Tamil Nadu Horticulture Development Agency Tender

Plain Cement concrete 1:4:8 (One cement four M sand and eight broken Machine crushed stone jelly) using HBG Machine crushed stone jelly of size 40mm gauge for founding and basement including de- watering if found necessary and laid in layers of not more than 15cms thick etc., complete complying with standard specification and as directed by the departmental officers.

Reinforced cement concrete 1:1.5: 3 (One cement one and half M sand and three broken Machine crushed stone jelly) using 20mm gauge hard broken granite jelly for all RCC works such as slabs, beams, footings, staircase waist slabs, steps, landing beams fins, boxing, vertical louver, drops, window sill slabs projection and other similar works including laying curing etc., complete

For 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)

Supplying and erecting steel centering including necessary supports for plane sufaces for Reinforced Cement Concrete works such as column footings, column pedastals, plinth beams, grade beams, staircase steps, etc., which required only nominal strutting using mild steel sheets of size 90cmx60cm and 10 BG stiffened with welded mild steel angles of size 25mmx25mmx3mm for boarding, laid over silver oak joists of size 10cmx6.5cm space at about 75cm centre to centre or at suitable intervals etc, complete in all floors complying with standard specification. ( Payment for centering shall be given after the concrete is laid)

Supplying and erecting centering for sides and soffits including necessary supports and strutting up to 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 about 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

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

Supplying and fixing Autoclaved Cellular Aerated Concrete Blocks(AAC) of following size ( including jam blocks closures etc.,) in CM 1:4 ( One of cement and four of M sand ) and partion wall including curing neat finishing etc., complete complying with standard specification and as directed by the departmental officers etc.,

Plastering the walls with Cement Mortar 1:5 - 12 mm thick using the M sand including curing and finishing neatly complying with standard specification and as directed by the departmental officers etc. complete.

Plastering with Cement Mortar 1:4 (One Cement and Four Sand) 20mm thick mixed with water proofing compound conforming to BIS at 2% by weight of cement used including finsihing, curing, etc., complete in all floors complying with standard specification 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 including 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.)

For New Iron work Two coats including primer

Painting the walls with Two coats with first class quality Plastic Emulsion paint of approved colour over a priming coat including thorough scraping, clean removal of dirt. The rate includes cost of brushes, sand paper, plaster of parries, putty wherever required and neat finishing etc., complete complying with standard specification and as directed by the Departmental Officer (the colour and quality should be got approved by the Executive Engineer before use)

Supplying ,fabricating and placing the arch type truss of required span using the MS hallow box section 80mm, 100mm, 150MM, 200MM, 300MM dia (4.396 kg/m) both rafter and tie and fixing the inner centre vertical stiffner bracings 65mm dia as per design drawing given by the depart mental officers including cutting the pipe required size with the aid of gas cutting machine and welding rigidly with aid of 10 guage electrode grinding smoothy and with 25 x 6 mm flat and labour for fabrication and prtty iron works and fixing the purlin cleat etc conveying the materials to the site and erecting and finally painting two coats of SEP over primer etc complete complying with standard specification and as directed by the departmental officers at site of work.

UPVC Window Specification: Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile thesize 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 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 laying of Galvolume sheet 0.47 mm thick of approved quality for roofing with necessary U or J bolts and unts bitumen GI washers etc., complete complying with standard specification.

Providing UPVC (Un-Plasticized Polyvinyl Chloride) Door Door: Providing and fixing casement doors fabricated from un-plasticized polyvinyl chloride (uPVC) sections. Profiles: The profiles should be three chamber system which provides high insulation properties with outer frame 60mmx55mm with an outer wall thickness of 2.4mm. The window unit should be designed with all corner joints mitred and fusion welded. Windows should be steel reinforced with 25x24x25mm steel reinforcement with a thickness of 1mm to have dimensional stablilty. The sash should be of 60x102mm. The mulilion should be of 60x74mm. The profiles should have co-extruded seals. Hardware: All the hardware like friction stays, handles should be screwed with self tapping screws. The handles, locks should be designed so that they cannot be released from outside. Glazing: The window system should be glazed with 5mm plain float glass/6mm bison lam Installation: The profiles should be cut to length and welded 45 degrees. The window should be designed such that the water drainage does not pass through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding nylon plug and driving ms electroplated screws into plug.

Providing and Fixing of polyurethane foam as External Wall Thermal insulation panels or Sandwich insulated panels with external 0.50mm total coated thickness pre painted galvalume sheet with micro ribbed profile , whereas internal 0.50mm total coated thickness pre painted galvanized iron sheet with micro ribbed profile and the insulation material will be chlorofluoro carbon and hydro chlorofluoro carbon free , high performance rigid polyurethane foam (PUF) conforming to IS 12436 having density not less than 40±2Kg/M3, Thermal conductivity (K-Value) 0.024 W/m.K measured at 10 degree C mean temperature along with necessary flashings such as L flashing, C flashing etc& accessories such as screws ,fastners ,sealants etc for fixing the panel etc., complete complying with standard specification.

