Maintenance work

Earth work excavation for foundation by manual means for Isolated, Combined and Other type foundations in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with filling Crushed Stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with Stone Dust in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers - Mixing by mechanical means

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner, vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor / Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting above 3.60m upto 4.90m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m (expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2.40 x 3.0m (expandable upto 4.90m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c and with Cross bracings provided at two levels at a spacing of 1.80m etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Rectangular Column

Circular Column

Providing and laying in position, Standardised Concrete Mix M-30 Grade using In-situ Concrete batching plant/ Ready Mix Concrete (RMC) adopting weigh batch method in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m') 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including Conveyance of concrete from batching plant to Work site, Electricity charges and other works & labour cost involved for concrete production, laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

Foundation and Basement

Ground Floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Brick work in following Cement Mortar using best quality Fly ash Brick of size 230x110x70mm with class designation of 7.5 conforming to IS 13757-1993 or IS 12894-2002 for foundation and basement including Cost of Mortar Plasticizer, curing, etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally. other type of bond shall be done as directed by the Executive Engineer in charge.

For foundation & basement

In Ground floor

Paving the floor with best quality double charged vitrified Tiles of size 600x600x8mm and variety conforming IS 15622 with water absorbtion less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Paving the floor with best approved quality fine polished Granite Stone Slabs of size 1200x600 of 18/20 mm thick and Jet Black with machine cut edges laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer and laid in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments etc., complete complying with standard speicification and as directed by the departmental officers.(The granite stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work)

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used, hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with GI/1mm 125GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with Espag multi power point locks and also it operates handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown colour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the Executive Engineer before use on work

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Louvered Ventilators of from the profile the size of outer frame 60mm x 58mm and shutter profile size of 60 x 78mm both profiles are reinforced with GI/1mm 125GSM and 100% corrosion free, the profile are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with all over the edges of frame and shutter. The corners and joints should be welded and cleaned. Radiations pin headed glass 4mm thick should be provided in the louvers. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The ventilator should be got approved from the Executive Engineer before use on work

Supplying and fixing Mild Steel grills for windows, ventilators etc.,complete complying with standard specifications and as directed by the departmental officers.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Painting the walls with two coats of wall putty as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications and as directed by the departmental officers. (The wall putty shall be got approved by the Executive Engineer before use of work).

Painting the wall two coats with approved weather proof Exterior Emulsion paint over one primer coat on cement plastered wall surface ect., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing teak wood hand rails with an over all finsihed size of 50 x 150mm with architectural designs as directed and fixing in position etc., including polishing two coats with french (LAC) polish over a coat of bee's waxing complying with standard specification etc., complete and as directed by the departmental officers . The wooden hand rails shall have 12mm groove on both faces at 50mm from top polished and the groove should be painted with black paint. The bottom of hand rails should be grooved to receive the MS flats 40 x 6mm welded with square rods of balustrades.

Supplying and fixing in position steel balustrades using 20mm square rods spaced at 150mm centre to centre so that the two balustrades in each step shall be placed centrally and the top of balustrades connected with the hand rails (cost of hand rail shall be measured and paid separately) by means of MS flats of size 40mm x 6mm in the groove 40mm x 6mm provided at the bottom of hand rail; the bottom of balustrades shall be fixed on to the top of step concrete. An additional MS flat of size 50mm x 6mm shall be provided at the centre of balustrades connecting all square rods to the entire length including cost of square rods, flat and applying one coat of red oxide primer to the iron surfaces, etc., complete complying with standard specification and as directed by the departmental officers.

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no crushed stone sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the departmental officers.

