Construction of Earthen Valley Dam At Alathoor in Chettappalam Micro Watershed

Amount

Construction of Earthen Valley Dam at Alathoor in Chettappalam Micro Watershed

2.6 & 2.6.1- Earth Work Excavation by mechanical means (Hydraulic Excavator) / manual means in foundation trenches or drains (exceeding 30 cm in depth, 1.5m in width as well as 10 sq.m on plan) including disposal of excavated earth lead pto 50m and lift upto 1.5m , disposed earth to be levelled and neatly dressed.

2.8.1- Earth Work Excavation by mechanical means (Hydraulic Excavator) / manual means in foundation trenches or drains (exceeding 30 cm in depth, 1.5m in width as well as 10 sq.m on plan) including dressing of sides and ramming bottoms, lift upto 1.5m, including getting out the excavated soil and surplus ecxcavated as directed with in a lead of 50 m. All Kind of Soil.

5.1.3- Providing & Laying in position Specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing & reinforcement - all work upto plinth level 1:2:4 ( 1cement:2Coarse sand: 4 Graded stone aggregate 20 mm nominal size)

5.22- Steel Reinforcement for RCC work including strenghtening, cutting, bending, placing in position and binding all complete

4.3.2 - Centering & Shuttering including Strutting, Propping etc. and removal of form work of Retaining walls, return walls (Any Thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

OD- Cut OFF Wall using in impervious sheet

14.24- Mud Mortar made with local clay good earth, core wall using stiff clay inside of earthen dam

2.3.1- Banking excavated earth in layers not exceeding 20 cm in depth, breaking clods, watering, rolling each layer with 1/2 tonne roller, or wooden or steel rammers, and rolling every 3rd & top -most layer with power roller of minimum 8 tonnes and dressing up , embankments for roads, flood banks, marginal banks, and guide banks etc. lead upto 50 m and lift upto 1.50m. Note:- Contractors resposibility to arrange the required earth his own risk

16.3.9- Supplying and Banking Good Earth

9.48, 9.48.2- Providing & Fixing MS Grill of required Pattern in frames of windows ets with MS Flats, square or round bars etc. including priming coat with approvedsteel primer all complete. . 9.48.2 Fixed to openings / Wooden Frames with rawl plug.

19.6.10- Providing & Laying non-pressure NP2 class (light duty) RCC Pipes with Collars Joined with stiff Mixture of cement mortar 1:2 ( 1 Cement: 2 Fine Sand) including testing of joints etc complete.

60.7.4:- DR Packing - Rough Stone Dry Packing for apron with good quality blasted rubble including packing to compactness to lines levels, cost & conveyances of all materials labour charges etc. Complete as per direction of Departmental Officers at site.

60.8- Supplying & Providing Vengai Wood Shutter Planks 5 cm Thick including cost of materials and labour charges etc complete for Spillway Shutter.

2.28.1- Providing & fixing Geo Textiles around the berm and Cross Wall. Surface dressing of the ground including removing Vegitation and in equalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.50 m

Kurian Thomas