REAPIR/ MAINT/ REPLACEMENT OF STREET/ SECURITY LIGHTS, SOLAR SECURITY LIGHT AND CONNECTED WORKS AND ANNUAL MAINT CONTRACT (AMC) FOR EARTHING INFRASTRUCTURE AND ALLIED WORKS AT AF STN NAJAFGARH UNDER GE (AF) TUGHLAKABAD

Amount

Excavation in trenches in soft/loose soil, n.exc 1.5 mtr wide and n.exc 1.5 mtr deep and getting out in soft/loose soil for laying of cable/foundation of pole and stay etc in complete all as specified and directed by Engr-in-charge.

M&L for sand cushioning in trenches for protection of LT underground cable including watering and consolidation complete all as specified and directed by Engr-in-charge.

Supplying and laying un-reinforced precast concrete cable cover, Class LV, Type I, flat, size 250 mm X 150mm X 40mm complete all as specified and directed by Engr-in-charge.

Removing excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above ground level from starting point complete all as specified and directed by Engr-in-Charge.

Returning filling including spreading, levelling, watering and well ramming in layers n.exc 25 cm complete all as specified and directed by Engr-in-Charge.

M&L complete for drilling hole under hard standing /road for laying of pipe for protection of cable etc by means of mannual buckle and without disturbing the top surface and making good the disturbed surface if any complete all as specified and directed by Engr-in-Charge.

Supply and laying in replacement of GI tube light grade 40 mm bore complete all as specified and directed by Engr-in-charge.

Supply and laying in replacement of GI tube light grade 80 mm bore complete all as specified and directed by Engr-in-charge.

Taking out old serviceable /unserviceable underground cable of any size from excavated trenches /pipes complete all as specified and directed by Engr-in-charge. Note: Earth work, segregating cable cover measured separately.

Supply and lay or fixing or passing through pipe cable XLPE (FRLS) with aluminium conductor with heavy duty stranded 1100 volts size of 6 Sqmm 2 Core complete all as specified and directed by Engr-in-charge. Note:- XLPE insulated PVC sheathing (heavy duty) armoured cable with aluminium conductor for working pressure up to and including 1100 volts to IS-7098 (Part-I) for PVC insulated cables with following features (a) Cable shall have fire retarded low smoke (FRLS) compound added to it in the out sheathing as per IEC 754(part-I) IEC-60332 part-2 IFEE 383 ASTM 2x43 and ASTM 2X63 flame retardant compound (PR) as per EIC specification. (b) Inner sheathing shall be of extruded PVC. (c) Heat resisting PVC shall also be added to extrude inner and outer sheathing (d) Cable shall also be supplied with sequences hall marking at every meter as the outer sheathing. (e) Ultra violet radiation resistances compounded comprising ton ASTMG-53. (f) Anti rodent and ant termite compound added (g) PVC compounds of various grades as IS-5831 (h) compaction conductors shall be shaped and arrangement for the same with be on the cable.

All as per item No. 10 here-in-above but size 25 Sqmm, 4 Core complete all as specified and directed by Engr-in-charge.

All as per item No. 10 here-in-above but size 70 Sqmm, 4 Core complete all as specified and directed by Engr-in-charge.

All as per item No. 10 here-in-above but size 150 Sqmm, 4 Core complete all as specified and directed by Engr-in-charge.

Taking out old unserviceable street / flood light fitting of any capacity from existing pole complete all as specified and directed by Engr-in-Charge.

S&F of LED security/street light fitting 1 X 30 W LED 5700K energy saving & environmental friendly long life versatile pressure die cast aluminium housing with acrylic cover as diffuser with IP 66 protection and impact resistance of IK 07 luminaire with high power LEDs as light source and electronic driver suitable for pole dia 40 mm including 45 mm dia light grade tube bracket, bend to shape 1.80 mtr length with two Nos clamp of size 50mm x 6 mm with nut, bolts, washers etc including connection with 1.5 Sqmm two single core PVC insulated and PVC sheathed cable stranded Copper conductor upto ceiling rose and fixing on walls/pole complete all as specified and directed by Engr-in-charge.

All as per item No. 15 here-in-above but 60 watt complete all as specified and directed by Engr-in-charge.

All as per item No. 15 here-in-above but 90 watt complete all as specified and directed by Engr-in-charge.

