140P1224Q0047_Attachment_1_Scope_of_Work.pdf

BENT’S OLD FORT

LA JUNTA, CO

Statement of Work (SOW)

PMIS #303680

NATIONAL PARK SERVICE

INTERMOUNTAIN REGION

1 Project Overview

Location and Facilities

This project is located at Bent’s Old Fort National Historic Site (BEOL) across four park buildings including the Administration Building, Maintenance Shop, Comfort Station, and the

Fort. The park address is 35110 CO-194, La Junta, CO 81050.

Project Description

This Scope of Work (SOW) is for the replacement of existing water heaters at four park buildings.

General tasks will include the removal and disposal of existing water heaters, and installation and connection of new water heaters. The project also includes electrical, piping, and functional testing. The Contractor shall be responsible for all necessary work to achieve required project outcomes, including labor, equipment, tools, personal protective equipment

(PPE), coordination with Authorities Having Jurisdiction (AHJ), internal construction permits, incidental design, travel, and other related expenses.

2 Summary of Requirements and Objectives

Project requirements and required outcomes are described in this SOW, in project drawings provided in Attachment A, and project Specifications provided in Attachment B. The

Contractor is advised that project drawings are indicative only and do not represent as-built conditions. In addition, the location and routing of all new services and equipment shown in these sketches are also indicative only. Specific work tasks and each building requirements are listed below:

• The Contractor shall site verify all existing conditions prior to commencing work on site.

• The contractor shall be responsible for any adjustments necessary including plumbing or electrical as required to install new systems to latest codes.

• The contractor shall test all domestic hot water systems to verify proper operations, temperature setpoints, and that no leaks are found in the new plumbing systems.

A. Administration Building

1. The water heater serving the restroom lavatories and service sink is located in the mechanical room A6. WH-1A is a 6-gallon tank with 1500W electric element, 120V.

Unit to be replaced in-kind with new. Replace pipe insulation back to wall supports.

Provide new water heater ¼ turn isolation valves, metal drain pan, and vacuum breaker.

2. Breakroom A1 sink domestic water heater is located in the millwork below the sink.

Existing electric water heater, WH-1B, is tankless type. Unit to be replaced in-kind with new unit. Provide new water heater isolation valves.

B. Maintenance Shop

1. Demolish existing electric tank water heater serving the restroom lavatory and service sink. Existing unit is a Reliance 501 20-gallon tank unit located high on a shelf in the corner of the restroom. Demolish shelf mount and patch and paint walls to match adjacent.

2. Provide and install new tankless on-demand electric water heater to serve plumbing fixtures. Wall mount heater in similar location as demolished unit, in manner for ease of maintenance; approximately 80” clearance from floor to bottom of unit if available.

3. Update piping for new heater installation. Demolish existing PVC piping exposed in space and replace with copper. Provide insulation for all exposed piping back to wall.

Provide new water heater isolation valves.

4. Provide new electric branch circuit to water heater from Panel B, located in BAY 4

SHOP, approximately 40-ft away. New branch circuit sized per selected equipment and NEC requirements, with new equipment disconnect switch. New branch circuit shall be installed in EMT conduit per NPS standards.

C. Comfort Station

1. Demolish existing central electric tank water heater serving the four restroom lavatories and service sink, located in Mechanical Room 103. Existing unit is

Bradford White 20-gallon tank mounted on floor of space.

2. Provide and install new tankless on-demand water heater to serve men’s restroom lavatories, WH-3A. Locate the new water heater on the backside of the wall behind the lavatories. Update piping and electrical for new water heater configuration.

3. Provide and install new tankless on-demand water heater to serve women’s restroom lavatories, WH-3B. Locate the new water heater on the backside of the wall behind the lavatories. Update piping and electrical for new water heater configuration.

4. Provide and install new tankless on-demand water heater to serve utility sink, WH-

3C. Locate new water heater high on wall above the sink. Update piping and electrical for new water heater configuration.

5. Provide new electric branch circuits to each new water heater. Existing electric panelboard A is located in Mechanical Room 103.

D. Fort

1. Demolish existing central electric water heater serving all plumbing fixtures, located in the Utility / Laundry room 125. Existing unit is Bradford White 40-gallon tank mounted on floor of space.

2. Provide and install new electric tank water heater, WH-4, in the same location as demolished unit. New water heater to be 40-gallon capacity, 4500W. Provide new overflow pan, and equipment isolation valves.

3 Attachments

A. 417_190020_ Replacement of Water Heaters _Drawings

B. 417_190020_Replacement of Water Heaters_Specifications