Public Works Department Tender

Supplying and filling in foundation, basement, etc with filling M-sand in layers of not more than 15cm 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 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

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 with conveyed earth in layers of not exceeding 30cm thick, well rammed and consolidated including watering using power roller by hire basis etc.,The rate is conveyance charges, loading and unloading , refilling charges and hire charges for power roller machine etc., complete

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 RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

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

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

For Circular columns

Providing additional strutting to centering of RCC slabs of plain surface for every additional 1.0 metre height or part thereof but not less than 30 cm, over the initial 3.00 metre height from floor level using casurina props of 10cm to 13cm dia including cross bracing etc., complete complying with standard specification and as directed by the department officers.

Providing and laying in position, Standardised Concrete Mix M-30 Grade 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 kglms and maximum water cement ratio of 0.45, 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 (5.0 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 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).

Foundation & Basement

In Ground floor

In First floor

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)

Brick work in following Cement Mortar 1:5 (One cement and five sand) Fly Ash Bricks of 230 x 110 x 70mm size conforming to IS: 12894-1989 Class designation not less 50 kg./ sq.cm. average compressive strength in cement mortar 1:5 for load bearing structures for foundation and basement and for superstructure including curing, etc., complete complying with standard specifiction.

For foundation & basement

Brick work in following Cement Mortar 1:6 (One cement and six sand) Fly Ash Bricks of 230 x 110 x 70mm size conforming to IS: 12894-1989 Class designation not less 50 kg./ sq.cm. average compressive strength in cement mortar 1:5 for load bearing structures for foundation and basement and for superstructure including curing, etc., complete complying with standard specifiction.

In Ground floor

In First floor

Laying of screed concrete using Cement concrete mix 1:2:4 ( one cement, two sand and four hard broken stone jelly) using HBGS 6-10mm ISS metal for wearing coat including laying, compacting, finishing and curing etc., complete as per standard specification and as directed by the departmental officers

Paving the top of roof with solar reflective ceramic tiles (required design) of 305x 305x 7mm thick of approved quality and colour laid in cement mortar 1:3 (One cement and three sand) 20mm thick and pointed with tile grout (Nitotile Grout or equivalent) and cement in the ratio of 1:3 for joint ,curing etc., complete complying with the standard specification and as directed by the departmental officers. (The make and brand of the tiles (Johnson endura or equivalent) should be got approved by the Executive Engineer before use on works)

Paving the floor with best approved quality fine polished Granite Stone Slabs of size 1200 x 600 of 18 / 20mm thick of Synthetic Grey, Paradise and similar varieties 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 specification.

Paving the floor with best quality Double Charged Vitrified Tiles 800 x 800 x 10mm of approved colour, shade andquality laid in cement mortar 1:3 (one cement and three sand) 20mm thick in all floors and the top pointed with the white cement mixed same colour pigments etc., complete complying with standard specification. (The make and brand ofthe tiles should be Johnson / Kajaria / Somany / Nitco / RAK which has to be got approved by Executive Engineer before use on works).

Providing grooving to granite slab at the intermediate edges of the vertical face with neat finishing etc complete with standard specification and as directed by the departmental officers. The cost including higher charges of machines and labour charges etc complete

Providing semi nosing to granite slab at the edges of the vertical space with neat finishing etc complete with standard specification and as directed by the departmental officers.The cost including higher charges of machines and labour charges etc complete

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick mixed with bonding agent Cebex 112, Zydex-Zycrete 2X or Other equalent compound conforming to BIS at 200ml of One cement bag (50Kg) for increased workability and air entrainment used finishing in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and applying of two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothly with grinding machine and the surface shall be thoroughly cleaned out of dust and scrubbing. The surface shall then be allowed to dry for atleast 48 hours. It shall then be sand papered (waterproof abrasive sheet) to give a smooth and even surface. Any unevenness shall be made good by applying 1st coat of putty mixed with water on the entire surface including filling up the undulations and applying 2nd coat of putty after 6 hours of 1st coat of putty and then sand papering (water proof abrasive sheet) the same after it is dry and finishing the surface smoothly, etc.,complete complying with standard specifications and as directed by the Departmental Officers.The rates are inclusive of hire charges for grinding machine with wheel, cost of sand paper (water proof abrasive sheet), cost of putty blade, labour charges for grinding the joints and sand papering, two coats of putty, scrapping the putty area to level the surface smooth, etc.,complete. The putty should be got approved by the Executive Engineer before

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 and curing etc., with Cement Mortar 1:3 (One Cement and Three Sand) 10mm thick mixed with bonding agent Cebex 112, Zydex-Zycrete 2X or Other equalent compound conforming to BIS at 200ml of One cement bag (50Kg) for increased workability and air entrainment used finishing etc., in all floors complying with standard specification and as directed by the departmental officers

Providing the texture finish to the newly plastered wall with ready made texture putty with patterns at all levels including the cost of coating, labour charges and other incidental charges etc., complete as directed by the departmental officers.

