Attachment_01_Statment_of_Work_Project_Specifications_O-116_boiler_and_Heating_System_2025.pdf

MOUNT RAINIER NATIONAL PARK

Ohanapecosh, Wa.

Replace O-116 Apartment Boiler and Heating System

STATEMENT OF WORK

NATIONAL PARK SERVICE

PACIFIC WEST REGION

December 2024

LOCATION:

O-116 is an Apartment Building accessed from WA State Route 123, adjacent to the Ohanapecosh Campground, in the south east corner of Mount Rainier National Park. The nearest town is Packwood Washington located 11 miles to the south. Packwood is a small town with minimal amenities and services.

DESCRIPTION OF WORK:

Remove and replace existing heating and distribution systems. All old equipment and hardware is to be removed out of the park by the contractor. Refer to drawings and photographs provided in this package.

Under separate contract the NPS has abated drywall and removed existing heating lines serving the second and first floors. On the first floor portions of the ceilings have been removed to provide contractor access for new heating lines. The Contractor will utilize existing pathways for new lines. Contractor will remove existing boiler, water holding tank, hydronic piping, radiators, flue pipe and LP line. Contractor shall provide and install new water heater and holding tank for domestic hot water supply separate from the heating system.

It is strongly recommended that contractors interested attend a pre bid site visit.

All work to be done by a licensed contractor. All work shall follow the guidelines established in the manufacturer’s installation manuals. All work must comply with NFPA. Boilers shall comply with ASME Boiler and Pressure Vessel Code, and all State and Federal Codes. All wiring will be done to NEC standards.

All boiler and heating system parts shall be the items listed or equivalent in characteristics. The work consists of the following:

Boiler

Existing (to be removed): 440,000 BTU liquid propane fired Weil McLain boiler and water tank currently used for hydronic heating system and domestic hot water.

New: Provide equal to Basis of Design: Well Mclain LGB-4 336,000 Btu water gross output boiler with high limit safety controls and McDonnell & Miller 751P-MT-120 low water cut out.

Specifications: Expansion tank - provide equal to basis of design: Amtrol expansion tank model # SX 40 V rated for the gallons in the system with Protherm 720 (or equal) at a -10 degree freeze point.

Install new boiler make up line with a water meter, brass y strainer, reduced pressure backflow assembly, pressure reducing valve, pressure gauge, and isolation valve.

Boiler will be wired to the sub panel in the boiler room with circuits provided with a means of turning the power off at the boiler.

Liquid Propane (LP)

Install new LP second stage regulator, LP meter and LP black pipe to boiler and hot water tank with shut off valves and drip legs.

¾” 5 to 10 psi 1st stage LP line will be provided outside of the mechanical room.

Boiler Flue

Contractor to remove existing flue pipe within masonry chimney.

Install new LP rated boiler flue pipe into existing masonry chimney.

All piping in the boiler room will be grade L copper following boiler manufacturer’s specifications with dielectric unions separating cast iron and copper with ball isolation valves on the supply and return lines on the boiler and circulation pump.

Circulation Pump (for boiler)

New: provide equal to basis of design: Bell& Gossett BG 102219 ¼ HP circulation pump and Resideo PV series (or equal) 1 ¼” air Eliminators (or equivalent), ball valves, and outside temperature sensor.

Install Outside temperature sensor and relay controlling system circulator.

Distribution

Piping into the building will be done in four zones. Install new grade L hydronic heating piping, system circulator, automatic air bleeders.

Zone one units 13, 14, 15 and LAUNDRY.

Zone two units 16, 17, 18.

Zone three units 19, 20, 21, and BEDROOMS 9 and 10.

Zone four units 22, 23, 24.

All zones will have isolation valve on the supply and return lines along with drain valves on the supply and return lines.

Zone supply and return piping will be 1 ¼ PEX with a bypass valve in between the supply and return.

All piping will be insulated with ¾” insulation.

The system circulator will be controlled by an outside temperature sensor.

The hydronic heating system will be charged with antifreeze to a freeze point of -10 degrees. Antifreeze (Protherm 720) and water will be provided by NPS.

Radiator Panels

Existing: wall mounted baseboard panels will be removed by NPS.

New: provide equal to basis of design: Buderus model 22 in varying lengths – see information below and on drawings.

Each panel radiator heater will have a ¾” PEX supply and return line feeding the heater off the 1 ¼” supply and return line.

Panel radiators will be fluted on the front and back surfaces, will have an integral flow setter valve with a manual thermostat, manual control and have a manual air bleeder.

Radiators shall be located on center with window units to greatest extent possible.

Basis of Design:

Buderus model 22 12” by 16” by 4” part # 3-21216 panel radiators installed in the kitchens and bathrooms. Btu rating of 1,573 at 180 degrees. (quantity: 24)

Buderus model 22 12” by 71” by 4” part #3-21271 panel radiators installed in the living rooms, and bedrooms. Btu rating of 7,078 at 180 degrees. (quantity: 26)

Buderus model 22 12” by 48” by 4” part # 3-21248 panel radiator installed in the laundry room. Btu rating of 4,719 at 180 degrees. (quantity: 1)

Hot Water Tank

Existing: remove existing, see photographs

New: provide equal to Basis of Design: Polaris/ AO Smith LP power direct vent gas model with direct spark ignition. Model GTP175,000 Btu/hr 50 gallon hot water tank with a 80 gallon storage tank plumbed together with a mixing loop using a Taco model 005 1/35 HP circulator pump(or equivalent).

