Corporation Of Chennai Tender

Supplying stone dust and filling in regular layers of 15cm thick including watering, consolidating etc. complete for foundation, basement, etc..

Plain Cement concrete work 1:4:8 (1 cement, 4 Crushed Stone Sand (Commercially called M-Sand) and 8 blue granite broken stone jelly 40mm gauge) including consolidation curing, etc. complete for foundation, etc. upto basement

Supplying and erecting shuttering including necessary supports for plane surface in foundation and basement for RCC column footings pintol blocks plinth beam staircase steps critical steps critical piers etc. using mild steel sheets of size 90x60cm and 10 gauge stiffened with welded mild steel angles of size25x25x3mm for boarding laid over silver Oak (country wood) joistsof size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cmcentre to centre etc. complete..

Supplying and erecting centering for sides and soffits including supports and structting upto 3m high for plane surfaces such as RCC coloumns top and bottom slabs of boxing. sill labs sunshades etc. with necessary facia using mild steel sheets ofsize 90x60cm and 10 gauge stiffened with welded mild steelangles of size 25x25x3mm for boarding laid over silverOak(country wood) joists of size 10x6.5cm spaced at about 90cm centre 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 ,Standardised Concrete Mix M- 20 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 325 kg/m3 and m,aximum water cement ration of 0.55, including admixture (Plasticiser/Superplasticier) in recommended proportions as per IS:9103 to accelerate ,retard setting of concrete,improve workability without impairing strength and durability with about (5.0 cum) 7730 kg of 20 mm machine crushed stone jelly and with about (3.3 cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79 cum) 7670 kg of sand, nut excluding cost of reinforcement grill and fabricating charges,centering and shuttering and also including laying,vibrating with mechanical vibrators,finishing,curing,etc and providing 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 Standrands.(No separate payment will be made by the Department for the excess usage of materials)

Brick work using country bricks of size 8-3/4" X 4-1/4" X 2-3/4" in cement mortor 1:6 including curing neat finishing etc complete complying with standard specification

Plastering with cement mortar 1:4 (1 cement and 4 P sand)12mm thick including curing, etc., complete.

Painting the new 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..

Supplying and fixing M.S.Grills for OSR Land/Parks compound wall of design using 25 x 10mm MS flats for outer frame Horizontally & vertically. The inner vertical grills shall be 10x 10mm square rods at the spacing of 96mm c/c. The inner horizontal grills shall be 25 x 10mm MS flats adjoining 10 x 10mm square rods both sides at the spacing of 290mm c/c. The horizontal anchoring to wall shall be 20 x 5mm. The vertical anchoring shall be 25 x 10mm. The arrows with vertical shall be 20 x 5mm. (Sketch enclosed) and also as directed during execution

Painting new iron work two coats with ready mixed paint with relevent ISI STD of superior quality and approved colour..

Supplying and filling with earth up to 30 Km. for foundation and basement,etc.,including watering and consolidating,etc.,complete

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 in mechnanical 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 as per clause 406 of MORTH Rev-5

Sectioning The Site And Levelling To Camber

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 Manufactures By Mechanical Or Hydraulic Machine Using Vibro- Compaction Process And Laid Over 50 mm Thick Laying Course (Bedding) Crushed Stone Sand (M Sand) Well Compacted By Plate Compactor With A Joint Width of 2 mm To 5 mm Including Filling of All Joints With Crushed Stone Sand (M Sand) And Compacting The Paved Surface With Plate Compactor Two Or Three Times Until All The Unit-To-Unit Joints Are Completely Filled With Crushed Stone Sand (M Sand) And Trimming The Edges Neatly Including All Labour Charges And Plate Compactor Charges Etc. Complete(Cost Inclusive of Crushed Stone Sand (M Sand)).