Renovation of Electrical Installations at Atomic Energy central School No.-5, Anushaktinagar, Mumbai-400094

Amount

GENERAL ABSTRACT

PART - A - Point Wiring & Associated works

PART - B - Lighting Fixtures & fans

PART - C- Cabling works

PART - D - Earthing & Miscellaneous works

Description of Work / Item(s)

Amount

Point wiring :-Providing point wiring for light / ceiling fan / 6A socket outlet / 16A socket outlet/water heater/A.C/bell points etc. with 1.1kV grade, FRLS PVC insulated multi stranded copper wires in existing 25mm dia. concealed conduit / existing 25 x 6 mm Casing capping, modular type controlling switches / socket outlets with readymade concealed type GI switch boxes with cover plate & frame, angle / batten/pendent lamp holders, 3-plate ceiling roses , PVC junction boxes , PVC round plates, terminal looping connector blocks, termination with suitable copper lugs at junction boxes/ceiling rose/switch boards, ferrule numbers on both sides of wires, 1.1kV grade FRLS PVC insulated copper conductor wires for earthing, labelling etc. all as per site conditions, specifications and as instructed by Engineer-in-charge. Scope shall also include providing the tags for wires inside casing capping for bunching to avoid hanging of wires at the intervals of 600mm. Note:1.) Circuit for fan point/ light point/ computer point shall be made with 1.5 sq.mm wires for Phase+Neutral+ Earth, from DB in shafts to switchboard & then to respective points. 2.) Circuit for power point shall be made with 2.5 sq.mm wires for Phase+Neutral & 1.5sq.mm wire for earth from DB in shafts to respective power points. 3.) Wiring layout arrangement and samples of switch boxes are to be got approved by EIC prior to procurement. 4.) All switches, sockets, fan regulators, cover plates & frame etc. shall be of white colour and other accessories like lamp holders, ceiling roses & doorbell etc. shall be of polycarbonate body and shall preferably ISI marked. Lamp holders shall be brass ring lamp holders. 5.) The dimensions of switches, sockets, and fan regulators shall preferably be ISI mark. 6.) HMS PVC sleeves will have to be provided for crossing walls, drilling holes & its refinishing to be also included in the scope. 7.) All metalic boxes/switch boxes shall be earthed with 1.1kV grade FRLS PVC insulated 1.5sq.mm copper flexible wire. 8.) Scope also includes cocealement of new GI switch boxes by breaking the brick wall, cutting the existing conduits if required, filling the leftover gaps in wall after placing the switchbox with cement mortar, bricks etc. finishing by applying white cement & touch up painting of that area by roller/brush etc. all as instructed by EIC. 9.) Providing temporary power supply during rewiring is also in the scope of work with suitable outlets, wires on plywood boards etc.

Primary Light point with 1.5 sq.mm wires complete with 6A, SP, 240V controlling switch.

Secondary Light point with 1.5 sq.mm wires complete with interconnection to primary light point.

Ceiling fan point with 1.5 sq.mm wires complete with 6A, SP, 240V switch.

Computer Point with 1.5 sq.mm wires complete with 8 module readymade company fitted Power strip having 3 nos. of 6A , 5 Pin universal socket outlets with 16A, 240V controlling switch with indicator.

6A socket outlet point with 1.5 sq.mm wires complete with 6A , 5 Pin universal socket outlet with 6A, SP, 240V controlling switch .

16A socket outlet point with 2.5 sq.mm wires complete with 6/16A, 240V, 6 pin socket outlet with 16A, SP, 240V controlling switch. (Shall have sufficient gap between switch & socket)

A.C point with 20 A metal plug & socket outlet with 4 sq mm. wires & 20A SP MCB in readymade powder coated MS enclosure.

Water heater point with 4 sq.mm wires complete with 32 A DP isolator in readymade powder coated MS enclosure.

Exhaust fan point with 1.5 sq.mm wires complete with 6A , 5 Pin universal socket outlet with 6A, SP, 240V controlling switch (loaction of socket and switch shall be as per layout drawing & site conditions).

