Corporation Of Chennai Tender

Providing and laying Granular Sub Base (GSB) layer of 200 m.m compacted thickness on the prepared sub grade withapproved coarse Graded material of minimum CBR Value 30 grading confirming to Table 400 1/400 2 Grading 1 of MORTH Revision IV, including screening, spreading in uniform layer with motor, grader,watering and premixing at optimum moisture content, compacting with power and vibratory roller of 80 to 100 KNstatic weight to not less than 98pct. of the maximum laboratory dry density as per IS:2720(Part 8) and fine dressing to required grade and cross slope as shown on the drawing or as directedby the Engineer including obtaining and transporting all materials from approved Quarry Site to work site with all lifts and lead by Mechanical Transport head load or any other mode of transportation including labour, tools, equipment, safety measures teting and incidentals necessary to complete the work as per MORTH specification clause 401 and as directed by Engineer

Providing laying, Spreading and compacting Graded Stone aggregates to Wet Mix macadam 250 mm thick specification including premixing the material with water at OMC in Mechanical Mix Plant Carriage and transporting the mixed material by tipper to site, laying in uniform layers with pavers in sub base/basecourse on well prepared surface and compacting with vibratory roller to achieve the desired density, etc.,including cost of material,labour charges,rentls for machinery,fuel and all other incidental charges .Complete as per clause 406 of MoRT& H Specifications.(COMPACTION BY VIBRO MAX ROLLER IS AMUST)

Supplying and fixing Interlocking Blocks against available edge restraints 80 mm thick of approved Design and pattern of Strength 40 N/Sq.m., 10 mm ISS metal with minimum cement content as applicable to M 40 grade concrete as per IS 456 2000, manufactured by mechanical or hydraulic machine using VIBRO COMPACTION Process and laid over 50 mm thick laying course (bedding) River Sand well compacted by plate Compactor with a joint width of 2 mm to 5 mm including filling of all joints with. River sand and compacting the paved surface with plate compactor two or three times until all the Unit to Unit joints are completely filled with River sand and trimming the edges neatly including all labour charges and plate compactor charges etc., complete. [Cost Inclusive of River Sand].

Supplying and erecting centering for sides and soffits including supports and strutting upto 3m high for plane surface such as RCC slab, rectangular beams,"TEE" or "L" beams,lintels,bedblocks,staircase waists and landing slabs, landing beams ,canopy, etc.,with all cross bracings using mild steel sheetsof a size 90x60cm and 10 gauge stiffended with welded mild steelangles of size 25x25x3mm for boarding laid over silver Oak(Country wood) joists of size 10x6.5cm spaced at about 90cmcentre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cm centre to centre etc.,complete

Providing And Laying In Position, Standarded Concrete Mix M-20 Grade In Accordance With Is:456-2954 Using 20mm Ond Down Graded Hard Broken Granito Stone Jelly For All Rcc Items of Works With Minimum Cement Content of 325 Kg/M3 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 Workabilly Without Impairing Strength And Durability With About (5 Cu.In.) 7730 Kg. of 20mm Machine Crushedstone Jelly And With About (3.3 Cum.) 5150 Kg. of 10-12mm Machine Crushed Stone Jelly And With About (4.79 Cu.m.) 7670 Kg. of Crushed Stone Sand (M Sand), But Excluding Cost of Reinforcement Grill And Fabricating Charges, Centering And Shuttering And Also Including Laying, Vibrating With Mechanical Vibrators, Finishing, Curing and including pumping charges 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 Bemade By The Department For The Excess Usage of Materials)

Painting the OLD plastered walls with two coats of Exterior emulsion paint (weather proof ) first class quality and of approved colour over a priming coat including thorough scrapping,clean removal of dirt,etc.,complete and including necessary plaster paris,putty etc., wherever required.as per (ISI STD) (It must provide excellent resistance against the growth of algae and fungi on the walls. And it must offer excellent protection against alkali and UV degradation and the durability period should be 5 years.

MAIN GAE REPAIR WORK