Attachment A - Elevations and Notes.pdf

FACADE STUDIES VISN 9, 15, 19, 20, 21, 22

NASHVILLE, TN VAMC, BUILDING 1

Nashville, TN

Final Report

23 September 2022

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Callout Front Stairs: clean, replace all control joints connected to wall, repair broken mortar at top of wall, paint metal handrail, replace 30 broken bricks.

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Clean brick surround at transformer location; across from guard shack

I. Table Of Contents

Nashville VAMC Building 1

II. Inspection Information

III. Summary of Findings and Recommendations

IV. Detailed Description of the Examined Structure

V. Methods Used to Conduct Investigation

VI. Detailed Findings and Recommendations

VII. Conclusion

VIII. Attachment A: Cost Estimate

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II. Inspection Information

A. Dates of Inspection: 25 January - 31 January 2022

B. Name of Facility and Building: Nashville VAMC, VISN 9 Building 1

C. Structure Address: 1310 24th Ave S

Nashville, TN 37212

D. Contact Name and Title: Derek Gray VA Nashville Assistant Engineering Chief

E. Name of Inspectors: J. Trey Thomas PE Ethan J. Barrentine EIT

F. Name of Firm: Toland Mizell Molnar

590 Means St. NW, Suite 200 Atlanta, GA 30318

Innovative Engineering Inc.

3380 Trickum Road Building 500, Suite 100 Woodstock, GA 30188

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III. Summary of Findings and Recommendations

B. General Building Condition

The building is in excellent condition, considering its age and geographic location. The majority of the deficiencies noted are the result of normal deterioration and weathering. Ongoing maintenance has lead to lower levels of facade deterioration. Previous facade restoration projects were performed in 1992 and 2008 and appear to be performing well. Most of the observed deficiencies noted were of a non-typical nature and not severe enough to pose any serious structural concerns at the time of this report. Typical deficiencies encountered included cracked, spalled, or loose bricks as well as deteriorated mortar joints. There are no conditions which require immediate attention. However, two conditions were noted that will need to be addressed in the next three years.

Loose or missing building components were observed in numerous locations throughout the Nashville VA Medical Center campus, including loose or missing window mullion covers, metal roof coping, and multiple sections of a large sign. These conditions may create falling object liabilities and can allow moisture to infiltrate the envelope of Building 1. The second condition occurs at the cooling tower screen walls. The concrete beam and column reinforcing in this location has begun to rust and expand. The expansion has caused the concrete in these beams and columns to spall. The spalled concrete and rusted reinforcing in these structural members will need to be repaired to maintain their structural integrity and prevent any further deterioration to reinforcement.

Conditions on site included a temperature differential between the interior and exterior of the building that typically exceeded 32 degrees Fahrenheit, promoting clear infrared (IR) survey conditions. An anomalous condition was observed while analyzing the results of the IR survey of Building 1. Areas of darker color were often noted below window units throughout the facade of Building 1, indicating that the areas below window units were colder than the surrounding facade. See Images 1 and 2 below. In buildings of this vintage, it was not uncommon for heating radiators to be placed below window units during original construction. These radiators were often removed from the walls as the HVAC system of the building was upgraded or replaced, leaving uninsulated cavities below the windows. However, cold winter conditions, similar to conditions observed during IR survey activities, combined with uninsulated cavities described above would result in areas of warmer temperature below the window units. Drawings from the original construction were reviewed to determine possible causes for this anomaly.

