Academic Building, Govt. Residential School, Pagba Kurung Kumey District

SH:I-ACADEMIC CUM ADMINISTRATION BLOCK BUILDING(G+1)

Earth work in excavation in foundation and trenches etc. in all kinds of soil (excluding soil containing 50% or more of shingle or small size boulders upto 30 cm size, saturated soil and rock), lift upto 1.50 m and stacking the excavated soil not more than 3 m clear from the edge of the excavation and returning the stacked soil in 15 cm layers, when required, into plinth sides of foundation etc consolidating each deposited layer by ramming and watering, and then disposing of all surplus soil as directed within a lead of 50m.

Filling in plinth with sand under floors including watering, ramming, consolidating and dressing complete.

Providing and laying in foundations and plinth cement concrete 1 : 4 : 8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering.

Providing and laying damp proof course 38 mm thick with cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : 4 stone aggregate 12.5 mm nominal size).

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in: a) M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Reinforcement cement concrete work in columns, pillars, post and struts etc. up to floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centring, shuttering and reinforcement. a) M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete work in lintels, beams and bressumers up to floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centring, shuttering and reinforcement. a) M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete in suspended floors, roofs, landings and balconies upto floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centring and shuttering and reinforcement with M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Centring and shuttering including strutting, propping etc and removal of form work for: (a) Foundation, footings, bases of columns etc. and mass concrete.

(b) Column Pillars Struts.

(c) Lintels, beams, girders, bressumers and cantilevers etc.

(d) Suspended floors, roofs, landings shelves and their supports, balconies and chajjas.

Reinforcement of RCC work including bending, binding and placing in position complete. b) Tar/ TMT steel

Brick work with best available local bricks in foundations and plinth in cement mortar 1:4 (1 cement : 4 fine sand).

Half brick masonry (with best available local bricks) in cement mortar 1:3 (1 cement : 3 coarse sand) in foundation and plinth.

Extra for half brick masonry in superstructure above plinth level and up to floor two level.

Providing approved best available local wood (Class B-II) work in frames of doors, windows, clerestory window and other frames, wrought framed and fixed in position.

Providing and fixing 44 mm thick best available local wood Class - B I (19 mm batten and 25 mm bracing) battened and braced doors and windows shutters including providing and fixing necessary bright finished or black enamelled Thinges, butt hinges, sliding door bolts, tower bolts and handles with necessary bolts and nuts and screws complete.

Providing and fixing factory made plastic door shutters, decorative type, with necessary screws and all fittings as per the direction of Engineer-in-charge.

Providing and fixing 40 x 3 mm flat iron hold fasts 40 cm long including fixing to frame with 10 mm dia bolts, nuts and wooden plugs and embedding in cement concrete block 30 x 10 x 15 cm in 1:3:6 (1 cement: 3 sand : 6 hard stone chips 40 mm nominal size).

Providing and fixing best available local wood glazed shutters for doors, windows and clerestory window using 7.5 kg/Sq.m. (3 mm thick glass panes) including black enamelled MS butt hinges with necessary screws. b) 30 mm thick

Providing and fixing MS grills of required pattern in wooden frames of windows etc with MS flat, square or round bars with round headed bolts and nuts or by screws. a) Plain Grill

Providing and fixing 12 mm thick and 100 mm wide pelmet with 25 mm dia wooden curtain rod and brackets including fixing with 25 x 3 mm MS flat 10 cm long and plugs etc complete. a) Timber class - A IV

Providing and fixing MS fan clamp type I of 16 mm dia MS bar bent to shape with hooked ends in RCC slabs during lying including painting the exposed portion of loop all as per standard design complete.

Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer. c) G.I. pipes

Cement concrete flooring 1 : 2 : 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement. a) 40 mm thick.

Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS : 15622, of approved make, in all colours and shades, laid on 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete b) Size of Tile 600x600 mm

Providing and laying Vitrified tiles in different sizes (thickness to be specified by manufacturer), with water absorption less than 0.08% and conforming to IS. 15622, of approved make, in all colours & shade, in skirting, riser of steps, over 12 mm thick bed of cement mortar 1:3 (1 cement: 3 coarse sand), including grouting the joint with white cement & matching pigments etc. complete. b) Size of Tile 600x600 mm

White glazed tiles 5mm thick in flooring, skirting, risers of step and dado in 12 mm thick cement plaster 1 : 3 (1 cement: 3 coarse sand) painted with white cement slurry.

Providing and applying plaster of paris putty of 2mm thickness over plastered surface to prepare the surface even and smooth complete.

12 mm cement plaster 1 : 4 (1 cement : 4 fine sand).

15 mm cement plaster 1 : 4 (1 cement : 4 fine sand) on the rough side of single or half brick wall

Distempering with dry distemper of approved brand and manufacture (two or more coats) and of required shade on new work including priming coat of whiting to give an even shade.

Painting two or more coats (excluding priming coat) with superior ready mixed paint for wood work of approved brand and manufacture in all shades on new work to give an even shade.

Applying priming coat with ready mixed genuine red lead paint of approved brand and manufacture on steel work.

Painting two or more coats (excluding priming coat) with superior ready mixed paint for steel work of approved brand and manufacture in all shades on new work to give an even shade.

