Rejuvenation of Storage Tank of Urban Water Supply Loonkarnasar under Sub Div Loonkaransar

Earth work in excavation over area ( for Sedimentation cum storage tank) Exceeding 30 cm in depth 1.5 Mtrs in width as well as 10 Sqm on plan) including disposal of excavated earth lead up to 50 M and all lift. Disposed earth to be levelled and neatly dressed including stacking of useful material if any available during excavation for all kind of soil. Earth work to be carried out by means of mechanical system i.e. Tractor craw or any other mechanical system. No extra payment shall be done for lift of any limit. This work also involves dressing of sides & bottom for lining purpose which is to be done manually, slope of sides to be maintained as per specification. Work is to be done as per direction of Engineer In Charge and technical specifications.

Silt clearance from Sedimentation cum storage tank with all lift and lead up to 50 Mtr. Silt to be disposed outside the Headworks boundaries. Disposed silt to be levelled and neatly dressed including stacking of useful material if any available during excavation for all kind of soil. Silt clearance is to be carried out by means of mechanical system i.e. Tractor craw/Trolley or any other mechanical system. No extra payment shall be done for lift . This work also involves dressing of bottom which is to be done manually and there shall be no damage to lining and LDPE film of tank. Work is to be done as per direction of Engineer In Charge and technical specifications.

SINGLE FLAT BRICK LINING WITH 250 MICRON LDPE FILM:- Preparing surface levelled & dressed to proper slope & laying over it on sand properly rammed and watered in 2 Layers of 5 cm each. Providing and laying 250 micron LDPE film as per ISS:2506-1984 including overlapping on the finished surface of compacted sand. Over LDPE film 15 mm thick cement sand mortar 1:3 shall be provided and laid which shall be cured properly. Over the base mortar single layer Ist class brick lining in cement sand mortar 1:3 shall be provided with joints not more than 8 mm wide and curing shall be done for 14 days. This also includes providing weedicides & anti-termite treatment, complete work as per technical specifications.

Brick work with common burnt clay F.P.S.(Non Modular) bricks of class designation 7.5 in foundation and plinth with - Cement mortar 1 : 6 (1 cement : 6 coarse sand)

Brick work with F.P.S. bricks of class designation 75 in superstructure above plinth level upto floor V level in all shapes and sizes in : Cement mortar 1 : 6 (1 cement : 6 coarse sand)

Plaster on new surface on wall in cement sand mortar 1:3 including racking of joints etc. complete fine finish :20mm thick

Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level. M10 grade Nominal Mix 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 20 mm nominal size).

LDPE Film 250 Micron

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. - In cement mortar.

Filling available excavated earth ( excluding rock) in trenches , plinth, side of foundations etc. in layers not exceeding 20 cm. in depth, consolidating each deposited layer by ramming and watering including lead upto 50 m. and lift upto 1.5 m.

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq. metres and under including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50 m lead With cement mortar 1 :4 ( 1 cement : 4 coarse sand)

Felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches removing the roots and stacking of serviceable material and disposal of unserviceable material. - Beyound 120 cm girth upto including 240 cm girth

Finishing wall with water proofing cement paint of approved brand and manufacture and or required shade to give an even shade including all scaffolding: Old work (One or more coats)

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