Construction of New HF Transmitter Building at Mugalivakkam. SH Electrical Works

Amount

SH-I: SUPPLY ITEMS

Supply of 36W 2 feet X 2 feet surface mounted LED luminaire IP 20 240V with pressure diecast aluminium alloy housing, PDC aluminium centre cover, UV stablized injection moulded clustered PC diffuser cover, Corrosion resistance powder coated using nano technology, High efficiency inbuilt isolated driver with necessary safety protections & inbuilt surge protection of 6KV, life of 50,000 burning hrs as per L70 standard, system efficacy >120 LPW, CRI>80, 5700K CCT and THD<5% complete with 5 years warranty as required (Make:Lighting Technologies, Model: SPARKLE ULTRA or Equivalent)

Supply of 36W 2 feet X 2 feet recess mounted LED luminaire IP 20 240V with pressure diecast aluminium alloy housing, PDC aluminium centre cover, UV stablized injection moulded clustered PC diffuser cover, Corrosion resistance powder coated using nano technology, High efficiency inbuilt isolated driver with necessary safety protections & inbuilt suege protection of 6KV, life of 50,000 burning hrs as per L70 standard, system efficacy >120 LPW, CRI>80, 5700K CCT and THD<5% complete with 5 years warranty as required . (Make: Lighting Technologies, Model: SPARKLE ULTRA or Equivalent)

Supply of 35W LED street light Cool 5700K color temperature, IP 66, 240V with powder coated aluminium alloy housing, High efficiency driver with necessary safety protections & inbuilt suege protection of 6KV, short circuit, over voltage, thermal protection, life of 50,000 burning hrs as per L70 standard, luminaire efficacy >150LPW, CRI>70, THD<5%, comes with additional 10KV external surge protector with 5 Years warranty. ( Make: Lighting Technologies, Model: ADORNIS MIN 35W 5700K LED Outdoor Street light or equivalent)

Supply of 31 to 35W 1200mm long X 50mm wide LED luminaire made of extruded Aluminum and PDC Aluminum endcaps with screw fixing type , Corrosion Resistant Nano technology powder coating,UV stabilized Pyramid Micro structure Prismatic Diffuser with system output of minimum 3630 lumens, efficacy of >110LPW, CCT 5700K,CRI 80,SDCM 3, life of 50000 burning hrs. & lumen maintenance as per L70 catering low glare and a good ratio of light transmission property, standard UGR <17,high efficiency electronic driver with voltage range of 140-270V, Power factor > 0.95, THD <5%, Inbuilt surge protection of 3 KV with additional SPD of 6KV, protected against short circuit ,Mis wiring, and IP 20 along with IES, LM 79, LM 80, & TTC certificates from a NABL accredited lab with 5 Years warranty. (Make: Lighting Technologies, Model: Cane G7 PS PENDANT or Equivalent).

Supply of 30W linear surface mounted LED luminaire Cool 5700K color temperature, IP 66 240V with pressure diecast aluminium alloy housing, PDC aluminium centre cover, UV stablized injection moulded PC diffuser cover, Corrosion resistance powder coated using nano technology, High efficiency isolated driver with necessary safety protections & inbuilt suege protection of 4KV, life of 50,000 burning hrs as per L70 standard, system efficacy >100LPW, CRI>80, THD<5%, comes with additional 6KV external surge protector, with 5 Years warranty ( Make: Lighting Technologies, Model: Parker V2 surface or Equivalent)

Supply of 20W surface mounted LED Downlight Luminaire Cool 5700K color temperature, made of powder coated pressure die cast aluminium (PDC) housing, injection molded UV Stabilized PC diffuser, High efficiency driver with necessary safety protections & inbuilt suege protection of 3KV, life of 50,000 burning hrs as per L70 standard, system efficacy of >110 LPW, luminaire lumen output >2200, CRI>80, THD<5%, comes with additional 6KV external surge protector, with 5 Years warranty. (Make: Lighting Technologies, Model: MOON V2 STD or equivalent)

Supply of 20W recess mounted LED Downlight Luminaire Cool 5700K color temperature, made of powder coated pressure die cast aluminium (PDC) housing, injection molded UV Stabilized PC diffuser, High efficiency driver with necessary safety protections & inbuilt suege protection of 3KV, life of 50,000 burning hrs as per L70 standard, system efficacy of >110 LPW, luminaire lumen output >2200, CRI>80, THD<5%, comes with additional 6KV external surge protector, with 5 Years warranty (Make: Lighting Technologies, Model: MOON V2 STD or equivalent)

