Tiruppur Corporation_SFC - School Improvement Grant - O and M Works 2025-26_Maintenance and Special Repair works to NRK Puram Corporation High School ward No.32.

Dismantling the existing Plain cement concrete including removing the debris from the site and stacking useful material at work site for reuse etc., complete complying with standard specification.

Supplying and erecting centering for soffits of plane surfaces like RCC Slabs, Lintels, Sunshades, Square Columns, Staircase waists, Beams etc., including strutting 3m high using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with M.S angles of size 25mm x 25mm x 3mm laid over silver Oak (C.W) joists of size 10cm x 6.5cm (spaced at about 90cm c/c) and supported by casurina props of 10cm to 13cm dia (spaced of 75cm c/c) etc., complete complying with standard specification.

Plain Cement concrete in 1:8:16 [one cement, eight M-sand and sixteen course aggregates] using 20mm size Hard Broken/Machine crushed Granite Stone Jelly for dummy columns including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Plain Cement concrete 1:4:8 [one cement, four M-sand and eight course aggregates] using 40mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Paving the floor with 8mm thick Double Charged Vitrified Tiles in all floors over a base layer of cement mortar 1:3 [one cement and three M-sand] 20mm thick of walls and floors and pointed with the same colour cement neatly, including polishing with electric polishers to a high degree so as to make it perfectly smooth and showing etc., complete complying with standard specification.

Paving the floor with 20mm thick Cement based Hydraulically Pressed Anti-Skid (EUROCAN) tiles (Pattern design) in cement mortar 1:3 [one cement and three M-sand] 20mm thick and pointed with same colour of cement etc., complete as per standard specification.

Ceiling Plastering with cement mortar 1:3 mix (one cement three P-sand), 10mm thick in all floors for RCC slabs, Beams, Sunshades including packing, providing cement mortar beading for sunshades, staircase steps, landing slabs etc., as directed by the departmental officers etc., complete complying with standard specifications.

Plastering with cement mortar 1:5 mix (one cement five P-sand), 12mm thick in all floors using clean screened M-Sand and including cost of curing for fifteen days from the completion of the work and surface should free from undulations and including the cost of preparing the surface for plastering and protecting from other damages till setting of mortar etc., complete complying with standard specification.

Supply and fixing of M.S Grills with Doors, Windows, Ventilators and Gates of required size suitable to site condition with one coat of red oxide with primer including all costs such as welding, grinding and fabrication charges, cost and conveyance of all materials to site etc., complete as per standard specification.

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc., conforming to IS specification including primer coating and enamel painting as per design given by the departmental officers etc., complete as per standard specification.