Repairing Renovation of Passage of 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 wood work in frames, trusses, purlins and rafters including stacking the materials as directed by the department for all levels.

Providing, fitting, hoisting and fixing of roof trusses fabricated out of combination of any two or all of the following sections (i) Square section (ii) Rectangular Hollow section of specification RSH/SHS and (iii) M.S. circular hlollow section of Grade 210 including purlins, bottom runners and providing M.S. cleat, M.S. angle base plank, bolts and nuts with red oxide primer including fitting bottom runner and cleat etc. for fixing ceiling joist as per design complete as directed as per specifications. a) Using TATA make RHS/SHS of Grade 310 conforming to relevant I.S. code 4923 : 1997

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 iv) 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

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 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.

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.

(a) 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.

c) 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.

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. (i).Surfaces over 100mm in width or girth. a). General purpose (Asian paint/ Berger paint/ ICI paint/ J & N paint/ Nerolac).

Mrinmoy Kumar Das

BIPUL CH. DAS