Construction of Equipment foundation and erection of equipments at 110kV SS Erattupetta

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. cum

Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil

Excavation work by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. Ordinary rock

Excavation work by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. Hard rock (blasting prohibited)

Extra for every additional lift 1.5 m or part there of in excavation / banking excavated or stacked materials. All kinds of soil

Extra for every additional lift 1.5 m or part there of in excavation / banking excavated or stacked materials. Ordinary rock

Extra for every additional lift 1.5 m or part there of in excavation / banking excavated or stacked materials. hard rock (blasting prohibited)

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 : 8 graded stone aggregate 40 nominal size)

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, 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 including hire charges and labour for Vibrator (Needle type 40 mm) 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. 10.25.2 In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Setting up anchor bolt(supply departmentally free of cost )in correct alignment and level as per the drawings into the concrete foundation excluding the cost of excavations,concreting and backfilling but including grouting anchoring etc complete as per the specifications and directions of departmental officers at site

Stub Setting ,erecting in lines and levels and fixing to template and removing the template after completion of work as per design as per the drawings in the concrete foundation etc complete as per the specifications and directions of departmental officers at site( stub will be supplied departmentally free of cost )

Fixing departmentally supplied 90 lbs rail at top of the transformer plinth to lines and levels including all charges for conveying, levelling, cutting to required length and pacing it over base plate, track and welded using spacer and fixing lip angle etc. complete as per specification and directions of departmental officers at site.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

15 mm cement plaster on the rough side of single or half brick wall of mix: 1:4 (1 cement :4 fine sand)

Laying of earth mat of required size as specified using 40/32/25mm MS rod including levelling lowering and placing in trenches, complete as per the direction of departmental officers.

Bending 32mm MS rod for crossing cable trench/ foundations/ risers ect complete as per the direction.

Welding the nodal points (cross joints) in the trenches at two sides to a thickness of 6mm after cleaning the surface neatly. Charges includes cost of low hydrogen DC electrodes, hire charges of Dc welding set and tools and plants required, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers.

Welding of over lapping joints for mat, riser lap joints with 32/25mm MS rod placed in trenches, having 150mm in length 6mm in thick on both sides of the rod and both ends of overlapped MS rods with 6mm welding thickness after cleaning the surface neatly. Charges includes cost of low hydrogen DC electrodes, hire charges of Dc welding set and tools and plants required, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers.

Drilling holes and driving down MS ground electrode from the bottom level of trench in all classes of soil including rock etc. Complete as per the directions of departmental officers

Driving down the ground electrode upto a depth of 3m in all classes of soil as directed by the depatmental officers.

Drilling bore hole of size 150mm or nearest in all classes of soil including hire charges of plant and machinery,cost of oil,fuel,tool etc and taking all necessary precaution for safety to the substation equipment etc as per the direction of departmental officers Ground water department-fees and charges-enhancement-Revision of rates sanctioned vide G.O (Rt) Vo.1345/2004/WRD dtd Tvpm 12.3.2013

Welding the ground rod with main electrode, after cleaning the surface neatly. Charges includes cost of low hydrogen DC electrodes, hire charges of Dc welding set and tools and plants required, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers.

Welding over lapping joints of 50x6mm GI strip 50mm long, 6mm thick welding on all three sides after doing 2Nos bolted joints at the centre as specified after cleaning the surface. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes, cost of anti corrosive paints etc. complete

Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earthmat, welding 150mm in length, 6mm thick on both sides & end of the strip and connecting other end with nuts & bolts if required as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes, cost of anti corrosive paints etc. complete

Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip & other end of the strip with yard structure at 2 points 50mm apart each welding points having 50mm length and 6mm thick on both sides & end of the strip including the charges for connecting the strip with structure using bolted joints as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete.

Cutting 32mm MS rod in required length etc complete as per the direction of the departmental officers

Welding charge for welding on iron parts using arc welding as per standards

Laying of departmentaly supplied GI strip /Copper strip of suitable size including cleaning and neatly bending strips , cutting ,removing of metal / earth conductor in the yard and burying earth strip to the required depth re-doing the yard metallling as per the direction of departmental officers.

Erection of equipment and yard structures and assembling of columns and beams using bolt and nut including punching of holes.

