Construction of Covered Walkway attached to Store in RCC Building including Construction of Duty Room for Electrical Control Room in RCC

Demolishing R.C.C. work including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge

Demolishing cement concrete including disposal of material within 50 metres lead as per direction of Engineer-in-charge a) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Earthwork in excavation by manual means upto a depth of 2m below the existing ground level for foundation trenches of foundations, footings of column/ walls, retaining walls, septic tank etc. including bailing out water where necessary and removal of surplus earth with all lead and lifts as directed and specified for the following classification of soils b) In ordinary rock (soft rock/ medium rock/ hard shale)

Demolishing brick work including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge

Centering and shuttering including strutting, propping etc. and removal of form for all heights complete and as directed by Engineer in charge Foundations, footings, bases of columns, etc. for mass concrete (using steel)

Supplying, fitting and fixing in position reinforcement bars upto 1stfloor level, conforming to relevant I.S. Code for R.C.C. work/ R.B. walling including straightening, cleaning, cutting and bending to proper shapes and length as per details,supplying and binding with 20G annealed black wire and placing in position with proper blocks, supports, chairs, spacers etc. complete. (Rates inclusive of all wastage,lappage, hooks, chairs, anchorage etc. and no measurement for the same is required) c) Thermo-Mechanically Treated bars

Reinforced cement concrete work in beams, slabs, roofs having slope up to 15o,landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to first floor level, excluding the cost of centering, shuttering, finishing and reinforcement b) M20 or 1:1½:3 (1 cement: 1½ coarse sand: 3 graded stone aggregate 20 mm nominal size)

Providing soling with stone/ best quality picked jhama brick, sand packed and laid to level and in panel after preparing the subgrade as directed including all labour and materials and if necessary dewatering, complete. b) Stone soling (ii) 150mm

Providing and laying cement concrete in retaining walls etc and all works above plinth level such as pilasters, columns, pillars, posts, struts, buttresses, parapets, coping,plain window sills, fillets, sunken floor etc., up to first floor level,excluding the cost of centering, shuttering and finishing b) 1:2:4 (1 Cement:2 coarse sand:4 graded stone aggregate 20 mm nominal size)

Cement concrete floor topping 1:1:2 (1 cement: 1 coarse sand: 2 stone aggregate) finished with a floating coat of neat cement, including cement slurry, complete b) 20 mm thick

Brick work 7 cm thick with common burnt clay (non modular) 1st class brick in cement mortar 1:3(1 cement:3 coarse sand) in superstructure above plinth level and upto first floor level a Cement mortar 1:4 (1 cement:4 coarse sand)

20 mm cement plaster of mix: a 1:4 (1 cement: 4 fine sand)

Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS:733 and IS:1285, fixing withdash fasteners of required diameter and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc.Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing/ panelling, C.P.brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, and panellingto be paid for separately): a) For fixed portion (i) Anodised aluminium (anodised transparent or dyed to required shade according to IS:1868, Minimum anodic coating of grade AC 15)

Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS:733 and IS:1285, fixing withdash fasteners of required diameter and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc.Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing/ panelling, C.P.brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, and panellingto be paid for separately): b) For shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber/ neoprene gasket required (Fittings shall be paid for separately) (i) Anodised aluminium (anodised transparent or dyed to required shade according to IS:1868, Minimum anodic coating of grade AC 15)

Providing and fixing 12 mm thick pre-laminated particle board flat pressed three layer or graded wood particle board conforming to IS:12823 Grade-l Type-ll, in panelling fixed in aluminium doors, windows shutters and partition frames with C.P. brass/ stainless steel screws etc. complete as per architectural drawings and directions of engineer-in-charge. b) Pre-laminated particle board with decorative lamination on both sides

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber/ neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge: c) With float glass panes of 5 mm thickness (weight not less than 12.50 kg/sqm)

Providing and fixing aluminium tower bolts, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS:1868) transparent or dyed to required colour or shade,with necessary screws etc. complete: b) 250x10 mm

Providing and fixing aluminium handles, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS:1868) transparent or dyed to required colour or shade, with necessary screws etc. complete: a) 125 mm

Providing and fixing aluminium sliding door bolts, ISI marked anodised (anodic coating not less than grade AC 10 as per IS:1868), transparent or dyed to required colour or shade, with nuts and screws etc. complete: a) 300x16 mm

Providing and fixing ISI marked aluminium butt hinges anodised (anodic coating not less than grade AC 10 as per IS:1868) transparent or dyed to required colour or shade with necessary screws etc. complete: a) 125x75x4 mm

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10as per IS:1868) transparent or dyed to required colour and shade, with necessary screws etc. complete b) Twin rubber stopper

Applying one coat of water thinnable cement primer of approved brand and manufacture on surfaces: Water thinnable cement primer

Finishing walls with Acrylic Smooth exterior paint of required shade, including scaffolding: a) New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade: New work (two or more coats)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade: New work (two or more coats)

Providing and fixing pre-coated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm(+0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS:277, in 240 MPa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 meter or as desired by Engineer-in-charge. The sheet shall be fixed using self-drilling/self-tapping screws of size (5.5x55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required

Providing and fixing pre-coated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, Zinc coating 120 grams per sqm as per IS:277, in 240 MPa Steel grade, 5-7microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self-drilling/ self-tapping screws complete: a) Ridges plain (500- 600mm)

Supplying, filling, spreading & levelling gravels of size range 5 mm to 10 mm etc

Supplying, filling, spreading & levelling coarse sand of size range 1.5 mm to 2 mm etc

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M-30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge

Supply, fitting and fixing of PVC half round piopes, fitting etc

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS:5382, leaving 10mm gap for thermal expansion, (i) Single socketed pipes b) 110 mm diameter

A) Stone: (i) & (iii) Loading and unloading of stone boulder / stone Aggregate (Excluding Haulage)

B) River sand: (ii) & (iv) Loading and unloading of sand materials (Excluding Haulage)

C) Paver Block: (i) & (iii) Loading and unloading of stone boulder / Paver Block (Excluding Haulage)

Haulage (Excluding Loading and Unloading) A) Stone: Quarry at 23 Km of Shillong -Sohra road (Av Lead = 36 KM)

Haulage (Excluding Loading and Unloading) B) River Sand: Quarry at 21 Km of Shillong -Tamabil road (Av Lead = 27 KM)

Haulage (Excluding Loading and Unloading) C) Paver Block: Nearest Fatory at Jagi Road (Nagoan - Guwahati Road) Average Lead = 130 KM