Tiruppur Corporation_Maintenance and special Repair works at Municipal Elementary School Kumar Nagar (V.O.C Nagar) in ward no.23.

Amount

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.

Supplying, fabricating and placing in position of Steel Reinforcement using Mild Steel or Ribbed Tor steel bars for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors etc., complete complying with standard specification.

Reinforced cement concrete 1:1½:3 [one cement, one and half M-Sand and three course aggregates] using 20mm size Hard Broken/Machine crushed Granite Stone Jelly for all RCC items of works excluding centering, shuttering and cost of reinforcement, including curing, fixing fan clamp and fixtures if necessary 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.

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.

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.

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T.Manikandan