M&L of JETA IRIS 160 W energy saving, environmental friendly, long life exclusive innovative die-cast aluminium IP66 flood light with high power LEDs as light source, suitable for highlighting architectural features or retail spaces complete all as specified and directed by Engr-in-charge.

All as per item No. 18 here-in-above but 210 watt complete all as specified and directed by Engr-in-charge.

M&L in replacement of Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type410 SP-31 (9.0 metres long) including fixing complete all as specified and directed by Engr-in-charge.

S&F in replacement of non transparent looping SMC kiosks pole box 3 phase of size 310 x 210 x 120 mm made out of engineering plastic one piece moulding Siemens grey colour with hold fast including 4 Nos of aluminium strips 60 amp of required size fixed on unbreakable insulator and one No of single pole MCB 1 to 6 Amp, C curve complete all as specified and directed by Engr-in-charge.

M&L for preparation of old painted exposed surface of steel tubular LT poles 9 mtr long with street light brackets etc complete, painting and numbering of poles with existing size and type as under:- (i) from bottom up to 1.2 mtr height one coat of black synthetic enamel high glow paint. (ii) 1.2mtr to 1.30mtr height one coat of red & blue luminous paint/tape. (iii) 1.30 mtr height to top of the pole one coats of aluminium paint.

Taking down existing old LT panel board/ LT feeder pillar box comprising of MCCB & switch fuse unit of any capacity and size including bus bar, ammeters, voltmeters etc after disconnecting all cable connection and removing from site complete all as specified and directed by Engr-in-charge.

S&F of street light panel / feeder pillar box made out of MS/ CRCA sheet 3.15 mm thick with MS angle iron frame of size 40 X 40 X 6mm outdoor type front door opening with locking arrangement slanting roof and size of panel /feeder pillar box is 0.6m X 0.45m X 0.35 m without legs including necessary PCC cutting and fixing with PCC 1:3:6 of size 0.3m X0.3m X 0.2m for 04 Nos legs including necessary insulators and 04 Nos of copper bus bar of size 30mm x 5mm capacity, provn of inlet and outlet cables with glands and earth connection lead etc complete and connection of all incoming and outgoing cable using aluminium terminal sockets/lugs duly crimpled and necessary two coats of paints with approved colour and grade of first quality synthetic enameled paint over a coat of red oxide primer including necessary preparation of surfaces all as specified and testing complete of the following :- (i) S&F MCCB 4 pole415 volts 150 Amps 16 KA -01 No (ii) S&F modular indicator lamp LED type -01 set (R,B,Y) (iii) S&F timer switch type Alpharex 3D -21 -01 No (iv) S&F 40 Amps TP power contractor (v) S&F 32 Amps TPN MCB -01 No (vi) S&F 6-32 Amps SP MCB -06. (vii) S&F single phase preventer -01 No

S&F in replacement of 2 HP, 3 phase 415 Volts, 50 Hz, 1500 RPM, IP-55 protection induction motor totally enclosed fan cooled with lower frame for operating of high mast light including suitable chain and rope arrangements with necessary connections complete all as specified and directed by Engr-in-charge.

Supply and jointing in replacement of indoor/outdoor cable end terminal joints/straight through heat shrinkable type complete suitable for aluminium conductor cable of size 50 Sqmm 3½ Core to 95 Sqmm 3½ Core complete all as specified and directed by Engr-in-charge.

All as per item No 26 here-in-above but for cable of size 120 Sqmm 3½ Core to 185 Sqmm 3½ Core complete all as specified and directed by Engr-in-charge.

All as per item No 27 here-in-above but for cable of size 240 Sqmm 3½ Core to 300 Sqmm 3½ Core complete all as specified and directed by Engr-in-charge.

Detecting the fault by fault locator machine of any size and type of HT/LT cable in Bani camp including excavation, jointing by skill electrician, filling of soil and make good disturbed surface complete all as specified and directed by Engr-in-charge. Note: Jointing material measured separate respective item.

Spray painting to LT panel board with two coat of synthetic enamel high glow paint Ist grade including preparation / cleaning of steel surfaces and welding work as required complete all as specified and directed by Engr-in-charge.

M&L in replacement of PCC 1:3:6 type C2 using 40 mm grade stone aggregate as in mass concrete for filling in foundation of stay/pole including necessary form work complete all as specified and directed by Engr-in-charge.

