A04_Statement_of_Work.pdf

Cumberland Gap National Historic Park

SCOPE OF WORK

Construction of On Site 2-Inch Steel Handrails

1 April 2026

NATIONAL PARK SERVICE

SOUTHEAST REGION

DIVISION 1 – GENERAL

REQUIREMENTS

CUMBERLAND GAP NATIONAL HISTORICAL PARK

(CUGA)

INSTALLATION OF STEEL HANDRAILS – VISITOR

CENTER & HEADQUARTERS

ITEM 1 – BACKGROUND

Cumberland Gap National Historical Park requires installation of new steel handrails at multiple stairways and walking surfaces near the Visitor Center and Headquarters buildings to improve visitor and employee safety and accessibility. Existing conditions currently lack adequate graspable handrails compliant with current building and accessibility standards.

This project consists of fabrication and installation of welded steel handrail systems anchored to existing concrete, paved, or dirt surfaces. Work includes layout, fabrication, welding, anchoring, coating, site protection, and cleanup.

All work shall comply with International Building Code (IBC), ADA Accessibility Guidelines (ABA/ADA), OSHA 29 CFR 1926, and applicable ASTM and AWS standards.

ITEM 2 – PROJECT IDENTIFIERS

• Project Title: Steel Handrail Installation – Visitor Center & Headquarters

• Park: Cumberland Gap National Historical Park

• Location Address: 91 Bartlett Park Road, Middlesboro, KY 40965

• Applicable Codes: IBC, ADA/ABA Accessibility Guidelines, OSHA, AWS, ASTM

ITEM 3 – PLACE OF PERFORMANCE

Work shall occur at the following locations:

• Visitor Center stairs

• Headquarters Building lower stairs (front)

• Headquarters Building upper stairs (front)

• Headquarters Building rear doors

• Headquarters Building parking lot walkway

Exact field locations shall be verified with the Contracting Officer Representative (COR) prior to installation.

ITEM 4 – PERIOD OF PERFORMANCE

The Contractor shall complete all work within 60 calendar days after Notice to Proceed

(NTP).

All work shall be performed outside of park business hours (8:00 AM – 5:00 PM) unless otherwise approved by the COR.

ITEM 5 – SCOPE OF WORK

The Contractor shall furnish all labor, materials, equipment, supervision, tools, transportation, and incidentals necessary to fabricate and install welded steel handrail systems at designated locations.

Work includes:

• Field measurements and layout

• Fabrication of steel handrails

• Welding of rail components

• Anchoring posts to concrete or paved surfaces

• Surface preparation and painting

• Protection of visitors and park property

• Site cleanup and restoration

• Submittals and closeout documentation

ITEM 6 – HANDRAIL SYSTEM SPECIFICATIONS

6.1 Materials

• Handrails shall be constructed from 2-inch outside diameter steel pipe or tubing.

• Steel shall conform to ASTM A53, ASTM A500 Grade B, or approved equal.

• Minimum wall thickness: Schedule 40 (0.154 inch wall).

• All steel shall be free of rust, oil, dirt, and mill scale prior to coating.

6.2 Handrail Dimensions and Code Requirements

Handrails shall comply with IBC and ADA/ABA Accessibility Guidelines:

• Top of handrail height: 34 inches to 38 inches above stair nosing

• Handrail shall be continuous along full length of stairs

• Ends shall return to wall, post, or ground

• Clearance from adjacent surface: 1.5 inches minimum

• Handrail shall be smooth and free of sharp edges

• Handrails shall withstand 200 lb concentrated load per IBC

• Where walking surface drop exceeds 30 inches, system shall function as guardrail (42-inch height) if required

6.3 Post Spacing

• Vertical posts shall be spaced maximum 5 feet on center

• Additional posts required at corners, ends, and direction changes

• Posts shall be plumb and aligned

6.4 Anchoring

Posts shall be anchored using one of the following methods depending on field conditions and approved by COR:

• Core drilled into concrete and set with epoxy anchoring system

• Surface mounted base plates with mechanical anchors (Hilti or Simpson anchors)

• Embedded in new concrete footing where required

All anchors shall comply with manufacturer load ratings and ASTM standards.

ITEM 7 – WELDING

• All welding shall comply with AWS D1.1 Structural Welding Code – Steel

• Welds shall be continuous and ground smooth where exposed to touch

• Remove slag and spatter before painting

• Contractors shall provide welding screens to protect visitors and property

• Fire watch required during welding operations

ITEM 8 – SURFACE PREPARATION AND PAINTING

8.1 Surface Preparation

• Clean steel surfaces per SSPC-SP2 (Hand Tool Cleaning) minimum

• Remove rust, scale, oil, dirt, and contaminants

8.2 Coating System

Apply the following coating system:

1. Rust inhibitive metal primer

2. Two coats exterior metal enamel

3. Color: Sherwin Williams Fairfax Brown

Paint system shall comply with ASTM D16 and manufacturer’s recommendations.

ITEM 9 – HANDRAIL LOCATIONS AND LENGTHS

Location Length Visitor Center Stairs 13 feet Headquarters Lower Stairs 16 feet (Side 1), 8 feet (Side 2) Headquarters Upper Stairs 17 feet each side Headquarters Rear Doors 16 feet (Left), 12 feet (Right) Headquarters Parking Lot Handrail 108 feet

Contractor shall field verify all measurements prior to fabrication.

ITEM 10 – SUBMITTALS

Contractor shall submit the following for approval prior to fabrication:

• Shop drawings showing handrail layout and anchoring

• Product data for steel, anchors, primer, and paint

• Welding procedures if requested

• Safety Plan / Accident Prevention Plan

• Work schedule

ITEM 11 – SAFETY AND SITE PROTECTION

Contractor shall comply with:

• OSHA 29 CFR 1926

• Welding fire prevention procedures

• Public protection barriers and signage

• Traffic control where work is near parking areas

• Fall protection where required

• Hot work permit and fire watch during welding

Contractors shall ensure visitors and employees are protected from construction hazards at all times.

ITEM 12 – CONTRACTOR USE OF SITE

• Parking and staging areas shall be designated by COR

• No contractor signage allowed on government property

• Smoking only in designated areas

• Work areas must be left safe at the end of each shift

• Contractor responsible for damage to park property

ITEM 13 – EXECUTION

13.1 Layout

Verify field measurements and handrail locations with COR.

13.2 Fabrication

Cut, fit, and weld handrail sections.

13.3 Installation

Install posts and rails, anchor securely, ensure plumb and alignment.

13.4 Welding and Finishing

Complete welds, grind smooth, clean surfaces.

13.5 Painting

Prime and apply two finish coats.

13.6 Cleanup

Remove debris, restore site, remove barricades.

13.7 Final Inspection

Contractor and COR shall perform final inspection prior to acceptance.

ITEM 14 – CLOSEOUT SUBMITTALS

Contractor shall provide:

• Warranty (minimum 1 year)

• Paint product data

• Anchor product data

• As-built drawing showing handrail locations

• Final project photographs

ITEM 15 – INSPECTION AND ACCEPTANCE

All work is subject to inspection by the COR.

Deficient work shall be corrected at no cost to the Government before final acceptance.