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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹12.3 CrAccepted-AOC JODHPUR ROAD UTARLAI BARMER RAJ 344035 | BARMER | RAJASTHAN | 344035 | ₹12.3 Cr | L1 | Accepted-AOC Being L I Bidder |
| 2 | L2₹12.7 CrRejected-Finance 3A RAM MOHAN MULICK GARDEN LANE UNIT NO 6A 3RD FLOOR KOLKATA 700010 | KOLKATA | WEST BENGAL | 700010 | ₹12.7 Cr | L2 | Rejected-Finance Not being L1 Bidder |
| 3 | L3₹13.0 CrRejected-Finance | ₹13.0 Cr | L3 | Rejected-Finance Not being L1 Bidder |
| 4 | L4₹13.1 CrRejected-Finance | ₹13.1 Cr | L4 | Rejected-Finance Not being L1 Bidder |
| 5 | L5₹13.2 CrRejected-Finance 11 JAMES HICKEY SARANI FORMALLY KNOWN AS DACRES LANE 2ND FLOOR KOLKATA 700069 | KOLKATA | KOLKATA | WEST BENGAL | 700069 | ₹13.2 Cr | L5 | Rejected-Finance Not being L1 Bidder |
Tender Value
₹12 Cr
EMD Value
₹9.3 L
Closing Date
16 Mar 2024, 6:00 pmClosed
CHIEF ENGINEER AF SHILLONG ZONE
HQ CHIEF ENGINEER AF SHILLONG ZONE MILITARY ENGINEER SERVICES ELEPHANT FALLS CAMP PO NONGLYER SHILLONG 793009
PROVISION OF INFRASTRUCTURE FOR INDUCTION OF MAFI AT AF STN PURNEA
2023_MES_621983_2
88878/PUR/E8
Open Tender
Civil Works
700 days
GE (AF) PURNEA
As per NIT conditions
8 documents required · 8 mandatory
₹3,000
GE AF PURNEA
₹9.3 L
Yes
1 Apr 2024
16 Feb 2024
18 Mar 2024
16 Feb 2024
16 Mar 2024
2 Mar 2024
Amount
NOTE (Applicable for all Parts/ Items):- The bidders/contractors are advised to read tender document, all drawings & all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates.
SCHEDULE "A" Part - I (BUILDING / STRUCTURE) (Note : This schedule is not pre-priced by MES and the pre-priced rate indicated as 0.00 under column 5 signifies the fact only)
Construction of 01 x MAFI building in triple storey building alongwith Air Traffic Control Tower on top configuration with permanent specifications , RCC framed structure including staircase, etc complete all as specified and as shown on drawings.
Construction of One block of power station in single storey with configuration with permanent specifications , RCC framed structure complete all as specified and as shown on drawings.
SCHEDULE 'A' PART- II ( SITE CLEARANCE AND DEVELOPMENT ) Details of prepriced Schedule is given in tender documents
SCHEDULE 'A' PART- III (INTERNAL ELECTRIC SUPPLY) Details of prepriced Schedule is given in tender documents.
SCHEDULE 'A' PART- IV (INTERNAL WATER SUPPLY) Details of prepriced Schedule is given in tender documents.
SCHEDULE 'A' PART- V (PATH WORKS) Details of prepriced Schedule is given in tender documents
SCHEDULE 'A' PART- VI ( AREA DRAINAGE) Details of prepriced Schedule is given in tender documents
SCHEDULE 'A' PART- VII (SEWAGE DISPOSAL ) Details of prepriced Schedule is given in tender documents.
SCHEDULE 'A' PART-VIII (EXTERNAL ELECTRIC SUPPLY) Details of prepriced Schedule is given in tender documents
SCHEDULE 'A' PART -IX (MISCELLANIOUS ITEMS) Note:- This schedule is not pre-priced by MES.
S&F 15mm bore fancy type chromium plated angle cock , screwed down, high pressure with crutch or butterfly handle screwed both ends for iron pipe or for unions complete all as specified and directed.
S & F TV socket single moulded, polycarbonate type with box complete all as specified and as directed.
S & F Telephone socket single moulded, polycarbonate type with box complete all as specified and as directed.
S & F angle/batten type holder insulated body with back plate suitable for light point complete all as specified and directed.