M&L in replacement of PCC 1:2:4 type B1 using 20 mm grade stone aggregate as in coping of electric pole including necessary form work complete all as specified and directed by Engr-in-charge.

S&F in replacement of aluminium thimble and lugs after disconnecting from panel / Pole box and taking down burnt cable from panel /pole box of different location and cutting out the burnt portion of cable and extended the cable from cable loop including excavation, filling of soil, preparation of cable including necessary connection and testing complete of following sizes :-

25 Sqmm 3.5 core 1100 volt grade

35 Sqmm 3.5 core 1100 volt grade

50 Sqmm 3.5 core 1100 volt grade

70 Sqmm 3.5 core 1100 volt grade

95 Sqmm 3.5 core 1100 volt grade

120 Sqmm 3.5 core 1100 volt grade

240 Sqmm 3.5 core 1100 volt grade

400 Sqmm 3.5 core 1100 volt grade

M&L in replacement of timer switch single phase inbuilt over-ride facility, high switching capacity, tamper proof sealing, analog & digital version daily /weekly programming, supply voltage 240 VAC, frequency 50/60 Hz and complete all as specified and directed by Engr-in-charge.

Supply & Fixing in replacement of power contactor 3 pole, 265 Amp 415 volt, 50 Hz with control rated operational current AC1, 415 V, type - HGS 265 complete all as specified and directed by Engr-in-charge.

Supply and fixing in replacement of power contactor 3 pole, 300 Amp 415 volt, 50 Hz with control rated operational current AC1, 415 V, type - HGS 300 complete all as specified and directed by Engr-in-charge.

Supply & fixing in replacement of On-Load Change over switch with advance neutral, front operated with sheet steel enclosure, 415 Volt, AC 50 Hz 400 Amp- 4 Pole complete all as specified and directed by Engr-in-charge.

Supply & fix in replacement of On-Load Change over switch with advance neutral, front operated with sheet steel enclosure, 415 Volt, AC 50 Hz 630 Amp- 4 Pole complete all as specified and directed by Engr-in-charge.

Supply & fix in replacement of Off-Load Change over switch side handle with sheet enclosure, 415 Volt, AC 50 Hz 400 Amp-4 Pole complete all as specified and directed by Engr-in-charge.

Supply & fix in replacement of Off-Load Change over switch side handle with sheet enclosure, 415 Volt, AC 50 Hz 630 Amp-4 Pole complete all as specified and directed by Engr-in-charge.

Taking out of U/S MCCB s of any type any capacity by disconnecting all electrical connections all as directed at site.

S&F of MCCB 4 Pole, 415 V, with Microprocessor release including necessary fitting arrangement & testing complete of following sizes:-

63 Amps 4 Pole breaking capacity 16 KA complete all as specified and directed by Engr-in-charge.

125 Amps 4 Pole breaking capacity 16 KA complete all as specified and directed by Engr-in-charge.

160 Amps 4 Pole breaking capacity 36 kA complete all as specified and directed by Engr-in-charge.

250 Amps 4 Pole breaking capacity 36 kA complete all as specified and directed by Engr-in-charge.

350 Amps 4 Pole breaking capacity 36 kA complete all as specified and directed by Engr-in-charge.

400 Amps 4 Pole breaking capacity 3 kA complete all as specified and directed by Engr-in-charge.

Supply & installation in replacement of Automatic Power Factor Correction (APFC) Panel for 3 Phase, 415 V & 50 Hz system of capacity 60 KVAR without incoming MCCBs made out of MS/ CRCA sheet 3.15 mm thick with MS angle iron frame of size 40 X 40 X 6mm outdoor type front door opening with locking arrangement slanting roof for suitable complete all as specified and directed by Engr-in-charge.

M&L in repairs of dismantling the strip from earth pit and testing of earth pit to be done as per fall of potential method mentioned in IS-3043 with digital earth resistance tester to check the healthiness of earthing system in and including replacement earth pit nut bolts with brass nut bolts as per required size and record should be kept on ledger duly signed by user representative, JE concerned and contractor and the same shall be submitted to Engr in charge for counter signature complete all as specified and directed by Engr-in-charge. Note: Testing of earth pit shall be done as and when required basis as directed by Engineer-in-Charge from time to time.

