Delhi Development Authority Tender

BOQ ITEMS: Shock Dosing - Removal of odour, algae, reduction of BOD, COD, TSS, PH value nitrates, phosphates, up to the parameters as described in the objective of the work by biological treatment by way of Bio-remediation using POND & LAKE CLEANER or other equivalent product in solid or liquid form as per manufacturers specification and direction to support life without disrupting the aqua ecology, and to meet the standards of the lake prescribed by IS 2296 Class D as required for propogation of wild life and fisheries, with further objectives to eradicate all harmful foul smell, mosquito colonies, aquatic weeds, algae etc. at suitable points in the lake i/c removal of floating plant & other material like empty bottles, dead leaves/trees, polythene bags etc. from the lake by fibre boat and clearing the grass from bank/beams around the lake, all complete as per the direction of Engineer-in-charge this includes the cost of product, labour and equipment needed for treatment. This product should be non pathogenic, non-hazardous and shall not have any adverse effect on agriculture, aquatic culture, humans, animals and to the environment. The necessary labour shall be deployed to complete all operation such as spraying and dosing, removal of floating plants and other material like trash, empty bottles, dead leaves/tree branches, polythene bags, removal of bio sludge/solids generated during treatment, dredging etc. from the lake/water body. Note-1.Shock Dose (For 10 Days) 2. Rate shall be inclusive of cost of dosing material, one lab test per month, T&P for dosing / spraying, cleaning of the lake, safely arrangment and adequate manpower required to carry out all the activities., Regular Maintenance Dosing - Removal of odour, algae, reduction of BOD, COD, TSS, PH value nitrates, phosphates, up to the parameters as described in the objective of the work by biological treatment by way of Bio-remediation using POND & LAKE CLEANER or other equivalent product in solid or liquid form as per manufacturers specification and direction to support life without disrupting the aqua ecology, and to meet the standards of the lake prescribed by IS 2296 Class D as required for propogation of wild life and fisheries, with further objectives to eradicate all harmful foul smell, mosquito colonies, aquatic weeds, algae etc. at suitable points in the lake i/c removal of floating plant & other material like empty bottles, dead leaves/trees, polythene bags etc. from the lake by fibre boat and clearing the grass from bank/beams around the lake, all complete as per the direction of Engineer-in-charge this includes the cost of product, labour and equipment needed for treatment. This product should be non pathogenic, non-hazardous and shall not have any adverse effect on agriculture, aquatic culture, humans, animals and to the environment. The necessary labour shall be deployed to complete all operation such as spraying and dosing, removal of floating plants and other material like trash, empty bottles, dead leaves/tree branches , polythene bags, removal of bio sludge/solids generated during treatment, dredging etc. from the lake/water body. NOTE - Rate shall be inclusive of cost of dosing material, one lab test per month, T&P for dosing/spraying, cleaning of the lake, safely arrangment and adequate manpower required to carry out all the activities., Providing and placing polyethylene water storage tank, IS 12701 marked, with cover and suitable locking arrangement without fittings , Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge - External work 50 mm nominal outer dia. Pipes. , Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge - External work 20 mm nominal outer dia. Pipes.