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Rabi High School  (9256 Cakaudrove)

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About

Rabi High has 207 students in 2018. 40 are from nearby islands and board in the two dormitories. 21 teachers are providing classes from years 9 to 13. 12 teachers’ quarters are in the school precinct. The school has two diesel generators. One still awaiting repair and this one: check out this clip of the old thing starting up . Repair costs since 2015 exceeded $10,000. Fuel and transport of the fuel is costing the school approximately $11,000 per year for 6 hours day power and 3 hours in the night for the teachers. Currently the new solar is fulfilling all those needs with 24-hour uninterrupted power. Those fuel savings, repair costs and teachers happy to pay $90 per term for their now 24-hour power translates into many laptops and other electronic resources for the school.

This 6240W system includes: 24 x YingLi 275 solar panels, 1 x SB5000 inverter, 1 x SI8.0 inverter, 8 x Simpliphi PHI3.4 batteries, 1 x new Clenergy ground mounting system. Most tube lighting removed and replaced with LED tubes in the teachers quarters and some class rooms. The main class rooms used for night study had recently globe holders installed to replace the tubes (a recommendation we had put to the Ministry in 2016). We did not have LED globes with us, so the school is buying the globes from the fuel savings.

The project was funded by the Fiji Water Foundation. The project was installed Feb. 2018.

School Role & Facilities
Last Updated:
Students:
Teachers:
Classrooms:
Kindergarten:
Offices:
Library/computer area:
Teachers homes in the school grounds:
Boarders (live-in students):
Hostels (Boarding houses):
Dining rooms:
Images and videos (2018) Images (2008)

Carbon Dioxide and Financial Savings
Document

Rabi High School

Annual school fuel saving (litres) (1)

Annual fuel saving 0 teachers' homes getting solar (litres) (2)

Annual cartage saving (litres) (3)

Total annual fuel saving (litres) (4)

Fuel saving over 30 years (litres)

Annual CO2 saving (kgs)

CO2 saving over 30 years (kgs)

Annual AUD saving (8)

Annual USD saving

Annual FJD saving

30 yrs AUD saving

30 yrs USD saving

30 yrs FJD saving

Total of All It's Time Solar Schools

Total annual school fuel saving (litres)

21,580

Total annual fuel saving 91 teachers' homes getting solar (litres)

4,150

Total annual cartage saving (litres)

3,289

Total annual fuel saving (litres) (4)

29,019

Total fuel saving over 30 years (litres)

870,570

Total annual CO2 saving (kgs)

73,991

Total CO2 saving over 30 years (kgs)

2,219,949

Total annual AUD saving (8)

$ 81,238

Total annual USD saving

$ 55,233

Total annual FJD saving

$ 121,857

Total 30 yrs AUD saving

$ 2,437,140

Total 30 yrs USD saving

$ 1,656,990

Total 30 yrs FJD saving

$ 3,655,710

Assumptions

Fuel cost in the islands in AUD/litre (5)

2.00

Fuel cartage consideration % (3)

0.15

Annual fuel consumption per teacher's home wired (litres) (2)

50.00

Annual generator maintenance consideration AUD (6)

1500.00

CO2 produced per litre of fuel burned (kgs) (7)

2.55

AUD to USD conversion rate used

0.68

AUD to FJD conversion rate used

1.50

Notes

(1) This is the annual fuel consumption based on reporting from the school at the time of school survey and affirmed at the time of installation. It refers to direct fuel use by the school, not including teachers' homes.

(2) The fuel consumption of teachers' homes varies considerable between homes and over time. Their sources of energy varies from their own small generators to shared generators, still some use kerosene for lighting and some small solar (often failing) for lights and charging. Recently on Beqa Island two of the 7 households at one school were each using 10 litres of fuel per week and some were using very little. So, we have chosen the conservative underestimate of each household saving of 2 litres per week (approx. 5 kgs of CO2).