Cutting of steel angle in yard structure erection

Drilling holes in yard structure

Loading one set 110/66 kV Bus /lineIsolator with its insulator stacks, supporting channels, connecting pipes, isolating rods, mechanism box, structures and all its accessories safely without causing any damage using necessary lifting devices to department lorry and fastening for transportation.(110kV Bus/Line Isolator)

Loading one set 110/66 kV Bus /lineIsolator with its insulator stacks, supporting channels, connecting pipes, isolating rods, mechanism box, structures and all its accessories safely without causing any damage using necessary lifting devices to department lorry and fastening for transportation.(33kV Bus/Line Isolator)

Unloading one set 110/66kV bus /line isolator with its insulator stacks, supporting channels, connecting pipes, isolating rods, mechanism box, structures and all its accessories safely without causing any damage using necessary lifting devices from department lorry to substation compound and stacking properly for safe storage. (110kV Bus/Line Isolator)

Unloading one set 110/66kV bus /line isolator with its insulator stacks, supporting channels, connecting pipes, isolating rods, mechanism box, structures and all its accessories safely without causing any damage using necessary lifting devices from department lorry to substation compound and stacking properly for safe storage. (33kV Bus/Line Isolator)

Loading one 110/66kV CT / CVT / PT / CC from the place of its storage to department lorry using required lifting device without causing any damage to equipment and its parts.(110kV CT)

Loading one 110/66kV CT / CVT / PT / CC from the place of its storage to department lorry using required lifting device without causing any damage to equipment and its parts.(110kV NCT & 33kV NCT)

Unloading one 110/66kV CT/PT/CVT/CC from department lorry to substation site using suitable lifting device and dragging to safe place without causing any damage to CT as per the direction of the department officers.(110kV CT )

Unloading one 110/66kV CT/PT/CVT/CC from department lorry to substation site using suitable lifting device and dragging to safe place without causing any damage to CT as per the direction of the department officers.(110kV NCT & 33kV NCT)

Loading one 110/66kV LA from the place of its storage to department lorry, if required, after dragging up to 50M using suitable lifting device carefully without causing any damage to equipments and fastening in the lorry make it ready for transportation as per the direction of the department officers.(110kV LA)

Loading one 110/66kV LA from the place of its storage to department lorry, if required, after dragging up to 50M using suitable lifting device carefully without causing any damage to equipments and fastening in the lorry make it ready for transportation as per the direction of the department officers.(33kV LA)

Unloading one 110/66kV LA from department lorry to substation site using suitable lifting device and dragging to safe place without causing any damage to CT as per the direction of the department officers.(110kV LA)

Unloading one 110/66kV LA from department lorry to substation site using suitable lifting device and dragging to safe place without causing any damage to CT as per the direction of the department officers.(33kV LA)

Loading one Control/Relay panel/battery charger/LT panel to department lorry after lifting the same from the stacked place carefully with out causing any damages to panel and accessories and make it ready for transporting the same as per the direction of department officers.

Unloading one Control/Relay panel, battery charger/LT panel from department lorry carefully with out causing any damages to panel and accessories and lift the same to a safe place for storage as per the direction of department officers.

Loading one set 33KV indoor VCB panel with its truck,earth truck,spare truck& other spares from the place of its storage (sengulam)to department lorry using required lifting device, without causing any damage to equipment & its parts

Unloading one set 33KV indoor VCB panel with its truck,earth truck,spare truck&other spares from department lorry to substation site by using required lifting device, without causing any damage to equipment parts and lift the same to a pace for safe storage.

Loading MS / GI materials hard ware fittings of line work and clamps for equipments and bus from the place of its storage to department lorry and make it ready for transportation as per the direction of departmental officers.

Unloading MS / GI materials, hard ware fittings of line work and clamps for equipments and bus from department lorry to substation site and stacking for proper storage as per the direction of departmental officers.

Loading one set 110/66KV Circuit breaker with its interrupting poles, mechanism box, structures and all its accessories safely without causing any damage using necessary lifting devices to department lorry and fastening for transportation.

Unloading one set 110/66KV Circuit breaker with its interrupting poles, mechanism box, structures and all its accessories safely without causing any damage using necessary lifting devices from department lorry to substation site and stacking properly for safe storage.

Loading 3x300 sq. mm XLPE cable from its place of storage to department lorry and properly without causing any damage to its insulation and make ready for transporting as per the direction of department officers.

Unloading 3x300 sq. mm XLPE cable from department lorry to substation site and stacking properly without causing any damage to its insulation as per the direction of department officers.

Erection of one set 110/66kV Bus Isolator on the already erected structure including opening crates and conveyance of all accessories from the place of storage to the place of erection to lines and levels, erection of mechanism box, checking operation and aligning properly, including cutting, welding etc. complete as per the direction of departmental officers.

