Our Services

Structural Engineering

Structural engineers design, assess and inspect structures to ensure that they are efficient and stable. Structural engineering was traditionally considered a sub-discipline of civil engineering, however as it has developed as an important and complex specialism it may now be considered an engineering discipline in its own right. It is both a technical and creative role that involves close collaboration with professionals from other disciplines.

Structural engineering is concerned with the structural design and structural analysis of buildings, bridges, towers, flyovers (overpasses), tunnels other structures. This involves identifying the loads which act upon a structure and the forces and stresses which arise within that structure due to those loads, and then designing the structure to successfully support and resist those loads. The loads can be self-weight of the structures, other dead load, live loads, moving (wheel) load, wind load, earthquake load, load from temperature change etc. The structural engineer must design structures to be safe for their users and to successfully fulfill the function they are designed for (to be serviceable). Due to the nature of some loading conditions, sub-disciplines within structural engineering have emerged, including wind engineering and earthquake engineering.

Design considerations will include strength, stiffness, and stability of the structure when subjected to loads which may be static, such as furniture or self-weight, or dynamic, such as wind, seismic, crowd or vehicle loads, or transitory, such as temporary construction loads or impact. Other considerations include cost, constructability, safety, aesthetics and sustainability.

The scope of services provided by a structural engineer includes:

  • Site appraisals – strength of subsoil / ground, Geotechnical and geological investigations – loading and foundation
  • Contributing to the preparation of briefing documents, feasibility studies and options appraisals.
  • Contributing to tender documentation and assessment of tenders.
  • Assessment and integration of work by specialists.
  • Retaining walls, Foundation design, Structural design and detailing.
  • Special loads, Demolition, Building regulations
  • Risk assessment, Value management, Site inspection.
  • Witnessing tests, Developing remediation solutions.

Structural failure can be devastating. It is therefore important to select an individual or company that has a good track record and experience in structurally similar projects.

It is good practice to employ a structural engineer based on the quality of their design rather than the lowest fee. A good design that explores a wide variety of options to find the best solution can save significant cost over the design life of a building.

Our expertise covered the following:

  • Incorporated all the design developments from all disciplines and challenges as they emerged,
  • Gone through all the relevant approvals with the Client,
  • Worked through and implemented all the Client’s and other Team Members, requirements from their latest documentation,
  • Worked through all the Client’s reviews,
  • Completed all the designs for the structural engineering elements.
  • Bulk Earthworks for track infrastructure and buildings
  • All earth retaining structures,
  • All Civil Services (Stormwater, Sewage, Water reticulation.)
  • Entrance upgrade including approvals from councils

Structural Engineering Elements designed, such as:

  • Foundations – Pile loads, Ground Beams, Pile Caps, Stub Columns
  • Retaining walls, Surface beds.
  • Structural Steel Roof Structures – Columns, Trusses, Rafters, Bracing, Struts
  • Roof Drainage – Gutters and Downpipes
  • Other small buildings & structures (Sprinkler Pump Rooms, Sprinkler tanks, plinths for Air conditioning and Mini-subs etc.)

We have the relevant expertise, qualifications, proven track record and ability to work on this fast tracked project that understands the building environment, in particular, the conditions the contractor will be exposed to.

The designer shall exercise all reasonable skill, care and diligence in the execution of his work. 

Concrete Structures shall be designed for the following:

  • Limit State Design and Safety Factors, Using standard Portland Cement (OPC)
  • Loads & Load Combinations, Dead Load & Self Weight
  • Live Load, Wind Load, Ultimate (ULS) & Serviceability Limit States (SLS)
  • Deflection Limits, Durability Limits, Strength Requirements in MPa
  • Reinforcement High Yield bars (450 MPa), mild steel bars (250MPa)
  • Shear Strength, Lateral Stability Check, Stability against Overturning
  • Stability against Sway, Foundations & Bearing Capacity on soils
  • Concrete Mix Designs, Pre-stressed Concrete, Post Tensioned Concrete
  • Curing of Concrete, Fibre Reinforced Concrete, Concrete Repair and remedial work

Concrete elements designed for:

  • Piles, pilecaps, foundations, stripfootings, columns, retaining walls, floor slabs, beams, stairs etc.

