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OGB Construction

Services

From the idea to the keys.

Fourteen services in two families. Take one on its own, or hand us the whole project. One team is accountable either way.

Cost & commercial

Project & technical

Cost & commercial

Quantity surveying and commercial management.

Measured quantities, tested tenders, controlled change and claims settled on the evidence.

Cost Management & Quantity Surveying

Cost Management & Quantity Surveying

01

Budgets that hold, from first estimate to final account.

Order-of-cost estimates and elemental cost plans at concept, cash-flow forecasting through construction, and monthly cost reporting that states the cost to complete and the forecast final account. Change is priced and agreed as it arises, not argued about at the end.

What you get

  • Order-of-cost estimates and elemental cost plans
  • Cash-flow forecasting and drawdown schedules
  • Interim valuations and payment certification
  • Monthly cost reports and cost-to-complete
  • Final account agreement and close-out
More about cost management & quantity surveying →
BOQ & Tender Documentation

BOQ & Tender Documentation

02

Tender packs that price like for like.

Quantities measured to a recognised standard method of measurement, issued with specifications, preliminaries, pricing schedules and the conditions of contract as one coherent package. A tight document is what stops qualified bids and day-one variations.

What you get

  • Measured bills of quantities (NRM / SMM)
  • Technical specifications and preliminaries
  • Pricing schedules and schedules of rates
  • Conditions of contract and appendices
  • Tender drawing register and issue control
More about boq & tender documentation →
Tender Management

Tender Management

03

The whole tender process, run end to end.

Contractor pre-qualification, enquiry issue, mid-tender clarifications and addenda control, site visits, and a documented receipt and opening process. Every bid arrives complete, on time, and priced against the same information.

What you get

  • Pre-qualification and tenderer shortlisting
  • Tender enquiry preparation and issue
  • Clarification log and addenda control
  • Mid-tender interviews and site visits
  • Bid receipt, opening record and tender programme
More about tender management →
Bid Evaluation & Award Recommendation

Bid Evaluation & Award Recommendation

04

The right bidder, chosen on the evidence.

Technical and commercial evaluation side by side: arithmetic and rate checks, normalisation of qualifications and exclusions, resource and programme scrutiny, post-tender negotiation, and a written recommendation you can defend to a board or an auditor.

What you get

  • Technical and commercial bid analysis
  • Arithmetic, rate and front-loading checks
  • Qualification and exclusion normalisation
  • Post-tender clarification and negotiation
  • Award recommendation report
More about bid evaluation & award recommendation →
Subcontract Management

Subcontract Management

05

Every package owned, from strategy to final account.

Package breakdown and procurement strategy, subcontract tendering and award, then the commercial administration that follows — payment certification, variation control, back-charges and package close-out. No package left to drift between the main contractor and the programme.

What you get

  • Package strategy and work-scope breakdown
  • Subcontract tendering, evaluation and award
  • Payment certification and cash-flow control
  • Variation and back-charge administration
  • Package final accounts and close-out
More about subcontract management →
Variations & Claims Valuation

Variations & Claims Valuation

06

Claims valued fairly, then closed.

Measurement and valuation of variations, additional works, and loss-and-expense entitlement assessed against the contract terms and the contemporaneous records. We prepare claims and we defend against them, with the substantiation that makes a number stand up.

What you get

  • Variation measurement and valuation
  • Additional and dayworks assessment
  • Loss and expense evaluation
  • Claim preparation, response and negotiation
  • Final account settlement
More about variations & claims valuation →
EOT & Delay Analysis

EOT & Delay Analysis

07

Extension of time, analysed properly.

Forensic programme analysis using the method the contract calls for — as-planned versus as-built, time impact analysis or windows analysis — setting out the delay events, the critical path effect, the entitlement and the prolongation cost in one defensible report.

What you get

  • Delay event register and record review
  • As-planned versus as-built comparison
  • Time impact or windows analysis
  • Entitlement and concurrency assessment
  • Prolongation cost and EOT submission or response
More about eot & delay analysis →
Independent BOQ & Cost Audit

Independent BOQ & Cost Audit

08

A second opinion before you sign.

