REPAIR/RENEWAL OF LIGHTNING CONDUCTOR AND EARTHING INFRASTRUCTURE AT AF STN NALIYA

Amount

Labour only for cleaning the vegetation/surplus soil around the earth pits upto 1.00 mtr all around the pit, cleaning the chamber of the earth pit, Moisture the earth pit with Solution (water+Salt+Charcoal+magnesium sulphate) & checking the results after 3 day from moisture of the earthing using earth tester, re-activating the earth pit using suitable measures as required to bring the results within the limits of 1 /2/3/5 ohm, complete all as specified and directed. Note :i) All materials required for re-activation of earthing pit will be measured and paid separately under supplied only of respective item of schedule. ii) The resistance test of earth pits to be carried out in dry season only. iii) Contractor has to submit the satisfactory earth test reasult duly countersigned by users fo payment purpose. Note :- Testing of earthing should be carried out quaterly for the duretion of 1 year (4 times)

Material and labour for common salt for earth pit complete all as specified and directed.

Material and labour for Charcoal dust complete all as specified and directed.

Material and labour for magnesium sulphate for earth pt complete all as specified and directed.

Material and labour for Backfilled compound complete all as specified and directed.

Material and labour for Power plus earthing Gel complete all as specified and directed.

Material and labour for in replacement of earthing complete with galvanised steel earth plate electode 600 x 600 x 6 mm thick buried directly in ground earth pit with adequate quantity of charcoal and dust and common salt , not less than 2.25 mtr deep below ground level connected to & including galvanised earth lead wire 4 mm dia drawn through GI protection pipe of size ordered specified for protection of earthing lead from earth electrode to test point/main DB from mechanical injury or tempering by means of nuts and bolt check nuts and washers of galvanised iron sheet all as shown in electrical plate No 3 of SSR Part - I and connected to earthing test point complete including testing, refilling earth and removal of surplus soil upto 50 mtrs, PCC 1:3:6 type CI chamber precast RCC cover 40 mm thick reinforced with 6 mm dia MS bar 3 Nos both way with handle made out of 6 mm dia MS bar water pipe with wire mesh and connecting testing etc complete all as specified and directed .

Material and labour for in replacement of earthing complete with copper plate electrode 600 x 600 x 3.15 mm thick burried directly in ground earth pit not less than 2.25 mtr deep below ground level connected to & inclduing copper strip 20x3 mm by means of nuts and bolt check nuts and washers of galvanised iron sheet, passing through protection pipe of 25 mm dia light grade GI pipe all as shown in electrical plate Nos 3 of SSR Part-I, and connected to earthing test point complete inclduing testing filling of adquate quantity of charcoal dust and common salt inclduing refilling earth and removal of surplus soil upto 50 mtrs apart and PCC 1:3:6 type C1 chamber precast RCC cover 40mm thick nrinforces with 6 mm dia MS bar 3 Nos both way with handle made out of 20 mm dia MS base water pipe with wire mesh, funnel etc and connecting testing etc complete all as specified and directed Note: Copper strip exceeding 7.5m long shall be measured & paid separately.The earth resistance value less than 5 ohm.Failing to achieve the value the contractor shall be re do the earthing without any extra cost.

Material and labour for in replacement of earthing complete with galvanised steel earth plate electrode 60cmx60cm x 6 mm thick buried directly in ground vertically to depth not less than 2.25 mtr below ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level connected to and including GI strip of 32x6mm as earth lead up to 7.5 mtr long fixed by means of bolts, nuts, check nuts and washers etc. of galvanised iron or steel including provn of HDPE protection pipe light grade of 32/40mm bore and connected to earth strip earthing test point all as shown in electrical plate No.5 of SSR Part-I 2009 and as specified or indicated and testing on completion including necessary excavation & earthwork in any type of soil, PCC (1:3:6) type C1 chamber, precast slab 50mm thick in cement concrete (1:2:4)type B1 (reinforced with welded steel wire fabric (XPM) of weight not less than 4kg/sqm) with frame, funnel with watering pipe of 15mm bore Sch.40, wire mesh and lugs, test point etc. complete all as specified and directed. Note: G I strip exceeding 7.5m long shall be measured & paid seperately.

