Invitation to Bid

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P.R. No. DC2024-04-045 – Supply, Delivery, and Installation of Instructional, Laboratory, and Maintenance Equipment for Dinalupihan Campus

 

PR No. CO2024-02-0175 - Transportation of BPSU Delegates for the SCUAA III Olympics 2024

 

PR No. CO2024-03-0347 - Supply, and Delivery of Appreciation Package for Teaching and Non-Teaching Employees of BPSU

 

PR No. MC24-03-199 - Conversion of Three Storey Bldg. into Interim Bldg. for College of Medicine at BPSU Main Campus

 

PR No. CO2024-02-0201 - Supply, Delivery of Meals and Snacks for SCUAA III Competition Proper on April 20-26, 2024

 

PR No. AC2024-01-004 - Supply, Delivery and Installation of Electronics and ICT Equipment for UREDIC Building at Abucay Campus

 

PR no. CO2024-02-0200 - Supply and Delivery of Meals and Snacks for SCUAA Rigid Training on April 8-17, 2024

 

PR no. MC24-01-038 - Supply, Delivery, and Installation of Laboratory Equipment for BSCE

 

PR No. CO2024-02-0175 - Transportation of BPSU Delegates for the SCUAA III Olympics 2024

 

PR No. MCO2023-11-1022 Refurbishment of Chemistry Lecture Room at Main Campus

 

PR No. MCO2023-11–1022 Refurbishment of Chemistry Lecture Room at Main Campus

 

PR no. MCO2023-11-1115– Supply and Delivery of Appreciation Package for Bataan Peninsula State University (BPSU) Employees

 

INVITATION TO BID FOR THE DISPOSAL OF VARIOUS SCRAP AND WASTE MATERIALS ON AN “AS-IS WHERE-IS” BASIS - Abucay Campus

 

INVITATION TO BID FOR THE DISPOSAL OF VARIOUS SCRAP AND WASTE MATERIALS ON AN “AS-IS WHERE-IS” BASIS - Central Office

 

PR no. MCO2023-11-1102 Supply and Delivery of Five (5) Unit Service Vehicle at BPSU Main Campus

 

PR no. MCO2023-10-958 - Supply and Delivery of Equipment for the DOST-Funded Research on Water Desalination

 

PR no. MCO2023-11-1090– Supply and Delivery of Year– End Package for Bataan Peninsula State University (BPSU) Employees

 

INVITATION TO BID FOR THE DISPOSAL OF VARIOUS SCRAP AND WASTE MATERIALS ON AN “AS-IS WHERE-IS” BASIS - Dinalupihan Campus

 

INVITATION TO BID FOR THE DISPOSAL OF VARIOUS SCRAP AND WASTE MATERIALS ON AN "AS-IS WHERE-IS" BASIS - Main Campus

 

PR no. MCO2023-10-892 - Procurement of Accident Insurance for BPSU Students in the AY 2023-2024

 

PR no. MCO2023-08-729 - Supply and Delivery of (2) ID Printers and Consumables for BPSU Employees and Students

 

PR no. MC23-02-096 – Renovation of Front Roof of the Old College of Engineering and Architecture (CEA) Building at BPSU Main Campus

 

PR no. MC23-01-007– Completion of Road Network and Drainage System at BPSU Main Campus (REBID)

 

PR no. MCO2022-02-0097– Supply, Delivery and Installation of Information Technology and Office Equipment for BPSU SIKAT Technology Business Incubator Office (per Lot)

 

PR no. AC2023-01-031– Construction of Perimeter Fence at BPSU Abucay Campus

 

PR no. AC2023-01-030– Construction of Road Network and Drainage system at BPSU Abucay Campus

 

PR no. MC23-01-007– Completion of Road Network and Drainage System at BPSU Main Campus

 

PR no. MC2022-12-707-Supply and Delivery of Ultra High Definition Smart Television for Instructional Purposes of the College of Technology (CTEC) at BPSU Main Campus (REBID)

 

PR no. MC2022-11-617– Rehabilitation of Architecture Building at BPSU Main Campus

 

PR no. AC2022-08-239–Supply and Delivery of Thirty (30) Heads Gilt and Two (2) Heads Boar for the Implementation of the Project “Increasing Availability of Swine Quality Stock Through Distribution and Upgrading of Swine Multiplier Farm in Bataan” at BPSU Abucay Campus (REBID)

