PROVISION OF GENERATOR AT GROUND FLOOR AND EMERGENCY POWER SUPPLY FOR A-14 BUILDING INS VAJRBAHU, ND(MBI), PROVISION OF DEFICIENT STANBY POWER SUPPLY FOR IVMS SERVER AT BV YARD, PROVISION OFHVSL VENTIALTIONS IN DOCK WORKSHOP UNDER GE(NW) KUNJALI

Amount

Supply, installation, testing & commissioning of 20 KVA Online UPS, 3-phase input and 3-phase output, IGBT based, double-conversion type with in-built isolation transformer and in-built bypass arrangement, complete including standard accessories as specified and directed by Engr-in-Charge. Note: Minimum UPS warranty – 24 months.

Supply, installation, testing & commissioning of 200 AH, 12 V SMF/VRLA batteries suitable for providing minimum 5 hours backup at 16 KW load including interconnecting leads and all accessories complete as specified and directed by Engr-in-Charge. Note: Battery warranty minimum 24 months.

M&L for MS battery stand with epoxy powder coating including supply of interlink copper wires, battery fuse, terminal leads etc complete as specified and directed.

M&L for concealed sub-main wiring comprising 2 runs of 6 Sqmm FRLS copper conductor cable, 1100V grade, multistranded PVC insulated & unsheathed, drawn through heavy-duty PVC conduit not less than 25mm internal dia, including one run of 6 Sqmm FRLS PVC insulated copper conductor as earth continuity conductor, including accessories (tees, elbows, junction boxes, reducers etc), taking down old wiring and making good disturbed surfaces complete all as specified and directed. Note: Colour coding – Phase: Red, Neutral: Black, Earth: Green

M&L for sub-main wiring comprising 4 runs of 10 Sqmm FRLS copper conductor cable, 1100V grade, multistranded PVC insulated & unsheathed, drawn through heavy-duty PVC conduit not less than 25mm ID, including one run of 10 Sqmm FRLS PVC insulated copper earth continuity conductor, all accessories, taking down old wiring and making good disturbed surfaces complete as specified and directed. Note: Colour coding – Phase: Red, Neutral: Black, Earth: Green

M&L for repair to sub-main wiring comprising 2 runs of 4 Sqmm + 1 run of 4 Sqmm FRLS PVC insulated multistranded copper conductor cable drawn through non-metallic PVC casing & capping (ISI marked) not less than 25mm width including accessories (elbows, tees etc) and connection complete all as specified and directed.

Supply & fixing Distribution Board, double-door, pre-wired type, made of CRCA MS sheet with epoxy powder coating, IP-54 / IK-09 protection, surface-mounted, VTPN 6-way, 440 V with bus rating 200 A, complete suitable for incorporation of MCBs, complete all as specified and directed.

S&F steel sheet enclosure double-door DB, SPN 12-way, factory-made, IP-54 / IK-09 protection, 240V, suitable for MCBs with 200A copper bus bar including accessories complete as specified and directed.

Supply & fixing MCB SP 6–32 A, 10 kA rupturing capacity, complete all as specified and directed.

Supply & fixing MCCB, 4-pole, 160 A, 36 kA, thermal-magnetic, 415 V, complete all as specified and directed.

Supply & fixing MCCB, 4-pole, 160 A, 36 kA, thermal-magnetic, 415 V, complete all as specified and directed.

Supply, installation, testing & commissioning of indoor, cubical type LT Panel Board for 415V, 4-wire system, IP-54, vermin & dust proof, fabricated from 2mm CRCA sheet, powder coated, with front openable doors, copper bus bar 600A capacity, internal wiring, cable termination, CTs, channel supports, glands & gasket door etc, suitable to accommodate following switchgear & metering: INCOMING: a) MCCB 200 A, 4P, 36 kA – 2 Nos (1 Normal + 1 DG) b) Manual Changeover 160 A, 4P OUTGOING: a) MCCB 160 A, 4P, 25 kA – 3 Nos (2 load + 1 standby) b) MCB 32 A, 4P, 10 kA – 2 Nos c) MCB 40 A, 4P – 2 Nos d) Digital voltmeter 0–800 V – 1 No e) Digital ammeter with CTs – 1 No

Supply & installation of 1 TR Hi-wall split AC indoor/outdoor unit with cordless remote control, built-in ionizer & plasma filter, 5-star rating (as per latest lable period), EER ≥ 3.2, complete including brackets for outdoor unit, refrigerant piping, necessary connections etc as specified and directed.

