ល្អណាស់—ខ្ញុំបាន បញ្ចូលទាំងអស់ជា “GC Master System (SI-OS for 8AM)” មួយដុំ ឲ្យអ្នកប្រើបានជាប្រព័ន្ធតែម្តង 👇
🏗️ GC MASTER SYSTEM (SI-OS for 8AM Company)
👉 General Contractor = Leader of System (Money + People + Quality + Time + Client + Legal)
🔷 1. CORE ROLE (តួនាទីសំខាន់)
👉 GC = Mini CEO of Project
អ្នកត្រូវគ្រប់គ្រង 5 ប្រព័ន្ធសំខាន់៖
1. Planning
BOQ, Drawing, Schedule
Resource planning
2. Cost Control
Estimate ត្រឹមត្រូវ
Prevent loss
3. Time Control
Gantt Chart
Daily / Weekly tracking
4. Quality Control
Follow spec (ACI 318, drawing)
No rework system
5. Communication
Client / Team / Supplier
🔷 2. TECHNICAL SYSTEM (ចំណេះដឹងបច្ចេកទេស)
អ្នកត្រូវ “យល់ទាំងអស់” មិនមែន “ធ្វើទាំងអស់”
Construction Core
Structure (Foundation, Beam, Slab)
Architecture (Finishing)
MEP
Drawing
Shop drawing
As-built
🔷 3. BUSINESS SYSTEM (ប្រាក់ និងអាជីវកម្ម)
💰 3.1 Bidding & Pricing
BOQ pricing
Profit (10–30%)
Risk calculation
💵 3.2 Cash Flow
Progress payment
Advance / retention
Supplier control
📑 3.3 Contract
Construction Contract
Scope / Payment / Timeline / VO
👉 “Profit មកពី contract មិនមែនពី site”
🔷 4. LEGAL SYSTEM (ការពារ)
👉 GC ខ្លាំង = Legal strong
📄 4.1 Company
Business license
Tax (VAT, TIN)
🏗️ 4.2 Permit
Building permit
Approved drawing
⚠️ 4.3 Liability
Worker safety
Insurance
🧾 4.4 Tax
Income tax
VAT
Withholding tax
👉 បើគ្មាន legal → risk បាត់ project + fine
🔷 5. CLIENT SYSTEM (រកភ្ញៀវ)
👉 “No client = No business”
🎯 5.1 Channel 3
1. Referral
Client ចាស់ណែនាំ
2. Online
Facebook / TikTok / Blog
3. Network
Architect / Developer
📈 5.2 Sales Flow
Lead
Meeting
Proposal + BOQ
Follow up
Close
👉 Money = Follow up
🧠 5.3 Positioning
Cheap → low profit
Quality → strong brand
Premium → high profit
👉 You must choose
🔷 6. TEAM SYSTEM (គ្រប់គ្រងក្រុម)
អ្នកគ្រប់គ្រង៖
Engineer
Foreman
Worker
Sub
System:
Telegram daily report
Trello board
KPI tracking
👉 Power = System
🔷 7. SITE OPERATION (SOP SYSTEM)
អ្នកត្រូវមាន SOP:
Concrete work
Rebar
Finishing
Safety
👉 You already doing this (very good 👍)
🔷 8. RISK CONTROL (ហានិភ័យ)
❌ Wrong estimate
❌ Delay
❌ Rework
❌ Client dispute
❌ Cash flow break
✅ Solution:
Buffer 5–10%
Strong contract
Daily tracking
🔷 9. TOOLS SYSTEM
For 8AM:
Telegram → communication
Spreadsheet → cost
Trello → task
SI-OS Blog → knowledge
🔷 10. MINDSET
Think like business owner
Focus: Profit + System + People
Build trust long-term
🔥 FINAL FRAMEWORK (ចងចាំមួយគត់)
👉 GC SUCCESS = 3 CORE SYSTEM
1. Legal (ការពារ)
2. System (ដំណើរការ)
3. Client (ប្រាក់ចូល)
🚀 ACTION PLAN FOR 8AM
Step 1: Legal Setup
Contract template
Payment + penalty system
Step 2: Client Engine
3 posts/week (Facebook)
Before/After + Video
Testimonial system
Step 3: Site System
Daily report
No rework SOP
Step 4: Profit System
Standard BOQ template
Cost tracking
🧠 SIMPLE SUMMARY
👉 GC = Control 6 Things
Cost
Time
Quality
Team
Client
Legal
បើអ្នកចង់ ខ្ញុំអាចបង្កើតជាដំណាក់កាលបន្ទាប់ឲ្យអ្នក៖
👉 1. Contract Template (Cambodia ready)
👉 2. Client Finding System (weekly plan)
👉 3. Full 8AM Company Blueprint (step-by-step)
ប្រាប់ខ្ញុំថាអ្នកចង់ “build which system first” — ខ្ញុំនឹងធ្វើឲ្យអ្នក ready to use immediately 🚀