooth operation of the same. In case of line Isolator proper operation of earth links shall also be ensured. The work includes fabrication for proper fixing if required.

Installation of Heat Shrinkable Type cable jointing kits indoor and O/D end Termination and S/T Joint suitable for 11 KV 3x300 & 3x185 XLPE cable confirming to IS ESI-09-13-IS-13573 of 1992 amendment I&II VDE-0278 of latest version there of if any.

Cable stand Structure Fabrication & erection of 11 KV Cable Stand made of 02 No. M.S chanel 125x65x6 mm 3 Mtr. Jointed to each other by M.S Channel horizontally and also jointed to each other by means of 05 No. M.S Strip (m.s flat) 50x6 mm of size 200 mm long each by welding at actual distance interval as per norms. And grouting in block of 300x300x700 completely providing 02 no. cable clamps also and eathing by G.I strip 50x6 mm size with the earth mat of switchyard both side of legs and provideing clamps , post/ pin insulator for holding cable. (All the materials will be arranged by the contractor such that clamps nut bolts and civil materials except M.S channel.)

Neutral stand Fabrication and grouting of M.S Channel 125x65 mm L shape & in proper size and allignment to provide support for the two separate earthing strips for pwer T/F neutral including supply & fixing of two No.Flexible copper bonds for neutral earthing. (All the materials will be arranged by the contractor such that clamps nut bolts and civil materials except M.S channel.)

Supply & Laying of 6x2.5 sq.mm. armoured control cable from power T/F to controle board in the ground as per RESPO Norm with proper connection VCB, CT & Control Pannel with T/F to battery and battrey charger, Bucholz Relay, low higher and winding temperture protection alarm etc with including all the civil material. (All the material will be supplied by the contractor)

Special Earthing by way of boring and lowering of "B" class G.I. pipe 50 mm Dia 20mtr long from ground upto the water level and it will be connected to the G.I. strip 50X6 mm ( Providing & laying of G.S. strip including cutting, welding, bending etc.) for equipments(L.A,T/F,C.T., VCB.etc). The earth strip will be welded to the G.I. Pipe. The work also includes Cap & Clamps for pouring water, the cost of all material with all labour & T&P etc. Complete in all respect. (All the material will be supplied by the contractor)

Commissioning of 10 MVA T/F and its eqipments installed in switchyards and 11 KV Incoming and Outgoing Pannels complete in all respect upto energising

Painting of All switchyard Sub Station Structures (Old+New+fencing) with one coat of ready mixed primer and 2 coats of AL.Paint of good quality including cost of material, Labour and T&P complete in all respect.

Digging and locating the earth mat and outdoor Structures earthing by G.I Flat. 50X6 mm the job include cutting, bending. (All the material will be supplied by the contractor.)

Supply and fixing of P.G clamp for dog and connector

providing of Hand gloves As per IS 4770 and tested potential 33 Kv.

Battery and Battery charger (Materials will be supplied by the contractor with all accessories except Battery and Battery charger)

Installation of 24 Volt Battery 200 AH ( 01 set=12 Nos, 2 Volt each with ISI 1651, IS nomenclature T 200 P) With its proper connection.

Installation of Input voltage 230 V, AC one phase 50 hertz, output 24 Volt , 40 Amp DC Battery charger with its proper connection.

Stand / cabinet for battery set for proper stacking and storage

Earthing of battery charger connected with 25x6 G.I strip

Fixing and making Bus Bar connection in between I/C and O/G switchgears after cleaning and tapping with H.T. tape, Empire tape and PVC tape properly providing and fixing of 6mm thick bakelite seperators and plugging of all opening and holes with plastic compound. complete work including cost of all material Strictly to the satisfaction of site incharge.

33 KV Bay Bus Bar & Stringing. Stringing of 33KV Bay Bus Bar by using and laying of ACSR Dog Conductor including making Vertical/Horizontal (Y-shape) jumper connection through PG clamps and connecting all the equipments ( Bus isolator, P.I. , C.T. , VCB, L.A & T/F) with each other through connecting clamps. (All the material will be supplied by the contractor)

Construction of toe wall around the 33KV switchyard in size(5+5) mtr using first class bricks, local river sand and brick ballast which includes the following works( Including cost of 1st class brick, brick ballast sand/core sand cement etc.) 1.Excavation of earth in foundation 2.Cement concrete in foundation in 1:5:10 ratio 3.1st class brick work in 1:6 ratio 4.Plaster work 1:6 ratio 5.CC 1:2:4 for grouting mid angles post for fencing

Shifting carefully and installation of Single/double Transformer Control pannel in control room and opening the connection from old & existing control panel and do prope control connection into the new control panel and check & test the buccholz o/c alarm, E/F ,OYI, WTI etc. connectuion is healthy and ensure earthing of new control panel.

Providing of Rubber matting one side chequered and other side plane size 1900x800x12 mm

construction of new fencing around the switchyard with gate (5+5) mtr by using proper and suitable size SWG wire M.S angle etc.(The fencing should have same peripheral size of toe wall All materials will be supplied by the contractor

Hindustan Electric Work

M/S INDIA ELECTRICALS

M/s S S Associates