Conversion of existing 4.2km of 66 kV single circuit Line to double circuit line in 110kV parameters using wolf conductor from Nallalam substation to Methottuthazham- Phase 2

Amount

Labour

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Clearing grass and removal of rubbish up to a distance of 50M out side the periphery of area cleared.

Mobilization including transportation of all necessary plan and equipment's and materials of boring field testing and sampling and demobilization after completing the works.For machine boring

Setting up boring at each bore hole locations including carrying all necessary plant, equipment and materials of boring and field tests and collection of samples at each bore hole location. For machine boring

Boring with rotary power drilling equipment's in all types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata upto 10m. Including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals. For ordinary soil.

Boring with rotary power drilling equipment in all types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata upto 10m. Including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals. For under water.

Boring with rotary power drilling equipment in all types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata for next 10m upto a depth of 20m including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals. For ordinary soil

Boring with rotary power drilling equipment in all types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata for next 10m upto depth of 20m including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals.For under water.

Boring with rotary power drilling equipment in all types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata for next 20m upto 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m.intervals.For under water.

Boring through all type of hard rock or similar refusal strata of N value greater than 50 using diamond core drilling bit for in land under and banks of river.

Conducting standard penetration test in bore hole at any depth

Recovering disturbed samples and preserving them in air tight containers and waxing labelling packing storing including cost of containers as per IS@ 1.5M intervels

Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate) machine boring for 5 locations

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.(Ordinary rock )

Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.(Hard rock -requiring blasting)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed (For Hard rock (blasting prohibited)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and 1st additional lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and 1st additional lift up to 1.5 m, disposed earth to be levelled and neatly dressed.( Ordinary rock )

Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and1st additional lift upto 1.5m disposed earth to be levelled and neatly dressed.(hard rock-requiring blasting)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50 m and 1st additional lift upto 1.5 m, disposed earth to be levelled and neatly dressed (For Hard rock (blasting prohibited)

Bailing out water Using 5HP Pump- Bailing out water with 5HP engine and pump set including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

Bailing out water using pump above 5 HP and Up to 10 HP-Bailing out water with engine and pump set above 5HP and up to 10HP, including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

Dewatering manually wherever necessary including all labour charges etc. Complete.

Filling with Quarry Muck. Filling up low lying and water logged areas with local material/ quarry muck, spreading in layers, leveling the top at site and consolidation by ramming, etc complete for improving the CBR value of subgrade

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete (Measurements to be taken of the face area timbered).Depth not exceeding 1.50 m

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete (Measurements to be taken of the face area timbered).Depth exceeding 1.5 m but not exceeding 3 m

Construction of earthern ring bunds for bailing out water for excavation for foundation and stub setting, including shoring, if necessary, with plaited coconut cadjan and bamboos, etc. as per dimensions noted below. Bunds up to 0.5m height, 1m bottom width and 0.5m top width.

Construction of earthern ring bunds for bailing out water for excavation for foundation and stub setting, including shoring, if necessary, with plaited coconut cadjan and bamboos, etc. as per dimensions noted below.Bunds beyond 0.5m height,to 1m height,1.5m bottom width and 0.5m top width.

Construction of earthen ring bunds for bailing out water for excavation for foundation and stub setting, including shoring, if necessary, with plaited coconut cadjan and bamboos, etc. as per dimensions noted below. Bunds beyond 1 m height top width to be 0.5 m and bottom width to be proportionately fixed.

DOWEL BARS - Supplying and Providing MS dowel bars of size 25 mm dia of 2.0m long (1m in rock and 1m in concrete ) including drilling holes of 30mm dia and filling the gap with cement grout( 0.50kg/each) etc complete

Centering and shuttering including strutting, propping etc. and removal of form work for :Foundations, footings, bases for columns.

Centering and shuttering including strutting, propping etc. and removal of form work for :Columns, piers, abutments, pillars, posts and struts

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level: 1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size)

Driving down teak wood pile 150mm to 200mm dia. to approved line and levels through various strata excluding cost of piles, which will be supplied at departmental stores (to be specified) excluding conveyance charge of teak wood piles but including all hire and labour for fixing, staging platform and other appliances necessary for pile driving after pointing the bottom and upto 8m depth below ground level etc. Complete.

