Rejuvenation of Raw water storage tank at RWSS 12 KWD under Sub Division Rawatsar Urban

Demolishing of Brick masonry including stacking of serviceable material and disposal of unserviceable material within 50 m lead. Brick masonry in cement mortar

015.3 Removing of mortar from bricks and stacking clean bricks 0015.3.2 Brick masonry in cement mortar

24.3 Brick work with modular bricks of class designation 75 in foundation and plinth in:24.3.2 Cement Mortar 1:6 (1 cement : 6 coarse sand)

Plaster on new surface on walls in cement sand mortar 1:4 including racking of joints etc. complete fine finish : 20 mm thick

Finishing walls with water proofing cement paint of required shade including all scaffolding. : New work (Two or more coats applied @ 3.84 kg/10 sqm).

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 50M 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 and 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

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.NOTE :- For additional lead, beyond 50M, every additional lead will be paid as per PWD BSR. But for lead of 500M, 1 km. and onward; initial rate of 50M will be deducted from concern rates of above said leads

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)

Providing and Laying in position of Cement concrete Nominal mix (1:5:10) including leads of all construction materials, curing, compaction and finishing with rendering in cement sand mortar 1:3 (1 cement : 3 coarse sand) and making good the joints excluding the cost of centering, shuttering and reinforcement. Well graded crusher broken stone aggregate of maximum size upto 20 mm

Dewatering by tractor 35 to 45 HP fitted withlocal burma size 8"-10" dia vertical / horizontal type complete with all accesories.

12.3 Storage Tank SINGLE FLAT BRICK LINING WITH 250 MICRON LDPE FILM:- Preparing surface levelled and dressed to proper slope and 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 and anti-termite treatment, complete work as per technical specifications.