Primary Electric bell point with 1.5 sq.mm wires complete with 6A, 240V modular type bell push including interconnection with existing bells.

Staircase & Passage Area wiring

Switches for Staircase & Passage : Supply, installation, testing & commissioning of 1 no. of 6A SP modular control switch with 1 module cover plate & frame, concealed readymade G.I switch box, as required and as per instructions of E-I-C. Note: Scope of work also includes 1.) Removal of old switchbox & cocealement of new switch box on the same place by breaking the brick wall, cutting the existing conduits if required, filling the leftover gaps in wall after placing the switchbox with cement mortar, bricks etc. finishing by applying white cement & touch up painting of that area by roller/brush etc. all as instructed by EIC. 2.) Dismantled switch boxes shall be taken away by the agency & credit for the same shall be included in the quoted rate.

Staircase & Passage Area wiring : Replacement of existing Aluminium wires in existing concealed / surface conduit with 3 nos. of 1.5 sq.mm FRLS grade 1.1 kV PVC insulated flexible multi-stranded copper wires including interconnection using terminal looping connector blocks, termination with suitable copper lugs at junction boxes/ceiling rose/switch boards, ferrule numbers on both sides of wires etc. as per site conditions and as instructed by Engineer-in-charge. Note: 1.) Dismantled wires shall be taken away by the agency & credit for the same shall be included in the quoted rate.

Dismantling : Dismantling of the old wiring & wiring accesories like switch, sockets, MCB's etc. including removal of all existing concealed switch boards, concealed DB's, cable end boxes etc. by breaking the wall, cutting the existing conduits if required, filling the gaps/knockouts with cement mortar and bricks, finishing by applying white cement, touch up painting of that area as per existing paint and shade by roller/brush etc. as required and as per instructions of E-I-C. Note: 1.) Credit for taking away dismantled Al. wires, switches, sockets, old switch boards , MCBs, DB's etc. shall be inlcuded in the quoted rates.

Distribution Boards

Main VTPN DB ( Ground Floor & First Floor Shaft) Supply, installation, testing & commissioning of readymade double door 12 way MCCB VTPN DB having IP43 protection complete with wiring kit, nuetral link, earth link etc., with following components as required & instructed by the Engineer-in-charge. a) 100A, 36kA, TPN, TMP MCCB as incomer - 1 No. b) 63A, 3P, MCB as outgoings - 12 Nos. c) Cable end boxes - 2nos. (Top & Bottom) Scope of work includes - 1.) Fixing of VTPN DB on wall with necessary accesories like bracket, fastners etc. 2.) DB acessories (like MCB's, RCBO's, MCCB), DB & Cable end boxes shall be of the same make so that no compatibility issue occurs. 3.) Uncovering the existing concealed conduits near DB by breaking the wall, cutting of existing conduits if required, interconnecting the existing conduits with cable end box using PVC coated flexible GI conduit with necessary connectors , filling the gaps/knockouts with cement mortar , finishing by applying white cement, touch up painting of that area as per existing paint and shade by roller/brush etc. (Lenght of flexible conduit shall be measured under item no.-7 of Part-D) . 4.) Providing Danger board, Schematic Diagram & Ferulle numbers etc.

