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| 1 | Excavating in trenches, not exc 1.5 metre wide and not exc 1.5 metre in depth, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. laying cables, pipes, etc. not exc 10 Sqm on plan & not exc 1.5m in depth and getting out in soft/loose soil complete all as specified and as directed. |
| 2 | Returning, filling in, including spreading, leveling watering and well ramming in layers not exc 25 cm thick in soft/loose soil complete all as specified and as directed. |
| 3 | Removing excavated soil/material to a distance not exc 50 metre and depositing where directed at a level not exc 1.50 metre above the starting point complete all as specified and as directed. |
| 4 | Supply, laying, jointing and testing LT XLPE insulated screened,bedded, galvanised steel strip or wire armoured heavy duty electric cable with aluminium stranded conductor 1100 Volt grade cross sectional area 120 sqmm 3.5 core laid in trenches/ducts, through pipe, under floors or roads/ along poles etc complete all as specified & as directed.Notes :- (i) Sand cushioning, cable protection, GI protection pipe, clamps, jointing kits and excavation & earth work shall be measured & paid for separately.(ii) Road cutting/floor cutting /cutting holes etc in walls required for laying/fixing of cable etc shall be made good as per existing. Nothing extra shall be admissible on this account. Quoted rates shall be inclusive of the above provisions. |
| 5 | M&L for sand cushioning using unwashed dry river sand for underground cable 8 cm before laying cable and 15 cm after laying and punned to 18 cm after laying of under ground electric cable complete all as specified and as directed.Notes:- (i) Approved unwashed dry river sand free from vegetations, grass and other deleterious substances shall be used.(ii) For the purpose of payment, only punned thickness shall be measured. |
| 6 | M&L for sub class ‘B’ (old size) burnt clay bricks laid flat and dry abutting each other with gap between adjacent bricks not exc. 10mm for protection of underground electric cable in such a way that the length of brick is at right angle to the central axis of cable complete all as specified and as directed. |
| 7 | Drilling/Boring of holes under road, pavement, hard standing etc without disturbing the top surface suitable for passing the underground cable through pipe complete all as specified and as directed. |
| 8 | M&L for Galvanized iron tubing, 50mm bore light grade, ISImarked, including all fittings and laid in trenches/under road/drains, fixed to poles/walls with required size of flat iron (25mmx3mm) clamps, bolts, nuts and washers for protection of LT electric cable complete all as specified and directed.Note :- Excavation & earthwork shall be measured & paid for separately. |
| 9 | M&L for earthing complete with galvanised mild steel earth plate electrode 600x600x6 mm thick, buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr deep below normal ground level, connected to machinery/equipment etc and including GI strip 32x6mm as earthing lead by means of bolts, nuts, check nuts and washers, protected with and including 50mm dia light grade GI pipe, 20mm dia GI pipe (medium grade) for watering, necessary earth work, PCC 1:3:6 type C1 concrete pit, RCC (1:1.5:3) type A1 pre-cast cover (54x54x5cm) duly reinforced with and including 8mm dia TMT bar @ 150mm c/c both ways, one lifting handle made of 8mm dia TMT bar, embedded in pre-cast cover slab complete all as specified and shown in electrical plate No-3 of SSR Part-I including testing on completion complete all as specified and directed.Note : PCC chamber shall be constructed at least 1.5 mtr away from the earth electrode and pipe for watering shall be provided in slanting manner. |
| 10 | M&L for making plateform for DG Set using block masonry type (1:5:8) using 20mm graded aggregate with solid blocks & PCC (1:3:6) foundation concrete, 15mm thick cement plaster in cement and sand mortar 1:4 and applying 2 coats of cement base paint with allowable size for minimum hieght from GL 1 feet and surface area not be less than 5.0 mtr x 2.5 mtr complete to the entire satisfaction of Engineer-in-Charge. |
| 11 | Supply, install, testing and commissioning of Diesel Generating Set 250 KVA/200 KW, 3 Phase, 4 wire, 415 Volts, 1500 RPM,50 Hz348 Current (A), PSO 602 DG Controller, size 4050x1350x2000 mm (LxWxH), power supply with power factor 0.8 (lagging) specially designed to meet stringent MoEF/ CPCB norms of 75 dBA @1mtr at 75% load under free field conditions, CRCA sheets in Munsell green, 11 tank pretreatment process and UV resistant powder coating to ensure long life in all weather conditions, High quality noise absorbent and fire-retardant grade acoutic Insulation material (Rockwool) IS 8183, Top lifting for easy handling at site, External fuel & DEF filling provision, Compact and Lower Foot Print, AVM Pad mounting type, 60 Litre DEF Tank capacity, 395 Litre standard fuel tank capacity inside enclosure under the base frame, IS/IEC 60034-1, ISO 1460, ISO 8528, ISO 3046, ISO 9001 & ISO 13026 conformance standards, Hospital grade silencer inside canopy with rain cap suitably optimized to meet stringent noise limit, Remote Monitoring Systemcompact & robust device for real time DG status & monitoring, 4G compatible for 24 V DC, report & notification - Alerts & warning, Fuel Theft Alarm, Isolated RS 485 interface, Device location using triangulation.The design of integral acoustic enclosure should be any type approved by national Physical laboratory as per Central Pollution Control Board (CPCB-IV+) latest norms complete with AMF Panel, Fuel Tank, Batteries & Leads, Silencer - Residentia, AVM Pads, First Fill of Lube Oil and Acoustic Enclosure.PCC foundation as per OEM to be paid under serial item No 10.00 here-in-before complete all as specified and as directed with the following specifications :-(Description of serial item No. 11.00 contd…) |
