Kerala State Electricity Board Tender

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. In ordinary rocks.

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

Extra for every additional lift of 1.5 m or part there of in excavation / banking excavated or stacked materials,In ordinary rocks

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 : 3coarse sand : 6 graded stone aggregate 40 mm nominal size)

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

Centering and shuttering including strutting, etc. and removal of form for:Columns, Pillars, Piers, Abutments, Posts and Struts

Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

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

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 above plinth level upto floor V level

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

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.

Stub setting (using template/probe) for 110kV towers. Erection of stub, stub template, fixing of jack for supporting templatte, alignment and levelling for exact location of stubs of stub setting templates,dismantling of template after completion of initial curing of cement concrete, movement of template from one locatin to another etc.complete a directed by Board staff-For 110kV DC Tower

12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

Transport of materials issued departmentally for the works form deparmental stores (Angamally) and distribution to locations for erection including storage if necessary, loading and unloading charges etc. (Average one side distance=155km) (inclusive of loading and unloading charges with a lead of 50m by head load and initial lift of 1.5 m at each end)

Erection of tower super structure above ground level including erection of normal and special hill side extension members whenever necessary providing tower acessories like phase, danger and number plates, bird gaurds, anticlimbing devices etc. complete

Drilling of holes (Labour for drilling 16 holes)

Cutting of Steel angles (Labour for cutting 8 nos of steel angles)

Pipe earthing Excavation of earth pit of size 0.3x0.3x3.6m including over excavation on account of slopping the banks and necessary hire for planks for filling of charcoal, earthing of tower by means of a 50mm dia, 3.0m long pipe and a double run 7/9 S.W.G galvanized steel wire or GI tape including cost of charcoal but excluding cost of pipes,steel wire or GI tape with connecting lugs,nuts etc. which will be supplied at departmental stores.

Paving out, stringing and tensioning as per standard of 3 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 loads and tension clamps, jumpering the conductors at tension points, joining the conductors and pilot wire wherever 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.

Paving out, stringing and tensioning as per standard of one7/9 OR 7/3.66 stranded steel earth wire including fixing the conductors on to the tower top using tension clamps and suspension clamps, jumpering the conductors attension points, jointing the conductor wherever necessaryerection ofearthbonds,hirecharges of tractor and stringingtools,etc. Complete.

Dismantling of existing ACSR WOLF conductor

Dismantling of existing earth conductor

Arranging scaffoldings on either sides of the Main road as per the directions of dept. officers excluding hire charges of materials.

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 giving 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 and providing single tension hardware fittings/double tension hardware fittings(double tension hardware fittings for road crossings etc.) on the conductor using compressor, replacing damaged disc insulators ,re-assembling the insulator string to the tension hardware fittings with conductor, lifting the same, re-assembling to the existing D-shackle at the cross arm and giving necessary jumper connections etc. as per the direction of departmental staff. Special tools if available will be supplied at free of cost

Providing derrick support and temporary stay arrangement for a tower