Cons of CW GHSS at Avalur

Amount

Earth work excavation for foundation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary refilling the sides of foundation with excavated soil other than M-sand in layers of 15 cm thick well rammed and consolidated depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification and drawings.

Supplying and filling in foundation, basement, etc with filling M-sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five M-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 curing etc. complete complying with standard specification.

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid)

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centreto centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre at suitble intervals etc. complete in all floors complying with the standard specificaiton. ( The Payment for centering shall be given after the concrete is laid). For plane surfaces such as rectangular or square RCC columns, sunshade, top and bottom slab of RCC boxing etc.,

For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

Providing and laying in position,Standardised Concrete Mix M-20 Grade in accordance with IS :456-2000,using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325kg/cu.m 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 impairing strength and durability with about (5Cu.m) 7730kg. of 20mm machine crushed stone jelly and with about (3.30 Cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79Cu.m) 7670kg. of M-sand,but excluding cost of reinforcement 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)

In Foundation & Basement

In Ground floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcements grills for RCC works as per design given including cost of steel and black binding wire in all floors etc. complete complying with standard specification. (The Contractor will have to make his own arrangements for the supply of MS plain rod / RTS rod and black binding wire)

Brick work in Cement Mortar 1:5 using new II class ground moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" in including neat finishing , curing etc., complete complying with standard specifiction.(Masonry projection wherever necessary for obtaining required elevation shall be done without any extra cost)

In Foundation & Basement

Brick partition walls of 11.50cm thickness using best quality II class Ground moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" in Cement Mortar 1:3 (One Cement and Three crushed stone Sand) using hoop iron reinforcement if found necessary including curing etc. complete and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately)

Plastering with Cement Mortar 1:5 (One cement and Five M-sand), 12mm thick in all floors including finishing neatly curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing mild steel grills for windows, ventilators, rtc., including priming coat

Supplying and painting the walls with two coats of cement paint as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications (The colour and shade of the cement paint shall be got approved by the Executive Engineer before use of work).

Renewal of Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Painting the name board in front side of building with two coats of base paint of synthetic enamal paint over the priming coat , including cost of labour for writting letters in both Tamil and scaffolding charges and scraping the existing wall surface etc complete as directed by departmental officers. size (4.00 x 1.50)

Levelling the uneven surfaces by removing the heaps of earth etc., by plugging out the tree trunk with roots below the ground level and removing the bushes using JCB Machinery etc. complete complying with standard specications and as directed by the departmental officers.

KPD CONSTRUCTION