Providing high ceiling galvolume sheet roofing for the Thovalai Flower Market Complex at Thovalai in Kanyakumari District.

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 and 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.

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 1:4:8 (One cement, Four sand and Eight hard broken stone jelly) using 40mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15cm 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 3mm for boarding, laid over silver oak joints 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 specification. (Payment for centering shall be given after the concrete is laid)

Cement Concrete 1:1-1/2:3 (One cement, one and a half M.sand and three hard broken stone jelly) using 20mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc., shall be finished smooth with Cement Mortar 1:3 (One cement and three M.sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc., complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Fabricating supplying and erecting the Pre-engineered steel building structure using Galvanised structural steel sections, conforming to Grade 50 with yield strength of 345MPa baseplate, sag rods, struts including cleats to receive ‘Z’ and ‘C’ purlins, cutting, drilling holes, welding, grinding fixing the members with necessary bolts nuts, anchor bolt of approved quality, hoisting, aligning and placing the 'I' section in position as per the design got approved from the department, fixing purlins with sag rods, supporting the purlins from the beams on both sides. The welding should be done with submerged arc welding to full length. The rate inclusive of the cost of painting the members with one coat of primer of Zinc chromite and enamel paint two coats etc., complete complying with standard specification and as directed by the Departmental Officers, etc., complete.

Supplying and laying of Profiled Galvalume Sheet of TCT 0.47mm and standard width of 1.060mm with yield strength of 550 MPA of approved quality for roofing with necessary U or J bolts and nuts bitumen GI washers etc., complete complying with standard specification and as directed by the departmental officers during execution of work.

Supplying and fixing of profile colour coated Galvalume Eave Gutter of size 217x16.8x154mm made of colour sheet 1.00mm thick with yield strength of 550 MPA of high tensile / C.R. sheets of approved quality for roofing with necessary fixing arrangements

Supplying and laying of Gal volume sheet ridge pieces approved quality with necessary U or J bolts and nuts GI washers etc., complete complying with standard specification.

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes of having a pressure of 4Kg/sq.cm including cost of necessary PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cost of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of "U" clamp at the centre of the pipe line in addition to those for more than 3.0 meter pipe length, etc., complete complying with standard specification - For 160mm Dia. PVC Pipe