What Documents Do You Need Before Requesting a Construction Quote?

Requesting a construction quotation is one of the first major steps in turning a proposed building project into an executable development. However, understanding the documents needed for a construction quotation can make a significant difference in the accuracy of contractor pricing and the quality of the proposals you receive.

Whether you are planning a factory, warehouse, commercial building, or industrial development in Saudi Arabia, contractors need sufficient information to evaluate your construction scope, site conditions, engineering requirements, and expected project schedule.

Submitting only a building area or a brief project description may be enough to start a preliminary discussion, but it is usually insufficient for a detailed, reliable quotation.

Construction contractors may need architectural and structural drawings, a Bill of Quantities (BOQ), technical specifications, geotechnical reports, MEP drawings, and other project documentation.

The specific requirements depend on the project type and stage of development.

In this guide, we explain what documents to prepare before requesting a construction quote, which information is essential for early estimates, how to organize your RFQ package, and how Skilya Construction Company can support discussions concerning your construction project in Saudi Arabia.

Planning a construction project? Contact Skilya with your available drawings, BOQ, and project details to discuss the requirements for a quotation.

Why Do Construction Contractors Need Project Documents?

A construction quotation is based on an understanding of the work to be executed.

Contractors evaluate project documents to determine the quantities, materials, equipment, labor, construction methods, resources, and time required.

Complete documentation helps contractors:

• Understand the proposed building and its intended use.
• Define construction responsibilities.
• Estimate material and labor requirements.
• Identify structural and technical requirements.
• Assess site conditions and construction risks.
• Review the project schedule.
• Identify missing information.
• Prepare clearer technical and commercial proposals.

When important documents are missing, contractors may include provisional allowances, make assumptions, or exclude certain activities.

This can make quotations difficult to compare and increase the possibility of cost changes later.

For industrial and commercial construction, preparing an organized RFQ package helps reduce this uncertainty.

Preliminary Construction Estimate vs Detailed Construction Quotation

Before collecting project documents, it is important to identify the type of estimate you need.

Preliminary Budget Estimate

A preliminary estimate supports early financial planning when the project design is incomplete.

It may be based on:

• Project type and intended use.
• Location.
• Approximate land area.
• Estimated built-up area.
• Preliminary building dimensions.
• Intended structural system.
• Known technical requirements.
• Expected construction schedule.

Such estimates depend on assumptions and have a higher level of uncertainty.

They should not be treated as final contractor commitments.

Detailed Construction Quotation

A detailed quotation generally requires more developed project information.

This may include:

• Coordinated architectural drawings.
• Structural drawings.
• MEP drawings.
• Bill of Quantities.
• Technical specifications.
• Available site reports.
• Defined construction scope.
• Tender conditions.
• Construction milestones.

A detailed quotation provides a clearer basis for technical evaluation, contract negotiations, and construction budget planning.

Even a detailed quotation remains subject to its stated assumptions, exclusions, commercial conditions, and the final agreed contract.

12 Essential Documents Needed for a Construction Quotation

The following documents should be prepared whenever available and relevant to your project.

1. Project Brief and Overview

The project brief introduces the proposed development.

It should explain what you intend to build, where it will be located, and what you expect from the contractor.

Include:

• Project name.
• Owner or developer.
• Project location.
• Project type.
• Intended building use.
• Land area.
• Estimated built-up area.
• Project stage.
• Expected construction start date.
• Required completion date.

For industrial projects, also explain the manufacturing, storage, or operational purpose of the facility.

A clear project overview allows contractors to understand the development before reviewing detailed technical documents.

2. Architectural Drawings

Architectural drawings describe the building’s layout and physical configuration.

Depending on the project stage, they may include:

• Site plans.
• Floor plans.
• Building elevations.
• Building sections.
• Roof plans.
• Door and window schedules.
• Room layouts.
• Architectural details.

Architectural drawings help contractors evaluate building dimensions, space arrangements, finishing requirements, and coordination with other disciplines.