Material and labour for in replacement of chemical earthing complete with Copper earth plate electrode 90cmx60cm x 5 mm thick buried directly in ground vertically to depth not less than 3.00 mtr below ground level with top edge of earth plate at a depth not less than 2.25 mtr below normal ground level connected to and including Copper strip of 32x6mm as earth lead up to 7.5 mtr long fixed by means of bolts, nuts, check nuts and washers or brazing etc. of galvanised iron or steel including provn of GI protection pipe light grade of 40mm bore and connected to earth strip earthing test point all as shown in electrical plate No.5 of SSR Part-I 2009 and as specified or indicated and testing on completion including necessary excavation & earthwork in any type of soil, PCC (1:3:6) type C1 chamber, precast slab 50mm thick in cement concrete (1:2:4)type B1 (reinforced with welded steel wire fabric (XPM) of weight not less than 4kg/sqm) with frame, funnel with watering pipe of 15mm bore medium grade, wire mesh and lugs, test point including salt (150KG), Coal dust(100KG) & Magnesium sulphate (150KG) including refilling of earth pit with cultivated soil and removal of surplus soil upto 50mtrs apart etc. complete all as specified and directed. Note: Copper strip exceeding 7.5m long shall be measured & paid separately.The earth resistance value less than 1 ohm.Failing to achieve the value the contractor shall be re do the earthing without any extra cost.

Material and labour for in replacement of chemical earthing complete with Perforated GI Pipe of 80 mm Medium Grade with hole on peripheri in symmetric zig zag manner buried directly in ground vertically in bore of size 200 mm Dia and depth not less than 12.00 mtr below ground level connected to and including GI strip of 32x6mm as earth lead up to 18 mtr long fixed by means of bolts, nuts, check nuts and washers and welding etc. of galvanised iron or steel including provn of GI protection pipe light grade of 40mm bore on earth strip from earth pit to test point all as shown in electrical plate No.5 of SSR Part-I 2009 and as specified or indicated and testing on completion including necessary excavation & earthwork in any type of soil, PCC (1:3:6) type C1 chamber, precast slab 50mm thick in cement concrete (1:2:4)type B1 (reinforced with welded steel wire fabric (XPM) of weight not less than 4kg/sqm) with frame, funnel with watering pipe of 15mm bore medium grade, wire mesh and lugs, test point including salt (350KG), Coal dust(225KG) & Magnesium sulphate (350KG) including refilling of earth pit with cultivated black cotton soil and removal of surplus soil upto 50mtrs apart etc. complete all as specified and directed. Note: GI strip exceeding 18m long shall be measured & paid separately.The earth resistance value less than 1 ohm.Failing to achieve the value the contractor shall be re do the earthing without any extra cost.

Material and labour for in replacement of chemical earthing complete with Copper chemical earthing Electrode 50mm dia 3 mtr long buried directly in ground vertically in bore of size 200 mm Dia and depth not less than 3.0 mtr below ground level connected to Copper strip fixed by means of bolts, nuts, check nuts and washers and breazing etc. all as shown in electrical plate No.5 of SSR Part-I 2009 and as specified or indicated and testing on completion including necessary excavation & earthwork in any type of soil, PCC (1:3:6) type C1 chamber, precast slab 50mm thick in cement concrete (1:2:4)type B1 (reinforced with welded steel wire fabric (XPM) of weight not less than 4kg/sqm) with frame, funnel with watering pipe of 15mm bore medium grade, wire mesh and lugs, test point including Backfilled compound for earthing(350 Kg) & Power plus earthing Gel (20KG) including refilling of earth pit with cultivated black cotton soil and removal of surplus soil upto 50mtrs apart etc. complete all as specified and directed. Note: Copper strip shall be measured & paid separately.The earth resistance value less than 1 ohm.Failing to achieve the value the contractor shall be re do the earthing without any extra cost.

Supply and fix in repair Air termination, single point copper rod 12 mm dia and 300 mm long complete all as specified and directed.

S&F in repair Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw complete all as specified and directed.

Supply and fixing in repair Copper strip 20 x 3.15 mm fixed with saddles, insulators and screws etc for roof conductor and down conductor above ground, including breazing at joints complete all as specified and directed.

Demolition of existing damaged valve pits and provn of new earth pit chamber of size 30cmx30cmx30cm constructed in PCC (1:2:4) type B1 using 20mm graded aggregate including cast iron frame with hinged pit cover of size 12"x12" having 7 kg weight all as per electrical plate No.3 and complete all as specified and directed.

Supply & fix in repair GI pipe of size 25 mm 1.5 RM long Light grade vertically fixed by means of PCC 1:2:4 of size 2x2x1.5 Cubic Feet for mounting of Copper air termination rod including fabrication work for mounting insulators on GI Pipe complete all as specified and directed.

Supply and fixing in repair Copper strip 32x6 mm fixed with saddles, insulators and screws etc for roof conductor and down conductor above ground, including breazing at joints complete all as specified and directed.

Supply & Fix in repair earthing strip insulators made of any material as PVC/Fiber including nut and bolt suitable for fixing / support of copper/GI strip of size upto 32x6 mm complete all as specified and directed.

Supply & Fix in repair re-winding of 3 phase existing rooftop siren for auto/Manual operation. This includes repairs, installation and testing of siren on site complete all as specified and directed.

