SORTING AND GRADING SHED AT CHENGAMAAND IN KOLLAM

Amount

2.6.1. Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50m and lift up to 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

OD.IRRIGATION.9.DISMANTLING DR - Dismanling , clearing away and carefully stacking materials useful for reuse for any thickness of walls in DR masonry including disposal of debris within a distance of 150m.

15.7.4. Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.. In cement mortar

15.18. Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead.

15.28.1. Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:

OD.PWD.226. Dry rubble masonry with hard stone in foundation and plinth including cost of through stone and bond stone including cost of all materials, labour etc (modified the item 7.2.1 ) using dept stone.

OD.PWD.35. Dry rubble masonry with hard stone in foundation and plinth including cost of through stone and bond stone including cost of all materials, labour etc (modified the item 7.2.1 ) .

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 fine sand : 8 graded stone aggregate 40 mm nominal size)

5.1.3. Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

OD.PWD.15. Providing and laying in position machine batched and machine mixed design mix M- 20 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. Note:- Cement content considered in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is payable or recoverable separately. All work above plinth level up to floor V level

Centering and shuttering including strutting, propping etc. and removal of form for :5.9.5. lintel,sun shdade & beamsetc.

5.9.1. Foundations, footings, bases of columns, etc. for mass concrete.

5.9.2. Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

5.22A.6. Reinforcement for RCC work bent tied and placed in position using torsteel including cost and conveyance of all materials labour charges etc. complete

OD.PWD.5. Filling with contractor's own earth (excluding rock) in trenches, plinth, sides of foundations 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 as per direction of site Engineer-in-charge.

OD.PWD.17.Solid block masonry using pre cast solid blocks (Factory made) of size 40x20x20cm or nearest available size confirming to IS 2185 part I of 1979 for super structure from plinth up to floor V level thickness 20cm and above in: CM 1:6 (1 cement : 6 coarse sand) etc complete

13.1.1. Plastering with cement mortar 1:4, 12mm thick one coat floated hard and trowelled smooth including cost and conveyance of all materials, labour charges etc. complete for walls.

OD.PWD.91. Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc. ) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

12.5. Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm ( + 0.05 %), total coated thickness with zinc coating 120 gm per sqm as per IS:277 in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

11.47.2. Providing and laying Vitrified tiles in different sizes (thickness to be specified by the manufacturer), with water absorption less than 0.08%and conforming to IS: 15622, of approved brand & manufacturer in all colours and shade in skirting, riser of steps, laid with cement based high polymer modified quick set tile adhesive (water based) conforming to IS: 15477, in average 6 mm thickness, including grouting of joints(Payment for grouting of joints to be made separately). Size of Tile 600x600 mm

4.17. Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation leveling and dressing and finishing the top smooth.

P VIJAYARAJAN