Atch_2__SOW_P5523R0003.pdf

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Statement of Work

For

Recreational Vehicle Administration Sites and Septic System and Utilities

Cape Hatteras National Seashore

Hyde County

Ocracoke, North Carolina

December 2022

GENERAL

This project shall create ten (10) new recreational vehicle (RV) sites with water, electric, and sewer hook-ups

(the combination now referred to as full hook-ups), and all associated roadways, curbs, parking, and patio areas as per the specifications defined in this document and appendices. This project includes the permitting and construction of all new water, sewer, and electric utilities to build ten (10) new RV sites. All work must comply with International Building Code (2021). The address for the project site:

101 NPS Road, Ocracoke, North Carolina, 27960

1.0 EXISTING CONDITIONS

The project area is within the boundary of Cape Hatteras National Seashore (Seashore) a unit of the National

Park Service. It is surrounded by the unincorporated village of Ocracoke, on Ocracoke Island in Hyde County, North Carolina in a location adjacent to the Seashore’s maintenance shop and government housing area. The site has some existing utilities such as water lines and overhead electrical service connected to an existing meter base and panel box (see EXHIBIT A Ocracoke Administrative RV Site Plan, Existing Infrastructure). Abandon underground electrical service, septic tanks, plumbing, and lift station also exist. A paved one lane road named

NPS Road leads into the housing and maintenance area and provides access to the project area. On the other side of the project area another one lane paved road name Water Plant Road leads to three existing RV sites and provides access to the project area. The overall all area of the construction site is just under one acre and is mostly open and sandy with some grass, weeds, trees, and shrubs.

2.0 STATEMENT OF WORK

• The contractor will supply all the labor, supervision, equipment, and materials necessary for the development and construction of a new recreational vehicle (RV) area that meets the specification contained withing this scope of work. The (10) new recreational vehicle (RV) sites with water, electric, and sewer hook-ups and all associated roadways, curbs, parking, and patio areas will be fully functional and operational when contractor is complete.

• Contractor shall layout and construct the Administrative RV Area according to the design drawing EXHIBIT

B Ocracoke Administrative RV Site Plan.

• All work performed by the contractor shall be performed by qualified personnel meeting North Carolina licensing requirements where required by North Carolina building code.

• The contractor shall work with Hyde County Environmental Health Specialist to acquire county a Hyde

County environmental permit prior to beginning the installation of the septic system. Location, placement, flow rates, tank size, length of drain field, and pump size for the new septic system shall be constructed according to North Carolina Codes

15a NCAC 18A.1950

15a NCAC 02T.0105

15a NCAC 02T.0114

• Period of performance is 120 days once the Notice to Proceed is issued.

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2.1 SITE WORK

• The contactor will perform all site work to facilitate the construction of the Administrative RV area found in

EXHIBIT B Ocracoke Administrative RV Site Plan and in the following requirements.

• Sedimentation erosion control measures shall be implemented to protect the adjacent wetlands and waters two feet from constructed RV sites and will be maintained throughout the life of the project.

• Contractor shall mass grade the site to provide positive storm water drainage toward the shoreline. Note this material can be used to fill in the old septic system that will be removed.

• Grading shall be uniform throughout the site eliminating any holes, ditches, or humps.

• RV sites shall be graded to an elevation sufficient to provide gravity flow (rate of fall based on NC Code) from the RV site sewer connection to servicing septic tank and adjacent lift station. Sites 1 through 3 drains to existing housing septic system, sites 4 through 10 drains to new contractor constructed septic system.

• Contractor will grade area for the septic field 24-30 inches above existing grade and create a berm for chambered drain field. 340 feet of chambered system is required.

• Contractor shall ensure all final grading elevations gravity flow to specified tank.

• All disturbed areas shall be immediately mulched with wheat straw and seeded with rye (20%) and fescue

(80%).

• Note: Contractor shall locate all utilities prior to grading site. Utilities include sewer, water, electrical, pumps and septic tanks.

2.2 ROADS AND RV SITES

• The construct the roads and RV sites found in EXHIBIT B Ocracoke Administrative RV Site Plan and in the following requirements.

• Contractor shall layout and stake the new road and each RV site including the spur and impact area in accordance with drawing. (See Exhibit C Dimensional Site Plan).

• After the site has been staked out, the contractor shall seek concurrence in writing from the Contracting

Officer’s Technical Representative (COR) on the layout before proceeding.

• Contractor shall notify COR within once layout has been accomplished for final approval.

• The contractor shall construct a new roadway to conned NPS Road and Water Plant Road and provide access to each RV site per Exhibit C.

• The road and RV sites and spurs shall be constructed with a six-inch graded aggregate base.

• The aggregate base shall be compacted to ensure a solid and uniform surface that is able to support vehicular traffic.

• The contactor shall construct 10 RV sites in accordance with the specification found in EXHIBIT D.

