Upgradation of 66 kV Substation Alappuzha to 110kV level - Construction of Mac Road, retaining wall, formation of yard and allied works.

Amount

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

Felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material - Beyound 30 cm girth up to and including 60 cm girth

Uprooting and removing only stumps of trees of all girth other than palm or coconut stumps as per the direction of departmental officers at site

Dismantling barbed wire in fencing including making rolls and stacking with a lead up to 50m as per the direcions of departmental officers at site.

Demolishing old cement concrete 1:3:6 or richer mix 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.(For dismantling Y angle above compoundwall)

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. - In cement mortar

Demolishing Laterite 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- Charges: in cement mortar

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- Charges: in cement mortar

Demolishing plain cement concrete 1:4:8 or leaner mix manually/ by mechanical means includingdisposal of material within 50 metres lead as per direction of Engineer - in -Charge

Providing service of Excavator of suitable size for movement of debris indside the yard and premises to enable stacking of debris at places pointed out to enable works / clearing after works 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 m2 on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.

Providing and laying in position Cement concrete 1:3:6 using 40 mm broken stone for padding concrete etc complete excluding the cost of centering and shuttering

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 walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets,kerbs and steps etc.

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: 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

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 : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm 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.

DR with Departmental. Stone - DRY RUBBLE MASONRY _ Dry rubble without concrete levelling course using departmental rubble including packing to compactness to lines and levels, labour charges etc. complete as per direction of Departmental officers at site

Dry rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) including cost of through stone and bond stone.

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) up to plinth level with: 7.1.1 Cement mortar 1:6 (1 cement : 6 coarse sand)

Solid block masonry using pre cast solid blocks (Factory made) of size 30x20x15 cm or nearest available size confirming to IS 2185 part I of 1979 for foundation and plinth with thickness 15cm in: CM 1:6 ( 1 cement :6 coarse sand) etc.

Solid block masonry using pre cast solid blocks ( Factory made) of size 30x20x15cm or nearest available size confirming to IS 2185 Part I of 1979 for super structure up to floor two level thickness 20cm and above in: CM 1:6 ( 1 cement : 6 coarse sand) etc complete

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.

Providing weep holes in retaining wall using 75mm dia PVC pipes 6kg/sqcm including cost of materials conveyance labour charges etc complete as per the direction of Departmental officers at site

12 mm cement plaster on rough side of single or half brick wall of mix: 1:4 (1 cement: 4 coarse sand)

Filling with contractor's own 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 as per direction of site Engineer-in-charge

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position complete.

Fencing with angle iron post placed at required distance embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and end post on one side only and provided with horizontal lines and two diagonals interwoven with horizontal wires, of barbed wire weighing 9.38 kg per 100 metres (minimum), between the two posts fitted and fixed with G.I. staples, turn buckles etc. complete. (Cost of posts, struts, earth work and concrete work to be paid for serarately) :- Payment to be made per metre cost of total length of barbed wire used.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc. including cutting, hoisting, fixing position including welding and bolted with special shaped washers etc. complete. 10.16.1 Hot finished welded type tubes

Providing trafford Aluminium colored sheet roofing including vertical/ curved surface fixed with Stainless steel self thread screws including SS washers etc complete. ( up to any pitch in horizontal / vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.0.50 mm thick with Aluminium traffored sheet (make Hindalco/ Oralium/ Jindal or eq)

Conveying the covering slab of various sizes from the place of casting and placed over the already constructed cable trench etc complete.

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

Wall painting with acrylic emulsion paint(Exterior) having VOC (Volatile Organic Compound) content less than 50 grams/ litre, of approved brand and manufacture including applying additional coats wherever required, to achieve even shade and colour.

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete. On steel work

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

Providing , laying spreading and compacting graded stone aggregate ( size range 53 mm to 0.075 mm) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub - base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer - in-Charge.

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50mm thick compacted bed of sand/6mm nominal size broken stone, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as per direction of Engineer-in- Charge. 80 mm thick C.C. paver block of M-30 grade with approved color design and pattern.

Providing and laying factory made chamfered edge Cement Concrete paver blocksin footpath, parks, lawns, drive ways or light traffic parking etc, of required strength,thickness & size/ shape, made by table vibratory method using PU mould, laid inrequired colour & pattern over 50mm thick compacted bed of sand, compacting andproper embedding/laying of inter locking paver blocks into the sand bedding layerthrough vibratory compaction by using plate vibrator, filling the joints with sand andcutting of paver blocks as per required size and pattern, finishing and sweepingextra sand. complete all as per direction of Engineer-in-Charge.- 60mm thick cement concrete paver block of M-35 grade with approved colour, design& pattern.

Akhin George

varadan