All drawings should have clear revision numbers and document status.

3. Structural Engineering Drawings

Structural drawings define the building’s structural systems and components.

They may include:

• Foundation layouts.
• Reinforced concrete details.
• Column and beam layouts.
• Slab specifications.
• Structural steel drawings.
• Connection requirements.
• Relevant sections and details.

For warehouses and factories, structural documents may also identify large spans, equipment foundations, and industrial loading conditions.

Contractors should receive sufficiently developed structural information to understand the scope being priced.

4. Bill of Quantities (BOQ)

A Bill of Quantities provides an itemized description of construction activities and estimated quantities.

It may cover:

• Earthworks.
• Concrete.
• Reinforcement.
• Structural steel.
• Roofing and cladding.
• Waterproofing.
• Finishing works.
• Electrical installations.
• HVAC.
• Plumbing.
• Fire protection.
• Infrastructure.

A BOQ helps contractors prepare itemized pricing and allows project owners to compare quotations more consistently.

However, the BOQ must be reviewed alongside the drawings and specifications.

If quantities or descriptions do not match the engineering documents, the discrepancy should be clarified before pricing is finalized.

For further guidance, read How to Read a BOQ Before Awarding a Construction Contract.

5. Technical Specifications

Technical specifications describe the materials, workmanship, quality requirements, and performance criteria expected for the project.

Depending on the construction scope, specifications may cover:

• Concrete grades.
• Reinforcement requirements.
• Structural steel materials.
• Roofing and insulation.
• Waterproofing systems.
• Electrical equipment.
• HVAC equipment.
• Plumbing materials.
• Fire protection equipment.
• Finishing materials.
• Testing and inspection requirements.

Specifications help contractors understand the required quality and prevent quotations based on different materials or technical assumptions.

6. Mechanical, Electrical, and Plumbing Drawings

MEP drawings define the technical building systems required for operation.

Mechanical Drawings

May include HVAC layouts, ventilation systems, ductwork, equipment schedules, and piping arrangements.

Electrical Drawings

May include lighting, power distribution, single-line diagrams, panel schedules, cable routing, and equipment connections.

Plumbing Drawings

May include water supply, sanitary drainage, pumping systems, and related piping networks.

Fire Protection Drawings

May include fire alarms, sprinklers, firefighting networks, and other systems specified by the approved design.

These documents are particularly important when requesting a complete general contracting quotation.

7. Geotechnical Investigation Report

A geotechnical report provides information about ground conditions relevant to foundation design and construction planning.

It may contain soil descriptions, investigation results, groundwater information, and engineering recommendations.

For projects involving substantial foundations, industrial machinery, or challenging ground conditions, this information is especially important.

Without adequate ground information, contractors may be unable to assess certain construction risks accurately.

The geotechnical report should be prepared and interpreted by appropriately qualified professionals.

8. Topographical Survey and Site Information

A site survey helps the contractor understand the physical conditions of the development area.

Relevant information may include:

• Site boundaries.
• Existing ground levels.
• Access points.
• Existing roads.
• Nearby structures.
• Known utilities.
• Site constraints.
• Relevant existing features.

For industrial developments, truck access and construction equipment movement may also affect site planning.

Reliable survey information helps reduce uncertainty during earthworks, infrastructure, and building construction.

9. Scope of Work (SOW)

The Scope of Work is one of the most important documents in a construction RFQ.

It defines the responsibilities that the contractor is expected to undertake.

For example, a factory construction scope may include:

• Site preparation.
• Civil construction.
• Structural steel.
• Industrial flooring.
• Roofing.
• MEP installations.
• Fire protection.
• External infrastructure.
• Testing and handover.

The document should also identify work assigned to other contractors or equipment suppliers.

Clear scope boundaries reduce the risk of missing construction activities and commercial disputes.

10. Project Schedule and Key Milestones

Contractors need to know when the work is expected to begin and when the project should be completed.

Provide:

• Proposed construction start date.
• Required mobilization period.
• Major construction milestones.
• Equipment delivery dependencies.
• Target completion date.
• Handover requirements.

