Our objective for today was to gauge the feasibility of the Solar Lab at T-12 rooftop, and also to explore the possible options that we had for our battery room.
The site was revisited:
There was sufficient roof space for several systems to be installed, and little shading posed from the surroundings since it was one of the tallest buildings in that area.As for the battery room, we provided Mr. Battul and Shu Kai a rough idea of how the room would be utilized. It was a simplistic model. There would be more components involved once the installation commences:
The most viable option was to utilize the space in front of the lift landing, this narrow corridor near the lift landing was considered:
The storeroom was also one of the few options we explored. This is the entrance to the storeroom, taken from the earlier site visit when Mr. Battul was around:
However, it was not a good choice since the room was far too small, already filled with stores, and would be accessed occasionally by contractors. We wouldn't have much space allocated for our equipment.After our short meeting with Shu Kai, the dimensions and placement for the room were quickly proposed for the corridor. The estimated dimensions were 4m x 1.5m x 2m (height) :
One basic requirement for the battery room is good ventilation. Hence, louvers were also included in our proposed design.
Certain lead acid batteries (flooded type) release small quantities of flammable gases like oxygen and hydrogen when the charging current is too high, or when they are overcharged. As such, ventilation is important to prevent any build-up of flammable gases.
In addition, components like batteries, charge controllers and inverters undergo slight heating during the charging operation. As such, it is necessary to have louvers on both sides of the room to allow the air temperature within the room to remain cool during the day.
Our next step is to await the greenlight for the proposed battery room design.
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