REPAIR/ MAINT/ REPLACEMENT OF STREET/ SECURITY LIGHT, 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.

Supply and laying well burnt sub class ‘B’ bricks, locally available of size 23x11.5x7.5 CM (+_8% tolerance) in trenches for protection of underground cable 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 manual 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 laying and testing XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade 4 Sqmm 2 core, cross sectional area complete all as specified and directed by Engr-in-charge. Note:- (i) Excavation and earth work shall be measured and paid for separately. (ii) Thimble for cable termination on Junction box/ panel as required should be included in this rate .

All as per item No. 10 here-in-above but size 10 Sqmm, 4 Core .

All as per item No. 10 here-in-above but size 16 Sqmm, 4 Core .

All as per item No. 10 here-in-above but size 25 Sqmm, 4 Core .

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

Supply and fixing in replacement energy saving LED street light of 35 Watt Capacity high pressure die cast alumuninum housing with seal toughened glass cover, light source should be multi LED SMD system efficacy should be minimum 110 lumen/watt cool/warm as per site requirement ,voltage range 120 -220 Volts IP -66 THD Less than 10% surge protection minimum 5KV with flash indication, driver should be potted / CE certified/Rectification and Driver efficiency 85% including making connection complete all as specified and directed by Engr-in-charge.

All as per item No. 15 here-in-above but 60 watt.

All as per item No. 15 here-in-above but 90 watt.

Supply and fixing in replacement energy saving LED Flood light/ high bay light of 100 Watt Capacity high pressure die cast alumuninum housing with seal toughened glass cover, light source should be multi LED SMD system efficacy should be minimum 100 lumen/watt cool/warm as per site requirement, voltage range 120 -220 Volts IP -66 driver should be potted / CE certified/ Rectification and Driver efficiency 85% including making connection complete all as specified and directed by Engr-in-charge.

All as per item No. 18 here-in-above but 170 watt.

All as per item No. 18 here-in-above but 210 watt.

Supply and erecting in true vertical position steel tubular swaged pole 09 mtr long type 410 SP-31) complete with base plate and bracket fixed at top , painted internally throughout and externally up to the embedded depth with two coats of black bituminous paint and remaining external portion with two coats of aluminium paint over a coat of red oxide primer including providing 30cm wide alternate strips with sky blue and white synthetic enamel paint upto 1.2m high from ground level including excavation work (1.5*0.6*0.6 mtr) and PCC (0.6*0.6*1.5 Mtr) for erecting electric pole of length 9 mtr pole complete all as specified and directed by Engr-in-charge.

Supply and fix in repairs pole mounting junction boxes made out of SMC of size 250 x 200 x 105 mm (HxWxD) with 3 phase strip and 1 neutral strip, side hinged door fixed to the base with hinges suitable for 4 wire system including MCB SP 6 Amps 240 volts - 01 No, Shockproof and rustproof Cable entry from bottom and/or sides,100% weatherproof, including Pole mounting arrangement like clamps, nuts etc, Maintenance-free complete all as specified and directed by Engr-in-charge.

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 in replacement 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) MCCB 4 pole 415 volts 150 Amps 16 KA -01 No (ii) modular indicator lamp LED type -01 set (R,B,Y) (iii) timer switch type Alpharex 3D -21 astro -01 No. (iv) 40 Amps TP power contractor -01 No. (v) 32 Amps TPN MCB -01 No (vi) 6-32 Amps SP MCB -06. (vii) S&F single phase preventer -01 No

M&L for repair of gear assembly double drum winch type with pully and stainless steel wire rope to operate the symmetrically fitted lamps complete system of high mast light upto 16 mtr height and made it functional upto the entire satisfaction. Note : Cost of spare parts changed deemed to be included in the quoted rate.

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 27 here – in – above but for cable of size 120 Sqmm 3½ Core to 185 Sqmm 3½ Core – ditto-

All as per item No 27 here – in – above but for cable of size 240 Sqmm 3½ Core to 300 Sqmm 3½ Core – ditto-

Detecting the fault by fault locator machine of any size and type of HT/LT cable 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 for Plain Cement Concrete 1:2:4 type B-1 using 20mm graded stone aggregate for coping around poles, earth pit, including provision of necessary form work, finishing even and smooth without using extra cement including applying exterior emulsion paint (apex) complete all as specified and directed by Engr-in-charge.

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 electrical connection complete all as specified and directed by Engr-in-charge.

S&F 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.

S&F 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 only LED driver suitable for LED street light/flood light fitting as per site requirement of capacity upto 110 watt, complete all as specified and directed by Engr-in-charge.

Supply only LED driver suitable for LED street light/flood light fitting as per site requirement of capacity 120 to 150 watt watt, 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.

125 Amps 4 Pole breaking capacity 16 KA.

160 Amps 4 Pole breaking capacity 36 kA.

250 Amps 4 Pole breaking capacity 36 kA.

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 strictly 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 strictly 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 above 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 specified and 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 finishing 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 strip 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.

S & 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 strictly not recommended by station HQ.

S & Laying of Galvanised iron strip 32 x 6mm 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 strictly 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 specified and 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 finishing as specified.

S&F in replacement of test point terminal block made of gun metal or phosphorus bronze of size 75 x 75 x 25 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 200 x 150 x 100 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 installation, testing and commissioning of intelligent addressable Fire alarm control 2 loop panel complying with BS EN 54 of capacity from 99 detectors & 99 modules upto 200 detector and modules 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 HARINDER SINGH (BID ID -3349324)

MOHIT ENTERPRISES (BID ID -3349299)

M/s R P Enterprises (BID ID -3349356)

Mani Control System (BID ID -3350303)

M/s Prakash Enterprises (BID ID -3346721)

Ruchi enterprises (BID ID -3350308)