Supply & fix in replacement IO module card of Remote Terminal Unit panel with FRC cable for siren system panel complete all as specified and directed. Make: CIMCON/SIEMENS/ABB

Supply & fix in replacement Digital input DI card of Remote Terminal Unit panel with FRC cables and its connecting accessories for siren system panel, complete all as specified and directed. Make: CIMCON/SIEMENS/ABB

Supply & fix in replacement Digital output DO card of Remote Terminal Unit panel with FRC cables and its connecting accessories for siren system panel complete all as specified and directed. Make: CIMCON/SIEMENS/ABB

Supply, Installation, Testing & Commissioning in repair of SFS1-CPU card of EST3x fire alarm panel with below specifications: Voltage 24 VDC, Current: Standby 115 mA at 24 VDC Alarm 115 mA at 24 VDC Relay outputs: Quantity 3 (alarm, supervisory, and trouble) UL type Common Contact arrangement Form C Rating 30 VDC at 1 A resistive AUX power outputs: Quantity 2 Voltage 24 VDC, resettable or continuous Current 1.0 A each circuit, 1.0 A total Data network (RS-485) Nodes 2 to 64 (requires optional network card) Performance class Class A or Class B Wire type Twisted pair, 6 twists per foot, min. Circuit length 5,000 ft. (1,524 m) between any three panels Circuit resistance 90 Ω, max. Circuit capacitance 0.3 μF, max. Serial Port (RS-232) Annunciator port (RS-485) Performance class Class B and Redundant Class B Baud rate 9600 and 38400 Wire type Twisted pair, 6 twists per foot, min. Circuit length 4,000 ft. (1,219 m) Circuit resistance 90 Ω, max. Circuit capacitance 0.3 μF, max. Make: EST

Supply, Installation, Testing & Commissioning in repair of PS10-4B Power Supply board of existing Edwards Fire Alarm Panel (EST3x) 3X-SFS1R Red. SMPS Specifications : Mains voltage 94 to 264 VAC, 50/60 Hz AC Input Current : Standby 1.5 amps, Alarm 3.0 amps. Brownout level 93 VRMS Battery charging capacity 65 Ah max. Total Power : Voltage 24vdc Standby Current : 88mA Alarm Current : 169mA Supply Ratings : Current 10 amps (UL), 9.0amps (ULC). Output voltage: Special: 24 Vdc, Regulated: 24 Vdc Output current Special: 3 amps, Regulated: 1.5 amps. Operating environment : Temperature 32 to 120 °F (0 to 49 °C) Relative humidity 0 to 93% noncondensing. Make: EST.

Supply, Installation, Testing & Commissioning in reapir of 4X-LCD Display unit of EST3x fire alarm panel with below specifications: Operating current:Standby Alarm 55mA 66mA LCD display Backlit liquid crystal display 240 x 320 pixels 24 lines of 40 characters Operating environment Temperature Relative humidity 32 to 120 °F (0 to 49 °C) 0 to 93% noncondensing. Make: EST.

Supply, Installation, Testing & Commissioning in reapir of Loop card 3-SDC1 of EST3x fire alarm panel with below specifications: Voltage 24 VDC Operating current with fully loaded loop: Standby 3-SSDC1 144 mA; 3-SDDC1 264 mA Alarm 3-SSDC1 204 mA; 3-SDDC1 336 mA Smoke power 19.95 VDC max.1 Circuit: Configuration Class B, Style 4, DCLB; Class A, Style 6, DCLA Capacity 125 Signature Series detectors and 125 Signature Series modules per SLC Resistance 100 Ω with 250 devices Capacitance 0.5 μF max. Wire size 12 AWG (1.5 mm²) max. Termination Removable plug-in terminal strips on the SFS1-CPU main board and Signature module Operating environment Temperature 32 to 120 °F (0 to 49 °C) Relative humidity 0 to 93% noncondensing. Make: EST. complete all as specified and directed.

Supply, Installation, Testing & Commissioning in repair of Sounder G1AVRF with below specifications: Sounder with mounting base, continuous normal operation for atleast 50 minutes with sound level 65db- 120db measured at 1.5m with sound output variation +5db complying with the specifications as appended below:- a) Power-12/ 24 V DC or 110 /220V AC, 1Ph, AC, 50Hz b) Range-1000 m. Make: EST/GST/Morley IAS

Supply, Installation, Testing & Commissioning in repair of 3X-NET Network Card with the ability to network up to 64 nodes on an EST3 network. The card must support Class B, Class A, and Class X wiring.The 3X-NET adapter card provides two independent RS 485 circuits: one for network data communications and one for digital audio communications complete all as specified and directed. Make: EST

Supply & Fix in repair 12V/7AH SMF Battery for backup in case of power failure complete all as specified and directed. Make : Exide/Solance/Amaron.

Taking out existing ESD (Electro static discharge) plate of any size from fixed in wall and refixing it with PVC/Fiber insulators making good the damaged wall and compliting the job complete all as specified and directed.

Anil Builders (BID ID -3045992)