B08_Attachment_1_SOW_Replace_Lift_Station_Pumps_DEWA.pdf

STATEMENT OF WORK

Replace Wastewater Lift Station Pumps Milford Beach – 150 Milford Beach Road Delaware Water Gap National Recreation Area

1.0 PROJECT OVERVIEW

The National Park Service (NPS), Delaware Water Gap National Recreation Area (DEWA), requires the removal and replacement of two (2) failed wastewater lift station pumps at the Milford Beach wastewater lift station located at 150 Milford Beach Road.

Work includes pump replacement, rehabilitation of pump guide systems and associated hardware, replacement of discharge piping between the wet well and check valve assembly, system startup, and testing.

The objective of this project is to restore reliable wastewater conveyance operations to ensure continued park operations and public access.

2.0 SCOPE OF WORK

The Contractor shall provide all labor, materials, equipment, supervision, and incidentals necessary to complete the following:

2.1 Pump Removal and Replacement

• Remove and properly dispose of two (2) existing submersible wastewater pumps.

• Furnish and install two (2) new submersible sewage pumps meeting or exceeding the following minimum specifications:

o 10 horsepower o 460-volt, three-phase o Suitable for raw wastewater service o Designed for wet well guide rail installation

• Pumps shall be compatible with the existing lift-out guide rail system configuration.

• Pumps shall be rated for continuous duty in municipal wastewater environments.

2.2 Lift Station Rehabilitation

• Remove existing pump guide rails, guide brackets, hardware, and associated piping components as necessary.

• Furnish and install new:

o Guide rails o Guide brackets o Mounting hardware o Lifting chains o Fasteners and corrosion-resistant hardware

• All hardware shall be stainless steel or corrosion-resistant material suitable for wastewater environments.

2.3 Discharge Line Replacement

• Remove and replace the discharge piping from the lift station wet well to the existing check valve assembly.

• Provide new piping, fittings, and flanges rated for wastewater pressure service.

• All piping shall be properly aligned, restrained, and supported.

• Connections shall be watertight and suitable for underground installation.

2.4 Equipment and Access

• Contractor shall provide necessary lifting equipment (e.g., boom truck or equivalent) for safe removal and installation of pumps and guide systems.

• Contractor shall protect adjacent infrastructure and restore disturbed areas to original condition.

3.0 PERMITS AND REGULATORY COMPLIANCE

The Contractor shall:

• Obtain all required permits prior to commencement of work.

• Coordinate required inspections with the appropriate local and state authorities.

• Comply with all applicable township, state, and federal wastewater regulations.

• Initiate a utility locate request (Pennsylvania One Call or equivalent) prior to excavation activities.

The Contractor shall not be responsible for private utilities not identified or marked by the Government.

4.0 ASSUMPTIONS AND SITE CONDITIONS

The following conditions are assumed:

• Government will provide reasonable access to the lift station during normal working hours.

• Wet well conditions are reasonably free of excessive debris preventing pump removal.

• Existing electrical controls and control panel are functional and compatible with replacement pumps.

If unforeseen site conditions are encountered, the Contractor shall notify the Contracting Officer’s Representative (COR) immediately. Work outside the scope of this SOW shall not proceed without written authorization.

5.0 TESTING AND STARTUP

The Contractor shall:

• Confirm correct pump rotation.

• Verify pump startup under existing control system.

• Confirm proper seating on guide rails.

• Verify system operation to existing discharge system.

Testing shall include confirmation that pumps cycle properly and no leaks are present at discharge connections.

6.0 WARRANTY

Contractor shall provide a minimum twelve (12) month manufacturer’s warranty on pumps and installed components.

Warranty documentation shall be provided to the Government at project closeout.

7.0 PERIOD OF PERFORMANCE

Estimated onsite construction duration: 4–5 working days.

Lead time for pumps and specialized components may be approximately 3–4 weeks after award.

8.0 SUBMITTALS

Prior to installation, Contractor shall submit:

• Pump product data sheets

• Shop drawings (if applicable)

• Installation methodology

• Warranty documentation

• Proof of permits

9.0 SAFETY REQUIREMENTS

Contractor shall comply with:

• OSHA confined space regulations

• Fall protection requirements

• Lockout/Tagout procedures

• NPS safety requirements

• Utility locate requirements prior to excavation

A site-specific safety plan shall be submitted prior to mobilization.

10.0 PAYMENT

Payment shall be made upon satisfactory completion of work and acceptance by the COR.