Bid Document Amendment Reference Number: KGN-BDD-10-2016 _Addendum 5 Tender for EPC+F of Modular Geothermal Power Plants at Olkaria The following should be amended on the Bid Document; Insert the following at the end of Section VI; Appendix C (pg 96): Appendix D: Environmental Management Plan Bidder are required to comply with the requirement of the Environmental Management Plan (EMP) at all times during construction activities. All costs that are associated with compliance to this EMP must be included in the EPC financial proposal (EPC contract price). 1 EPC+F Modular Geothermal Power Plants_Addendum 5
ENVIRONMENTAL MANAGEMENT PLAN (EMP) FOR THE PROPOSED MODULAR GEOTHERMAL POWER PLANTS PROJECT TO BE LOCATED AT OLKARIA GEOTHERMAL FIELD, NAIVASHA SUB-COUNTY Prepared by: Cornelius Ndetei Philip J. Barasa & Principal Environmental Scientist Environmental Officer January, 2017 2
Project Objective: Design, procure (manufacture), supply, install and commission modular geothermal power plants including all related infrastructure and services, to be located at OW-733 and OW-R5 sites within Olkaria. The wells earmarked for the modular geothermal power plants include: OW-733, OW-733A, OW-733B, OW-732B and OW-734B and OW-40A, OW-40V, OW-50A and OW-50B. ENVIRONMENTAL MANAGEMENT PLAN FOR THE PROPOSED MODULAR GEOTHERMAL POWER PLANTS PROJECT AT OLKARIA GEOTHERMAL FIELD, NAIVASHA SUB-COUNTY Environmental/Social Potential Impacts Proposed Mitigation Aspect Measures (A) Construction Phase Time Frame Responsibility Hiring of casual labour -Conflicts with local community leading to suspension of construction activities -Recruitment of all unskilled labour to be done through the Stakeholders Coordination Committee. -Main Contractor Noise emission Environmental/Social Aspect -Interference with animal bahaviour -Public nuisance -Provision of ear muffs to workers exposed to noise levels above 85dB(A) -Adverse human health -The noise level from each equipment shall be less than 85 db(a) at 1m distance as specified in the tender document -Use of appropriate sound proof materials in areas where workers are likely to stay for eight or more hours. Potential Impacts Proposed Mitigation Measures Throughout Time Frame Main Contractor Responsibility 3
Dust emission -Public nuisance -Adverse health impacts of workers -Dampen bare earth surfaces through sprinkling water -Provision of personal protective equipment -Main Contractor -Spread ballast in all exposed surfaces around the well head to suppress dust emission -Use of dust nets where necessary -Covering of trucks transporting loose materials with canvas -Stock piles of loose materials to be protected against wind erosion Vegetation clearing -Loss of animal habitat -Emergence of invasive species -Soil erosion -Conflicts with Hell s Gate Management Committee -Maintain the construction footprint as per the approved layout plans. -Habitat restoration (landscaping and re-vegetating with native species of trees/shrubs and grass) to be undertaken simultaneously with construction works. Construction phase -Main Contractor -Control of invasive species via regular inspections and uprooting programme 4
-Contractors lay down area and residential campsite shall be as approved by KenGen taking into consideration ecologically sensitive sites -Consultations with KWS to facilitate proper siting of facilities Uncontrolled access to the construction sites Injury to domestic animals, wild animals and local community -Enclosure of the construction sites with chain link perimeter fence -Prior to commencement of construction works -Main Contractor Hydrogen sulphide gas poisoning Provision of security services Throughout construction works Main Contractor -Installation of appropriate safety signs e.g for hydrogen sulphide Throughout -Main Contractor Visual intrusion Negative perception by tourists and/or visitors -Camouflage the modular power plants structures and components like steam pipelines Prior to installation works -Main Contractor Handling and storage of flammable and/or hazardous materials -Soil contamination -Water contamination -Provide secondary containment at designated fuel and oil storage areas Throughout Main contractor -Adverse health impacts 5
