Providing Granite floor for Development of Neithal Heritage Park at Nagore in Nagapattinam District

Amount

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary. Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc. complete

Supplying and filling in foundation and basement with M - Sand in layers of not more than 15cm thick well watered, rammed and consolidated etc., complete as per standard specification.

Plain Cement concrete 1:4:8 (One cement four M sand and eight broken Machine crushed stone jelly) using HBG Machine crushed stone jelly of size 40mm gauge for founding and basement including de- watering if found necessary and laid in layers of not more than 15cms thick etc., complete complying with standard specification and as directed by the departmental officers.

Plain Cement concrete 1:2:4 (One cement Two M sand and four broken Machine crushed stone jelly) using HBG Machine crushed stone jelly of size 20mm gauge for founding and basement including de- watering if found necessary and laid in layers of not more than 15cms thick etc., complete

Supplying and erecting centering for sides and soffits including necessary supports and strutting up to 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete

For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

Paving the floor with best approved quality fine polished Granite stone slabs of size 1200x600 of 18/20mm thick of synthetic grey, paradise and similar varieties with machine cut edges laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (one cement and three sand) fixing the slabs with required cement joints and pointing the joints with white cement mixed with matching, colouring pigments etc., The granite stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on works, etc., complete as per standard specification

GST at 18 percentage

ab builders (BID ID -1344255)

SRI SAMAYAPURAM CONSTRUCTIONS (BID ID -1343557)