Replacement of Aluminium windows at North face of North Block, 6th floor,Bikash Bhavan,Sector-I,Salt Lake City,Kolkata-91, during the year 2026-2027

Supplying profiles of required section made of Aluminium Alloy Extrusions conforming to IS: 732-1983 and IS: 1285- 1975; Annodized (with required film thickness and specified colour / natural) matt finished conforming to IS: 1868-1983 for fabrication of composit door, sliding & casement windows, partitions, formed of basic sections of any ISI embossed / certified make and brand as per direction of Engineer - In- Charge. (Payment will be made on finished length of the work). (B) 15 Micron colour annodizing. a) 2- track sliding window i) Bottom frame ( 6TH FLOOR)

(B) 15 Micron colour annodizing. a) 2- track sliding window ii) Top and side frame. (6th floor)

(B) 15 Micron colour annodizing. d) Shutter for all track sliding window. i) Bottom & Top member

(B) 15 Micron colour annodizing film d) Shutter for all track sliding window.ii) Style side member (6th floor)

(B) 15 Micron colour annodizing film d) Shutter for all track sliding window.ii) Interlock member( 6th floor)

Supplying EPDM gusket of approved make and brand as per direction of Engineer in charge. i) For sliding windows a) ' T' shaped EPDM gasket for frames

Supplying EPDM gusket of approved make and brand as per direction of Engineer in charge. i) For sliding windows a) ' U' shaped EPDM gasket for frames

Supplying PVC rollers for sliding windows as per direction of Engineer in charge

Supplying maruti lock (100mm)

Filling the gap in between aluminium frame & adjacent RCC / Brick/ Stone work by providing weather silicon sealant over 6mm dia backer rod of approved quality as per architectural drawings and direction of Engineer-in-Charge complete. Upto 5 mm depth and 5 mm width (a) 6th Floor