Electrical Works

Amount

Wiring with 2x1.5 sqmm (22/0.3) PVC insulated SC unsheathed FRLS Cu.Conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories in flush with wall with 3mm thick hylum sheet cover with TW switch box and 5A F.T. switch and making good of the concealed portion with suitable colour for PVC concealed light / Fan Point (For electronic regulator) (5 Pts / Coil)

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessoires in flush with wall with 3mm thick hylum sheet cover with TW switch box and 5A FT switch and making good of the concealed portion with suitable colour for PVC concealed light (6 points per coil) (for rooms like bath, toilet & pumproom, etc.)

Supply and fixing of 4 Feet LED 18 W Fitting with LED 18 W tube (Higher End) complete with TW round blocks on wall or ceiling with PVC unsheathed FRLS Copper leads from terminals to the fitting

Supply and fixing of 4Feet LED 18W Fitting with LED18W tube (Higher End) complete with conduit pipe suspension from the ceiling with PVC unsheathed FRLS copper leads from terminals to the fitting with tube. (Philips/ Havells/Equ )

supply and fixing of 4 Feet LED 2x20 W Fitting with LED 2x20 W tube (HigherEnd) complete with TW round blocks on wall or ceiling with PVC unsheathed FRLS Copper leads from terminals to the fitting

supply and fixing of 1200mm (48") sweep AC ceiling fan High speed complete with 2 module 100W fan step regulator (Higher end) with 300mm down rod on the existing fan clamp

Supply and fixing of 3 Nos. 5A (3 pin and 2 pin) combined flush type wall socket with control switches concealed in suitable TW box covered with hylem sheet in flush with wall with earth connection (for computer plug socket)

Supply and fixing of 5A / 15A 3 pin combined flush type wall socket with 15A flush type switch on suitable TW Box

Supply and fixing of WT bulk head fitting with guard suitable for 9 W LED lamp with LED bulb

Supply and fixing of fancy glass shade and 7W / 9W LED bulb

Supply and fixing of 20Amps DP Plug and Socket in sheet enclosure with 32A DP MCB in flush with wall with earth connection (For AC Plug) [Legrand (MDS) / Hager (L&T) make]

Supply and Run of 4 of 10 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 10 sq.mm copper wire and making good of the concealed position.

supply and fixing of 300mm (12") sweep (light duty) AC exhaust fan complete without provision and making good wall with louvers

Supply and fixing of 32A DP MCB in flush with sheet enclosure in flush with wall with earth connection [Legrand (MDS) / Hager (L&T) make]

Supply and Run of 2 of 2.5 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe Concealed in wall and ceiling with continuous earth wire connection of 2.5 sq.mm copper wire and making good of the concealed portion

Supply and run of 2 of 4 sqmm (56/0.3) PVC insulated SC unsheathed FRLS Cu.Conductor of 1100V Grade in rigid pipe concealed in wall and ceiling with continuous earth wire connection of 4 Sqmm cu wire and making good of the concealed portion with suitable colour

Supply and run of 2 of 1.5 sq.mm. (22 / 0.3) PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in rigid pipe concealed in wall and ceiling with continuous earth wire connection of 1.5sqmm Cu wire and making good of the concealed portion with suitable colour

Supply and fixing of 12 way single pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 32A DP MCB switch as incoming and 10 nos. 6A to 32A SP MCB as outgoing in flush with wall with earth connection only. Higher End

Supply and fixing of 4 way Vertical Triple pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 63A 4P MCB switch as incoming and 12 nos. 6A to 32A SP MCB as outgoing in flush with wall with earth connection only.

Supply and fixing of 8 way Vertical Triple pole and neutral MCCB sheet steel enclosure distribution board ( with MCCB incomer) with double door (metal door) with 1 no. 160A 4P MCCB switch as incoming and 6 nos. 63A 3P MCB , 6 nos. 6A to 32A SP MCB as outgoing with cable end box on suitable angle iron frame on wall with earth connection only. Higher End

Supply and Laying of 3 1/2 x 70 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and clamping of 3.5 x 70 sq.mm PVC LTUG ar. cable on post or on wall with MS Clamps.

