2018_04_03_OSTB_WJE_Roof_Core_Memo_and_Plan.pdf

Wiss, Janney, Elstner Associates, Inc.

2000 Powell Street, Suite 1650

Emeryville, California 94608

510.428.2907 tel | 510.428.0456 fax www.wje.com

MEMORANDUM

To:

Jason Longshore

From:

Una Gilmartin

Date:

April 3, 2018

Project:

Rehabilitate Exterior Envelope and Historic Elements of the Old Santa Fe Trail Building

WJE No. 2016.1202.1

Subject:

Old Santa Fe Trail Building-Roof Core Data

On September 20, 2016, WJE performed a site visit for the Old Santa Fe Trail Building project. Ben Lueck of WJE observed the extraction of six roof cores. The information gathered about the nature of the composition of the roofing, from these roof cores is described in Table 1. The approximate location of each roof core is shown on Figure 1.

Table 1. OLD SANTA FE ROOF CORE DATA

Core # Roof Components

1 5 3/8” total thickness. 3/8” membrane over 1 1/2” brown, fibrous insulation over

3 1/2” pale yellow, cellular insulation over decking

2 Same as Core #1

3 Same as Core #1

4 1/2” membrane over building paper over decking

5 Same as Core #1

6 Same as Core #1

Annex Drainage Improvements Giddings, TX WJE No. 2016.4774 rbyarl Text Box

NOTES:

1. Drawing is not to scale.

2. Drawing is for information only.

3. (E) roof plan shown is based on line work provided by NPS, by Anderson Hallas Architects, PC, dated 03/30/2011

4. Roof core samples taken 09/20/2016 rbyarl Text Box Rehabilitate Exterior Envelope and Historic Elements of the Old Santa Fe Trail Building rbyarl Text Box WJE No. 2016.1202.1 rbyarl Text Box Figure No. 1:

Roof Plan - Core Locations rbyarl Callout Core #2 rbyarl Callout Core #1 rbyarl Callout Core #3 rbyarl Callout Core #4 rbyarl Callout Core #5 rbyarl Callout Core #6