S & F Single pole and neutral(Geyser box) enclosure with a two pin and earth plug and socket complete with one single pole MCB16 Amps complete all as specified and directed.
S & F LED lamp 10 watt fixed to holder complete all as specified and directed.
S & F LED lights fitting, 4 feet, 1x 20W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.
S & F LED light fitting mirror type with high out put diffuser 2 feet, 5 watt 220 V AC decorative type with driver LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.
S & F LED luminaire 600 mm x 600 mm, 35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling including connecting up with driver three core flexible copper conductor cases of suitable size complete all as specified and directed.
S & F Porch light round shape 15 watt 220 volts AC recessed type with high efficiency PMMA diffuser soft glare free light complete with drivers, holders, LED lamp suitable for roof ceiling including connecting up with three core flexible copper conductor cable of suitable size complete all as specified and directed.
S & F LED security light fitting of capacity 35 watt with integral reflector made of aluminium alloy LM6 with LED driver, lamp, surge protector and all accessories pre wired including connection with three core PVC insulated, sheathed copper conductor cable of suitable size complete with GI bracket 1.5 meter long bend to shape of dia 40mm GI medium grade pipe with MS clamp /nut & bolts/washers etc complete all as specified and directed.
S&F Energy efficient five star rated ceiling fan 230 volts, single phase AC, 1200 mm sweep, BEE 5 star rated, Brushless Direct Current(BLDC) without remote type with accessories like holding down rod,hanging clamps, blades, fan hook including writing MES number (as per standard practice) including provision of three core flexible copper wire of suitable size from ceiling rose to ceiling fan complete in all respect all as specified and directed.
S&F exhaust fan metallic steel body, single phase, 230 volts, 50 Hzs of size 300mm sweep, 900/950 RPM, heavy duty type with suitable metallic louver, blades, frame and flexible three core copper conductor cable of suitable size for connecting with ceiling rose complete including making of hole in wall and making good to the disturbed surface complete all as specified and as directed.
S&F concealed distribution box, double door, SPN, 230V, 12 way, IP 42 with 200 Amps rated bus bar, neutral link, earth link complete all as specified and directed.
S&F concealed distribution box, double door, SPN, 230V, 8 way, IP 42 with 200 Amps rated bus bar, neutral link, earth link complete all as specified and directed.
S&F MCCB 415 Volts, 3 Pole, 40-100 Amps, 50 Hz, 16 kA with thermal magnetic release type with sheet steel enclosures complete all as specified and directed.
Notes for Item No 9.19 (i) The contractor shall submit the test certificate from manufacturer . (ii) The contractor shall submit QAP (Quality assurance programme) within 15 days after placement of order. (iii) The contractor shall furnish origional bill certificate (Purchase voucher and test certificate) of the LT panel manufacturer. (iv) The contractor shall get the approval of GE for make of the LT panel board before placing the order. (v) Prior to manufacturing the general arrangement drawing design details of the LT panel shall be get approved from GE. (vi) Connection of LT panel/starters/MCCBs through multi core copper conductor control cable of suitable size (irrespective of length) is deemed to be included in the item . (vii) Necessary PCC foundation upto 1mtr height from GL shall be done by the contractor
S & F DLP PVC adaptable of size 80mmX50mm of size truaking system for complete with and including of base, covers, partitions, joint covers, box joints, end caps, angles, partitions junctions, VAI access, angle clips, wall accssing, capacity change, cable tie base etc finishing accessories and mounting accessories suitable for mounting switches and sockets 5 Amps, 5/15Amps with and including base plates modular type complete all as specified and directed. (Note-Sockets and switches shall be measured and paid seperately).
S & F base cover 4 module, 85mm complete all as specified and as directed.
S & F base cover 6 module, 85mm complete all as specified and as directed.
S & F modular switch 1 way 5/6 Amp 1 module complete all as specified and as directed.
S & F modular switch 1 way 20 Amp 1 module complete all as specified and as directed.
S & F modular socket 5/6 Amp 3/5 Pin, 2 module complete all as specified and as directed.
S & F modular socket 6/15 Amp 6 Pin, 2 module complete all as specified and as directed.
Construction of soakage well for 51 to 100 users, 3.25 mtr dia with effective depth as shown on drawings complete all as specified and directed by Engineer -in-Charge.
Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure without damaging the existing road , getting out and disposal of excavated soil to a distance not exc 50 mtr from the site of work complete all as specified and directed.
