Tender For 220Kv Substation Taliparamba -Transgrid Downstream Works-Erection Of Yard Structures And Equipments- 1 Fabrication of structures for erecting equipments. The GI & MS angles will be supplied departmentally 2 Transporting by head load, the materials issued departmentally to the site from the place of storage and distribution to erection site - 0.5km 3 Drilling Holes in Yard Structure 4 Cutting of Steel angle in yard structure erection 5 Welding by electric plant as per standards.( DSR -18- Code.No.1215) 6 Erection of yard structures and assembling of columns and beams using bolt and nut including punching of holes. 7 Erection of 1 No. 220kV CT/PT/CVT on the already erected structure of above 1.5m height after opening of crates at the place of storage, leading to site carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers, including all labour charges, hire charges of tools& tackles etc. 8 Erection of 1 No. 220kV LA/Post insulator on the already erected structure after opening of crates at the place of storage leading to site carefully, keeping lines and levels as per the direction of the departmental officers. 9 Unpacking carefully and leading one set of 3 pole 220kV Circuit Breaker from the place of storage, including support structure , mechanism box compressor, pipe lines etc. to site , cleaning and erecting on foundation using suitable lifting tools, after disassembling necessary parts if required, to lines and levels and assembling all the parts , connecting mechanism etc. in complete shape and making ready for commissioning as per the direction of departmental officers. 10 Erection of one set 220kV Bus Isolator on the already erected structure including opening crates and conveyance of all accessories from the place of storage to the place of erection to lines and levels including erection of mechanism box checking operation and aligning properly as per the direction of departmental officers. 11 Erection of one set 220KV line Isolator on the already erected structure including opening crates and conveyance of all accessories from the place of storage to the place of erection to lines and levels including erection of mechanism box checking operation and aligning properly as per the direction of departmental officers. 12 Uncoiling, paving out, stringing and fixing of bus bar using ACSR Moose single conductor for one phase of 220KV bus of span up to 35M 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 110kV 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). 13 Uncoiling, paving out, stringing and fixing of bus bar using ACSR Moose Double conductor for one phase of 220KV bus of span up to 35M by cutting the conductor to sufficient length, crimping using compressor / bolting the four ends, washing, cleaning and drying the insulator discs, fixing the conductors to the 220kV yard structure with sufficient tension using string of double/ single tension insulators and hardwares complete. at four ends,fixing of arcing hornesat both ends, fixing of spacers between two conductors at regular intervals as specified by the dept. staff at site, 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). 14 Stringing and fixing earth wire of size 7/9, 7/10 or 7/3.15 between top of the columns and to terminal tower at 33/66/110/220KV 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 direction of the departmental officers. 15 Providinginterconnection between equipments using ACSR Moose/ Kundah/ wolfSingle conductor at both ends with compressed/ bolted ends including uncoiling and cutting of conductor as per the direction of departmental officers. 16 Providing droppers and connecting to lines / equipments or jumper between two buses without suspension insulators using ACSR Moose/ Kundah/ wolfSingle conductor at both ends with compressed/ bolted ends including uncoiling and cutting of conductor as per the direction of departmental officers. (For one phase) 17 Providing droppers and connecting to lines / equipments or jumper between two buses with necessarysuspension insulators using ACSR Moose/ Kundah/ wolfDouble conductor at both ends with compressed/ bolted ends , fixing spacers at regular intervals as directed, including uncoiling and cutting of conductor as per the direction of departmental officers. (For one phase) 18 Providing droppers and connecting to lines / equipments or jumper between two buses with necessary suspension insulators for 33kV/66kV/110kV/220kV using ACSR Moose/ Kundah/ wolfSingle conductor at both ends with compressed/ bolted ends including uncoiling and cutting of conductor as per the direction of departmental officers. (For one phase) 19 Laying of departmentally supplied GI strip/Copper strip of suitable sizeincluding cleaning and neatly bending of strips ,cutting, removing of metal/earth in the yard and burying earth strip to the required depth re-doing the yard metalling as per the direction of the departmental officers.(Substation Data No.43) 20 Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip & other end of the strip with yard structure at 2 points 50mm apart each welding points having 50mm length and 6mm thick on both sides & end of the strip including the charges for connecting the strip with structure using bolted joints as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete.(Substation Data No.44) 21 Welding overlapping joints of 50x6mm GI strip with 50mm long, 6mm thick welding on all three sides after doing 2 Nos. bolted joints at the centre as specified after cleaning the surface. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes( No.E7018) cost of anti corrosive paint etc. complete.(Substation Data No.45) 22 Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip and connecting other end with nuts & bolts if required as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete.(Substation Data No.46) 23 Welding one end of the GI strip 50x6mm with the structure with a welding length of 50mm & 6mm thickness on both sides & end of the strip and connecting other end with bolts & nuts if required including hire charges of DC arc welding set, current charges, cost of low hydrogen DC arc welding electrodes (No.E7018) cost of anti corrosive paint etc. complete.(Substation Data No.47)
