IR. ALPHONSUS DORHAT BIN RAHANI
PROFILE
Ir. Alphonsus Dorhat Rahani with more than 41 years experience who holds a BSc. Degree (Honours) in Mechanical Engineering, Portsmouth Polytechnic, United Kingdom (currently known as Portsmouth University) and Masters Degree in Mechanical Engineering from Cranfield Institute of Technology, United Kingdom (currently known as Cranfield University); has served the Public Works Department in Sarawak as Mechanical Engineer for 9 years before joining Bintulu Port Sdn Bhd in 1991. Ir. Dorhat was a manager at the Mechanical Handling Equipment Department before he joined as a Director of Mechanical Department at Ranhill Bersekutu (Sarawak) Sdn Bhd (which was later renamed as Sarahill Consulting Sdn. Bhd.). Ir. Dorhat has been involved in mechanical services in numerous projects of various sizes, particularly in port development.
CONTACT
- 082-258 111
- adorhat@sarahill.com.my
SOCIAL MEDIA
- Ir. Alphonsus Dorhat Rahani
WORK EXPERIENCE
Managing Director
May 2023 - Present
SARAHILL CONSULTING SDN. BHD.
Responsible for the Administration, Corporate Planning and Business Development of the company in providing engineering consultancy services.
- Daif Sarawak (2022): Pembinaan Bangunan Gantian di SK Datuk Bandar, Debak, Sarawak.
- ALAF Projects for AREAS in Serian, Sri Aman & Betong District, Sarawak.
- Anjung Usahawan Simunjan, Sarawak.
- Fibre Optic Projects in Sarawak for SACOFA & TMB
- Commercial Development in Spaoh Package 1 & 2.
- Pembinaan 133 Unit RKAT Pelbagai Kelas di SOC3, TUDM Kota Samarahan, Sarawak.
- Dilapidation Survey for Company-Ownded Staff Quarters Sarawak Energy.
- Pembinaan Pangkalan Gerakan Udara PDRM Sarawak (Reka dan Bina).
- EPCC Oil Storage Terminal (SODT II) for the Handling Petroleum Products at Jalan Bako, Kuching.
- Lift at Limbang Tamu Market at Pekan Limbang, Sarawak.
- Affordable Rumah Spektra Permata (RSP) Sibuluh, Bau.
- Menyiapkan Baki Kerja Terbengkalai bagi Cadangan Pembinaan Hospital Petra Jaya (300 Katil) Petra Jaya, Kuching.
- Dilapdiation for Key Non-Core Business Building (NCB), State Wide, Sarawak Energy.
- Lubok Antu Palm Oil Mill 1&2 Methane Trapping Plant.
- Proposed Restoration of Rumah Sri Aman on Lot Part of 726 & Part of 1786, Block 2, Simanggang Town District, Sri Aman.
- Phase 3 RES Last Miles for Areas in Pakan, Sarikei.
Executive Director (Operation)
July 1996 - May 2023
SARAHILL CONSULTING SDN. BHD.
Responsible for Policy Decisions, Management, Corporate Planning, Business Development, planning design, supervision and attending meetings of engineering projects of the firm. Maintain good design standard and proper management of projects in respect of specifications and cost.
- Police Headquarters & Staff Quarter for Mukah, Bintulu & Serian, Sarawak (RM3 Million)
- BDC Housing Scheme at Matang, Kuching (RM120 Million)
- Maktab Rendah Sains MARA (MRSM), Kota Kinabalu, Sabah (RM31.5 Million)
- Institut Kemahiran Belia Negara Sarawak, Miri (RM97 million)
- PUSAKA Furniture Complex, Tanjung Manis (RM12.98 million)
- State Veterinary Office cum Laboratory (RM7 million)
- SK Mata Parang, Kota Samarahan (RM25.2 million)
- SMK Bekenu, Miri (RM26 million)
- SK Senadin, Miri (RM19 million)
- Projek Perumahan Rakyat Kos Rendah, Kota Samarahan (RM2.15 million)
- Projek Pembinaan Kem Batalion Infantri, Bintulu (RM90 million)
- Pejabat Jabatan Agama Islam dan Mahkamah Syariah, Sarikei (RM3.6 million)
- SMK Sedaya, Kanowit (RM30 million)
- Projek Kompleks Lembaga Koko Malaysia, Kota Samarahan (RM6 million)
- Proposed Container Freight Station at Bintulu Port on Lot 15 & 37 Block 20, Kemena Land District, Bintulu, Sarawak (RM15 million)
