Maintenance work

Dismantling , removing and carefully stacking Floor finish and dadooing walls in cement mortar with mosaic tiles / glazed tiles / cuddapah slabs. etc., complete complying with standard specification and as directed by the departmental officers at site of work.

Dismantling , removing Brick / stone masonry in Cement mortar walls under 3m high etc., complete complying with standard specification and as directed by the departmental officers at site of work.

Providing and Applying high perfomance solar reflective & Acrylate silicon based Waterproofing coating which is single component, cold applied, water based acrylic and UV resistant water proofing treatment to the Existing Roof screed surface applied @ 1.5 l/m2 in 3 coats to achieve 1mm DFT, having tensile strength 2N/ mm2 confirming to ASTM D 412; Elongation at break ≥ 200%, Abrasion resistance 21mg confirming to ASTM D 4060 and Crack bridging ability up to 2 mm, including surface preparation, priming the surface with 1 coat diluted with water in the ratio 2:1 spreading @ 0.125 L/m2 as self-priming coat in the SSD condition and spreading 45 gsm glass fibre mesh of 2.5 mm x 2.5 mm sandwiched between the first and second coat completely as per specification. The finished cost to include surface preparation, making coving at Junction, treatment of cracks completely as per specification.

Laying of Screed Concrete using Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using HBGS 6-10mm ISS metal for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.- Mixing by mechanical means

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 20mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used curing etc. complete complying with standard specification and as directed by the departmental officers.

Paving the Top of roof with Solar reflective ceramic tiles of size: 305mm x 305mm x 7mm thick of approved quality and colour laid in Cement mortar bed in 1:3 (One cement and three crushed stone sand) 12mm thick and pointed with water resistant tile epoxy grout for joint, curing etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by the Executive Engineer before use on works).

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of "U" clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification and as directed by the departmental officers.(160mm dia)

Collecting the scattered debris from the campus and coveying away the same to outside by lorry to a lead of not less than 10km within city limit including loading and unloading charges and dumping in low place and levelling etc., complete complying with standard specification and as directed by the departmental officers.

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