CA NO CWE/AMB/UTILITY-55 OF 2024-25 PROVISION OF SERVO STABILIZER 100 KVA AT NFS TRANSMISSION NODE AND BLDG NO P-73 AND PROVISION OF BACKUP DG SET FOR SECURITY LIGHTS OF SINGLE OFFR ACCN AT KOM UNDER GE(UTILITY) AMBALA CANTT

Amount

Supply install, testing and commissioning of Servo control voltage stabiliser Capacity 100 KVA (Conforming as per BIS 9815: Part-1 1994 (Second Revision reaffirmed 2019) 3-phase, 50 Hz, Naturally Oil Cooled, outdoor Unbalanced Type, copper wounded. Digital Display Type Relay, Free smooth and silent on operation, Floor mounted, with castor wheels with 1st filling of Transformeroil (IS335:1993 reaffirmed 2005) including fixing of stabilizer complete all as specified and directed. The following specification - (a) Servo Controlled technology. (b) Type- Three Phase indoor type, unbalanced supply, unbalanced load. (c) Oil Cooling type. (d) Testing As per IS:9815 and IS 2026. (e) Input voltage 300V-480V Phase to pnase. (f) Out put voltage-415+/-5% (g) Frequency 50Hz+/-5%. (h) Metering-Digitally Micro processor basedor as per ground requirements. (i) Efficiency- Not less than 98%. (j) Response time - less than 10 milli seconds. (k) Sensitivity /-) 1%. (l) Insulation Resistance (IR)- More than 10MegaOhms at 500 V DC (m) Protections provided- Over load Short circuit protection, High/low voltage cutoff, bypass arrangemen, single phase preventor (n) No load losses less than 0.5%. (o) Full load losses less than 2.5% (p) Duty cycle continuous 24 x 7. (q) Speed of correction not less than 6 Volt/Sec

Material and labour for earthing with galvanised earth plate electrode 600mm x 600mmx 6.00mm thick surrounded by charcoal and salt, buried directly in ground vertically in a pit of depth not less than 2.25m below ground level with top edge of the earth plate not less than 1.5m below normal ground level, connected to 25x4 mm GI strip earth lead by means of bolts, nuts, checks nut and washers made out of galvanized iron or steel, earth wire protected by galvanized steel pipe 40mm dia (light grade) and connected to main switch or main control board all as shown in electrical plate No.3 of SSR Part-I & including necessary excavation and earth work. The rate also include charcoal & salt in alternate layers, 20mm dia GI pipe (light grade) for watering and 40mm GI protection pipe, funnel, wire mesh, cast iron cover and frame etc, including testing on completion, complete all as specified and directed Notes : (i) The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire wesh, RCC cover, etc. complete. RCC cover shall be 50mm thick in 1:2:4 type B-1 using 8mm bars @10cm c/c both way. (ii) The quoted rate shall include the cost of earth pit covers to be conspicuously marked of plate with stand grouted in PCC. (iii) On testing after completion if the desired earth resistance is more than 2 ohm the earthing will be redone at no extra cost.

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with aluminium conductor, 1100 Volts grade, cross sectional area 95 Sqmm 3.5 core, suitable for 1.1 KV earthed system, in trenches, floors, ducts passing through pipe for road crossing etc, including connecting and testing,complete all as specified and directed. Note : Excavation, earth work, cable cover protection, sand cushioning and GI pipe etc shall be measured & paid for separately.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation, shafts, man holes,for under ground cable / erection of poles,locating fault of LT cable and stay assembly etc not exceeding 10 Square metre on plan and getting out in soft/loose soil including dressing/trimming of sides and leveling, grading and ramming of bottom of excavation complete all as specified and as directed.

Returning, filling in, in soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick of any description, complete, all as specified and as directed.

Removing excavated material/soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Material and labour for Sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cms deep after laying the cable (punned down to 18 cms depth after laying and stretching of cable ) complete all as specified and as directed.Note:- Punned thickness 18cm shall be measured for payment purposes.

Supply and laying sub class 'B' bricks for covering to under ground cable laid flat transverselly width equal to the length of the cable complete all as specified and as directed.

Supply and fixing onload change over switch 415 volt in sheet metal enclosures 4 pole of capacity 160 Amps complete all as specified and as directed.

Material and labour for outdoor end termination heat shrinkable joint 1100 volt for XLPE cable of size 70 to 120 Sqmm 3.5 core with jointing material and accessories fixed as per manufacturer instruction complete all as specified and directed.

