3.3 Uncontrolled Depletion of Contractor procurement / Decrease / no change of Contractor, Construction Part of BOQ excavation / construction obtain construction materials rate of exploitation of Design / Period extraction of materials at only from authorized sites or construction materials Consultant construction points of suppliers. Engineers, materials source LGA Works Engineer, sand, gravel, Borrow pit cobblestones, fill owners (e.g. materials) TANROADS) LGA EMO MATERIAL EFFICIENCY AND WASTES 4.1 Uncontrolled Reduced Institute measures for Water consumption rate LGA Water On-going $100 a year water use (for volume of reduction of consumption, and quality Department construction, available for waste water, and pollution by: Local drinking various uses Reducing water consumption Management purposes) Avoiding spillage and leakage Committees Education awareness of LGA EMO workers on measures to minimize water loss 4.2 Uncontrolled Reduced Avoiding losses due to Material consumption – use of volume of spillage and leakage (regular loss assessments construction material Establishing preventive through all use steps) materials available for maintenance programmes various uses Substituting and/or reducing the use of materials harmful to the environment (e.g. (leaded fuel) Use materials formulated with internationally acceptable benign (non / low toxicity / ingredients 4.3 Discharge of Increase Waste All management solid wastes collected Contractor and Planning Part of BOQ biodegradable / nutrients in procedure disposed at authorized disposal LGA Works period organic wastes: site. Engineer
3.3 Uncontrolled excavation / extraction of construction materials sand, gravel, cobblestones, fill materials) Depletion of construction materials at points of source Contractor procurement / obtain construction materials only from authorized sites or suppliers. Decrease / no change of rate of exploitation of construction materials Contractor, Design / Consultant Engineers, LGA Works Engineer, Borrow pit owners (e.g. TANROADS) LGA EMO Construction Period Part of BOQ MATERIAL EFFICIENCY AND WASTES 4.1 Uncontrolled water use (for construction, drinking purposes) Reduced volume of available for various uses Institute measures for reduction of consumption, waste water, and pollution by: Reducing water consumption Avoiding spillage and leakage Education awareness of workers on measures to minimize water loss Water consumption rate and quality LGA Water Department Local Management Committees LGA EMO On-going $100 a year 4.2 Uncontrolled use of construction materials Reduced volume of material available for various uses Avoiding losses due to spillage and leakage Establishing preventive maintenance programmes Substituting and/or reducing the use of materials harmful to the environment (e.g. (leaded fuel) Use materials formulated with internationally acceptable benign (non / low toxicity / ingredients Material consumption – (regular loss assessments through all use steps) 4.3 Discharge of biodegradable / organic wastes: Increase nutrients in All solid wastes collected and disposed at authorized disposal site. Waste management procedure Contractor LGA Works Engineer Planning period Part of BOQ
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