 

PR no. MC2022-11-620-Supply and Delivery of Ultra High Definition Smart Television for Instructional Purposes of the College of Technology (CTEC) at BPSU Main Campus

 

PR no. BC2022-11-302-Supply and Delivery of Service Vehicle at BPSU Balanga Campus

 

PR no. CO2022-11-0684– Supply and Delivery of Year– End Package for Bataan Peninsula State University (BPSU) Employees

 

PR no. AC2022-09-286–Supply and Delivery of Various Supplies and Materials for the Construction of Poultry Houses and Fences for the Project “Establishing Viable Enterprise using Free-Range Chicken Production Technology in Bataan“ at BPSU Abucay Campus (REBID)

 

PR no. AC2022-10-299– Construction of Dormitory (Ladies) At BPSU Abucay Campus

 

PR no. MC2022-9-522– Supply and Installation of Fire Detection and Alarm System for College of Nursing and Midwifery (CNM) and Administration Building at BPSU Main Campus

 

PR no. AC2022-09-286–Supply and Delivery of Various Supplies and Materials for the Construction of Poultry Houses and Fences for the Project “Establishing Viable Enterprise using Free-Range Chicken Production Technology in Bataan“ at BPSU Abucay Campus

 

PR no. CO2022-08-0505– Procurement of Student Accident Insurance for AY 2022-2023 at BPSU Central Office

 

PR no. CO2022-09-0556–Supply and Delivery of 124 Units of Laptop with Licensed Operating System and Application for Faculty of Various Colleges of the Bataan Peninsula State University

 

PR no. MC2022-9-473– Conversion of ESF Third Floor Building into BPSU Data Analytic Center at BPSU Main Campus

 

PR no. CO2022-08-0526–Supply and Delivery of One (1) Unit Brand New Pick-up Truck with Canopy to be used by Technical-Vocational Education and Training (TVET) Office at BPSU Central Office

 

PR no. CO2022-08-517–Supply and Delivery of Various Supplies and Materials for Covid Response needed for Face-to Face Learning at Bataan Peninsula State University (For Six (6) Campuses)

 

PR no. MC2022-8-418–Supply and Delivery of 25 Units Computer Desktop with Licensed Operating System for College of Information Communication and Technology Laboratory for AY 2022-2023 at BPSU Main Campus

 

PR no. MC2022-8-394–Supply and Delivery of High Fidelity Maternity Mannequin for the College of Nursing and Midwifery (CNM) at BPSU Main Campus

 

PR no. AC2022-08-239–Supply and Delivery of Thirty (30) Heads Gilt and Two (2) Heads Boar for the Implementation of the Project “Increasing Availability of Swine Quality Stock Through Distribution and Upgrading of Swine Multiplier Farm in Bataan” at BPSU Abucay Campus

 

PR no. MCO2022-7-378–Supply, Delivery, and Installation of High Fidelity Maternity Simulator and Equipment for Birthing Clinic and Virtual Hospital of the College of Nursing and Midwifery (CNM) at BPSU Main Campus

 

PR no. CO2022-07-0417– Subscription of Online Enrollment System for Academic Year 2022-2023 at BPSU Central Office

 

PR no. CO2022-07-0389–Supply and Delivery of One (1) Unit Brand New Sports Utility Vehicle (SUV) to be used by Research and Development Office (RDO) at BPSU Central Office

 

PR No. DC2022-05-036–Flooring Improvement of Academic Building I and P.E. Building with Additional Sink at BPSU Dinalupihan Campus

 

PR No. AC2022-05-167–Completion of Organic Agriculture Research and Development Facility at BPSU Abucay Campus

 

PR no. MC2022-03-154 – Procurement of General Pest Control Services for Various Buildings, Departments and Offices at BPSU Main Campus

 

PR No. DC2022-03-025 - Improvement of Façade of Business Center and ICT Building at BPSUDinalupihan Campus

 

PR no. MC2022-02-056 – Supply and Delivery of Swiss Cotton Fabric and Other Materials for the Production of Washable Face Masks at BPSU Main Campus

 

PR no. MC2022-02-040 – Procurement of Internet Subscription (200mbps Dedicated Leased Line) for the Implementation of Smart Campus Project at BPSU Main Campus

 

