Public Works Department Tender

Dismantling Plain Cement Concrete

Dismantling Floor finish & dadooing walls in cement mortar with Mosaic Tiles / Glazed Tiles / Clay Tiles / Cuddapah Slabs

Dismantling RCC by manual / by using deploying machineries

Doors and Windows including removal of frames, hinges and fastenings

Earth work excavation for foundation 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 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Supplying and filling in foundation, basement, etc with filling 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.

Providing Pre-Construction Anti-Termite treatmemnt and creating a chemical barrier to the building by injecting chemical emulsion of required concentration under grade slab and grade beam, all round the pikle caps, Catch basins, tranches, pits, tunnels, wall tranches, back fill, plinth filling, junction of wall and floor. External perimetre of building, surrounding old pipes, expansion joints, below U.G.sump and retaining/sides walls etc as per instructions of chemical manufacturer asdirected by the departmental officers/ Architect. The treatment shall be carried out strictly in accordance with the technical specficaton and conforming to IS 6313 or equalent BS specification. The Chemical to be use as insecticide for the treatment shall be Biflex Tc,TC stands for Tericide concentrate for Termite control (Bifenthrin) and the application shall be diluted 1 part of chemical Biflex Tc with 49 parts of water to get 0.05% emulsion and stictly in accordance with the manufactures specification. Including cost of chemicals labour charges, trasport and strong etc cmoplete and as directed by the departmental officers.

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

Supplying and filling well Gravel by lorry in basement filling including conveyance loading and unloading charges and all other incidental charges, filling laying watering and consolidation etc complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five 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 curing etc. complete complying with standard specification

Brick work in In Cement Mortar 1:5 (one cement and five sand) using best quality II Class Ground Moulded Chamber Burnt Brick of size 9" x 4 3/8" x 2 3/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

In Foundation and Basement

In Ground floor

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, 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 over silver oak joists of size 10cm x 6.5cm spaced at about 75cm 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 sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

For plane surfaces such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall, etc.

Providing and laying in position, standardised concrete Mix M-20 Grade in accordance using 20mm with IS:456-2000, and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/ms and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 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 sand,

but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including 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).

In Foundation and Basement

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Cement Concrete 1:5:10 (One cement, Five sand and Ten hard broken stone) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers

Paving the floor with best approved quality Flamed steel grey granite slab 1200mmx600mm,16mm to 18mm thick with machine cut edges laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three sand) fixing the slabs with required cement slurry 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., The granite stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Fixing of statues on pedestal using Cement mortar 1:3 mortar or as directed by Conservation Architect and engineer in charge

Brick on edge flooring with bricks of class designation 7.5 on a bed of 12 mm cement mortar, including filling the joints with same mortar, with common burnt clay non modular bricks: 1:3 (1 cement : 3 coarse sand)

provision of decorative teak wood eave board along sloped rood edges

Providing and Fixing the seasoned teak wood for scantling and planks for heritage works in Wooden Rafter Beams of different sizes for supporting on roof Tiles and sunshade tiles. The rate inclusive of all materials, labour power and conveyance of materials to the work site, loading & unloading etc., and as per drawing and design by the Departmetnal Officers and All the materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.

Wooden Beams -150mm X 100mm

Wooden Rafters -100mm X 50mm

Supply and fixing Granite stone column, Beam hooks and columns base of heritage type of design and dimensions as per architectural drawing.

Supply and installation of wall cladding with Flammed finish granite stones with cutting edges and drilling holes and fixing the clip with nails of the wall or Column and Install the granite laid over a clip using required materials 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., The granite stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete and complying as per standard speicification.

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Painting new wood work with two finishing coats of synthetic enamel ready mixed paint of approved quality and colour over one coat priming coat in all floors including the cost of primer etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Providing and laying mangalore tiles on the sloped pitched roof whereever required, above double layered wooden reapers, flat ceiling tiles ensuring no water leakage and as specified by Conservation Architect and engineer. (approved heritage data)

Manufacturing, supplying and fixing in position plain cement concrete precast kerb slab of size 600mm x 600mm x 100mm in Cement Concrete 1:2:4 (One cement, Two sand and Four jelly) using 20mm HBG stone jelly including cost of moulding charges, casting of slab, finishing, curing, fixing and pointing the slab with CM 1:3 (One Cement and Three Sand) to full depth of slab etc., complete complying with standard specification and as directed