tender for repair and maintenance of mini culvert at ward no 9 mela streetin thondi town panchayat.; 1 dismantling rcc by manual / by usingdeploying machineries including all labour charges etc.complete with std.specifications. 2 supplying and erecting centering for sides and soffits including supports and strutting uptp 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90cmx60cm and 10 gauge stiffened, welded with mild steel angles of size 25mmx25x3mm for boarding laid over silver oak (country wood) joist of size 10cmx6.5cm dia spaced about 90cm centre to centre and supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre tocentre etc.complete complying with standard specification and as directed by the departmental engineers. tnbp no.30 3 plain cement concrete 1:2:4mix (one part of cement,two part of fine aggregate and four part of coarse aggregate) using 20 mm iss hbg metal for side wall including vibrating chargesdewatering if found necessary and laid and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental engineers(tnbp no.28). 4 plastering in c.m. 1:5 mix (one part of cement and five part of m.sand) 12mm tk including mixing and finishing to a well smoothened surface, watering cost and conveyance all materials and all labour and other incidental chargesetc., complete.as per standard specification tnbpss 56,57 5 providing granolithic floor finish of 25mm thickness with plain cement concrete 1:2:4 (one cement, two crushed sand (m-sand) and four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. (the rate is inclusive of necessary planking for panellingwherever necessary and as directed by the departmental officers)