Details: 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 abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specification. 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 contenet of 325kg/ and maximum water cement ratio of 0.55 including admixture (plasticiser / super plasticiser) in recommended proportions as per is 9103 to accelerate, related setting of concrete, improve workability
Sector: Municipality