PR no. MC2022-02-039 – Supply, Delivery and Installation of Information Technology Equipment, Network Peripherals and Software for the Implementation of Smart Campus Project at BPSU Main Campus

 

PR no. MC2022-01-018 – Construction of Automated Guideway Transit (AGT) as Laboratory Facility of the Proposed Railway Engineering Program of College of Engineering and Architecture (CEA) at BPSU Main Campus

 

INVITATION TO BID FOR THE DISPOSAL OF VARIOUS SCRAP AND WASTE MATERIALS ON AN "AS-IS WHERE-IS" BASIS

 

PR no. MC2022-01-012 – Supply and Delivery of 25 Units Laptop for Instructional Purposes of College of Technology (CTEC) at BPSU Main Campus

 

PR no. AC2022-01-009 – Supply, Delivery and Installation of Laboratory Equipment for the Development and Culture of High Value Mushroom Species for Local Production through Upgrading of Mushroom Laboratory at BPSU Abucay Campus

 

PR no. AC2021-12-654 – Supply and Delivery of One(1) Unit Brand New Boom Truck with Manlifter for the Operation and Maintenance at BPSU Abucay Campus (REBID)

 

PR no. MC2021-12-0266 – Supply and Delivery of Adult Patient Simulator High Fidelity Mannequin for Virtual Hospital and Instruction of College of Nursing and Midwifery (CNM) at BPSU Main Campus

 

PR no. MC2021-11-0243 – Supply, Delivery and Installation of Information Communication Technology (ICT) Equipment for the Upgrading of Instructional Laboratories at BPSU Main Campus - REBID

 

PR no. AC2021-10-626 – Supply and Delivery of One(1) Unit Brand New Boom Truck for the Operation and Maintenance at BPSU Abucay Campus

 

PR No. CO2021-11-0399– Supply, Delivery and Installation of 3D Printers and Spools for Application of 3D Printing Technology to Enhance the Competitive Advantage of Local Bamboo and Furniture Industry at BPSU Central Office

 

PR No. MC2021-10-0216–Installation, Testing and Commissioning of Electrical Supply for College of Nursing and Midwifery (CNM) at BPSU Main Campus

 

PR no. MC2021-08-0191 – Supply, Delivery and Installation of Information Communication Technology (ICT) Equipment for the Upgrading of Instructional Laboratories at BPSU Main Campus

 

PR No. DC2021-09-080–Repair and Rehabilitation of Academic Building II at BPSU Dinalupihan Campus

 

PR no. CO2021-09-0322 – Procurement of Student Group Accident Insurance for AY 2021-2022 at BPSU Central Office

 

PR No. AC2021-07-470–Construction of Perimeter Fence at BPSU Abucay Campus

 

PR no. MC2021-08-0187 – Supply and Delivery of Information Communication Technology (ICT) Equipment for BPSU Main Campus.

 

PR no. DC2021-07-061 – Supply, Delivery, Installation, Testing and Commissioning of Solar Panel System at BPSU Dinalupihan Campus

 

PR no. MC2021-07-0165 – Supply, Delivery and Installation of Equipment for the Improvement of Integrated Library System at BPSU Main Campus

 

PR no. CO2021-07-0272 – Supply, Delivery and Installation of Water Quality Analysis and Testing Auxiliary Equipment for the conduct of Environmental Sustainability Research at BPSU Central Office

 

PR No. AC 2021-05-422 – Construction of Free-Range Chicken Multiplier Breeder Facility Inclusive of Fence, Equipment and Supplies at BPSU Abucay Campus

 

PR no. AC2021-05-421 – Supply and Delivery of Free Range Chicken and Livestock Consumables Supplies at BPSU Abucay Campus

 

PR no. AC2021-06-429 – Supply and Delivery of Laboratory Instrument and Equipment for Old Engineering Building at BPSU Abucay Campus

 

PR no. CO2021-05-0204 – Supply, Delivery and Installation of 250kVa/200KW, 3PH@60Hz Generator Set at BPSU Central Office

 

PR no. MC2021-05-0100 – Supply, Delivery and Installation of IT Laboratory Equipment for College of Information and Communication Technology (CICT) at BPSU Main Campus

 

PR no. MC2021-03-0050 – Supply and Delivery of Office Supplies and Consumables for 1st and 2nd Quarter for the Offices of BPSU Main Campus

