Providing LILO arrangement of HNL tapline to KRL substation

Transportation of materials issued departmentally for the work from the departmental store at Angamaly and distribution to locationsby lorry for stringing including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work

Line and Earth Conductor

Insulators and accessories, power and earth conductor accessories

Tower Parts and other structures including earthing set( including third cross arm)

Transportation of dismantled Materials and others (including Template) from site to Transmission store Kalamassery by Lorry as per the directions of Departmental officers at site-Tower parts

Transportation of dismantled Materials and others (including Template) from site to Transmission store Kalamassery by Lorry as per the directions of Departmental officers at site-Line and Earth Conductor

Transportation of dismantled Materials and others (including Template)from site to Transmission store Kalamassery by Lorry as per the directions of Departmental officers at site-Insulators and accessories, power and earth conductor aacessories

Transportation of materials issued departmentally for the work from near road to location by head load including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work-Line and Earth Conductor

Transportation of materials issued departmentally for the work from near road to location by head load including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work-Insulators and accessories, power and earth conductor accessories

Transportation of materials issued departmentally for the work from near road to location by head load including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work - Tower Parts and other structures including earthing set( including third cross arm)

Transportation of dismantled Materials and others (including Template) from near road to location by head load as per the directions of Departmental officers at site-Tower parts

Transportation of dismantled Materials and others (including Template) from near road to location by head load as per the directions of Departmental officers at site-Line and Earth Conductor

Transportation of dismantled Materials and others (including Template) from near road to location by head load as per the directions of Departmental officers at site-Insulators and accessories, power and earth conductor aacessories

Dismantling jumper between two lines without suspension insulators of ACSR wolf Single conductor as per the direction of departmental officers. (For one phase)

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

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 (For 110kV DC tower)

Stub setting (using template / probe) for 220 kV MC 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 220kV MC tower)

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, anti climbing devices, including tighting ,punching and tack welding upto bottom cross arm in the bolt and nut after punching and applying zink rich primer wherever necessary etc. complete, as directed by Board staff (For 110 kV DC Tower - Average height is 22 mtrs) general area.

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, anti climbing devices, including tighting ,punching and tack welding upto bottom cross arm in the bolt and nut after punching and applying zink rich primer wherever necessary etc. complete, as directed by Board staff (For 220kV MC Tower - Average height is 50.25 mtrs) general area.

Dismantling of tower super structure above ground level including normal and special hill side extension members, detaching tower accessories, Nut and bolts (where ever necessary) from the tower angles and stacking the same at site.

Drilling of holes

Filing of holes

Cutting of steel angle

Bending and shaping of steel angles for cross arm edges

Paving out, stringing and tensioning as per standard of six line 'ACSR WOLF' 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 at tension points, jointing the conductors and pilot wire where ever necessary , installation of vibration dampers, hire charges of tractor and stringing tools, all hire and labour for protective trestle work, providing suitable back stays at the time of stringing etc complete (including sag , jumber).

Dismantling existing 3 line ACSR Wolf conductor from the tower and stacking the conductor as per directions

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 where ever necessary, erection of earth bonds, hire charges for 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 existing OPGW from the tower and stacking the conductor as per directions

Dismantling one set tension string with conductor from D- shackle of the 66/110kV tension tower after tensioning the conductor by using special appliances after removing jumper connections, then lowering the conductor with tension string, dismantling existing tension clamp with fittings from the conductor, marking the position of the tension hardware fittings after changing the damaged portion of line conductor if any with new conductor using Mid span joint and providing single tension /double tension hardware fittings on the conductor using compresor, replacing damaged disc insulators, re-assembling the insulator string to the tension hardware fittings with conductor, lifting the same, re-assembling to the cross arm and giving necessary jumper connections etc. as per the direction of departmental staff.

Stringing and fixing earthwire of size 7/9, 7/10 or 7/3.15 between top of the columns and to terminal tower at 33/66/110/22kV 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 directions of the departmental officers.(Line to gantry)

Uncoiling, paving out, stringing and fixing of bus bar using ACSR Kundah / Wolf single conductor for one phase of 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 horns including transportation of materials from the stockyard to the site under the supervision and direction of department staff at site. (All materials will be supplied departmentally at free of cost).

Providing droppers and connecting to lines / equipments or jumper between two buses without suspension insulators using ACSR Moose 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)

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., complete.