- Cadangan Projek Pembinaan, Pembaiktarafan dan Pembaikpulihan Sekolah-sekolah dan Asrama di Negeri Sarawak (RM51 million)
- Pusat Latihan Islam di Lawas, Sarawak (RM7 million)
- Mukah Roman Catholic Church on Lot 1168, Block 52 at Oya Road and Sungai Kuala Lama, Mukah, Sarawak (RM9.3 million)
- Regularization of the Proposed Technical and Educational Institution Complete with Hostel and Facilities (CIDB) on Lot 299, Block 14, Salak Land District, Kuching, Sarawak
- Pembinaan Klinik Kesihatan Jenis 3XP, Bintulu, Sarawak (RM28 million)
- Cadangan Kerja-kerja Pembaikan Bangunan Akademik dan Pentadbiran di Universiti Putra Malaysia, Kampus Bintulu (RM 13 million)
- Mengubahsuai Bangunan Khas Kolej Komuniti Miri, Sarawak (RM4.5 million)
- Unimas Pavilion at Unimas Campus, Kota Samarahan, Sarawak (RM3 million)
- Mix Housing Development at Sungai Midin, Kuching, Sarawak (RM5.6 million)
- Shophouses at Jalan Pulau Salam, Medan Niaga Lawas, Lawas, Sarawak (RM1.5 million)
- Proposed 215 Units Affordable Housing Project on Lot 1234, Block 20, Kemena Land District (RM12.5 million)
- Cadangan Pembinaan Projek Pendidikan bagi SMK Senibong (12BD) Sarawak untuk Kementerian Pelajaran Malaysia (RM39.9 million)
- Cadangan Kerja-kerja Membangunkan dan Membina Kolam di Tanah Kosong Milik LKIM di Telaga Air, Sarawak (RM4.7 million)
- Perlaksanaan Projek Pembaikan Struktur Bangunan Serta Kerja-kerja lain berkaitan bagi Sekolah-Sekolah Kerajaan di bawah Pakej Rangsangan Khas (PRK) untuk Kementerian Pelajaran Malaysia (RM12.6 million)
- Pembinaan Bangunan Tambahan untuk Pejabat Pegawai Akademik Universiti Malaysia Sarawak (Unimas), Kota Samarahan (RM20 million)
- Pan Borneo Highway (Sibu Airport to Bintulu Junction)
- 18 Units of Double Storey Terrace Houses on Sub-Plots 11-28, (Parent Lot 4388 & 4812), Block 18, Jalan Stadium, Salak Land District, Kuching
- Site survey of dilapidated UPM Bintulu Campus.
- Pembinaan Bangunan Tambahan untuk Pejabat Pegawai Akademik, UNIMAS, Kota Samarahan
- Proposed Renovation to Existing Majlis Perbandaran Padawan Building at Kota
Padawan, Batu 10, Jalan Penrissen, 93712 Kuching - Proposed Pedestrian Overhead Bridge at the Intersection of Jalan Buangsiol, Jalan Bangkita & Jalan Wong Tsap En Limbang
- Proposed Office Warehouse and Processing Centre on Lot 11292, Block 59, Muara Tuang Land District, Kota Samarahan
- Cadangan Menaiktaraf Tebingan Sungai Limbang, Limbang
- Proposed Residential on Lot 65 & 66, Block 13, Sablor Land District at Beladin RGC for Kampung Nelayan Beladin
- Projek Kompleks Jabatan Penyiaran Malaysia, RTM Bintulu
- Performance Monitoring of Electric Actuators to SEB’s Power Plants in Sarawak
Manager, Mechanical Handling Equipment Department
Feb 1996 - June 1996
BINTULU PORT SDN BHD
Responsible for the overall management of Mechanical Handling Equipment which includes planning, procurement, project management and implementation and subsequent maintenance management of the equipment.
- Design, Construction, Delivery, Installation, Testing and Commissioning of Two (2) Units Post-panamax container Quary Side Gantry Cranes (RM40,000,000.00)
- Design, Construction, Delivery, Installation, Testing and Commissioning of Four (4) Units Rubber Tyred Gantry Cranes (RM 30,000,000.00)
- Supply, Delivery, Testing and Commissioning of Eight (8) Unites Platform Trailers (RM 640,000.00)
Assistant Technical Services Manager (Mechanical)
Jan 1993 - Jan 1996
BINTULU PORT SDN BHD
Section Head responsible to Technical Services Manager on all Mechanical and Marine Engineering matters with respect to procurement, project management and maintenance management (which also includes management of annual docking and refurbishment of marine vessels).