Supplying and applying the walls with two coats of wall putty over plastered wall surface of first class quality and of approved including thorough scrapping, clean removal of dirt wherever required including labour charges and other incidental charges etc., complete as directed by the departmental officers.

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.

Supplying and fixing Teak Wood frames for doors Windows and Ventilators using required MS angles, flats and rods of approved design and as directed by the departmental officers including cost of MS Grills, labour charges and cost of one coat of red oxide primer with labour charges for priming coat etc. complete complying with standard specifiction.

T.W Scantling below 3m & above 2m

Supplying, hold fast of M.S flats of over all size of 330x50x6mm suitably folded to the required L shape have two end of lap of 50mm long each and overall length of the horizontal portion as 230mm & including making necessary grooves in two end laps to accomadate screws etc., complete.

Supplying and fixing in position of Teak wood door shutter using spl quality teak wood planks of 40 mm thick panelled doors with required raw materials, Brass hinges, Brass tower bolt, ornamental Brass handles, Door stopper, Door closer,Brass aldrops and bush with suitable locking arrangements etc. The rate should be inclusive of cost of materials, labour charges for wrought and put up the doors with kadasal charges and transporting charges etc complete complying with standard specification and as directed by the Departmental officers.

Polishing the teakwood panelled door with best melamine varnish finishing including labour charges for scrapping T.W panelled throughly on both sides of the door, sand papering without affecting the teakwood plank grooves and natural design with preparation of surface using sand paper and finishing the smooth wooden surface and applying of melamine polishing on the teakwood panelled door/ partition surface using spray machine on uniform layer of smooth surface formed without any air bubbles after finishing the work etc., the rate inclusive of cost of materials ,labour charges ,transportion charges, labour for scrapping charges, etc complete complying with standard specification and as directed by the departmental officer (the materials quality are approved by the EE Before use of work.

Providing and fixing 8 mm thick fully designed perforated calcium silicate board 2'x2' panel tiled false ceiling (Hilux) including supplying and fixing true horizontal level false ceiling with 24mm prelude grid system Using hot dipped galvanised steel section exposed surface chemically cleaned caping prefinished in backed polyester paint wall angle of size 3000x19 x 19mm used in the periphery of the ceiling fixed to the wall, parttion with the help of screws at 600mm c/c. Mainrunner of size 3000x24mm suspended at a 1200mm c/c by using securely fixed to the structural soffit of RCC slab by using 6mm Nylon Rawl plug at every 1200mm(max) and 1200mm long cross tee of size 1200x 24mm to interlocked between mainrunner at 600mm c/c(max) to form a grid of size 1200x600mm. 600mm long cross tee of size 600x24mm is inserted to form a grid of 600x 600mm and finally laying classic lite regular edge tiles of size 600x600x15mm

Supply and fixing of curtains with MS rod of 25mm dia powder coated finish fire proof curtains with/without lining cloth etc.,complete and as directed by the departmental officers

Supplying and Fixing Hydraulic Floor Springs of various sizes, Double Acton Hydraulic Floor Spring of approved quality, brand, manufacture asper BIS Standards for doors including cost of cutting floors as required, embedding in to floors and stainless steel cover plates with aluminium pivot and single piece MS sheet outer box with side plate etc., capaple of taking upto 130 kg. weight from door shutter, like HARDWYN make (U-32) or its Euivalent with ISI monogram.

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type 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 as handle. The corners and ioints 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 of M.S. grill of approved design for open courtyard, grill, grill work to doors and window openings etc., using necessary mild steel flats for inner and outer members which should be fixed on edges including cutting the members, welding, grinding, one coat of priming coat using best approved quality red oxide primer, dismantling of walls / concrete if necessary, fixing and finishing the dismantled portion to original condition etc., complete complying with standard specification.

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. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Supplying and fixing specially curved monolithic Marble Stone ballustrades Handrails of approved design and pattern made out of Marble stone posts of size 100 x 100 mm and 650 mm height and Specially carved Marble stone Handrails overall size 150mm and 100mm thick fixed in position with necessary drilling and chemical grouting to the specified spaceing and alignment etc., complete as directed by the departmental officers. (The colour, shade of marble stone and the pattern of carving of the ballustrade should be got approved by the Executive Engineer before use on works.)

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg/sq.cm including cost of necessry 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 3metre pipe length, etc., complete complying with standard specification.