• The contractor shall install a six-inch-high by eight-inch-wide concrete header curb at grade around the perimeter of each RV site.

• RV pad shall be level with a 1/4” fall away from the patio area.

• Header curb shall be 6 inch above grade.

• Compacted graded aggregate base will be installed flush with the with the top of the header curb.

• Contactor shall grade the outside of the header curb to drain water away from the RV site and immediately seed and mulch.

• After the construction of the header curb around each site, the contractor shall backfill around the header curb to provide a smooth transition from the curb to surrounding lands

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• 2.3. ELECTRICAL SERVICE

• Contractor shall provide electrical components found in EXHIBIT B Ocracoke Administrative RV Site Plan and in the following requirements. Electric work shall follow the National Electric Code (NEC), National

Electric Contractors Association (NECA), and National Electric Institute of Standards (NEIS).

• Sites 1 through 9 branch circuits shall be copper #6 AWG wire in Schedule 80 PVC conduit

• Bury conduit 30-36 inches deep. Size and install conduit for the wiring within.

• Provide marking buried approximately 12 inches below finished directly above each run of conduit.

• Site 10 branch circuit shall be copper #4 AWG wire to meet the recommended 3% voltage drop.

• Prior to commencing work on site, coordinate with the Electric Service Provider Tideland Electric Engineer.

Coordinate the size of a new transformer, removal, or relocation of power poles on site, and meter location. One electric meter shall be provided for the entire site.

• Provide three each 200-amp panel boxes (Square D QO200M200FTRB or equal) with equal loads for the 10 sites and a dedicated 30-amp breaker for septic pump and alarm. Provide dedicated 60-amp circuit breakers in the electric panels for each Site electrical pedestal.

• Provide a covered electrical mounting structure/cabinet to house the 200-amp panel boxes, meter base, and

CT panel. See EXHIBIT E.

• Below is a table with the estimated length of pull from the RV sites to the electrical panel box. Contractor is responsible for verifying total distances.

Site 1 Site 2 Site 3 Site 4 Site 5 Site 6 Site 7 Site 8 Site 9 Site 10

125’ 85’ 50’ 15’ 45’ 75’ 105’ 130’ 110’ 165’

• Contractor shall supply and install that meet the specification found in EXHIBIT F of at the following link:

UL Listed 50, 30, 20 amp Direct Burial RV Pedestal Electrical Box - RV Park Supplies or equal to be installed at each of the 10 RV sites.

• All equipment will be operational with breakers and GFI.

• Contractor shall supply all breakers required for the 50 Amp (14-50R), 30 Amp (TT30R) and 20 Amp GFCI

Weather Resistant Receptacle (5-20R2GFI).

2.4 WATER SERVICE

• Contractor shall provide and install water supply lines and connections found in EXHIBIT B Ocracoke

Administrative RV Site Plan and in the following requirements

• The depth of all water lines shall be 15 inches below grade.

• Contractor shall connect main line to the existing meter as shown on site plan. The main supply line shall be

1.5 inches schedule 80

• The supply lines that serve the RV sites shall be PVC ¾ inches schedule 80

• Contractor shall verify all distances for required water lines.

Site #1 Site #2 Site #3 Site #4 Site #5 Site #6 Site #7 Site #8 Site #9 Site #10

84’ ¾” 76’ ¾” 80’ ¾” 80’ ¾” 92’ ¾” 56’ ¾” 77’ ¾” 68’ ¾” 86’ ¾” 72’ ¾”

Site 1-4 Site 5-8 Site 9-10

160’ 1.5” 115’ 1.5” 50’ 1.5”

• Contractor shall supply and install frost free hose bib for all the RV sites.

http://www.rvparksupplies.com/p/503020AMPPEDPOWER/

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• Contractor shall install hydrant in accordance with manufacture’s recommendation.

• Specification for the water bib are found in EXHINIT G and example can viewed by at the following link:

Water Source 1 ft. Bury Depth Frost-Proof Yard Hydrant YH01 (homedepot.com) or equal.

2.5 SEPTIC SYSTEM

• Contractor shall provide and install septic system found in EXHIBIT B Ocracoke Administrative RV Site

Plan and in the following requirements.

• Contractor shall refer to EXHIBIT B to see the location of the septic tank, pump chamber and drain field.

• The contactor shall provide and install a functional sewer line to each RV site.

• All sewer lines will be capped at the RV site with a screw on cap that can be removed when in use.

SITES 4-10 WASTEWATER SHALL BE CONNECTED TO NEW CONTRACTOR CONTRUCTED SEPTIC

• The contractor will be required to consult with Hyde County Department of Health and design system that will be sized and handle flows and effluent for RV sites 4-10.

• Contractor will be required to obtain permit and complete required inspections for septic and drain field system through Hyde County Environmental.

