B700 Pre-Proposal Questions and Answers 27 Jul 2021.xlsx
XLSX spreadsheet 21 KB Posted
- Attached to
- Repair Maintenance Hanger, Bldg 700
- Solicitation number
- FA441821R0015
About this file
This document contains questions and answers related to a federal solicitation for repair and maintenance work on Hangar B700 at Charleston Air Force Base. The solicitation is issued by the Department of the Air Force Air Mobility Command for repair and maintenance services on the hangar, including repair and replacement of asphalt paving, installation of new structural columns and foundations, and painting services. Questions from prospective bidders involve clarification on certification and experience requirements for quality control personnel, the need for engineered design of metal floor gratings, and requests for additional specification sections and drawings. Answers provided by the contracting officer aim to clarify requirements and direct bidders to attached documents as needed.
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Sheet1 JB Charleston Bidder Inquiry Form DKFX 1051184 EXPLANATION TO PROSPECTIVE BIDDERS (APR 1984) Any prospective bidder desiring an explanation or interpretation of the solicitation, drawings, specifications, etc., must request it in writing soon enough to allow a reply to reach all prospective bidders before the submission of their bids. Oral explanations or instructions given before the award of a contract will not be binding. Any information given a prospective bidder concerning a solicitation will be furnished promptly to all other prospective bidders as an amendment to the solicitation, if that information is necessary in submitting bids or if the lack of it would be prejudicial to other prospective bidders. (Reference FAR 52.214-6)
| Solicitation Number | FA4418-21-R-0015 |
| Project Name: | Rpr. Maintenance Hangar B.700 |
| # | Specification Reference (Section & Paragraph Reference, i.e. 23 00 00, para 1.3) | Drawing Reference (Sheet and Detail or Note Reference, i.e. M-101, Detail 2) | Solicitation Reference (Section, paragraph, sub-paragraph Reference, i.e. Section M, Paragraph 2.3) | Attachments or Other (i.e. Submittal Register, Wage Determination, Site Visit Note, etc.) | |
| 1 | Question | ||||
| 00 31 26 para 1.2 | Spec section 00 31 26 para 1.2 Proposers Responsibility states that the document produced by S&ME is for the Proposers information. The Government shall not be responsible for any interpretation of, or conclusion drawn from , the data or information by the proposer. Is the successful offerer to propose to complete a full lead and asbestos survey on the facility? | ||||
| Answer | |||||
| A survey for the presence of Lead/Asbestos is required in all areas that will be affected by work on the project. The contractor shall remove/dispose of material in accordance with all laws and regulations. | |||||
| 2 | Question | ||||
| 01 45 00 1.5.1.2 | Spec section 01 45 00 para 1.5.1.2 states that an individual with a minimum 10 years combined experience as a Superintendent, inspector, QC Manager, or Construction Manager on similar size and type consturction. Will the government entertain an individual with 5 years experience? | ||||
| Answer | |||||
| Bid in accordense with contract documents. | |||||
| 3 | Question | ||||
| 01 45 35 | SD-01 Preconstruction Submittals calls for the submission of a Special Insections Project Manual. Is there an example of this available? | ||||
| Answer | |||||
| Referrence page 199, Schendule of Special Inspection Services | |||||
| 4 | Question | ||||
| 01 50 00, para 2.2.2, and, 3.5.3 | Spec 01 50 00 para 2.2.3a. Enclose the entire contractor lay-down area with a 8ft high chain link fence and gates with brown, UV light resistant, plastic mech netting (similar to tennis court or other screening) Remove the fence upon completion and aceptance of the work. Intent is to bloc (screen) public view of construction. Para 3.5.3 calls for 6' high chain link fence around trailers and materials. Inculde plastic strip inserts colored brown, so that visibility through the fenc is obstructed. Can mesh fabric screen be used in lieu of plastic inserts? Is fence required to be 6ft or 8ft high? Since alot of the work will be abouve the height of the fence wouldbarriers be better solution? Fences on the fligh line are huge wind catchers and difficult to maintain. | ||||
