Area Development Scheme for 13 Nos. of Alternate

Supplying anf fixing Demarcation Stone of size 75 cm x 15 cm x 15 cm with letter impression of TNHB at one side and conveying at site including erecting of stones, earthwork excavation at places shown by the departmental officers etc. Complete in all respects complying with relevant standard specification and as directed by the departmental officers.

Filling Low Lying Area by gravel with spreading in two layers of 150 mm thick and well consolidation by 80KN to 100 KN power roller with resultant thickness of 150mm including fuel, loading, labour for spreading, watering, hire charges for tools & plants and machinery et., all complete in all respects complying with relevant standard specification and drawing as directed by the departmental officers.

Earthwork excavation in sand silt or other loose soil wet sand or silt, light black cotton, sandy loam soil and to the required depth as may be directed except in hard rock requiring blasting inclusive of shoring strutting and baling out water wherever necessary, depositing the surplus earth in places shown clearing and levelling the site with an initial lead of 10 metre and lifts as specified hereunder etc., all complete in all respects complying with relevant standard specification including refilling (Open Excavation)

Supplying and filling in foundation, basement, etc with Sand Gravel mix in ratio of 1:3 in layers of not more than 15cm thick thoroughly mixed, well watered, rammed with surface vibrator and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers - Mixing by mechanical means

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.-Mixing by mechanical means

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supply and Placing of Bituminous Pad at Expansion joint including cutting chargeetc., complete complying with standard specification and as directed by the departmental officers.