 

PR no. MC2021-04-0082 – Supply, Delivery and Installation of Furniture and Fixtures for the Third Floor of Library at BPSU Main Campus

 

PR no. AC2021-03-360 – Supply and Delivery of Laboratory Instrument and Equipment for Old Engineering Building at BPSU Abucay Campus

 

PR no. AC2021-03-362 – Supply and Delivery of Laboratory Equipment for BSA and BTVTE Academic Building Laboratories at BPSU Abucay Campus

 

PR no. AC2021-03-361 – Supply, Delivery and Installation of Computer Laboratory Equipment, Network Peripherals and Software for Old Engineering Building at BPSU Abucay Campus

 

PR no. AC2021-03-363 – Supply, Delivery and Installation of Software and Computers for Animal Science Laboratories of BSA and BTVTE Academic Building at BPSU Abucay Campus

 

PR No. OC2021-02-017–Construction of Three Storey Academic Building (Phase 1) at BPSU Orani Campus

 

PR no. C02021-01-0027 – Subscription of Online Enrollment System at BPSU Central Office

 

REBID: PR No. OC 2020-10-211 - Completion of Road Network and Improvement of Drainage System in the Main Compound and Construction of Drainage in Annex at BPSU Orani Campus (Design and Build)

 

Rehabilitation of Graduate Studies Building to Arts and Sciences Building at Main Campus (Phase 2)

 

Construction of University Research, Extension and Development Innovation Center at Abucay Campus (Phase 1)

 

PR no. MC2020-08-0262 – Supply, Delivery and Installation of CNC Milling and Lathe Machine Learning System for the College of Industrial Technology at BPSU Main Campus - Rebid

 

PR No. MC2020-10-0328 - MC-CNM Video Conferencing Equipment for Webinar Meetings

 

PR No. MC2020-10-0329 - MC-CNM Fabrication of Faculty Table

 

PR No. OC2020-10-238 - OC-RESEARCH Kitchen Equipment DABAR ACEF Upscaling and Commercialization

 

PR No. MC2020-11-0331 - MC-LIS Acrylic Partitions for New Normal Setup

 

PR No. AC2020-10-507 - AC-REDO Construction Materials Greenhouse Project (Pilar Beneficiaries)

 

PR No. DC2020-10-086 - DC- Installation of CCTV Cameras

 

PR No. DC2020-10-087 - DC- SATA/LED Monitor with wall bracket and installation for CCTV

 

PR No. AC 2020-10-523 – Construction of University Research, Extension and Development Innovation Center at BPSU Abucay Campus: Phase 1 (inclusive of furniture and fixtures) – Design and Build

 

PR No. MC 2020-10-327 – Rehabilitation of Graduate Studies Building to Arts and Sciences Building at Main Campus: Phase 2 (inclusive of equipment, furniture and fixtures) – Design and Build)

 

PR No. CO-2020-10-340 – CONSULTING SERVICES FOR THE LAND USE DEVELOPMENT AND INFRASTRUCTURE PLANS (LUDIP) OF FOUR (4) BPSU CAMPUSES

 

PR No. BC 2020-10-200 – Completion of Multi-Purpose Hall/Building at BPSU Balanga Campus (Design and Build)

 

PR No. OC 2020-10-211 - Completion of Road Network and Improvement of Drainage System in the Main Compound and Construction of Drainage in Annex at BPSU Orani Campus (Design and Build)

 

PR No. AC2020-09-443 - AC-DEAN Document Scanner to be used in Master of Science in Agriculture Accreditation

 

PR No. AC2020-09-473 - AC-DEAN Acrylic Barrier in Library, Dean's Office and Faculty

 

PR No. AC2020-09-474 - AC-CD Disinfection Supplies for COVID-19 Prevention

 

PR No. CO2020-09-0285 - CO-OPD-MIS Renewal of Cloud Service Subscription and Cloud Security Enhancement for Server

 

PR No. DC2020-09-064 - DC-NSTP Fire Fighting Gears and Tools

 

PR No. DC2020-09-063 - DC-Materials and Labor for the Extension of Works for the Rehab of Acad Bldg 1

 

PR No. MC2020-09-0284 - MC-CTEC Office Equipment 2nd to 4th Qtr

 

