Rehabilitation of Karivalamvanthanallur Big Tank, Kuvalaikanni Tank in Sankarankovil Taluk and Maruthankulam Tank, Koothadikulam Tank in Thiruvengadam Taluk of Tenkasi District.

Clearing light jungle with out uprooting and disposing of the same as directed by the Engineer complying with standard specification.

Earthwork in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning etc. complete including extra watering and compaction of earth fill layers to specified density of 95% of proctor density through deployment of appropriate compaction equipment (standard 8-10 ton power roller; short width drum vibratory power roller; vibratory power roller; fuel-operated vibratory plate compactor of adequate capacity, as per space available for compaction etc., complete complying with standard specification and as directed by the Departmental Officers.

Supplying demarcation R.C.C. pre cast post in Cement concrete M20 grade with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.15 x 0.15 x 1.20 M and fixing the post 40 Cm depth below ground level, the post includes using 4 numbers of 8 mm RTS main rod to a length of 1.325 M, using 6 mm MS 9 numbers as strrups with steel centering and painting the post with enamel paint to a height of 0.80 M alround the post etc. complete and conveying the post to the site of demarcation boundary such as tank bund and foreshore including earth work excavation for foundation in HSC, and the post embedded by using Cement concrete M10 grade with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm, as per the direction of the Engineers and complying with standard specification.

Dismantling, clearing away and carefully stacking material useful for reuse for any thickness of brick or stone masonry in Cement Mortar walls under 3 (Three) metres high complying with standard specification and as directed by the Engineer.

Earth work excavating and depositing on bank with a initial lead of 10 m & initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size of boulders hard gravelly soil complying with standard specification and as directed by the departmental officers. SS 20B (Open excavation)

Refilling the excavated earth in layers not exceeding 23cm thickness and watering to OMC (Optimum Moisture content) and compaction of each layer to 95% of proctor Density through deployment of appropriate compaction equipment (8-10T power roller) vibratory power roller of short width ( 0.90m width drum) power roller or vibratory power roller/fuel operated or electrically operated, vibratory plate compactors, ensuring compaction of designed bund section including side slopes etc., complete complying with standard specification and as directed by the Departmental Officers.

Earth work excavation for foundation in all kinds of soils and sub soils except hard rock requiring blasting full depth as may be directed and depositing the surplus earth in places shown by the Engineer in - charge of work and leveling the same with all leads and lifts including shoring, strutting, shuttering, baling out water wherever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated etc. complete, complying with technical specifications and drawings as directed by the Engineer in - charge of work. (Specification No.4.2.2.)

Supplying and filling with CS sand of each layer not more than 15 cm thick including consolidation etc complete and as per the technical specifications directed by the Engineer in charge of the works For sluices, weirs sand retainig wall etc., complete complying with standard specification and as directed by the Departmental Officers.

Providing and placing in position of plain Cement concrete of grade M15 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 40mm; 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; 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 etc., complete complying with standard specification and as directed by the Departmental Officers.(Without Vibrations)

Providing and placing in Position of Plain cement concrete of grade M15 using hard broken stone aggregate of maximum nominal size of 20mm 40% and 40mm 60% to IS specified grading mixing by mixer machine including dewatering the placement site,laying the concrete in layers and in bays vibrating,compacting and finishing the surface with all leads and lifts watering curing to attain the profile and strength as specified in the drawing for various depth and height below and above ground level etc complete as directed by the Engineer in charge of work complying with the standard specification (with vibration).