ANNUAL MAINTENANCE OF SWITCH GEARS AT PS-1 AND PS-2 AND VITAL AIRFIELD INSTALLATIONS AIR FIELD LIGHTING SYSTEM INCLUDING CERTAIN CONNECTED WORKS INSIDE TECHNICAL AREA OF AFS GWALIOR

Amount

Dismantling of air circuit breaker of capacity of 1250 Amps of any pole/make/model from the panel, checking, servicing, cleaning of breaker with CRC-226, removal of old grease and re-greasing with recommended grease, checking the condition of moving and fixed contacts, checking the tripping mechanism, tripping of ACB manually through voltmetric release, adjust freeness of DN and volt metric release trip rod, checking the proper tightening of hardware, checking the presence of all circlips, alignment of jaw contact with cradle terminals, checking the condition of ACB wiring, adjusting the gap between hylem sheet and side plate, checking the condition of arc chutes, under voltage relay, shunt release, auxiliary contact, checking the release by secondary injection for O/L, S/C, E/F, setting of release as per the load, Checking the healthiness of the CTs, complete all as specified and directed. Note:- Spares shall be measured and fwd separately under the appropriate item in the schedule as supply only.

All as per item 1 here-in-before but 800 to 1000 Amp capacity

M&L for rewiring of ACB with suitable copper wire as per existing including testing complete all as specified and directed.

Supply only following items suitable for ACB of any make and model of capacity 630 to 1250 Amp complete all as specified and directed.:- (a) Single phase polyester resin cast CTs of capacity 630/0.2A to 1250/2 Amp

(b) Compact UVT Coil upto 630-4000A for ACB of any make

(c) Shunt trip coil of any capacity for ACB of any make

(d) Door interlock for ACB of any make

(e) OCR (Fault) Alarm Switch suitable for ACB of existing make/capacity

(f) Trip indication switch (For manual tripping only)for ACB of any make

(g) 'Spring charged' indication switch for ACB of any make /capacity

(h) Position indicator switch for ACB of existing make/Capacity

(j) Main isolating contacts (Jaw contacts) of ACB draw out type of existing make/Model/capacity

(k) Drawout mould base (Cradle side) for ACB of existing make/capacity

(l) Main fixed contacts (Upper terminals) for ACB of existing make/model/capacity

(m) Lower terminals with fitting plates for ACB of existing make/capacity

(n) Circuit terminals/drawout terminals for ACB of existing make/capacity

(o) Main moving contact assembly for ACB of existing make/capacity

(p) Arc chutes for ACB of existing make/capacity

(q) Single pole unit for drawout type ACB of existing make/capacity

(r) Spring charge motor suitable for 630 Amp ACB

Supply and fix in repair MCCB, 4 poles, 160 Amps current rating and ultimate breaking capacity Icu = 26 KA with adjustable overload setting and having thermal magnetic release and to be fixed in the existing panel as per the existing make of ABB complete all as specified and directed.

Supply and fix in repair MCCB, 4 poles, 63 Amps current rating and ultimate breaking capacity Icu = 26 KA with adjustable overload setting and having thermal magnetic release and to be fixed in the existing panel as per the existing make of ABB complete all as specified and directed.

Supply and fix in repair MCCB, 4 poles, 32 Amps current rating and ultimate breaking capacity Icu = 26 KA with adjustable overload setting and having thermal magnetic release and to be fixed in the existing panel as per the existing make of ABB complete all as specified and directed.

Supply and fix in repair MCCB, 4 poles, 16 Amps current rating and ultimate breaking capacity Icu = 26 KA with adjustable overload setting and having thermal magnetic release and to be fixed in the existing panel as per the existing make of ABB complete all as specified and directed.