Supply and fixing of brass cable gland for 3.5 x 70 sqmm PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3.5 x 70 sqmm PVC LTUG Aluminium armoured cable with necessary aluminium cable sockets by crimping etc. with electrical connection complete

Supply and fixing of 48W LED street light fitting with LED (Higher end) with 32mm dia. GI pipe (class B) with 1 no.32 mm GI bend complete on the existing post/ on wall with PVC unsheathed copper leads with MS clamps and with painting .

supply and fixing of 65 mm dia. (2 -1/2") GI pipe (class B) of 6 metre length with 300mm x 300mm x 6mm MS base plate duly welded at the bottom with concreting with construction of masonary pedestal with suitable SMC box with door arrangement to house 6A SP MCB switch, 2/4 way connector on suitable hylem sheet and supply and fixing of 48W LED street light fitting with LED (Higher end) with 1 metre 32mm dia. GI pipe (class B) Complete with suitable MS clamps for LED steet light fitting and SMC box with PVC unsheathed copper leads from SMC box to fitting and with painting of suitable colour.

Supply and Laying of 4 x 16 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and clamping of 4x16 sq.mm PVC LTUG armoured LTUG cable on post or on wall with MS Clamps.

Supply and fixing of brass cable gland for 4 x 16 / 2X16 sq.mm PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of4 x 16 sqmm PVC LTUG Aluminium armoured cable with necessary aluminium cable sockets by crimping etc. with electrical connection complete

Supply and fixing of 100A TPN switch disconnector fuse units in sheet steel enclosure with HRC fuses double brEak on suitable angle iron frame work with MS cable entry boxes with PWD Earthing.

Supply and fixng of TNEB meter board suitable for 3 phase 100A service connection made up of suitable angle iron frame work of size 2 feet x 1-1/2 feet using angle iron of size 1-1/2" x 1-1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 2 feet x 1-1/2 feet of 12mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos. 100A fuse units (500V), 1 No. neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 16 Sq.mm PVC insulated copper wire with earth connection complete

Supply, Installation, Testing, Commissioning and Handing over of 2.5 Kwp Grid connected roof top Solar PV System Scheme complete as detailed below. Design, Engineering, Manufacturing, Procurement, Supply of materials to project site, project management, installation of mechanical equipment, cabling & appurtenances, instrumentation and electrical system and other equipment, as detailed in this section. Scope of the proposal a)Solar Modules (Multicrystalline-as per IEC specifications) b)Mounting Structure (Design to Chennai Coastal ambient condition) c) Inverter, distribution boards, junction boxes, cables d) Earthing for Solar modules and inverter e)Lightning Protection f) Installation and commissioning g)Project management h)Liasioning for approval from MNRE

TECHNICAL SPECIFICATIONS 1. SOLAR PV MODULES AND ARRAY (i) Only indigenous modules shall be used in the Solar module shall be Crystalline (Mono/Poly) (or) Thin Film (or) Concentrator PV modules type. The peak power output of the PV Module shall be min 100Wp under STC. Module Voc shall be minimum 21V. The total array capacity shall not be less than required capacity and this shall be operating at the required DC voltage. The power output of the PV module must be reported under standard test conditions (STC). I_V curve of the sample module should be submitted.(ii) The mechanical structure shall withstand gusts of wind / cyclonic wind up to 150km/hr from back side of the panel.(iii) The offered modules must conform to the latest edition of any of the following IEC/ equivalent BIS Standards for PV module design qualification and type approval:Crystalline Silicon Terrestrial PV Modules : IEC 61215/IS14286 Thin Film Terrestrial PV Module: IEC 61646/ Equivalent IS(Under Dev.)

Concentrator PV Modules & Assemblies: IEC 62108 2.Earthing and Lightning Protection: Earthing: The array structure of the PV yard shall be grounded properly using adequate number of earthing kits. All metal casing or shielding of the power plants shall be thoroughly grounded to ensure safety of the solar power plants.Lightning: The SPV power plants shall be provided with lightning &over voltage protection. The main aim in this protection shall be to reduce the over voltage to a tolerable value before it reaches the PV or other sub system components. The source of over voltage can be lightning, atmosphere disturbances etc 3. Battery arrangement : At the rate of 400AH ( 4nos. 12V 100AH solar tubular Batteries) per KWp.

