Staff meeting was held at the TWR office this morning. The meeting included a 20 minute ‘Family Focus’ video reviewing what is currently happening at all the TWR locations and presenting prayer requests from these locations. It was almost 9:30am by the time we made it to the site.
I took my laptop with me today to access email and to send the reports from the last three days.
Paul and Philip continued doing the electrical in the phasor room, while Brian and Bruce started the electrical installation for the air handlers in the loft.
Jim completed the connection of the copper lines to the north air handler, while Jake and Steven began installing the cold air ducting.
About the time for Ralph and me to leave for lunch, Harvey, from WEB, arrived to work on details of the wiring required for connecting WEB’s transformers to TWR’s 1,200, 800 and 400 amp panels. We are running into challenges because WEB only stocks metric wire sizes. Their 300 sq mm cable is just enough larger than our 500mcm cable that it will not fit into the connector holes on the breaker. The next smaller metric size that WEB uses is 150 sq mm which is very close to 300 mcm. After much discussion and since Ralph and I felt we could not make a decision without input from TWR’s project manager, we told Harvey we would get back to him with a decision. Since WEB does not expect to receive the HV switchgear for our project until early June, a decision does not to be made quickly.
Ralph and I arrived home about 45 minutes late for lunch, so our siesta time was short today!
After lunch, Ralph and I met with Daryl and Jonas to review the challenges of the WEB connections and discuss options. [It is WEB’s responsibility to supply the hook up cables] Two possibilities that we concluded might work:
1. Reduce the diameter of the 300mcm cable by using a plumbers tool for copper tubing (this was Ralph’s idea and one that came from his many years of experience.
2. Sell (at a discounted rate) the leftover 500mcm cable that TWR has to make the 1,200 amp connection. [There is not enough 500mcm cable to make the 800 and 400 amp connections]
After our discussion, I discovered a third option. The 150 sq mm cable that WEB has is capable of carrying just over 300 amp. Using four cables per phase should be adequate. This will work because the are lugs on the 1,200 amp breaker will allow connecting up to four 500mcm (or smaller) cables per phase.
Tomorrow, I plan to write up this finding and suggest possible solutions using metric size cables for both the 800 and 400 amp breakers.
This evening we left the site about 30 minutes later than normal. All 9 of us men wanted to go for a cool-down swim, so we took two vehicles to Pink Beach which is about a mile south of the salt pier. This used to be a nice sandy beach with pink sand from coral that was in the area. The pink sand was all washed away in a rare hurricane several years ago. The wave action this evening was a little higher than the other beaches where we have swum, so Ralph ended up sitting on a rock just off the shoreline. He frequently got hit by the waves coming in, but managed to maintain his balance. I stayed close by to watch him, while the rest of the men snorkeled. Our swim this evening was shorter, because of getting home so late.
Supper this evening was shredded beef with Baby Ray’s sauce on a bun, mashed potatoes, noodles, green beans, lettuce with craisins and sunflower seeds, jello with fruit and pudding (vanilla and chocolate) cups.
After supper, Ralph and Mary Jane took the six young men to the TWR office so they could communicate back to their families over the internet