Roof structure assessment & inspection process before installing solar power system
- Người viết: Vo Minh Dieu Ai lúc
- Tin tức
STEP 1: COLLECTING BASIC INFORMATION
Purpose: Understand the current characteristics of the roof.
Content:
Roof type: flat roof, sloping roof, corrugated iron roof, tile roof, concrete roof...
Usable roof area.
Year of construction and design documents (if any).
Environmental factors: storms, solar radiation, corrosion (near the sea, industrial park...)
STEP 2: CHECKING THE ACTUAL CONDITION OF THE ROOF
Purpose: Determine the physical condition and existing damage.
Inspection content:
Observation with the naked eye: cracks, sagging, rust, subsidence, etc.
Measure the slope and tilt of the roof.
Determine the roof coating: waterproofing layer, insulation layer.
Check the roof drainage system.
Record obstacles (chimneys, antennas, skylights, etc.)
STEP 3: ANALYZE THE STRUCTURAL BEARING
Purpose: Ensure that the roof is capable of withstanding the load of the solar system.
Content:
Calculate the load of the solar system: panels, support frame, ballast, conductors...
Calculate the wind load (according to local standards).
Check the load-bearing capacity of the existing roof (according to design documents or recalculation).
If necessary, conduct field experiments (e.g. load testing, core drilling to check concrete...).
STEP 4: STRUCTURAL SAFETY ASSESSMENT
Purpose: To conclude the ability to accept the solar energy system.
Content:
Compare the design load and the actual load added by the solar energy.
Determine the most suitable roof location to install the system (avoid weak spots).
If not qualified → propose reinforcement (sub-beams, support columns...).
STEP 5: PREPARE ASSESSMENT REPORT
Purpose: To serve as a basis for deciding on implementation and keeping technical records.
Required content:
Roof diagram.
Photos of current status and proposed installation location.
Calculation results/load-bearing test documents.
Conclusion and recommendations: can be installed, needs reinforcement, or not recommended for installation.
STEP 6: APPROVAL & PREPARATION FOR IMPLEMENTATION
Send report to investor/construction technical department.
After approval → move to detailed solar power system design phase.
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