-Provision of fire fighting equipment at strategic positions -Training of fire marshals -Maintain on site appropriate spill response kits including sausage booms and metallic containers -Designated storage areas for hazardous/flammable materials should be made of an impervious floor -Maintain at the point of use, Material Safety Data Sheets (MSDS) Waste disposal -Contamination of soil -Contamination of water resources -Aesthetic degradation -Provision of suitable containers for temporary accumulation of solid waste -Segregation of solid waste from the source -Contractor -Potential for injuries -Hazardous solid waste shall be disposed of via NEMA licensed hazardous waste handlers -All domestic non-hazardous waste shall be disposed at KenGen s designated sites -Maintenance of an inventory of all the waste categories 6
generated and their final disposal as approved by KenGen -Provision of suitable workers sanitary facilities -Encourage reuse and recycling of materials Health & Safety Aspects -Injuries to workers or visitors -Penalties as a result of non compliance -Adverse health impacts -Loss of life -Standard Operating Procedures including Job Safety Analysis (JSA) and method statements for critical activities shall be documented and approved by KenGens Quality & Safety Engineer -Use of permit to work system for risky undertakings -Prior to and throughout -Main Contractor -Provision & enforcement of the use of personal protective equipment -Registration of the workplace with Directorate of Occupational Health & Safety Services (DOHSS) -Establishment of Occupational Health & Safety Committee -Regular OSH committee meetings 7
-Installation of appropriate safety signs -Daily tool box meetings -Mandatory safety briefings & induction of new staff & visitors -Documentation of accidents and incidents -Maintain a standard first aid kit on site -Undertake mandatory OSH trainings e.g first aid and fire marshall training -Close supervision of workforce to ensure proper workmanship -Appointment of a qualified environment & safety personnel for the project -Conduct planned and impromptu inspections to identify gaps & recommend mitigation measures -Provide an emergency vehicle on site at all times 8
- Carry out statutory equipment inspection and maintain certificates on site -Maintain and service the fire equipment -Maintain at the site well stocked first aid kits -Provision of portable hydrogen sulphide gas detectors to workers carrying out activities in areas prone to hydrogen sulphide gas emission Staff welfare Adverse human health -Provide potable water to workers at strategic positions -Make necessary arrangements for provision of food catering services to workers by public health certified vendors Throughout construction period Main Contractor Abstraction and usage of water from Lake Naivasha -Conflicts stakeholders with -Wastage of water resulting to high water bills -Create awareness on the need to conserve water provided -Routine inspection and condition based maintenance of the water supply network construction period Main Contractor -Metering of the water provided for construction works -Use of push taps in washrooms 9
-Analysis and trending of water usage Influx of workers to Olkaria -Spread of communicable and contagious diseases like HIV/AIDS thus increasing prevalence - -Institute an appropriate awareness and education programme -Arrange for mobile Voluntary Counseling and Testing (VCT) services Throughout construction period Main Contractor -Provision of condoms at strategic positions Increased traffic -Animal kills -Conflicts with KWS -Frequent accidents leading to injuries and/or loss of life -Comply with park rules as may be directed by KWS or KenGen from time to time. This includes defined speed limit of 40km/hr -Mandatory induction on park rules by KenGens Environment Section Prior to and throughout Main Contractor -Evaluation of drivers competency -Establishment of a fleet management system -Provision of an escort vehicle for abnormal load transportation -Awareness and education creation on alcohol and drug abuse 10
-Traffic safety awareness creation Gaseous emissions -Greenhouse effect -Adverse human health -Public nuisance -Stack emission measurements from the generator -Scheduled and condition based maintenance of equipment Throughout Main Contractor Brine discharge/overflow -Soil contamination -Legal penalties Conflicts with KWS and local community -Injuries to wildlife, domestic animals & human beings -Incorporation of a suitable reinjection system -Periodic monitoring of the pipeline connection for leakages and condition based maintenance -Proper fencing of the conditioning ponds Throughout construction operation phases and -Main Contractor -KenGens Steam field Engineers -Nuisance to the public -Proper containment of brine including provision for overflow pond (B) Operation Phase Environmental/Social Aspect Brine disposal Potential Impacts Proposed Mitigation Time Frame Measures -soil contamination -100% reinjection of brine Throughout operation -legal penalties phase Responsibility Steamfield section, KenGen 11
