Providing Cement Concrete Pavement to approach road to Knowledge centre building

Amount

Drilling of borewells of size 4" to 5" dia. in sedimentary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including collection of samples as directed by the TWAD Board

Plain Cement Concrete 1:4:8 (One cement, four sand, and eight course aggregate) mix using 40mm HBG ISS metal from approved quarry including cost and conveyance of all materials to site and labour charges, including dewatering if found necessary and laid in layers of not more than 10cm thick and compacted etc., complete complying with standard specifications as directed by the departmental officers

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 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 dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed

Plain Cement Concrete 1:1½:3 Mix (one part cement, One and half part sand and three part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc., complete as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Reinforced Cement concrete 1:1.5 :3 (one cement,one and half sand & three course aggregate)using 20mm gauge hand broken/ and broken granite stone for all RCC items of works excluding centering shuttering and cost of reinforcement including curing etc.,complete and also including fixing fan clamps and fixtures in RCC works wherever necessary as directed by departmental officer etc., complete.

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors as per standard specification.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the materialwith water at OMC in mechanical mix plant carriage for mixed material by tipper to site laying in uniform layers with paver in sub base/base course on well prepared surface and compacting with vibratory roller to achieve the desired density, complete as per clause 40 of MORT & H specifications.

Providing Bitumen pad 15mm thick for Expansion joint including cost and conveyance of all other labour and material charges to site etc., complete.

DEVENDRAN ETHIRAJ