Boring, providing and installing bored cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring, with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. all complete, including removal of excavated earth with all lifts and leads (Length of pile for payment shall be measured upto bottom of pile cap).450 mm dia piles

Boring, providing and installing cast in situ single under reamed piles of specified diameter and length below pile cap in M -25 cement concrete, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and the length of the pile to be embedded in pile cap etc. all complete. (Length of pile for payment shall be measured upto to the bottom of pile cap): 450 mm dia piles

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge/Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge - Single pile upto 50 tonne Safe capacity - Routine test (Test Load 1.5 times the Safe capacity)

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer - in-charge. Note:- Cement content considered in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is payable or recoverable separately.All work upto plinth level

Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable/ recoverable separately. Providing M-30 grade concrete instead of M-25 grade BMC/RMC. (Note:- Cement content considered in M-30 is @ 340 kg/cum).

Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable/ recoverable separately. Providing M-35 grade concrete instead of M-30 grade BMC/RMC. (Note:- Cement content considered in M-35 is @ 350 kg/cum).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level with Thermo-Mechanically Treated bars

Cement plaster 12mm ithickness,1:4(with fine sand)

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

Demolishing stone rubble masonry In cement mortar 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 In cement mortar:

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Random rubble masonary with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 up to plinth level with CM 1:6 including cost of all materials

Pointing on stone work with cement mortar 1:3 ( 1 cement : 3 fine sand):Flush/ Ruled pointing

Demolishing brick work 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.

Solid block masonry using precast solid blocks of size 30x20x15cm masonry in cement mortat 1:6 including cost of all materials, conveyance , labour charges, watering etc complete as directed by departmental officers

Brick work with common burnt clay machine moulded perforated bricks of class designation 12.5 conforming to IS: 2222 in superstructure above plinth level up to floor five level in cement mortar 1:6 (1 cement : 6 coarse sand): With F.P.S. ( non modular ) bricks(from floor 2 level up to floor 5 level)

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface

Finishing walls with water proof cement paint of required shade

Conducting Check Survey, setting out tower positions on ground, pit marking, all confirming to the approved profile and tower schedule using Digital Theodolites/ Total Station etc.as directed by Board staff

Detailed Survey of the route using Total Station & GPS Instrument along the alignment fixed by the Board, preparation of the longitudinal profiles of the route showing all site details of the terrain including the GPS Coordinates of all tower locations for the km for full width of the line route, plotting of tower locations with details of types and extensions to towers, preparation of tower schedule, calculations involving sag and tension of conductors, preparation and supply of one copy of the approved sag template on transparent acrylic plastic sheet. Supply after completion of all the stub setting works, two paper print copies and one laminated copy of the approved profile drawing and route map with the final tower locations marked along with Soft copy in AutoCAD format.as directed by Board staff (For 110 kV line, ROW - 22 Mtr)

Drilling holes on GI/steel members wherever found necessary

Filing holes on GI/steel members wherever found necessary

Cutting GI/steel members wherever found necessary

stub setting (using template/probe) for 110 kV towers. Erection of stub, stub template, fixing of jack for supporting template, allignment and leveling for exact location of stubs of stub setting template, dismantling of template after completion of initial curing of Cement concrete, movement of template from one location to another complete, as directed by Board staff - general area (For 110 kV DC Tower)

Erection of tower super structure above ground level including erection of normal and special hill side extension members where ever necessary, providing tower accessories like phase, danger and number plates, bird guards, anti climbing devices, etc. complete

Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding.

Paving out, stringing and tensioning OF POWER CONDUCTORS- ACSR WOLF DC LINE(6 LINE) including attaching insulator strings with arcing horns or rings on to the tower cross arms, clamping the conductor to the insulator strings using suspension clamps with armour rods and tension clamps, jumpering the conductors at tension points, jointing the conductors and pilot wire wherever necessary, installation of vibration dampers hire charges of tractor and stringing tools, etc. Complete (Base data for ACSR panther).

