Construction of one class room building in North Main Street Govt Middle School at Pudukkottai City Municipal Corporation

Amount

Earth work excavation for foundation in all soils and sub-soils and to the full depth refilling the sides of foundation with excavated earth in layers of 15 cm thick etc., complete

Supplying and filling in foundation and basement with good river sand in layers of not more than 15 cm thick well rammed and consolidated including watering etc complete.

Supplying and filling GRAVEL in 'foundation and basement with filling crushed stone sand in layers of not more than 15cm.thick well rammed watered and compacted -1m3 etc., complete complying with standard specification.

Cement concrete 1:5:10 using 40 mm gauge hard grante broken stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15 cm thick.

Brick work in cement mortar 1:6 (One cement and six sand) using country bricks of size 8¾" x 4¼" x 2¾" including curing etc complete. Foundation and basement

In Ground Floor

Damp proof Course in C.M 1:4, 12mm thick w.p.c 2% weight of cement etc.,

Supplying and erecting shuttering including supports for plane surfaces in foundation and basement for RCC column and footings grade beam plinth beam steps etc.,props of 10cm to 13cm dia spaced at 75cm centre to centre etc. complete.

Supplying and erecting centering for sides and soffits including supports and strutting upto 3.29m high for the bracings using mild steel sheets of size 90cm X 60cm and mild steel angles of size 25mm X 25mm X 3mm for boarding laid over country try wood) joists of size 10 cm X 6.5cm and spaced at about 90cm center to center etc., complete

For floor slabs, roof slabs, rectangular beams, Tee beams Ell beams, lintel level bed blocks landing slabs waist slabs canopy slabs etc.,

For rectangular or square R.C.C. Columns top and bottom slab of R.C.C. boxings to windows, R.C.C. sunshads.

Supplying fabricating and placing in position using mild steel or ribbed tor steel grills for all RCC works as per the contractor) etc., complete

For all sizes RTS Rods

Providing and laying in position, standardised concrete Mix M-2o Grade 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 impairing 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 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).

Foundation and Basement.

In Ground Floor

Cement concrete 1:5:10 using 40 mm gauge hard broken granite stone helly for flooring base including rough to receive the floor finish etc., complete.

Brick partition walls of 10.80 cm thick using bricks of size 8¾" X 4¼"X2¾" cement mortar 1:3 (one cement contractors at his own cost etc., complete.

In Ground floor

Plain Cement Concrete 1:2:4 (one cement, two sand and four hard broken stone jelly) using 10 to 6 mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Paving the Top of roof with Solar refelective ceramic tiles of size 305 x 305 x 7mm thick of approved quality and colour laid in Cement mortar 1:3 (One cement and three sand) 12mm thick and pointed with tile grout (Nitotile Grout or equivalent) and cement in the ratio of 1:3 for joint, curing etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by the Executive Engineer before use on works)

Paving the floor with best approved quality fine polished Kota stone slabs of size 600 x 600 of 18 / 20mm with machine cut edges and matching marble slab not less than 100mm width other than Adanga Marbles as border laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three sand) fixing the slabs in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments and polishing with floor polisher to a high degree of finish etc., The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.

Providing Blockboard in two layers with first layer in cement mortar 1:5 (one cement and five sand )20mm thick and the second layer in Combination mortar 1:1:6(one cement one lime and six sand) 20mm thick and providing band all round the block board in c.m 1:5 (one cement and five sand) for 20mm thick and 50mm width including cost of one coat of block oxide paint of approved quality complying with standard specification.

Supplying and fixing cuddapha slab of 20/30mm thick with fine polished machine cut edges for cup board selves etc., complete.

Plastering the surfaces of walls with cement mortar 1:5 (One cement and five sand) 12mm. Thick including curring in all floors etc., complete.

Special ceiling plastering and finishing all the RCC exposed surface such as RCC slabs sunshade canopies, staircase steps landing slabs etc., with cement mortar 1:3 ( one cement and three sand) 10mm, thick including hacking the surface using the same mix etc., complete.

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Painting the wall two coats with approved weather proof Exterior Emulsion paint over one primer coat of over cement plastered wall surface ect., complete complying with standard specification.

R MURUGESAN (BID ID -1399238)