- Rectification Works on BINTULU Port Sea Water and Portable Water Systems (RM 1,000,000.00)
- Supply, Delivery, Testing and commissioning of One (1) Unit 25 tonne Forklift Truck (RM 800,000.00)
- Supply, Delivery, Testing and Commissioning of Eight (8) Units Terminal Tractors (RM 2,216,000.00)
- Supply, Delivery, Testing and Commissioning of 4 & 8 tonne Forklift Trucks (RM 4,240,200.00)
- Annual Docking and Refurbishment of 1500 H.P and 3500 H.P Tug Boats (RM 4,000,000.00)
- Supply, Delivery, Testing and Commissioning of 125 tonne and 250 tonne Mooring Hooks for LNG Berth No. 1 (RM 655,000.00)
Assistant Technical Services Manager
Mar 1991 - Dec 1992
BINTULU PORT SDN BHD
Responsible to the engineering Services Manager on all Mechanical matter which included:
- Preparation of Tender Documents for the purchase of new equipment and installation of new facilities
- Tender evaluation
- Project management and supervision
- Testing and Commissioning of new equipment and facilities
- Maintenance and cargo handling equipment, fire-fighting equipment and
installations, rescue equipment, transport vehicles and utilities through direct labour and contract.
Mechanical Engineer
Mar 1989 - Feb 1991
PUBLIC WORKS DEPARTMENT, KUCHING DIVISION
Responsible to the Divisional Engineer for the overall operation of the Mechanical Workshops in Kuching Division comprising:
- Divisional Workshop
- Mechanical Road Construction Unit No. 3 Project Workshop
- Mechanical Road Construction Unit No. 4 Project Workshop
- Bau and Lundu Depot Workshops
- Mile 21 Depot Workshops
The main duties comprises the following:
- Planning and Execution of preventive maintenance, repairs and overhaul of Public Works Department equipment.
- Planning, coordination of annual docking and inspection of all Public Works Department ferries throughout Sarawak and also directly in-charge of operation and maintenance of Bako and Lundu ferry crossings.
- Maintaining and improving of Job Costing and Workshop Account.
- Setting-up and implementation of computerised plant records in Kuching Division.
- All works were undertaken by direct labour except for annual docking of ferries which was carried out by Brooke Dockyard & Engineering Works.
Executive Engineer
Sep 1988 - Feb 1989
PUBLIC WORKS DEPARTMENT, HEADQUARTERS MECHANICAL BRANCH
Responsible to the Assistant Director (Mechanical Branch) for coordination with Divisional Mechanical Engineers on management of annual docking of all Public Works Department ferries, vetting Mechanical inspection Reports and coordination of plants, vehicles and equipment under Board of Survey.
Oct 1986 - Aug 1988
Undergoing post-graduate studies leading to the award of Master of Science in Mechanical Engineering.
Undertake course works, research projects, examinations and thesis
Mechanical Engineer
Aug 1982 - Sept 1986
PUBLIC WORKS DEPARTMENT, KUCHING DIVISION
Responsible to the Divisional Engineer on overall operation of Mechanical Section including the following duties:
- Planning and execution of preventive maintenance, repairs and overhaul of road construction and road maintenance equipment, water supply generating sets and water pumps and other government departments vehicles.
- Personnel management and control of about 80 staff.
- Inspection, testing, estimating and reporting on damage and road worthiness of mechanical plants and equipment.
- Setting up new Sarikei divisional and Bintangor District workshops.
Oct 1980 - Jul 1982
Undertake degree course leading to the award of Bachelor of Science (Hons.) In Mechanical Engineering
Engineering Assistant/ Acting Works Superintendan
Apr 1979 - Sept 1980
PUBLIC WORKS DEPARTMENT (MRCU No. 3, Semariang)
Duties
Coordination and supervision works on maintenance and repairs of road construction & equipment at PetraJaya & Santubong area.
Education
Master of Science in Mechanical Engineering
1988
Cranfield Institute of Technology, United Kingdom
Bachelor of Science (Hons.) In Mechanical Engineering
1982
Portsmouth Polytechnic, United Kingdom
Diploma in Mechanical Engineering
1978
Universiti Teknologi Malaysia, Kuala Lumpur
Membership
- Registered Professional Engineer with Practicing Certificate Malaysia (PEPC)
- Registered Chartered Engineer, United Kingdom (C. Eng)
- Fellow of The Institution of Engineers, Malaysia (F.I.E.M)
- Fellow of The Institution of Mechanical Engineers, United Kingdom (F.I.Mech.E)
- Member of Association of Consulting Engineers Malaysia (ACEM) & Past Chairman (Sarawak Branch), (ACEM) (2013/2015)
Awards
2017
Pegawai Bintang Sarawak (PBS)
2009
Ahli Bintang Sarawak (ABS)
1987
Cranfield School of Mechanical Engineering Award
TECHNICAL PAPER
- An investigation on a Torque-Bias-Limited Slip Differential and Assessment of its influence on Vehicle Handling by Dorhat Rahani & A.J Robertson Published at 12th Experimental Safety Vehicle Conference in Gothenburg,
Sweden (29 May 1989 – 1 June 1989) - Analysis and Measurement of Torque Bias and Speed Difference of a Limited Slip Differential, MSc Thesis 1988.
