Sambavarvadakarai NNT 2023-2024

Amount

Earth work excavation and depositing on the bank with initial lead and lift of 10 metres and initial lift of 2 metres in hard stiff stiff clay stiff block cotton hard red earth murram, gravel stoney earth and earth mixed with small size boulders and hard gravelly soils (SS 20 B) etc., complete as per standard specification - 1m3 For Foundation

Providing dowel bars of 25mm dia mild steel hooked at top including drilling holes of 40mm in hard rock to a depth of 1.00m and including dowel bars of 25mm dia such a way that 1.00mis inside hard rock 1.00m above and bend up for 0.40m length hard rock level and will be embeded to the foundation footing and filling the gab of dowel holes with cement mortar 1:1 mix including cost of dowel bars handling charges fabrication charges including labour for fixing in position and bending to shape etc., complete

Plain cement concrete Using 1:4:8 mix ( One cement , four Sand and Eight aggregates) using 40 mm ISS HBG metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying,consolidating and curing etc complete as per the standard specifications. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as RCC slabs rectangular beams all beams lintels etc., centering for soffits upto 3 meter height using mild steel sheet of size 90 cm x 60 cm x 10 mm gauge with MS angles of size 25mm x 25mm x 3mm laid over silver oak (CW) joists of size 10cm x 6cm spaced upto 90cm c/c and casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per TNDSS NO : 30 & 86.

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 60% of 40mm size and 40% of 20 mm size ISS HBG metal from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing. Laying and curing etc., complete as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Collection supply and filling of well gravel filling approved quarry including cost and Conveyance of all materials to site and all labour charges for filling etc., Complete.

S Kumarasamy