Supply, laying, commissioning & testing XLPE insulated armoured heavy-duty copper conductor cable, 1100 V grade, 16 Sqmm × 4-core including laying in ducts, pipes or fixing along walls using saddles/clamps, terminations using thimbles/lugs complete all as specified and directed.

M&L for 4mm GI wire as earth continuity conductor/main earthing lead, fixed to walls or buried underground and taken to panel/transformer, protected using 20mm dia GI pipe (light grade) complete all as specified and directed.

Supply, installation, testing and commissioning of 250 kVA (200 kW), 415 V, 3-phase, 4-wire, 50 Hz diesel-engine driven silent generator set with factory-built acoustic enclosure conforming to latest CPCB IV norms and ARAI approval, including common base frame with vibration dampers, interconnection cabling, accessories and all works complete as specified and directed. The DG set shall comply with ISO 8528 and relevant IS/BS standards and be suitable for use with a microprocessor-based AMF system. ENGINE The engine shall comply with IS: BS 5514 / ISO 3046 standards, radiator-cooled, turbo charged, with electronic governing and Class-H insulation; starting system shall be 24 V DC. A suitable fuel system with pump, filters and day tank shall be provided. ALTERNATOR Alternator shall be brushless, self-excited, single-bearing, AVR-controlled, Class-H insulated, protection IP-23, power factor 0.8 lag, rated 415 V, 50 Hz, and conforming to IS: 4722 / BS 5000 / ISO 8528. ACOUSTIC CANOPY A factory-built acoustic enclosure shall ensure noise level ≤ 75 dB(A) at 1 m distance under free-field conditions as per ISO 8528. Construction shall be powder-coated CRCA steel with adequate ventilation, weather protection and fire-retardant internal lining. FOUNDATION & MOUNTING The DG set shall be mounted on a common steel base frame with anti-vibration mountings and installed on a PCC foundation in ratio 1:2:4, Type B-1 (using 20 mm graded aggregate) including 1 m plinth protection and all associated earthwork. Grouting and structural steel supports shall be included.

e) AMF Panel A standard microprocessor-based AMF control panel, indoor/outdoor type, fabricated from 3.15 mm (approx 10–16 SWG) CRCA sheet, powder-coated, IP-54 protected, free-standing, dust and vermin proof, compartmentalised panel shall be provided. The AMF panel shall enable: (i)Automatic engine start on mains failure (ii)Load transfer to DG through contactors/ACBs (iii)Return to mains supply after restoration including time delay (iv)Three auto-start attempts on fail-to-start (v)Manual/Auto/Off operations Major AMF Panel Components (i)1000 A ACB (DG Incoming) – 1 No (ii)1000 A ACB (Mains Incoming) – 1 No (iii)LED type indicating lamps (RYB), spring-return push buttons (iv)Digital multifunction meter (V/I/kW/kVA/kWh/PF/Hz) with CTs (v)230 V AC / 12 V DC battery charger, 8 A capacity Elmex terminal block set MCBs: 6 A SP / 10 A DP Auxiliary relays (230 V AC / 12 V DC, 2 C/O) All internal wiring with suitable size multi-stranded copper conductors On-load changeover switch / bypass arrangement as required MAJOR AMF PANEL COMPONENTS The AMF panel shall include 1000 A ACB for DG and 1000 A ACB for mains, indicating LED lamps (240 V AC), spring-return push buttons, 230 V AC / 12 V DC, 8 A battery charger, Elmex terminal block set, control MCBs (6 A SP/10 A DP), 2 C/O auxiliary relays (230 V AC & 12 V DC). All internal wiring with suitable copper conductor cable is included. ACCESSORIES & WORKS Two ISI-marked chequered rubber mats (1 m × 2 m × 19 mm) shall be supplied. Contractor shall provide a weatherproof shed of MS/GI structural frame covered with 0.50 mm aluminium sheet, painted complete. All suitable earthing work shall be included. Tools as per OEM, interconnection cables, and battery for starting shall also be included.