500 LPD Solar Water Heater (A)HOT WATER STORAGE TANK (500 LPD):The tanks are generally made of Inner tank and outer cladding cover. The inner tank made of SS 304 grade /MS or any other materials with anticorrosive coating. For SS inner tank thickness may be min. 1mm when using argon arc or metal inert gas for welding & 1.6mm when using other type of welding. For M.S. and other material, it will be above 1.5mm. No leakage under any kind of negative or positive pressure of water shall be ensured. Capacity of the tank not less than 500 litters. Minimum 50mm thickness of CFC free PUF having density of 28-32 kg/cu .m. In case of higher density insulations, the thickness may reduce proportionately. Aluminum/FRP or GI powder coated outer cladding may be used. M.S may also be used with special anticorrosive protective coatings ;Thickness of sheets will be strong enough to avoid any deformations of the cladding. Size of the tank OD 405mm and length is 1300mm.

(B)MOUNTING STRUCTURE OF STORAGE TANK:Supply, Installation & commissioning in position of the hot water storage tank will be mounted on fixed metallic structures of adequate strength and appropriate design, which can withstand and high wind velocities up to 150 km per hour. The support structure will be MS powder coated. The "Mounting Structure" should have the following features: i) The support structure shall be mild steel, powder coating (120 micron) iron for holding the storage tank. The size of angle iron should not be less than 35x35x5mm, ii) Each structure shall be so fabricated as to be placed on roof on its legs. It will withstand severe cyclone or storm with the speed of 150Km/Hr iii) All nuts and bolts should be made of very good quality and should be corrosion resistant, iv)The structure should be designed to allow easy replacement of any module (C) EVACUATED TUBE COLLECTOR HEADER 500 LPD-1Nos

The tanks are generally made of Inner tank and outer cladding cover. The inner tank made of SS 304 grade/MS or any other materials with anticorrosive coating. For SS inner tank thickness may be min. 1mm when using argon arc or metal inert gas for welding & 1.6mm when using other type of welding. For M.S. and other material, it will be above 1.5mm. No leakage under any kind of negative or positive pressure of water shall be ensured. Minimum 50mm thickness of CFC free PUF having density of 28-32 kg/cu.m. In case of higher density insulations, the thickness may reduce proportionately. Aluminum/FRP or GI powder coated outer cladding may be used. M.S may also be used with special anti-corrosive protective coatings; Thickness of sheets will be strong enough to avoid any deformations of the cladding. Size of the tank OD 240mm and length is 2020mm. Tube length 1800mm, Outer tube diameter 58mm, Inner tube 47mm, Glass thickness 1.6mm, Transmission coefficient _89.Reflection coefficient 8.4%,absorption coefficient _86%, vacuum pressure _5.0 pa, Average heat loss coefficient _0.85W/m2°C

(D) MOUNTING STRUCTURE FOREVACUATED TUBE COLLECTE HEADER -1Sets structure should be designed to allow easy replacement of any module. Supply, Installation & commissioning in position of Evacuated Tube Collector will be mounted on fixed metallic structures of adequate strength and appropriate design, which can withstand load of tubes and high wind velocities up to 150 km per hour. The support structure used will be MS powder coated. The "Mounting Structure" should have the following features: i) The support structure shall be mild steel, powder coating (120 micron) iron for holding the Evacuated tube collector. The size of angle iron should not be less than 25x25x5 mm, ii) Each structure shall be so fabricated as to be placed on roof on its legs. It will Withstand severe cyclone or storm with the speed of 150Km/Hr, iii) All nuts and bolts should be made of very good quality and should be corrosion resistant, iv) The Structure should be designed to easy replacement of any module

Supply and fixing of 3KVA UPS with 4 Nos 12 V 150 AH tubular battery [Exide IT 500] with 2 hour back up and 48months warranty for mentioned capacity on full load operation and the followingfeatures.[Microtek/Numeric/Exide//equivalent] a) Inverter shall be free from workman ship defects sharp edges nicks ,scratches ,burs etc, all fasteners shall be fixed properly. The equipments shall be complete with all parts and all parts shall be functional. b) Enclosure shall conform to protection requirement of IRL to IS 13947 (part 1) 1993.

supply & fixing of Gong Bell 12'' suitable for 230 Volts 50 c/s single phase AC supply on suitable angle iron frame work with 3mm thick hyleum sheet cover with TW switch and push switch with necessary connections.

Supply and run of 1 of No.8 SWG Copper wire for earth connection

Earthing as per P.W.D standard with an earth electrode of 2 Mtr. Class 'B' GI pipe of dia not less than 32mm complete with necessary masonry work

GST at 18%

Karpagam Electricals (BID ID -1549080)