M&L in repairs of physical inspection for earthing health and to check the healthiness of earthing system whether the resistance under safe limits of resistance IF higher than the permissible then recharging of earthing should be done immediately with carbon based low resistivity compound 0.001 ohm meter recharging of existing earth pit by excavating soil up to electrode depth approx 10 feet by manual drilling (post hole) method and filling with backfill compound maintenance free earthing compound with 2 bags of 20 Kg to achieve desired resistance value less than 1 ohms in and including water up to top of the excavated bore, backfilling of earth pit, measuring the value after refilling pit and testing of earthing after recharging, reconnecting grounding electrode conductor and earth grid applying petroleum jelly etc. to bolted joints to minimise corrosion for the pipe earthing or plate earthing then gel should be used to lower down the resistance complete all as specified and as directed by Engr-in-charge. Notes : (i) In case of satisfactory results not found or results degraded during one year of recharging of the earthing, the same shall be made good / recharged again in order to have required test results within contract / Defect liability period without any extra cost to the department. (ii) Contractor will mark each earthing with CA No., date of recharging of earthing on MS sheet size 18"x12" x 1/8" with suitable mounting arrangement on wall or on ground duly painting blue over a coat of Red Oxide primer and letter/figures of words written with white colour. Quoted rate will be deemed to have been included the cost of the same.

S&F copper strip of size 32 mm x 6 mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictily not recommended by station HQ.

S&F copper strip of size 20 mm x 3.15 mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictily not recommended by station HQ.

M&L for copper brazing (welding) at site to connect loop copper earthing strip of any size after tightening by nut, bolt, washer, check nuts of brass complete all as specified and as directed by Engr-in-charge. Note: Copper brazing shall be done upto 20 mtr height. Necessary tool/plant and ladder required for working upto 20 mtr height shall be deemed to be included in the rate quoted for above item.

M&L for GI brazing (welding) at site to connect loop GI earthing strip of any size after tighten by nut, bolt, washer, check nuts, complete all as specified and as directed by Engr-in-charge. Note: GI brazing shall be done upto 20 mtr height. Necessary tool/plant and ladder required for working upto 20 mtr height shall be deemed to be included in the rate quoted for the item.

M&L for dismantling of old existing earthing PCC earthing pit with cover and S&F new polyplastic earth pit cover heavy duty with sign board triangular shape, making connection of earth strip including minor adjustment, construction of rectangular of size 0.75X0.75X0.50 (LXBXH) brick boundary alongwith necessary plastering work with specified colour coding around poly plastic earth pit cover, complete all as specified and directed by Engr-in-Charge.

M&L for installation of maintenance free Chemical Earthing with copper bonded earth rod of 17.2 mm dia, 3 meter long with suitable copper plate of 250 micron welded with necessary connections clamps including 2 X 25 kg backfill chemical compound complete all as specifed directed by Engr-in-Charge. Note : The pit shall be constructed in PCC 1:2:4 type B1 using (using 20mm grade stone aggregate) RCC slab shall be provided in RCC 1:2:4 type B-1 (using 20mm grade stone aggregate) 50 mm thick pit cover reinforced with 8mm dia TMT bars 75mm c/o both ways MS handle 12mm dia with good finishig as specified.

M&L in replacement of Earthing complete with galvanized mild steel earth plate electrode of size 600 mm X 600 mm X 6 mm buried directly in ground (in vertical position) earth pit not less than 2.25 mtr deep below the normal ground level with the top edge of the earth plate not less than 1.5 m (B.G.L.) and connected to GI earth strip 32X6 mm dia GI earth wire as earth lead by means of bolts, nuts, check nuts and washers of galvanized iron including PCC (1:2:4) type B-1, precast RCC cover slab with suitable handle made of 12 mm round bar including necessary excavation & earth work in any type of soil, 20 mm dia medium grade galvanised steel tube for watering with one end fixed with cast iron funnel and wire mesh, 40mm bore light grade galvanised steel tubing upto 7.5 mtr length for drawing earth lead wire protection common salt, charcoal etc complete all as shown in EP No 3 of SSR Part-I 2009 and testing on completion and dismantling old one complete all as specified and directed by Engr-in-charge.

Supply & Laying of Aluminium strip 25 x 3.15mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictily not recommended by station HQ.

