Construction of Innovative Science Lab with smart class room at Judhabir High School under Gorubathan Development Block in Kalimpong District

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. a)Depth of excavation not exceeding 1500 mm

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work)

Single Brick flat soling of picked jhama bricks including ramming and dressing bed to proper level, and filling joints with powered earth or local sand.

(I) Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor (B) [N.B Variety] Stone Metal (a) 1:3:6 proportion

25mm. thick damp proof course with cement concrete with stone chips (1:1.5:3) [with graded stone aggregate 10 mm nominal size] and admixture of water proofing compound as per manufacturer's specification followed by two coat of polymer based paint, (1st coat after 4 to 5 days of concrete laying and 2 nd coat just before brick masonry work) as directed (cost of water proofing compound & polymer based paint to be paid separately).( Chequering not required over concrete or painted surface).

Brick work with 1st class bricks in cement mortar (1:6) (a) In foundation and plinth

Brick work with 1st class bricks in cement mortar (1:6) (b) In Super Structure, ground Floor

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety.

Hire and labour charges for shuttering with centering and necessary staging upto 4mm, using approved scout props and thick hard wood planks of approved thickness with required bracings for concrete slabs, columns, lintels, beams etc. curved or straight, including fitting, fixing and striking out after completion of works (upto roof of ground floor). a) 25 mm to 30 mm thick wooden shuttering as per decision and direction of the Engineer-in-Charge.

Reinforcement for reinforced concrete work in all sort of structures including distribution bars, stirrups, binders etc. including supply of rods, initial straightening and removal of loose rust (if necessary) cutting to requisite length, hooking and bending to correct shape, placking in proper position and binding with 16 gauge black annealed wire at every inter- section, complete as per drawing and direction.

125mm thick brick work with 1st class bricks in cement mortar (4:1) in ground floor. Extra for using approved H.B netting in every third layer in 16 & 17 of subhead A above in any floor

Wood work in door and window frame fitted and fixed in position complete including a protective coat of painting at the contact surface of the frame exluding cost of concrete, Iron Butt Hinges and M.S clamps. (The quantum should be correted upto three decimals). (c) Sal : Siliguri

Supplying, fitting and fixing M.S. clamps for door and window frame made of flat bent bar, end bifurcated with necessary screws etc. by cement concrete(1:2:4) as per direction. (Cost of concrete will be paid (a) 40mm X 6mm, 250mm Length

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

Iron socket bolt of approved quality fitted and fixed complete. d) 225mm long x 10mm dia bolt.

(c) 150mm long x 10mm dia bolt.

i) Iron hasp bolt of approved quality fitted and fixed complete (oxidised) with 16mm dia rod with centre bolt and round fitting. 300mm Long

Iron catch hook of approved quality fitted and fixed to shutter and chowkat.

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:

Supplying, fitting and fixing hinge cleat in position excluding the cost hinge and other fiffitngs b) with 75mm iron Butt-hinge i) Sal : Siliguri

Renewing 125mm long wooden buffer block i) With Sal : Siliguri

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement). Using grey cement (iii) 35 mm. thick

Styles and rails of wooden shutters fitted and fixed complete. (Payment to be made on area of new work only). In Ground Floor: (iv) 40mm. Thick shutter a) Ordinary Teak Wood.

(a) M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor (i) Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking outs joints or roughening of concrete surface by chamfering etc. including throating, nosing and drip course where necessary (Ground floor). Excluding cost of chipping over concrete surface] (ii) With 1:4 cement mortar a) 10mm thick plaster.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking outs joints or roughening of concrete surface by chamfering etc. including throating, nosing and drip course where necessary (Ground floor). Excluding cost of chipping over concrete surface] (ii) With 1:4 cement mortar b) 15mm thick plaster.

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

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking outs joints or roughening of concrete surface by chamfering etc. including throating, nosing and drip course where necessary (Ground floor). Excluding cost of chipping over concrete surface] (i) With 1:6 cement mortar c) 15 mm thick plaster.

Neat cement punning about 1.5mm thick in wall, dado, window, sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

White washing including cleaning and smoothening surface thoroughly. (c) Three coats (on new works only).

Applying decorative cement based paint of approved quality after preparing the surface including scraping the same thoroughly (plastered or concrete surface) as per manufacturer's specification. (i) Two coats.

b) Priming one coat on timber or plastered surface with synthetic oilbound primer of approved quality including smoothening surfaces by sandpapering etc

(a) Priming one coat on steel or other metal surface with synthetic oilbound primer of approved quality including smoothening surfaces by sandpapering etc.

(A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sandpapering etc. including using of approved putty etc. on the surface, ifnecessary : a) On timber or plastered surface :With hi-gloss of approved quality- (iv) Two coats (with any shade except white)

b) On steel or other metal surface :With super gloss (hi-gloss) -

Supplying fitting fixing UPVC Pipe with all necessary clamps nails including making holes in walls. (110mm dia) singlesocketed 3 meter length

Cost of Ramp

Add Cost of Electrification (B)

Add Cost of Furniture (C)

Labour Cess @ 1 % including GST

Please Enable Macros to View BoQ information