Wing DB (Ground Floor & 1st Floor) Supply, installation, testing & commissioning of readymade double door 12 way ETPN DB having IP43 protection complete with wiring kit, PPI kit, nuetral links, earth link etc. with following components as required & instructed by the Engineer-in-charge. a) 63A, 4P MCB as incomer - 1 No. b) 63A, 2P, 30mA RCCB as sub incomers - 3nos. (1 per phase) c) 6-32A, SP, MCB as outgoings - 30 Nos. d) PPI conversion kit for ETPN 12 way DB - 1 no. e) Cable end boxes - 2nos. (Top & Bottom) Note: Scope of work includes : 1.) Conversion of DB into PPI DB by using PPI kit. 2.) Providing Danger board, Schematic Diagram & Ferulle numbers etc. 3.) Fixing of ETPN DB on shaft wall with necessary accesories like bracket, fastners (if required) etc. 4.) DB acessories (like MCB's, RCBO's), DB , Cable end boxes & PPI kit shall be of the same make so that no compatibility issue occurs. 5.) Uncovering the existing concealed conduits near DB by breaking the wall, cutting of existing conduits if required, interconnecting the existing conduits with cable end box using PVC coated flexible GI conduit with necessary connectors , filling the gaps/knockouts with cement mortar , finishing by applying white cement, touch up painting of that area as per existing paint and shade by roller/brush etc. (Lenght of flexible conduit shall be measured under item no.-7 of Part-D) .

ACDB in Shaft (Audio Visual Room, Computer Lab, Principal Wing): Supply, installation, testing & commissioning of readymade double door 8 way ETPN DB having IP43 protection complete with wiring kit, PPI kit, nuetral links, earth link etc. with following components as required & instructed by the Engineer-in-charge. a) 63A, 4P MCB as incomer - 1 No. b) 63A, 2P, 30mA RCCB as sub incomers - 3nos. (1 per phase) c) 6-32A, SP, MCB as outgoings - 18 Nos. d) PPI conversion kit for ETPN 8 way DB - 1 no. e) Cable end boxes - 2nos. (Top & Bottom) Note: Scope of work includes : 1.) Conversion of DB into PPI DB by using PPI kit. 2.) Providing Danger board, Schematic Diagram & Ferulle numbers etc. 3.) Fixing of ETPN DB on shaft wall with necessary accesories like bracket, fastners (if required) etc. 4.) DB acessories (like MCB's, RCBO's), DB , Cable end boxes & PPI kit shall be of the same make so that no compatibility issue occurs. 5.) Uncovering the existing concealed conduits near DB by breaking the wall, cutting of existing conduits if required, interconnecting the existing conduits with cable end box using PVC coated flexible GI conduit with necessary connectors , filling the gaps/knockouts with cement mortar , finishing by applying white cement, touch up painting of that area as per existing paint and shade by roller/brush etc. (Lenght of flexible conduit shall be measured under item no.-7 of Part-D) .

Computer Lab DB: Supply, installation, testing & commissioning of readymade double door 8 way ETPN DB having IP43 protection complete with wiring kit, PPI kit, nuetral links, earth link etc. with following components as required & instructed by the Engineer-in-charge. a) 63A, 4P MCB as incomer - 1 No. b) 40 kA/pole, 3P+N , Type-2 SPD - 1 No. (4 module) c) 63A, 2P, 30mA RCCB as sub incomers - 3nos. (1 per phase) d) 6-32A, SP, MCB as outgoings - 18 Nos. e) PPI conversion kit for ETPN 8 way DB - 1 no. f) Cable end boxes - 2nos. (Top & Bottom) g) Ready to use cabling kit for SPD consisting of 5 conductors (including the earth conductor) with Cross section of 16 sq .mm. Note: Scope of work includes : 1.) Conversion of DB into PPI DB by using PPI kit. 2.) Providing Danger board, Schematic Diagram & Ferulle numbers etc. 3.) Concealement of new readymade DB and cable end/wire way box in the place of existing DB with suitable fasteners by making suitable space as required for installation of new DB by breaking the brick wall, cutting the existing conduits if required, filling the leftover gaps in wall after placing the DB with cement mortar, bricks etc. finishing by applying white cement & touch up painting of that area by roller/brush etc. 4.) Scope also includes replacement of existing sub-main wiring of DB with 3 nos. of 10 sq.mm & 1 no. of 6 sq.mm Multistranded FRLS flexible copper wires in existing concealed conduit / existing casing capping from VTPN DB at "B1 wing Eelctrical shaft" on First Floor to Computer lab on first floor. 5.) DB acessories (like MCB's, RCBO's, SPD's), DB , Cable end boxes & PPI kit shall be of the same make so that no compatibility issue occurs.

