🏗️ SOP: QUALITY ASSURANCE (QA) IN CONSTRUCTION
🎯 1. PURPOSE
Ensure all construction work meets:
- Design drawings
- Specifications & codes (ACI, ASTM)
- Required quality standard
- Reduce rework, delay, and cost
🧠 2. CORE IDEA
QA = Prevent problems (before work)
QC = Check problems (after work)
QA is SYSTEM | QC is INSPECTION
👷♂️ 3. ROLES & RESPONSIBILITIES
QA Engineer
- Prepare Quality Plan
- Review Method Statements
- Approve Material Submittals
Site Engineer
- Execute work per approved method
- Control sequence and coordination
QA/QC Inspector
- Inspection & testing
- Fill reports & checklist
- Issue NCR
Project Manager
- Control QA system
- Solve major issues
📋 4. QA PROCESS FLOW
🔹 STEP 1: PRE-CONSTRUCTION
- Review IFC drawings
- Prepare Method Statement
- Prepare ITP & Checklist
- Material approval
🔹 STEP 2: MATERIAL CONTROL
- Submittal approval
- Lab test report
- Delivery inspection
🔹 STEP 3: WORK EXECUTION
- Dimension control
- Alignment & level
- Rebar spacing
🔹 STEP 4: INSPECTION & TESTING
| Stage | Inspection |
|---|---|
| Before | Material & setup |
| During | Process control |
| After | Final check |
🔹 STEP 5: DOCUMENTATION
- Inspection Request (IR)
- Daily report
- Test results
- Photos
🔹 STEP 6: NCR
- Identify issue
- Correct action
- Re-inspection
🔹 STEP 7: HANDOVER
- Final inspection
- Snag list
- Approval
🧱 5. REBAR CHECKLIST
- ✔ Rebar size correct
- ✔ Spacing correct
- ✔ Cover correct
- ✔ Clean surface
- ✔ Proper anchorage
🧪 6. TESTING
Concrete
- Slump test
- Cube test (7 / 28 days)
Steel
- Tensile test
⚠️ 7. COMMON MISTAKES
- No material approval
- No inspection before casting
- No documentation
- Wrong spacing
🔑 8. GOLDEN RULE
Never continue work without inspection approval
🚀 9. PRACTICAL SYSTEM
- Create QA folders
- Use Telegram for tracking
- Weekly QA review