Cwall TE Kalady 2nd call

Amount

Demolishing stone rubble masonry 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

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

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.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:5:10 (1 cement : 5 coarse sand(zone-III) : 10 graded stone aggregate 40 mm nominal size)

1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for:

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

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) upto plinth level with :

Cement mortar 1:6 (1 cement : 6 coarse sand).

Providing and laying precast machine moulded solid blocks in block masonry of specified thickness with blocks of grade D5 with minimum compressive strength 5N/sqmm and block density 1800kg/cum conforming to is 2185 nominal size 300x200x150 mm in cement concrete 1:4:8 (1 cement:4 coarse sand :8 graded stone aggregate 12 mm nominal size ) with cement mortar 1:6( 1 cement:6 coarse sand)including scaffolding raking out joints and filling joints with cement mortar finishing neatly etc. above plinth level upto all floor level all complete as per the direction of engineer in charge

12 mm cement plaster on the rough side of single or half brick wall of mix :

1:6 (1 cement: 6 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix :

1:6 (1 cement: 6 fine sand)

Credit the value of bricks to the contractor

Credit the value of rubble stones to the contractor

Cutting down safely and securely the following items of trees near compound wall from main gate to north end along the service road at TE compound Kalady without causing damage to the pedestrian/ vehicular traffic/ electrical installation/communication network and stacking the serviceable materials at site and disposal of unserviceable materials including loading and unloading up to a distance of 5km etc complete as per the direction of engineer in charge . a) Tree of diameter up to 40cm and height up to 7 metres from ground level .

Cutting down safely and securely the following items of trees near compound wall from main gate to north end along the service road at TE compound Kalady without causing damage to the pedestrian/ vehicular traffic/ electrical installation/communication network and stacking the serviceable materials at site and disposal of unserviceable materials including loading and unloading up to a distance of 5km etc complete as per the direction of engineer in charge . a) Coconut tree with diameter up to 40cm and height up to 10 metres from ground level .

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.

Credit the value of dismantled steel to the contractor

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:a) Asbestos cement sheet

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 grams 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 12 metre or as desired by Engineerin- charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) 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.

Steel work in built up 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.

a)Hot finished welded type tubes

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.

a)On steel work

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.

a)With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre.

P D Antony (BID ID -880749)

FRANK JENSON (BID ID -881055)

SURESH K (BID ID -881019)