Supply & Laying of Galvanized iron strip 32 x 6 mm for roof conductors and down conductors above ground including PVC insulators of pasting with suitable heat resistant gum type solution complete all as specified and directed by the Engr-in-charge. Note : Any type of screw / fasteners / grouting materials are strictily not recommended by station HQ.

M&L for installation of maintenance free Chemical Earthing with copper bonded earth rod of 23.2 mm dia, 3 meter long with suitable copper plate of 250 micron welded with necessary connections clamps including 2 X 25 kg backfill chemical compound complete all as specifed directed by Engr-in-Charge. Note : The pit shall be constructed in PCC 1:2:4 type B1 using (using 20mm grade stone aggregate) RCC slab shall be provided in RCC 1:2:4 type B-1 (using 20mm grade stone aggregate) 50 mm thick pit cover reinforced with 8mm dia TMT bars 75mm c/o both ways MS handle 12mm dia with good finishig as specified.

S&F in replacement of test point terminal block made of gun metal or phosphorus bronze of size 75x75x25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screw fixed inside cubical shape enclosure made out of CRCA sheet 2 mm thick with front detachable cover, anodized screws, cap washers 4 Nos to be mounted on wall with wooden plugs and screws 4 Nos duly painted inside and outside by two coats of aluminium paint over a coat of primer over all dimension of enclosure 200x150x100 mm (depth) complete all as specified and directed by Engr-in-charge.

S&F in replacement of lightening conductor air termination, single pointed copper rod of 12 mm long including fixing of MS clamps with nuts, bolts and screws complete all as specified and directed by Engr-in-charge. Note : The PCC block shall be constructed in PCC 1:2:4 type B1 using (using 20mm grade stone aggregate) of size 200 X 200 X 200 mm including putting 15 mm dia GI medium grade pipe of 60 cm length for fixing the air termination with suitable locking system as specified.

S&F in replacement of lightening conductor air termination, single pointed aluminum rod of 12 mm long including fixing of MS clamps with nuts, bolts and screws complete all as specified and directed by Engr-in-charge. Note : The PCC block shall be constructed in PCC 1:2:4 type B1 using (using 20mm grade stone aggregate) of size 200 X 200 X 200 mm including putting 15 mm dia GI medium grade pipe of 60 cm length for fixing the air termination with suitable locking system as specified.

Repairs of earth pit cover including PCC (1:2:4) work, brick work and excavation and levelling/returning filling in of earth surface complete all as specified and directed by Engr-in-charge.

M&L in replacement of treatment of existing high resistance earthing pit by pouring of salt water solution made of 20 ltrs of water and 5 Kg of salt in the trench to be prepared all around the existing earth pit with radius 60 cm from the centre of the earth pit to the centre of the trench with a depth not less than 30 cm below ground level all as directed and specified by the Engr-in-charge and levelling/returning filling of earth surface complete all as specified and directed by Engr-in-Charge.

M&L in replacement of physical inspection & servicing for fire alarm system health and to check the healthiness of fire alarm system whether the testing and commissioning of intelligent addressable hooter cum strobe to provide audio visual indication of smoke or fire, testing and commissioning of intelligent addressable manual call point resettable type, testing and commissioning of intelligent addressable control module complete and conforming to EN 54, BS-5839 complete and testing and commissioning of intelligent analogue addressable monitor module complete and conforming to EN 54, BS-5839 complete all as specified and directed by Engr-in-Charge.

Supply, install, testing & commissioning of intelligent analogue addressable smoke detector as per IS -11360 with certified EN-45 addressable type having capacity to detect smoke based on RLED and light sensing photo diode smoke based on shock resistant thermister, the detectors shall be programmable to match specific hazard profiles from control panel, The detectors shall have remote sensitivity measurement capacity with multi colour detector LED status and field cleanable chamber, The detector shall be dust and insect resistant and should use state of the art microprocessor circuitry with error check, detector self diagnostics and supervision programs complete all as specified and directed by Engr-in-Charge.

Supply, installation, testing and commissioning of intelligent addressable hooter cum strobe to provide audio visual indication of smoke or fire including necessary fittings complete all as specified and directed by Engr-in-charge.

M/s Prakash Enterprises (BID ID -3103807)

A N BUILDERS (BID ID -3119098)

AMIT ENTERPRISES (BID ID -3105151)

M/S HARINDER SINGH (BID ID -3103343)

Haryana EngineerService (BID ID -3099641)

M/s R P Enterprises (BID ID -3118977)