Construction of 5 km 110kV DC line from Malaparamba-Kuttippuram feeder to the proposed 110kV Substation Kadampuzha

Amount

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

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

Transport of Towers, extensions and other structures and all other materials including earthing materials etc. issued departmentally for the works form departmental stores and distribution to locations for erection including storage if necessary, loading and unloading charges etc

Transport of materials issued departmentally for the works form departmental stores and distribution to locations for erection including storage if necessary, loading and unloading charges etc. Line & Earth conductor

Transport of Insulators and accessories, Power conductor accessories, Earth conductor accessories etc. issued departmentally for the works form departmental stores and distribution to locations for erection including storage if necessary, loading and unloading charges etc

Earth work in excavation in all kinds of soil by mechanical means (Hydraulic excavator) / manual meansin 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.

Earth work in excavation in all kinds of soil by mechanical means (Hydraulic excavator) / manual meansin 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 after initial lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

Earth work excavation in all kinds of soil by mechanical means (Hydraulic excavator) / manual means over areas (not exceeding 1.5m in depth. 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, 2nd additional lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50M.

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

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

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

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas ( not exceeding1.5 in depth, 1.5 m in width or 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 (requiring blasting)

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

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

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

Dewatering manually wherever necessary including all labour charges etc. Complete

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 on the face area timbered). For depth not exceeding 1.5 M

Close timbering in trenches including strutting, shoring and packing cavities (wherever required ) complete. ( Measurements to be taken on the face area timbered ). For depth exceeding 1.5 M and upto 3M

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 mm nominal size.

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 20 mm nominal size)

Stub setting (using template /probe) for 110kV 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 (For110 kV DC Tower)

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

Supplying and laying 75mm PVC pipes in line and levels as per the direction of departmental officers

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

Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of R.M.C. from transit mixer to site of laying, excluding the cost of centering, shuttering finishing and reinforcement including cost of 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 the Engineer - in -charge. Note:- Cement content considered in this item is @330 kg/cum. Excess /less cement used as per design mix is payable/recoverable separately.All wiork upto plinth level

Add for using extra cement in the items of design mix over and above the specified cement content therein

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

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : 7.1.1 Cement mortar 1:6 (1 cement : 6 coarse sand)

Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) : 13.33.1 Flush/ Ruled pointing

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.

Excavation of earth pit of size 0.3 x 0.3 x 3.6 m including over excavation on account of sloping the banks and necessary hire for planks for filling of charcoal, earthing of tower by means of a 50 mm dia, 3 m long pipe and a double run 7/9 S.W.G galvanised steel wire or G.1 tape including cost of charcoal but excluding cost of pipes, steel wire or copper tape with connecting lugs, nuts, etc. which will be supplied at departmental stores (to be specified)

Providing counter poise type earthing wherever necessary for tower location including extra excavation in foundation pits of towers for fixing wih G.I wire on both terminals for connection the GI pipe with tower leg refilling with excavated earth mixed with salt and charcoal as per standard specification including cost of S fabrication of legs for connection arrangement all other materials, transport all labour leads and lifts, etc., complete.

Providing earthing in terminal tower as per standard specification by providing 150 mm dia bore hole for a depth of 3.6m and placing of GI pipes 50mm dia GI "C" class 3m long in to 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.,complete.

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

Erection of tower super structure above ground level including erection of normal and special hill side extension members wherever necessary , providing tower accessories like phase, danger and number plates, bird guards, anticlimbing devices, including tighting, punching and tack welding up to bottom crossarm in the bolt and nut after punching and applying zink rich primer wherever necessary etc. complete, as directed by Board staff (For 110kV DC Tower-Average heightis 22 mtrs ) general area

Rewinding of WOLF ACSR 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 "7/3.15 mm or 7/10 stranded steel earth wire 'from dilapidated conductor drums unsuitable for transporting / paving out on to serviceable conductor drums issued departmentally including all hire charges for tools & plants necessary for rewinding ((0.46/0.59) * rate for 7/3.66)

Paving out, stringing and tensioning as per standard of one 7/10 OR 7/3.15 stranded steel earthwire including fixing the conductors on to the tower top using tension clamps and suspension clamps, jumpering the conductors attension points, jointing the conductor wherever necessary, erection of earth bonds, hire charges of tractor and stringing tools, etc. Complete. ((.46/.59)* rate for 7/3.66)

Paving out, stringing and tensioning OF ACSR WOLF POWER CONDUCTORS 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 attension 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)

Providing GI barbed wire protection to towers with 2 strand barbed wire weighing 9.38kg per 100m(minimum) fixed with GI staples to posts around erected towers including cost conveyance of all materials, labour charges etc. complete as directed.

Re-Tensioning one span 11kV line including replacing insulators, tightening stay, cutting tree branches and conveyance.

Reshackling one span LT 3ph 4 wire OH line, replacing insulators, tightening stay, cutting tree branches including conveyance.

Reshackling one span LT Sph 2 wire OH line, replacing insulators, tightening stay, cutting tree branches including conveyance.

Dismantling and reconnecting Sph service connection from the OH line including lowering down the WP portion.

Dismantling and reconnecting 3ph service connection from the OH line including lowering down the WP portion.

Fitting one Additional 75x40mm, 1.8m Channel cross arm in existing single pole including conveyance of materials.

Centering and shuttering including strutting, etc. and removal of form for:Lintels, beams, plinth beams, girders bressumers and cantilevers

Reinforced cement concrete work in beams, suspended floors, roofs, having slope up to 150 landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases up to floor five level excluding the cost of centering, shuttering, finishing and reinforcement, with1:1.5:3 (1 cement : 1.5 coarse sand (Zone III) : 3 graded stone aggregate 20 mm nominal size).

Filling with contractor own earth (excluding rock) in open areas 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 as per direction of site Engineer-in-charge.

HI TECH TOWERS

Fathima Engineering Co. Pvt. Ltd.