Vengola GP 2025-2026 Pro 195/26-PONJASSERY HEALTH SUB CENTRE PREVASHANA MARGAM ORUKKAL

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50.2.26.1:Filling with contractor own earth (excluding rock) in open areas in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m as per direction of site Engineer-in-charge.

2.25:Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

16.11:Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete.

OD406282/2024-2025:Construction of granular sub- base by Providing local Material (Soil gravel mixture/quarry waste Table 400.13) spreading in uniform layers compacting with ramming to achieve the desired density, complete as per specifications and directions of Engineer-in- Charge. OD 112/21-22

OD406284/2024-2025::Providing and Laying of Interlocking Concrete Block Pavements using 60 mm M30 interlocking paver blocks made by strong vibratory compaction of approved size, design & shape, laid in required pattern over and including a compacted bed of 6mm stone aggregate of 50mm average thickness, etc. all complete as per the direction of Engineer-in-charge.

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III)derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Retaining wall

2.8.1:Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

4.1.8:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size derived from natural sources)

5.2.2:Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

5.22A.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete above plinth level.Thermo - Mechanically Treated bars of grade Fe-500D or more

OD406253/2024-2025:Providing and fixing PTMT grating of approved quality and colour. Circular type with 125 mm diameter .

OD406254/2024-2025:Providing drainage media:-Filling the metals with three layer ,first layer with 40mm metals in 30 cm depth, second layer with 20 mm metals in 25 cm depth and third layer with 6 mm metals in 25 cm depth including spreading in layers, leveling the top at site and consolidation by ramming, etc complete

50.18.9.19.2:Providing and fixing PVC pipes including fixing the pipe with clamps/clips at 1.00 m spacing. This includes jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 110 m dia 4 Kgf/cm2 - External work - Exposed on wall