Repairing/Renovation of the Mechanical Engineering Block in Bongaigaon Polytechnic, Bongaigaon under SOPD-G during the year 2022-23

Amount

Dismantling all types of corrugated/ trapezoidal sheet roofing including ridges, hips, valleys and gutters etc. and stacking the materials as directed by the department for all levels

Dismantling all types of ceiling, partition and wall lining and stacking the materials as directed by the department for all levels

Demolishing CC floors of various thickness including top layer and base course and disposal of debris as directed for all levels.

Dismantling and removing the existing door and window frame (chowkath) both wooden and steel of different sizes without damaging the walls and removing the frame and necessary repairs to the edges of the walls as directed for all levels. Area of door/window up to 3.00 m2

Providing VITRIFIED floor tiles of approved quality of specified size, shape and thickness not less than 18mm on floors, skirtings, risers and treads of steps over 15 mm thick base of cement mortar in prop. 1:3 (1 cement : 3 coarse sand ) including cutting where necessary finished with flush pointing with Fix-A-Tile Choksey/Sika/Pedelite/ Rouf) / white cement slurry mixed with approved pigment to match shade of tiles, mixed with approved pigment to match the shade of the tiles, complete at all levels as specified and directed. (Coloured pigment should be in conformity with colour of tiles and as approved and directed by the Department) Normal range Somany/ Orient/Nitco /Varmora/VITA/ Marbito/ Make Of size 600mmx600mm and above

40 mm thick cement concrete floor consisting of 25 mm under layer of cement concrete in prop. 1:3:6 (1cement : 3 coarse sand : 6 coarse aggregate of 12.5 mm and down) and 15 mm thick wearing layer in cement concrete in prop. 1:1:2 (1cement :1 coarse sand : 2 coarse aggregate of size 10mm down) finished with a floating coat of neat cement finish using cement slurry for bond @ 2.75 kg. per square metre of floor area , wearing layer is to be laid in panels including curing etc. complete as directed.

Providing wood work in frame (chowkaths) of doors, windows, clerestory windows and other similar works wrought, framed and fixed in position in contact with C.C or brick masonry wall including supplying, fitting and fixing with M.S. hold fast 0mmx3mmx250mm) as per design embeded in cement concrete block in proportion 1:2:4 and with two coats of kiricide oiling to the timber faces in contact with C.C and masonry as directed and specified. (a) With sal wood

Providing, fitting and fixing full panelled doors/ windows including oxidised M.S butt hinges (100mm x75 mm x3.55mm) with necessary screws (other fittings to be measured and paid separately ) B) With 1st class local wood (Gamari/Hollock/Bonsum ) (ii) 35 mm thick.

Providing wood work in frame of false ceiling partitions etc.sawn, wrought, framed hoisted and fixed in positon with spikes, nails, M.S flat,angle/ cleats with bolt and nuts complete including kiricide oiling two coats to unexposed surfaces of the timber (M.S flats, angle cleats, and bolt and nuts required for flat, angle cleats wherever necessary shall be measured and paid separately) (a) With sal wood

Providing barge board of size 200mm x 20mm with 1st class local Hollock/ Bonsum timber including fitting and fixing with necessary wood screws etc. complete.

Providing, fitting and fixing hard board sheet ceilling with approved quality with necessary nails, wood screws including 1st class local wood 50mm x 12mm ( hollock/ bonsum/ sundi ) beading including paining two coats to timber beads complete as directed ( ceilling joist to be measured and paid separately ). 4.5 mm thick

Providing and fixing clear sheet glass beded in putty and fixed with/without wooden bidding including necessary cutting and glass to be required sized(payment for wooden bead shall be made separately) 2). Area of glass panes exceeding 0.15m2 but not exceeding 0.52m2.

Providing Pre Painted Galvalume Sheet Roofing (PPGL) at all levels including fitting and fixing self drilling, self tapping screws complete (Roof trusses, purlins etc. to be measured and paid separately.) ] TATA Blue scope/ Dyna roof / Durakolor /Wonder Roof or equivalent as directed by the Departement 0.55 mm thick

Providing Pre Painted Galvalume Sheet (PPGL) accessories ( Ridges / Valley / Gutter / Flashing) at all levels including fitting and fixing self drilling, self tapping screws complete. TATA Blue scope/ Dyna roof / Durakolor /Wonder Roof or equivalent as directed by the Departement 0.50 mm thick

Removing white or colour wash by steel wire brushing and/ or scraping, sand papering and preparing the wall surface smooth including necessary repairs to scratches complete.

Finishing wall with water proofing cement paint of approved brand and manufacture and of required shade on old wall surface (one coats) to give an even shade after throughly brooming the surfaces to remove all dirt and remains of loose or softened paint.

Distempering (one coat) with oil bound distemper of approved brand and manufacture and of required shade on old wall surface to give an even shade, after throughly brooming the surface free from dirt, loose scales and other foreign matter and also including preparing the surface even and sand papered smooth.

Applying priming coat over new wood and wood based surfaces over 100mm in girth/width after and including preparing the surface by throughly cleaning oil, grease, dirt snd other foreign matter , sand papering and knotting. With ready mixed paint , Wood primer (pink)

Painting two coats (excluding priming coat) on new wood and wood based surface with enamel paint of approved brand and manufacture (Asian paint/ Berger paint/ ICI paint/ J & N paint/ Nerolac) to give an even shade including cleaning the surfaces of all dirt, dust and other foreign matter sand papering and stopping. Surfaces over 100mm in width or girth. General purpose (Asian paint/ Berger paint/ ICI paint/ J & N paint/ Nerolac).

Painting one coat (excluding priming coat) on previously painted steel and other metal surface with enamel paint of approved brand and manufacture(Asian paint/ Berger paint/ ICI paint/ J & N paint/ Nerolac) to give an even shade including cleaning the surface of all dirt, dust and other foreign matter. .Surfaces over 100mm in width or girth. General purpose (Asian paint/ Berger paint/ ICI paint/ J & N paint/ Nerolac).

Supplying, fitting, fixing anodised aluminium fittings of approved make, resonably smooth, free from sharp edges and corners, flaws and other defects and with counter sunk holes for screws including necessary aluminium screws etc. complete.( anodised to bright natural matt & satin finished ) Sliding door bolts 300 mmm x 16 mmm

Supplying, fitting, fixing anodised aluminium fittings of approved make, resonably smooth, free from sharp edges and corners, flaws and other defects and with counter sunk holes for screws including necessary aluminium screws etc. complete.( anodised to bright natural matt & satin finished ) Tower Bolt 250 mm x 12 mm

Supplying, fitting, fixing anodised aluminium fittings of approved make, resonably smooth, free from sharp edges and corners, flaws and other defects and with counter sunk holes for screws including necessary aluminium screws etc. complete.( anodised to bright natural matt & satin finished ) Door handle 150 mm

Apurba Dev Sarma

BIPUL CH. DAS