Construction of Shore protection at Velankanni village in Nagapattinam District

Formation of Filter Layer for rubble mound groyne with quarry run hard blue granite stone of weight 1kg to 10kg having a specific gravity of not less than 2.65 as per approved design and drawing including quarrying, loading transporting by tippers/lorries weighing in the electronic weigh bridge for measurement, dumping, placing in position to required level, profile and finishing the side slopes 1:1.5 on both sides wherever required as per drawing with necessary equipment and devices as per the drawings and specification etc complete as directed by the Departmental Officers. The rate is also inclusive of placing, sectioning and finishing with necessary equipment and devices and hire and operational charges of tools and plants etc. (The payment shall be made on weight basis (ie) laden weight minus unladden weight). The contractor has to make his own arrangements for weigh bridge.

Formation of core layer for rubble mound groynes with quarry run hard blue granite stone of weight 10Kg- 500Kg having a specific gravity of not less than 2.65 as per approved design and drawing including quarrying, loading, transporting by tippers/lorries weighing in the electronic weigh bridge for measurement, dumping, placing in position to required level, profile and finishing the side slopes 1 : 1.5 on both sides with necessary equipment and devices as per the drawing and specification etc., complete as directed by the Departmental Officers. The rate is also inclusive of placing, sectioning and finishing with necessary equipment and devices and hire and operational changes of tools and plants etc. (The payment shall be made on weight basis (ie) laden weight minus unladden weight). The contractor has to make his own arrangements for weigh bridge.

Formation of Toe Berm Layer for rubble mound Breakwater with hard blue granite stone of weight ranging from 1T to 2T having a specific gravity of not less than 2.65 and as nearly cubical as possible as per approved design and drawing. The rate is inclusive of quarrying, loading at quarry using crane and other tools and plants as required, transporting by tippers/ lorries weighing on the electronic weigh bridge for measurement, Unloading/dumping placing in position to required level, profile and finishing the side slopes of 1 : 1.5 using crane and floating equipment and devices as per the drawing and specification etc., complete and as directed by the Departmental Officers. The rate is inclusive of placing sectioning and finishing with necessary equipments and devices and hire and operational charges of tools and plants etc. (The payment shall be made on weight basis (ie) ladden weight minus unladden weight). The contractor has to make his own arrangements for weigh bridge.

Formation of Armour layer for rubble mound groynes with quarry run hard blue granite stone of weight ranging from 1T to 2T having a specific gravity of not less than 2.65 and as nearly cubical as possible as per approved design and drawing. The rate is inclusive of quarrying, loading at quarry using crane and other tools and plants as required, transporting by tippers/ lorries weighing on the electronic weigh bridge for measurement, Unloading/dumping placing in position to required level, profile and finishing the side slopes of 1 : 1.5 using crane and floating equipment and devices as per the drawing and specification etc., complete and as directed by the Departmental Officers. The rate is inclusive of placing sectioning and finishing with necessary equipments and devices and hire and operational charges of tools and plants etc. (The payment shall be made on weight basis (ie) ladden weight minus unladden weight). The contractor has to make his own arrangements for weigh bridge.

Supplying and filling in foundation, basement, etc with Sand Gravel mix in ratio of 1:3 in layers of not more than 15cm thick thoroughly mixed, well watered, rammed with surface vibrator and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Earth work excavation for foundation by manual means for Isolated, Combined and Other type foundations in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Earth work open excavation by manual means in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification and as direct- ed by the departmental officers.

Supplying and filling in foundation, basement, etc with Stone Dust in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15cm thick well rammed with surface vibrator, watered and consolidated etc., complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers. - Mixing by manual means