Photo 1 Visual Image of Typical Thermal Anomaly Identified

Photo 2 Infrared Imaged of Typical Thermal Anomaly Identified. Note Dark Areas Below Windows Indicating Lower Temperature

IV. Detailed Description of the Examined Structure

D. Site Plan (Source: Google Earth)

E. Campus Site Plan (Source: Vanderbilt University Medical Center Maps)

F. Building Elevation Views

Building Elevation Views: North

North Elevation 1 (NE1) North Elevation 2 (NE2)

North Elevation 3 (NE3) North Elevation 4 (NE4)

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Callout Replace window sealant

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Callout Replace mortar joint below window

North Elevation 5 (NE5) North Elevation 6 (NE6)

North Elevation 7 (NE7) North Elevation 8 (NE8)

North Elevation 9 (NE9) North Elevation 10 (NE10)

Callout Remove Ivy before cleaning

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Callout Corner brick broke - replace

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Brick retaining wall: replace all control joints, replace 10 lineal feet of damaged mortar joints, replace wall cap with cast concrete cap, clean walls down to lower basement/sub-basement level

North Elevation 11 (NE11) North Elevation 12 (NE12)

North Elevation 13 (NE13) North Elevation 14 (NE14)

North Elevation 15 (NE15) North Elevation 16 (NE16)

Oval

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Callout Replace sealant around window

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Replace sealant around window

North Elevation 17 (NE17) North Elevation 18 (NE18)

North Elevation 19 (NE19)

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Building Elevation Views: South

South Elevation 1 (SE1) South Elevation 2 (SE2)

South Elevation 3 (SE3) South Elevation 4 (SE4)

South Elevation 5 (SE5) South Elevation 6 (SE6)

Replace control joint at inside corner from ground to roof

South Elevation 7 (SE7) South Elevation 8 (SE8)

South Elevation 9 (SE9) South Elevation 10 (SE10)

South Elevation 11 (SE11) South Elevation 12 (SE12)

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Callout Replace control joint

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Fix hole

South Elevation 13 (SE13) South Elevation 14 (SE14)

South Elevation 15 (SE15) South Elevation 16 (SE16)

South Elevation 17 (SE17)

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Callout Replace damaged bricks in the above locations

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Building Elevation Views: East

East Elevation 1 (EE1) East Elevation 2 (EE2)

East Elevation 3 (EE3) East Elevation 4 (EE4)

East Elevation 5 (EE5) East Elevation 6 (EE6)

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Text Box Replace sealant around indicated windows

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Callout Replace sealant around window

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Callout Replace sealant around window

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Replace damaged brick

East Elevation 7 (EE7) East Elevation 8 (EE8)

East Elevation 9 (EE9) East Elevation 10 (EE10)

East Elevation 11 (EE11) East Elevation 12 (EE12)

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Replace control joint

East Elevation 13 (EE13) East Elevation 14 (EE14)

East Elevation 15 (EE15) East Elevation 16 (EE16)

East Elevation 17 (EE17) East Elevation 18 (EE18)

East Elevation 19 (EE19) East Elevation 20 (EE20)

East Elevation 21 (EE21) East Elevation 22 (EE22)

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Callout Replace damaged brick

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Callout Replace damaged brick at top of column

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Callout Open joints and cracks at these locations, replace brick

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Callout Open joints and cracks at these locations, replace brick

Building Elevation Views: West

West Elevation 1 (WE1) West Elevation 2 (WE2)

West Elevation 3 (WE3) West Elevation 4 (WE4)

West Elevation 5 (WE5) West Elevation 6 (WE6)

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Callout Replace sealant around window

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Callout Replace 2 broken bricks

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Callout Replace 2 broken bricks

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Callout Replace broken corner bricks at outside edge of HVAC intake wall

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Replace broken corner bricks at outside edge of HVAC intake wall

West Elevation 7 (WE7) West Elevation 8 (WE8)

West Elevation 9 (WE9) West Elevation 10 (WE10)

West Elevation 11 (WE11) West Elevation 12 (WE12)

West Elevation 13 (WE13) West Elevation 14 (WE14)

West Elevation 15 (WE15) West Elevation 16 (WE16)

West Elevation 17 (WE17)

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Callout Repoint mortar joint

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Callout Repoint mortar joint

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VI. Detailed Findings and Recommendations

B. Deficiency Elevations:

1. Deficiency Elevation Location Plan 1 (Source: Google Earth)

a. Note: The following diagrams and drawings are intended to help show the locations of representative deficiencies. They do not show all deficiencies and their locations.

