Attachment_0009__Questions_and_Answers_0002.pdf

Rehabilitation of the Maintenance Complex Roofs

Chickamauga and Chattanooga National Military Park

Questions and Answers Solicitation 140P5126R0004

Question 1: The solicitation references repairing the gutter system. Please clarify whether existing gutters and downspouts are to be repaired, selectively replaced, or completely removed and replaced with new faux copper gutters and downspouts.

Answer: Replaced with new faux copper for gutters and downspouts.

Question 2: Is the metal overhang/canopy located above the large garage doors on Roof Areas A and B included in the replacement scope? If so, is replacement required with faux copper materials? (See attached photographs.)

Answer: Yes, it is being replaced with faux copper.

Question 3: "The solicitation indicates that existing slate shingles are to be sounded and salvaged for reuse. In areas where salvaged slate is insufficient following asbestos-cement roof abatement, does the Government require the Contractor to:

- Source salvaged slate shingles for replacement; or

- Furnish and install new slate shingles matching the existing roof?"

Answer: Everything will be replaced with faux slate shingles. Nothing will be salvaged.

Question 4: Please identify all existing copper/faux copper components included in the project scope, including but not limited to gutters, downspouts, conductor heads, eave flashing, rake flashing, ridge flashing, valley flashing, canopy/overhang coverings, and wall flashings.

Answer: Everything that is mentioned will be faux copper except for the places that are butted up against the building, the ridge eaves will be real copper. There are only 2 spots.

Question 5: Is the canopy/overhang assembly above the maintenance bay doors included in the roofing replacement scope? Yes If included, identify the required replacement materials and extent of replacement.

Answer: Faux copper on the roof part.

Question 6: "If salvaged slate quantities are insufficient, shall replacement slate be:

- reclaimed slate,

- new natural slate,

- synthetic slate,

- or another approved substitute?"

Answer: Faux slate

Question 7: Does ownership of salvaged slate remain with the Government, or may excess salvageable slate be disposed of by the Contractor?

Answer: Please dispose of it appropriately; we do not need anything.

Question 8: What quantity of roof sheathing replacement should bidders carry in their proposals, or is all sheathing replacement considered incidental to the lump sum bid?

Answer: Up to 20% of the roof sheathing shall be replaced. Either by each roof or as a whole. It comes out the same.

Question 9: Have all roofing details, flashing details, slate replacement methods, and metal finishes been approved by the applicable Historic Preservation authority, and will approved submittals be provided to the successful contractor?

Answer: Faux slate for shingles and copper downspouts, gutters, etc. are approved. Match the color of slate that is already present on roofs. Everything will be approved by the park.

Question 10: Where faux copper is specified, please identify the required manufacturer, coating system, color, and finish.

Answer: Faux copper color. Contractors find manufactors

Question 11: Other than the asbestos-cement roofing identified in the solicitation, are there any additional known hazardous materials within the project area?

Answer: No known information from the park.

Question 12: Are there any special disposal, transportation, or reporting requirements beyond applicable federal, state, and local regulations for asbestos-containing materials?

Answer: In accordance with the specification.

Question 13: Will the maintenance complex remain fully operational during construction, and are there any restrictions on roof access, staging areas, parking, or material storage?

Answer: Maintenance compound will remain functional except for the workspaces underneath while that roof is getting torn off. The employees will need efficient notice so they can plans to telework with their supervisors. At least one week notice. There will be staging areas for each section. The park will discuss those when contract is awarded but it will be very accessible to the contractor.

Question 14: Will extended hours or weekend work be permitted if requested by the Contractor?

Answer: Depends on the time and dates of work. But overall, should not be a problem.

Question 15: Please provide a roof area schedule identifying the existing roofing material at each roof section and the anticipated replacement roofing material for each corresponding roof section.

Answer: Faux slate matching the color that preexists.

Question 16: Building F is not identified in the Hazardous Material Plan as containing ACM roofing. Please confirm whether Building F contains asbestos-containing roofing materials.

Answer: Building F has been replaced in the last 15 years. It does not contain asbestos.

Question 17: If Option B (Buildings D+E) is exercised, is the asbestos abatement quantity included entirely within the option pricing, or should any mobilization/demobilization costs be allocated to the base bid?

Answer: It should be included.

Question 18: The solicitation references "repairing the gutter system." Please clarify whether gutters and downspouts are to be repaired, selectively replaced, or completely replaced with new faux copper gutters and downspouts.