PR No. BC2020-09-149 - BC-COED Office Supplies 2nd to 4th Qtr 2020

 

PR No. CO2020-09-0280 - CO-RDO Food Processing Equipment for CHED DARE TO Project

 

PR No. CO2020-09-0281 - CO-ETSO Baking Supplies for Bread and Pastry Production NCII Project

 

PR No. CO2020-09-0282 - CO-ETSO Food Processing Supplies for Extension Project

 

PR No. BC2020-09-148 - BC-HSU Medical Equipment to be used at Isolation Facility

 

PR No. CO2020-09-0278 - CO-VPAA Pocket Wifi for Faculty Training

 

PR No. OC2020-09-171 - OC-Fisheries Laboratory Equipment for Aquaculture and Capture Fisheries Bldg.

 

PR No. MC2020-08-0251 - MC-REDO DEPURATION SET UP FACILITY

 

PR No. CO2020-09-0253 - CO-ETSO Office Supplies 3rd Qtr

 

PR No. CO2020-09-0254 - CO-ETSO Office Supplies 4th Qtr

 

PR No. OC2020-09-167 - OC-Registrar Laptop for Online Enrollment Use

 

PR No. MC2020-07-0213 - MC-REDO Office Equipment for PCAARD funded Research Project (MADS)

 

PR No. BC2020-08-140 - BC-DEAN Office Equipment for Instructional and Learning Resources

 

PR No. DC2020-08-052 - DC- Office Supplies 3rd and 4th Quarter

 

PR No. CO2020-09-0258 - CO-OPD-MIS Gsuite Enterprise for Education Licenses Subscription

 

PR No. DC2020-09-054 - DC-ACCREDITATION Laptop and External Hard Drive

 

PR No. AC-2020-9-440 - AC-INSTRUCTION Plant Science Laboratory Equipment

 

PR No. AC-2020-9-441 - AC-INSTRUCTION Soil Laboratory Equipment

 

PR No. CO2020-09-0255 - CO-RDO Organic Crop and Livestock Production

 

PR No. OC2020-09-159 - OC-ETSO Extension Multimedia Devices

 

PR No. MC2020-02-0076 - MC-DOAS Office Supplies

 

PR No. CO2020-09-0266 - CO-QA Office Equipment and Supplies

 

PR No. CO2020-09-0265 - CO-SUPPLY Office Equipment

 

PR no. AC2020-9-442 – Supply, Delivery and Installation of Animal Nutrition Laboratory Equipment for the Rehabilitation of BSA/BTVTE Building at BPSU Abucay Campus

 

PR No. OC2020-09-148 - OC-LABORATORY and ACCREDITATION -OFFICE EQUIPMENT ABC=75,000.00

 

PR. NO.MC2020-08-0243 - MC-CNM RLE Student Handbook (abc=76,500.00)

 

PR. No.CO2020-09-0238 - CO-ETSO Hope Behind Bars Project Sanitation Supplies (abc=63,200.00)

 

PR. No.CO2020-09-0239 - CO-ETSO Office Equipment (abc=80,000.00)

 

PR. No.CO2020-09-0240 - CO-VPRET Office Equipment Supplies CHED DARE TO Project (abc=83,850.00)

 

PR. No.MC2020-07-0224 - MC-CBA Office Supplies (abc=256,421.00)

 

PR. No.MC2020-07-0226 - MC-CICT Laboratory, Instructional and Office Supplies 3rd Qtr of 2020 (abc=64,887.00)

 

PR. No.MC2020-08-0265 - MC-PPES Repair and Maintenance 2nd and 3rd Qtr of 2020 (abc=55,050.00)

 

PR. No.MC2020-08-0266 - MC-PPES Cleaning Materials 2nd and 3rd Qtr of 2020 (abc=87,125.00)

 

PR. No.BC2020-08-139 - BC - Acrylic Barrier (abc=109,662.00)

 

PR. No.MC2020-09-268 - MC-DENTAL CLINIC USE-EQUIPMENT (abc=535,000.00)

 

PR. No.CO2020-09-245 - CO-ETSO Training on Agri Skilled - HBB (abc=66,068.00)

 

PR no. AC2020-09-502 - Computer Application Equipment (SERVER) for the 2-Storey Academic Building 2 at BPSU Abucay Campus; Approved Budget: Php547,000.00

 

