Installation of gate and repainting of exterior building at GSS Mohanpura under AE-II, SVPND, APWD, Sri Vijaya Puram (4th Call)

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Providing and applying two coats of an anti carbonation coating with Dr. Fixit Concrete guard WB or equivalent on the prepared substrate to protect them from the adverse environmental conditions after the surface is properly prepared applying priming coat of Dr. Fixit concrete guard WB or equivlanet brush or sparay diluting in 1:1 proportion with water, the primer coat shall achieve coverage of approx.. 10.00 Sqm/litre. Allow it to day for 2-3 hours before application of finishing coat apply two neat coats of Dr. Fixit concrete guard WB or equivalent without any diluting finishing coat (undiluted) 4.00 sqm/ltr (two or more coats) concrete surface time interval between two coats is 6-8 hours. The technical properties are as follows: (a) Solid content of 71% + 3 as per IS 101 part 8 sec 2. (b) Adhesion to concrete 3N/mm2 as per ASTMD 4541:2017 (c) Tensile strength = 2N/mm2 as per ASTMD638:2014 (d) Elongation = 200% as per ASTD & 38:2014 (e) Tear Strength of 1532 N/mm2 as per ASTD 624:2020

Finishing walls with Acrylic Smooth exterior paint of required shade:

Old work (Two or more coat applied @ 1.67 Itr/ 10 sqm) on existing cement paint surface

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Two or more coats on old work

Melamine polishing on wood work (one or more coat).

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge.

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 :

1:4:8 (1 Cement : 4 coarse sand (zone-Ill) derived from natural sources: 8 graded stone aggregate 40 mm nominal size derived from natural sources)

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.

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

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

Columns, Pillars, Piers, Abutments, Posts and Struts

Lintels, beams, plinth beams, girders, bressumers and cantilevers

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-Ill) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

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.

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. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement:

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)

Dismantling steel work manually/ by mechanical means in built up sections without dismembering and stacking within 50 metres lead as per direction of Engineer-in-charge.

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.

Electric resistance or induction butt welded tubes

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.

With cement mortar 1:4 (1 cement : 4 fine sand)

Providing and laying hollow cement concrete block walling 200mm thick consisting hollow block of size 400 x 200x200mm of mix 1:3:6(1cement :3 coarse sand:6 graded stone agg. 10mm nominal down size) having a crushing strength of 3.5N/mm2 at 28 days as per I.S. 2185 (Part-I) 1979 laid in cement mortar 1:6(1cement : 6 coarse sand)

Upto floor five level

12 mm cement plaster of mix:

1:4(1 cement: 4 fine sand)

Providing and fixing single scaffolding system on the exterior side with 100mm dia bamboo 1.5 mtrs centre to centre horizontal and vertical jointing with coir rope with provided staircase system in the scaffolding for working platform etc and removing it thereafter. The scaffolding system shall be stiffened with bracing, runners connectin with the building etc with essential safety features for the workman etc complee as per the direction and approval of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment purpose.

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