Temperature gauges will be installed on the outlet of the 50 gallon power direct vent tank and the supply outlet of the 80 gallon storage tank.

New hot water tanks will be tied into existing cold water supply and building hot water recirculation loop with a Bell & Gosset MFG # 106192LF circulator pump (or equivalent).

Ball valve to be installed on the domestic water supply and hot water outlet so the tanks can be isolated from the buildings plumbing and mixing loop can be proven.

Hot water tank will be wired to the sub panel in the boiler room with the circuit provided with a means of turning the power off at the hot water tank.

Oxygen diffusion barrier PEX piping will have a rating of 100 psi at 180 degrees, 80 psi at 200 degrees.

Hot water tank shall be installed to manufacturer’s specifications.

Electrical

All wiring will be tied into the existing sub panel in the boiler room.

All work to be done to manufactures specifications, ASME, and NFGC.

Testing

Boiler and heating system will be fired and proven.

Heating system will be hydrotested and checked for leaks.

All piping shall be insulated after system has been checked for leaks.

SCHEDULE:

A. Target dates are April 10th 2025-May 12th 2025

B. Period of performance: Contractor has 30 days from the date of contract to perform work.

SPECIAL CONSTRUCTION REQUIREMENTS:

A. Contractor shall at all times conduct their operations to ensure the least inconvenience to the public. Confine storage of materials to the work limits of the project.

B. All excess materials and project debris, including all trash from any Contractor generated source, shall be completely removed from the park for reuse, recycling, or environmentally responsible disposal at a down lake site. No disposal of any items shall be allowed within the park.

1. All trash cans that are not of the bear-resistant design shall be located inside trailers or buildings. Place all food and drink trash or garbage in trash cans.

2. Feeding of any wildlife is prohibited.

C. Work Restrictions: Work may occur any hours or day. If snow prevents access, hours will be 8 AM- 4:30 PM Monday Through Friday in order for NPS staff to clear the roadway of snow.

D. Keep project area neat, orderly and in a safe condition at all times.

E. Utilize plastic sheeting and/or wet down dry materials and rubbish to control dust as necessary.

FIELD VERIFICATION:

A. Field verify all conditions affecting the work of this contract before mobilizing. All provided measurements are estimates only.

PROTECTION OF EXISTING VEGETATION, STRUCTURES, EQUIPMENT,

UTILITIES, AND IMPROVEMENTS:

The Contractor shall preserve and protect all structures, equipment, and vegetation (such as trees, shrubs, and grass) on or adjacent to the work site, which are not to be removed and which do not unreasonably interfere with the work required under this contract. The Contractor shall only remove trees when specifically authorized to do so and shall avoid damaging vegetation that will remain in place. If any limbs or branches of trees are broken during contract performance, or by the careless operation of equipment, or by workmen, the Contractor shall trim those limbs or branches with a clean cut and paint the cut with a tree-pruning compound as directed by the Contracting Officer.

The Contractor shall protect from damage all existing improvements and utilities at or near the work site and on adjacent property of a third party, the locations of which are made known to or should be known by the Contractor. The Contractor shall repair any damage to those facilities, including those that are the property of a third party, resulting from failure to comply with the requirements of this contract or failure to exercise reasonable care in performing the work. If the Contractor fails or refuses to repair the damage promptly, the Contracting Officer may have the necessary work performed and charge the cost to the Contractor.

WATER AND SANITARY SERVICES:

A. Water is available for Contractor’s use at the work site before November 8th Water can be provided by water tank trailer for boiler and water heater testing.

B. The Contractor shall provide clean sanitary facilities (portable toilet(s) and hand-washing stations) for employees’ use at the work site after November 8th

ELECTRICAL POWER:

A. Commercial

SPECIFICATIONS AND DETAILS:

EQUIPMENT

A. All equipment shall be leak-free, and all servicing must occur off-site on private property or in a location approved by the COR.

B. It is required that all equipment used in this contract contains bio-based hydraulic fluid.

Information on this material can be viewed at https://www.biopreferred.gov/BioPreferred/.

C. Drywall compound is known to have less than 2% asbestos from previous sampling, NPS has selectively removed asbestos containing material and achieved clearances to perform work in the rooms.

D. NPS reserves the right to salvage any materials or property. Contractor to confirm items for salvage prior to contractor disposal.

https://www.biopreferred.gov/BioPreferred/

EXECUTION:

CONTRACTOR TASKS

A. Prior to beginning work, coordinate work schedule with the Contracting Officers Representative (COR) and no physical work shall commence at the site until a notice to proceed is issued by the Contracting Officer.