SITE TESTING (a) The site testing shall be carried out in presence of Accepting Officer or his authorized representative all as per IS-10000-1980. The Generating Set shall run for a period of 12 hours continuously out of which 2 hours on rated half load, 3 hours on 75% of rated full load, 6 ½ hours on rated full load and ½ an hour on 10% in excess of rated full load. Necessary heater load required for testing shall be arranged by the contractor and the cost for the same is deemed to be included in the rate quoted for Generator in Schedule 'A'.Quoted rate shall include cost of Diesel required for testing. (b) If the acceptance tests as described do not show satisfactory results, the contractor shall at his own cost rectify / replace defective components or any part thereof as directed within 15 days. The installation shall be retested after rectification of detects. The installation shall finally be taken over after Accepting Officer or his authorized representative certifies the testing.

Supply and fix Automatic Mains Failure (AMF) control panel complete with automatic operation during mains supply failure, incorporating 1000 A ACB for DG incomer and 1000 A ACB for mains incomer, with all internal wiring, control accessories, voltmeter and ammeter for all phases, duly tested and commissioned, complete all as specified and directed. Note: Two numbers of earthing for AMF panel are deemed to be included in the quoted rate.

Supply, laying and testing of XLPE insulated, screened, PVC bedded, galvanised steel strip/wire armoured, heavy-duty electric power cable of 1100 V grade, stranded copper conductor of size 185 sqmm, 3.5-core, laid in trenches/ducts or fixed along wall/panel etc., including jointing/terminations with lugs/thimbles, complete all as specified and directed. Note: Cost of saddling is deemed included in quoted rates.

Excavation in trenches n exc1.5m wide and n exc in depth for laying of cables and getting out in hard/dense soil complete all as directed.

Returing filling in including spreading, levelling watering and well ramming in layers not exc 25cm complete all as directed.

Removing excavated material n exc 50cm and deposting where directed at a level n exc 1.5m above the starting point complete all as directed.

Material and labour for sand filling in trenches fine dry sand as sand cushioning to cable 8 cm before laying of cables and 15 cm after laying cable which shall be punned down to 10 cm complete all as specified and directed. (Note : Only punned down thickness shall be measured and paid)

M&L for un-reinforced,precast concret cable cover of size 250x150x40mm class LV type-I for cable protection all as specified and directed

Supply and fix GI tubing, light grade, 80 mm dia, with all fittings, laid in trenches/fixed on wall/ceiling for mechanical protection of cables, complete all as specified and directed.

Cutting of road/hard standing for laying of cables and reinstatement/making good the disturbed surface to match existing finish, complete all as directed by Engineer-in-Charge.

Supply & fixing of JEF ECO SAFE Maintenance-Free Earthing System comprising of high tensile low-carbon steel rod of 3 m length & 32 mm dia with 250-micron minimum molecularly bonded copper coating confirming to UL-467, along with carbon-based conductive concrete type backfill compound having resistivity less than 0.12 Ω-m as per IEEE-80, Clause 14.5(D). Back-fill compound shall be electrically conductive like metals, not moisture-dependent, and supplied in 50-lb bag (1 bag per earthing set). Back-fill compound shall be environmentally safe, shall solidify when mixed with water, and not leach/diffuse into soil. One suitable earth-termination clamp, weather-proof high-density polyethylene earth pit chamber, and all necessary accessories shall be supplied. Note: Back-fill compound shall not be mixed with soil during application.

