Hmm at my first glance they don't show much errors however upon closer observations I can safe ly conclude that there are many glaring mistakes that can be easily resolved.
If you look at this first picture you will see the following unmistakable flaws:
1) The external walls were left without any cement plaster. The contractor left the BH before finishing those plaster works. The cement plaster is important to reduce the amount of heat reaching the internal wall's surfaces.
2) The ventilation holes were made of those flower bricks. The holes were covered with cement boards. Based on my many experience these type of ventilation holes will be difficult to cover internally. If his contractor is not experienced enough his nesting rooms will be very very bright.
3) The monkey house roof was blown away and it was not replaced or corrected. He need to cover the roof back.
4) There was no hexagonal tweeter above the monkey house. Without hexagonal tweeter I classified this BH as not properly functioning.
5) I have a very strong feeling that this BH is with a single layered walls and not doubled. With the current heat spell I think this BH will soon face a very high temperature internally.
6) If you look carefully at the main entrance hole, you see only two external sound tweeters. On the right side nearly to the top of the window frame while on the left side a bit lower. To me two is not adequate. Just too little.
7) The main entrance hole seems to be larger. The top part was covered with a piece of broken cement board. I think the main entrance hole is not the right size.
9) The number of external sound tweeters was only two. It is like not very keen to pull those birds into the nesting room.
11) As mentioned in item no 2 I think I was dead right. The top floor seems to have too many light sources polluting the floor. Those ventilation holes were not properly covered. This is one of the common mistakes done by those "Chap Ayam" consultant. They do not understand what those birds required.
12) Have a good look at how many tweeters are on the nesting planks? They are not precisely located and at the same time simply too little.
13) You can also observed that there is no crossing woods. I think we can easily installed 3 rows of crossed woods.
14) The above two pictures (8th and 9th) shows me something. This BH has no humidifier. Hmm another chap ayam design. How to maintain the humidity if there is no humidifier. Maybe those drains are filled up with water.
The above observations are just from those pictures. I will be inspecting this BH this April 7th 2015 and I am sure I will detect a lot more wrong things that if resolved can bring back those swiftlet.
If you are facing similar problem with your BH just call me and let me tell you how to get your BH back to its original purposes.
Call me at 017 7551318