B08a_Scope_of_Work_-_Kelso_Depot_Cleaning_(Updated_3_18_26)_0002.pdf
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- KELSO DEPOT CLEANING
- Solicitation number
- 140P8126Q0005
About this file
This is a Scope of Work document for one-time deep cleaning services at Kelso Depot, the flagship visitor center for Mojave National Preserve. The objective is to enhance visitor experience and address health and safety issues resulting from the facility's closure over the past five years due to HVAC failure. The approximately 11,500 square-foot depot requires comprehensive cleaning prior to reopening, as years of accumulated dust, dirt, and rodent contamination (urine and feces) present hantavirus concerns. Although recent testing showed no hantavirus presence, protective measures including N95 masks and respirators are recommended for workers.
The cleaning requirements encompass most building areas except three locked rooms housing historic exhibits (two on top floor, one on ground floor) which NPS staff will clean separately. Specific tasks include steam cleaning and shampooing all carpeted areas; mopping all hard floor surfaces with anti-viral sanitizing cleaner (flooring cannot be swept prior to mopping due to hantavirus concerns); moving and cleaning under/behind movable furniture; cleaning affixed items inside and outside with non-caustic cleaners; wet cleaning historic wood sash windows and frames with non-caustic cleaner; opening and cleaning drawers of rodent droppings; and placing items in direct sunlight for minimum two-hour sanitization. The scope details three floors: the top floor contains five offices, mailroom, lunchroom, large office, employee restrooms, closets, elevator area, storage room, exhibit areas, walk-in closet, map/reading rooms, and hallway; the ground floor includes ticket office, baggage room, hallway, bookstore, exhibit rooms, main lobby with historic features, industrial kitchen, back entry, and auditorium with approximately 26 upholstered chairs requiring steam cleaning; and the basement comprises weight room with equipment, billiard room, multiple restrooms, storage rooms, maintenance closet, janitor's closet, and service areas with various flooring types including foam padding squares.
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Scope of Work – Kelso Depot One-Time Cleaning in preparation for reopening
Mojave National Preserve requires one-time deep cleaning services for the depot after years of closure
Objective
To enhance the park visitor experience, and address health and safety issues of visitors, park employees and partners.
Project details
The Kelso Depot is the flagship visitor center for Mojave National Preserve but has been closed for most of the last five years due to HVAC failure. A new HVAC system has been installed but is not yet operational.
However, the depot is also not ready to open yet due to a lack of cleanliness. Years of dust and dirt have accumulated, and rodents have left behind significant amounts of urine and feces.
Although recent testing of rodents did not find any evidence of hantavirus, the risk remains, and the building must be cleaned accordingly. At approximately 11,500 square feet total, this is a task beyond the ability of park staff to complete in a timely manner. For this cleaning purpose recommend the wearing of N95 masks and they may want to wear some type of respirator protection.
Areas in need of cleaning under contract:
Most areas of the building would be included, except for three rooms housing historic exhibits.
These three rooms, two on the top floor and one on the ground floor, are locked and will be cleaned by NPS staff according to museum guidelines.
Cleaning Requirements
This is a one-time deep cleaning of Kelso Depot, prior to its re-opening.
All carpeted areas will need to be steam cleaned and/or shampooed.
All hard floor surfaces (to include the foam squares in the basement) will need to be mopped with a sanitizing (anti-viral)floor cleaner. Flooring cannot be “swept” before mopping due to
Hantavirus concerns so these areas may require more than one mopping to be fully clean.
Movable furniture, found in several rooms, shall have the furniture moved and cleaned under and behind with a sanitizing cleaner (anti-viral); non-caustic where noted.
Affixed items shall be cleaned inside and outside with a sanitizing cleaner (anti-viral); non-caustic cleaners where noted.
Historic wood sash windows & frames themselves (large quantity) will need to be “wet cleaned” with a non-caustic cleaner. They are not airtight and large amounts of dirt/dust have accumulated on the wood.
Drawers will be opened and cleaned of any rodent droppings or urine with a sanitizing cleaner
(anti-viral); non-caustic where noted. Items in the drawers and on shelves need to be placed outside in the sun for sanitization purposes.
Sun sanitization will be for a minimum of two (2) hours. Items being placed outside will need to be monitored to ensure they don’t blow away or visitors don’t take them.
Top floor:
The top floor consists of the following rooms/spaces that would need to be cleaned.
• 5 small offices with furniture. All movable furniture would need to be moved around to clean under and behind. Drawers should be opened and cleaned of any rodent dropping or urine with a sanitizing cleaner (anti-viral). Objects inside drawers and shelves should be placed outside in the sun for a minimum of two (2) hours for sanitization. Some of the offices also have closets that should be cleaned. All are carpeted.
