SPECIAL NOTICE
Z -- Bldg 31 HVAC
- Notice Date
- 6/8/2007
- Notice Type
- Special Notice
- NAICS
- 238220
— Plumbing, Heating, and Air-Conditioning Contractors
- Contracting Office
- VA Medical Center;215 North Main Street;White River Jct, VT 05009
- ZIP Code
- 05009
- Solicitation Number
- VA-SNOTE-070608-002
- Archive Date
- 6/23/2007
- Description
- Responses to questions received for Solicitation VA-241-07-IF-0075 1. It appears that the architect did not list the drawing scaling on each plan. On many of the plans there is no indication of what the drawing scales he is using sizes are. What are the drawing scales? Response: This will be added to the documents by addendum. 3. On drawing 6 of 39 there is a problem with the information on the plan it does not seem to match the scope in the notes. Specifically there is an area that states that it is general notes. In it they talk about the work on drawing. And the note states that all work on this plan shall be done as deduct alternate 9. While the rest of the plan indicates that the plan is labeled and called deduct alternate 3. Can we clarify what plan is with the alternates? There is other work mentioned on the plan but it does not match the description or the plan as far as specific. Is the plan bid alternate #3 or #9? Response: This will be changed to alternate #3 in the addendum. 4. On Plan 6 its call for casework to be installed, but plans don't show any casework. Response: Plans indicate modifications to existing casework and the note applies as well to this work. 5. There is no site plan in the plans so we can't find out where the condensing unit would be located. And where we would be pouring of slabs and so on. Response: Part plan F8 on drawing 31-M-401 indicates the location of the condensing unit pad. 6. Are we allowed to use individual sureties on this project rather then just corporate surety? Response: Yes, so long as the conform to Federal Acquisition Regulations. 7. NAICS Code - Why NAICS listed as 238990 and not 238220 as described in description section of synopsis. Response: Use NAICS Code 238220. 8. We are considering a Joint Venture with a local mechanical contractor to bid this project. Does CCR registration of the JV required prior to bid date or our notice of intent is acceptable for evaluation? Response: CCR Registration is required for all awards; it should be not that registration with VET BIZ for SDVOSB is also required. 9. If we decide to bid as prime and performance bond is likely required, can our mechanical subcontractor provide the bond for the portion of their work and we bond the portion our work (i.e. 80/20)? Response: Bonds for the project are the responsibility of the prime contractor. 10. Intends to bid as a Prime Contractor (Joint venture) under the SDVOSB program. To that end, we have several brief questions: 11. The solicitation states the contract performance period is 120 days. We wish to ask if we either could have a "delayed start" in order to submit on all major equipment and have on site or close to being released before our construction time actually starts. If this is not possible, can the contract performance time be extended to 300 days? Response: The contract performance is being extended to state 300 days from the Notice to Proceed. 12. Can you tell us the when you expect the owner furnished equipment (AC 3 and MSUs) to be delivered to the site? Response: We are tentatively looking at the MSU's to be on site NLT November 15, 2007. 13. Is it possible to get a copy (PDF) of the Ground Floor plan so we can better understand where some of the rooms are located that are referenced in the solicitation as tie in points for the MSUs? Response: Supplemental drawings are being provided. 14. We could not make the first site visit. In the event we feel we need to see the building in order to move forward, would that still be possible? Response: Not at the present time. 15. According to spec section 01150.3.2.A, foundations, several pads, or footings are required, in addition to some small slabs. According to the manufacture's Site Preparation Requirements, a concrete slab or asphalt slab is required that covers the entire area 40' x 50'. Please advise. Response: The installation of the MSU's is a design/build effort which requires coordination with the MSU manufacturer and the VA for connections and locations. Installation detailing is the responsibility of the contractor. 16. My understanding from the walk thru was that the VA was going to hire the crane to load the units in and out. The spec now calls for the contractor to make those arrangements. Please confirm. Response: At the present time it is the VA's intention to hire the crane service. 17. There are no site plans included with the drawings that show utilities. I understand that the contractor is required to hire an underground locating service; however, a site plan showing the VA utilities in the area would be most helpful. Please provide a site utility plan of existing utilities. A pdf file format of site utilities drawing could be electronically transmitted via email. Response: We don't have a site plan showing utilities, thus the request for utilities locating service. 