Steel Elements designed for the following:

  • Limit State Design and Safety Factors, Using standard steel profiles of Grade 300W strength, a welded steel of 300MPa strength
  • Loads & Load Combinations, Dead Load & Self Weight
  • Live Load, Wind Load, Ultimate (ULS) & Serviceability Limit States (SLS)
  • Deflection Limits, Durability Limits, Strength Requirements
  • Shear Strength, Tension Members with moments, Local Capacity Check, Lateral Torsional Buckling Check
  • Compression Members with Moments, Plate Girders, Steelwork Connections, Bolts and plates, Local capacity check, Overall Buckling Check, Lateral Stability Check
  • Stability against Overturning, Stability against Sway, Classification into sway or non-sway frame, Determination of the effective length factor

Structural Steel Components – Designed for:

  • Columns, Trusses, Steel Walkways, Steel Roof Access Catwalks, Steel Staircases, Steel Ramps, Castellated Beams,
  • Bracing, Struts, Gutters, Downpipes, Glass sub-frames,
  • All connections(To Steel and Concrete)
  • Facade Sub-frame for windows, All temporary works

The following software will be used to analyse the load effects on structures

  • Excel (calculations & load determination), Prokon (analysis of bridge models)

Design criteria such as as-built data, steel & concrete properties, design specifications, loadings, wind forces, flooding forces, traffic loading, earthquake action, dead loads, live loads and dynamic effects will be taken into account.

All building components, finishes, construction and assemblies are required to conform to applicable national design codes.

Civil Engineering

Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like roads, bridges, canals, dams, and buildings. It is traditionally broken into several sub-disciplines including architectural engineering, environmental engineering, geotechnical engineering, control engineering, materials engineering, wastewater engineering, construction surveying, and construction engineering. Civil engineering takes place in the public sector from municipal through to national governments, and in the private sector from individual homeowners through to international companies.

Bulk Earthworks & Contaminated Soils

From the Geotechnical Report & Testpits, it will be determined what layerworks will be needed for the roadworks, what material can be re-used and what material must be disposed off-site, depending on soil contamination, or suitability for re-use, importing material and compacting (as-required) for construction of the new earthworks. It is also critical to see to what depth can be excavated to when a basement is required. Maybe rock can be encountered at a shallow depth, making the option of a basement very expensive, or a water table could be found on a shallow depth, that has a totally different approach to the design.

All detailed drawings & designs, pertaining to Bulk Earthworks, will be prepared in accordance with the local standards and specifications.

All detailed drawings & designs, pertaining to civilworks (roads, water, sewer & stormwater), will be prepared in accordance with the local standards and specifications

Stormwater drainage, attenuation ponds & management of yard

The stormwater system will be redesigned to accommodate the new building. In addition, due to changes in regulations governing storm water run-off, storm water attenuation is required and this will be accommodated by a combination of a new a storm water attenuation pond to be constructed and making use of in-pipe storage.

  • Attenuation ponds to be designed and all stormwater systems to be connected to existing municipal stormwater
  • Flooding & Hydrological data, Pavement design, Stormwater drainage structures
  • Design Methodology – Minor Storm, Major Storm
  • Peak Runoff Calculations – Rational Method – Q=CIA/3.6
  • Use of Road surface – smoothness or roughness, Minimum time of concentration – peak runoff, Average rainfall intensity and runoff coefficients
  • Return period & hydraulic calculations, Attenuation pond design – pre & post development

Water supply & Fire Hydrants

The water reticulation system will be replaced in its entirety and will consist of a 160mm ring main with 110mm feeders to fire hydrants, with taps placed at strategic locations.

  • Water ring main & Fire Hydrants will be designed according to local standards & specifications

Sewage reticulation

The existing sewage system will remain largely intact with some modifications and new connections, as required.

  • Sewer reticulation will be designed according to local standards & specifications

Bulk Service Connections

The Client will be responsible for any application to the Local Authority or other Utilities to upgrade any exisiting bulk service connections, such as water, stormwater and sewage.

 

Roads & Stormwater & Culverts

Roads and parkings have been redesigned to accommodate the site layout changes.  The main entrance will be upgraded with a new building entrance.

  • Roads & layerworks will be designed according to local standards & specifications

Our Portfolio

View our portfolio of completed projects.

Contact us

For a comprehensive Civil and Structural Engineering consult please do not hesitate to contact us.

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