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| 1 | Dismantling of old unserviceable damage/ rusted PCC pole/ steel tubular poles of any size necessary disconnecting cables/over head condcutor and removing unserviceable pole from site complete all as specified and directed. |
| 2 | Supply, installation, testing and commissioning of 11 KV, 630 Amps, Outdoor (IP54), RMU (Ring Main Unit) 4-way comprising of 02 Nos 630 Amps, manually operated Load Break Switch and 02 Nos 630Amp Fixed-Type VCB, inside robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank having min. thickness 3+0.5 mm with IP 67 Degree of Protection. RMU should be provided with internal busbars, as well as earthing busbars of electrolytic grade copper, padlock provisions & complete with all accessories. The RMU shall be type tested for Internal arc test of 20kA/1 sec as per IEC62271-200. RMU shall have on-site-repairability features such as site replacable bushing/coupling/mechanism and gas refilling at site. The earthing busbar shall be provided inside each cable compartment for soilid earthing of Cable sheilds. The outer hinged main door should cover entire front of switchgear including cable doors for providing fail-safe protection. The unit shall include the following with all necessary standard fitting as required at site. |
| 3 | 02 Nos. Incoming Load Break Switch module consisting of following accessories : 11kV, 630A Load Break Switch module and integrated earthing switch, both with full making capacity.Short time current - 20kA/3-sec, Making Capacity - 50kApAuxiliary contacts - 1NO + 1NC Spring-assisted snap-action mechanism driven via shaft that remains un-inhibited after motorization, if required in future. Cable boxes with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access to 3Cx300sqmm XLPE AL cable termination in live-condition, Right angle boots (push on type) Suitable site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes.Arc proof cable covers with self Interlocking mechanism with earth switch Capacitive voltage indication fixed type system as per IEC61243 |
| 4 | 02 Nos. Outgoing VCB module consisting of following accessories :11kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of making capacity. Short time breaking current/withstand - 20kA/3-sec, Making Capacity - 50kVap Aux. contacts - 1NO+1NCStored-energy spring mechanism with integrated manual spring-charging handle to prevent theft at site and mechanical life of 5000CO operations achieved using single high endurance mechanism or multiple mechanisms supplied as spare. Cable boxes with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access to XLPE AL cable termination in live condition, Right angle boots (push on type)Suitable site replacable Cable bushings situated inside cable-cover to allow ease of access for installation/testing/replacement purposes3O/C + 1E/F self powered numerical protection relay with Low and High set for Over current and Earth Fault. Relay should have facility to display the maximum loaded phase current also.Relay shall record minimum 5 fault records with time stamping. Associated ring-core cast-resin insulated CTs of appropriate ratio. Arc proof cable covers with self Interlocking mechanism with earth switch Capacitive voltage indication fixed type system as per IEC61243 |
| 5 | Note: (i) Each cable box will have Capacitive voltage LED indications to indicate cable-live condition inside the cable box.(ii) Necessay interclocking arrangement shall be provided for safety and operations(iii) One No. Operationg Handle for Manual Isolator/Disconnector/Earthing Operation and one no. manometer shall be provided(iv) Above switchgear shall confirm to relevant IEC (62271-200) for design, manufacturing and internal arc compliance.(v) Foundation PCC for installing the outdoor RMU as per manufacturer drawing 1mtr above the ground level will be installed at work site by tenderer and cost of the same deem to be included in rates quoted and nothing extra on this account will be admissible. |
| 6 | Supply, laying, connecting and testing XLPE insulated (Earthed) cable in trenches/or fixed on pole etc in screened PVC bedded galvanized steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 Volt grade, cross sectional area 185 Sqmm, 3 Core Conforming to IS-7098 (Part-II)-1985 complete all as specified and directed. (Note: Excavation & earth work shall be measured and paid separately) |
| 7 | Excavation in trenches in soft/loose soil not exceeding 1.50 Meter wide and not exc.1.5 Meter deep and getting out for taking out/laying cable, poles & stay etc, complete all as specified and as directed by Engineer-in-Charge. |
| 8 | Returning, filling in including spreading leveling, watering and well ramming in layers not exc 25 cm thick after the cable have been laid tested complete all as specified and as directed. |