18. What is the expected project start date and completion date? Response: The proposed Notice to proceed will be June 29, 2007 with the completion date being 300 days after the notice to proceed. 19. Is there any information specifically in reference to the Electrical Contractors Obligations with respect to installation of the Mobile Operating Rooms (MSU) located in (section 01150) as follows: a. Electric Door Closures- . Door operators for the connector hallway to the remote MSU buildings (typically 120 volt powered from a Life Safety Branch Circuit with low voltage control pads located on either side of entry). . Control Relay or contacts Interlocked with Fire Alarm System to release door mechanism (either internally or with magnetic door holders) in the event of a fire (typically 24 volt DC or 120 volt AC). b. Medical Gasses- . Med-Gas Alarm Monitoring on MSU stations. Does this require a 120 Volt Source on a Life Safety branch circuit? . Tank-farm Monitoring of Med-Gas distribution. Panel monitoring equipment requiring a 120 Volt source and intrinsically safe low voltage monitoring equipment. c. Mobile Operating Room Connector- . Design specifications on size and location for (2) MSU's. Single connector for both MSU's will increase minimum count of fixtures in reference to lighting (5 ft-candles) required as per specifications. Location of Critical Branch Circuit distribution panel to supply lighting in connector. d. Sewer Ejection Pumps- . Ejection pumps for waste removal due to proximity and location of MSU's (may need addition electrical power for (120/208/480) volt single or 3-phase requirements). e. Room B-24-(request for preliminary approval) . Potential location for 150 KVA dry type transformer mounted indoor with a 200-Amp/600-Volt non-fusible safety service switch. . Secondary service to be installed to (2)-200 Amp 250-Volt (3-Phase 4-wire) fusible disconnects located on the exterior of Building 31.Disconnects to service individually each MSU hard wired to the power cords supplied by manufacturer. f. Additional conduits- . Underground conduits for the following: i) Equipotential Ground Loop for MSU grounding and bonding of any associated electrical panels feeding circuits in designated area from separately derived systems. ii) Telecommunications for CAT5 cable installation to a location yet to be determined. iii) Fire Alarm for on-board systems to be integrated with main Fire Alarm system of adjacent building. Specifications on system compatibility are required for MSU terminations. iv) Nurse Call locations to be connected to an existing system (Hill-Rom or other comparable system). Response: The MSU's are to be made operational by the contractor through coordination with the MSU supplier and the VA facilities infrastructure in place. As indicated in specification section 01010, the MSU's are being installed in a design/build format. 20. In reference to the walk through on May 31st there was some confusion in the scope of work based on drawings Richard Electric received. A pull box exists between building 31 and 32 for the future wiring of ATS31A-6 (a new transfer switch located in building 32), EM31 (an existing emergency panel located in building 32), and EQDP31B (a new panel board installed in the penthouse of building 31). An undetermined number and size conduits need to be known in order to have a feed and load from the transfer switch to be installed in building 32. If only one 3 ? "or 4" conduit exists then the transfer switch cannot be installed in the designated location utilizing the pull box as a route for both line and load wiring. A remote location (installed in the main electrical room in building 31) may be an alternative thereby only utilizing only one conduit in the pull box. Please advise to which options the VA would like to pursue. If the transfer switch cannot be relocated or the spare conduits are minimal then an alternate route needs to be addressed. Response: Notes being revised on the drawings. 21. Clarification on the classification (as per NFPA-70) of the following areas: Basement . SPD Contaminated Room (B-14F) . SPD Decontaminated Room (B-14C) Equipment located in these rooms may need to be classified as hazardous locations. Exhaust fan (EF-2) shows being listed as explosion proof on Drawing # 31-M-601. Panel B14-A, a transformer, and Panel B14-B are located in this same area. Please elaborate on the material located within the room and advise if the equipment needs to be intrinsically safe. Exhaust Fan (EF-2) also shows being located at the basement level on drawing # 31-EP100A and on the rooftop of drawing # 31-M-601 under the mechanical listing. Is it possible to relocate the exhaust fan outside of the ground floor room? Response: The explosion proof motor is included due to the motor being in the exhaust air stream. Drawings have