Area Light DB: Supply, installation , testing & commissioning of readymade double door 20 way SPN DB having IP43 protection complete with wiring kit, nuetral link, earth link etc., with following components as required & instructed by the Engineer-in-charge.: i.) 32A, 2P , RCBO 30mA- 1No. (2 module) ii.) 40A, 2 NO power contactor -1 no. iii.) 32A, DP, two-way, with centre off, changeover switch -1 no. iv.) 6-32A SP MCB - 11 Nos. v.) Single channel Timer -1 no. vi.) 0.5A, D-curve, SP, MCB -1 no. vii) Cable end boxes - 1nos. (Top ) Note : a) Interconnection of power circuit shall be done with 6sq.mm FRLS flexible copper wires & heavy duty reducer type copper lugs etc. b) Scope also includes Providing Danger board , Schematic Diagram & Ferulle numbers etc. c) DB acessories (like MCB's, RCBO's, Timer) & DB shall be of the same make so that no compatibility issue occurs.

Supply, installation , testing & commissioning of 400A , 4 pole readymade ON Load Manual Changeover switch similar to cat no.- CO4-400 of M/s L&T make with fabricated IP 43 Enclosure & cable end box made out of 2 mm thick MS CRCA sheet duly powder coated with approved shade complete with rotary handle & all fixing accessories for fixing on wall as required & as instructed by engineer in charge. Note: Cable end box shall have sufficient space to terminate 3 nos. of 3.5C x 300 sq.mm Aluminium cable.

Description of Work / Item(s)

Amount

Lighting Fixtures : Supply, installation, testing & commissioning of following LED lighting fixtures, complete with interconnection to existing point wiring using 3 nos. of 1.0 sq.mm FRLS multistranded flexible copper wires with 4 way terminal looping connector block , termination with suitable copper lugs etc. as required & as per instruction of Engineer in charge. Note: 1.) Scope of work also includes dismantling & take away of existing light fixtures along with lamps. Credit for taking away dismantled materials shall be inlcuded in the quoted rates. 2.) The fixture got to be approved by department before manufacturing / supply. LED tube lamps shall have onsite replacement warranty of 2 years from date of supply. Warranty certificates shall be submitted to department. 3.) Batten & tubes shall be of the same make .

LED Tube light fixture (2xT) : Tube light fixture with readymade 2 x T box type batten with holders suitable for LED tubes, complete with 2 nos. of 4 feet, min. 2100 lumen, 6500K T-8 LED tubes having minimum efficacy of 115 Lm/W , with polycarbonate body , mettalic internal heatsink & THD<15%, including fixing on the positions of existing tube light fixtures with suitable GI screws etc. as required & as per instruction of Engineer in charge.

LED Tube light fixture (1xT) : Tube light fixture with readymade 1 x T box type batten with holders suitable for LED tubes, complete with 1 no. of 4 feet, min. 2100 lumen, 6500K T-8 LED tubes having minimum efficacy of 115 Lm/W , with polycarbonate body , mettalic internal heatsink & THD<15% including fixing on the positions of existing tube light fixtures with suitable GI screws etc. as required & as per instruction of Engineer in charge.

LED Tube light fixture with reflector for Black Boards (1xT) : Tube light fixture with ready made 1 x T box type batten with 20 SWG anodized aluminium half reflector & holders suitable for LED tubes, complete with 1 no. of 4 feet, min. 2100 lumen, 6500K T-8 LED tube having minimum efficacy of 115 Lm/W , with polycarbonate body, mettalic internal heatsink & THD<15% including fixing on the positions of existing tube light fixtures with suitable GI screws etc. as required & as per instruction of Engineer in charge.

Bulkhead fixture :- 700 lumen LED bulkhead lighting fixture having minimum efficacy of 100 lm/watt, cool white/neutral white colour temperature, diffused polycarbonate cover, pressure die cast housing having atleast IP65 & IK08 protection, fixing with suitable anchor fastner with align screw headed bolts on ceiling/wall as required & as per instruction of Engineer in charge.

