Dismantling of 150 kWp rooftop solar plant from the office main control room and DG room building and installing as ground mounted solar plant including the installation of already dismantled 45 kWp solar plant at 400 kV Substation Madakkathara.

Material

Cable 1.1kV XLPE AL UG 3.5c x 300 sq mm (armoured)

Labour

Dismantling of solar panels of standard size carefully and stacking the same at maximum of 50m away from the place of dismantling taking all safety precautions as per direction of departmental officers

Dismantling of solar panel mounting structures by loosening bolt and nut and cutting the base structure.

Dismantling of Module Cleaning System and accessories including dismantling of pipes,cleaning motor and all accessories complete stacking the same at maximum of 50m away from the place of dismantling taking all safety precautions as per direction of departmental officers

Dismantling of Lightning Arrestor spike set and its connections including disconnecting strips, dismantling of pipes and all accessories complete stacking the same at maximum of 50m away from the place of dismantling taking all safety precautions as per direction of departmental officers

Dismantling DC Cable after removing connectors taking all safety precautions stacking the same at maximum of 50m away at place of storage as per direction of departmental officers

Dismantling AC Cable/earth cable(16mm2-70 mm2) after removing connectors taking all safety precautions stacking the same at maximum of 50m away at place of storage as per directin of departmental officers

Dismantling of ACDB or DCDB or Compiler box (Above 30KW) after removing all connections taking all safety precautions and stacking the same at maximum of 50m away as per direction of departmental officers

Dismantling of Ongrid solar Inverter(50KW) after removing all connections taking all safety precautions and stacking the same at maximum of 50m away as per direction of departmental officers

Dismantling Earthing strips connection taking all safety precautions as per direction of departmental officers

Dismantling of communication system,weather monitoring system including dismantling of its analog input and output connections,auxiliary supply etc complete and keeping in a safe place taking all safety precautions as per direction of departmental officers

Transporting of solar panels of standard size carefully from the roof top of one floor height carefully and stacking the same at the place of storage up to a lead of 1 kilometre taking all safety precautions as per direction of departmental officers.

Extra rate for transporting the solar panels of standard size for an additional floor height

Transporting all materials other than solar panel including Concrete ballast structures after detaching from the roof top of one floor height carefully and stacking the same at the place of storage up to a lead of 1 kilometre taking all safety precautions as per direction of departmental officers.

Extra rate for transporting all materials other than solar panel including Concrete ballast structures for an additional floor height

Providing and laying cement concrete in retaining walls, return walls, walls ( any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc. up to floor five level, excluding the cost of centering, shuttering and finishing:1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Erection of yard structures and assembling of columns and beams using bolt and nut including punching of holes.

Erection of solar panels of standard size in lines and levels carefully with a lead of maximum 50m from the place of storage taking all safety precautions as per direction of departmental officers.

Solid 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 with thickness 15cm in: CM 1:6 (1 cement: 6 coarse sand) etc complete.

12 mm cement plaster of mix:1:4 (1 cement: 4 fine sand)

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.Hot finished welded type tubes.

Applying priming coat:With ready mixed red oxide zinc chromate primer of approved brand and manufacture

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade two or more coats on new work.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+0.05%), total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in charge. The sheet shall be fixed using self-drilling/self-tapping screws of size (5.5x55mm) with EPDM seal, 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.

Erection of module cleaning system and accessories including erection of pipes, cleaning motor and all accessories complete in lines and levels carefully with a lead of maximum 50m from the place of storage taking all safety precautions as per direction of departmental officers.

Erection of Lighting Arrestor set and its connections including erection of pipe and connecting strips and wires and all accessories complete in lines and levels carefully with a lead of maximum 50m from the place of storage taking all safety precautions as per direction of departmental officers.

Laying DC Cable (4mm2- 6mm2) and termination of connections taking all safety precautions as per direction of departmental officers.

Laying AC Cable/earth cable (16 mm2-70 mm2) and termination of connections taking all safety precautions as per direction of departmental officers.

Erection of ACDB or DCDB or Compiler box (Above 30KW) in lines and levels and termination of all connections taking all safety precautions as per direction of departmental officers.

Erection and commissioning of on-grid solar Inverter(50KW) in lines and levels and termination of AC, DC and earth connections taking all safety precautions as per direction of departmental officers.

Laying 25 mm X 5 mm G.I strip on ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Excluding the rate of materials).

Erection and commissioning of communication system, weather monitoring system including reconnection of analog output connections, auxiliary supply etc. complete and making ready for operation as per direction of departmental officers (Excluding cost of all materials).

Supplying and laying of following size DWC HDPE pipe. lSI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. in the existing trench, complete as required. 90 mm dia (OD-90 mm & ID-76 mm nominal).

Supplying and laying of 90 mm dia DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part 0.II complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. Above 185 sq. mm and upto 400 sq. mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3 X 300 sq. mm (70mm)

Providing one Earth using earth pipe incl. digging separate pit at standard distance away from the pole/structure & backfilling.

Additional rate for excavation of one Earth Pit (2.5m depth) in Hard Laterite.