Abagold WEC BAR - Anchor Environmental

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SECTION A: ACTIVITY INFORMATIONHas a specialist been consulted to assist with the completion of thissection?YESNO1. ACTIVITY DESCRIPTIONDescribe the activity, which is being applied for, in detail:Wave Energy Converter ConceptAbagold Ltd has proposed an alternative energy project that aims to:provide a practical solution to decrease Abagold’s overall energy bill,to test and derive information on the effectiveness of a slot-slope wave energy converter(WEC) to capture potential energy over a period andto provide a demonstration model for similar applications.The slot-slope WEC design is based on the capture and retention of water as a wave recedes along asloped ramp. Incoming waves will run uphill along a slope and on return, water will flow throughangled slots, fitted with simple non-return rubber flaps, and be retained in a wave energy pond.Water will thus be captured temporarily and then passed through turbines on return to the sea togenerate electricity. The proposed turbines to be used are very low head (VLH) turbines which havean extremely low rotational speed, large runner diameter and low water velocity, allowing for fishmovement through the turbines.FIGURE 1: CONCEPTUAL DESIGN OF A SLOT-SLOPE WEC.The benefits of this design are that practically all waves, regardless of speed and size can be21
captured for energy production, output smoothing is possible due to the wave energy pond, and thestructural integrity of this device is ensured by both the simplicity of design as well as the weight ofthe water behind the structure. This serves to enhance survivability during extreme storm events.Alternative 1: Preferred alternativePreferred project approach and layoutA phased construction approach is the preferred alternative, as it allows for the organic growth andtesting of the wave energy technology. During the first phase a pilot slot-slope WEC (see 1 in Figure2) will be constructed on the coast immediately in front of the Abagold Amasa farm (rented fromthe Department of Public works), a small pump assistance pond (see 3 in Figure 2) will beconstructed adjacent to the pump station from which seawater, for use on the farm, can beabstracted, and the existing discharge pipeline will be extended and fitted with a turbine (seeexisting outfall in Figure 2) to generate electricity. If the pilot WEC proves successful, a second WECsee 2 in Figure 2) will be constructed during phase two, to the north of the pump station.FIGURE 2: LAYOUT OF THE PROPOSED SLOT-SLOPE WECS IN RELATION TO EXISTING AND PLANNED DEVELOPMENTS FORALTERNATIVES 1 AND 2.The pilot buffer dam wall will be 50 m long, the pump assistance dam wall 34 m long and the mainbuffer dam wall 180 m long. The sloped dam wall will be approximately 4.5 m above the mean sea22
Page 1: PROPOSED CONSTRUCTION AND OPERATION
Page 4 and 5: PROJECT INFORMATIONTITLEAPPLICANTEN
Page 6 and 7: Project Consultant: Anchor Environm
Page 8 and 9: DETAILS OF SPECIALIST AND DECLARATI
Page 10 and 11: I realise that a false declaration
Page 12 and 13: The proposed development triggers t
Page 14 and 15: within the pond to mean sea level.
Page 16 and 17: Potential ImpactStatusAlternative1A
Page 18 and 19: ock to split apart. The cartridges
Page 20 and 21: TABLE OF CONTENTSSECTION A: ACTIVIT
Page 24 and 25: level and will be constructed of se
Page 26 and 27: these dam walls is estimated to tak
Page 28 and 29: FIGURE 4: METAL FRAME, SHUTTERING B
Page 30 and 31: FIGURE 6: LAYOUT OF THE PROPOSED SL
Page 32 and 33: 9. ACTIVITY MOTIVATION9(a)Socio-eco
Page 34 and 35: applicant will apply for a lease in
Page 36 and 37: 10. APPLICABLE LEGISLATION, POLICIE
Page 38 and 39: 13. ENERGY EFFICIENCYDescribe the d
Page 40 and 41: Erf 248. Hermanus New Harbour. (Lea
Page 42 and 43: 5. LAND USE CHARACTER OF SURROUNDIN
Page 44 and 45: SECTION C: PUBLIC PARTICIPATION1. A
Page 46 and 47: The draft Basic Assessment Report (
Page 48 and 49: 5. COMMENTS AND RESPONSE REPORTA fu
Page 50 and 51: SECTION D: IMPACT ASSESSMENTThe ass
Page 52 and 53: 2. IMPACTS THAT MAY RESULT FROM THE
Page 54 and 55: A.2. POTENTIAL IMPACTS TO MARINE BI
Page 56 and 57: A.3. POTENTIAL IMPACTS TO MARINE BI
Page 58 and 59: quickly to produce high volumes of
Page 60 and 61: 1985), while others, including seab
Page 62 and 63: StatusExtentDurationIntensityProbab
Page 66 and 67: Cumulative impact withmitigationSig
Page 70 and 71: detailed wave modelling study only
Page 72 and 73:
Probability ofoccurrence withmitiga
Page 74 and 75:
during both the construction and op
Page 76 and 77:
timing of any casting or blasting a
Page 78:
SECTION F: APPENDICESAppendix A: Si
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