Supply , installation, testing and commissioning of step down transformer outdoor type plinth mounted, HT 11 KV,3 phase 433 volts, 4 wire, 50Hz Delta/star connected, vector group DYN-II double copper wound, ONAN, manual type off load tap changing facility on HT side to vary secondary voltage of +7.5% in steps of 2.5% continuous rating of capacity 630 KVA including bushing on HT and cable end box on LT side. The transformer shall bearing IS Mark of IS-1180 part 1 :2014 Level-2 (as per latest amendment of BEE/IS specifications) complete with all standar fittings and accessories gauges, first filling of transformer oil etc including suitable platform with PCC/brick work , finished with cement mortar 1:4 as per manufacture's recommendations, length, width and height shall be 300mmx1750mm (foundation depth shall be 750mm from ground level) 125mm thick ,RCC slab (1:2:4) type B-1 (Nominal mix) using 20mm graded stone aggregate on top of the platform, reinforcement shall be10 mm dia @ 150 c/c both ways , 02 Nos ISMB 150 complete all as specified and as directed.
(ITEM NO 9.31 Contd ...).. Specification of Transformer:- (a) Oil conservation with filling hole and cap drain valve and oil level gauge. (b) Silica gel breather with connecting pipe, first fill of dehydratiing agent. (c) Explosion relief mounted on tank with double diaphragm and equalizer pipe connected to conservator air spoon (Pressure release valve) (d) Air release plug. (e) Oil temperature indicator (gauge) having range 00 C to 2000 C. (f) Thermometer pocket with thermometer dial size 100 mm dia. (g) Drain valve with threaded adapter. (h) Sampling valve (j) cover lifting eyes. (k) Jacking pads, handling and lifting lugs. (i) Roller type four Nos wheels. (m) Rating plate and terminal marking plate cable end box on LT side. Also extra bushing for neutral outside the LV side hand hole of sufficient size to assess the interior of the tank. (n) HT bushing on 11 KV (p) First fillling of transformer oil. (q) Buchholz relay (r) Insulation class 'A' (s) Digital thermometer, Amp meter, Voltmeter
Supply, Installation, Testing and Commissioning of 11 KV , HT panel 400 Amps ,minimum 13.10 kA rupturing capacity indoor insulated floor mounted, VCB switch gear with copper bus bars comprising one incoming, two bus coupler and three outgoing, the coupling shall be at the top of panel through bolted connection and sleeves bus bars covered with insulated boots. All live parts, bus bar , VCB shall be enclosed in steel tank filled with IP class IP 67 , as per latest IEC 62271-200 complete all as specified and as specified. (a) All VCB's shall be motorized with 110 V DC control voltage to operate two position double spring mechanism. Each VCB shall have green (on)/ Red (off) push buttons to operate and Live cable LED indicators through voltage dividers mounted on the bushing. (b) The earthing shall be provided in each cable compartment to provide solid earthing for the cable shield . Each VCB(except bus Coupler) incoming and outgoing shall be equipped with digital MFM to measure Amps , Volts , Frequency, PF, KWH , KVAR etc and 3 O/C +1 E/F self powered numerical protection relay with low and high set for over current and Earth Fault . Relay shall have facility to display the maximum loaded phase current also. Relay shall record minimum 5 faults records with time stamping or as per manufacturer's design. (c) The switch gear shall have built in programming logic using reputed make PLC for automatic changeover between two motorized incomer VCB , one bus coupler VCB and shall derive voltage reference from incoming supply in respective incomer. (d) PLC shall also be wired to all VCB's to monitor open/close status . The unit shall be supported with power pack of 110 Volt battery with battery charger (110 volt DC output ) for supply backup for PLC and motor operation . The unit shall include the following with all necessary standard fitting required at site.