Supply, Install, Testing and Commissioning in repair CPRI approved cubical type LT Panel floor mounted out door type for 415V, 3 phase 4 wire system 50 Hz AC supply with Aluminium bus bar duly colour coded, for neutral supported with DMC/SMC insulators colour coded with heat shrinkable sleeve having short circuit current with stand minimum 21 KA for one second complete connection from bus bar to breakers with suitable copper cable , factory made fabricated with CRCA sheet totally enclosed, dust weather and vermin proof for outer shell and 3.15 mm thick with canopy , inner shell having TPN Aluminium bus bar rating 1.5 times that of controlling MCCB supported on SMC insulator with short circuit withstand capacity 35 MVA for 1 second, bottom base channel MS section not less than 100mm x 50mm x 5 mm thick, entire panel shall have a common copper earth bar of size 25mm x 5mm at the rear with 2 Nos earth stud, solid connection from main bus bar to switchgears with required size of copper wiring with minimum 1.5 Sqmm PVC insulated copper conductor cable , cable alleys, cable gland plates in two half , general construction confirming to IS-8623/93 and mounted on suitable PCC foundation for the complete panel base with follwoing detailed specification & control complete with suitable fixing accessories. Note: The cost of dismantling the existing LT panel is deemed to be included in the quoted rate.

OUTER SHELL:- The outer shell shall be made of 3.15 mm thick CRCA body & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vent gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armored cable of adequate size of glands. The dimension of the outer shell should be adequate to accommodate the inner shell described below 50 mm space all around and shall be fabricated in such a way that the complete inner shell with its control gears and accessories should be taken outside without disturbing the outer shell. The outer shell shall be mounted on a zinc metal-coated stand. Provision of threaded earthing studs at the bottom and lifting lugs of suitable size at the top to lift the feeder pillar box safely shall be made. Computer-cut self-adhesive vinyl danger notice plate having a conventional symbol of bone and skull shall be provided. The degree of protection of outer shell shall be IP-54. (A) Incoming:- (a) MCCB 4P,200 Amp, 36KA -01 No (Thermal magnetic type) (b) Indicating lamps for three phases - Qty 1 set of 3 Nos (c) Multifunction meter - 01 Nos (B) Outgoing:- (a) MCCB 4P, 100A, 16KA -03 Nos (Thermal magnetic type) Note:- The rate includes the cost of earthwork and PCC for grouting the panel with angle iron of size 50 x 50 x 6 mm, 90 CM below the ground level and 60 CM above the ground level.

Supply, Install, Testing and Commissioning in repair CPRI approved cubical type LT Panel floor mounted out door type for 415V, 3 phase 4 wire system 50 Hz AC supply with Aluminium bus bar duly colour coded, for neutral supported with DMC/SMC insulators colour coded with heat shrinkable sleeve having short circuit current with stand minimum 21 KA for one second complete connection from bus bar to breakers with suitable copper cable , factory made fabricated with CRCA sheet totally enclosed, dust weather and vermin proof for outer shell and 3.15 mm thick with canopy , inner shell having TPN Aluminium bus bar rating 1.5 times that of controlling MCCB supported on SMC insulator with short circuit withstand capacity 35 MVA for 1 second, bottom base channel MS section not less than 100mm x 50mm x 5 mm thick, entire panel shall have a common copper earth bar of size 25mm x 5mm at the rear with 2 Nos earth stud, solid connection from main bus bar to switchgears with required size of copper wiring with minimum 1.5 Sqmm PVC insulated copper conductor cable , cable alleys, cable gland plates in two half , general construction confirming to IS-8623/93 and mounted on suitable PCC foundation for the complete panel base with following detailed specification & control complete with suitable fixing accessories. Note: The cost of dismantling the existing LT panel is deemed to be included in the quoted rate.

OUTER SHELL:- The outer shell shall be made of 3.15 mm thick CRCA body & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vent gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armored cable of adequate size of glands. The dimension of the outer shell should be adequate to accommodate the inner shell described below 50 mm space all around and shall be fabricated in such a way that the complete inner shell with its control gears and accessories should be taken outside without disturbing the outer shell. The outer shell shall be mounted on a zinc metal-coated stand. Provision of threaded earthing studs at the bottom and lifting lugs of suitable size at the top to lift the feeder pillar box safely shall be made. Computer-cut self-adhesive vinyl danger notice plate having a conventional symbol of bone and skull shall be provided. The degree of protection of outer shell shall be IP-54. (A) Incoming:- (a) MCCB 4P,320A, 36KA -01 No (Thermal magnetic type) (b) Indicating lamps for three phases - Qty 1 set of 3 Nos (c) Multifunction meter - 01 Nos (B) Outgoing:- (a) MCCB 4P, 100A, 16KA -03No (Thermal magnetic type) Note:- The rate includes the cost of earthwork and PCC for grouting the panel with angle iron of size 50 x 50 x 6 mm, 90 CM below the ground level and 60 CM above the ground level.

