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Question Answer
| Primary Power Source: Where is the primary power being pulled from to feed the new 150KVA transformer? What is the distance between the existing power source/main switchgear and the new power station location? |
| There are two existing GE Spectra Series Switchboards. One is a 1000 Amp, 408/277 VAC and the other is an 800 Amp, 120/208 VAC. The distance is approximately 20-60 feet from the source depending on actual placement of the transformers. |
| Equipment Mounting: Will the 150KVA and 30KVA transformers be floor-mounted or wall-mounted? If floor-mounted, is the contractor required to pour concrete housekeeping pads, or is the existing hangar floor sufficient? |
| This will be floor mounted and the hangar floor should be sufficient based off other similar power stations. |
| Conduit and Cabling: Are there specific requirements for conduit (e.g., EMT, IMC, or Rigid)? Section C-1.3.3 mentions testing all new cables; is there a specific testing standard required (e.g., Megger testing)? |
| All other power stations are using a rigid conduit. As far as testing it needs to have the correct phase alignment and provide the correct output. |
| Emergency Stop: Section 1.4 mentions an "emergency stop circuit." Does this circuit need to kill power to the entire station or just the training device? Does it require a physical "mushroom" button at a specific height/location? |
| The emergency stop just needs to kill power to the training device and does not require its own physical button. |
We would like to know if this is a brand new contract OR if there is (was) an incumbent performing these services.
If not brand new, could you please provide the current / previous contract number?
This is a new requirement.
| Would you consider organizing a site visit? |
| A site visit is not being considered at this time. I have no issue if they want to come and look over the site for a better understanding. |
| Can you provide a one-line blueprint of the required installation? |
| There are no current blue-prints to provide. |
| Are any underground/under-floor conduits to be installed? |
| No, all conduits will be overhead and wall mounted. |
| What are the distances between the installation elements? |
| All elements will be within a 20ft area. |
| Can you provide details of the stop circuit design and requirements? |
| The emergency stop just needs to kill power to the training device and does not require its own physical button. |
| Is there a dedicated breaker in the main panel for the new branch circuit/circuits? |
| There is not a current breaker installed for the new branch circuits. Both switchboards appear to have space available for dedicated breakers for the new branch circuits. |
