Our Team

DOUG CLOUGH, P.Eng, P.E., Struct Eng., MIStructE.

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Registered Professional Engineer, EGBC, B.C. (P.Eng., Struct.Eng.)
Registered Professional Engineer, Washington State (P.E. Civil)
Registered Professional Engineer, Alaska State (P.E. Civil)
Registered Professional Engineer, APEGA, Alberta (P.Eng.)
Institution of Structural Engineers, (MIStructE)
Registered Professional Engineer, APEGNS, N.S.(P.Eng.)

Doug Clough is the principal Engineer and President of Omega & Associates Engineering Ltd. with over thirty years’ experience in civil and structural design engineering, project coordination and construction supervision.  Mr. Clough is registered as a Designated Structural Engineer (Struct Eng.) with APEGBC, and is registered in Alberta, Nova Scotia, Alaska, and Washington State.  Mr. Clough’s experience includes building design utilizing concrete, steel, timber, and heavy timber.  He has worked on projects ranging from custom homes, commercial  buildings, agricultural facilities, industrial buildings and structures. He has also been involved with the seismic upgrade of schools and hospital facilities in the Province of BC and renovations and upgrades to other buildings.



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Registered Professional Engineer, EGBC, B.C. (P.Eng)
Registered Professional Engineer, APEGA, Alberta (P.Eng.)
Registered Professional Engineer, APEGS, Saskatchewan (P.Eng)
Certified Contract Administrator, MMCD

David Drummond is a Senior Civil Engineer with over thirty-five years’ experience on municipal projects. He is currently the Senior Principal Civil Engineer for Omega and Associates Engineering, with his duties being shared between the Surrey and Chilliwack offices. His diverse background includes project management, modelling, design and construction supervision for Municipal capital works improvement projects, for water, roads, and sewer works, treatment plants and pumping stations. He is also involved with land development planning, design and construction for multi-million dollar subdivisions, industrial, commercial and institutional projects.

Mr. Drummond has been involved in the environmental assessment, design, tendering and construction of water and sewage treatment plants, associated infrastructure and marine works in the District Municipality of Muskoka (Ontario), as well as land development approvals for the municipality. He has been responsible for liaison with Federal, Provincial and Municipal Government departments in the reporting for such projects. Mr. Drummond has performed feasibility studies, design work, contract administration, inflow and infiltration studies, and underground utility rehabilitation assessments contract . He has worked for contractors, municipalities & consultants, and has a comprehensive understanding of the engineering industry.



Designated Structural Engineer, underway, EGBC, B.C. (Struct.Eng.)
Registered Professional Engineer, EGBC B.C. 
Registered Professional Engineer, APEGA, A.B.
Registered Professional Engineer, PEO, Ont

Pejman Mirzanejad has over 23 years’ of experience as a Structural Engineer analyzing and designing steel, concrete, timber and masonry structures. Mr. Mizanejad’s recent experience includes Non-Process buildings at Fort Hills of Suncor oil sands from conceptual design (DBM) to the final design stage (EDS) with all the detail designs of the building structural members and components.





  • Registered Professional Engineer, EGBC (British Columbia)
  • Registered Professional Engineer, APEGA (Alberta)
    Registered Professional Engineer, PEO (Ontario)
    Registered Professional Engineer, NAPEG (Northwest Territories)
    Registered member of Ontario Society of Professional Engineering (OSPE)
    Candidate for PMP Designation
    Candidate for LEED AP Designation
    Candidate for PRINCE2 Designation

Mahyar Niroumand is a professional engineer with over 7 years’ experience in engineering design, project management and site assessments.  Mr. Niroumand has been involved in multiple projects of municipal infrastructure, transportation including airports, bridges, ditch design, drainage design, land development, residential/commercial buildings & roads.



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Registered Professional Engineer, EGBC, B.C. (P.Eng.)

David Seida is a Structural Engineer with ten years of design experience. Mr. Seida has design experience with all the main construction materials; steel, concrete, timber, and masonry construction. David has worked on projects including residential houses, multifamily condo projects, commercial buildings, industrial structures including cranes and electrical substation terminal structures.







Registered Professional Engineer, EGBC, B.C. (P.Eng)

Siama Toure is a Civil engineer with experience working on land development projects, preparing proposals, cost estimates and design briefs, and designing storm water management systems, sanitary sewer collection systems, and water distribution systems for residential, commercial and industrial subdivisions.

Ms. Toure has liaised effectively with various agencies and clients to successfully deliver projects.





Registered Engineer-In-Training Professional Engineer, EGBC

Sajjad Rostami is a junior civil engineer with experience in the detail design of sanitary, storm and water systems.  Mr. Rostami has been actrively involved in storm water management, site grading and sanitary pump stations designs.  Mr. Rostami has experience in land development projects including residential and industrial subdivisions.







Registered Engineer-In-Training Professional Engineer, EGBC, B.C.

Ali Ahmadi is a junior civil engineer with experience in the detail design of sanitary, storm and water systems for residential and commercial developments.  Mr. Ahmadi has an understanding in design of storm water management, sanitary pump station, site grading, erosion and sediment control plans, culver design and water flow calculations.