| Answer | |||||
| 1. If the contractor proposed material is of equal or better quality, the contractor may use the proposed material. 2. Bid in accordense with contract documents. 3. Bid in accordense with contract documents. | |||||
| 5 | Question | ||||
| 03 30 00 1.6.7 | Spec 03 30 00 1.6.7 States submit American Concrete Institute Certification for the Following: A) cqc personnel responsible for insepction of concrete operations. B) Lead forman or Journeyman of the Concrete Placing, Finishing, and Cring Crews. C) Field Testing Technicians: ACI Concrete Field Testing Technician, Grade I. Can this be part of the special inspections? Can this inspection be completed by the regular QC Manager? |
| Items A, B, and C are not part of the Special Inspection Services (referrence page 345). QC Manager must meet the qualifications in section 03 30 00 1.6.7.1 Quality Manager Quaificatoins. | ||||||
| 6 | Question | |||||
| 03 30 00 1.6.7.1 | Spec 03 30 00 1.6.7.1 States the quality manager must hold a curent license as a professional engineeer in a U.S. State or territory with experieince on at at least (5) similer projects. Will someone with experience without a PE be accepted? | |||||
| Answer | ||||||
| Bid in accordense with contract documents. | ||||||
| 7 | Question | |||||
| S-101, Spread Footing Schedule | Sheet S-101 Spread Footing Schedule has no information provided in it. Will a Spread Footing Schedule be Provided? | |||||
| Answer | ||||||
| Spread Footing Schedule (Attachment S101) | ||||||
| 8 | Question | |||||
| 05 50 13, Para2.3 | S102 | Spec 05 50 13 Para 2.3 states design steel grating in accordance with NAAMM MGB 531NAAMM MBG 532 for bar type grating or manufactureres charts for plang grating. Galvanize steel floor gratings. Sheet S102 states Provide 1- 1/4" open metal grating (HDG). Non-Serated. Grating loading req's = 150-PSF LL, 300-LB concentrated load at any point. Is a engineered design required for this material? | ||||
| Answer | ||||||
| Contract must verify Floor Gratings is in accordance with NAAM MBG 531NAAMM MBG 532. | ||||||
| 9 | Question | |||||
| 09 90 00 Para 1.3.2 | Spec 09 90 00 Para 1.3.2 states all contractors and subcontractors that perform surface preparation or coating application shall be certified by the Society fro Protective Coatings to the requirements of SSPC QP1 prior to contract award and shall remain certified while accomplishing any surface preparation or coating applicaiton. Is this required for all painting? | |||||
| Answer | ||||||
| Yes | ||||||
| 10 | Question | |||||
| Sheet S101, Note 102 | Sheet 101, Note 102 States remove and replace existing asphalt paving as needed to install new columns and foundations. Provide new asphalt to match existing adjacent asphalt. Coordinate with Arch'ls and civil for slopes and drainage requirements. There are no civil drawings included with the bid documents. Will one be provided? There is existing vegetation in the area that will likely need to be removed as well as existing bollards, a vent pipe, and pit with lid, none of which are not shown on the plans. Are the bollards to remain and the footings and slab be poured around them? | |||||
| Answer | ||||||
| Attachment S101, AD100 and A101 | ||||||
| 11 | Question | |||||
| Sheet S000, Post Installed Structural Notes #1 | Sheet S000 Post Installed Structural Anchors, Note 1. All post installed structural anchors shall conform to specification section 050520="post installed structural anchors". I don't see this section in the bid documents please clarify. | |||||
| Answer | ||||||
| Omit reference to specification section 050520. Post installed anchors shall be installed per the manufacturer's requirements and shall meet the requirements of the construction documents. The GC shall submit the manufacturer's data and ICC reports for each product being used and include installer certificates for Government approval. | ||||||
| 12 | Question | |||||