All as per item No 11&12 Here-in-before with following switch gears as incoming and outgoing (A) Incoming:- (a) MCCB 4P,400A, 36KA -01 No (Thermal magnetic type) (b) Indicating lamps for three phases - Qty 1 set of 3 Nos (c) Multifunction meter - 01 Nos (B) Outgoing:- (a) MCCB 4P, 160A, 16KA -05 No (Thermal magnetic type) Note:- The rate includes the cost of earthwork and PCC for grouting the panel with angle iron of size 50 x 50 x 6 mm, 90 CM below the ground level and 60 CM above the ground level.

M & L in repair for earth pit of internal size 300mmx300mmx300mm with wall thickness 100mm casting at site with and including PCC base 500X 500X100mm made of PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) with 40 x 40 x 6mm mild steel angle iron frame for cover, pre cast 40mm thick RCC cover of (1:2:4) type B-1 (using 20mm graded stone aggregate), reinforced with 8mm dia TMT bars 3 Nos both way with 12mm dia MS round bar handle etc. including removal of old broken unserviceable earth pit from site complete all as specified & directed.

M & L in repair for earth pit cover, pre cast RCC (1:2:4) type B-1 using 20mm graded stone aggregate, 320mm x 320mm x 40mm thick, cover reinforced with 8mm dia TMT bars 3 Nos both way with 12mm dia MS round bar handle with and including necessary form work complete all as specified & directed.

M&L for Earthing complete for poles/ DBs with galvanised steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 m deep below normal ground level with top edge of earth plate, not less than 1.5 m below normal ground level, connected to galvanised iron earth lead of size 25x4 mm dia by means of bolts, nuts/check nuts and washers etc of galvanised iron, protected by galvanised iron pipe light grade 15 mm dia upto a length of 7.5 m away from earth electrode and connected to main switch/control board including necessary excavation & earth work in any type of soil and PCC 1:3:6 type C1 for earth chamber, 40 mm thick RCC cover slab 1:2:4 type B1 with 6 mm dia TMT Bars at 140 mm c/c both ways, watering pipe 20 mm dia light grade GI, funnel, wire mesh, lugs, charcoal and comman salt etc complete all as shown in Electrical plate No. 3 of SSR Part I and testing complete including removing unserviceable items complete all as specified and directed. Note:- The cost of excavating, PCC cable covers and earth pit is deemed to be included in the quoted rate.

Disconnecting & taking up or down existing serviceable / deshaped, aluminium / GI earth strips at any height of the building from 6m to 16m taking down conductors of any size and in any position, stacking properly the serviceable strips for re-use in the work including making good the disturbed surfaces to match with the existing surfaces complete all as specified and directed.

Supplying, fixing & connecting aluminium earth strip 25 mm x 3mm as in roof conductors / down conductor fixed on walls / roofs with saddels/epoxy insulator including screws required at site complete all as specified and directed.

Disconnecting, taking out, and removing old existing unserviceable underground, LT XLPE/PVC insulated Aluminium conductor cable of any description and in any position complete including taking down existing protection pipe, etc, for the following sizes from ducts/trenches / poles /pipes, etc complete all as specified and directed:- 35 Sqmm, 4 or 3 ½ core

50 to 95 Sqmm, 3 ½ core

120 to 400 Sqmm, 3 ½ core Note: Excavation returning refilling will be paid and separately under relevant items.

Re-laying, jointing and testing of serviceable retrieved LT cable from item No. 1 above (after thorough inspection of cable) XLPE / PVC insulated, armoured, heavy duty, aluminium conductor cable 1100 Volts grade of any description, laid in trenches/ducts, floors, fixed to walls etc. complete all as specified and directed for the following sizes :- Note: Excavation returning refilling will be paid and separately under relevant items.

