B08_-_140P1221Q0089_-_Specifications_-_Purchase_Window_Units_for_ROMO.pdf

United States Department of the Interior

NATIONAL PARK SERVICE

Rocky Mountain National Park 16018 U.S. Hwy. 34

Grand Lake, Colorado 80447

8/11/2021

Windows Replacement for Quarters 461 and 462 at the Rocky Mountain National Park, CO

Project is to purchase a total of twenty (20) windows to replace original existing windows with ones that mimic original appearance. Removal and installation work to be performed by National Park Service Staff.

Project requires:

1. Four (4) picture windows with fixed, square center sections and operable casement windows on either side opening to left and right. Rough openings are 56 ½” high x 112 5/8” wide.

2. Four (4) double casement windows, each unit having the windows opening out to left and right. Rough openings are 40” high x 82 3/4” wide.

3. Twelve (12) single casement window units, six (6) left hand opening and six (6) right hand opening. Rough openings are 40” high x 41 ¼” wide.

• Must fit in existing rough openings so that no modifications to framing or siding on houses are needed.

• Aluminum clad exteriors are preferred (all-wood frames are acceptable), pre-stained interiors. Interior and exterior to be selected from providers standard palette of colors

• Windows are for remodel, should have nailing fins attached.

• Use low-E, double pane glass inserts that do not have a reflective coating that is noticeable from the outside. Windows will be installed in houses that are at an altitude of 8,800’ above sea level.

• Single and double window units to be casement, designed to meet egress requirements.

• To mimic the look of the original windows, operable windows should have a horizontal grill/divider element half-way up from bottom.

• Include removable screens.

Photos of existing windows provided to help with design of replacements.