Making plinth protection 50 mm thick of cement concrete 1 : 3 : 6 (1 cement : 3 coarse sand : 6 stone aggregate using 20 mm nominal size) over 75 mm bed of stone ballast 40 mm nominal size well rammed and consolidated and grouted with fine sand including finishing the top smooth.

Construction of cement concrete drain 30 cm wide and 23 cm deep in cement concrete 1 : 3 : 6 (1 cement : 3 sand : 6 hard graded stone chips or shingle 40 mm and down gauge) 8 cm thick on sides and bottom and plastering and all exposed surfaces with 12 mm thick cement mortar 1 : 3 (1 cement : 3 coarse sand) including shuttering complete.

Providing and fixing GI pipes complete with GI fittings and clamps including cutting and making good the walls (internal work) a) 15mm nominal bore.

Providing and fixing GI pipes complete with GI fittings including trenching and refilling etc (external work). a) 40mm nominal bore

Providing and fixing brass bib cock of approved quality. a) 15mm nominal bore

Providing and fixing brass stop cock of approved quality. a) 15mm nominal bore

Providing and fixing white vitreous china water closet squatting pan (Indian type WC pan) size 580 mm with 100 mm and sand cast iron P or S trap, 12.5 Litre high level CI flushing cistern (of approved make) with fittings RS or CI brackets, 32 mm dia galvanized steel telescopic flush pipe with fittings and clamps 20 mm GI over flow pipe with specials and mosquito proof coupling of approved municipal design and GI chain and pull complete including painting of cistern and fittings, cutting and making good the walls and floors where required. a) Long Pan pattern WC Pan

Providing and fixing white vitreous china wash basin with RS or CI brackets painted white 15 mm CP brass pillar taps and CP brass chain with rubber plug 32 mm CP brass waste of standard pattern, 32 mm dia CP brass trap and MI unions complete, including cutting and making good the walls where required. a) Flat back wash basin size 550x400 mm with a pair of 15 mm CP brass pillar taps of heavy quality.

Providing and fixing 600x450 mm bevelled edge mirror or superior glass (of approved quality) complete with 6 mm thick asbestos sheet ground fixed to wooden cleat with CP brass screws and washers.

Providing and fixing CP brass waste for wash basins and sinks. a) 32 mm dia

Providing and fixing MI fisher union for wash basin and sinks. a) 32 mm dia

Providing and fixing CP Brass or MI trap for wash basin and sinks. a) 32 mm dia

Providing and fixing on wall face asbestos cement soil, waste and vent pipes including jointing with spun yarn soaked in bitumen and cement mortar 1 : 2 (1 cement : 2 coarse sand) complete. a) 100 mm dia

Cutting chase in brick masonry walls for fixing 100 mm dia sand cast iron pipes and making good the same with brick work in cement mortar 1 : 3 (1 cement : 3 fine sand).

Earth work in excavation in foundation and trenches etc. in all kinds of soil (excluding soil containing 50% or more of shingle or small size boulders upto 30 cm size, saturated soil and rock), lift upto 1.50 m and stacking the excavated soil not more than 3 m clear from the edge of the excavation and returning the stacked soil in 15 cm layers, when required, into plinth sides of foundation etc consolidating each deposited layer by ramming and watering and then disposing of all surplus soil as directed within a lead of 50m.

Extra for every additional lift of 1.50 m or part thereof for earth work in all soils including shingles, small size boulders upto 30 cm size but excluding saturated soil and rock.

Providing and laying in foundations and plinth cement concrete 1 : 4 : 8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering.

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in a) M20 (1 : 1.5 : 3, 1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete in walls (any thickness) including attached pilasters, buttresses, plinth and string course, fillets etc. from top of foundation up to floor two level including finishing and plastering the exposed surfaces with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface excluding cost of centring, shuttering and reinforcement in a) M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete in suspended floors, roofs, landings and balconies upto floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centring and shuttering and reinforcement with M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Reinforcement of RCC work including bending, binding and placing in position complete. a) Cold twisted bars

Centring and shuttering including strutting, propping etc. and removal of form work for: (a) Suspended floors, roofs, landing shelves and their supports, balconies and chajjas (3.50m height)

(b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

12 mm thick cement plaster 1:3 (1 cement : 3 fine sand)

Neat cement punning

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement. a) 40 mm thick.

Providing and fixing C.I. manhole cover

Providing and fixing of 80 mm air vent pipe of 2.00 Mtr length.

Constructing brick masonry manhole with 2nd class bricks in cement mortar 1:5 (1 cement : 5 fine sand) RCC top slab with 1:2:4 mix (1 cement : 2 coarse sand : 4 stone single 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand : 8 stone aggregate 40 mm nominal size) inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making channels in cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 stone aggregate 20 mm nominal size) neatly finished complete as per standard design. a) Inside size 90 x 80 cm and 45 cm deep including CI cover with frame (light duty) 455 x 610 mm internal dimensions total weight of cover and frame to be not less than 38 Kg (weight of cover 23 Kg and weight of frame 15 Kg).

Making soak pit 2.50 m dia 3 m deep with 45 x 45 cm dry brick honeycomb shaft and SW drain pipe 100 mm dia 1.80 m long complete as per standard design.

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