16 Sqmm to 35 Sqmm, 4 or 3 ½ core

50 to 95 Sqmm, 3 ½ core

120 to 400 Sqmm, 3 ½ core

M&L for Supplying, Laying, jointing, and testing XLPE insulated, armored, heavy-duty, aluminium conductor cable 1100 volts grade, laid in trenches/ducts, floors, fixed to walls, etc. complete all as specified and directed for the following sizes :-. Note:- The cost of taking down the old unserviceable LT cable is deemed to be included in the quoted rate

35 Sqmm 3 ½ core

70 Sqmm 3 ½ core

95 Sqmm 3 ½ core

120 Sqmm 3 ½ core

150 Sqmm 3 ½ core

185 Sqmm 3 ½ core

240 Sqmm 3 ½ core

400 Sqmm 3 ½ core

Excavation in trenches n exc 1.5 mtr wide and n exc 1.5 mtr depth for foundation and laying of cable and getting out in any type soil etc complete all as specified and directed.

Sand cushioning and spreading clean, dry, fine river sand for UG electric cable in two layers (8 cm thick before laying the cable & 15 cm thick after laying cable) total 23 cm thick including gentle punning the sand upto 18 cm (total thickness) and consolidated around cable for protection of under ground cable complete all as specified and directed. (Note :- Only punned down thickness shall be measured for payment).

Returning, filling in, including spreading, levelling watering and well ramming in layers n.exc 25cm in soft/loose soil etc complete as specified and directed.

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

Supply & Laying PCC cable covers for protection of cable cover LV low voltage type -I flat ISI marked of size 250 mm x 150 mm x 40 mm complete all as specified and directed by Engr-in-charge. Make :- Mahatab/Ravi/Duracoat

Supply and fix in repair copper bus bar with PVC insulated color sleeves of suitable capacity and length as per existing at the site including nut bolts, and washers complete all as specified and directed.

Supply and fixing in repair Aluminium bus bar with PVC insulated colour sleeves of suitable capacity and length as per existing at site including nut bolts, washers complete all as specified and directed

M&L for fabrication/welding/Jointing work in existing LT Panel by providing new hinges in place of defective hinges, replacement of locking arrangement of external door, replacement of main door gasket, replacement of rusted sheet cover including cutting, bending, Welding/soldering and refixing properly at site. Servicing and maintenance of the panel by taking out the incoming connection and all outgoing connection and outgoing cables of the panel and fixing a fresh with proper crimping/taping, lux/connector, cable gland including doing all necessary wiring in the panel. Note -Excavation and earth work wherever necessary is deemed to be included alongwith the cost and MS Sheet will be measured and paid separately under respective item

Dismantling, taking down, and removing the old existing un serviceable non-functional / broken hinges of any description and in any position of existing feeder pillar boxes/panel boards, etc, and supplying and fixing new cold rolled medium weight mild steel hinges in position as per the existing requirement with necessary spot welding, screwing, etc including making necessary adjustment for free and smooth movement of panel and locking arrangements complete all as specified and directed.

Taking out old unserviceable insulator from LT panel boards, supply, fixing & testing conical/single bus bar system epoxy insulator including nuts, bolts and washers suitable for LT 415 Volts, 50 Hz AC supply for mounting of bus bars in LT panels/feeder pillar boxes complete all as specified and directed

Replacement of existing unserviceable/damaged part/portion of the existing feeder pillar box/ panel boards with supply and fixing new part or portion fabricated out of 3 mm thick MS sheet in position including making necessary adjustments and alignments to make the existing feeder pillar box/panel board body to required shape and size(s) and MS sheet painted both sides with two coats of synthetic enameled paint over a coat of red oxide primer with necessary filler coating complete all as specified ant directed.

Disconnecting and taking out old existing unserviceable Phase indicator lamps and supply, fixing, connecting, and, testing LED type Phase indicator lamp showing red, yellow, and green colours of 22.5mm dia fixed to monitor on LT panel board suitable for 240 Volts AC supply and making connections with using suitable size copper cables wires and lugs complete all as specified and directed.

M & L for preparation of old steel surfaces of steel/LT panel boards/feeder pillar boxes of size upto 1000mm x 1100mm x 450mm of any description & any position including removing disintegrated/detoriating part of paint and applying filler coat to obtain smooth surfaces and applying a coat of synthetic enamel paint using spray machine to obtain smooth finish to the entire satisfaction of Engineer-in-Charge complete all as specified and directed.

All as per items above but of size above 1000mm x 1100mm x 450mm less than 1300mm x 1450mm x 450mm complete all as specified and directed.

