Repairs and Reconditioning of 1.8 MGD Filter Plant No.1,No.2 , no.3 and No.4 Filter Beds in Head Water Works in RMC.

Labour charges for removal of Waste 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 = 30.162 or 30cum 1Bed = 30Cum)

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

Supply, delivery and fabrication of 90mm Ø PVC Pipe of 10Kg/Cm² including drilling holes as per specification and fixing in position as directed by the Departmetnal Authorities. (Damges existing Laterals PVC Pipes)

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

Required New Pebbels Filter Media Unform Sizes (5.50 mtrs x 4.57 mtrs x 0.65 mtrs = 16.3378) Pebbles 1st layer 60 mm to 40 mm thick 200 mm, 2nd layer 40 mm to 20 mm thick 150 mm, 3rd layer 20 mm to 12 mm thick 100 mm, 4th layer 12 mm to 6mm thck 100 mm, 5th layer 6mm to 3mm thick 100mm

Required New Sand Filter Media Unform Sizes (5.50 mtrs x 4.57 mtrs x 0.7 mtrs = 17.5945) 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 = 33.9323 1Bed = 34Cum)

Providing Plastering with CM (1:4), 12mm thick single coat in CM including cost and conveyance of all materials like cement, sand, water etc. to site excluding seigniorage charges on all materials, Including all operational, incidential charges on materials and cost of all labour charges for mixing motor, finishing, curing as directed by engineer-in-charge etc. complete for finished item of work (SS 901, 903 & 904)

Labour charges for removal of Waste 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 = 30.162 or 30cum 1Bed = 30Cum)

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

Supply, delivery and fabrication of 90mm Ø PVC Pipe of 10Kg/Cm² including drilling holes as per specification and fixing in position as directed by the Departmetnal Authorities. (Damges existing Laterals PVC Pipes)

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

Required New Pebbels Filter Media Unform Sizes (5.50 mtrs x 4.57 mtrs x 0.65 mtrs = 16.3378) Pebbles 1st layer 60 mm to 40 mm thick 200 mm, 2nd layer 40 mm to 20 mm thick 150 mm, 3rd layer 20 mm to 12 mm thick 100 mm, 4th layer 12 mm to 6mm thck 100 mm, 5th layer 6mm to 3mm thick 100mm

Required New Sand Filter Media Unform Sizes (5.50 mtrs x 4.57 mtrs x 0.7 mtrs = 17.5945) 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 = 33.9323 1Bed = 34Cum)

Providing Plastering with CM (1:4), 12mm thick single coat in CM including cost and conveyance of all materials like cement, sand, water etc. to site excluding seigniorage charges on all materials, Including all operational, incidential charges on materials and cost of all labour charges for mixing motor, finishing, curing as directed by engineer-in-charge etc. complete for finished item of work (SS 901, 903 & 904)

Details of Maximum amount reimbursable to the Contractor.

1) Provision for GST @18%

2) Provision for NAC @ 0.10%