Supply, installation, commissioning and Testing of GREEN SILENT DG SET comprising of water cooled Diesel Engine COMPLIANT CPCB NORMS IV+ as per IS : 10001 / 10002 developing min 56 BHP @ 1500 RPM and of capacity min 40 KVA with same make Alternator as per IS : 13364, rated at 3 Phase, 415 Volts, 50 Hz; 0.8PF @ 1500 RPM both mounted, and aligned on a common MS base frame complete with MS Fuel Tank, Manual Control Panel, Residential Exhaust Silencer, AVM Pads fitted on base frame, including 01 No. 12 Volts maint free DC Battery with Battery Leads, 1st fill of Lube Oil and Coolant, with REMOTE MONITORING SYSTEM, all housed in Sound Proof Acoustic Enclosure complete all as specified and directed by Engr-in-Charge. Make: Kirloskar (KOEL) Engine Model 3R1190ETA 4G1 or equivalent of Makes as specified in tender docus. (A) DIESEL DRIVEN ENGINE .Developing a net directed output 56 BHP or nearest higher suitably marked with alternator to give a net directed output of 40 KVA (32 KW). The engine shall be capable of delivering the required output at 1500 RPM, Water cooled, Electric Start, three cylinders conforming to ISO 8528-1 and IS:10001/10002 under NTP conditions with provision of 10 % overload capacity for one hour in every 12 hours or conforming to latest BS, ISO or IS including comprising of following :-

(i) IP 23 protection with H class insulation. (ii) Permissible overload of 10% for one hour in 12 Hour operations (iii) Automatic voltage regulator (AVR) - Fast response electronic Type. (iv) PMG fitted. (C) MANUAL CONTROL PANEL : Cubical, indoor type made out of CRCA sheet of 2 mm thick confirming to IS 8623 totally enclosed, dust and vermin proof , 415 volts, 3 phase, 4 wire, AC 50 Hz having copper bus bar of capacity as required to carry current at 110% load of 40 KVA DG Set with three phase and neutral duly colour coded, pre wired with copper cable of suitable size and suitable MCCB etc all as per standard practice of manufacturer specifications. (D) BASE FRAME: Engine and Alternator directly coupled on a common channel iron fabricated base frame with predrilled holes. (E) FUEL TANK : Daily service fuel tank of capacity as per manufacturer recommended,fabricated from 14 SWG sheet metal and integrated in base frame of acoustic enclosure complete with drain valve, level indicator,lid with hinges including locking system,inlet and outlet connection.

(F) ACOUSTIC ENCLOSURE: Enclosure be designed for reducing the sound level 75-5db (Average) as per ISO 8528 part 10 as per approved CPCB norms. The accoustic enclosure must consists of following :- (i) CRCA sheet with Body 16 SWG and Roof 14 SWG thick. (ii) Base frame be fabricated of ISMC channel or in sheet metal, base frame will be prime coated and painted. (iii) Enclosure be powder coated. (iv) Insulated rock wool fire retarded/non igniting and noise reduction type, properly clamped and shall be provided on all doors, roof and sides to absorb noise. (v) Special designed stainless steel door locks and door hinges. (G) Plinth for DG set as per OEM specification.

NOTES : (i) The panel will be complete with internal wiring with suitable size of copper cable. (ii) The panel shall be duly tested and comply with CPRI test standard. (iii) DG set shall be placed on PCC Platform of suitable size, minium one meter extended all around the DG set. Height of platform from ground level shall be minimum 400 mm and depth below GL shall be minimum 200 mm. Platform shall be provided over 100 mm thick hard core. Cost of PCC platform including hard core, finishing with plaster and earth work etc shall deemed to be included in quoted rate of item. (iv) Tools shall be supplied as per manufacturer instruction and cost thereof shall be included in the cost of DG set. (v) The DG set and acoustic enclosure shall be complete one unit and it shall be installed as one complete set. (vi) Fuel tank shall be inside the canopy. (vii) Exhaust fan shall be provided of suitable capacity, as approved for proper ventilation. (viii) Exhaust pipe shall be properly insulated. (ix) Thermostat switch inside the acoustic enclosure shall be provided to shut off the DG set in case temperature increases beyond 70 Degree centigrade inside the acoustic enclosure. (x) There shall be windows in the acoustic enclosure suitable located to read the meters of various controls from outside. (xi) Necessary grouting mild steel nuts, bolts, washers etc and anti vibration pad shall be provided by the contractor.

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with aluminium conductor, 1100 Volts grade, cross sectional area 70 Sqmm 3.5 core, suitable for 1.1 KV earthed system, in trenches, floors, ducts passing through pipe for road crossing etc, including connecting and testing,complete all as specified and directed. Note : Excavation, earth work, cable cover protection, sand cushioning and GI pipe etc shall be measured & paid for separately.

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with aluminium conductor, 1100 Volts grade, cross sectional area 25 Sqmm 4 core, suitable for 1.1 KV earthed system, in trenches, floors, ducts passing through pipe for road crossing etc, including connecting and testing,complete all as specified and directed. Note : Excavation, earth work, cable cover protection, sand cushioning and GI pipe etc shall be measured & paid for separately.

Material and labour for Boring of holes under road, pavement, hard standing of any material and description, by trench less technology using ultra sound technique or manual boring including providing HDPE pipe of 150mm dia suitable for 0.4 mpa working pressure including make good disturbed surfaces with CM 1:4/ interlocking tile/chequered tiles as per existing complete, all as specified and as directed.