-Nuisance to the public Noise emission -Adverse health impacts -Public nuisance -Monitoring of noise levels -Provision of personal protective equipment operation phase Environment operation KenGen and sections, Hydrogen emissions sulphide -Poisoning of staff or visitors due to accidental release -Install fixed H2S monitors at strategic locations within the modular power plants. operation phase Environment and Operation Sections -Daily monitoring of H2S at the modular power plants and the surrounding environs. Solid waste disposal -Contamination of soil -Contamination of water resources -Aesthetic degradation -Provision of suitable containers for temporary accumulation of solid waste -Source segregation of waste operation phase -Operations section Environmental/Social Aspect Health & safety aspects -Maintenance of an inventory of all the waste categories generated and their final disposal as approved by Environment section Potential Impacts Proposed Mitigation -Injuries to workers or visitors -Penalties as a result of non compliance Measures -Document Standard Operating Procedures in line with QMS & EMS standards -Use of permit to work system for risky undertakings Time Frame operation phase Responsibility -Operations section 12
-Adverse health impacts -Provision & enforcement of use of personal protective equipment -Registration of the workplace with DOHSS -Establishment of Occupational Health & Safety Committee -Regular OSH committee meetings -Safety briefings & induction of new staff & visitors -Documentation and investigation of accidents and incidents -Maintain a standard first aid kit on site -Undertake mandatory OSH trainings e.g first aid and fire marshal trainings -Carry out planned and impromptu audits to identify gaps & recommend mitigation measures -Provide an emergency vehicle on site at all times 13
- Carry out statutory equipment inspection and maintain certificates on site -Maintain and service the fire equipment -Carry out statutory audits (C ) Decommissioning Phase Environmental/Social Aspect Potential Impacts Proposed Mitigation Measures Time Frame Responsibility Hydrogen emission sulphide -poisoning of staff and visitors -Proper capping of the wells after dismantling the steam gathering system Immediately after dismantling the steam gathering system -Contractor & -KenGens steam field section Solid waste disposal -Contamination of soil -Contamination of water resources -Aesthetic degradation -Clean up of the site to the satisfaction of KenGens Environmental Officer -Removal of all categories of waste generated for appropriate disposal as directed by KenGens Environmental Officer -upon dismantling & removal of equipment & containers from the site -Contractor & -KenGens Environment Team Visual intrusion - Negative perception by tourists and/or visitors Restoration of the affected sites (re-vegetation & watering) including well pads, campsites & brine containment ponds to the satisfaction of KenGens Environmental Officer -Upon clean up of the site - Contractor & -KenGens Environment Team 14
Health & Safety Aspects -Injuries to workers or visitors -Penalties as a result of non compliance -Adverse health impacts -Dismantling of equipment to be undertaken based on the approved Standard Operating Procedures comprising of Job Safety Analysis (JSA) and method statements -Use of permit to work for risky undertakings decommissioning phase - Contractor & -KenGens Environment & Safety Team -Provision & enforcement of the use of personal protective equipment -Proper supervision of activities to ensure good workmanship -Master valves & the side valves should be properly blanked off -Remove master valve handle to prevent interference by unauthorized persons e.g children -Use of suitable warning signs for hydrogen sulphide emissions -Provide an emergency vehicle on site at all times - Carry out statutory equipment inspection and maintain certificates on site 15
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