Supply of 12 Watts Ceiling / Surface mounted LED Lowbay bulkhead fittings having Cool 5700K color temperature, THD less than 5%, die-cast aluminum housing, powder coated, Poly carbonate diffuser, not less than 110 lm/w luminous efficiency, etc and as per specification complete with 5 Years warranty as required. ( Make: Lighting Technologies, Model: BASE LED 12W 5700K CCT NONDIM Grey Prime or equivalent)

Supply of 10W surface mounted LED Downlight Luminaire Cool 5700K color temperature, made of powder coated pressure die cast aluminium (PDC) housing, injection molded UV Stabilized PC diffuser, High efficiency driver with necessary safety protections & inbuilt suege protection of 3KV, life of 50,000 burning hrs as per L70 standard, system efficacy of >110 LPW, luminaire lumen output >1100, CRI>80, THD<5%, comes with additional 6KV external surge protector, with 5 Years warranty. (Make: Lighting Technologies, Model: MOON V2 STD or equivalent)

Supply of 20W solar street light with sensor integrated ALL IN ONE with lumen output of minimum 3000 and system efficiancy of >150 lm/W, efficient monocrystalline solar panel, new age lithium ferro phosphate battery, silicon encapsulated high efficiency MPPT charge controller, pressure diecast aluminum housing for better heat dissipation & strategically placed perforations allowing natural air passive cirulation within & into the housing for improved thermal management of internal components, including mounting bracket, IP 65 with minimum 2 years warranty. (Make: Crompton, Model : SONAVIA NEO, catalogue reference No: CSOP-814-20-57-HL5-FD-LM-SR or equivalent).

Supply of Dual LED Aviation Obstacle Light Fixture total of 10W, IP66 for both lights, LM-6 Aluminium housing, Lens made of Polycarbonate U.V stabilized optical grade suitable for outdoor/sunlight exposure, PCB's of Glass epoxy FR-4 grade with UVLO-94 tested type,Fixture with Individual solid-state Inbuilt Automatic day/night sensor and low intensity Type-B in accordance with ICAO Annex-14 Volume-I Aerodrome Design & Operations. (Make: RAYDYNAMICS, Model:LIT32-D230-UI or any make meeting ICAO requirements).

Supply of 1400mm sweep, 35W, BEE 5 star rated, ceiling fan with Brush Less Direct Current (BLDC) Motor, 3 nos.blades, 30 cm long down rod, 2 nos. canopies, shackle kit, copper winding, Power Factor not less than 0.9, Service Value (CMM/W) minimum 6.85, Air delivery minimum 235 CMM, 350 RPM (tolerance as per IS : 374-2019), THD less than 10%, remote or electronic regulator unit for speed control and all remaining accessories including safety pin, nut bolts, washers, temperature rise=75 degree C (max.), insulation resistance more than 2 mega ohm, suitable for 230 V, 50 Hz, single phase AC Supply, earthing etc. complete with minimum 2 years warranty as required (Make:Havells, Model:Enticer Prime BLDC / Orient hector 500 BLDC or Equivalent from the list of preferred makes).

Supply of 400mm sweep 3 blade, BEE 5 star rated, BLDC motor operated pedestal fan of 28 -35 Watt range, 1350-1500 RPM, with air delivery of minimum 65 CMM, suitable for 1-Phase, 230V, 50 Hz operation etc., complete with 2 years warranty as required ( Make : Havells, Model:Sprint or Equivalent).

Supply of 400mm sweep 3 blade, BLDC motor operated wall mounted fan of 35 Watt, 1500 RPM, with air delivery of minimum 65 CMM, suitable for 1-Phase, 230V, 50 Hz operation etc., complete with 2 years warranty as required (Make: Havells, Model: Platina FHWPCPTWHY16 or Equivalent).