M & L for cutting road/PCC of any type and make good with PCC 1:3:6 of 100 mm thick after necessary laying of pipe and cable complete all as specified and directed.

Material and labour for earth continuity strip 32x6 mm galvanised iron strip complete all as specified and directed.

Supply and fixing of TPN Vertical Type Distribution Board, IP-43 protection, fitted with bus bars, neutral links, blanking plates suitable to fix MCCB 63 Amp , 4P, 16/18 KA(with out MCCB), 415 volts, 4 way double door type, grouted in wall in cement mortar 1:3 and making good of disturbed surface and matching with existing surface including complete all as specified and directed.

Supply and fixing MCB TP 25-63 Amp, 415V ,10KA 'B' curve complete with connection testing and commissioning complete all as specified and directed.

M & L for UG cable route indicator made out of 100 mm dia MS plate with 20 mm dia 50cm long MS bar as legs for writing LT and name of feeder fixing with and including necessary PCC 1:2:4 in grouting route complete all as specified and directed.

Material and labour for earthing complete galvanised earth plate electrode 600mm x 600mmx 6.00mm thick surrounded by charcoal and salt, buried directly in ground vertically in a pit of depth not less than 2.25m below ground level with top edge of the earth plate not less than 1.5m below normal ground level, connected to 32 x 6 mm GI strip earth lead by means of bolts, nuts, checks nut and washers made out of galvanized iron or steel, earth wire protected by galvanized steel pipe 40mm dia (light grade) and connected to main switch or main control board all as shown in electrical plate No.3 of SSR Part-I & including necessary excavation and earth work. The rate also include charcoal & salt in alternate layers, 20mm dia GI pipe (light grade) for watering and 40mm GI protection pipe, funnel, wire mesh, cast iron cover and frame etc, including testing on completion, complete all as specified and directed Notes : (i) The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire wesh, RCC cover, etc. complete. RCC cover shall be 50mm thick in 1:2:4 type B-1 using 8mm bars @10cm c/c both way. (ii) The quoted rate shall include the cost of earth pit covers to be conspicuously marked of plate with stand grouted in PCC. (iii) On testing after completion if the desired earth resistance is more than 2 ohm the earthing will be redone at no extra cost.

Material and labour for sub main wiring with two single core, 4 sqmm, FRLS-H, 1100 volts grade, ISI marked, with multistranded, PVC insulated unsheathed copper conductor cable, drawn in and including rigid non metallic PVC conduit, medium grade, not less than 25 mm dia, ISI marked for housing cables, concealed in wall or ceiling including cutting chasing and making good, with accessories with and including one additional 4 sqmm, PVC insulated, stranded copper conductor, FRLS-H, green colour for earth continuity conductor connected to common earth dolly complete all as specified and as directed. Notes- (i) Three runs of 4.0 sqmm cable and one run of concealed conduct shall be measured as one unit. (ii) Thimble/lugs of rating of MCB should be used with wire for fixing in the MCB.

Supply and fixing of MCCB, 4P, rated current 63 Amp, breaking capacity 16/18 kA thermal magnetic type and making electrical connection, complete all as specified and directed.

Supply and fixing MCB SP 5-32 Amp 240V, 10 KA 'B' curve fixed in the MCB DB complete with connection testing and commissioning complete all as specified and directed.

Material and labour for earthing complete with galvanised earth plate electrode 600mm x 600mmx 6mm thick surrounded by charcoal and salt, buried directly in ground vertically in a pit of depth not less than 2.25m below ground level with top edge of the earth plate not less than 1.5m below normal ground level, connected to 4.00 mm wire earth lead by means of bolts, nuts, checks nut and washers made out of galvanized iron or steel, earth wire protected by galvanized steel pipe 15mm dia (light grade) and connected to main switch or main control board all as shown in electrical plate No.3 of SSR Part-I & including necessary excavation and earth work. The rate also include charcoal & salt in alternate layers, 20mm dia GI pipe (light grade) for watering, protection pipe, funnel, wire mesh, RCC cover etc, complete, all as specified or indicated and as directed including testing on completion complete all as specified and as directed. Notes :- (i) The unit rate shall also included for earth work in hard/dense soil, PCC (1:3:6) type C1 chamber, RC 1:2:4 type B-1 cover 50mm thick reinforced with 8mm dia CTD bars @ 150mm c/c both ways, funnel with GI watering pipe 20mm dia light grade, GI protection pipe light grade 15mm dia and wire mesh complete, specified on Sl Page No 389 of SSR Part-II.(ii) Earthing lead and GI protection pipe beyond 7.5m will be measured and paid separately. (iii) The quoted rate shall include the cost of earth pit covers to be conspicuously marked of plate with stand grouted in PCC.(iv) On testing after completion if the desired earth resistance is more than 5 to 10 ohm the earthing will be redone at no extra cost.

R D Bansal (BID ID -3192103)