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| 1 | Transport of materialsissued departmentally by mechanical transport for the worksfrom departmental stores and distribution to locations for erection or dismantled tower parts and conductors including storageif necessary, loading, stacking and unloading charges for up to 155 km- Line and Earth Conductor |
| 2 | Transport of materialsissued departmentally by mechanical transport for the worksfrom departmental stores and distribution to locations for erection or dismantled tower parts and conductors including storageif necessary, loading, stacking and unloading charges for up to 155 km- Insulators and accessories, power conductor accessories and earth conductor accessories etc |
| 3 | Transport of materialsissued departmentally by mechanical transport for the worksfrom departmental stores and distribution to locations for erection or dismantled tower parts and conductors including storageif necessary, loading, stacking and unloading charges for up to 155 km-Tower extensions and other structures and all other materials including earthing materials |
| 4 | Stub setting (using template/probe) for 220 kV towers. Erectionofstub,stubtemplate,fixingofjackforsupporting template, allignment and leveling for exact location of stubs of stubsettingtemplate,dismantlingoftemplateafter completion of initial curing of Cement concrete, movement of template fromone location toanothercomplete,as directed by Board staff. - general area (For 220 kV DC Tower) |
| 5 | Pipe Earthing-Providingearthing in terminal tower as per standard specificationby providing 150mm diabore hole for a depth of 3.6m and placing of GI pipes 50 mm dia GI \"C\" class 3m longintotheboreincludingcostof600mmdiaRCCcollar placing over the earth pipe and connecting the earth pipe and tower leg using7/3.66 mm GI earth wire withlugs connectingtothe pipe and fixingnecessary GIclamp etc., includingdrilling of borecost of allleadand liftsetc., complete. |
| 6 | Erection of tower super structure above ground level includingerectionofnormalandspecialhillsideextension memberswherevernecessary,providingtoweraccessories likephase,dangerandnumberplates,birdguards,anti climbing devices, including tighting ,punching and tack weldinguptobottomcrossarmintheboltandnut after punchingandapplyingzinkrichprimerwherevernecessary etc. complete, as directed by Board staff 220 kV DC Tower ((a1) x 1.51) Average height 33.2m |
| 7 | Pavingout,stringing andtensioning of power conductors including attaching insulator strings with arcinghornsorrings onto thetowercrossarms,clamping the conductor to the insulator strings usingsuspension clampswith armour rods and tension clamps, jumpering the conductors at tension points, jointing the conductors and pilot wirewherevernecessary,installationofvibrationdampers hirechargesoftractorandstringingtools,etc.Complete.110 kV- Six conductor Wolf |
| 8 | Pavingout,stringing andtensioningasperstandardone OPGWincludingfixingtheconductorsontothetowertops using tension clamps and suspension clamps , jumpering the conductor at tension points , jointing of conductor where evre necessary, erection of earth bonds, hire charges d for pulling machines, tractors and stringing tools, all hire and labour for protectivetrestlesandprovidingsuitablebackstringsatthe time of stringing etc complete. |
| 9 | Drilling of holes |
| 10 | Filing of holes |
| 11 | Cutting of steel angles |
| 12 | Arranging scaffoldings on both sides of the Main road / railway cross as per the directions of dept. officers including hire charges of materials. |
| 13 | 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 siteTake 50% of the rate for the erection of the respective tower |
| 14 | Dismanling 6 Line wolf Double circuit from the tower detaching the clamps, connectors and line accessories from the conductor,winding and stacking the same at site. Take 50% of the stringing rate vide item no 67 |
| 15 | Dismantling asperstandardone OPGWincludingdetachingtheconductorsontothetowertops from tension clamps and suspension clamps, disconnecting jumpering the conductor at tension points etc.(50% of installation cost) |
| 16 | Conducting Check Survey, setting out tower positions on ground, pitmarking, all confirming to the approved profile and tower schedule using Digital Theodolites/Total Station etc. as directed by Board staff |
| 17 | Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30cm in depth. 1.5m in width as well as 10 sqm on plan) including disposal ofexcavated earth, lead upto 50m and lift upto 1.5m, disposed for all classes of soil |
| 18 | Construction of cast - in- situ vertical pile 600 mm dia using DMC method. Boring , providing 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 pile to be embedded in the pile cap etc. by percussion drilling using direct mud circulation (DMC) for 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)- 600mm dia pile |
| 19 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge |
| 20 | Centering and shuttering including strutting, propping etc. and removal of form work foundations, footings, bases of columns, etc. for mass concrete including attached pilasters, buttresses, plinth and string courses fillets,kerbs and steps etc. |
| 21 | Cement concrete 1:3:6 mixture with 40 mmmetal.Providing and laying in position cement concrete of specified gradeincluding the costof cement to be supplied by the contractor at site, conveyance charges of cement to site excluding the cost of centring and shuttering - All work upto plinth level :1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size for PCC) |
| 22 | 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 |
| 23 | 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 : 3 graded stone aggregate 20 mm nominal size) |
| 24 | Back filling of pits after stub settingFilling 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 |
| 25 | Plastering with 1:4 cement mortar 12 mm thick |