Answer: Gutters and downspouts will be replaced with new faux copper.

Question 19: The drawings identify Building G as the Base Bid and Building F as an Option;

however, the buildings appear to be physically connected and share roof intersections, transitions, and flashing interfaces.

Answer: Bid Building F also. It will be replaced.

Question 20: Building G (Base Bid) and Building F (Option) Roof Interface

Reference: Drawing Sheets A1.0 and A1.1

Please clarify how the Government intends the work to be phased if only the Base Bid is awarded.

Specifically:

1. Can Building G be completed independently without impacting Building F?

Answer: No, bid building F also

2. What temporary tie-in, waterproofing, flashing, or weatherproofing measures are required at the interface between the Base Bid and Option areas if the option is not exercised?

Answer: This does not matter because you are bidding Building F also.

3. If additional work is required to provide a complete and watertight transition between the Base Bid and Option areas, should bidders include this work in the Base Bid?

Answer: This does not matter because you are bidding Building F also.

4. Please provide a detail or narrative describing the intended condition at the interface if Building F is not awarded.

Answer: This does not matter because you are bidding Building F also.

Impact: Constructability, weatherproofing, phasing, and bid pricing.

Question 21: Roof Sheathing Replacement Quantities, Reference: Scope of Work, Drawings, and Specifications

The contract documents require removal and replacement of rotted roof sheathing; however, no estimated quantity or allowance has been identified for bidding purposes.

Please clarify the following:

1. What quantity of roof sheathing replacement is anticipated by the Government? 20%

2. Is there an estimated square footage or percentage of roof sheathing expected to require replacement? 20%

3. Should bidders carry a specific allowance for sheathing replacement? Yes up to 20%

4. If actual quantities exceed the Government's anticipated amount, will additional compensation be provided through a contract modification? Yes Any Quanty that exceeds the government amount will be reviewed by the government and the contractor for an agreed amount and consideration of a modification.

Impact: Material quantities, labor costs, schedule impacts, and bid pricing.

Question 22: Salvage and Reuse of Existing Slate Shingles

The contract documents state that existing slate shingles are to be sounded, salvaged, and reused where required; however, the drawings and specifications do not clearly identify the anticipated quantities, locations, or acceptance criteria for salvaged materials.

Reference: Scope of Work, Drawings, and Specifications

Please clarify:

1. Which slate shingles are intended to be salvaged?

Answer: None

2. What quantity or percentage of slate shingles is anticipated for reuse?

Answer: None

3. What criteria will be used to determine whether slate shingles are suitable for reuse?

Answer: No slate shingles will be salvaged or reused.

4. Who will make the final determination regarding suitability for reuse?

Answer: No slate shingles will be salvaged or reused.

5. Where shall salvaged materials be stored during construction?

Answer: No slate shingles will be salvaged or reused.

6. What is the required disposition of salvaged materials not incorporated into the final work?

Answer: No slate shingles will be salvaged or reused.

Impact: Material quantities, labor requirements, storage requirements, and bid pricing.

No items needed, please dispose appropriately.

Question 23: Ice and Water Shield Requirements, Reference: Drawings and Specifications

1. Please clarify the required extent of ice and water shield installation for this project.

2. Specifically:

3. Is ice and water shield required only at eaves, valleys, ridges, penetrations, and roof transitions? The whole roof system

4. Is ice and water shield required beneath the entire roof area of all buildings? Yes

5. If full coverage is required, please identify the applicable specification section and drawing details. On every building in the compound that is being replaced.

6. If partial coverage is required, please identify the exact locations and minimum dimensions.

Impact: No partial coverage. It will be the whole roof.

Material quantities, labor costs, and bid pricing.

Question 24: Eaves, Gutters, and Downspouts, Reference: Drawings and Specifications

Please clarify the intended scope regarding existing eaves, gutters, and downspouts.

1. Are existing gutters and downspouts to be repaired, salvaged, or completely replaced?

Answer:

All gutters and downspouts are being replaced with new faux copper. If gutter hangars are involved in the gutter system, then I would say yes. Don’t worry about trim and soffit and facia.

2. If replacement is required, please identify the required material type (copper, aluminum, galvanized steel, or other).

