Repairs and Reconditioning of 2.6 MGD No.2, No.3, No.4 Filter Beds in Head Water Works in RMC.

Labour charges for removal of Water Treatment Plant existing filter media Sand and Pebbels as directed by the Engineer - in - Charge. (5.50 mtrs x 4.57 mtrs x 1.2 mtrs = 30.16 or 31cum 1Bed = 31Cum)

Charges for existing filter Bed Walls and Bottom Chemicals Washing and Water Cleaning etc., complete

Applying paint CTAR EPOXY BLOCK for existing filter bed walls Both sides including cost and conveyance to work spot and all labour charges etc., completed

Supply, delivery and fixing of 90mm dia PVC 10Kg perforated laterals pipes (26 Pipes x 2.5 mtrs x 2 sides = 130mtr) including cost and conveyance to work spot and all labour charges etc. complete.

Required New Pebbels Filter Media Unform Sizes (5.50 mtrs x 4.57 mtrs x 0.60 mtrs = 15.08 or 16cum) Pebbles 1st layer 60 mm to 40 mmPebbels 0.15mtrs, 2nd layer 40 mm to 20 mm thick 0.15 mtrs 3rd layer 20 mm to 12 mm thick 0.10mtrs, 4th layer 12 mm to 6mm Pebbels 0.10mtrs, 5th layer 6mm to 3mm Pebbels 0.10mtrs

Required New Sand Filter Media Unform Sizes (5.5 mtrs x 4.57 mtrs x 0.7 mtrs = 17.59 or 18Cum) 6th layer 2.5 mm to 0.7 mm Corse Sand thick 400 mm and 7th layer 0.7 mm to 0.45 Fine sand thick 300mm

Labour charges for Laying of existing filter media Sand and Pebbels as directed by the Engineer - in - Charge. (5.5 mtrs x 4.57 mtrs x 1.35 mtrs = 32.67) 1Bed = 33Cum)

Labour charges for removal of Water Treatment Plant existing filter media Sand and Pebbels as directed by the Engineer - in - Charge. (5.50 mtrs x 4.57 mtrs x 1.2 mtrs = 30.16 or 31cum 1Bed = 31Cum)

Charges for existing filter Bed Walls and Bottom Chemicals Washing and Water Cleaning etc., complete

Applying paint CTAR EPOXY BLOCK for existing filter bed walls Both sides including cost and conveyance to work spot and all labour charges etc., completed

Supply, delivery and fixing of 90mm dia PVC 10Kg perforated laterals pipes (26 Pipes x 2.5 mtrs x 2 sides = 130mtr) including cost and conveyance to work spot and all labour charges etc. complete.

Required New Pebbels Filter Media Unform Sizes (5.50 mtrs x 4.57 mtrs x 0.60 mtrs = 15.08 or 16cum) Pebbles 1st layer 60 mm to 40 mm Pebbels 0.15mtrs, 2nd layer 40 mm to 20 mm thick 0.15 mtrs 3rd layer 20 mm to 12 mm thick 0.10mtrs, 4th layer 12 mm to 6mm Pebbels 0.10mtrs, 5th layer 6mm to 3mm Pebbels 0.10mtrs

Required New Sand Filter Media Unform Sizes (5.5 mtrs x 4.57 mtrs x 0.7 mtrs = 17.59 or 18Cum) 6th layer 2.5 mm to 0.7 mm Corse Sand thick 400 mm and 7th layer 0.7 mm to 0.45 Fine sand thick 300mm

Labour charges for Laying of existing filter media Sand and Pebbels as directed by the Engineer - in - Charge. (5.5 mtrs x 4.57 mtrs x 1.35 mtrs = 32.67) 1Bed = 33Cum)

Details of Maximum amount reimbursable to the Contractor.

1) Provision for GST @18%

2) Provision for NAC @ 0.10%