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Endüstriyel Tesislerde As-Built Modelleme: Süreç ve Zorluklar | Eos Proje

Sektörel Uygulamalar12 Ocak 20266 min read

Endüstriyel Tesislerde As-Built Modelleme

Analitik Özet

TL;DR: Endüstriyel tesislerde (fabrika, rafineri, enerji santrali) as-built BIM modelleme, standart binalardan %300 daha karmaşıktır: Yoğun MEP sistemleri (pipe density 15-25 m/m²), active production ortamında çalışma, safety protocols. Toyota Fabrikası projemizde 50,000 m² tesiste 2,500+ MEP element, LOD 300, 8 hafta. Başarı anahtarı: Detaylı planlama + experienced team + phased approach.

Endüstriyel Tesislerin Özgün Zorlukları

1. MEP Sistemleri Yoğunluğu

Standart Ofis Binası: 3-5 metre boru/m²

Endüstriyel Tesis: 15-25 metre boru/m² (5-8x daha yoğun!)

Toyota projemizde sadece process area'da:

800+ boru hattı (DN25-DN800)
350+ vana
150+ equipment (tanks, pumps, heat exchangers)
200+ instrumentation points

Pipe Complexity: Bir process unit'te 6 farklı sistem bir arada: Process fluid, cooling water, steam, compressed air, chemical drain, fire fighting. Her biri farklı materyal, pressure rating, insulation requirement.


2. Active Production Ortamında Çalışma

Fabrikalar 7/24 üretim yapıyor - laser scanning nasıl yapılır?

#### Stratejiler:

A. Vardiya Saatleri Dışı:

Gece 00:00-06:00 arası
Production downtime minimize
Safety risk azaltma

B. Modüler Approach:

Fabrika zone by zone taranır
Critical production areas weekend'de
Non-critical areas normal saatlerde

C. Remote Scanning:

Tehlikeli alanlarda (yüksek sıcaklık, kimyasal risk)
Drone-based scanning (outdoor areas)

3. Safety Protocols

Endüstriyel tesislerde safety paramount:

RequirementDetail
HSE TrainingMinimum 8 saat site-specific
PPEHelmet, safety shoes, goggles, earplugs
Gas DetectionPersonal H2S, LEL detectors
PermitsWork permit, hot work permit (if required)
EscortsProduction team escort mandatory

Endüstriyel As-Built Modelleme Süreci

Faz 1: Pre-Project Planning (1-2 hafta)

Client briefing + site visit
Existing documentation review (P&IDs, isometrics)
Safety training
Scan planning (zone division)
Deliverable: Project Execution Plan (PEP)

Faz 2: Laser Scanning (3-7 gün)

Scan Density Requirements:

Process piping areas: 3-5mm
Structural steel: 5-10mm
General areas: 10-15mm

Toyota Project Stats:

250+ scan positions
45 TB raw data
5 billion points
Accuracy: ±3mm global registration

Faz 3: Point Cloud Processing (1 hafta)

Endüstriyel tesislerde unique challenges:

Hot Equipment: Lazer beamlar hot surfaces'den (300°C+) scatter eder → noise

Çözüm: Shutdown planlarken değerlendirin veya cold areas öncelik

Reflective Surfaces: Stainless steel tanks, polished pipes → multiple reflections

Çözüm: Target-based registration + overlap increase

Vibration: Rotating equipment vibration → blurred points

Çözüm: Equipment shutdown veya multiple scans average


Faz 4: BIM Modelleme (4-6 hafta)

#### Modelleme Öncelikleri:

Week 1-2: Structural & Equipment

Steel structure (columns, beams, platforms)
Major equipment (tanks, vessels, pumps)
Equipment foundations

Week 3-4: Piping Systems

Main process lines (critical diameters DN150+)
Headers and risers
Pipe supports

Week 5-6: Secondary Systems & Details

Small bore piping (DN50 altı)
Instrumentation
Cable ways
Fire fighting system

Faz 5: QA/QC (1 hafta)

Critical Checks:

[ ] Pipe connectivity (inlet/outlet match)
[ ] Elevation verification (±10mm)
[ ] Flange-to-flange dimensions
[ ] Equipment nozzle orientations
[ ] Clash detection (hard clashes = 0)
[ ] P&ID reconciliation

Polyol Thyssenkrupp projesinde 450+ pipe connections'ı P&ID ile reconcile ettik. 12 discrepancy bulduk - field verification sonrası P&ID updated etti. BIM model, P&ID hatası yakaladı.

