Construction of additional class room building to Government High school Madampillaidharmam at Radhapuram Taluk, Tirunelveli district

Earth work excavation by mechanical means(hydraulic excavator) / manual means for foundation, trenches etc., in all types of soils below ground level including shoring, strutting, bailing / pumping of water, leveling, ramming the bottom of excavation, refilling with selected excavated materials in the sides of the foundation in layers, consolidating and disposing off the surplus earth at places as directed with in a lead of 2 Kms all as per drawings and specifications. - up to 1.5m ht

Providing and laying plain cement concrete 1:3:6, using 40 mm and down graded stone aggregate at all height including mechanical mixing, leveling, compaction, vibrating, finishing smooth the exposed surfaces of concrete, curing etc complete as per drawings and standard specifications.

Providing and laying plain cement concrete 1:2:4, using 20 mm and down graded stone aggregate at all height including mechanical mixing, leveling, compaction, vibrating, finishing smooth the exposed surfaces of concrete, curing etc complete as per drawings and standard specifications.

Filling in basement with selected earth in layers of not more than 150 mm thick, each layer well rammed, watered and consolidated as per specifications. Selected earth shall be brought from a maximum lead of 2 km with in the Site.

Providing Pre-construction anti-termite treatment using chlorpyriphos emulsifiable concentrate 20 % with 1 % concentration as per specifications. Note: The contractor shall furnish from the agency carrying out this work under this item a written guarantee in favour of NPCIL for the satisfactory performance of the treatment for a period of ten years.

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC , carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. With material conforming to Grade-I (size range 75 mm to 0.075 mm ) having CBR Value-30, as per clause 401 of MORT & H specifications complete in all respects .

In foundation and basement

Providing and laying M20/M25 Design mix concrete with cement content up to 350kg/Cum using 20mm and down graded stone aggregates including Mixing, Ramming, Compaction, leveling, curing, placing at all lifts, including scaffolding and Finishing smooth all exposed faces complete as per specification.