Answer: Faux Copper

3. If replacement is required, please provide required gauge, profile, finish, and color requirements.

Answer: Faux Copper 6 inch gutters

4. Are fascia boards, soffits, trim, and associated accessories to be replaced where deteriorated?

Answer: Only where is it necessary for the roof system to be watertight. Please break down all bids to its fullest such as tear off/disposal, then on replacements, list each material separately, etc. Just do not put Materials with a price attached. Define each material being used.

5. Are gutter hangers, brackets, and fastening systems included in the replacement scope?

Impact: Material procurement, detailing, and bid pricing.

Answer: Gutter hangars/brackets are required.

All gutters and downspouts are being replaced with new faux copper. If gutter hangars are involved in the gutter system, then I would say yes. Don’t worry about trim and soffit and facia.

Question 25: Asbestos Disposal Requirements, Reference: Asbestos Survey, Specifications, and Scope of Work

Please clarify the requirements for transportation and disposal of asbestos-containing roofing materials.

1. Is a designated disposal facility required by the Government? No

2. Are there any restrictions regarding transportation routes or disposal locations?

Answer: No, not on park property.

3. Are waste profiling and disposal documentation requirements limited to applicable regulatory requirements, or are additional project-specific requirements anticipated?

Answer: Regulatory requirements

4. Is there a Government-provided estimate of asbestos-containing material quantities for disposal?

Answer: see attachment 0001 specification for Asbestos Survey/Inspection Report.

Impact: Disposal costs, transportation costs, and bid pricing.

Answer: Contractors are responsible for ensuring asbestos removal and transport is handled correctly and legally.

Question 26: Extended Work Hours, Reference: Section 01 00 00 – Summary

The Contractor requests approval to perform work between 7:00 AM and 7:00 PM, Monday through Saturday, in order to facilitate efficient completion of the project within the contract duration.

Please clarify:

1. Will the Government approve a regular work schedule of 7:00 AM to 7:00 PM, Monday through Saturday?

Answer: No

2. Are there any restrictions associated with noise-producing activities?

Answer: No

3. Are there any seasonal, visitor-related, or operational restrictions that would affect these hours?

Answer: No

4. Is advance notice required for extended work hours?

Answer: Yes, at least 1 week, including weekends.

Working 12-hour days isn't feasible, but 10-hour shifts are acceptable. There are no issues with noise or neighbors. Weekend events vary. Coordinate details with the contractor upon award.

Impact: Project schedule, labor productivity, and completion risk.

Question 27: Previous Site Visit Questions and Clarifications, Reference: Solicitation

Please provide copies of all questions, answers, RFIs, meeting minutes, clarifications, correspondence, and other information generated from previous site visits associated with this solicitation

Providing this information will ensure all offerors have equal access to project information and can prepare bids based upon the same understanding of project requirements.

Impact: Bid accuracy and consistency among offerors.

Answer: All project documents will be uploaded to SAM.gov.

Question 28: Contract Document Precedence, Reference: Drawings, Specifications, Scope of Work, and Supporting Reports

The contract documents include requirements contained within the Scope of Work, Drawings, Specifications, and supporting reports.

Please clarify the order of precedence between these documents in the event of a discrepancy or conflict.

Specifically:

1. Which document shall govern for bidding purposes?

Answer: In the event of a conflict between the report, drawings, or specifications, the drawings and specifications will take precedence.

2. Which document shall govern for construction purposes?

Answer: The drawings and specifications will take precedence.

3. Do the Drawings and Specifications govern over supporting reports, surveys, and narrative descriptions?

Answer: See Specification 1.7 Special Construction requirements for any additional reports.

Impact: Scope determination, bidding consistency, and contract administration.

Question 29: Building Occupancy During Construction, Reference: Section 01 00 00 – Summary

The specifications indicate Government occupancy will continue during construction.

Please clarify:

1. Which buildings will remain occupied during construction?

Answer: All buildings will remain occupied unless being worked on. Ample notice must be given so employees can make other plans. At least one week notice.

2. Are there any areas requiring continuous access?

Answer: The Law Enforcement Offices.

3. Are temporary closures permitted?

Answer: Yes, until asbestos is removed and contained.

4. Are there any blackout periods when work cannot be performed?

Answer: Not currently.

5. Are there any operational restrictions associated with occupied facilities?

Answer: Employees must be able to enter and exit compound at any given time.

Impact: Project sequencing, access planning, and productivity.

End of Question and Answers