Questions_0002.pdf

Questions & Answers – 140P5323R0043

• Verify no work to be performed on North Pavilion located near sound. From the drawings it shows the steps but not the pavilion decking or seating? Steps and approx.

108 LF of seating will be replaced. See sheet C106.

• Verify Contractor will be responsible for all debris removal and material shipments to and from the island? Confirmed

• Verify the design intent is to leave the posts and replace the beam, joists, and decking per the typical details shown on sheet C111? Confirmed.

• Is there a formal SOW for the project or just the drawings and specifications? Drawings and Specifications

• At the site visit it was discussed to include a 2% post replacement allowance in the bid as the majority of the posts are to remain. Please confirm? Confirmed.

• For any new posts that are required to be installed with the contractor be required to install them in concrete? No

• Will the contractor be allowed to use the restrooms at the site in the offseason or do we need to provide our own sanitary facilities? Contractor will be allowed to use the restrooms on site. However, restrooms will be closed during periods of extreme cold weather (low temperatures less than 30 degrees) and will be unavailable for use.

• Will the contactor be allowed to work on the weekends? Yes.

• There is a large section of boardwalk extending north from the gift shop to the ORV parking area that is not shown on the drawings. It also includes a pavilion at the end of it near the ORV parking. Is this to be included in the SOW to be performed? This area will NOT be included.

• Shall the contractor be responsible for reinstalling the wayside signage along the trail?

Yes.

• At one time there was a wooden bridge at the road crossing near the ocean. It is undetermined if this is still in place due to the elevation of the sand. If in place is the contractor to remove it, reconstruct it, or shall the contractor terminate the new boardwalk at the road? Contractor will leave any potential current structure in place that is covered by the sand road and will NOT replace it. Boardwalk will continue from East side of road as per drawings in solicitation.

• Verify the NPS will mark all trees to be protected near the areas of work prior to work commencing? Confirmed.

• When vegetation and trees near the work area are removed for access will the contractor be required to haul any trees or vegetation from the island or can it be left somewhere on the island? Green waste to include small trees undesignated for protection can be placed on either side of the work area but not within 15 feet of the boardwalk. Government will be responsible for collection and disposal as necessary.

• Since the majority of the posts are being reused and the sizes vary from 4x4, 4x6, and 6x6 depending on the location is the NPD concerned of drilling additional anchor bolts in the smaller posts for attachment as they will likely be near the existing bolt locations that are removed? Contractor will assess posts and replace if the drilling of additional will weaken the posts to the point that they are not going to be able to carry the load.

• For the sections of the boardwalk that is required to be raised to the existing dune line will; should new posts be required to meet the elevations, will the new posts be out of the 2% post allowance or are will the contractor be expected to provide these outside the post allowance? These posts will exceed the 2% post allowance and will be provided by contractor.

• Does the contractor need to provide temporary measures to maintain access to the building during the boardwalk renovation at the Gift shop and Restrooms as there may be a small portions of time the decking/joists are missing to access these buildings to cover the General note stating “access to all buildings during construction shall be maintained and open to emergency vehicles…”? Contractor will ensure at least one restroom is accessible during construction period if restrooms are not already closed due to extreme cold weather conditions. Contractor will inform COR if one restroom is closed for construction purposes so government can inform public that the other open restroom is not gender specific.

• The drawings call to re-vegetate areas of disturbance but are not specific to which type of planting will be required. Please clarify and quantify what type of plantings that will be required at the disturbed areas and if there will be different requirements for the areas at the sound side vs oceanside of the boardwalk? Re-vegetation of disturbed areas is NOT required. However, areas will be graded to match surrounding landscape.

• Will stainless or aluminum handrails also be required on sloped sections of the boardwalk at the handrail locations for ADA? CONTRACTOR SHALL INSTALL RAILING AT ALL STEPS, WALLS OR DECKS THAT EXCEED 30" OR HIGHER FROM FINISHED GRADE. See notes in drawings - sheet 12/12

• Will stainless or galvanized bolts be required at the beam and post connections?

Stainless bolts will be required.

• Is a particular diameter bolt preferred for handrail post attachment? See specifications and detail drawings - they vary depending on application.

• Should the required joist hangers and accessories required be Stainless Steel or Galvanized? Stainless hangers and accessories.

• The general notes call for all fasteners to be double hot dipped galvanized and stainless at other notes. Shall the contractor use stainless steel or galvanized fasteners? Stainless fasteners will be used.

• Will the NPS want new thresholds at the door openings where it needs to be removed to install the new decking or shall the contractor reinstall the existing thresholds? New thresholds will be installed.

• Will a specific manufacture or color of composite decking be required by the NPS? If so, please advise what will be required. Please see specifications: A. Structural Performance: D6662 Standard Specification for Polyolefin-Based Plastic Lumber Decking Boards, D6712 Standard Specification for Ultra-High-Molecular-Weight Polyethylene (UHMWPE) Solid Plastic Shapes

• 1. Deck: Uniform Load - An allowable span of 16 inches o.c. and 100 lbf/sq. ft.

• Issued: September 23, 2022

• 2. Tread of Stairs : Concentrated Load: An allowable span of 12 inches o.c., and 750 lbf-,

• and 1/8" max. deflection, with a concentrated laod of 300 lbf on area of 4 sq. in.

• Fire-Test Response Characteristics per ASTM E-84, Flame-spread Index of 70..

• The joist o.c. spacing is not noted on the drawings but depending on the decking installed it may be required to be 12” o.c. to maintain code compliance for a commercial application. Please advise desired o.c. spacing for the new joists for bidding purposes?

Must meet code, but is dependent on manufacturer recommendations for the decking.

• Verify staggard decking is acceptable at the large areas of the boardwalk or will a pattern be desired? Staggered is acceptable.

• Will transition boards be desired at the various boardwalk sections to break up each section of decking? Yes.