• The system will require an appropriately sized septic tank (1500 gal), pump chamber (pumps two .6hp alternating with alarm, lights, and sufficient breaker 30amp with #6 wire), and an appropriately sized drain field using a chambered system (340 linear feet maximum).

• All sewer lines will be four-inch schedule for sewer and gravity flow from the sites to the tank.

• Effluent from the tank to the drain field shall be pumped

• Contractor shall provide appropriately sized pump chamber that will house the twin alternating pumps and cycle the effluent based on maximum peak use.

• The berm for the drain field shall be elevated approximately 30 inches above grade and slope to allow for lawn equipment to mow the grassed berm.

SITES 1-3 WASTEWATER SHALL BE CONNECTED TO EXISTING HOUISNG SYSTEM

• The contractor will provide and install sewer lines from RV sites 1-3 to existing septic tank and lift station that service the Park homes and office trailer.

• RV sites 1-3 will gravity feed into the existing tank and lift station.

• For RV sites 1-3, the contractor shall find the invert or create entry to the tank for effluent into existing tank.

• Contractor shall supply and install 4” schedule 40 PVC lines.

• Depth of sewer lines will vary due to grade requirements.

• Contractor shall verify total length required in field layout.

Site #1 Site #2 Site #3 Site #4 Site #5 Site #6 Site #7 Site #8 Site #9 Site #10

38’ 107’ 32’ 20’ 64’ 40’ 35’ 57’ 112’ 45’

2.6 DISPOSAL

• The contractor shall dispose of one existing septic system shown in EXHIBIT A Ocracoke Administrative

RV Site Plan, Existing Infrastructure. This system services three nearby RV sites and is very close to the sound and wetlands and is located near proposed new RV site 4.

• The contractor will remove the drain field components, drain lines, piping, and gravel from old septic system and disposed of at an approved location by Hyde County.

• Contractor shall have the tank pumped and free from sewage before removal and disposal.

https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.homedepot.com%2Fp%2FWater-Source-1-ft-Bury-Depth-Frost-Proof-Yard-Hydrant-YH01%2F203449592%3Fmtc%3DShopping-CM-F_D26P-B-D26P-026_006_IRRIGATION-MULTI-NA-Feed-LIA-2998850-WF-New_Engen_PL3%26cm_mmc%3DShopping-CM-F_D26P-B-D26P-026_006_IRRIGATION-MULTI-NA-Feed-LIA-2998850-WF-New_Engen_PL3-71700000089607454-58700007573561608-92700068261145154%26msclkid%3Dd3556ddfa0ab1d445fa60fb871b349e1%26gclid%3Dd3556ddfa0ab1d445fa60fb871b349e1%26gclsrc%3D3p.ds&data=05%7C01%7Cdarrell_stone%40nps.gov%7Cdae20c7b25ae4bbb36e008da2d3ace47%7C0693b5ba4b184d7b9341f32f400a5494%7C0%7C0%7C637872027865236466%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Mr84tV7sLPb3PrYfnUM1i%2FSQ8ez6s1bE5cTeZKPPKTM%3D&reserved=0

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• Contractor shall refill project area with soil and return to original grade and seed all disturbed areas with rye

(20%) and fescue (80%). Once site has grass established, contractor shall remove silt fence from

Government property and dispose in approved landfill.

• Trees or vegetation removed from establishing RV sites shall be hauled off Government property and disposed in an approved location by Hyde County.

2.6 SUBMITALS

1. Shop drawing for septic system

2. Updated shop drawing only if modifications are required after site visit with contractor.

3. Product data sheet for Pumps, Septic Tank, and Chamber drain lines

4. Product Data Sheet for Water Hydrant

5. Product Data Sheet for Copper Wire

6. Product Data Sheet for RV Pedestal Electric Box

7. Product Data Sheet for 200-amp Electric Panel Box

Action Submittals

1. Designation letter and description of qualifications of Superintendent, and Assistant Superintendent

2. List of Sub-Contractors

3. Quality Control Plan

4. Accident Prevention / Safety Plan / Spill Plan

5. Project Schedule

6. Coordination Meeting Summary Report

7. Contractor Quality Control Daily Reports

8. Project schedule updates – Included with monthly invoice submissions.

9. Warranty. One Hard copy given to the park. Digital files of Warranty, and any project photos included on a Thumb Drive, one each to Park Facility Manager and one to Project Manager.

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EXHIBIT A

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EXHIBIT B

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EXHIBIT C Dimensional Site Plan

Separate Attachment (attachment 3) - Page Intentionally left Blank Continued Next Page

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EXHIBIT D

Typ. RV pad

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EXHIBIT E

Electrical Display Cabinet

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EXHIBIT F

Typ. Electrical Pedestal

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EXHIBIT G

Typ. Frost-Proof Hydrant

END SCOPE OF WORK