Supply, Installation,Testing and Comissioning of LT control panel floor mounted indoor type made out of 2mm thick CRCA sheet, ACB switch gear with aluminium bus bar comprising for capacity of 1600 amps minimun with following accessories :- (a) ACB panel has 2 Nos ACB's for DG input, 1 No ACB for output, 1 No ACB as B/C with a proper cable termination chanber (b) Each ACB Panel has facility to incorporate remote closing, remote strip and remote U/V command , each circuit has facility at terminal block to have external interface (c) DG-1, DG-2, Main I/P, ACB details :- (i) 4 Pole, 1250 A, 415Volt, 50 kA rms 1 Sec, 50 Hz Supply (ii) Draw out mounting with safety shutters (iii) Type of operation : Electrical by 230V AC motor with manual handle (iv) Closing and Tripping coil voltage - 230V AC (v) UV Voltage - 230 V AC Relay type - Microprocessor based with earth leakage, over curent, short circuit protections for generator application (in 2 Generator feeders ) others ACBs with industrial applications AUX Conacts - Min 7 No + 7 NC, 3 No + 3NC extended upto panel terminal blocks for remote PLC interlock Display- Wih display Type of protection - IP 54 Electrical TNC (Trip-Neutral-close) switch : Trip, Neutrl and close switch for manual operation shall be provised by ACB Panel Builder
(ITEM NO 9.41….. Contd.../) PROTECTION (i) Overload Cut-Off and short circuit Protection (ii) High/Low voltage cut off (iii) Bypass arrangement in case of emergency (iv) Single phase Prevention. (v) Spike and surge protection (vi) Earth Fault protection. Note :- (i) Manufacturer test report :- Test report as per clause 11.1 for any rating as per clause 5.1 of BIS : 9815 (Part I) shall be produced by manufacturer for the specified capacity of any voltage range from Govt LAB / NABL accredited lab. (ii) Acceptance test :- The testing of voltage test shall be carried out in accordance with Para - 11.2 of the BIS : 9815 (Part - I) re-affirmed 2004 :- (aa) Physical examination (ab) Insulation resistance (ac) High voltage test (ad) Leakage current test (ae) Provision of Earthing (af) Output voltage (ag) No load current (ah) Measurement of No load losses (ai) Induced voltage test
Supply, Installation, Testing and Commissioning of 630 KVA Isolation transformer, 3-Phase, Oil -cooled, copper-wound including first filling of oil of requisite dielectric strength as per IS : 335, unbalance type, Primary -415 V, 3 -wire, 50Hz Delta, Secondary 415 V, 4-wire to be connected in star arrangement, designed for input voltage of 415 Volt, output voltage 415 volt, input frequency 50 Hz+-3%, dielectric strength 2.5 KV for 60 seconds. Insulation to be more than 1000 Mega Ohms, Impedence Voltage - 3-4% and comprises with thefoloowings :- (a) Standard fitting and fixtures with provision for over load short circuit, light low cut off, single phase sequence change. (b) Surge protection against load surges, insulation class 'A' digital instrumentations (digital ampere meter and voltmeter), thermometer, bottom oil cum drain valve, rating diagram and terminal marking plate, earthing terminal - 02 Nos, lifting eye / plugs, under carriage with 04 x Nos of bi-directional rollers, separate neutral bush Note (i) Pre-dispatch inspection at OEM/factory premise shall be carried out by Ref of Accepting Officer. (ii) Prior to manufacture, the contractor shall get the GA drg approved from Accepting Officer. (iii) After installation of transformer at site, the pre-commissioning test shall be carried out by SEI/EI.
S&F single phase IGBT based online UPS for 30 minutes back up. INPUT - 240 (+-) 10% VAC, 50 +- 5% H2, Single phase - 3 wire (P+N+E). OUTPUT 2 KVA 230+- 10% VAC, 50+-5% H2, Single Phase -3 wire (P+N+E) (ad) Output wave form : Sinusoidal singleward. (a) Voltage regulation <2% 9af) Inverter efficiency > 80% 9 (b) Overload capacity : 110% for >110% for > 10 minutes. (c) Total harmonic distortion (THDI) : <5% at full load. (d) Transient response variation : Less than +- 10% voltage. (e) Environment : Approx 0.5"C & 95% RH (f) Charge (i) Charging mode shall be provided (ii) Battery charging voltage & current shall be adjustable (iii) Line & Load regulations <+-2% (iv) Output ripple <3% (g) Battery (i) Battery shall be sealed maintenance free (SMF) or VRLA type (ii) Battery back-up shall not be less than 4 hrs at full load (h) Functional test : (i) Insulation resistance and HV test certificates (ii) Load regulation and transient response test (iii) Efficiency (iv) Ripples (v) Battery capacity test (vi) UPS function test (vii) Spare PCBs / Card test report. (j) User manual :- One set of user manual (It shall include specifications, operating procedure, BOM, alarm announciation, PCB functions details, PCB circuit diagram & trouble shooting ) shall be provided with each UPS, complete as all specified and directed.
