annual maintenance & operation of electrical installation incl.sub-station , lift & ac system of ( g+5 ) storied mother and child hub building at chittaranjan seva sadan cogch, kolkata for the year 2023-24-supply & delivery of day to day maintenance material. annual maintenance operation of electrical installation incl.sub-station , lift an ac system of ( g 5 ) storied mother and child hub building at chittaranjan seva sadan cogch, kolkata for the year 2023-24-supply and delivery of day to day mtc. materials , supply & delivery4 feet single commercial1 x 20 wt.master led tube lampcomplete with all accessories with similar to [ makephilipscat no-mas led tube 1200 mm 18w865 t8 i-2100 lm / similarspecification of wipro / osram ) as per direction of eic. , supply & delivery of recessed mounting led fittings suitable for false ceiling 15 w led downligher square [ make: philips model no.dn096b led6s-6500psu wh / similar specification of wipro / osram ) , suppl & deliveryfully diffusedrecessed mounted 2 x 2, 36 w240 v 50hzled panel light suitable for false ceiling. ( make-philips, cat no-rc370b led36s-6500 g6 l60w60 psu od s6 / similar specification of wipro / osram , supply & delivery 18 w, 240 v & 220mm x 220mmdimension square surface mounted led panel light. ( make-crompton, cat no-lcdspln-s-18-cdl, 1800 lumen / philips / wipro ) . , supply & deliveryof 7 w roundled spotlight ( make -philips astra spot / osram / wipro ) . , supply and delivery9 watt b22 ledwarm white led bulb ( make-philips / osram / wipro ) , supply of constant current led driver ( make- crompton, spec : vin 240 v, pout:18w max, vout: 54-62vdc, iout:300 ma ) . , supply & delivery of decorative post top fittings for 360 degree indirect light, ip 65 protection, resistant to impact and corrosion, glare-free and better uniformity ( make: philips / cromton-maple, cat ref. - lpt-40-cdl / m or apus / 40w, ltgl40whpled / w ) and all other fixing accessories. , supply & delivery 240 v, 130 watt of greenline street light ( make-phillips, model no:brp409 led130 cw m2fgpsu grv3 / osram / wipro ) led fittings with all fixing accessories as per gs. , supply & deliveryof analog addressable intelligent multisensor detector ( vds / ul / fm / ulc approved ) with two inbuilt optical smoke sensors with backward & forward scatteringlight angles as well as additional heat detectors sensor with decentralize intelligence, soft addressable photothermal type with inbuilt fault isolatoras per nfpa style 7 wiring complete with base havingip as per recommended standard. ( make-esser / siemens ) , supply & deliveryof 240v, 6a, 5 pin switch ( legrand / anchor / schnider ) , supply & deliveryof 240v, 6a modular type switch ( legrand / anchor / schnider ) , supply & deliveryof 240v, 16a modular type switch ( legrand / anchor / schnider ) , supply & deliveryof 240v, 6a, 5 pin modular type plugsocket ( legrand / anchor / schnider ) , supply & deliveryof 240v, 6a, 5 pin piano flush typesocket ( legrand / anchor / schnider ) , supply & delivery of 240v, 20a, 6 pin socket ( legrand / anchor / schnider ) , supply & delivery modular soket type 2moduleregulator. ( legrand / anchor / schnider ) , supply & delivery dp isolator ( 40a ) ( make-legrand / schneider / abb ) , supply & delivery dp isolator ( 63a ) ( make-legrand / schneider / abb ) , supply & delivery fp isolator ( 63a ) ( make-legrand / schneider / abb ) , supply & delivery fp isolator ( 100a ) ( make-legrand / schneider / abb ) , supply & delivery spmcb ( c curve-6a, 10a, 16a, 25a, 32a ) ( make-legrand / schneider / abb ) , supply & delivery 63a tp mcb ( make-legrand / schneider / abb ) , supply & deliveryof 1200 mm sweep ac ceiling fan complete with all accessories without regulator ( make- crompton greave hs / orient / usha ) , supply & delivery 450 mm, 1420 rpmsweep wall bracket fan fan full metal body ( epc, heavy duty ) with suitable colour and engraving & painting as per direction by eic , supply & delivery exhaust fan ( make -- epc, heavy duty ) of following sizes . length of pvc insulated wire and making connection for exhaust of dia. i ) 9 ( 23 cm ) , ii ) 12 ( 30cm ) , supply & delivery240 v superior type6 size gongbell ( anchor / pwd appvd ) . , make & model of each and every material to be approved by eic