The schedule is particularly important for factory developments where construction may need to align with production equipment delivery and commissioning.

If the schedule is preliminary, identify it as a target rather than a fixed contractual commitment.

11. Site Approvals and Regulatory Information

The approvals required for a project depend on its location, building use, and applicable regulatory framework.

Project owners should identify any available:

• Planning and development approvals.
• Building permits.
• Industrial development requirements.
• Utility connection approvals.
• Fire and life safety approvals.
• Other project-specific permits.

Not every permit must necessarily be issued before an initial quotation can be requested.

However, contractors should understand the current approval status and which party will be responsible for obtaining remaining approvals.

12. Commercial and Tender Requirements

A construction RFQ should explain how contractors are expected to submit their proposals.

Include:

• Quotation submission deadline.
• Required pricing format.
• Payment terms.
• Quotation validity period.
• Technical submission requirements.
• Proposed contract type.
• Warranty expectations.
• Insurance or security requirements where applicable.
• Clarification procedures.
• Required exclusions and assumptions.

Providing consistent commercial conditions makes contractor comparisons more meaningful.

Construction Quotation Documents Checklist

Use this checklist to organize your tender package before contacting construction contractors.

The exact documents and their required level of completion depend on the project and procurement method.

Have your construction documents ready? Contact Skilya to discuss the RFQ package and the next steps toward a project-specific quotation.

What If You Do Not Have All the Construction Documents?

Not every project owner has complete architectural, structural, and MEP drawings when initially contacting a contractor.

This is especially common during early investment planning.

You can still begin a discussion with the information available.

For example, an early factory development inquiry may include:

• Proposed factory location.
• Approximate plot size.
• Estimated building dimensions.
• Manufacturing activity.
• Preliminary layout.
• Expected construction timeline.

The contractor can then identify which additional information is necessary for meaningful pricing.

However, an early estimate should clearly distinguish known project requirements from assumptions and exclusions.

Detailed construction pricing may need to wait until the relevant engineering documentation has been developed.

How to Organize Your Construction RFQ Package

A well-organized RFQ package helps contractors locate project information and reduces the risk of pricing outdated documents.

A practical folder structure could include:

• 01 — Project Overview: Project brief and general information.
• 02 — Architectural Drawings: Plans, elevations, sections, and details.
• 03 — Structural Drawings: Concrete, foundations, and structural steel.
• 04 — MEP Drawings: Electrical, mechanical, plumbing, and fire protection.
• 05 — BOQ: Itemized quantities and pricing schedule.
• 06 — Specifications: Materials, quality, and technical requirements.
• 07 — Site Reports: Geotechnical reports, surveys, and site information.
• 08 — Scope and Schedule: Contractor responsibilities and project milestones.
• 09 — Tender Conditions: Commercial requirements and clarification instructions.

Use consistent document names and revision identifiers.

When updated drawings are issued, clearly communicate which versions supersede earlier documents.

For confidential projects, arrange a secure method of exchanging technical files.

Common Mistakes When Requesting a Construction Quote

Sending Drawings Without a Clear Scope

Drawings describe the building but may not establish every contractual responsibility.

Include a Scope of Work identifying what the contractor is expected to deliver.

Using an Outdated BOQ

An outdated BOQ may not reflect the latest building design.

Contractors should be informed about discrepancies and changes before final pricing.

Missing MEP or Infrastructure Requirements

A quotation covering civil and structural construction does not automatically include HVAC, electrical, plumbing, fire protection, or external utilities.

Not Explaining the Project Stage

Contractors should know whether drawings are conceptual, tender-stage, or issued for construction.

Different stages support different levels of estimation accuracy.

Sending Different Documents to Different Contractors

Comparing quotations becomes difficult when contractors receive inconsistent information.

Issue the same tender package and relevant clarifications to all participants.

Ignoring Exclusions and Assumptions

Ask contractors to identify missing information and clearly state what they have excluded from the price.