Additional Questions Received 40-51.pdf
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- Attached to
- Boiler Replacement Project
- Solicitation number
- GS-03P-09-AZ-C-0004
About this file
Responses to questions 40-51.
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Other files
| File | Type | Posted |
|---|---|---|
| ALL QUESTIONS.pdf | ||
| BMS Contractor.pdf | ||
| Amendment 0003.pdf | ||
| Additional Question 28.pdf | ||
| Additional Questions 35-39.pdf | ||
| Site Visit 3.pdf | ||
| SF 24 Bid Bond.pdf | ||
| Additional Questions Received 17-34.pdf | ||
| FINAL QUESTIONS SUBMISSION.pdf | ||
| Site Visit 2.doc | DOC document | |
| Additional Questions 15 16.pdf | ||
| Additional Questions 12-14.pdf | ||
| Completed Pre proposal Questions Answers.pdf | ||
| Additional Questions Received 8-11.pdf | ||
| Pre Proposal Minutes.pdf | ||
| Amendment 0002.pdf | ||
| Site Visit.pdf | ||
| Amendment 0001.pdf |
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Additional Questions Received #40-51 Re: Boiler Replacement Project Byrne-Green Complex
40. On drawing M-D-103 it shows the pumps and all associated piping along with the pump bases to be removed, on drawing M-P-107 it shows the pumps as existing and only the boilers as new work. Please clarify – are the pumps being replaced?
Response: No, External recirculating pumps are not required.
41. Please provide the specifications on the new pumps if the existing pumps are being replaced
Response: See Answer to Question 40 above
42. On drawing E-D-101 it shows all conduit and wiring being removed on the existing pumps but there is no new work shown for new pumps, if the pumps are being replaced please provide wiring information---.motor starters, frequency drives controls etc.
Response: See Answer to Question 40 above
43. On drawing M-D-103 and again on drawing M-D-106 it shows the entire steel platform including the columns removed. Will new structural steel drawings be provided for the new platform?
Response: No, There will be no new Platform
44. As part of the control sequence please provide clarification on protection against pump cavitations.
Response: See Answer to Question 40 above
45. Is the control package required by this project totally integrated into the controls provided by the boiler manufacture or are there additional requirements for linking the controls of the new boilers to the front end of the existing building automation system (BAS)
Response: The control package required for full operation of the boilers is included as part of the integrated boiler control package. Refer to Division 23 specification section 235239 paragraph 75.1 sub F for BAS interface requirements.
The BMS was recently upgraded to the "Tridium 3216" system. The contractor responsible for maintaining the system is Green Energy Controls. Don Rowe is a point of contact. His phone number is 215-364-1482
46. Is the control sequence on MP107 in regard to the control of the valves and sequencing of the Boilers provided by the BCMS system or the Boiler Manufacturer?
If control is by the BCMS system is there a requirement for a user interface and graphic pages?
Response: Drawing MP 107 states…” Motorized Flow control Valves shall be controlled by signal from the boiler or Lead/Lag controller.” There is no requirement for BAS (BCMS)Graphics.
The BMS was recently upgraded to the "Tridium 3216" system. The contractor responsible for maintaining the system is Green Energy Controls. Don Rowe is a point of contact. His phone number is 215-364-1482
47. Are the existing controls and conduits for the BCMS system to be removed?
Response: Only that work as outlined on drawings ED101, MP107, and specification Division 23 section 235239.The control package required for full operation of the boilers is included as part of the integrated boiler control package. Refer to Division 23 specification section 235239 paragraph 75.1 sub F for BAS interface requirements.
The BMS was recently upgraded to the "Tridium 3216" system. The contractor responsible for maintaining the system is Green Energy Controls. Don Rowe is a point of contact. His phone number is 215-364-1482
48. Are there any requirements for the Boiler Manufacturer controls to provide alarm points to the BCMS system and will the BCMS system be connected to these points?
Response:Refer to answer to question 45 above.
49. If new pumps are added to the system, is there a control requirement for these pumps to operate with the minimum and maximum flow and the staging through the boilers?
Response: See answer to Question 40
50. Are the house pumps enabled with the Boilers or is there a warm up period for the Boilers before the pumps are enabled
Response: Refer to Sequence of operation on drawing MP107. Motorized Flow control Valves shall be controlled by signal from the boiler or Lead/Lag controller under low fire locked control until boiler meets minimum temperature. This is part of the integrated boiler control ICS system outlined in specification division 23 section 235239.
51. Is there any possibility the bid will be postponed?
Response: Proposal Due Date has been extended to Monday, December 15, 2008. Please see Amendment 0003.
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