Ceiling fan (BLDC) :- Supply, installation, testing and commissioning of 1200mm sweep BLDC ceiling fan confirming to IS 374/1979 (BEE certified) with remote controlled speed regulation with aluminium blades complete with 16 SWG safety chain & remote etc. as per technical specifications and as instructed by the Engineer-in-charge. Note: Scope of work also includes 1.) Dismantling of the exisitng ceiling fans and depositing the old fans in packed condition in the cartons of new celing fans to DCSEM store. 2.) Fabrication, supply & installation of 650 mm downrod made up of MS Pipe with inner dia. of approx. 15mm & outer dia. of approx. 19mm (as per the manufacturer standard) for installation of ceiling fan with 16 SWG safety chain of required length, including powder coating & drilling of holes as required . 3.) Interconnection with fan point using 3C X 1.0 sq.mm flexible FRLS multistranded flexible copper conductor chord , 4 way terminal looping connector block (in existing concealed JB) including termination with suitable copper lugs etc. 4.) Replacement of MS cover plate with fabricated 3 mm thick Acrylic round cover plate (Laser cut) for covering the fan junction box. Dimensions of acrylic plate shall be same as of the existing plates.

Exhaust fan : Supply, installation, testing & commissioning of following Heavy duty Exhaust Fans with necessary Aluminium framework (made out of 2 mm thick, 50x50 mm , 6063 grade Aluminium square tubes duly welded from all sides) including interconnection to existing exhaust fan point with 3C x 1.5 sq.mm Multistranded Cu. conductor FRLS PVC insulated flexible cable along with 3 pin plug top as requitred & as per instructions of EIC. Note: Scope of work includes : 1.) Fabrication , Supply & Fixing of Aluminium framework of suitable size on wall/window with necessary screws/nuts including making suitable provision in wall/existing window by breaking & chiseling the wall/window, cutting the existing conduits if required, filling the leftover gaps after placing the Aluminium framework with cement mortar, bricks etc. finishing by applying white cement & touch up painting of that area by roller/brush etc. all as instructed by EIC. 2.) Providing fan gaurd, made out of 16 SWG S.S. 304 spiral wires, from motor side for covering the fan blades with all SS Hardware as required & as per attached diagram. 3.) A sample of the frame & fan gaurd shall be submitted to the Dept. for approval before bulk manufacturing.

300 mm sweep , 1400 rpm Heavy duty Exhaust Fan having air delivery of atleast 1710 m³/h.

Fan hook:- Fabrication, supply & installation of ceiling fan hook made up of 100 x 100 mm square plate fabricated out of 8mm thick MS plate and "U" shape hook made up of 8mm MS rod duly welded with square plate, painted with two coats of synthetic enamel paint over one coat of red oxide paint including drilling holes in corners, fixing it by four nos. of anchor fastener of size min. 8 mm x 50 mm for suspension of ceiling fan, all as required and instructed by the Engineer-in-charge. Note: 1.) Sample fan hook shall be got approved by Dept. before bulk manufacturing of hooks. 2.) "U" hook shall be welded on both sides of the square plate.

Description of Work / Item(s)

Amount

4 C X 35 sq.mm Copper Cable : Supply, installation, testing & commissioning of 4 C x 35 sq.mm Copper cable having following specs: 1. Grade : 1.1 KV 2. Conductor: Multi Stranded Copper conductor 3. Insulation: XLPE (Cross linked polyethylene); Colours : Red, Yellow, Blue & Black 4. Inner sheath : Extruded PVC Type ST-2 as per IS: 5831 , Colour : Black 5. Aarmour : Single Layer of Galvanized Steel Flat Strip/Round wire 6. Outer sheath: Extruded PVC Type ST-2 as per IS: 5831 , Colour : Black

On wall/column/slab with 4-5mm thick hot dip G.I. flat/angle support as spacers at intervals of 300mm fixed with coach screws/anchor fasteners/grouted in wall & 2mm. thick hot dip G.I. saddle with all fixing accessories, etc.

