នេះជារៀបចំ SOP: Labor Cost + Cost Control System (Smart-Book Style) សម្រាប់ក្រុម 8AM Construction 👉 អាចយកទៅប្រើបានភ្លាម (practical + scalable)
🧠 8AM CONSTRUCTION – SOP
💰 LABOR COST + COST CONTROL SYSTEM (PROFIT CONTROL)
🎯 1. OBJECTIVE (គោលបំណង)
- គ្រប់គ្រង ចំណាយកម្មករ (Labor Cost) ឲ្យត្រឹមត្រូវ
- បង្កើន Profit Margin
- កាត់បន្ថយ Waste / Idle Time / Overpay
👉 Formula គោល៖
Profit = Revenue – (Material + Labor + Overhead)
🧱 2. LABOR RATE STANDARD (STANDARD PRICE)
👷♂️ Base Rate System (8AM Internal)
| Position | Rate / Day | Note |
|---|---|---|
| Labor | $10 | Carry / Helper |
| Semi-skilled | $13–15 | Basic skill |
| Skilled (Mason, Carpenter) | $18–22 | Core work |
| Specialist (Tile, MEP) | $25–35 | High precision |
| Team Leader | $25–40 | Control team |
👉 RULE:
- ❌ មិនអោយ negotiate random
- ✅ ត្រូវ fix rate by level
⚙️ 3. WORK-BASED COST SYSTEM (IMPORTANT 🔥)
👉 កុំគិតតែ “day rate” → ត្រូវបម្លែងទៅជា:
🧮 Cost per Work (Productivity System)
Example:
- Brick wall 1m² = $5 labor
- Tile 1m² = $6–10 labor
- Plaster 1m² = $3–4 labor
👉 Formula:
Labor Cost = Quantity × Unit Rate
📌 Benefit:
- Control cost ត្រឹមត្រូវ
- Avoid “slow worker = lose money”
📊 4. DAILY CONTROL SYSTEM (SITE MANAGEMENT)
📋 Daily Report (Mandatory)
Supervisor ត្រូវ report រៀងរាល់ថ្ងៃ:
- Number of workers
- Work completed (m² / task)
- Hours worked
- Problems / delay
👉 Example:
- 5 workers → finish 20m² wall
- Cost = $50
- Unit cost = $2.5/m² ✅ GOOD
🚨 5. COST CONTROL RULE (CORE SYSTEM)
🔒 RULE 1: No Work = No Pay (for productivity system)
- Slow / idle → reduce cost
🔒 RULE 2: Pay by Output (NOT time)
- Faster = earn more
- Company = save money
🔒 RULE 3: Control Idle Time
- Wait material ❌
- No instruction ❌
👉 Solution:
- Prepare material + plan daily
📉 6. LOSS DETECTION SYSTEM (STOP BLEEDING)
🚨 Red Flag:
- Too many workers but slow output
- Labor cost > 30–35% of project
- Rework (do again)
🧠 Action:
- Change team
- Replace leader
- Adjust method
📈 7. PROFIT CONTROL SYSTEM (GC LEVEL 🔥)
🎯 Target:
- Labor cost ≤ 25–30% of total project
📊 Example:
- Project = $10,000
- Labor = max $3,000
👉 If > $3,000 → ❌ Problem
🧩 8. BONUS + PENALTY SYSTEM
💵 Bonus:
- Finish early
- High quality
- No rework
👉 Example:
- $20–50 per team
❌ Penalty:
- Delay
- Mistake
- Damage material
🧠 9. 8AM SMART STRATEGY (ADVANCED)
🔥 Strategy 1: Hybrid System
- Skilled → Pay by task
- Labor → Pay by day
🔥 Strategy 2: Small Team Control
- 1 Leader = 3–5 workers
👉 Easy control
🔥 Strategy 3: Repeat Team
- Keep good workers
👉 Reduce training cost
🛠️ 10. SIMPLE TOOL (USE THIS DAILY)
📋 Template (Quick Use)
- Project Name:
- Today Workers:
- Work Done:
- Total Cost:
- Cost per Unit:
- Issue:
- Action:
🏆 FINAL SYSTEM (IMPORTANT)
👉 8AM RULE:
❌ Don’t pay for TIME
✅ Pay for RESULT
👉 This is the difference between:
- Normal contractor ❌
- Smart contractor (YOU) ✅
🚀 NEXT LEVEL (IF YOU WANT)
ខ្ញុំអាចបន្តជូនអ្នកជា:
- 📊 Excel / Google Sheet Auto Calculator
- 📱 Mobile Tracking System (Telegram Bot Style)
- 🧠 Full Company System (Millionaire Blueprint 8AM)
បើអ្នកចង់ upgrade ទៅ LEVEL COMPANY SYSTEM (Big Contractor)
ប្រាប់ខ្ញុំ 👉 ខ្ញុំនឹង build system អោយអ្នក full (real business use)