PR no. AC2020-5-367 – Supply, Delivery and Installation of Hybrid Soil and Plant Laboratory Equipment for the Rehabilitation of BSABTVTE Building at BPSU Abucay Campus

 

PR no. AC2020-07-395 – Supply, Delivery and Installation of Computer Equipment and Software for the Completion of 2-Storey Academic Building 2 at BPSU Abucay Campus

 

PR no. CO2020-06-0153 – Supply, delivery and installation of equipment, instruments and software for the research project entitled “Improving Productivity of Philippine Carabao Mango through Introduction of Smart Farming Technologies in Plant Water Relation Manipulation"

 

PR no. AC2020-5-358 – Supply, Delivery and Installation of Laboratory Equipment and Facilities for the Rehabilitation of Old Engineering Building at BPSU Abucay Campus

 

PR no. AC2020-5-359 – Supply, Delivery and Installation of Furniture and Fixtures for the Completion of 2-Storey Academic Building 2 at BPSU Abucay Campus

 

PR no. AC2020-5-360 – Supply, Delivery and Installation of Equipment and Laboratory Instruments for the Completion of 2-Storey Academic Building 2 at BPSU Abucay Campus

 

PR no. MC2020-08-0262 – Supply, Delivery and Installation of CNC Milling and Lathe Machine Learning System for the College of Industrial Technology at BPSU Main Campus

 

PR no. MC2020-08-0264 – Supply, Delivery and Installation of ICT Equipment for the College of Industrial Technology (CTECH) at BPSU Main Campus

 

PR no. CO2020-01-0041–Supply and Delivery of Automated External Defibrillators (AEDs)

 

PR No. OC2019-10-232 – Upgrading of Electrical System at BPSU Orani Campus (Design and Build)

 

PR No. OC2019-10-230 – Rehabilitation of Hostel at BPSU Orani Campus

 

PR No. OC2019-10-231 – Construction of Two-Storey Dormitory for Students (inclusive of furniture and fixtures) at BPSU Orani Campus

 

PR No. DC2019-10-090 – Rehabilitation of Academic Building 1 (inclusive of laboratory equipment, furniture and fixtures) at BPSU Dinalupihan Campus

 

PR No. MC2019-10-0468 – Rehabilitation of University Hostel (inclusive of furniture and fixtures) at BPSU Main Campus (Design and Build)

 

PR No. DC2019-10-091 – Repair of ICT Building with Equipment and Fixtures at BPSU Dinalupihan Campus

 

PR No. MC2019-10-0467 – Rehabilitation and Construction of Graduate Studies Building to Arts and Sciences Building II (inclusive of equipment, furniture and fixtures) at BPSU Main Campus (Design and Build)

 

PR No. DC 2019-10-089 – Completion of Multipurpose Gym (P.E. Building and Covered Court) inclusive of furniture and fixtures at BPSU Dinalupihan Campus

 

PR No. MC2019-10-0465 – Completion of 3rd Floor of Library at BPSU Main Campus (Design and Build)

 

PR No. AC2019-10-273 – Upgrading of Electrical System at BPSU Abucay Campus (Design and Build)

 

PR No. AC2019-10-271 – Rehabilitation of Old Engineering Building (inclusive of furniture and fixtures) at BPSU Abucay Campus (Design and Build)

 

PR No. AC2019-10-272 – Rehabilitation of BSA/BTVTE Building (inclusive of furniture and fixtures) at BPSU Abucay Campus (Design and Build)

 

PR No. MC2019-10-0466 – Rehabilitation of Water System at BPSU Main Campus (Design and Build)

 

PR No. MC2019-10-0466 – Rehabilitation of Water System at BPSU Main Campus (Design and Build)

 

PR No. MC2019-10-0464 – Completion of OSA Building Phase 2 at BPSU Main Campus (Design and Build)

 

PR No. AC2019-10-270 – Completion of Loop (Concreting of 2Km Road Network) with Street Lighting at BPSU Abucay Campus (Design and Build)

 

PR No. CO 2019-07-0193 – BPSU Abucay Campus – Construction of Building of Organic Agriculture, Research and Development Facility

 

Bid Bulletin

 

PR No. CO 2019-07-0127 – BPSU Orani Campus – Construction Center for Research on Aquaculture and Aquatic Resources in Brackish water Systems