Desilting and Strengthening of Bund at Kannimarkulam Bond in ward No. 50

DESILTING

Earth work excavation deploying earth moving machineries for desilting channel having a width of more than 10 m and forming bund on either side and depositing the earth on banks including jungle clearance etc., complete.

STRENGTHENING OF BUND

Earth work excavating and depositing on bank with initial lead of 10m and lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excated earth etc., complete.

Plain Cement Concrete 1:4:8 (one cement, four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Supply the Gravel for sides of the revetments and the cost shall including materials and labour charges etc complete as per standard Specifications

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 in all floors complying with standard specifcation -Vertical Surfaces

Plain Cement concrete 1:2:4 (one cement, Two sand, Four aggregate) using 20mm gauge hand broken granite stone jelly for Culvert body wall including dewatering if found necessary and laid in layers of not more than 15 cm thick and compacted etc., complete with standard specfication.

Manufacturing, supplying and fixing in position plain cement concrete precast kerb slab of size 600mm x 600mm x 100mm in Cement Concrete 1:2:4 (One cement, Two crushed stone sand and Four jelly) using 20mm HBG stone jelly including cost of moulding charges, casting of slab, finishing, curing, fixing and pointing the slab with CM 1:3 (One Cement and Three Crushed Stone Sand) to full depth of slab etc., complete complying with standard specification and as directed by the departmental officers.