Construction of Bio Security wall at In-Vitro Fertilization Lab at District Livestock Farm Hosur, Krishnagiri District

Earth work open excavation 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 depositiong the excavated earthe with a lead of 10m within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification

Supplying and filling in foundation and basement with M - Sand in layers of not more than 15cm thick well watered, rammed and consolidated etc., complete as per standard specification.

Plain Cement concrete 1:5:10 (One cement five M sand and ten 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

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 (1:1.5: 3 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 column footing, Column pedestals, plinth beam, grade beams, staircase stpes, etc.,)

Brick work in following Cement Mortar using best quality of Second class ground moulded chamber burnt bricks 9"x4-3/8"x2-3/4" for foundation and basement including curing etc, complete complying with standard specification.(Foundation and Basement)

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.

Colour washing two coats in all floors using best freshly burnt white shell lime and best quality of approved variety of colouring pigment including cost of lime, colouring pigments, fevicol type gum, brushes, scaffolding charges etc., complete complying with standard specification. Mineral colouring pigments not affected by lime should only be used (strainers and colour solutions should not be used.) Colour washing two coats in all floorsFor Two coat -100 m2

Fabricating and supplying and erecting the main gate / Wicket Gate / grill with necessary bolts and nuts including with one coat of red oxide primer and zinc chromate etc., complete complying with standard specification and an directed by the departmental officers.

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