In existing Hume pipe/G.I. Pipe/HDPE pipe/trench /shaft/pit.

4 C X 10 sq.mm Copper Cable : Supply, installation, testing & commissioning of 4 C x 10 sq. mm Copper cable having following specs: 1. Grade : 1.1 KV 2. Conductor: Multi Stranded Copper conductor 3. Insulation: XLPE (Cross linked polyethylene); Colours : Red, Yellow, Blue & Black 4. Inner sheath : Extruded PVC Type ST-2 as per IS: 5831 , Colour : Black 5. Aarmour : Single Layer of Galvanized Steel Flat Strip/Round wire 6. Outer sheath: Extruded PVC Type ST-2 as per IS: 5831 , Colour : Black

On wall/column/slab with 4-5mm thick hot dip G.I. flat/angle support as spacers at intervals of 300mm fixed with coach screws/anchor fasteners/grouted in wall & 2mm. thick hot dip G.I. saddle with all fixing accessories etc.

In existing Hume pipe/G.I. Pipe/HDPE pipe/trench /shaft/pit.

3 C X 1 sq.mm Copper Cable: Supply, installation, testing & commissioning of 3 C X 1 sq.mm, 1.1 kV grade PVC insulated, FRLS PVC extruded outer sheathed , multistranded copper conductor flexible cable with all fixing accessories , termination with suitable copper lugs etc. as required & as per instruction of Engineer in charge.

3 C X 6 sq.mm Alluminium Cable (For Area Lighting) : Supply, installation, testing & commissioning of 3 C x 6 sq. mm Alluminium cable having following specs: 1. Grade : 1.1 KV 2. Conductor: Multi Stranded Aluminium conductor as per Class-2 of IS: 8130 3. Insulation: XLPE (Cross linked polyethylene); Colours : Red, Yellow, Blue & Black 4. Inner sheath : Extruded PVC Type ST-2 as per IS: 5831 , Colour : Black 5. Aarmour : Single Layer of Galvanized Steel Flat Strip/Round wire 6. Outer sheath: Extruded PVC Type ST-2 as per IS: 5831 , Colour : Black

On wall/column/slab with 4-5mm thick hot dip G.I. flat/angle support as spacers at intervals of 300mm fixed with coach screws/anchor fasteners/grouted in wall & 2mm. thick hot dip G.I. saddle with all fixing accessories, etc.

In existing Hume pipe/G.I. Pipe/HDPE pipe/trench /shaft/pit.

Cable End Termination: Providing end termination of following sizes of 1.1 kv grade XLPE insulated armoured cables with solder less heavy duty tinned copper lugs, heavy duty brass cable gland, insulation tape, duplicate earthing with brass earthing tags (2nos.) of suitable thickness , inter connection to nearest earthing point with 8 SWG GI wires, copper lugs etc. as per relevant IS specification and as per instruction of Engineer in-charge.

4C X 35 sq.mm copper cable

4C X 10 sq.mm copper cable

3C X 6 sq.mm Aluminium cable

3.5 C X 300 sq. mm Aluminium cable

Supply, installation, testing & commissioning of 10 sq.mm FRLS grade 1.1 kV PVC insulated flexible multi-stranded copper wires in existing cocealed conduit/casing capping including interconnection using terminal looping connector blocks, termination with suitable copper lugs at DB/junction boxes/ceiling rose/switch boards, ferrule numbers on both sides of wires etc. as per site conditions and as instructed by Engineer-in-charge.

