15th untied IInd Installment 2024-25

Earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per SS20B and as directed by departmental Engineers(TNBP No.17,23,24).

Plain Cement Concrete 1:4:8 mix (One part of Cement, Four part of Fine Aggregate and Eight part of Coarse Aggregate) Using 40mm ISS HBG metal for foundation and basement including dewatering if found necessary and laid in layer of not more than 15cm thick and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental Engineers(TNBP No.28).

Supplying and erecting centering for sides and soffits including supports and strutting uptp 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90cmx60cm and 10 gauge stiffened, welded with mild steel angles of size 25mmx25x3mm for boarding laid over silver oak (country wood) joist of size 10cmx6.5cm dia spaced about 90cm centre to centre and supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre tocentre etc.complete complying with standard specification and as directed by the departmental engineers. TNBP No.30

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc., complete as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Providing and Laying, Spreading and Compacting graded stone aggregates to WET MIX MECADAM Specification in 100mm thick specification including premixing the materials with water at OMC in mechanical mix plant Carriage of mixed materials by tipper to work 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 materials,labour charges,rentals for machinery,fuel and all other incidental charges etc complete as per clause 406 of MORTH Specification

Supplying and laying Rubberised interlock concrete paver of approved make as per Vendor list, at Petrol pump driveways with M40 grade concrete blocks with minimum thickness of 83mm for IS 15658-2006 and providing minimum 100mm thick stone dust cushion below the uniform shap of approved make be laid in fluring bone pattern with approved non skitting surface in the top and the rate including levelling the base preparation of pavers as sub base, stone dust filing 150mmthick out of pavement cut the pieces to fix the edge vibring the pavers,sweeping tranporting loading unloading and laying paver block approved standard specification,.