Providing Roof covering with light roofing at Electrical Section office Neyyaattinkara

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 : 4 graded stone aggregate 20 mm nominal size)

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

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work

-Supplying and fixing approved brand Stone Coated Roofing Sheets of 0.50 mm AZ150 grade Galvalume material, manufactured with a multi-layer protection system consisting of an aluminium-zinc alloy coated steel base, double-side anti-corrosion coating, acrylic primer, basecoat, natural stone granules, and an overglaze UV-protective finish. Each sheet shall have a size of approximately 1340×420 mm with an effective coverage of 1290×370 mm, weighing around 3.8 kg per sheet, requiring a minimum roof pitch of 15°. The material shall offer high corrosion resistance, provide long service life, and perform efficiently in saline and high-temperature environments with low maintenance. All necessary accessories including ridges, aluminium strips, fixing with Zinc Alu coated screws/rivets, copper/aluminium wire, and silicon weather-proof sealant shall be supplied along with the sheets. The contractor/party shall deliver all materials to the site, handle unloading, and complete the installation strictly as per approved standards ensuring proper alignment, overlap, fastening, sealing, and finishing. The entire roofing system shall be installed in a workmanlike manner ensuring durability, weather resistance, and aesthetic finish. etc as per the direction of the departmental officers at site.

Providing and fixing up to floor five level precast cement concrete hollow block, including hoisting and setting in position with cement mortar 1:3 ( 1 cement : 3 coarse sand), cost of required centering, shuttering complete:1:1.5:3 ( 1 cement : 1.5 coarse sand (Zone III): 3 graded stone aggregate 20 mm nominal size)

15 mm cement plaster on the rough side of single or half brick wall of mix:1:4 (1 cement :4 fine sand)