Yearly maintenance and repair works of Vigyan Chetana Bhavan, Salt lake, during the year 2025-2026 (Building Works only).

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] With 1:6 cement mortar (b) 20 mm thick plaster

First floor

Second floor

Third floor

Fourth floor

Fifth floor

Providing and fixing exterior quality Aluminium Composite Panel (ACP) wall cladding on existing Al. /MS frame work with GI brackets, ACP fixed on the existing frame work by folding the edges of ACP panel (Engraving the rear surface of ACP sheet) with CP angles, cleats and strainless Steel screws forming groves at the periphery of ACP panel. Such grooves filled with foam and silicon sealant etc. complete with all materials (but including the cost of silicon sealant), labour, scaffolding and all other incidental charges complete in all respect as per specification and direction of Engineer-in-charge. (Mode of payment is on finished surface area of ACP) (b) 4mm thick (0.50mm Al.+3.0mm LDPE +0.50mm Al. PVDF coating)

12th Corrigendum and Addendum: Supplying & laying as per IRC-SP:063-2004 paver unit of any shade of approved quality as per relevant IS code, laid in pattern as directed in pavement, footpath, driveway (paver block only), etc including necessary underlay complete in all respect with all labour and material. [Border concrete if necessary to be paid separately]. Note: Sub-grade CBR should not be less than 5. (b) 50 mm thick interlocking designer concrete paver block M- 30 grade for non-traffic zone,buiding premises,garden,parks,domestic drive as per IS: 15658- 2006(over 20-30 mm medium sand bed on 200mm thk bound gnaular /granular base course including cost of sand for sand bed but excluding cost of base course & subgrade preparation.) (ii) Coloured Decorative

Rendering the Surface of walls and ceiling with White Cement base WATER PROOF wall putty of approved make & brand.(1.5 mm thick)

Applying Interior grade Acrylic Primer of approved quality and brand on plastered or cencrete surface old or new surface to receive Distemper/ Acrylic emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. (In Ground Floor) (a) One Coat i) Water based interior grade Acrylic Primer

Applying Acrylic Emulsion Paint of approved make and brand on walls and ceiling including sand papering in intermediate coats including putty (to be done under specific instruction of Superintending Engineer) : (Two coats) i) Standard Quality

(B) Supplying 125 mm. Dia acrylic handle for aluminium door as per approved make & brand. (a) Natural Colour

Supplying, fitting & fixing fibre reinforced polymer (FRP) Composite door shutters as per approved design with glass fibre reinforced plastic moulded skins and a special sandwich core, so as to impart monolitaheic composite structure as per approved technology of Department of Science and Technology (DST) to satisfy IS:4020 door testing performance criteria. In First floor. (i) 32 mm thick

Third floor

Anodised aliminium D-type handle of approved quality manufactured from extruded section conforming to I.S. specification (I.S. 230/72) fitted and fixed complete: (a) With continuous plate base (Hexagonal/ Round rod) (vi) 150 mm grip x 10 mm dia rod.

Making one set of scaffolding only for replacing glasspanels, painting, uprooting plant and another repairingworks of building and S&P works for external worksonly with 10 cm. dia bamboo as main posts at the rateof 1 metre centre to centre and 7.5 cm. dia bamboo ties@ 0.75 metre apart fitting and fixing with necessarycoir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer-incharge). Firstly, one number to be paid and then labour rate for shifting up to further nineteenth (19) times @ 10% each time to be considered. If necessary further after twenty times of total use, another one number new and labour rate for shifting to be considered accordingly. a) 3.90 metre height For 24.00 metre height

labour rate for shifting 19 times

Taking out shutter of door and window, dismantling by parts (for repair or replacement of damaged parts) , reassembling and refitting and rehanging same with old fittings but with new screws as necessary. (Where different parts of same shutter are renewed under different item, payment under item 73 will be made once only).

Iron butt hinges of approved quality fitted and fixed with steel screws, with ISI mark. (vii) 100mm. X 58mm. X 1.90mm.

(ii) Door stopper (Anodised aluminium)

Easing door and windows.

i) Iron hasp bolt of approved quality fitted and fixed complete (oxidised) with 16mm dia rod with centre bolt and round fitting. (b) 250mm long.

i) Hydraulic door closer of approved quality as per I.S.I. standard fitted and fixed complete. (b) Medium (I.S.I. size 2)

(a) Supplying 'Godrej' mortice lock chromium plated with latch and keys 4 levers, including fitting and fixing complete.

Anodised aluminium barrel / tower / socket bolt (full covered) of approved manufactured from extruded section conforming to I.S. 204/74 fitted and fixed with cadmium plated screws: (v) 150mm long x 12mm dia. bolt.

Supplying anodised aluminium catch hook with eye fitted and fixed to shutter and chowkat complete of best quality: (ii) 225mm long.

Supplying solid flush type doors of commercial quality, the timber frame consisting of top and bottom rails and side styles of well seasoned timber 65mm wide each and the entire frame fitted with 37.5mm wide battens places both ways in order to make the door of solid core and internal lipping with Garjan or similar wood veneers using phenol formaldehyde as glue etc. complete, including fitting, fixing shutters in position but excluding the cost of hinges and other fittings in ground floor. (a) 35 mm thick shutters (single leaf)

Supplying best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. (In all floors for internal wall & upto 6 m height for external wall) (ii) 4 mm thick

Supplying, fitting, fixing C.I Grating (Heavy type). (b) Above 100 mm and upto 150 mm Square or round.

Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987. i) 4mm thick clear glass.

Supplying stainless steel functional hinge for casement window as per approved brand as directed by Engineer- in -charge. (Natural White) (a) 250 mm long

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/Bitumen/M-Seal etc) complete. A) UPVC Pipes: (ii) 110 mm. Dia.

B) UPVC Fittings: a) Plain Tee (ii) 110 mm. Dia.

c) Bend 87.5 degree (ii) 110 mm. Dia.

Supplying 4 lever mortice lock or any approved make and brand as per direction of the Engineer- in -Charge. ii) 100 mm.

Supplying heavy duty hydraulic double action floor spring along with top pin/set of pivots conforming to IS: 6315 or any approved make as per direction of Engineer in charge.

TOTAL:

ADD : GST - 18% (SGST = 9% & CGST = 9%)

ADD : WEST BENGAL LABOUR WELFARE CESS = 1%