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| 1 | Supply, installation, testing and commissioning of digital grounding device 120 KA, 1 phase 3 wire, portable type built in low impedance equipment grounding and bonding system. Provides 100% protection against lightning surges, static charge, noises, ESD, EPR and eliminates abnormal electrical disturbances which enter from power and other service lines and ensuring clea bonding potential (earth to neutral voltage) less than 1.0 V having a digital 6 digit lightening surge counter, self-health visual status indicator with facilty to monitor online input voltages and earth to neutral voltages pre- wired pulverulent body painted metal enclosure to be connected in parallel to the power supply circuit, tested and certified from CPRI, MIL STD810G, IEC61000-6-1, IEC 61000-6-3, IEC 61643-11-2011 and confirming to ISO 9000 & ISO 14001-2015 & CE, with min warranty of 2 years and AMC post warranty for 5 years (Make in India) complete all as specified and as directed.Make:- Digital Equipment Protection Co., Model : DSS-MII 1P3 120 or approved other make in any Commands/ADGs. |
| 2 | TECHNICAL SPECIFICATIONS: DIGITAL GROUND DEVICE 1 PHASE (MIL GRADE ECA3G) is as under:-(a) Rated input voltage- 180 VAC-275 VAC 1 Phase 2 Wire.(b) Frequency-50-60 Hz(c) Maximum continuous operating voltage (UC) - 275 VOLTS (L-N), (N-G) 255 Volts.(d) Max surge handling capacity 120 KA (8/20 Micro second).(e) Mode of protection - 3 MODE (1phase, 2wire) L-N, L-E, N-E(f) Max discharge current - 40 KA Each mode (L-N, L-G, & N-G)(g) Nominal discharge current - 10 KA Each mode (L-N, L-G, & N-G)(h) Short circuit withstand current - 10 KA(i) Residual current - 0.001 Amps(j) Residual voltage - 1.59 KV(L-N) & 1.06 (N-G) WITH 8/20 Micro sec.(k) Spark over voltage - 1.15 KV.(l) Standby power consumption- 1.3 VA.(m) Standards/testing compliance - IEC-61643-1-2006, IEC-6100-4-5(2005.11), IEC-61000-6-1, IEC-610006-3, MIL-STD-810G.(n) Testing/approvals- SIRIM, KERI, CE as per IEC, MIL-STD-810G |
| 3 | (o) Emc compliance- As Per 89/336/EEC Directive amended by 92/31/EEC.(p) System diagnostic port - RJ45(q) Surge counter - 6 Digit, 7 Segment LCD counter(r) Status indication- LED Indications.(s) Operating temperature - 40 TO 80 degree C.(t) Weight- approx 1.8 KG.(u) Dimensions (wxhxd/mm)- 130x205x96.(v) Enclosure- Metal Enclosure (Pre-wired).(w) Paint - Pulverulent body painting(x) Desired ER value of the earthing must be less than 1 Ohm(y) Installation, commissioning & testing - Digital grounding device must have connected with 10 sq mm earthing wire with copper eyelet casing and caping of ISO standard company need to be used. 6 sqmm four core three phase fire retardant and low smoke wire will be used for input supply of digital grounding device. site survey for installation of equipment must be done by the seller and warranty for 2 years.Note : (a) The above rates are inclusive of disconnecting old earthing connected to the equipments.(b) The above rates are also inclusive of acessories such as nut bolts, wires, etc. for necessary connection of the digital earthing equipment. |
| 4 | Excavating in trenches not exc. 1.50m wide and n. exc. 1.5m in depth and getting out in soft / loose soil complete all as specified and as directed. |
| 5 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 250mm in soft / loose soil complete all as specified and as directed. |
| 6 | Removing excavated materials not exc. 50m and depositing where directed at a level not exc. 1.50m above the starting point of soft/loose soil complete all as specified and as directed. |
| 7 | M&L for sand cushioning (dry) in trenches for protection of UG cable (below, above and around the UG cable laid in trenches) of 230mm spread thickness and consilidated (punned) upto 180mm thickness complete all as specified and as directed. Note : For the purpose of payment, punned thickness of sand cushioning only shall be measured and paid for. |
| 8 | M&L for sub-class 'B' bricks, well burnt, laid breadth-wise along the length of cable laid in trenches over sand cushion laid for UG cable protection complete all as specified and as directed. |
| 9 | Supply, laying and testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 95 sq.mm, 3.5 core complete all as specified and as directed.Note : Rate of the saddle, clamp, lugs of different size as required and cable gland packing for fixing of cable on wall/ panel is to be deemed included in quoting rate. |
| 10 | All as per Serial Item No.7 here-in-before but of size 120 sq.mm 3.5 core. |
| 11 | Labour only for horizontal boring for passing protection pipe up to 80mm bore, under road/foot path, not exceeding 10m in a single length complete all as specified and as directed. Note : Pipe shall be measured and paid separately. |
| 12 | S&F 50mm dia high density polyethylene pipes (HDPE) of pressure rating 6 kgf/cm2 laid in trenches complete all as specified and as directed. |