Supply of 300mm dia single phase 1400 RPM mild steel body Exhaust fan and air delivery of 1770 CMH with metallic louver including all accessories and suitable for operation on 230 V, 50 Hz AC supply complete as required with 2 years warranty ( Make : Havells, Model:Ventilair DB or Equivalent from the list of preferred makes)

Provision of Floor mounted water purifier cum dispenser having purification of 10 LPH with RO+UV or RO+ESS purification, stainless steel 304 grade storage tank for Normal/Cold/Hot with each of 8 Ltrs/3.3 Ltrs/1.1 Ltr storage capacity respectively, dynamic LCD display for monitoring of TDS, Catridge life, Temperature etc., 3 Nos. of stainless steel taps for Normal/Cold/Hot water, suitable for input water TDS of upto 1000 PPM, including with necessary piping arrangements for water intake and drain, operating at 230 V, 1-Phase, AC supply. etc ., complete with minimum 1 year warranty as required (Make:Zero B,Model :Icy Hot Pro – RO or Equivalent from the list of preferred makes).

SITC of 1000 LPH capacity iron removal water treatment plant including supply and fixing of required capacity of monoblock pump and interconnection of pipes,valves etc., complete as required (Make: Ozone Technologies or equivalent).

Supply of following size XLPE insulated PVC sheathed aluminium conductor armoured power cable of 1.1KV grade confirming to IS 7098 (PART-I) with upto date amendments as required.

3.5 X 120 SQ.MM

3.5 X 70 SQ.MM

4 C x 35 Sqmm

4 C x 25 Sqmm

4 C x 10 Sqmm

SH-II LT PANEL & CABLE LAYING

Supply of LT panel indoor type as per IEC 61439 part I & II Panel made of 2mm Thick CRCA Sheet Steel, dust tight, vermin proof, Totally enclosed, cubicle type, floor mounting, free standing, extensible on both sides, suitable for indoor operation at 415 V, 3 Phase, 4 Wire, 50 Hz, AC System complete with all accessories, interconnection, connection, earthing, painting including provision of necessary supporting arrangement with MS "C" channel etc., as required and comprising of the following:

I) Incomer details: (A) Two Nos of 250 A, 36 kA, 4P MCCB with Microprocessor Based Releases (L&T MTX 2.0 / Equivalent) for OC/SC/EF Protection and ROM as INCOMERS, resin cast C.T. operated Digital Power Meter (EM 6400 of Conzerve/Equivalent), ON/OFF/TRIP Indication Lamps and Phase Indication Lamps, etc as required. (B) One No of 250 A, 36 kA, 4P MCCB with Microprocessor Based Releases (L&T MTX 2.0 / Equivalent) for OC/SC/EF Protection and ROM as bus coupler with mechanical interlock as required. (C) Two Nos. of Three Phase Surge Protection Device (SPD)for both direct and indirect lightning having 100kA 10/350 micro seconds neutral to earth, 50 kA 10/350 micro sec line to neutral respectively, with limiting voltage less than 1.5 KV connected on the mains power entry point at the incomers & of modular type.

II) Outgoing details: (D) Two Nos. of 125 A, 36 kA, 4P MCCB with microprocessor based releases (L&T MT X 1.0 / Equivalent) for OC/SC/EF protection as outgoing, ON/OFF/TRIP Indication Lamps and phase indication lamps as required. (E) Four Nos. of 100 A, 36 kA, 4P MCCB with microprocessor based releases (L&T MTX 1.0 / Equivalent) for OC/SC/EF protection as outgoing, ON/OFF/TRIP indication lamps and phase indication lamps as required. (F) Six Nos. of 63 A, 36 kA, 4P MCCB with microprocessor based releases (L&T MTX 1.0 / Equivalent) for OC/SC/EF protection as outgoing, ON/OFF/TRIP indication lamps and phase indication lamps as required. (G) One Set of 400 Amps Al. bus bars with at par neutral bus bars as required. (H) All accessories such as fuses, auxillary contactors, auxillary switches, castell mechanical interlock for the two incomers & bus coupler etc. as required. All as above (A) to (H)

ITC of the above panel including interconnection, connection, earthing and RCC bed (as per site condition) complete as required as per the item sl no.2.01 & 2.03 as above.

