Construction of Model Animal Birth Control Centre at Kelambakkam, Chengalpattu District

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary. Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc. complete

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.

Supplying and filling of Well gravel for basement 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)

Brick Masonry in cement mortar 1:6 (One cement and six M sand) in foundations, basement and superstructure walls using second class ground moulded chamber burnt bricks of size 9”x 43/8”x2 3/4” etc., complete complying with standard specifications - For framed Structures (For Ground Floor up to 4.50 M height)

Plastering with cement mortar 1:3 (one cement and three sand) 12mm thick with fine river sand for plastering including curing, neat finishing, etc., complete complying with standard specification and as directed by the Departmental officers.