MODIFICATION, RECTIFICATION, INSTALLATION COMMISSIONING AND SUPPLY OF VARIOUS FURNITURES IN CONNECTION WITH CONSTRUCTION OF PHASE A WORKS AT JNV WEST GARO HILLS, MEGHALAYA

(i) CLASSROOM DESK LARGE SIZE Supply & installation Big Desk (for two persons)-The overall dimensions of desk will be 1066mm x 930mm x Height 760mm, complete as per Specifications enclosed and direction of Engineer-in- charge having the Table top shall be made up of 18.0 mm thick plywood IS 303 of MR Grade OSL (one side shall be laminated, and other side shall have balancer finish). Table top dimensions shall be L 1066 mm x D 380 mm. Edge towards bench shall be post formed with round edge. The remaining three edges must be sealed with 2mmthick PVC edge banding tape. Edge band must be trimmed on edges and corners. The desk shall be have low chemical emission of VOCs (Voltage Organic Compounds) and carcinogens, contributing to a healthier room environment. Seat and back rest shall be made of 18mm thick plywood of MR Grade OSL (one side shall be laminated, and other side shall have balancer finish) except back rest. Back rest shall be have both sides colour lamination. Technical details of seat and back rest are mentioned below:Seating bench dimensions shall L 1066 mm x W 300 mm x H 450 mm. Front side shall be rounded with post forming. Remaining three edges shall sealed with 2mm thick PVC edge banding tape. Back rest dimensions shall L 1066 x H 200 mm Upper side shall be rounded with post forming Remaining three edges shall be sealed with 2mm thick PVC edge banding tape. Desk Shelve shall be made of prime quality 0.8mm thick CRCA sheet of H150mmxD300mm and side stiffeners of CRCA tube size 19mmx19mmx1mmthick. One vertical support (partition) of square tube size 25mm square x1.2mm thick must be provided at centre of tray . Upper modesty made of prime quality 0.8mm thick CRCA Sheet Powder Coated should be embossed with dimples in round shape, height will be 150mm, there should be Perforated lower modesty Made of prime quality 0.8 mm thick CRCA sheet of size H150mmXD21mm with square perforation, CRCA Tube of size 19x19x1mm thick to be inserted for full length at bottom of Jali . Bag hook should be provide on both side of piller made of minimum 4mm dia rod Side frame structure:- Made of prime quality CRCA pressed form section 165mmx25mmx1mm thick welded to 25mmx50mmx1.2mm thick CRCA tube , Seat and back side frame structure made of prime quality CRCA pressed form section 165mmx25mmx1mm thick welded to 25.4mm diameter x 1.6mm thick ERW-1pipe , there will be 8no. horizontal supports are 25mmx25mmx1.2mm thick CRCA pipes. . Bottom Rectangular tube 50x25x 1.2mm thick should be closed with PPCP cap bothside sand pipe dia. 25.4x1.6mm thick should be closed with metal (Backside) and other side (Undertheseat) PPCP cap, complete as per engineer incharge Desk should be in semi knock down form with the help 16 connecting pipes ; 8 pipes on each side : connecting pipe size will be 20x20x1.2mm .All Metal Pieces Shall Be Welded Properly Strongly and conformity with regulations with CO2 Welding Shall Be Used , CRCA Metal Shall Be Coated After Being Treated With At Least Three Stages And Cleaned From Oil , Grease , Dust And Other Dirt Using Special Thermal Control Coating For Metal Furniture To Form a Layer Of Base Coating Of (iron phosphating) (0.4 – 0.8) gm/m² , Automatic Spray Coating Shall Be Applied To Be Followed By a Drying Process In a Thermal Furnace With Suitable Temperature And Time For The Process , Metal Pipe & 7 tank treatment with minimum 45-50 micron powder coating.

