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| 1 | Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for foundations, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft / loose soil complete all as specified and as directed. |
| 2 | M&L for plain cement concrete 1:4:8 type D2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and directed. |
| 3 | M & L for RCC 1:1.5:3 Type A1( 20 mm graded stone aggregate) in Foundations, including rafts, footings, plinth beam etc and mass concrete complete all as specified and as directed by Engineer-in-Charge |
| 4 | M & L for RCC 1:1.5:3 Type A1( 20 mm graded stone aggregate) Columns, pillars, piers, posts and struts complete all as specified and directed. |
| 5 | M & L for Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams and similar works , vertical or to batter complete all as specified and as directed |
| 6 | M & L for Formwork to sides of pillars, posts, struts, piers, columns and stanchions complete all as specified and as directed |
| 7 | Supply and fix steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS-1161-1979 grade St-240 complete all as specified and as directed. |
| 8 | S & F Mild Steel Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment Fe 410 -W (Gde- E- 250) quality- A complete all as specified and as directed. |
| 9 | S&F Mild steel bolts of exc 12mm n.exc 20 mm dia neck (purpose made). with hexagonal or square head one end and screwed the other, or screwed both ends; each screwed end to be fitted with washers and one hexagonal or square nut. Exc 30cm long complete all as specified and as directed |
| 10 | Supply and fix of pre-painting galvalume sheets having pitch 190mm, depth 29mm and not less than 0.50mm thickness having tensile strength of 550 Mpa (Galvalume base-PPGL trapezoidal profile sheets) fixed with aluminium self tapping screws of size 50/75mm and aluminium washer of suitable size in roof covering complete all as specified and as directed. |
| 11 | Supply and fix of Plain pre-painting galvalume sheets with not less than 0.50mm thickness having tensile strength of 550 Mpa (Galvalume base-PPGL trapezoidal profile sheets) fixed with aluminium self tapping screws of size 50/75mm and aluminium washer of suitable size in roof covering complete all as specified and as directed. |
| 12 | M&L for two coat of synthetic enamal paint over a coat of red oxide primer on steel surface of any description,over 10cm widht or girth incl preparation of new surfaces all specified and directed. |
| 13 | M&L TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed. |
| 14 | M&L for Mild steel TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders complete all as specified and as directed. |
| 15 | M&L for rendering 15mm thick in cement mortar 1:4 on fair faces of brickwork or concrete surfaces, finished the surface even and smooth without using extra cement complete all as specified and directed. |
| 16 | M & L for preparation of new surface of walls and applying two coats of cement based paint over a coat of alkali resistant primer complete all as specified and as directed by the Engineer-in-Charge. |
| 17 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed. |
| 18 | Removing excavated soil exc. 250 m but n exc. 500 m and depositing where directed where directed at a level n exc. 1.5 m above the starting point completed all as specified |
| 19 | Supply, laying and testing cable XLPE insulated, earthed, screened PVC bedded galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductor, 11000 volts, grade cross sectional area 185 Sq mm, 3 Core all as specified and directed. |
| 20 | Supply, laying and testing cable XLPE insulated, screened, PVC type ST2 Sheathed bedded, galvanized steel strip or wire unarmoured, electric power cables (heavy duty) with 1100 volts grade with stranded Copper conductor following sizes:- |
| 21 | 400 Sqmm, 1 Core |
| 22 | 185 Sqmm 1Core |
| 23 | M&L for cable end jointing kit for 11 KV grade cable heat shinkable outdoor type joint complete with jointing materials and accessories suitable for 3 core 120 sqmm to 185 sqmm size cable complete all as directed by Engineer-In-Charge. |
| 24 | Supply & install , testing and commissioning of 1000KVA capacity transformer as per IS : 1180 part - I, EEL-2 or relevant IS which in force as on date, step down type , copper Cu 99.9% purity, electrolytic grade wound 11KV/433 Volts (at no load) AC 3 phase 50 Hz 100 KVA capacity, core type, oil immersed naturally air cooled, oil natural air natural (ON/AN) , with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYn-11 with neutral brought out on secondary side (LV) and having taping at +5% to -10% in steps of 2.5% on HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 50 degree Celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree Celsius. The transformer shall be of BOLTLESS core design. |
