Construction of Science Lab at Govt Sen Sec School Baldwara

Providing and laying in position cement concrete of specified grade including the cost of centering and shuttering - All work up to plinth level :1:4:8 One Cement : four coarse sand) : eight graded stone aggregate 40 mm(Forty millimetre) nominal size including carriage of materials with in all leads and lifts and direction of Engineer- in- Charge.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works within all leads and lifts and other incidentals.and as per the direction of Engineer-in -charge.

Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of T-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer. including cutting to size and shape wherever required.with in all leads and lifts and direction of Engineer- in- Charge.

Kota stone slabs 20 mm (twenty millimetre) thick in risers of steps, skirting, dado and pillars laid on 12 mm (twelve millimetre) (average) thick cement mortar 1:3 (one cement: three coarse sand) and jointed with grey cement slurry mixed with pigment to match the shade of the slabs, including rubbing and polishing complete within all leads and lifts and other incidentals.

Providing and fixing oxidised M.S. hasp and staple (safety type) conforming to IS : 363 with necessary screws etc. complete including carriage of materials with in all leads and lifts and direction of Engineer- in- Charge. 150 mm

Providing and fixing Ist quality ceramic GRC/Unistone wall cladding conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by EngineerinCharge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete with in all leads and lifts and direction of Engineer- in- Charge.

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. .including carriage of materials with in all leads and lifts and direction of Engineer- in- Charge.

Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications : Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of Special primer applied @ 0.75 ltr /10 sqm with in all leads and lifts and direction of Engineer- in- Charge.

Refixing old glass panes with putty and nails . with in all leads and lifts and direction of Engineer- in- Charge.

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm ( Thirty centimetre) in depth, 1.5 m ( One point five metre) in width as well as 10 sqm ( Ten square metre) on plan) including getting out and disposal of excavated earth lead upto 50 m fifty metre) and lift upto 1.5 m( One point five metre), including all leads and lifts and as per the direction of Engineer- in-Chrage.

Providing weep holes in brick masonry / Stone masonry / plain/reinforced concrete in retaining walls, breast walls and the like with 100mm ( One hundred ) dia PVC pipe extending through the full width of the structure with slope of 1 vertical : 20 horizontal towards drawing face complete as per drawing and technical specification clauses 614,709,1204.3.7 in all leads and lifts and carriage of material by all modes of transportation as per the direction of Engineer- in-Chrage.

Back filling behind retaining walls, breast walls, abutments, wing walls and return walls complete as per drawing and technical specifications clause 1204.3.8 in all leads and lifts and carriage of materials by all modes of transportation and as per direction of Engineer-in-Charge.