Construction of Compound Wall at Parakallur Middle School at Ward No03 in Tharamangalam Municipality

Earth work excavation for foundation in all kinds of soils and subsoils with intial lead of 10 metres and initial lift of 2 metres to full depth as may be directed except hard rock requiring blasting inclusive of shoring strutting and baling out water wherever necessary and refilling the sides of foundation with excavated earth in layer of 15cm thick well rammed and consolidated and depositing the surplus earth within the compound in places shown by the departmental officers etc., complete complying with standard specification

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers -Mixing by mechanical means

Supplying and erecting centering for sides and soffits including supports and strutting up to 3.29m high for plane surfaces such as RCC Slabs,Rectangular beams,Tee (or) ELL beams,Lintels,bed block,slabs,landing beam,canopy side slab,or boxing (or)vertical slabs,rectangular (or) quare(or)round columnsetc.,as detailed below with all cross bracings using M.S Sheets of size 90cmx60cm and B.G 10 Stiffended with welded M.S.Angles of size25mmx25x3mm for boarding laid over silver oak(or)country wood joist of size 10cmx6.5cm spaced at about 90cm centre to centre and supported by casurina props 10cm to 13 cm dia spaced out 75 cm centre to centre or at suitable intervals etc.,complete complying with std.specification Mat and Plinth Beam

b) Column

Supply and fabrication and placing in position of TMT steel rods to required size and length as directed by the departmental officers including cost of binding wire, cutting, bending and tying with proper position etc., including cost and conveyance of all materials to site and all labour charges etc., complete Complying with Standard Specification

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without inspiring strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcement grill and fabricating charges, centering and shuttering and also including laying,vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc.,complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Brick work in following Cement Mortar using best quality Fly ash Brick of size 230x110x75mm with class designation of 10 conforming to IS 13757-1993 or IS 12894-2002 for foundation and basement including Cost of Mortar Plasticizer, curing, etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond shall be done as directed by the Executive Engineer in charge.

Plastering in Cement Mortar 1:5 Mix (one cement, five sand) 12mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications

Painting two coats with ready mixed plastic emulsion of first quality paint of approved colour over a priming coat including through scrapping clean removal of dirt etc.complete and including necessary plaster of paris putty wherever requiredetc., completed.

Supplying and laying of Interlocking Paver Block Stone 63mm thick Over a base layer of crushed stone sandfilling incl. Cost of materials laying and Labour charges etc complete complying with the standard specification and as directed by the departmental officers.