WBPWD/SSKM(H.)ESD/NIQ-156 of 2025-26

Removing all letter from Glow sign Board after carefully open the GI.Sheet Back cover in Rheumatalogy Building & PWD El. S.D. Office and also carefully dismantle all LED module from letter. Necessary Scraffolding should be done. (Glowsign board fixed at height of 4.5 Mtr above from ground Floor)

S&F of imported 12 V DC IP-65 LED modules having three LED in a single base module and the LEDs will emit mild attractive white colour light and the single run of LED for each letter base area and shall be properly fixed in the male part of the Acrylic letters including necessary interconnections. Specification of the LEDs is given as below : a) LED-white, Make: Approved By E.I.C b) Type-Straight, 3 Nos. Led per module c) Life – 70,000 burning hours. d) Visibility – 100 mtrs at least, for normal eye e) Power consumption – 1.5 watt per module

Cleaning all the letter by Soap Water and refixing the existing Acrylic dimentional letter in prefabricated existing ACP board by pasting of clear RTV silicon in between the male -female letters to minimize gap for prevent water and insect (make: bond) .The existing structure should be painted by good quality enamel paint and as well as all repairing like Welding ,GI Sheet replacing/ fixing should be done. (Glowsign board fixed at height of 4.5 & 5.2 Mtr above from ground Floor).

S&F of imported 12 V DC IP-65 LED modules having three LED in a single base module and the LEDs will emit mild attractive white colour light and the two run of LED for each letter base area and shall be properly fixed in the male part of the Acrylic letters including necessary interconnections. Specification of the LEDs is given as below : a) LED-white, Make: Approved By E.I.C / Nichia / Cray / Samsung / Osram b) Type-Straight, 3 Nos. Led per module c) Life – 70,000 burning hours. d) Visibility – 100 mtrs at least, for normal eye e) Power consumption – 1.5 watt per module

Supply and fixing of Superior Quality Acylic dimentional letters in existing prefabricated ACP board by pasting of clear RTV silicon in between the male -female letters to minimize gap for prevent water and insect. " GOVT. OF WEST BENGAL" Size : 5" and 6", damage letter N, G, A&L

S&F of imported heavy duty 12V DC, Rating :500 Watt, IP- 66,SMPS (Make - Samsung / approved by EIC) with properly rated isolation transformer in suitable enclosure to be fixed with the signage frame for driving total LED system of the signage in a distributed manner for uniform load sharing in view of long run continuous use including necessary interconnections.