B09_Q_A_Form_140P8121R0010_final_0001.docx

140P8121R0010 – Boulder Beach Lodge Demolition Project Questions and Answers (Q&A) Q.1 Is there fill material available onsite? If available, is there a charge for it?

A.1 Refer to specification sections “02 23 00 – SITE CLEARING” and “31 20 00 – EARTHWORK” for topsoil stockpiling and additional backfill requirements. No additional onsite fill material, beyond stockpiled topsoil from contract activities, will be available to contractor.

Q.2 Are the utilities privatized? Are there any fees for the disconnection?

A.2 Water and sewer utilities are owned and operated by Lake Mead NPS Utilities Division. Electrical services are provided by NV Energy. NPS to pay NV Energy for transformer disconnection and removal fees. Contractor to verify all services have been shut off and coordinate sequencing with NV Energy.

Q.3 Is water available at each location within 50 feet?

A.3 Refer to specification section “01 50 00 - TEMPORARY FACILITIES AND CONTROLS” (Section A. 1.)

Q.4 Will backflow prevention devices be required at sources of water?

A.4 Refer to specification section “01 50 00 - TEMPORARY FACILITIES AND CONTROLS”

Q.5 Please provide confirmation as to whether metals and machinery can be salvaged or if the installation is retaining these?

A.5 All demolition debris, including metals and machinery shall become the property of the contractor. All materials shall be disposed of legally off site. Metals and machinery may be salvaged or recycled per local ordinances.

Q.6 Are there any specific guidelines that include the handling of C&D and ACM waste?

A.6 Contractor to conform to all Clark County, State of Nevada, and Federal regulations regarding C&D and ACM waste handling. Contractor to verify sizing and processing requirements with waste disposal facility(ies) where contractor will legally dispose of all material removed from the site. Contractor is responsible for refrigerant harvest and disposing in a legal manner.

Q.7 Is the contractor required to hire a third-party air monitor for asbestos abatement or will they be hired by NPS?

A.7 Contractor to contract and provide for any asbestos abatement scope. See specification section “02 82 00 – ASBESTOS ABATEMENT”. Yes. Contractor shall follow all Clark County Air Quality requirements and the Nevada OSHA oversight of Asbestos Abatement as part of the Clark County Air Quality requirements.

Q.8 Is there any UXO or any other special hazardous compliance requirements (CERLA, LBP, PCB, etc.)?

A.8 To Lake Mead NRA’s knowledge, there are no UXO’s or CERLA within the project site. LBP and PCBs were abated per the previous abatement contract. PCB’s are noted regarding the NV Energy transformers.

Q.9 Can concrete be used for backfill?

A.9 No, concrete may not be used for backfill.

Q.10 If concrete can be used, are there analytical requirements prior to use as backfill?

A.10 Not applicable – concrete may not be used for backfill.

Q.11 If concrete can be used for backfill, is there a maximum size/gradation requirement for those materials?

A.11 Not applicable – concrete may not be used for backfill.

Q.12 Is there any constraints in recycling of painted concrete?

A.12 Contractor to verify sizing and processing requirements with waste disposal facility(ies) where contractor will legally dispose of all material removed from the site.

Q.13 Do all onsite personnel need to be US Citizens?

A.13 Contractors are required to follow the Department of Labor Employment and Training Administration guidelines. Please go to https://www.dol.gov/.

Q.14 Is it the intention of NPS to stabilize the disturbed areas with grass or gravel?

A.14 Any revegetation scope will be completed by NPS and is not part of this contract. Contractor to rip trenches as identified in specification section “31 20 00 – EARTHWORK” and drawings in preparation for revegetation efforts by park staff. Any further stabilization will meet Clark County Dust Control permit requirements.

Q.15 If grass, what is the required grass mix for this project?

A.15 Any revegetation scope will be completed by NPS and is not part of this contract. Contractor to rip trenches as identified in specification section “31 20 00 – EARTHWORK” and drawings in preparation for revegetation efforts by park staff. See above.

Q.16 How are asbestos workers characterized for wage purposes?

A.16 ASBE0135-002 07/01/2020 Rates Fringes ASBESTOS WORKER/HEAT & FROST INSULATOR. This requirement is subject to the Davis Bacon Act. See attachment- General Decision Number: NV20210038 04/30/2021 in the RFP attachments.

Q.17 Confirm there are no sizing or processing requirements (other than it has to fit in the truck) for ACM or C&D to be disposed at the landfill(s).

A.17 Contractor to verify sizing and processing requirements with waste disposal facility(ies) where contractor will legally dispose of all material removed from the site. Contractor is responsible for all County and State requirements for hauling and trucking of materials.

Q.18 Please issue the contractor sign in sheet from the site visit.

A.18 Site Visit sign-in sheet attached.

Q.19 Do contractors need to perform ACM/ORM/LBP surveys for this project?

A.19 Asbestos -Containing-Materials, Operational Risk Management, Lead-Based-Paint surveys are required. See specification section “02 82 00 – ASBESTOS ABATEMENT” and the Asbestos Survey exhibit document.

Q.20 Could the NPS provide the as-builts/drawings including utilities?

A20 Drawing exhibits revised to include NV Energy electrical utility plan. All other utilities are shown on the provided drawing exhibits which are to the best of NPS’s knowledge. Contractor responsible for all “Call Before You Dig” and other utility location verification activities necessary to protect or demolish utilities as specified on plans.

Q.21 How deep are the foundations to be removed?

A.21 Building slabs are assumed to be 6” thick.

Q.22 Do the contractors remove the foundation up to a certain depth or do we have to remove all the foundation?

A.22 Contractor to remove foundations up to 36”.