Construction of flood protection wall in pappankal LS 1500 m of kadayanallur municipality

Earth work excavation for foundation and depositing on bank with an intial lead of 10m and intial lift of 2m in hard stiff clay , stiff block cotton , hard red earth , shales , murrams , gravel , stoney earth and earth mixed with small size boulders S.S.20 B etc., complete complying with standard specification and as directed by the departmental officers

Providing and placing in position Plain Cement concrete of M-10 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm to IS specified grading and using crushed stone sand(m-sand) ( to achieve the specified characteristic strength of 10 N / mm² in 28 days ) and mixing the incredients in approved mixer including dewatering of the placement site by baling/pumping and diverting wherever necessary placing in layers and watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specification etc., complete complying with standard specifications and as directed by the Engineer incharge of work.

Without strutting

with strutting

Providing and placing in position of plain Cement concrete of grade M15usinghard well graded aggregates with the nominal maximum size of coarse aggregate of 40mm (60%) and 20mm (40%); weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of not exceeding 15 cm thick and in bays; vibrating, compacting and finishing the surface with all leads and lifts; watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications and excluding the cost component of providing rigid and smooth centering for soffits of concrete slab or plain surface wherever necessary for various depths below ground level and various heights above ground level etc., complete as directed by the Engineer in charge of works and as per the technical specifications.