Description of Work / Item(s)

Amount

Earth Station works:

New earthing chamber: Providing earth station with heavy dipped GI earth plates electrode 600 x 600 x 6.0 mm in size at the depth minimum of 2.5 m below ground level (bottom of Plate) confirming to IS 3043 complete with all required materials like coke / charcoal, salt, G.I nut bolts, washers, 20 mm nominal bore dia. GI pipe (Class-B), 150 mm thick concrete wall chamber duly plastered having size of 500 x 500 x 500 mm, heavy duty (minimum 6 mm thick) M.S chequred plate cover, associated materials like 40 x 40 x 5 mm angle iron frame work, hinged locking arrangements, complete with funnels, GI test links (50 x 6 mm), two runs of 25 x 6mm G.I strips for connecting G.I plate & test link etc. including excavation of ground in all types of soils, refilling & removal of excess earth within a radius of 3000 m etc. all as required as per the drawings, specifications & instructed by Engineer-in-charge. Note:- 1. The chamber cover & frame shall be got approved by Department & painted with two coats of red oxide & one coat of enamel paint. 2. Painting of earth value & test date on cover plate. 3. Earthing strips shall be welded with the earthing plate before galvanizing & two holes on each strip & plate shall be made for fixing the strip & plate with screws.

Rennovation of Existing Earthing Chamber Providing 150 mm thick concrete wall chamber duly plastered having size of 500 x 500 x 500 mm, heavy duty (minimum 6 mm thick) M.S chequred plate cover, associated materials like 40 x 40 x 5 mm angle iron frame work, hinged locking arrangements, GI test link (50 x 6 mm) etc. including necessary excavation of ground for chamber making in all types of soils, refilling & removal of excess earth within a radius of 3000 m etc. all as required as per the drawings, specifications & instructed by Engineer-in-charge. Note:- 1. The scope of work also includes Dismantling & breaking of existing chamber & take away of chamber cover & other associated materials. Credit for taking away dismantled materials shall be inlcuded in the quoted rates. 2. The new chamber cover & frame shall be got approved by Department & painted with two coats of red oxide & one coat of enamel paint. 3. Painting of earth value & test date on cover plate.

Earthing strips: Supply, installation, testing & commissioning of following sizes of heavy dipped GI strip fixed to wall / slab / column / beam with 2mm thick GI saddle & 4-5 mm thick GI Spacer OR in ground at a depth of 750 mm below ground level including excavation in all type of soil , refilling and removal of excess earth within a radius of 3000 mtrs., temporary reinstatement and back filling of trench, interconnection of earth strips / wires with GI nut bolts & washers, painting with two coats of black bituminous compound for earth strip in ground and green colour enamel painting for strip on surface etc. all as required & instructed by the Engineer-in-charge.

In ground (25 x 6mm)

On wall / slab / column / beam (25 x 6mm)

Excavation :

Excavation in soft soil/murum including shorting or dewatering, removing of bricks/tiles etc.,disposing the excess earth within the radius of 3000 m as required & as directed by Engineer-in- charge.

Cutting of asphalt road / concrete flooring /drain by using hydraulic drilling machine upto 200mm depth as required and stacking of rocks, refilling, consolidation of surface, making good to the original finish with 1:2:4 PCC & disposing the excess earth within the radius of 3000 m as required & as directed by Engineer-in- charge.

PVC Trunking: Supply & installation of 25 x 16mm white / ivory PVC casing capping, on surface of wall/column/slab, fixed with nylon rawal plug & GI wood screws at intervals of 300mm complete with all accessories like PVC sleeves at wall crossing etc. as required & as per instructions of Engineer-in-charge. Note: Scope of work also includes providing bunching tags for wires inside casing capping at the intervals of 600mm

Concealed HMS PVC conduit in wall/flooring: Supply & installation of 25mm dia. FRLS HMS PVC conduit in wall/column/slab/beam/ground, complete with necessary accessories like coupler, elbow, tee, bends, circular boxes etc. as required & as per instructions of Engineer-in-charge. Note: Scope of work also includes cutting & chiseling in wall/column/slab/ground for concealement of conduit, filling the leftover gaps with cement, mortar , finishing by applying white cement & necessary touch up painting etc. as per site conditions & as instructed by EIC.

