Historic stone arch — Qantara

Engineering & Conservation for Historic Architecture

Because Heritage Must Endure

Structural assessment, conservation design, and implementation for historic constructions.

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Conservation is not the arrest of time — it is the responsible stewardship of its evidence.

Ahmad Jamal at a heritage site

Ahmad Jamal

Built Heritage Conservation Specialist
Structural Civil Engineer

A built heritage specialist with deep experience in the conservation and rehabilitation of historic structures, 3D digital documentation, and structural assessment of monuments and archaeological sites across the Levant.

Driven by a passion for learning and delivering positive impacts, skilled in fostering teamwork and collaboration, and committed to innovative, solution-oriented approaches that honor both the authenticity and integrity of historic fabric.

Expertise
Photogrammetry Laser Scanning HBIM Lime Mortars Structural Analysis Stone Masonry AutoCAD / Civil 3D Revit PointCloud Processing
10+ Years of Practice
7+ Major Projects
3 Organizations Led

Services

Analysis & Design

Structural analysis and design of temporary and permanent interventions to ensure the safety and integrity of historical structures — from vaulted aqueducts to fortified walls.

Mapping & 3D Digitalization

Comprehensive documentation of built heritage through laser scanning technologies and photogrammetric techniques — creating precise digital records for research and conservation.

Management & Planning

Expert management and planning of engineering projects in construction and built heritage preservation — coordinating teams, schedules, and conservation methodologies on-site.

Condition Survey & Reporting

Systematic assessment and documentation of historic structures — recording pathologies, diagnosing causes of deterioration, and prescribing evidence-based intervention strategies for conservation planning and grant applications.

Project Highlights

Al-Jahiniya Fortress, Naqab Desert
Consolidation & Reconstruction

Al-Jahiniya Fortress

Naqab Desert — 2023–2025

Foundation consolidation and reconstruction of collapsed walls and towers using lime-based mortars and structural reinforcement techniques.

The White Mosque, Ramla
Safety Assessment

The White Mosque

Ramla — 2023–2025

Structural safety assessment of an Umayyad-period underground water well; condition inspection and compliance evaluation for visitor access.

Ottoman Water Wells, Asqalan
Restoration

Ottoman Water Wells

Asqalan, Naqab Desert — 2023–2025

Structural reinforcement of cylindrical stone wells (20–30 m deep) with vaulted access structures.

Al-Ja'ouna Caves Village, Safad
Rehabilitation

Al-Ja'ouna Caves Village

Safad — 2023–2025

Restoration of cave entrance arch and dry stone wall terraces; general site rehabilitation.

Agricultural Terraces, Battir UNESCO
UNESCO World Heritage

Agricultural Terraces & Irrigation

Battir — 2020–2021

Maintenance of dry stone walls and irrigation channels, plus 3D digital mapping using photogrammetry and laser scanning.

Al Jazzar Mosque — technical elevation drawing
Conservation Works

Al Jazzar Mosque

Acre — 2018–2019

Management of consolidation and conservation works including structural strengthening of domes, removal of modern insulation layers, and reapplication using compatible traditional materials in accordance with conservation best practices.

Experience

  1. 2025 — Present

    Founder & Senior Engineer

    Qantara Engineering & Conservation for Historic Architecture

    Jerusalem

  2. 2023 — 2025

    Structural & Conservation Engineer

    Built Heritage Conservation Department, Antiquities Authority

    Jerusalem

  3. 2018 — 2021

    3D Digital Documentation & Modeling Engineer

    LionHeart 3D

    Jerusalem

  4. 2019 — 2021

    Co-Founder & Civil Engineer

    Technolime Engineering Services

    Jerusalem

  5. 2018 — 2019

    Site Engineer — Arcades Roofs Restoration

    S.E.D — Al-Jazzar Mosque project

    Acre

  6. 2015 — 2017

    Site Engineer — Restoration & Rehabilitation

    Omar Ayoub Building LTD — Old City of Jerusalem projects

    Jerusalem

قنطرة Qan · ta · ra

Arabic — arch, vault, bridge.
Root of the Spanish Alcántara.
A word that crossed civilizations.

Where Every Arch
Is a Bridge

Founded in Jerusalem, Qantara Engineering was established on the conviction that the built heritage of the Levant is not merely a collection of old stones — it is living testimony. Every lime-mortared vault, every carved keystone, every eroded terrace wall carries irreplaceable cultural knowledge.

Our work sits at the intersection of structural engineering precision and conservation ethics: intervening with care, documenting with accuracy, and always asking what the structure itself is trying to tell us.

Authenticity Compatible materials and methods that honour original construction traditions.
Integrity Structural interventions that strengthen without erasing the evidence of time.
Knowledge Traditional craft understanding combined with modern digital documentation tools.
Stone arch with golden light

Work With Us

Whether you are planning a conservation project, need a structural assessment of a historic building, or want to discuss 3D documentation — we are ready to help.

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