All as per item No 7 above do- but size of above 1300mm x 1450mm x 450mm complete all as specified and directed.

M&L Cable jointing kit for 1.1 KV cable for straight-through heat shrink type joint complete with jointing material and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 25 sqmm to 50 sqmm. complete all as specified and directed.

M&L Cable jointing kit for 1.1 KV cable for straight-through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70 sqmm to 120 sqmm complete all as specified and directed..

M&L Cable jointing kit for 1.1 KV cable for straight-through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 150 sqmm to 185 sqmm complete all as specified and directed.

M&L Cable jointing kit for 1.1 KV cable for straight-through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 240 sqmm. complete all as specified and directed.

M&L Cable jointing kit for 1.1 KV cable for straight-through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armored aluminum conductor cable of size 400 sqmm. complete all as specified and directed.

M&L boring of holes under road, pavement, hard standing by manually depth not less than 75 cm for insertion of GI Pipe of size 150 mm bore light grade for short length complete all as specified and directed. Note :- GI pipe 150 mm dia light grade shall be measured and paid separately under relevant item of Schedule 'A'.

Supply and fixing in the repair of GI Pipe 150 mm dia light grade for cable protection complete all as specified and directed.

M&L for Annual Maintenance of Servo Voltage Stabilizer of following capacity complete with Check transformer oil level & ensure its up to the mark, Tightened input out put cable ,Check and clear cable termination box for any foreign substance ( Ex Bird nest , lizards etc),Ensure stabilizer body & neutral connections are properly earthed,Check by increasing & decreasing voltage through control panel and replacing the defective spares and topping up of oil if required including half yearly preventive maintenance Checks and unlimited breakdown visits by qualified technician complete all as specified and directed.

Servo Controlled Voltage Stabilizer 300 KVA Capacity

Servo Controlled Voltage Stabilizer 100 KVA Capacity

M&L for Annual Maintenance of Isolation transformer of following capacity complete with Check transformer oil level & ensure its up to the mark, Tightened input out put cable , Check and clear cable termination box for any foreign substance ( Ex Bird nest , lizards etc),Ensure transformer body & neutral connections are properly earthed, and replacing the defective spares and topping up of oil if required including half yearly preventive maintenance Checks and unlimited breakdown visits by qualified technician complete all as specified and directed. Note: Topping up of Transformer Oil, replacement of defective spares like Control cards, gears etc are deemed to be included in the quoted rate.

Isolation Transformer 630 KVA - 01 Nos

Isolation Transformer 200 KVA - 01 Nos

Supply and fix in repair 5 pin and earth plug and socket 125 Amp capacity enclosed in a sheet metal enclosure with MCCB 125 Amp capacity complete as as directed

Taking down carefully the serviceable/unserviceable Air Field lighting system cable of size 06 sqmm 2 core sheathed and rectifying the fault that occurred with required jointing material and relaying the same complete all as specified and as directed Note: - 1. Necessary excavation/sand/refilling will be measured and paid separately 2. Necessary cable joints will be issued by the AF if required. 3. New cable if required will be issued by the AF and laying will be measured and paid separately.

Laying, jointing and testing of single core low tension AFLS cables (size up to 10 sqmm), laid in trenches/ duct/ floor including jointing with AFLS light isolation transformer placed across in RCC chambers @60m c/c distance towards Runway at the centre of the paved shoulder (minimum 1.5m away from cables being laid) complete all as specified and directed for existing Northern Runway and November Link. Note :- 1. AFLS cable with connector will be issued by the concerned section of the user. Collection and necessary transportation shall deemed to be included in the rate. 2. Endurance test / functional check after completion of above-mentioned work services has to be carried out jointly by the Air Force. 3. Insulation resistance test of the cable shall be carried out jointly by Air Force and the Contractor. 4. The cost of a full-blown exhaustive Engineering Drawing layout (qty - 02) with all markings and legends + bill of materials (6 ft X 3 ft with minimum 200 dpi, 200 dpi, colored) containing all the details is deemed to be included in the quoted rate.

M/s Anupam Construction Co.

M/S STEAD FAST

SHRI RAM CONSTRUCTION

M/S KAPIL CONSTRUCTION CO

M/S Amit Traders

M/s SIYA ENGINEERING CO