Tiruppur Corporation_SCHOOL_MAINTENANCE _2024-25_12

Amount

Supplying and filling Well gravel in layers of not more than 15cm thick well rammed, watered and compacted etc., complete complying with standard specification.

Plain Cement concrete 1:4:8 [one cement, four 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.

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.

Removing and Adjusting Mangalore Roofing Tiles (Labour only)

Pantile or Mangalore Tiled Roof without Roof Timbers

Providing and fixing of PVC Rain water downfall pipe of 110mm dia 4kg/sq.cm with necessary teak wood clamps etc., complete complying with standard specification.

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.

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.

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.

Painting two coats with ready mixed Plastic Emulsion paint (weather proof) of approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt and including necessary plaster of paris, putty wherever required etc., complete as per standard specifications.

Painting two coats for old wood work surface using best quality synthetic enamel paint etc., complete complying with standard specification.

Wiring with 2 x 1.5 sqmm (22 /0.3 ) PVCinsulated single core unsheathed copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories inflush with wall with 3mm thick hylum sheet cover with TW switch box and 5A F.T. switchm with continuous earth wire connection of 14 SWGTC wire for making good of the concealed portion with suitable colour for PVC concealed light point / Fan point (For Electronic regulator). etc, complete as per standard specifications.SD23

Add GST @ 18%

R.KRISHNAN (BID ID -1208720)