Construction of Auditorium at Ranipet Government Higher Secondary School (Boys) Ranipet District

Earthwork Excavation for foundation to full depth in all soils and sub soils to full depth as may be directed except in rock requiring blasting but inclusive of shoring strutting and baling out water wherever necessary refilling the sides of foundation with excavated soil other than sand in layers of 15 cm thick well rammed and consolidated depositing the surplus earth within the compound in places shown by the Executive Engineer with initial lead and lift and leveling the same etc., complete

Cement Concrete 1:5:10 (One Cement, Five 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

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

For Foundation & Basement

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)

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.- Mixing by manual means

Supplying fixing and errecting of steel roof trusses and roof truss purlins fixing for G.I. sheet roofing using MS. L. angle of size 50x50x6 mm raffter, Tie angles and MS angle of size 50x50x6mm for sturts and MS plat of size 12 mm thick for fixing G.I. sheet. The purlins using MS L. angle of size 50x50x6 mm shall be properly anchored to the supporting super structure and fixed in concrete at wall and spacing of purlins are to be arranged to use the standard size or sheet and spacing should not execeed 1680 mm and free over hang etc.. complete

Providing and Fixing of polyurethane foam as Internal Partition Wall Thermal insulation panels or Sandwich insulated panels wihboth internal and external 0.50mm total coated thickness repainted galvanized iron sheet with micro ribbed profile and the insulation material will be chlorofluoro carbon and hydro chlorofluoro carbon free , high performance rigid polyurethane foam (PUF) conforming to IS 12436 having density not less than 40±2Kg/M3, Thermal conductivity (K-Value) 0.024 W/m.K measured at 10 degree C mean temperature along with necessary flashings such as L flashing, C flashing etc& accessories such as screws ,fastners ,sealants etc for fixing the panel etc., complete complying with standard specification.

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.)