• 1 mailroom with both movable and unmovable objects. Moveable objects should be moved around and cleaned as described above. Affixed items should be cleaned inside and out. Carpeted.
• 1 lunchroom area. All movable items should be moved and cleaned as described above, and all affixed items should be cleaned inside and out. Also, it includes a small closet.
Carpeted.
• 1 large office with furniture. All moveable items should be moved and cleaned as described above. There is a large number of books and other paper/metal items (that can’t be “wet cleaned”, that will need to be placed outside for sanitization. Carpeted.
• 1 foyer/locker room in office area leading to the employee restrooms. Carpeted.
• 2 employee restrooms. Clean with a sanitizing cleaner (anti-viral) to include the sinks, windows, toilets, and Vinyl flooring.
• Two small closets in the bathroom foyer area. Vinyl or other similar type tiles.
• Elevator landing area. Carpeted.
• Storage room behind elevator containing several movable items (copier printers). Vinyl or other similar types of tiles.
• 5 small exhibit areas. Some of the displays will require special cleaning and will be labeled for NPS cleaning only. Most of these items are affixed. Carpeted.
• A walk-in closet with shelving and bookstore fixtures that will need to be moved and cleaned. Vinyl or other similar types of tiles.
• 2 Map/reading rooms with movable furniture, including books that will need to be placed in the sun to sanitize. Includes two closets. Carpeted with additional rugs.
• Hallway running length of building. Carpeted.
Ground Floor:
• Ticket office, accessible only through exterior door, contains exhibits (outside of exhibits only) and non-caustic cleaners safe for historic woodwork. Scored and painted concrete floor.
• Baggage room. Contains luggage exhibits. Clean with non-caustic cleaners safe for vintage luggage, and non-caustic cleaners safe for historic woodwork. Scored and painted concrete floor.
• Hallway running half of building length, along with two small foyer/empty rooms near baggage area. Wood floors.
• Large bookstore room. Empty as of 12/23/25 but may contain fixtures soon. Wood flooring.
• 4 exhibit rooms. Most fixtures are affixed. Special cleaning instructions NPS will label any items to not be cleaned by the contractor. Wood flooring.
• Elevator landing area. Wood flooring.
• Storage room behind elevator containing several movable items and IT equipment/wiring.
Vinyl or other similar type tiles.
• Main lobby including historic front desk and historic diner counter with non-caustic cleaner. Numerous paper items that will need to be set outside for sanitization. Scored and painted concrete flooring.
• Industrial kitchen area. Includes icemaker, metal prep table, gas range, and large (triple-wide) commercial refrigerator/freezer that will need to be moved and cleaned out. Large amounts of rodent droppings. Several sinks. Vinyl sheet flooring.
• Back door entryway/hallway. Includes locker, shelving, and boxes on floor. Books and other paper items will need to be sun sanitized. One storage closet. Vinyl sheet flooring.
• Auditorium and auditorium foyer. Also contains AV closet. Contains about 26 upholstered chairs that will need to be steam cleaned and/or shampooed. Carpeted.
Basement:
• Weight room. Numerous pieces of work-out equipment, including weights (approx. 35-lb to 80-lb), that will need to be moved and cleaned. Historic glass front bookshelves that need to be cleaned with non-caustic cleaner and the glass protected. Scored and painted concrete floors covered by foam padding squares.
• Former billiard room, now mostly empty. Contains some movable furniture items.
Double closet containing some items. Scored and painted concrete floors.
• Elevator landing area and hallway. Scored and painted concrete floors.
• Storage room behind elevator containing affixed elevator machinery. Scored and painted concrete floors.
• Stair landing/hallway. One storage closet and some moveable furniture. Scored and painted concrete floors.
• Bathroom foyer area/hallway. Scored and painted concrete floors.
• Maintenance storage closet. Contains shelving to be cleaned with sanitizing, anti-viral cleaner. Painted concrete floor.
• Janitor’s closet. Contains janitor’s sink. Painted concrete floor.
• Entryway to women’s public restroom. Tiled floor.
• Women’s public restroom. Long counter with four sinks. Seven toilet stalls. Tiled floor.
• Men’s public restroom. Long counter with three sinks. Three toilet stalls and three urinals. Tiled floors.
• Service hallway. Vinyl sheet flooring.
• Large storage room. Contains a gun safe and a couple of smaller safes, as well as movable shelving. Vinyl or similar type tiles.
Stairway
Spans from basement to second floor. Stairway features decorative woodwork and wood railing;
clean with non-caustic cleaner. Stairway floor landings are wood. Tread is textured vinyl.
File details come from the government source that posted it. Updated .