| 25 | Transformer shall be double wound, core type with low loss, non ageing, high permeability CRGO prime core grade M-OH / ZDKH /TCH grade , perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC 60076 and as per IS-1180 part - I of 2014 marked. Flux Density at rated voltage and rated frequency should be 1.688 T the transformer shall be designed as per CBIP manual 317 for over-fluxing withstand capacity of 110% continuous, 125% for 1 minute and 140% for 5 seconds. and over loading capacity of transformer shall be as per IS 6600 , Noise level as per NEMA TR1, with class A insulation, Tank pressure, Vacuum withstand capability & minimum clearances as per CBIP manual, No Load Current within 1% to 2% of Full load current Transformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with Energy Efficiency Level - 2 or relevant IS which in force as on date for a capacity 1000KVA and shall comprise of the following accessories :- |
| 26 | One cable box on HT side (Primary side) consisting of three Nos porcelain bushing with copper rods, complete with nuts and washer, with cable glands suitable for reception/taking out 3 core 120 /185 , HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty , armoured cables including jointing materials complete. |
| 27 | One cable box on LT side(secondary side) consisting of four Nos porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception/taking out single core / 3.5 core of rated size / runs of secondary currents, LT 1100 volts grade, PVC/XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete. with Bi metallic flexible connectors and copper bus bars of rated capacity with insulators support to be provided |
| 28 | Conservator with filter type drain valve and oil level gauge. |
| 29 | De-hydrating breather with first fill of dehydrating agent (Silica Gel). |
| 30 | Explosive vent, Thermometer pocket on tank cover, oil level gauge, Oil drain filter valve, Jacking / Lifting lugs, Marshalling 55, with oil filling hole with cap/plug with connection plate complete, Air release valve plug and four no. plain solid cast steel detachable rollers. |
| 31 | One no 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree Celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. |
| 32 | Two earthing terminals on tank cover to facilitate fixing of 50x6mm galvanised iron earth strip for earthing of body. |
| 33 | Rating plate and terminal marking plate. |
| 34 | Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. |
| 35 | First fill of new and unused transformer oil, IS-335 of 1986 marked, filtered and tested up to 50 KV dielectric strength at 2.5 mm air gap between testing electrodes, specific resistance at 27 Degree Celsius Ohm-ohm 500 x 10 the power12, water content 50 PPM, Dielectric dissipation factor (tan Delta at 90 degree Celsius) 0.005, Neutralisation value mg of KOH/gm of oil 0.03, Inter facial tension N/M at 27 Degree Celsius - 0.04, flash point 140 Degree Celsius and sludge 0.1 % by weight. |
| 36 | Detachable Rollers of adequate load capacity and no. of channels, embedded in floor, for movement of transformer. |
| 37 | Top and Bottom Filter cum drain Valves with Dummy |
| 38 | 6\\" Oil temperature indicator and winding temperature indicator with alarm and Trip contacts |
| 39 | Radiators shall be of Detachable type with proper butter fly valves |
| 40 | Double Float Buchholz Relay with alarm and trip Contacts |
| 41 | NOTE: |
| 42 | The OEM of the tranformers should have in house LAB Certifacate for Accreditation from National Accreditation Board for Testing and Calibration laboratories |
| 43 | Manufacturer /OEM must have type test / short circuit reports for each & every rating from CPRI / ERDA ( matching all he major parameters including the Loss Figure) shall not be older than 5 years |
| 44 | CPRI Short circuit test report for exactly similar transformer (matching all major electrical parameters including Loss Figure) shall not be older than 5 years to be furnished) |
| 45 | OEM should be BIS and BEE certified for all the ratings of the transformer that are to be submitted. |
| 46 | Rate quoted includes the cost of making and Testing of control wiring connection at the Transformer and RMU/VCB for the Temperature alarm/Trip, Gas alarm/Trip. The Control cables will be measured and paid separately under relevant items of tender. |