Erection of 1No. 110/66kV CT/PT/CVT/CC/220kV NCT on the already erected structure of above 1.5m height after opening of crates at the place of storage leading to site carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers, including all labour charges, hire charges of tools & tackles etc.

Erection of 1No. 110/66kV LA / Post insulator on the already erected structure after opening of crates at the place of storage leading to site carefully keeping lines and levels as per the direction of the departmental officers.

Conveying to the erection site and erecting carefully 1 No. 33KV CT/PT/110KV NCT & RVT/NCT(52/36kV) on the already erected structure after opening of crates at the place of storage leading to site carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers, including all labour charges, hire charges of tools & tackles etc.

Erection of 1 No. 33KV LA/Post insulator on the already erected structure after opening of crates at the place of storage leading to site carefully, keeping lines and levels as per the direction of the departmental officers.

Unpacking carefully and leading one set of 3 Pole EHT 110/66kV Circuit Breaker from the place of storage, including support structure, mechanism box compressor, pipe lines ets. To site, cleaning and erecting on foundation using suitable lifting tools, after disassembling necessary parts if required, to lines and levels and assembling all parts, connecting mechanism etc. in complete shape and making ready for commissioning as per the direction of departmental officers.

Erection of one set 33KV line Isolator on the already erected structure including opening crates and conveyance of all accessories from the place of storage to the place of erection to lines and levels including erection of mechanism box checking operation and aligning properly as per the direction of departmental officers.

Uncoiling, paving out, stringing and fixing of busbar using ACSR Kundah / Moose Single conductor for one phase of 66/110kV bus of span up to 30M by cutting the conductor to sufficient length, crimping using compressor / bolting the two ends, washing , cleaning and drying the insulator discs, fixing the conductors to the yard structure with sufficient tension using string of insulators and hardware complete. at both ends, fixing of arcing hornes including transportation of materials from the stock yard to the site under the supervision and direction of department staff at site.(All materials will be supplied departmentally at free of cost)

Providing interconnection between equipments using ACSR Moose/Kundah/Wolf Single conductor at both ends with compressed / bolted ends including uncoiling and cutting of conductor as per the direction of departmental officers.

Providing droppers and connecting to lines / equipments or jumper between two buses without necessary suspension insulators for 110kV using ACSR Moose/Kundah/Wolf Single conductor at both ends with compressed / bolted ends including uncoiling and cutting of conductor as per the direction of departmental officers.(for one phase)

Stringing and fixing earth wire of size 7/9, 7/10 or 7/3.15 between top of the columns and to terminal tower at 33/66/110/220KV substations with compressed / bolted ends at proper tension including uncoiling and cutting of conductor , jumpering, giving earth bond connections by drawing the end of the conductor through the columns, jointing where ever necessary providing back stays at the time of stringing etc. as per the direction of the departmental officers.

Crimping all ends of paved out and tensioned earth wire at the top of yard tower at suitable leg supplied departmently asnd connecting the earth mat through 7/3.15 sqmm. GI earth wire of sufficient length ((supplied departmently) dressing the wire neatly through out the entire length of tower through the inside of tower , crimping the tower end of the wire to another leg (supplied departmently) and providing a neat and firm welded connection to the earth mat riser provided through DC welding, complete as per direction of department officers.

Supplying, laying and jointing 63 mm PVC pipes in lines and levels including excavation in all cases of soil upto a depth of 25 cm refilling the trenches after laying, also charges for all specials such as tees, elbows, check nuts etc making goods the walls if required etc.

Laying 3 x 300 sq mm 33kV XLPE cables in trench including drawing through pipes wherever necessary.

Doing out door/indoor cable termination of 3x300 mm2 33KV XLPE cable very carefully observing directions of manufactures and departmental staff including crimping of socket

Mounting one 3x300 mm2 XLPE out door cable termination of structures very carefully without causing any damaged to the drilling holes wherever necessary as directed by the departmental officers

Supplying and stacking 6mm broken stone in standard heaps for measurement as per direction.

Supplying and stacking 36/40mm size hard broken stone in standard heaps for measurement.

Spreading already stacked 6mm chips (broken stone) in the yard for a thickness of 10 cm as per the directions of the Dept. officers at site

Spreading already stacked 36 /40mm crushed stone on the top of the alredy spreaded 6mm chips in the yard for a thickness of 15 cm as per the directions of the Dept. officers at site