| 9 | Removal of excavated surplus soil to a distance n exc. 50 Meter and depositing where directed at a level not exc 1.5 Meter above the starting point complete all as specified and as directed. |
| 10 | M&L for sand cushioning to under ground cable provided with layer of sand (8cm deep before laying the cable and 15 cm deep after laying the cable ie total 23 cm) and 18cm punnd thickness shall be paid complete all as specified and as directed. |
| 11 | Supply and laying reinforced precast concreate cable cover, HV , flat size 450mm x 230mm x 50 mm for HT cable protection complete all as specified and as directed. |
| 12 | Material and Labour complete for drilling hole manually under hard standing /road for laying of pipe for protection of cable etc and making good the disturbed surface to the existing if any, complete all as specified and directed. |
| 13 | Supply and laying GI tube light grade 100 mm bore pipe with ISI marked fittings complete all as specified and directed. |
| 14 | Material and Labour for demolition of cement Concrete in any descriptiong below or above ground level complete all as specified and directed. |
| 15 | Material and Labour for PCC 1:3:6 type C-1 using 20 mm graded stone aggregates for repairing / filling in road cuts/ hard standing etc all as specified and as directed. |
| 16 | Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 120 sqmm to 185 sqmm complete all as specified and as directed. |
| 17 | Earthing complete with galvanised steel earth plate electrode size 60 cm x 60 cm, 6.3 mm thick burried directly in ground vertically to a depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less than 1.5 metre below ground level, connected to galvanised iron or steel, earth strip 32 x 6 mm size by means of nuts, bolts check nuts and washers made of galvanised iron or steel, earth wire protected by galvanised iron pipe 15mm bore, medium grade and connected to main switch board or main control board as directed and including concrete pit in PCC 1:3:6 type C-1 (using 20 mm graded stone aggregate), pre-cast RCC cover slab 30 cm x 30 cm x 10 cm with one lifting handle made of 8 mm dia MS bar funnel wire mesh, 20 mm bore galvanised iron or steel pipe medium grade for watering charcoal or coke and salt in alternate layers, necessary excavation and earth work in any type of soil complete all as shown in electrical Plate No 5 of MES Schedule Part- I and testing on completion complete all as specified and as directed. (Concrete pit shall be 20 cm to 30 cm away from main pit). |
| 18 | Material and labour for providing masonary plateform of size 3m x 3m (out to out dimension) and 1.2 mtr high above normal ground level for placing RMU of any capacity at the top of platfrom XPM netting will be fixed upto 1.2 mtr height by providing steel angle iron posts of size 65 x 65 x 6mm duly grouted in PCC including provision of two hinged doors for opening from front side and locking arrangement with sliding door bolts and pad locks complete XPM netting with steel angle iron items will be painted with two coats of sythetic enamel paint over a coat of red oxide primer (shade of colour will be suggested at site). Foundation of platform will be prepared in 15 cm thick PCC 1:4:8 using 40mm graded stone aggregate at the depth of 30cm below normal level. Brick work will be carried out in old size burnt bricks in CM 1:4 top of platform will be prepared with 15 cm thick PCC 1:2:4 using 20mm graded stone aggregate. Plastering will be carried out on exposed surfaces of complete platform with 15mm thick CM 1:4 including all connected works such as excavation in any type of soil, levelling, refilling and removing surplus soil all as specifed and directed at site. Please Enable Macros to View BoQ information |
| 19 | Material and labour for providing masonary plateform of size 3m x 3m (out to out dimension) and 1.2 mtr high above normal ground level for placing RMU of any capacity at the top of platfrom XPM netting will be fixed upto 1.2 mtr height by providing steel angle iron posts of size 65 x 65 x 6mm duly grouted in PCC including provision of two hinged doors for opening from front side and locking arrangement with sliding door bolts and pad locks complete XPM netting with steel angle iron items will be painted with two coats of sythetic enamel paint over a coat of red oxide primer (shade of colour will be suggested at site). Foundation of platform will be prepared in 15 cm thick PCC 1:4:8 using 40mm graded stone aggregate at the depth of 30cm below normal level. Brick work will be carried out in old size burnt bricks in CM 1:4 top of platform will be prepared with 15 cm thick PCC 1:2:4 using 20mm graded stone aggregate. Plastering will be carried out on exposed surfaces of complete platform with 15mm thick CM 1:4 including all connected works such as excavation in any type of soil, levelling, refilling and removing surplus soil all as specifed and directed at site. Please Enable Macros to View BoQ information |
