Construction of Retaining wall at South Side of Proposed Pilgrims Rest Mandapam

Earth work excavation for foundation by manual means for RR/Brick and Other step type footings for Load bearing structures 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 depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Breaking, removing and stacking for pre measurements of hard rock requiring blasting by the way of silent blasting using approved rock disintegrating chemicals/ rock splitting materials by drilling holes to appropriate depth of not more than 1.5m with required spacing. The drilled hole should be properly cleaned using air/water compressor so as to receive the freshly prepared chemical slurry and filling the slurry within stipulated time. The depth of slurry filling should be made upto 15 mm from top surface and to be covered using tarpaulins. The rate includes cost of materials tools and plants, equipments, mobilizing, transfering from one place to another with all accessories and operating all the tools and plants for secondary braking, watering, excavating the rock portion including lifting, loading and using electricity power or diesel generator, conveyance and depositing the same away from the work site at a required distance from the excavated area and without obstruction to the work as specified by departmental officers with an initial lead of 10m and initial lift of 2m including all incidental charges, fuel charges to all machines, hire charges, crew charges completely compiling with standard specifications and as directed by departmental officers.

Breaking, removing and stacking for pre-measurements of existing hard rock to the required depth by cutting, drilling, breaking by using suitable special type cutting equipments with heavy breaker / diamond saw cutting machines / wire type saw machine with diamond impregnated beads wire / rock disintegrating chemicals / rock splitter / mounded breaking, wedging, chiseling trimming to proper shape where blasting is prohibited and without any environmental hazard, any vibrations and disturbance to the nearby any existing structures. The rate includes mobilizing transferring from one place to another / re-installing from one place to another / re-installing with all accessories & operating all the required materials, tools & plants viz suitable crane & drilling holes on the existing rock strata connecting the diamond cutting rope to the machine and also lifting, loading, conveying tackles along with the required labourers, electricity / DG power or Generator, watering and excavating the rock portion and depositing the same at a distance from the excavated area away from the work without obstruction to the work as specified by the departmental officers with all leads & lifts and traffic, including all incidental charges, fuel charges to all machineries, hire charges, crew charges etc complete complying with standard specifications and as directed by the department officers.

Disposal of blasted Hard rock(excluding GST, Seigniorage and Green toll tax)

Supply and filling in foundation and basement with Gravel in layers of not more than 15cm.thick well rammed watered and compacted with surface vibrator, watered and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with filling Crushed Stone sand in layers of not more than 15 cm thick well watered, rammed 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 granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers - Mixing by mechanical means

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 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 maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete 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 standards. (No separate payment will be made by the Department for the excess usage of materials).

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

GST 18 % in Figures

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