Independent re-measurement of quantities, benchmarking of rates against current Omani market data, and verification of the priced total. Errors, omissions and inflated allowances are listed with the value attached, so you know what you are signing.

What you get

  • Independent quantity re-measurement
  • Rate benchmarking against market data
  • Priced-document and arithmetic verification
  • Schedule of errors, omissions and risks
  • Audit report with quantified recommendations
More about independent boq & cost audit →

Project & technical

Delivery, design and engineering.

The team that plans the work, coordinates the design and stands on site while it is built.

Project & Programme Management

Project & Programme Management

09

We run the project on your behalf, start to finish.

One point of contact for the whole build. We set the execution plan and governance, manage the consultants and contractors, chair the interfaces, hold the master programme to account and report to you monthly on scope, cost, time and risk.

What you get

  • Project execution plan and governance
  • Master programme and milestone tracking
  • Consultant and contractor coordination
  • Risk register and mitigation reporting
  • Monthly client reporting pack
More about project & programme management →
Design Management

Design Management

10

Drawings that are ready to build.

We run the design programme and coordinate architecture, structure and services so the package is complete, compliant and buildable before it reaches site — including authority and municipality submissions, and value engineering while change is still cheap.

What you get

  • Design programme and deliverables schedule
  • Concept, schematic and detailed design packages
  • Authority and municipality submissions
  • Design coordination and clash resolution
  • Value engineering workshops
More about design management →
Structural & MEP Engineering

Structural & MEP Engineering

11

Structures and services built for Oman's climate.

Structural, mechanical, electrical and public health design sized for real ambient temperatures, real ground conditions and the codes your authority will actually assess against — not a specification imported unchanged from a cooler market.

What you get

  • Structural analysis, design and detailing
  • HVAC, electrical, plumbing and firefighting design
  • Energy and thermal performance modelling
  • Utility authority coordination and approvals
  • Technical specifications and schedules
More about structural & mep engineering →
Feasibility & Site Studies

Feasibility & Site Studies

12

Know what the land can carry before you commit.

Site constraints, ground conditions, utility capacity, planning envelope and development appraisal assessed together, ending in a go or no-go recommendation with the numbers behind it.

What you get

  • Site appraisal and constraints analysis
  • Geotechnical and topographic survey coordination
  • Massing and yield studies against planning standards
  • Development appraisal and cash-flow modelling
  • Go / no-go recommendation report
More about feasibility & site studies →
Site Supervision & QA/QC

Site Supervision & QA/QC

13

Our engineers on site, checking the work every day.

A resident team inspecting to an agreed inspection and test plan, witnessing what needs witnessing and keeping the record that holds up when it is challenged. Quality is enforced at the pour, not at the snag list.

What you get

  • Resident engineer and inspector deployment
  • Inspection and test plans (ITP)
  • Material approvals and site instruction control
  • Non-conformance tracking and close-out
  • Snagging, handover and defects liability
More about site supervision & qa/qc →
BIM & Digital Construction

BIM & Digital Construction

14

One model that catches clashes before site does.

A federated model used as a delivery tool rather than a deliverable: clash detection, 4D sequencing and model-based quantity take-off feeding the programme and the cost plan directly, plus an asset model the operator can use on day one.

What you get

  • BIM execution plan and model standards
  • Federated model coordination and clash reports
  • 4D construction sequencing
  • Model-based quantity take-off
  • As-built model and asset data handover
More about bim & digital construction →

How it works

Five stages. One team.

  1. 01

    Brief

    We listen. Site, budget, timeline.

  2. 02

    Design

    Plans that are ready to build.

  3. 03

    Tender

    The right contractor, chosen fairly.

  4. 04

    Build

    Our engineers on site every day.

  5. 05

    Handover

    Keys in hand. Paperwork complete.

Scope it with us

Not sure what you need?

Describe the situation. We will tell you what the right scope is, even when it is smaller than you expected.

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