| 13 | M&L for PCC (1:2:4) type B-1 (using 20mm stone aggregate) as in coping and footing for poles including necessary formwork complete all as specified and as directed. |
| 14 | S&F change over switch (SS Enclosure) complete with of capacity 200 amps, 415 volt, 4 pole, 50 Hz complete all as specified and as directed. |
| 15 | Supply, installation, testing and commissioning of LT Feeder Pillar Box, AC 415 V, 50 Hz, 3 phase, 4 wire, of overall size 1500mm (W) x 1000mm (H) x 500mm (D), suitable for accommodating the following accessories, totally enclosed self supporting structure/cubicle, fully compartmentalized type, weather proof, protection IP-52, suitable for outdoor use, with bottom cable entry with suitable cable glands; accessories prewired with suitable size FRLSH PVC insulated multistranded copper conductor, structure made out of 3.15mm thick CRCA steel sheets with angle iron frame work and legs of ISA-40 x 40 x 5mm, with four legs (height 450mm minimum above platform level) grouted to PCC (1:2:4) type B-1 (using 20mm stone aggregate) foundation block; with suitable mounting arrangement for bus bars and accessories, with sloping canopy at top, double hinged doors at front with suitable locking arrangement and bolted rear opening shutters, with suitable locking arrangement, provision of louvers at sides, structure treated under 8-tank metal treatment process and duly powder coated complete all as specified and as directed comprising with the followings:-. |
| 16 | BUS BAR:-(i) Electrolytic aluminium bus bar, 500 Amps, supported on non hygroscopic fibres and brass screws for mounting.-04 (Four) Nos.INDICATING DEVICES:-(i) Digital AC Voltmeter with 3½ digit display and with built in selector switch, Type 3 PH, Range 30-600 Volts direct, size 96 mm X 96 mm, Accuracy Class 1.0 - 01(One) Set.(ii) Digital AC Ammeter with 3½ digit display and with built in selector switch, Type 3 PH, Range 5 Amp Direct and with CT 200/5 A, size 96 mm X 96 mm, Accuracy Class 1.0 -01 (One) Set.(iii) LED Indicator 16mm with power consumption < 0.6W, LVGP & surge protection, 64/110 Volts AC/DC / 240 Volts AC (RYB) - 01 Set (Set of Three)INCOMING:-(i) Moulded case circuit breakers (MCCBs), conforming to IEC 60947-28 IEC 60947-2, AC 415V, 4 pole, with current rating 320 Amps and 35/36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8-1.0 x In and adjustable Short Circuit setting: 6-10 x In. - 01 No |
| 17 | OUTGOING:-(i) Moulded Case Circuit Breakers (MCCBs), conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 250 Amps and 35/36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8-1.0 x In. -01 No. (ii) Moulded Case Circuit Breakers (MCCBs), conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 160 Amps and 35/36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8-1.0 x In. -01 No (iii) Moulded Case Circuit Breakers (MCCBs), conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 63 Amps and 16 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In. - 01 No. (iv) Time Switch for lighting control based on sunrise/sunset timings by lattitude / longitude settings, 110 - 240 VAC,3 Phase -4W,3 Channel 3 N/O, Base/Din mounted. - 01 No.(v) 3 pole power contactors conforming to IS / IEC 60947-4-1 & IEC 60947-4-1, Type MNX, AC-3 rating 40 Amps and AC-1 rating 55 Amps. -01 No. (vi) 63 Amps,4 pole, open bakelite terminal block connector - 02 Nos.(vii) Changeover Switch (Local-Remote, Auto-Manual Switch), without OFF (90°) with complete rotation, 4P 2W, 40 A.- 01 No. (viii) Push Button Actuators, projecting head (Push Function) 240 Volt, AC - 02 Nos. Please Enable Macros to View BoQ information |
| 18 | OUTGOING:-(i) Moulded Case Circuit Breakers (MCCBs), conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 250 Amps and 35/36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8-1.0 x In. -01 No. (ii) Moulded Case Circuit Breakers (MCCBs), conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 160 Amps and 35/36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8-1.0 x In. -01 No (iii) Moulded Case Circuit Breakers (MCCBs), conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 63 Amps and 16 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In. - 01 No. (iv) Time Switch for lighting control based on sunrise/sunset timings by lattitude / longitude settings, 110 - 240 VAC,3 Phase -4W,3 Channel 3 N/O, Base/Din mounted. - 01 No.(v) 3 pole power contactors conforming to IS / IEC 60947-4-1 & IEC 60947-4-1, Type MNX, AC-3 rating 40 Amps and AC-1 rating 55 Amps. -01 No. (vi) 63 Amps,4 pole, open bakelite terminal block connector - 02 Nos.(vii) Changeover Switch (Local-Remote, Auto-Manual Switch), without OFF (90°) with complete rotation, 4P 2W, 40 A.- 01 No. (viii) Push Button Actuators, projecting head (Push Function) 240 Volt, AC - 02 Nos. Please Enable Macros to View BoQ information |