LT PANEL-II FOR CNS Distribution Supply of LT Switch Board indoor type as per IEC 61439 part I & II Panel made of 2mm Thick CRCA Sheet Steel, dust tight, vermin proof, Totally enclosed, cubicle type, floor mounting, free standing, extensible on both sides, suitable for indoor operation at 415 V, 3 Phase, 4 Wire, 50 Hz, AC System complete with all accessories, interconnection, connection, earthing, painting and also includes provision of necessary supporting arrangement with MS "C" channel etc., as required and comprising of the following:

I) Incommer details: (a) Two No. of 125 Amps, rated 4P manual Change over switch (L&T Fr2, CO2-125 / Equivalent), ROM as INCOMERS, ON/OFF Indication Lamps and Source Indication Lamps, etc. as required. (b) Two Nos of 25-100 A, 36 KA, 4P MCCB with Microprocessor Based Releases (L&T MTX 2.0 DZ1-160D / Equivalent) for OC/SC/EF Protection and ROM as INCOMERS, resin cast C.T. operated Digital Power Meter (EM 6400 of Conzerve/Equivalent), ON/OFF/TRIP Indication Lamps and Phase Indication Lamps, etc. as required.

II) Outgoing details: c) OUTGOING BRANCH-1 i) One No 63 A, 10 KA, 4P MCB as Outgoing. ii) Three Nos 32 A, 10 KA, 4P MCB as Outgoing. iii) One Set of 125 Amps Al. Bus Bars with at Par Neutral Bus Bars as required. d) OUTGOING BRANCH-2 i) One No 63 A, 10 KA, 4P MCB as Outgoing. ii) Three Nos 32 A, 10 KA, 4P MCB as Outgoing iii) One Set of 125 Amps Al. Bus Bars with at Par Neutral Bus Bars as required. e) All accessories such as fuses, auxillary contactors, auxillary switches, door locks, etc. as required. (a) to (e) above - 1 Job

ITC of the above panel including interconnection, connection, earthing and RCC bed (as per site condition) complete as required as per the item sl no.2.05 & 2.07 as above

Provision of on load change over panel (indoor wall mounting type) with 1 incomer and 1 outgoing - 100 Amp MCCB, 240V AC, 10kA, 2 pole with On/Off indications per each incomer along with necessary cable entry, exit and termination complete as required.

Supply & installing 300mm width x 50mm depth x 1.6mm thickness size of perforated hot dip galvanised iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with GI suspenders including GI bolts & nuts etc complete as required.

Supply & installing 300mm width x 50mm depth x 1.6mm thickness size of perforated hot dip galvanised iron cable tray "bends" (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with GI suspenders including GI bolts & nuts etc complete as required.

Supply & installing 150mm width x 50mm depth x 1.6mm thickness size of perforated hot dip galvanised iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with GI suspenders including GI bolts & nuts etc complete as required.

Supply & installing 150mm width x 50mm depth x 1.6mm thickness size of perforated hot dip galvanised iron cable tray "bends" (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with GI suspenders including GI bolts & nuts etc as required.

Laying of one number XLPE insulated and PVC sheathed power cable of 1.1 KV grade of following size in the existing RCC/HUME/METAL Pipe/HDPE Pipe as required.

Above 35 sq. mm and upto 95 sq. mm

Above 95 sq. mm and upto 185 sq. mm

Laying and fixing of one number XLPE insulated and PVC sheathed power cable of 1.1 KV grade of following size on wall surface as required.

Upto 35 Sq.mm (clamped with 1mm Thick Saddle)

Above 35 Sq.mm and upto 95 Sq.mm (clamped with 1mm Thick Saddle)

Above 95 Sq.mm and upto 185 Sq.mm (clamped with 1mm Thick Saddle)

Laying of one number XLPE insulated and PVC sheathed power cable of 1.1 KV grade of following size in the existing masonry open duct as required.

Above 35 Sq.mm and upto 95 Sq.mm

Above 95 Sq.mm and upto 185 Sq.mm

Laying of one number XLPE insulated and PVC sheathed power cable of 1.1 KV grade of following size on existing cable tray as required.

Upto 35 Sq.mm

Provision of Water Proofing seal with frame arrangements with EPDM Modules, Compression wedge, Stayplate, Lubricant etc. & 30% spare at new WT Station cable entry point to the cable trench with total 6 cable entries (3.5C X120sq.mm armoured and 3.5C X 70 sq.mm) as per site requirement as required (Make: MCT Brattberg or equivalent).

Supplying and making indoor end termination with brass compression gland and aluminium lugs for following size of XLPE insulated and PVC sheathed aluminium conductor cable of 1.1 KV grade as required.