(ii) CLASSROOM DESK MEDIUM SIZE Supply & installation Medium Desk (for two persons)-The overall dimensions of desk will be 900mm x 890mm x Height 690mm, complete as per Specifications enclosed and direction of Engineer-in- charge having the Table top shall be made up of 18.0 mm thick plywood IS 303 of MR Grade OSL (one side shall be laminated, and other side shall have balancer finish). Table top dimensions shall be L 900 mm x D 380 mm. Edge towards bench shall be post formed with round edge. The remaining three edges must be sealed with 2mmthick PVC edge banding tape. Edge band must be trimmed on edges and corners.The desk shall be have low chemical emission of VOCs (Voltage Organic Compounds) and carcinogens, contributing to a healthier room environment. Seat and back rest shall be made of 18mm thick plywood of MR Grade OSL (one side shall be laminated, and other side shall have balancer finish) except back rest. Back rest shall be have both sides colour lamination. Technical details of seat and back rest are mentioned below:Seating bench dimensions shall L 900 mm x W 300 mm x H 390 mm. Front side shall be rounded with post forming. Remaining three edges shall sealed with 2mm thick PVC edge banding tape. Back rest dimensions shall L 900 x H 200 mm Upper side shall be rounded with post forming Remaining three edges shall be sealed with 2mm thick PVC edge banding tape. Desk Shelve shall be made of prime quality 0.8mm thick CRCA sheet of H150mmxD300mm and side stiffeners of ss CRCA tube size 19mmx19mmx1mmthick. One vertical support (partition) of square tube size 25mm square x1.2mm thick must be provided at centre of tray . Upper moedsty made of prime quality 0.8mm thick CRCA Sheet Powder Coated should be embossed with dimples in round shape, height will be 150mm, there should be Perforated lower modesty Made of prime quality 0.8 mm thick CRCA sheet of size H150mmXD21mm with square perforation, CRCAT ube of size 19x19x1mm thick to be inserted for full length at bottom of Jali . Bag hook should be provide on both side of piller made of minimum 4mm dia rod Side frame structure:- Made of prime quality CRCA pressed form section 165mmx25mmx1mm thick welded to 25mmx50mmx1.2mm thick CRCA tube , Seat and back side frame structure made of prime quality CRCA pressed form section 165mmx25mmx1mm thick welded to 25.4mm diameter x 1.6mm thick ERW-1pipe , there will be 8no. horizontal supports are 25mmx25mmx1.2mm thick CRCA pipes. . Bottom Rectangular tube 50x25x 1.2mm thick should be closed with PPCP cap bothside sand pipe dia. 25.4x1.6mm thick should be closed with metal (Backside) and other side (Undertheseat) PPCP cap, complete as per engineer incharge Desk should be in semi knock down form with the help 16 connecting pipes ; 8 pipes on each side : connecting pipe size will be 20x20x1.2mm .All Metal Pieces Shall Be Welded Properly Strongly and conformity with regulations with CO2 Welding Shall Be Used , CRCA Metal Shall Be Coated After Being Treated With At Least Three Stages And Cleaned From Oil , Grease , Dust And Other Dirt Using Special Thermal Control Coating For Metal Furniture To Form a Layer Of Base Coating Of (iron phosphating) (0.4 – 0.8) gm/m² , Automatic Spray Coating Shall Be Applied To Be Followed By a Drying Process In a Thermal Furnace With Suitable Temperature And Time For The Process , Metal Pipe & 7 tank treatment with minimum 45-50 micron powder coating.

(iii)TEACHER TABLE :Supplying and installation of knock down type Office Table made of Pre-laminated MDF board with decorative lamination on one side and balancing lamination on other side top of size 1200 X 600 X 750 mm. Worktop shall be rounded in all four corners and should have an overhung of 50mm alongwith one drawer unit made of 0.5mm thick CRCA Steel sheet. The table top shall be supported over legs consists of 4 Powdered coated MS legs with connected beams with pipe size 25x25x1.2 mm thick.