Paving out, stringing and tensioning as per standard one OPGW including fixing the conductors on to the tower tops using tension clamps and suspension clamps, jumpering the conductor at tension points, jointing of conductor wherever necessary, errection of earth bonds, hire charges of the pulling machines, tractors and stringing tools, all hire and labour for protective trestles and providing suitable back strings at the time of stringing etc complete.

Dismantling the existing 3 LINE ACSR DOG conductor from the tower including detatching clamps ,connectors and line accessories from the conductor,winding and stacking the same at site etc

Dismantling of existing 7/10 or 7/3.15mm Earth conductor from the tower detaching the clamps,connectors and line accessories from the conductor,winding and stacking the same at site.

Rewinding of ACSR DOG from dilapated conductor drums (unserviceable for transporting) to serviceable conductor drums issued departmentally including all hire charges for tools and plants and other appliances necessary for rewinding.

Rewinding of "7/3.15mm or 7/10 stranded steel earth wire' from ilapidated conductor drums unsuitable for transporting/paving out on to serviceable conductor drums issued departmentally including all hire charges for tools & plants necessary for rewinding.

PIPE EARTHING:Providing earthing in terminal tower as per standard specification by providing 150mm dia bore hole for a depth of 3.6m and placing of GI pipes 50 mm dia GI "C" class 3m long into the bore including cost of 600 mm dia RCC collar placing over the earth pipe and connecting the earth pipe and tower leg using 7/3.66 mm GI earth wire with lugs connecting to the pipe and fixing necessary GI clamp etc.,including drilling of bore cost of all lead and lifts etc.

Counter poise earthing excavation for trench for burying the conductor 450mm below ground level, laying and connecting the conductor on to the tower legs, back filling and consolidating the soil after laying the conductor etc. Complete.

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc. -Transportation of Line and earth conductors by head load up to 1 km

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc.-Transportation of Insulators,power conductor and earth conductor accessories by head load up to 1 km

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc- Transportation of towers, extensions,other structures and all other materials including earthing materials by head load up to 1 km

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc- Conveyance up to 10 km (Line and earth conductors)

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc-Conveyance up to 10 km (Insulators,power conductor and earth conductor accessories)

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc- Conveyance up to 10 km (Towers ,extensions,other structures and all other materials including earthing materials)

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc- Conveyance above 10 km (Line and earth conductors)

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc- Conveyance above 10 km (Insulators,power conductor and earth conductor accessories)

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for erection including storage if necessary loading and unloading charges etc- Conveyance above 10 km (Towers ,extensions,other structures and all other materials including earthing materials)

Dismantling (without damage) one km 11kV line (three conductors) including dismantling cross arm, insulators, disc, disconnecting jumper connection, rolling the conductor and stacking the materials.

Dismantling (without damage) one km LT three phase 4 wire OH line conductor by dismantling cross arms, insulators and stacking the conductors in rolls properly.

Dismantling (without damage) one km LT single phase 2 wire OH line conductor by dismantling cross arms, insulators and stacking the conductors in rolls properly.

Stringing of one km 11kV line with ACSR Raccoon (3 conductors) after fitting insulators and giving jumper connections including cutting and removing tree branches wherever necessary excluding cut point works.

Stringing, shackling, fitting cross arms, insulators and binding, giving jumper connection etc. using ACSR Rabbit for Phase and ACSR Weasel for Neutral, for one km LT three phase 4 wire line including cutting and removing tree branches wherever necessary and conveyance of all materials (except poles) from stacking place.

Stringing, shackling, fitting cross arms, insulators and binding, giving jumper connection etc. using ACSR Rabbit for Phase and Neutral, for one km LT single phase 2 wire line including cutting and removing tree branches wherever necessary and conveyance of all materials (except poles) from stacking place.

Dismandling of tower superstructure above ground level including dismantling of tower accessories like phase, danger and number plates, bird guards, anticlimbing devices etc. Complete.

Disconnecting and lowering down the single phase WP service connection with guy wire from the OH line and reconnecting the same after completing the line Work.

Disconnecting and lowering down the Three phase WP service connection with guy wire from the OH line and reconnecting the same after completing the line Work.