been revised to indicate that the fan is mounted on the roof. 22. Section 15902 Controls and Instrumentation (DDC) refers to the control contractor's responsibility for all work including labor, and materials. Under Specifications [Part (3)/ (3.1) - Installation/ (B)-(1-7)-Electrical Wiring Installation] a reference is made to 16111, Conduit Systems and 16127, Cables for the installation of DDC. Is it the responsibility of the Electrical Contractor to provide pathways or penetrations for the Control Contractor or is this a reference to installation only? Are there any 120 Volt Electrical Dampers requiring a licensed electrician to install them? This area always seems to get overlooked on contract jobs and a clarification is necessary in order to include some labor and material for any areas that may be within our scope of work. SMRT Response: This is the responsibility of the controls contractor and their electrician. 23. I am requesting updated Electrical drawings and/or As-Builds for the following areas: . 1st Floor Building 31 . 2nd Floor Building 31 Drawings (# 31-MH102-Note 6) and (#31-M-404-Note 2-Detail (3&5)) require conduits to be relocated. In order to estimate the time and material needed and the extent of the relocation drawings are needed. A verbal explanation may help project the work involved. Response: These locations and work will require field verification of the scope. Suggest that an allowance of $2,000 be included for this work. The second referenced drawing should be #31-M-402 24. Included in the Basic Methods and Requirements (Mechanical 2.3-Electric Motors-C.) specifications, providing a time-delay relay for poly-phase motors has not been addressed. Are there any motors that require a soft start application and if so are they to be provided by the Mechanical or Electrical Contractor? Response: There are no motors that require soft starters. 25. Section [16150 (Motors)-2.1 (Motor Starters, General)-B.3] refers to the supply of control transformers (with a separate enclosure) to provide control for motors over 120 Volts. Auxiliary contacts for the Duct Smoke Detectors and fan shut down capability could be incorporated with the control transformer. Is it the responsibility of the Electrical Contractor or the Mechanical Contractor to provide these transformers? Is the Fire Alarm System capable of incorporating programmable control modules for interlock of the duct smoke detectors or is the control voltage used primarily for starter interlock? Response: Utilize starter auxiliary contacts for interlock with duct smoke detectors. 26. Drawing # 31-(EP100A) does not indicate the location of EF-5. Drawing # (31-M-601) specifies the location within the (UV-2) Mechanical Room. Information is required for size, circuit designation, location of fan, location of disconnecting means, and the location of the control unit. Response: This information to be supplied by Addendum. 27. Section [16155-(Motor Starters)-2.3-(Magnetic Motor Starters)-(D)] refers to phase loss protection to de-energize the starter in the event that one or multiple phases are lost. Is this required on all motor starters or only a select few (specifying which motors)? Response: Phase loss protection is required on all three-phase motors. 28. Drawing # (31-M-601) shows (EF-3) under the column of Variable Control Type as (VSMC). Is this a manual speed control or solid-state control as specified by the other exhaust fans under the same fan schedule? Response: See note #4 below the fan schedule on #31-M-601 drawing. The item is a solid-state speed control. 29. Drawing # (31-EP100A) shows the size of the disconnecting means to be 10 Amp rated. Are the sizes supposed to be 100 Amp based on the current draw indicated on the (H-1/H-2) Mechanical drawing information? Response: This is a typographical error and is being corrected by addendum. 30. Drawing # (31-M-601) - Fan Schedule - Notes (2) indicates a (Nema-1) Disconnect provided by the Mechanical Contractor. Drawing # (31-EP100A) specifies a (Nema-3R) Motor/Starter/Disconnect provided by the Electrical Contractor. Is the required (Nema-3R) combination Motor/Starter/Disconnect to be provided by the Mechanical or Electrical Contractor and is the (Nema-1) disconnect still being provided? Response: Starter/disconnects are the responsibility of Division 16. 31. Drawing # (31-M-601) - Fan Schedule - Notes (3) indicates an explosion proof motor with no control provided by the Mechanical Contractor. Drawing # (31-EP100A) specifies a (Nema-3R) Manual Motor Switch provided by the Electrical Contractor. Is the required (Nema-3R) Manual Motor Switch to be provided by the Mechanical or Electrical Contractor and is the location of (EF-2) to be relocated to the SPD Mechanical Room Roof for ease of installation? Response: Work required by Division 16. 