3.5 X 120 Sq.mm (45mm)

3.5 X 70 Sq.mm (38mm)

4 C x 35 Sqmm (32mm)

4 C x 25 Sqmm (28mm)

4 C x 10 Sqmm (25sq.mm)

Supplying and making straight through joint with heat shrinkable kit including ferrules and other joining materials for size of 3.5C X 70 sq.mm XLPE insulated and PVC sheathed aluminium conductor cable of 1.1 KV grade as required.

Providing and fixing 6 SWG dia G.I wire on surface or in recess for loop earthing as reqired.

Supplying and laying of 110 mm OD HDPE Pipe of PE 80 PN 6 ISI Marked along with all accessories like socket, bend etc., confirming to IS 4984 complete with fitting and cutting, jointing etc., direct in ground (75 cm below the ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., as required.

SH:III ITC of Light Fixtures

Installation, testing and commissioning of pre-wired LED fittings of all types / wall mounting fans, complete with all accessories etc., directly on ceiling/wall, including connection with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable and earthing etc., as required.

Installation, testing & commisioning of 35W LED street light fixtures by providing 6 Amps MCB, 16 Sqmm 4 pole Connector, din bar, supply and laying of 3C x 1.5 Sqmm copper cable between fixture and MCB and earthing connection and suitable GI arm bracket etc., complete as required.

Installation, testing & commissioning of street light fixtures by providing suitable GI arm bracket upto 1mtr length with necessary accessories etc., complete as required.

Installation, testing and commissioning of ceiling fan, including wiring the downrods of standard length (upto 30 cm) with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable etc., as required.

Installation of exhaust fan with louver in the existing opening, including making good the damage, connection, testing, commissioning with 1.5 sqmm flexible FRLS cable etc., as required.

Upto 300mm dia

Installation of street light poles including excavation for RCC foundation of 1 feet X 1 feet upto a depth of 3 feet below ground level, fixing of pole over the RCC foundation with MS base plate,bolt & nut with necessary fixing arrangements etc. including provision of pipe for cable entry inside the RCC foundation and terminations complete as required.

SH-IV Surge Protection, Lightning Protection & Earthing

Supply of Secondary Protection power filter for surge protection having Multi Stage Series Power Filter (MSS PF) 125 Amps 3 Phase, 4 wire with neutral protection and built in MOV based surge diverter of 70kA at input and 40kA rating at load side with LC low pass filter for single phase, Inductor (L) Wounded in cylindrical Ferrite core, Self healing polypropylene Capacitor (C) compliance with IEC 61643/IEEE C62.41/ASNZ 1768/ANSI Standards,and tested lightning impulse current withstand test with counter record of minimum 40kA 8/20 μ sec in Govt lab, prewired in IP55 grade Powder coated metal enclosure with 125Amps MCCB, service change over switch, complete with sensing circuit, potential free contacts and necessary indicators and alarms connected in series with UPS input complete as required as per the specifications i/c the following: i. Service change over switch 125A 4 pole with required accessories. ii. MCCB 125A 4pole with enclosure with required accessories. iii. 60 mtr length 25sqmm PVC insulated copper multistranded cable with end terminations. (Make: TERCEL / GROUND ECA3G or equivalent from the list of preferred makes).

ITC of Secondary Protection power filter for surge protection having Multi Stage Series Power Filter (MSSPF) 125 Amps 3 Phase, 4 wire with neutral protection and built in MOV based surge diverter complete as per the instruction of EIC as required.

Providing and fixing of lightning conductor finial, made of 25 mm dia 300 mm long, G.I. tube, having single prong at top, with 85 mm dia 6 mm thick G.I. base plate including holes etc., complete as required.

Jointing copper / G.I. tape (with another Copper/GI tape, base of the finial or any other metallic object) by riveting / nut bolting / sweating and soldering etc., as required.

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required. (For horizontal run).

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required. (For vertical run).

Providing and fixing testing joint, made of 20 mm X 3 mm thick G.I. strip, 125 mm long, with 4 Nos. of G.I. bolts, nuts, chuck nuts and spring washers etc., complete as required.

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal / coke and salt as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/terminating with G.I. nut, bolt, spring, washer etc., as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm).

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer, excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

vk sam engineering (BID ID -908929)

Awasthi Electric Works (BID ID -910136)

CHENNAI ENGINEERING SERVICES (BID ID -910046)