Supply , Installation,Testing and Commisioning of HVDB , package type compact sub station, 11 KV ,100 KVA, outdoor type comprising with the following :- (a) HT switch gear - Two way 11 KV 630 Amps 21 kA for 3 seconds SF6 insulated non extensible switch gear (type RT2) consisting of one No bus bars riser and one No fixed manual vacuum circuit breaker in SF6 insulated stainless steel enclouser with self power series trip micro processor based numerical over current and earth fault relay (IDMTL+INST)-01 No (b) Step down transformer 11 KV/433 volts of capacity 100 KVA copper wound transformer indoor type as per IS 1180 - 01 No (c) LT bus bar of rating 250Amps copper - (d) LT panel with incomer 250 Amps 25 kA, 4 pole microprocessor based MCCB with O/L, S/C, E/F protection - 01 No (e) 32 Amps MCCB 3 Pole manual fixed type 25 kA, TMD based releases - 08 Nos (f) On/Off trip lamps - 03 Nos (g) RYB indicating lamps - 03 Nos (h) Digital multi functional meter - 01 No (i) Metering CTs 250/5 Amps, Cl 1.0, 2.5VA - 04 Nos Loc -PS II (j) 16 Amps MCCB 2 Pole -02 Nos (k) 10 Amps MCCB 2 Pole -02 Nos
Supply , Installation,Testing and Commisioning of HVDB , package type compact sub station, 11 KV ,63 KVA, outdoor type comprising with the following :- (a) HT switch gear - Two way 11 KV 630 Amps 21 kA for 3 seconds SF6 insulated non extensible switch gear (type RT2) consisting of one No bus bars riser and one No fixed manual vacuum circuit breaker in SF6 insulated stainless steel enclouser with self power series trip micro processor based numerical over current and earth fault relay (IDMTL+INST)-01 No (b) Step down transformer 11 KV/433 volts of capacity 63 KVA copper wound transformer indoor type as per IS 1180 - 01 No (c) LT bus bar of rating 250Amps copper - (d) LT panel with incomer 250 Amps 25 kA, 4 pole microprocessor based MCCB with O/L, S/C, E/F protection - 01 No (e) 32 Amps MCCB 3 Pole manual fixed type 25 kA, TMD based releases - 10 Nos (f) On/Off trip lamps - 03 Nos (g) RYB indicating lamps - 03 Nos (h) Digital multi functional meter - 01 No (i) Metering CTs 250/5 Amps, Cl 1.0, 2.5VA - 04 Nos Loc -PS II (j) 16 Amps MCCB 2 Pole -04 Nos (k) 10 Amps MCCB 2 Pole -02 Nos
Supply and installation of ring main unit one incoming, two outgoing SF6 filled load break switch each of outdoor type of rating 630 Amp Aluminium bus bar with a fault clearing capacity of 21 kA for 3 seconds, rated voltage 12 KV, operational voltage -11 KV, frequency -50Hz totally enclosed ring main unit with IP 67 protection for SF6 tank and IP 55 protection for outdoor enclosure with self powered microprocessor based numerical relay with over current and earth fault protection. Entire RMU shall be tested for internal arc test of 21 kA for 1 second as per IEC-62271-200 standards including installation and testing complete all as specified and as directed.
M&L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and as directed.
M&L for Electrical insulation mat of size 2 mtr x 1 mtr x 2.5 mm , IS : 15652/ 2006(LT) , ISI marked with test certificate, Class - A, Working voltage -11 KV , AC Proof voltage - 10 kV for 3 Mints, Dielectric strength - 30kV, One side plain and another side anti skid heat proof acid, alkali and transformer oil proof, Color- Black/Blue complete all as specified and as directed. Note : Marking : Every meter of mat will be marked with class, batch number and brand name.