2. North Deficiency Elevation 1 (NE1): (Source: Sheet A2.02 of 1990 Building 1 Clinical Improvements and Patient Privacy Drawings)

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4. South Deficiency Elevation 1 (SE1): (Source: Sheet A2.02 of 1990 Building 1 Clinical Improvements and Patient Privacy Drawings)

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6. East Deficiency Elevation 1 (EE1): (Source: Sheet A2.01 of 1990 Building 1 Clinical Improvements and Patient Privacy Drawings)

7. East Deficiency Elevation 2 (EE2): (Source: Sheet A3.01 of 1990 Building 1 Clinical Improvements and Patient Privacy Drawings)

8. West Deficiency Elevation 1 (WE1): (Source: Sheet A2.01 of 1990 Building 1 Clinical Improvements and Patient Privacy Drawings)

9. West Deficiency Elevation 2 (WE2): (Source: Sheet A3.01 of 1990 Building 1 Clinical Improvements and Patient Privacy Drawings)

2. Loose Brick Masonry

a. Description: Loose bricks were noted at some locations around Building 1. These loose bricks often appear at the top of walls, or building corners where the mortar joints anchoring the masonry is exposed to weathering and temperature fluctuations on multiple sides. If not corrected, these loose bricks may create falling object liabilities, though the majority of loose bricks identified were observed over roofs and other areas with little to no pedestrian traffic.

b. Frequency: Non-Typical.

c. Proposed Repair: Remove and re-set or replace loose bricks with matching brick and mortar.

Photo 5 Loose and Missing Brick Masonry at Building 1

Photo 6 Loose Brick Masonry at Research Facility

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Text Box identify locations for bidding

7. Apparent Foundation Settlement at Addition

a. Description: A small addition, located near the north ambulance entrance to Building 1, was observed to be leaning away from the remainder of the structure. This structure was constructed after the original construction of Building 1 and appears to be experiencing foundation settlement. This is likely a result of poor soil consolidation during construction. In construction, the ground is often compacted to mechanically increase the density of the soil. This increases the load-bearing capacity of the soil, reduces water seepage, reduces swelling and contraction, and reduces the amount of soil settlement after construction has completed. Soil underneath this small addition does not appear to have been properly consolidated during initial construction and has since settled irregularly, creating the leaning condition.

b. Frequency: Non-Typical

c. Proposed Repair: Further investigation, possibly including destructive and non-destructive testing, may be required to further identify the source and create repair procedures for this condition.

Photo 19 Small Addition with Apparent Foundation Settlement

Photo 21 Infrared Image of Heat Loss due to Separation Between Addition and Main Structure

Photo 20 Leaning of Addition Creating Differential Separation Between Main Structure and Addition

Photo 22 Visual Image of Heat Loss due to Separation Between Addition and Main Structure

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6. Failed and Missing Sealant Joints and Cove Sealant

a. Description: Some sealant joints throughout the facade of Building 1 were noted to be deteriorated. Isolated sealant joints were observed with aged sealant as well as cohesive and adhesive failures. In some locations, sealant joints were missing completely, allowing the potential for moisture ingress into the building envelope. This deterioration was observed at some window units, building transitions, and shelf angles throughout the facade. Additionally, some sections of cove sealant around the perimeter of the structure was missing or observed with aged sealant and adhesive failures. This condition may allow moisture to infiltrate the joint and the ground below the structure, increasing the potential for moisture ingress into the structure.

b. Frequency: Non-Typical

c. Proposed Repair: Remove the failed sealant and backing material, if any. Clean the joint and install a properly designed joint system with correct joint geometry.

Photo 35 Aged Sealant with Cohesive Failures at Research Facility Shelf Angle

Photo 37 Adhesive Sealant Failure at Window Unit

Photo 36 Missing Sealant at Building 1 Joint

Photo 38 Missing Cove Sealant with Organic Growth

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only address failed adhesive