B. Locate, identify and prevent damage to known utilities. If damage occurs, contractor shall repair utility at no additional expense to the government. Contractor is to be liable for damage to any other infrastructure within the work area while work is being performed on the project.

C. Furnish and provide all labor, materials, equipment, supervision, water, transportation, and lodging required to complete the work specified.

D. Contractor shall ensure that all materials and debris removed from the site upon completion of work, clean-up and restore adjacent site as nearly as possible to its natural condition.

E. Contractor is responsible for acquiring all required permits for the project. Copies of all permits, disposal documentation and clearance sample documentation will be submitted to the Park in a completion report supplied by the contractor.

AVOIDANCE OF NOXIOUS WEEDS:

F. To prevent the introduction of the seeds from noxious weeds onto NPS land, the Contractor shall wash all mechanized equipment thoroughly. This includes the removal of all soil, seeds, vegetative matter or other debris that could contain or hold seeds or plant material.

1. The Contractor shall employ whatever cleaning methods are necessary to ensure compliance with the terms of this provision and shall notify the NPS prior to moving each piece of mechanized equipment into Longmire. Cleaning of equipment shall not occur on NPS land. Notification will include identifying the location of the equipment's most recent operation.

2. The NPS will inspect each piece of equipment prior to its being placed into service.

If a piece of equipment fails the inspection, the Contractor will be responsible to perform whatever methods are necessary to pass upon re-inspection and will bear all costs.

ACCIDENT PREVENTION:

G. Accident Prevention Plan (APP): Prior to beginning work contractor shall submit for approval a site-specific APP. The Contracting Officer will review the proposed program for compliance with OSHA and project requirements. If the program requires any revisions or corrections, the Contractor shall resubmit the program within 10 days. The Contracting Officer will not issue the Notice to Proceed until the APP is approved. The plan shall include:

1. Name of responsible supervisor to carry out the program.

2. Weekly and monthly safety meetings.

3. First aid procedures.

4. Description of each phase of the work, the hazards associated with each major phase, and the methods proposed to ensure property protection and safety of the public, National Park Service personnel, and Contractor's employees.

5. Training, both initial and continuing.

6. Planning for possible emergency situations, such as earthquakes, floods, wind, storms, fires, cave ins, slides, explosions, and power outages. Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of persons and property.

7. Waste control and potential hazardous materials precautions.

8. Personal protective equipment.

9. Hauling routes – coordinate with Contracting Officer.

H. Ensure first aid is available and training adequate for the number of employees and the type of construction at the site.

I. Report all accidents to the COR immediately. A reportable accident is defined as death, occupational disease, traumatic injury to an employee or the public, property damage in excess of $100, and fires. Form DI-134 must be completed and submitted to the COR within three days of an accident. Forms are available from the COR.

J. Provide personal protective equipment that meets the requirements of OSHA, NIOSH and MSHA, Material Safety Data information where applicable, as well as ANSI.

K. Inspect personal protective equipment daily and maintain in a serviceable condition.

Clean, sanitize, and repair, as appropriate, personal items before issuing them to another individual. Inspect and maintain other protective equipment and devices before use and on a periodic basis to ensure safe operation.

L. Provide all necessary traffic barriers, traffic control signs, markers, and flaggers when required during operations. Traffic control for occupied work areas shall be in accordance with National Standards contained in the Manual of Uniform Traffic Control Devices

(MUTCD).

M. Post specific reporting instructions for contacting Emergency Response Personnel in conspicuous locations at the work site.

N. Identify materials considered to be “Hazardous Materials” by industry standards and provide protection and security for identified materials throughout contract period.

Hazardous materials spills shall be reported immediately and clean up shall be the sole responsibility of contractor.

O. As a minimum, conduct weekly 15 minute "toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all personnel at the worksite. Conduct monthly safety meetings for all levels of supervision. Notify the COR so that they may attend. These meetings shall be used to review the effectiveness of the Contractor's safety effort, to resolve current health and safety problems, to provide a forum for planning safe work activities, and for updating the accident prevention program. The COR will enter the results of the meetings into their daily log.

P. The Contractor shall assume full responsibility and liability for compliance with all applicable regulations pertaining to the health and safety of personnel and environmental management during the execution of work, and shall hold the Government harmless for any action on his/her part or that of his/her employees or subcontractors, which results in illness, injury or death.

SPILL PREVENTION

Q. Spill Prevention/Response Plan (SPP): Prior to beginning work contractor shall submit for approval a site-specific Spill Prevention and Response Plan. The COR will review the proposed program for compliance with OSHA and project requirements. If the program requires any revisions or corrections, the Contractor shall resubmit the plan within 10 days. The Contracting Officer will not issue the Notice to Proceed until the SPP is approved.

SUBMITALLS:

PRE-WORK

A. Accident Prevention Plan (APP).

B. Spill Prevention Plan (SPP).

C. Letter designating the Project Superintendent.

D. List of Subcontractors

E. List of Required Permits

CLOSEOUT

A. Product information including warranties, installation, operation and user manuals.

B. Provide documentation when buildings are compliant to proceed public entrance to the building.

C. Weight tickets for recycled materials and for materials sent to landfill.

CLOSEOUT