160 mm dia

Providing Anti-termite treatment to soil adiecent and under building foundation, plinth periphery of the building by application of chemicals of IS 6313 Part I to IV in stages to suit the progress of work consist as per the detailed specification as below. (Measurements taken for the plinth area for the purpose of payment) including breaking of termite mounds, making holes with crow bar, closing the holes after the treatment and including cost of chemicals, labour charges, transport and storing, etc., complete and as directed by the departmental officers.(The chemical should be got approved by Executive Engineer before use on work).Stage-1: Spraying anti-termite chemical solution for the foundation before laying concrete, in bottom and sides of foundation.Stage-2: Spraying anti-termite chemical solution to the grade beam level, spraying has to done for the grade beam, brick masonry contact with the back fill earth.Stage-3: Spraying anti-termite chemical solution on the sand for the flooring before laying the flooring concrete. This treatment has to be carried out on the sand filling by making holes with crow bar to a depth of 60cms and at 60cms intervals on both direction and at iunction of wall and flooring thoroughout.Stage-4: Spraying anti-termite chemical solution alround building outside by making holes through bar before laying plinth protection and the holes to be closed after the treatment

Supplying and Laying Interlocking Rubber Moulded paverblock of 60-63mm thick over a base layer of M Sand filling including cost of manufacturing, finishing, Curing and conveyence to site and laying etc., complete complying with standard specification and as directed by the deparmental officers.

Supply and fixing of stored pressure ABC (Mono Ammonium Phospate) Powder Type Fire Extinguisher of 6 kg. capacity as per IS:15683 with pressure gauge, discharge hose & control nozzle, wall mounting bracket, safety clip etc., including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary etc, complete as per standard specification and as directed by the Departmental Officers. Make: EXCELLENT / SAFETY FIRST / EQUIVALENT

Supply and fixing of Carbon-di-Oxide Gas Type 2 kg. capacity Fire Extinguisher as per New IS15683, complete with control valve, discharge hose with horn, wall mounting bracket, safety clip etc., including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary etc., complete as per standard specification and as directed by the Departmental Officers. Make: EXCELLENT / SAFETY FIRST / EQUIVALENT

Supply and fixing of Zebra crossing board of approved make etc., complete as per standard specification and as directed by the Departmental Officers.

Providing rain water harvesting pit of 1.50m dia and 1.50m depth with necessary earth work excavation,erecting the five nos of Rcc collar of 1.50m dia,sand filling of 0.60m depth,filling of 40mm HBS Jelly of 0.60m depth and covering with Rcc cover slab of 50mm thick and also connecting 110mm dia PVC pipe of 10.00m length including transporting charges,fixing, etc.complete.

Making, supplying and installation of Full size Bronze Statue in standing position made up of having an average height as approved posture to be standing on a pedestal including Scale measurement drawing & Sculpting armature making, Clay modeling, Mould in POP, Model transfer to wax, making sand mould (wax core), De-waxing & Bronze casting of model, grinding, welding, chiseling, finishing with PU gold coating, Transportation and erection on pedestal at site etc., complete complying with standard specification.The process of the making of the statue in bronze consists of five steps. Step – 1: Model Making: The posture of statues should be made with clay of as approved posture by the departmental officers.

Step -2 : Mould making : After the clay model, next stage shall be mould making of the approved statues by using Plaster of Paris. The Plaster of Paris model is the important model to give correct anatomy structure. From the POP model, Fiber model shall be created and one more outer Plaster of Paris mould shall be created with Fiber model to make part of the mould of the statues in wax. Wax casting of the part shall be created for all parts of the one by one separately. After wax casting, the finishing of the statues shall be checked once again with proper care and as per directions before ready for casting.

The wax mould shall be made into core with running hole. The core mould shall be created with clay, sand and Plaster of Paris with supporting iron rods and binding wires. All the parts of the wax mould shall be made as above before casting. Step 3 : Casting : The core mould should be placed in a balanced manner properly to remove the wax from the core while casting. The core mould shall be put into a big pit and covered with a lot of fire wood and fired. The core mould shall be heated slowly, then the wax comes through the running holes. After removing the wax, the core mould should be put up side down and heated to a maximum of 1000° centigrade and at the same time separately the metal mixture of five metals shall be put in crushable in a fire chimney and heated to a more than 1000° centigrade fire by coal, melted to a liquid state and shall be safely poured into a core mould with same temperature. After some time, when the core mould becomes touchable condition, the upper core shall be removed to get a rough surface of the parts of statues.

Step 4 : Scraping, Filing and finishing work : The rough surface of the parts statues shall be scraping, filing and many curing process and thus finished parts statues should be manufactured. Then all the parts of statues shall be welded one by one and finally, the full shape of the statue shall be obtained as per the requirements. Step 5 : Polishing and fixing : The finished model of the approved statues shall be polished as required and as directed. Then the finished statues shall be conveyed including loading to the site with proper care, unloading and fixing in position i.e. on the pedestal in Muthamizh Arignar Kalaignar Memorial site as directed by the department officers. All the process of making, finishing, and fixing of statues should be done as directed by the departmental officers and got approved by the Executive Engineer before the process commencing.

GST at 18%