HMS PVC conduit on surface: Supply & installation of 25mm dia. FRLS HMS PVC conduit complete with necessary accessories like coupler, elbow, tee, bends, circular boxes etc., fixed on the surface of wall / column /slab / beam with 2 mm thick hot dip GI saddle & 4-5 mm thick hot dip GI Spacer (at intervals of 300mm) all as required & as per instructions of Engineer-in-charge.

PVC coated flexible steel Conduit: Supply & installation of 25mm dia. Galvanised Steel flexible Conduit with PVC Coating complete with necessary accessories like coupler, elbow, tee, bends, circular boxes etc., fixed on the surface of wall / column / slab / beam with 2mm thick hot dip GI saddle & 4-5 mm thick hot dip GI Spacer (at intervals of 300mm) all as required & as per instructions of Engineer-in-charge.

Providing 3 plate ceiling rose on existing concealed junction box / PVC square box with suitable PVC round plate, fixing with GI screws etc. as required & as per instruction of Engineer in charge.

Providing 3mm thick bakelite sheet on existing concealed junction/switch boxes fixed with required GI screws & chromium plated brass cupwashers etc. as per the requirement of Engineer-in- charge.

Air duct for exhaust : Design, Fabrication, supply, installation, testing and commissioning of exhaust fan air duct (for 300mm/380mm exhaust fan) fabricated out of 20 SWG GI sheet complete with splitters, turning vanes, transition pieces, bends, elbows, reducers, flanged joints with neoprene rubber gaskets, angle stiffeners (wherever required), exhaust duct, cowl etc. All hardware like nuts, bolts and washers shall be GI. All flanged joints shall be made reasonably airtight and all interior surfaces shall be smooth. Bends shall be made with throat radius not less than one half the dimension of the duct in the direction of turn. Note : 1) Scope of work includes breaking of wall for fixing of duct & filling the leftover gaps in wall after placing the duct with cement mortar, bricks etc. finishing by applying white cement & touch up painting of that area by roller/brush etc. all as instructed by EIC. 2) Agency has to made their own arrangement (ladder /scaffolding, zoola, etc.) for working at height of 5-6 Mtr (approx).

Fabrication, Supply, Installation, Testing & Commissioning of 16 SWG S.S.-304 Bird Screen including fixing in front entry of exhaust fan GI duct with all SS hardware as required & as Instructed by E-I-C

Fabrication, supply & installation of various types of boxes/enclosures made out of 2mm thick MS CRCA sheets with powder coating including all material required for installation and as directed by EIC.

Arathi Electricals

Ramesh Electrical and Mechanical Works

PRANIT PROCONCO

HRS ENTERPRISES

RCK Electrical Enterprises

Dhoon Glocal Private Limited

ELITE ELECTRICALS AND GROUP OF ENGINEERING SERVICES

SANJOT CORPORATION

Arathi Electricals

SANJOT CORPORATION

RCK Electrical Enterprises

PRANIT PROCONCO

ELITE ELECTRICALS AND GROUP OF ENGINEERING SERVICES

Ramesh Electrical and Mechanical Works

Dhoon Glocal Private Limited

HRS ENTERPRISES

Ramesh Electrical and Mechanical Works

ELITE ELECTRICALS AND GROUP OF ENGINEERING SERVICES

SAMARTH ELECTRIC

PRANIT PROCONCO

RCK Electrical Enterprises

Arathi Electricals

Dhoon Glocal Private Limited

SANJOT CORPORATION

Arathi Electricals

SAMARTH ELECTRIC

PRANIT PROCONCO

HRS ENTERPRISES

Dhoon Glocal Private Limited

Ramesh Electrical and Mechanical Works

RCK Electrical Enterprises

SANJOT CORPORATION

Dhoon Glocal Private Limited

SAMARTH ELECTRIC

HRS ENTERPRISES

Ramesh Electrical and Mechanical Works

PRANIT PROCONCO

RCK Electrical Enterprises

SANJOT CORPORATION

ELITE ELECTRICALS AND GROUP OF ENGINEERING SERVICES