| Sheet S000, Contractor Notes, Note #7 | Sheet S000, Contractor Notes, Note7. All Flashing and Waterproofing is by others, not apart of ADC's Scope of Work. Is this a part of another scope? | |||||
| Answer | ||||||
| Yes | ||||||
| 13 | Question | |||||
| Sheet S000 Stuctural Steel Framng Note #3. | Sheet S000, Structural Steel Framing, Note 3. States All Architecturally Exposed Structural Steel (AESS) Shall conform to specification section 051213-"Architecturally exposed structural steel framing" This spection is not in the bid documents. | |||||
| Answer | ||||||
| See attachment S000, Note 3 has been deleted. | ||||||
| 14 | Question | |||||
| • | Attachment 2 Design Narrative Maintenance Hangar B700 | |||||
| • | Attachment 1 Specs Repair Aircraft Maint Hangar B700 | Question 1: See attachment 2; page 41 of 62 “Exposed ductwork shall be double wall with a solid inner core and 1” liner insulation”. The Exposed duct in Building 700 (See drawing M501 for example) is rectangular.Attachment 1 Division 23 only provides specifications for “Double Wall Round Duct”Please provide specification for “Double Wall Rectangular Duct” | ||||
| • | Attachment 1 Specs Repair Aircraft Maint Hangar B700 | Answer | ||||
| Specificaton for "Double Wall Rectangular" will be provided. | ||||||
| 15 | Question | |||||
| Can you please provide GPMs for the existing unit heaters for appropriate control valve sizing? | ||||||
| Answer | ||||||
| As-builts indicate Unit Heater hydronic heating value at 85 GPM. | ||||||
| 16 | Question | |||||
| On M101, note 1, it says "Provide new valves, temperature sensors go. Can you please expain where these will be located. | ||||||
| Answer | ||||||
| See Attachment. | ||||||
| 17 | Question | |||||
| SF 1442, #13 | Several manufacturers that produce what is necessary to produce the hanger suppression ugrades are either shutting down or going to skeleton shifts next week and not reopening with full support until the 5th, with this in mind we do not believe there is enough time between now and the 5th to get all material pricing needed. Is the government willing and or able to post-pone solicitation bid date? | |||||
| Answer | ||||||
| Yes, see amendent # 1. Extending the due date form July 14 to August 2. | ||||||
| 18 | Question | |||||
| Contractor has 3 SC Roofing Contractors who would like to visit the site before suppling a bid number. | ||||||
| Answer | ||||||
| The roof subcontractor should work through a GC to request a site visit. | ||||||
| 19 | Question | |||||
| Contractor would like permission to supply a PVC bid number as an alternate, Sika/Sarnafil and Sarnafil PVC Membrane is an approved manufacture of the DOD and USAF, contractor can provide supporting documentation if requested. | ||||||
| Answer | ||||||
| After award of the contract, I encourage you to read Section 01 33 00, paragraph 1.6.1 for submitting variations to the contract documents. The awarded contractor will have to submit an RFI to request to vary from Specification 07 41 13 – Metal Roof Panels and provide your PVC System instead. | ||||||
| 20 | Question | |||||
| 23 09 23.02 | Is it the intent of the Government that this is a flat spec for Trane Tracer DDC - with no alternates accepted. If not, will Trane be responsible for the integration of the BACnet DDC System (as specified) in building 700 for this project? If Trane is not responsible for the integration of the BACnet DDC System on this project. Can you please provide a name , phone number, or contact person for Trane Company to get software, password, and other information needed to log into the existing Trane System to perform the integration? | |||||
| Answer | ||||||
| The DDC system shall be fully compatible with the existing basewide Trane Tracer DDC controls system. | ||||||
| 21 | Question | |||||
| Are the existing walls in the rooms to receive new acoustical ceilings to be painted? | ||||||
| Answer | ||||||
| All interior walls will be painted. | ||||||
| 22 | Question | |||||
| UFC 4-211-01 | Request a variance to the explicit UFC coverage requirements as described below and shown on the attached drawing. | |||||
| Answer | ||||||
| AFCEC & JBC does not deviate from the UFC requirements. | ||||||
| 23 | Question |
Answer
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