50mm thick PUF external wall panel Rate for 1m2

Providing and Fixing of polyurethane foam for Sloped roofas thermal insulation panels or Sandwich insulated panels with external 0.50mm total coated thickness pre painted Galvalume sheet with trapezoidal roofing profile having crest height of 38mm at every 333mm span , whereas internal 0.50mm total coated thickness pre painted galvanized iron sheet with micro ribbed profile and the insulation material will be chlorofluoro carbon and hydro chlorofluoro carbon free , high performance rigid polyurethane foam (PUF) conforming to IS 12436 having density not less than 40±2Kg/M3, Thermal conductivity (K-Value) 0.024 W/m.K measured at 10 degree C mean temperature along with necessary flashings such as L flashing, C flashing etc& accessories such as screws ,fastners ,sealants etc for fixing the panel etc., complete complying with standard specification.

30mm (+38mm) thick PUF roof panel

Providing Pre construction of Anti termite Treatment for the Construction of building including all chemicals as per standard specifications. Labour charges for preparing the areas for treatment, spraying chemicals and other incident charges etc.,complete. The rate shall be inclusive of giving anti termite treatment to the building for the following four stages including breaking the termite moulds, making holes with crow bars at an interval of 30 cms to a depth of 50 cms in the pheriphery of building and pouring chemicals etc., complete as per ISI 6313 ( Part 2) 2001. The antitermite chemical chloropyriphos 20 EC used should form 0.5% concentrate for the entire operation etc., as directed by the Engineer in charge and including cost of chemicals labour transportation etc.,

Supplying and laying of interlock paverblock of 83mm thick M20Grade(1:11/2:3)with combination of Grey color block 95% and Red color block 5% over the well consolidated sand bed. Paverblock should be laid from one end and ensure that each block is laid as close as possible and cutting the blocks to required size and shape to match the edge. The paverblock laying area should be compacted by a mechanical plate compacter to make a uniform top surface. Then fine sand should be spread over the top surface and compacted so as to fill all the joints etc, complete. The rate is inclusive of cost of all materials, loading, unloading, conveyance, laying, compaction of blocks but excluding cost of sand filling. The design of block and laying pattern should be got approved by the departmental officers.

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250 mm thick specification including premixing the materials with water at OMC inmechnanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/ Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete

Supply and fixing of precast cement concrete kerb wall size of 0.45x0.125x0.30m height including cost of materials ,transporation ,loading,unloading and pointing CM 1:4 using etc.., complete complying with standard specification

Wiring with 2x1.5sqmm (22/0.3) PVC insulated SC unsheathed copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe concealed in wall and ceiling with MS accessories with MS switch box in flush with wall with 5A F.T. switch with 3mm thick hylem sheet cover MS switch box with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour for concealed light point / Fan point (For Electronic Regulator) (SD 3)

Wiring with 2x4 sqmm(56/0.3) PVC insulated SC unsheathed Cu.Conductor cable of 1100V grade in suitable pipe on wall and ceiling with PVC accessories with 150 mm x 100 mm x 63mm TW switch box for 15 A 3 pin non inter locking Wall socket with 15A Flush type switch with painting of suitable colour, with continuous earth wire connection of 14 SWG TC wire for open PVC power plug point. (SD 39)

Supply and fixing of single box type 4'36 W flu fitting complete with electronic ballast with TW round blocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting. (SD 87)

Supply and fixing of 1200 mm (48") sweep AC ceiling fan complete with stepped electronic 300W regulator, with 1 metre down rod with fan clamp with side plates and cross arm of size 450 mm (18") (SD 106)

Supply and fixing of 5A/15 A 3 Pin combined flush type wall socket with 15A flush type switch concealed in suitable MS Box flush with wall with painting (SD 137)

Supply and fixing of 8 way single pole and neutral MCB sheet steel enclosure Distribution board with Double door(Metal) 1No 32 Amps DP MCB as incoming and 6 Nos 6 Amps to 32 Amps SPMCB outgoing in flush with wall and making good of the concealed portion with earth connection only. The MCB DB and MCB's should be with ISI mark (Like Standard make) (SD 167)

SAME AS 197 EXCEPT 4 X 16 Sq.mm PVC ARMOURED LTUG CABLE(SD 203)

Supply and fixing of 48W LED street light fitting complete with 19mm dai GI pipe (class 'B') with 1 no 19mm GI bend complete on the existing post / wall with 16A aerial fuse unit on MS plate with PVC unsheathed Cu.leads, with MS clamps and aluminium painting.

GST at 18 percentage