(3) Most schools have a cost to get fuel to the school - usually small boats and car/truck on the mainland. The costs vary from small amounts to some schools where the cartage cost is almost the same as the cost of the fuel itself. The cartage consideration (dollar and carbon cost) is a percentage of the total fuel consumption, because it varies widely from school to school we have chosen quite a conservative estimate.

(4) Includes cartage and teachers' home consumption estimate that therefore contribute to the total CO2 saving. But we do not include the teachers home in the financial saving - rather we just refer to the savings from the school generator.

(5) This is the current published diesel price in Fiji presented in AUD. Often the islands pay a higher price, but that is not factored in, so generally the price will be a small under estimation.

(6) Generators often require repairs and eventually replacement. That cost varies significantly from school to school, so a conservative value is applied to represent this component of cost/saving for all schools. It is not possible to calculate that accurately for every school, hence the estimate across all.

(7) Burning diesel produces CO2 at a rate of 2.68 kgs/litre, whereas petrol produces it at a rate of 2.31 kgs/litre. We have chosen 2.55 as the approximate for our calculations because there is more diesel used than petrol in the school generators.

(8) The fuel savings in the teachers' homes are not included in the calculation of financial savings for the school. Although teachers are asked to make a small contribution each term (FJD70) for their now 24-hour power and this goes to the school to buy more education resources.

Specifications
Document
28 July 2008

Inverters

Inverter type

Panels

Panel type

Number of panels

Array (watts)

