Field Dopcument No. 9

Cover
FEASIBILITY STUDY ON THE RELOCATION OF NADURULOULOU AQUACULTURE RESEARCH STATION, FIJI
Table of Content


by

Elek Woynarovich
Project Consultant

Prepared for
the Fisheries Division, Ministry of Agriculture, Fisheries and Forests,
Fiji


The designations employed and the presentations of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal or constitutional status of any country, territory, city or area or its authorities, or concerning the delimitation of its frontiers or boundaries.


The Food and Agriculture Organization is greatly indebted to the organizations and individuals who assisted in the implementation of the project by providing information, advice and facilities.

February 1998

SOUTH PACIFIC AQUACULTURE DEVELOPMENT PROJECT (PHASE II)
FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS

(GCP/RAS/116/JPN)

Suva, Fiji


Hyperlinks to non-FAO Internet sites do not imply any official endorsement of or responsibility for the opinions, ideas, data or products presented at these locations, or guarantee the validity of the information provided. The sole purpose of links to non-FAO sites is to indicate further information available on related topics.

This electronic document has been scanned using optical character recognition (OCR) software. FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.


Table of Content

1.   INTRODUCTION

2.   SCOPE OF REPORT

3.   DISCUSSION

3.1   Freshwater aquaculture in Fiji - a brief review

3.1.1   History of species cultured at Naduruloulou Research Station
3.1.2   Production
3.1.3   Future prospects
3.1.4   The Commodity Development Framework Programme

3.2   Naduruloulou Research Station

3.2.1   Functions
3.2.2   Seed production and applied breeding technologies
3.2.3   Facilities

3.3   Justification of relocation - constrains of operation

3.3.1   Site flooding
3.3.2   Other constrains
3.3.3   Conclusion

3.4   Future utilisation of the NRS site
3.5   Site selection for relocation

3.5.1   Summary of sites
3.5.2   Recommendation for site selection

3.6   Presentation of the new aquaculture research centre at Navua

3.6.1   Location, accessibility and existing infrastructure
3.6.2   Functions and production objectives
3.6.3   Pond pattern
3.6.4   Water supply and drainage
3.6.5   The hatchery-laboratory block
3.6.6   Administrative and ancillary buildings
3.6.7   Infrastructure
3.6.8   Residential buildings
3.6.9   Cost analysis

4.   RECOMMENDATIONS

5.   REFERENCE

APPENDIX I   TERMS OF REFERENCE (AQUACULTURE ENGINEER)

APPENDIX II   ITINERARY

APPENDIX III   PERSONS MET

APPENDIX IV   ASSESSMENT OF INUNDATION OF THE NADURULOULOU RESEARCH STATION

APPENDIX V   FACILITIES AT NADURULOULOU RESEARCH STATION

1.   WATER SUPPLY
2.   HATCHING FACILITIES
3.   REARING FACILITIES
4.   CARP HATCHERY
5.   LABORATORY
6.   OTHER FACILITIES
7.   PONDS

APPENDIX VI   BASIC DATA OF TECHNOLOGY APPLIED AT NADURULOULOU RESEARCH STATION

APPENDIX VII   SITE ASSESSMENT FOR RELOCATION OF NADURULOULOU RESEARCH STATION

1.   LAKENA SITE (VITILEVU)
2.   NAVUA SITE (VITILEVU)
3.   BELEGO SITE (VANUA LEVU)

APPENDIX VIII   TECHNICAL REPORT ON THE NEW AQUACULTURE RESEARCH CENTRE AT NAVUA

1.   INTRODUCTION

2.   THE SITE

2.1   Accessibility, link to infrastructure
2.2   Soil
2.3   Climate

3.   FUNCTIONS AND PRODUCTION OBJECTIVES

4.   ENGINEERING ESTABLISHMENTS

4.1   Administrative and ancillary buildings
4.2   The hatchery - laboratory block

4.2.1   Laboratory
4.2.2   Hatcheries
4.2.3   Technological facilities
4.2.4   Water supply to the hatchery - laboratory block

4.3   The ponds

4.3.1   Pond pattern
4.3.2   Water supply of ponds
4.3.3   Drainage
4.3.4   Distribution pipes
4.3.5   Pond structures
4.3.6   Culverts
4.3.7   Outdoor tanks
4.3.8   Others

4.4   Quarantine facilities
4.5   Internal transport

5.   GENERAL RECOMMENDATIONS FOR FURTHER DESIGN

5.1   Land and soil survey
5.2   Water quality
5.3   Design

5.3.1   Buildings
5.3.2   Earthworks
5.3.3   Structures
5.3.4   Hydraulic computation
5.3.5   Energy supply
5.3.6   Protection against predators

5.4   Construction

APPENDIX IX   COST ESTIMATES

LIST OF DRAWINGS

A-1.Location map and general layout1:5,000
A-2.Pond layout1:2,000
A-3.Layout plan and cross sections of Tilapia - Carp hatchery building1:100
A-4.Layout plan and cross sections of Prawn hatchery building1:100
B-1.Contour dikes I – II. 
B-2.Contour dikes III – IV. 
B-3.Separation dikes I – II. 
B-4.Separation dikes III – IV 
B-5.Drainage sluice - Longitudinal section 
C-1.Multipurpose concrete tanks - Volume 2×1.3 m3 
C-2.Multipurpose concrete tanks - Volume 2×2.6 m3 
C-3.Outdoor rectangular concrete tanks - Volume 20 m3 
C-4.Outdoor circular concrete tank 
C-5.Drainage sluice - Monk 
C-6.20 litre fibreglass incubator jar 
C-7.60 litre fibreglass incubator - rearing jar 
C-8.200 litre fibreglass incubator - rearing jar 
C-9.Fibreglass trough 
C-10.Steel grate for floor drains in hatcheries 
C-11.Module steel stand: Base frame 
C-12.Module steel stand: Supplementary elements for 20 litre incubators 
C-13.Module steel stand: Supplementary elements for 60 litre incubators - rearing jars 
C-14.Steel stand for 200 litre incubator - rearing jar 
C-15.Water distributing pipes for incubators and rearing jars 

List of Tables and Figures

Table 1   CDF aquaculture targets
Table 2   Seed production facts and plans at NRS
Table 3   List of ponds at Navua (extract)
Table 4   Summary of cost estimates
Table 5   Annual peak water levels of Rewa River
Table 6   Fibreglass and concrete tanks at NRS
Table 7   List of ponds at NRS
Table 8   Meteorological data of Navua
Table 9   Water demand in the hatcheries
Table 10   Water demand for out-door tanks
Table 11   Schedule of ponds

Figure 1   Production of selected species
Figure 2   Location of sites assessed by the consultant
Figure 3   Annual peak discharges and corresponding water levels of Rewa River (1972–1997)
Figure 4   Annual peak water levels of Rewa River (1972–1997)