M&L for Automatic Power Factor Correcting (APFC) Panel , indoor type, floor/wall mounted for 3 Each Phase four line, Rated voltage-440V AC +10%, Rated frequency-50 Hz, Short cuicuit rating -35 kA, copper busbar, rotor handle for incomer MCCB, indicating light for capacitor stage display, a microprocessor based relay with 12 output contacts for switching contactors of capacity 200 KVAR with 11 Step ((2 x 50) + (2x 25) + 20 + (2 x 10) + 5+2+2+1) delta connection with incoming MCCB of suitable current rating 36 kA, Rupturing capacity, PF improve from 0.85 to 0.96 for 630 KVA transformer with auto/manual operation complete bearing IS-8623/IEC 61921 complete all as specified and as directed.
M&L for PCC root indicator suitable for mounting on root of HT/LT cable of width 45cm, depth 10cm & height 100cm overall embedded to the depth not less than 45cm below ground level complete all as specified and as directed.
Supply and Fixing Steel tubular swaged polescomplete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-31 (9.00 metres long) including pole painting with two coats of aluminium paint over a coat of primer in AF pattern complete all as specified and as directed.
M & L sub main wiring with two single core 2.5 Sqmm sizeFRLSH, ISI marked, PVC insulated unsheathed cable, 1100 volts, grade having multistranded copper conductor with earthing cable of PVC insulated unseathed multistranded copper conductor of size 2.5 sqmm single core as earth continuity wire all as directed. (Note: Three runs of 2.5 sqmm cable and one run of PVC conduit shall be measured as one length).
S & F Thermo plastic Terminal box of size 280 x 235 x 135 mm with locking arrangements including necessary mounting arrangement on any location/size of pole with clamps, nuts, bolts washer etc fixed to poles including one No SP MCB suitable capacity and PVC connector for cable termination complete all as specified and as directed.
S & F LED street light fitting 70 Watt, 230 V, AC outdoor type, IP-65, with high pressure die cast aluminum hosing and heat resistant complete with in-built driver inside the housing, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete all as specified and as directed.
M&L earth continuity conductor 25 X 3 mm copper strip including fixing in wall / laying in ground/ connecting with nuts and bolts cutting holes for passsing through wall complete all as specified and as directed.
M&L for Earthing complete with copper earth plate electrode of size 600x600x3.15 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to 25×3mm copper strip as earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by galvanized iron pipe 40mm bore (Medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion all complete as specified and directed.( Copper strip upto 7.5m including testing consider in this item). .
S & F of safe lightning protection rod (Early Streamer Emission Lightning Conductor), fully autonomous having lower series of energy collecting electrodes, upper series of spark- generating electrodes, an in-built micro controller for detection of lightning downward leader and releasing upward leader at that very precise moment to ensure nuisance free , fail safe, real need based operation any and every time in all type of lightening, i.e.Positive/Negative/UP/Down, sealed in a stainless steel housing fixed at the centre of its central rod which has full electrical connectivity direct up to earth point, having gain in triggering time not less than 60 micro sec giving 107 Meters radius, Level IV, High/Medium/Standard Protection. For- PS-I, complete all as specified and as directed.
Supply and Erection of a mast ASM-45 (4.5m long) suitable for ESE Technology based lightning protection installation, mechanically robust, good corrosion and fire resistant, GI/ MS Painted,along with guying kit, foundation and other accessories required for installation of the mast complete all as specified and as directed.
S & F Thor mast coupler suitable for ASM-45 complete all as specified and as directed.
Supply and Installation of 'A.L.I.C.E' digital (ASHLOK"s) lightning strike counter electromechanical) in weather proof box of IP66 grade protection along with clamps etc. as required complete all as specified and as directed.
S & F SLPR accessories provided in box complete all as specified and as directed.
Supply and Laying of 70 Sqmm PVC insulated flexible copper down conductor including saddles and all accessories etc as required complete all as specified and as directed.
Providing and laying at or near ground level, factory made kerb stone of M-25 grade cement concrete, fixed in position required line, level and curvature, jointed with cement mortar 1:3, including making joints with or without grooves *(thickness of groove shall not be more than 5mm except at sharp curve) including making opening for drainage whereever required and directed by Engr-in-Charge complete all as specified and as directed.
NARSINGH DEVELOPERS LLP
surendra infrastructure pvt ltd
CHOWDHURY CONSTRUCTION CO
D R STEEL CONSTRUCTION COMPANY PRIVATE LIMITED
BHOWMICK ENTERPRISES INDIA
MAA BHAGWATI ASSOCIATES
M P KHAITAN
DNS CONSTRUCTION COMPANY
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