Mountings

Mountings

Brand

Batteries

Battery type

Number of batteries

Kilowatt hours

Batteries mounted

Partners

Solar contractor

General electric works constractor

Contacts
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General - Prep: Feedback on solar QC
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General - Prep: FCCC
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General - Prep: Documentation
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General - Prep: Daily Update and Image
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General - Prep: Pop Up Blocker
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General - Prep: SEAH Policy
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General - Prep: Starlink Mini and Power Supply
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General - Prep: Child Protection Policy
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General - Prep: QC Training Video
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General - Prep: Where your work fits
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General - Prep: Genuine Images Only
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General - Prep: Changes to school contacts
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General - Prep: Additional requirements listed on the Exhibit
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Equip. Specs: Simpliphi 6.6 Installation Video
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Equip. Specs: Simpliphi 6.6 Spec Sheet
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Equip. Specs: Simpliphi 6.6 Support Library
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Equip. Specs: Simpliphi 6.6 Unboxing Video
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Equip. Specs: Simpliphi 6.6 Installation Manual
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Equip. Specs: Noark Install Video
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Equip. Specs: Noark Manuals
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Equip. Specs: Clenergy PV ezRack Installation
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Equip. Specs: Clenergy Solar Terrace ll Installation Manual
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Equip. Specs: Noark 12, 14, 16 Single phase manual
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Equip. Specs: Noark/Deye Calculator
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Equip. Specs: Noark/Deye Simpliphi 6.6 Settings
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Equip. Specs: Noark/Deye Support line
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General - Site: Relevant Wiring Standard
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General - Site: SEIAPI Design Guidelines
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General - Site: SEIAPI Install Guidelines
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General - Site: Inverter and Battery Name Plates
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General - Site: Risk Assessments and Safety Measures
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General - Site: Risk Assessments and Safety Measures
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General - Site: Summary and Site Awareness
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General - Site: Roof repairs
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General - Site: Inform Inspector expected date you will leave site
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Reticulation: All parts
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Mounts - Roof: Array mounting
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Mounts - Ground: Post depth, spacing and overhang
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Array DC wiring: Cable ratings
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Array DC wiring: Cable Ties
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Array DC wiring: Earthing
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Array DC wiring: String Configuation
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Array DC wiring: Enclosures
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Array DC wiring: Junction box
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Array DC wiring: Physical Protections
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Array DC wiring: Standards and requirements
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Array DC wiring: String protection
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Inverter Hybrid: Noark/Deye 6.6 Batt Settings
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Inverter Hybrid: Refer Inverter - Battery and Inverter - PV
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Inverter - PV: AC protection
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Inverter Hybrid: Dongle Info
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Inverter - PV: AC wiring
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Inverter - PV: Installation
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Inverter - PV and Hybrid: Inverter isolator
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Inverter Hybrid: Deye/Noark Commissioning
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Inverter Hybrid: Noark/Deye Support and Tips
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Inverter - Battery and Hybrid: AC protection
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Inverter - Battery and Hybrid: AC wiring
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Inverter - Battery and Hybrid: Equipment Standards
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Inverter - Battery and Hybrid: Battery Protection SMA
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Inverter - Battery and Hybrid: SMA Tech Support Email
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Mainboard: Mainboard
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Battery System: Cable selection
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Battery System: Cable length multi stacks
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Battery System: Documentation
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Battery System: Earthing
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Battery System: EnergyTrak Gateway
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Battery System: General
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Battery System: Non-combustible barrier
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Battery System: Signage
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Commissioning: AS/NZS 3000
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Commissioning: Documentation
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Commissioning: Verification and Testing
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Waste Removal: Small Solar Systems
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Waste Removal: Waste removal and audit
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Wrap: Lights are on video
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Wrap: Required Labelling and Signage
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Wrap: Images for sponsors
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Wrap: Future Works
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Wrap: General close out comments
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Wrap: Logistics
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Wrap: Promotional signage
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Wrap: School/Community Support STD
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Core Energy Solutions
Manager Samisoni Makasiale samisoni@coreenergy-solutions.com 7800382 Edit Delete
Its Time Foundation
Inspector Clayton Eigenmann clayton.eigenmann@itstime.org.au 900 1757 Edit Delete
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General - Prep: QC Training Video
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General - Prep: Additional requirements listed on the Exhibit
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General - Site: Summary and Site Awareness
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General - Site: Inform Inspector expected date you will leave site
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Reticulation: Earthing guidelines if penetration issues
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Reticulation: All parts
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Reticulation: Pillar box installation
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School BLD: School Hall
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School BLD: Designated computer areas
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School BLD: Glass bunker lights
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School BLD: #1 Ablutions block
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School BLD: #2 Ablutions block
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School BLD: B1 Office and Staff Rooms
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School BLD: B9 Office and Staff Rooms
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School BLD: B9 Storerooms
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School BLD: Dining room
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School BLD: Hostels
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Quarters: Q1 Reticulation to Quarters
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Quarters: Q1 Subboard, GPOs and Lighting
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Quarters: Q1 External works report
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Quarters: Q10 Reticulation to Quarters
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Quarters: Q11 Reticulation to Quarters
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Quarters: Q3 Reticulation to Quarters
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Quarters: Q3 Subboard, GPOs and Lighting
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Quarters: Q9 Reticulation to Quarters
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Quarters: Q9 External works report
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Waste Removal: Existing small solar systems
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Waste Removal: Waste removal and audit
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Wrap: Verification and Testing
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Wrap: General close out comments
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Wrap: School/Community Support STD
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Wrap: Future Works
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Wrap: Logistics
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Wrap: Promotional signage
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General - Prep: Starlink Mini and Power Supply
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General - Prep: SEAH Policy
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General - Prep: Pop Up Blocker
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General - Prep: Child Protection Policy
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General - Prep: Where your work fits
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General - Site: Relevant Standard
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Reticulation: Aerial wiring
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School BLD: Kindy Standalone
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School BLD: Roof repairs
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Quarters: Q1 Roof repairs
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Quarters: Q9 Roof repairs
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General - Site: Risk Assessments and Safety Measures
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General - Prep: Daily Update and Image
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General - Prep: Genuine Images Only
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General - Prep: Changes to school contacts
QC ready
Reticulation: Underground cabling
QC ready
Core Energy Solutions
Manager Samisoni Makasiale samisoni@coreenergy-solutions.com 7800382 Edit Delete
Its Time Foundation
Inspector Clayton Eigenmann clayton.eigenmann@itstime.org.au 900 1757 Edit Delete
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