| 12 | (Description of serial item No. 11.00 contd…)(A) ENGINE - 6 number of Inline Cylinders, Turbo charged and Intercooled Radiator cooled engine 306.9 HP, Liquid Cooled (EG Compleat 50:50) cooling suitable for continuous operation generating 250 KVAat 1500 RPM, 415 Volts, 0.8 power factor (lagging) suitable for 50 Hz and compling with performance class of Generator set ISO 8528-5 G2 standard :- (i) Robust and efficient air handling system with Dry type and releaceable paper element air cleaner with restriction indicator and optimized turbocharger for increased altitude capabilities. (ii) 24 Volt electrical starting system consisting of starter motor, charging alternator and 12V, 95AH, 02 Nos cummins pulse value plus battery.(iii) Common rail electronic injection system (CREI) fuel system..(iv) Electronic type Governor.(iv) Cooling system is designed and tested for 50°C ambient conditions. (v)CK4 type lube oil.(vi) Exhaust pipe size of 5 inch.(vii)Electrical starter motor with soft start engagement feature.(viii)Battery charging alternator (Description of serial item No. 11.00 contd…) |
| 13 | (Description of serial item No. 11.00 contd…)(B) ALTERNATOR : S3L1D-K4 type alternator frame suitable for continuous operation generating 250 KVAat 1500 RPM, 415 Volts, 0.8 power factor (lagging) suitable for 50 Hz, 3 phase, 4 wire system Brushless type, Screen protected, Revolving field, Self excited alternator.The alternator has the following features :(i) ± 0.5% voltageregulation (max) (ii) IP : 23 protection with insulated class H. (iii) 40 Deg C Design Ambient Temperature.(C)Controller functions provide :-(i) AMF Functionality is inbuilt(ii) Remote start-stop(iii) Modbus interface (RS485 RTU)(iv) Manual Run/ Off / Auto switch(v) Emergency stop(vi) Configurable glow plug control(vii) Theft proof fuel & DEF filling arrangement(viii) Data Logging : Engine hours, Control hours and upto 5 recent fault codes.(ix)Suitable for sync through External Sync controller(Description of serial item No. 11.00 contd…) |
| 14 | (Description of serial item No. 11.00 contd…)(D)Engine Protection/ Warning Functions includes :- (i) Low Lube oil pressure warning/ shutdown. (ii)High coolant temp warning/ shutdown. (iii) Low coolant temperature warning. sensor failure indication (iv) Low and High battery voltage warning (v)Weak battery warning (vi) Fail to crank shutdown.(vii) Low fuel level(viii) Cranking lockout : Control will not allow the starter to engage or to crank the running engine (ix)4-20mA analog input compatible for oil pressure sensor and fuel level.(x)Maintenance due alarm based on Engine Run Time and due date.(xi) Exercisers scheduler.(xii) Overspeed shutdown.(E)Alternator functions includes :-(i) Loss of AC High and Low AC voltage shutdown.(ii)Over current.(iii)High Voltage.(iv)Sleep mode.(v)Low voltage.(vi)Under / Over frequency.(Description of serial item No. 11.00 contd…) |
| 15 | (Description of serial item No. 11.00 contd…)(F) TECHNICAL SPECIFICATIONS OF ACOUSTIC ENCLOSURE FOR CBCP IV(i) Factory Fitted integrated-ACOUSTIC ENCLOSURE Silent DG Set Enclosure with Base frame with integral fuel tank is provided with drain plug, air vent, inlet and outlet connection, level indicator and provision for cleaning.(ii) The enclosure is fabricated out of CRCA sheet of 16 SWG.(iii) Top lifting for easy handling at customer site and Silencer Inside enclosure(iv) Theft proof Fuel & Def filing arrangement(v)Fuel filling arrangement Outside the enclosure(vi) CRAC sheet shall be 11 tank pretreatment process and UV resistant powder coating of all parts to withstand extreme environment.(vii) Enclosure is powder coated (inside as well outside) with a special pure polyester based powder. All internal Nuts and bolt are made of MS and all external Nuts and Bolts are made from stainless steel.(viii) The doors are gasketed with high quality EPDM gaskets to avoid leakage of sound.(ix) The door handles are lockable type.(x) Sound proofing of enclosure is done with high quality PU foam confirming to IS 8183 of 40mm thickness and destiny at 28 Kg /CuM.(xi) The rock wool is further covered with fibre glass cloth and perforated powder coated MS sheet.(xii) Specially designed attenuators are provided to control sound at air entry to the container and exit from the container.(xiii) Adequate ventilation is provided to meet air requirement for combustion and heat removal.(xiv) Viewing window is fitted with toughened glass instead of acrylic sheet.(xv) As per CPCB norms with acoustic enclosure the noise level shall be 75 dBA at one meter in absence background noise AT 75% load upto 1000 KVA. |