32. Drawing # (31-M-601) - Fan Schedule - Notes (4) indicates a (Nema-1) Disconnect and Solid State Speed Control to be provided by the Mechanical Contractor. Drawing # (31-EP100A) specifies a Manual Motor Switch provided by the Electrical Contractor. Is the Manual Motor Switch or Solid State Speed Control to be provided by the Mechanical or Electrical Contractor and is the (Nema-1) disconnect still being provided? Response: Work required by Division 16. 33. Drawing # (31-M-601) - Fan Schedule - Notes (5) indicates a (Nema-1) Disconnect to be provided by the Mechanical Contractor. Drawing # (31-EP100B) specifies a Manual Motor Switch with thermal overloads to be provided by the Electrical Contractor. Is the Manual Motor Switch to be provided by the Mechanical or Electrical Contractor and is the (Nema-1) disconnect still being provided? Response: Work required by Division 16. 34. Drawing # (31-M-601) - Fan Schedule - Notes (6) indicates a (Nema-1) Disconnect and Solid State Control to be provided by the Mechanical Contractor. Drawings don't indicate if a Manual Motor Switch or Thermal Protection is required. Is the location (to be determined) requiring the above noted provided by the Mechanical or Electrical Contractor? Response: To be clarified by Addendum. 35. Section (15752) - Humidifiers - (23.2) - Electric Humidifiers - (E) specifies a control panel with a factory wired disconnect switch. Drawing # (EP-100A) shows a 100 Amp non-fused safety switch (H-1/H-2) provided by Electrical Contractor. Are the additional disconnecting means necessary or is the manufacturer specifications coming with a disconnecting means for the equipment. 36. Section (15752) - Humidifiers - (23.2) - Electric Humidifiers - (E) specifies a control panel with a factory wired disconnect switch. Drawing # (EP-100A) shows a 30 Amp non-fused safety switch (H-3/H-4) provided by Electrical Contractor. Are the additional disconnecting means necessary or is the manufacturer specifications coming with a disconnecting means for the equipment. 37. Section [15650 (Refrigeration Equipment (HVAC)) - Part 2 - (Products) - 2.4 - (Rotary-Screw Water Chillers) - (L)] refers to the supply of a Motor Starter with a Nema-(1) enclosure supplied by the Mechanical Contractor. Drawing # (31-EP102) shows a Nema-4X 400 Amp Fusible Disconnect with 350 Amp Fuses located on the roof. Is the Mechanical or Electrical contractor responsible for providing this disconnect? Response: Fused switch to be provided by Division 16. 38. Drawing # (31-EP100B (UV-1) and 31-EP100A (UV-2)) shows 30 Amp Non-Fusible Disconnects. Control Transformers for Interlock with the Fire Alarm Duct Smoke Detector system are not shown and the Disconnect may need to be changed with a Starter/Disconnect for shutdown purposes. Is the Electrical Contractor responsible for providing these changes? Response: Motor starters are located in motor control center MCC1E. Run wiring from duct smoke detectors to MCC1E for shut down of unit ventilator upon activation of duct smoke detectors. 39. Drawing # (31-M-602) indicates UV-5 is supplied with an Electrical Disconnect. Drawing # (31-EP100B) does not indicate location of fan or control. A control transformer may also be needed for interlock with the duct smoke detector. Is it the responsibility of the Electrical Contractor to provide the above mentioned? Response: Starter and control transformer located in MC1E. Run interlock wiring between duct smoke detector and starter. 40. Drawing # (31-EP100A) indicates (UV-6) requires a 30 Amp Motor/Starter/Disconnect supplied by the Electrical Contractor. A control transformer may also be needed for interlock with the duct smoke detector. Is it the responsibility of the Electrical Contractor to provide the above mentioned? Response: The specifications call for all starter/disconnects to have control transformer and auxiliary contacts. 41. Drawing # (31-EP100B) indicates (UV-7) requires a 30 Amp Motor/Starter/Disconnect supplied by the Electrical Contractor. A control transformer may also be needed for interlock with the duct smoke detector. Is it the responsibility of the Electrical Contractor to provide the above mentioned? Response: UV-7 does not require a duct smoke detector. I am requesting reflected ceiling drawings (existing and new) for the following areas: Basement . SPD Storage (B-16) . SPD Storage (B-15) . SPD Bulk Storage (B14A) . Office (B-14B) . Room (B-02) 2nd Floor . Dictation 258 . Locker Room 259 . Locker Room 260 . Operating Room 253 . Operating Room 254 . Toilet 259A . Shower 259B . Toilet 260A . Shower 260B . Corridor C-2-8 . Corridor C-2-9 . Corridor C-2-10 Without these drawings there is no way to estimate the time and material involved in the removal and relocation of any fixtures, exit lights, smoke detectors, Nurse Call, or intercom systems in the demolition phase of building 31 HVAC improvements. Response: Does the VA have this information? If not, suggest that the contractor provide a $5,000 allowance for this work. 42. I this a tax exempt project? Response: No 43. Will there be a staging area and where will it be located? Response: It will be determined at a later date.
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