U

Uğur Bilen

Eos Proje


Sector-Specific Considerations

Petrokimya / Rafineri

Özellikler:

High pressure/temperature lines
Exotic materials (Hastelloy, Inconel)
Complex instrumentation
Flare systems

LOD: 350-400 (fabrication required)


Enerji Santrali (Linde Tiszaujvaros)

Özellikler:

Large diameter piping (DN600-DN1200)
Insulation modeling (100-200mm thick)
Cable tray networks
HVAC systems (büyük duct sizes)

LOD: 300-350


Üretim Tesisi (Toyota, Şişecam)

Özellikler:

Process equipment chains
Conveyor systems
Utility distribution
Clean room requirements (varsa)

LOD: 300


Sıkça Sorulan Sorular

Sıkça Sorulan Sorular

%150-250 daha pahalıdır çünkü:

- MEP density 5-8x fazla

- Safety requirements & training

- Complex geometry (pipe routing)

- Specialized expertise (process knowledge)

- QA/QC more intensive

m² başına maliyet: 45-75 TL/m² (LOD 300, MEP dahil) vs. ofis binası 25-35 TL/m²

Evet, mümkündür ancak:

- HSE protocols strict compliance

- Production team coordination critical

- Phased approach (zone by zone)

- Night shifts veya weekend çalışma

- Some areas shutdown gerektirebilir

Toyota projesinde %80 areas active production altında tarandı, %20 planned shutdown.

LOD 300 için tolerance levels:

- Horizontal position: ±10-15mm

- Elevation: ±10mm

- Pipe diameter: Nominal (accurate)

- Flange-to-flange: ±5mm

Critical tie-in points (existing+new) için ±5mm recommended.

P&ID (Piping & Instrumentation Diagram): Process flow şeması

Reconciliation: BIM model ile P&ID'yi karşılaştırma

- As-built gerçekten P&ID'ye uygun mu?

- Modifications capture edilmiş mi?

- Instrumentation tam mı?

Neden Önemli: P&ID, operational critical document. As-built BIM ile sync olmalı. Bizim projelerde %5-10 discrepancy bulunuyor (genellikle P&ID outdated).

| Yazılım | Best For | Strengths |

|---------|----------|-----------|

| Revit | General industrial | Yaygın, IFC export |

| AutoCAD Plant 3D | Process plants | P&ID integration |

| PDMS/E3D | Large refineries | Advanced piping tools |

| Navisworks | Coordination | Clash detection |

Eos Proje uses: Revit (modeling) + Navisworks (QA/QC) combo.


Best Practices: Endüstriyel As-Built Modelleme

1.Detailed scan planning - Zone mapping, safety briefing
2.Phased scanning - Minimize production impact
3.High overlap - %40-50 overlap (vs. %30 normal)
4.P&ID as reference - Process understanding critical
5.Modular modeling - Workset strategy for large data
6.Regular client review - Weekly progress check
7.Safety documentation - Risk assessment, work permits
8.Specialized team - Industrial experience mandatory
9.Equipment data sheets - Vendor data integration
10.Flexible timeline - Production delays happen, plan buffer

İlgili Vaka Analizleri:


Son Güncelleme: 25 Ocak 2026

Yazar: Kamil Serin - Veri & Kalite Koordinatörü, Eos Proje | Okuma Süresi: ~8 dakika

Karmaşık endüstriyel tesislerinizin dijital ikizini oluşturmak için uzman mühendislerimizle görüşün.