Construction of new school building of Lingten Primary School at Lingten, Bijanbari under Education Department, GTA

Earth work in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils within a lead of 75m. 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 1.500 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). '(a) With earth obtained from excavation of foundation.

Brick soling with picked jhama bricks including preparation of bed as necessary, with brick joints properly filled in and packed with powdered earth and including necessary cushion of similer material below the soling (and in between layers when more than one layer is used) complete as per direction. '(b) double brick flat soling (thickness 75 mm.).

Rubble masonry in cement (1:4) with hard dressed stones from approved quarries and clean, coarse and washed sand including carriage of all materials to site 'In Fine dressed work in Building

(I) Cement concrete with graded stone ballast (40 mm size) excluding shuttering.In ground floor. '(B) With N.B variety stone metal.

25 mm. thick damp proof with cement concrete (1:1.5:3) (withgraded stone aggregate 10 mm. normal size) and painting thetop surface with a coat of bitumen [VG.40 ] using 1.7 kg. persq.m. including heating the bitumen and cost and carriage ofall materials complete. [Bitument to be supplied by theAgency]

Ordinary cement concrete (mix 1:1.5:3) with graded stone chips (20mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant codes.'(b) River bazree.

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

Hire and labour charge for shuttering with centreing and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thick ness with required bracing for concrete slabs, beams, columns, lintels curved or staight including fitting fixing and striking out after complection of works. (up to roof of ground floor). '(a) 25 mm. to 30 mm. thick wooden shuttering as per decision & direction of the Engineer-in-charge. .

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground 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 excluding cost of concrete, Iron Butt Hinges and M.S clamps. (The quantum should be corrected up to three decimals). '( f) Sishu,gamar, champ,badam, bhola, mogra, hallak

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 separately). '(a) 40mm x 6mm, 250mm Length .

Supplying, fitting and fixing windows and ventilators with or withoutintegrated grills conforming to IS 1038-1975 and manufactured fromrolled steel sections conforming to IS 7452-1974 with non-frictionprojecting type, box type hinges, glazing clips, lugs locking bracket,handle plate etc, including hoisting in position, straightening ifrequired, fixing lugs in cement concrete ( 1:2:4) with stone chips 20mm down cutting holes and mending good damages to match withexisting surface complete in all respect excluding glazing.(Add extra @ 1.2 % for each additional floors upto 4th floor and @1.5% for each addl. Floor above 4th floor.)In Ground floorFlash butt welded windows and ventilators(No shop priming will be allowed to facilitate inspection ofworkmanship)Without integrated grill '(b) Openable steel windows as per IS sizes with side hung shuttersand horizotal glazing bars. [The extra rate admissible for theopenable portion only]

Supplying solid flush type door of commercial quality the timber frame consisting of top rail and bottom rail…etc.'b) 35mm. Thick shutter

Glazed shutters of doors, window, fan light, clerestory windows etc. as per design (with ordinary glass of 7.4 kg./sq.m.,3 mm. thick) fitted with putty bed and teak wood bead and nails including fitting and fixing shutter in position but excluding the cost of hinges and other fittings , cost of glass , putty, wooden beads etc which will be paid separately.in ground floor. '(ii) 35 mm. thick shutters. ' (b) sishu,gamar,Champ,badam,bhola, mogra,Hallak, .

Iron Butt hinges of approved quality fitted and fixed with steel screws with ISI mark.'(v) 100 mmx 50mm x 1.25 mm.

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

Anodised aluminium decorative handle (hexagonal / fluted) of approved quality fitted and fixed complete. '(i) 150 mm plate x 10 mm. dia rod x 12 mm. hexagonal/flutted.

Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering conrners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor). [Excluding cost of chipping over concrete surface].'(ii) With 1:4 cement mortar .

Wood Work in Post, Post plates, rafters, battens, purlins etc fitted and fixed complate ( excluding the cost of bolts, paints but including the cost of nails, screws etc..

Galvanised Corrugated Iron sheet work (excluding the supporting frame work) fitted and fixed with 10mm dia J or L hook bolts, limpet and bitumen washers and putty complete with 150mm end lap and one corrugation minimum side lap…'i) In Roof

Galvanised Iron sheet ridging fitted with necessary bolts, screws, washers etc complete.( 225mm end lapping).'a) 300mm lapping each way 'b) with 0.63mm thick sheet

Galvanised Iron sheet eaves gutter fitted and fixed with necessary 50mmx 6mm M.S. flat bars clamps bent to design….

Ceiling of commercial ply as per design fitted and fixed complate ( excluding the supporting frame work but including necessary wood battens of size 40mm x 20mm).

(b) Priming one coat on timber or plastered surface with synthetic enamel oil bound primer of approved quality including smoothening surfaces by sand papering etc.

(A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand parpering etc. in cluding using of approved putty etc. on the surface , if necessary. '(a) On timber or plastered surface: '(1) With super gloss (hi-gloss). '(iv) Two coats (with any shade except white). .

(A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand parpering etc. in cluding using of approved putty etc. on the surface , if necessary. '(b) On steel or other metal surface: '(1) With super gloss (hi-gloss). '(iv) Two coats (with any shade except white). .

Protective and decorative Acrylic exterior emulsion paint of approved quality , as per manufacture specification as per direction of EIC to be apply over Acrylic primer as required. the rate included cost of material , labour scaffoldic and all incidential charges but excluding the cost of primer.In ground floor ( two coat). '(a) Normal Acrylic emulaion.

Acrylic Distemper to interior wall, ceiling with a coat of solvent basedinterior grade acrylic primer (as per manufacturer's specification)including cleaning and smoothning of surface.Two Coats

Artificial stone in floor, dado, staircase etc. with cement conctrete (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.

Supplying best Indian sheet glass panes set in putty (as per I.S. specification) and fitted and fixed with teak wood beads and nails complete (In all floors for internal upto 6 m height for external wall). '(i) 3 mm. thick (weighing 7.4 kg/sq.m.).

Plum Concrete work with 40 % Cement Concrete with 30 mm down graded stone metal and 60% stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any.

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. and cutting trenches in any soil through masoury concrete structures etc. if necessary and mending good damages including jointing with jointing materials (Spun yarn, valamoid / bitumen/M.seal etc) complete. '(A) UPVC PIPES. '(ii) 110mm Dia.