Providing jumper between two lines without suspension insulators using ACSR wolf Single conductor as per the direction of departmental officers. (For one phase)

At Location 89 works -Transportation of materials issued departmentally for the work from near road to location by boat including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work-Line and Earth Conductor

At Location 89 works -Transportation of materials issued departmentally for the work from near road to location by boat including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work-Insulators and accessories, power and earth conductor aacessories

At Location 89 works -Transportation of materials issued departmentally for the work from near road to location by boat including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work-Tower Parts and other structures including earthing set (including third cross arm)

At Location 89 works -Transportation of materials issued departmentally for the work from near road to location by head load including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work -Line and Earth Conductor

At Location 89 works -Transportation of materials issued departmentally for the work from near road to location by head load including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work -Insulators and accessories, power and earth conductor aacessories

At Location 89 works -Transportation of materials issued departmentally for the work from near road to location by head load including all charges for conveying, loading, unloading, storage, all incidental expenses during execution of work -Tower Parts and other structures including earthing set (including third cross arm)

Erection of special type cross arm for LILOing the feeder including tighting ,punching the bolt and nut and applying zink rich primer wherever necessary etc. complete, as directed by Board staff (For 110 kV DC Tower at Location 89 area, all sides are marshy land/water logged more than 1Km. Since it is in water logged area, execution is extremely difficult and risky to the execution team).

Dismantling of tower super structure above ground level including extension members, detaching tower accessories, Nut and bolts (where ever necessary) from the tower angles and stacking the same at site ( in water logged area, where execution is extremely difficult and risky to the execution team.)

Dismantling one set tension string with conductor from D- shackle of the 66/110kV tension tower after tensioning the conductor by using special appliances after removing jumper connections, dismantling existing tension clamp with fittings from the conductor, marking the position tension hardware fittings on the conductor using compresor, lifting the same, re-assembling to the cross arm and giving necessary jumper connections etc. as per the direction of departmental staff in the water logged and marshy area, with large bushe and shurbs, which makes difficult for the movement of men, machine and transportation of tools and plants for stringing.

Clearing grass and removal of the rubbish up to a distance of 50 m

Boring, providing and installation 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. by percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap). Note: Truck Mounted rotary/TMR/Tubewell boring machine shall not be used (600mm dia).

Additional rate only for boring in rock, having PPR (IRC 78) value more than 450, for pile socketing (the normal boring in kinds of soil strata including concrete, boring, casing pipes, labour charges, conveyance etc. complete will be paid as per the respective line item)- diameter 600mm

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of 750mm 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. by percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap). Note: Truck Mounted rotary/TMR/Tubewell boring machine shall not be used (750mm dia) .

Additional rate only for boring in rock, having PPR (IRC 78) value more than 450, for pile socketing (the normal boring in kinds of soil strata including concrete, boring, casing pipes, labour charges, conveyance etc. complete will be paid as per the respective line item)- diameter 750mm

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-25 of 900mm 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. by percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical Winch Machine all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap). Note: Truck Mounted rotary/TMR/Tubewell boring machine shall not be used (900mm dia).

Additional rate only for boring in rock, having PPR (IRC 78) value more than 450, for pile socketing (the normal boring in kinds of soil strata including concrete, boring, casing pipes, labour charges, conveyance etc. complete will be paid as per the respective line item)- diameter 900mm

Pumping or Bailing out water and removing slush etc by using pump set including cost of labour, oil hire charges of pumpset, etc complete

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 getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

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 (zone-III) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources)

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

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

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarseaggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level Concrete of M25 grade with minimum cement content of 330 kg /cum

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

12 mm cement plaster of mix 1:4 (1 cement: 4 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 upto 1.5 m.

Supplying and stacking at site. Moorum

Filling with available moorum and earth (already supplied and measured separatly) in layers (each layer should not exceed 15 cm), with intermediate layer of compacted earth (Soil density of 98%) after every four layers of compacted depth of moorum , sides & top layer of filling shall be done with earth having total minimum compacted thickness 30 cm or as decided by Engineer -in-charge, including compacting each layer by rolling/ ramming and watering, all complete as per drawing and direction of Engineer -in - charge

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30

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 :Cement mortar 1:6 (1 cement : 6 coarse sand)

Fabrication & erection of casing pipe of specified diameter with 6mm or specified thickness MS plate used for cast in situ pile including cost of casing pipe and conveyance of all materials, relatedcharges for fixing anchorages etc .with all leads and lifts complete for all piling locations wherever found necessary as per the specification and as directed by KSEBL Engineer