Tiruppur Corporation_Maintenance and Special Repair Works to Kallangadu Elementary School in Ward No.54

Weathering Course with Brick jelly lime concrete made in Broken Brick Jelly 20mm gauge in pure slaked lime (no M-Sand to be added) laid over roof slab, the proportion of brick jelly to lime being 32 to 12.5 and well beated with wooden beaters for giving required slope and thickness etc., complete complying with standard specification.

Finishing the top of the roof slab with one course of Machine pressed tiles of size 20cm x 20cm x 2cm of approved quality laid in cement mortar 1:3 [one cement and three M-Sand] 12mm thick mixed with waterproofing compound 2% by the weight of cement used and the top pointed with same mortar etc., complete complying with standard specification.

Earthwork excavation for foundation in all soils and sub soils except in hard rock requiring blasting and depositing on bank with initial lead of 10m and initial lift of 2m inclusive of shoring, shuttering, bailing out water wherever necessary, refilling the foundation with excavated earth other than sandy soil in layers of not more than 150mm thick layers well rammed and depositing the surplus earth within the compound in place shown by the departmental officers and clearing and levelling the site etc,. complete.

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.

Plastering with cement mortar 1:4 mix (one cement four P-sand), 20mm 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.

Brick work In CM 1:5 mix using best Second Class Table Moulded Chamber Burnt Bricks 9"x4½"x3" having 350 kg/cm² compressive strength and 15% or less water absorbent in the period of 24hours immersement and confirming to ISI specifications including finishing, curing 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.

Plastering with cement mortar 1:4 mix (one cement four 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.

Wiring with 2x1.5sq.mm .PVC insulated SC unsheathed FRL Scopper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessoires inflush with wall with 3mm thick hylum sheet cover with TW switch box and 5AFT switch and making good of the concealed portion with suitable colour for PVC concealed light/fan Point (for electronic regulator) (5 points per coil)

Supply and fixing of 20W 4 Feet LED Fitting with LED