Finishing the top of roof with one course of machine pressed tiles of size 230x230x20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Crushed stone Sand) 12mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes 110mm dia PVC Pipe having a pressure of 4 kg. / sq.cm including cost of necessary PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of "U" clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing special type mirror of size 1000 × 780 mm, of approved quality and brand PVC / Fibre Glass framed 600 x 450 x 5.5mm thick mirror, shelf type with hard board backing of approved colour fixed with brass screws, rawl plug, etc., complete complying with standard specification. (The mirror should be got approved by the Executive Engineer before use on woks)

Supply and Installation of HDFR False ceiling, square edge, magnesia cement core panels of size 1200x2400x10mm, volume density 1000kgs/m3, weight 10kg/m2, GreenPro certified, installed by using Strut ceiling framework. The Strut ceiling framework system shall include Strut WC25, fully knurled, sectional thickness 0.55mm, length 3600mm, unequal flanges of 20 & 30mm and web of 25mm, fixed along the perimeters of the wall with nylon sleeves and suitable fasteners at every 300mm centers. Then suspend Strut MC45, fully knurled, sectional thickness 0.8mm, length 3600mm, equal flanges of 15mm and web 45mm from the soffit at 1200mm centers with Strut SA25, fully knurled, Suspender angle with sectional thickness 0.55mm, unequal 1 flanges of 25 & 10mm. Strut CC25, fully knurled, sectional thickness 0.55mm, length 3600mm, web 35mm, depth of 25mm and equal flanges 9.5mm is fastened to the Strut MC45 perpendicularly at 400mm centers. HDFR 1200x2400x10mm is installed on the Strut CC25 with self drilling drill tip fasteners in a staggered manner. Long edges of panels should be perpendicular to length of strut CC25, 4mm gap should be maintained between adjacent boards on all sides and filled and finished with Seam Kit. Technical Parameters Fire (Class)-1 & P Thermal (W/mk)-0.118 Climate ("C, RH) -50, 95 Light (%) -Paint dependant, Green (VoC, RC %) - Low, 30 as directed by the department officers. The cost includes, cost of material, cost of labour, Scaffolding, Transportation, Conveyance Etc. complete complying to standard specification.

Providing Cornice Work for Gyp Board False Ceiling using plaster of paris below the existing Gyp board flase ceiling as directed and designed by the departmental officers. The rate is inclusive of cost all materials, labour charges and scaffolding charges etc., complete complying with standard specification as directed by the departmental officers.

Providing ornamental groove of 25 mm depth on plastered surfaces using cement mortar 1:3, including preparation of the surface by cleaning and marking the groove lines as per drawings, applying cement slurry where necessary, and forming the groove to the required depth and profile using approved tools to ensure uniform width, alignment, and smooth edges. The work shall include mixing of cement mortar in the specified proportion, applying and shaping the groove neatly without chipping, finishing the surface to a smooth and clean appearance, and curing the groove and surrounding area for a minimum of seven days. All materials, labour, tools, scaffolding, and incidental charges required for the complete execution of the work shall be included, and the finished groove shall conform to the required dimensions and quality standards.

Providing ornamental circular column capital of 0.45 m depth over existing 450 mm diameter column using cement mortar 1:3, including surface preparation, forming to profile with approved moulds, finishing smooth, curing, scaffolding, and all materials, labour and incidental charges etc., complete as per standard specification and as directed by the deparmental officers.

Providing ornamental circular column Base of 0.45 m depth over existing 450 mm diameter column using cement mortar 1:3, including surface preparation, forming to profile with approved moulds, finishing smooth, curing, scaffolding, and all materials, labour and incidental charges etc., complete as per standard specification and as directed by the deparmental officers.

Providing ornamental band of 100 mm depth over the existing structure using cement mortar 1:3, including surface preparation, forming to the required profile, finishing smooth, curing, scaffolding, and all materials, labour and incidental charges complete.

Providing and fixing plaque stone of Black Jet / Red Granite, 18 mm thick, including engraving of approved content, polishing, surface preparation, fixing with adhesive/epoxy, finishing, cleaning, curing (where required), scaffolding, and all incidental charges complete as directed by the deparmental officers.

Providing and fixing acrylic name board of approved size, thickness and design as approved by the departmental officers, including fabrication of board and frame, lettering in approved style, preparing the surface, fixing in position with necessary supports and fasteners, finishing, cleaning and all materials, labour, tools, scaffolding and incidental charges complete as directed by the deparmental officers.