Supply and fixing of 16-feet High Volume Low Speed (HVLS) industrial fan, Triple-CE-certified and complying with all applicable safety requirements. The fan shall meet the following conformity standards: • LVD: IEC/EN 60335-2-80 & AS/NZS 60335-2-80 • MD: EN ISO 12100:2010 • EMC: IEC 61000-6-2 & IEC 61000-6-4 (Industrial environment) The fan shall be Make in India complied. 2. BLADES The fan shall be provided with a minimum of five extruded aluminium blades (powder-coated or thermoplastic polymer) in Black, Silver, or Light Grey finish. The blades shall be aerofoil-profiled, minimum width 225 mm from nose to trailing tip, manufactured from 6063-T6 aluminium, self-supporting without internal steel reinforcement. Blade angle shall be adjustable up to 23.7° to the horizontal plane, preventing span-wise pumping and tip stalling, reducing vibration and noise. Each blade shall have a vortex-recovery winglet (ABS/PVC) at the blade end. 3. COVERAGE & PERFORMANCE Fan coverage efficiency shall be ≥ 25 ft²/W or provide minimum 11,500 sq.ft. coverage using a 1.1 kW motor.

4. HUB & BLADE CONNECTION Each blade shall be affixed to a powder-coated steel hub using minimum four zinc-coated bolts, lock-nuts and lock washers. A stress-relieved steel topper matched to each blade shall be provided, incorporating a single safety tab designed to retain the blade in the event of primary connection failure. Blade-topper-locator assembly shall be constructed in sandwich form and comply with CE safety requirements. The hub shall be CNC-cut, drilled and powder-coated to ensure firm connection with the motor/gear reducer. 5.MOTOR & DRIVE TRAIN The fan shall use an EU-imported 1100 W, IE2-efficiency, 230/400 VAC split-voltage motor, Totally-Enclosed Fan-Cooled (TEFC) with IP55 enclosure rating. The winding shall be Class-H with inverter/vector duty insulation conforming to NEMA MG1-2006 (IEC equivalent), Section 31.4.4.2 for voltage-spike protection. Moisture-resistant varnish-treated windings shall use improved inorganic insulation suitable for tropical operation. The gear reducer shall be EU-imported, high-torque, oil-free, gel-lubricated, triple-reduction inline helical type, precision finished for long life, high reliability and low noise. The gear drive system shall be German-engineered, with corrosion-proof die-cast aluminium housing and high-grade, low-noise gear drive.

6. MOTOR FRAME & SUPPORT A welded steel motor frame using steel tubing and 36-gauge powder-coated steel plate shall house the motor and gear reducer. The fan shall be supported by a two-axis self-levelling suspension system designed to minimise vibration and allow safe motion under operating loads. Minimum 5 mm stainless steel safety cables shall secure the beam, mounting system, and motor/gearbox. To provide additional stabilisation, the system shall include four (4) stainless steel guy wires (3 mm dia) to prevent swaying or excessive movement during operation. 7. CONTROL SYSTEM The fan shall be supplied with a factory-programmed CE & UL-listed Variable Frequency Drive (VFD) housed in an IP54 enclosure to provide soft-start, speed control and safety protection. The controller shall support forward/reverse operation, keypad/optional remote operation and include: • Dual-limb DC choke meeting EN 61000-3-12 • Minimum 1-line alphanumeric keypad with password protection • Built-in PID control, efficiency ≥ 98% • EMC filter, MODBUS support, Metasys N2 compatibility • Fire override mode, sleep mode • Faults & alarms: IGBT over-temperature, input phase loss, voltage imbalance, output short-circuit, over-current, over-voltage, under-voltage

All as per item No 32 here in before but for 12 Feet HVLS industrial fan complete all as specified.

Chakshu Enterprise (BID ID -3509330)

AGRAWAL ASSOCIATES (BID ID -3509594)