(iv)Teachers Chair, Overall Dimension:- W600±10 x 600D ±10 x 890H ±10 mm,Seat of Medium back Visitor chair is made of 12mm thick hot pressed plywood pasted with PU Moulded foam with Fabric upholstery on Seat , Used PU Moulded foam on Seat of D-45 kg/m3, Back of Medium back chair is made of Injection moulded PP material structure with Mesh fabric, Seat Size:- 460W ±10 x 470D ±10 x 60Thick. ±5 mm , Back Size:- 440W ±10 x 470H ±10,Armrest:- Fixed PP armrest ,Understructure:- Cantilever frame made SS Polished Finish round pipe with Plastic bushes . Frame Material -SS 202 Polished Finish

(v) TEACHER BOARD [Excluding cost of Interactive Flat-Panel Display (IFPD)] Technical Specification for Smart Board with Double-Track Sliding System for Green and White Boards fitted in an Anodised Aluminium Frame with concealed cable management and provision for mounting of Digital Screen: Supply, installation, testing, commissioning (SITC) of an integrated digital teaching–learning solution comprising: (a) Anodised Aluminium Frame, double track sliding system for white & green board and provision for mounting of digital screen with concealed cable management, (b) Vitrified magnetic ceramic-steel Green Board and White Board panels. • Dimensions and Configuration: Total Width of the Setup is ~12 feet and height ~4.0 feet from the board surface (excluding the width of aluminium frame). • Material: Providing and fixing anodised aluminium (alloy 6063-T6) framed sliding system for smart board with minimum 2.0 mm thick extruded sections, anodised to AA15 grade as per IS 1868, mounted on a heavy-duty top-hung aluminium track (min. 2.5 mm thick) with sealed ball-bearing nylon/PU rollers (load capacity not less than 120 kg per panel), concealed bottom guide, EPDM gaskets, SS-304 fasteners, pelmet/valance cover, and soft end-stops/soft-close mechanism, including all brackets, fixings, alignment, cable provisions, commissioning, and making good complete as per drawings and Engineer-in-Charge. • Design: One slot to fix IFPD, other slot for Green & White boards sliding on double track system with Locking facility on sliding frame to keep the IFPD display safe. • Top & Bottom Rails: Tracks shall be aligned and reinforced to ensure boards move easily and without wobble. • Back Side: The backside of the smart board, to concealed the wall surface, provided & fixed with 18 mm thick HDHMR board laminated (white coloured matte finish) with 0.8 mm, edges sealed with 1 mm PVC edge banding, fixed to the anodised aluminium frame with concealed screws/rivets, with ventilation slots as required, and shall be moisture, termite and borer resistant. • Load Capacity: Safe to hold IFPD + white & Green boards with ≥1.5× safety factor. • Cable Management: Built-in channels for power, LAN, HDMI, USB. • Safety: Rounded edges, tamper-resistant covers, concealed fixing.

(c) The unit must be free from sharp edges, splinters, or any protruding parts that could cause injury. (d) Installation height should ensure comfortable writing access for average adult and student height (typically bottom edge ~2.5 to 3 feet from the floor). Finish: Durable, corrosion-resistant coating suitable for indoor use. •Additional Requirements: (a) All boards and the structure must be securely fixed to the wall with appropriate fasteners. (b) Provision for cable management must be included for the IFPD (i.e., concealed conduit/path for power and data cables). (b) Vitrified magnetic ceramic-steel Green Board and White Board panels: • Function: Boards shall slide horizontally on a top and bottom aluminium/steel channel track to fully cover or reveal the IFP as needed. • Material: Vitrified ceramic-steel, magnetic, double-coated. • Sliding Boards: Quantity: 1 no. Green board & 1 no. White board. • Green Board Surface: Matte, chalk-friendly, stain/scratch resistant. • White Board Surface: Glossy surface, Dry-erase marker friendly, ghost-free, easy clean. • Size: ~6 feet (W) × 4 feet (H) (Each Board) with thickness 8mm. • Frame: Anodised aluminium, rounded edges, concealed fasteners.Note - Dimensions mentioned are indicative. Actual may vary as per site requirements

(i) PRINCIPAL ROOM TABLE Table of Size 1800mm (W) x 900mm (D) x 750mm (H) with Side Storage of Size 900mm (W) x 450mm (W) X 750mm (H) and Back Storage 1800mm (W) x 450mm (D) x 750mm (H) as per specifications above