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Montgomery County Government Department of General Services - Building Design and Construction Silver Spring Transit Center Structural Evaluation of Superstructure March 15, 2013 The SSTC is a cast‐in‐place (CIP), post‐tensioned reinforced concrete structure with two elevated structural levels and an at‐grade level. The facility is located at 8400 Colesville Road, Silver Spring, Maryland. During construction, circa 2010, concerns were raised about the thickness of the elevated slabs and positioning of the post‐tensioning tendons. In 2012, Montgomery County retained KCE, who in turn retained Wiss, Janney, Elstner Associates, Inc. (WJE), Walter P Moore and Associates, Inc. (WPM) and others to assess, as a team, the as‐designed and as‐built structure. The purpose of this report is to summarize KCE's evaluations. Silver Spring Transit Center Structural Evaluation of Superstructure We recommend you download the pdf files to your computer and open with a current version of a .pdf reader. These files are large and may take some time to download. Please follow this link to download the latest version of Adobe Reader. Attachments - Volume 1 Attachments - Volume 2 Attachments - Volume 3 The following links are the detailed analysis, test results, studies and other information used by KCE and other consultants to develop the Silver Spring Transit Center Structural Evaluation of Superstructure report (link provided above): Exhibit A1 Exhibit A2 Exhibit A3 Exhibit A4 Exhibit A5 Exhibit A6 Exhibit AA1 Exhibit B1 Exhibit B2 Exhibit B3 Exhibit B4 Exhibit B5 Exhibit B6 Exhibit B7 Exhibit B8 Exhibit B9 Exhibit B10 Exhibit B11 Exhibit C1 Exhibit D1 Exhibit D2 Exhibit D3 Exhibit E1 Exhibit F1 Exhibit G1 Exhibit H1 Exhibit H2 Exhibit H3 Exhibit H4 Exhibit H5 Exhibit H6 Exhibit J1 Exhibit J2 Exhibit J3 Exhibit K1 Exhibit L1 Exhibit M1 Exhibit N1 Exhibit N2 Exhibit O1 Exhibit P1 Exhibit P2 Exhibit P3 Exhibit P4 Exhibit P5 Exhibit Q1 Exhibit R1 Exhibit R2 Exhibit R3 Exhibit R4 Exhibit S1 Exhibit S2 Exhibit T1 Exhibit U1 Exhibit U2 Exhibit U3 Exhibit U4 Exhibit U5 Exhibit U6 Exhibit U8 Exhibit V1 Exhibit W1 Exhibit W2 Exhibit W3 Exhibit X1 Exhibit Y1 Exhibit Y2 Exhibit Y3 Exhibit Y4 Exhibit Y5 Exhibit Y6 Exhibit Y7 Exhibit Z1
Montgomery County Government
Department of General Services - Building Design and Construction
Silver Spring Transit Center Structural Evaluation of Superstructure March 15, 2013
The SSTC is a cast‐in‐place (CIP), post‐tensioned reinforced concrete structure with two elevated structural levels and an at‐grade level. The facility is located at 8400 Colesville Road, Silver Spring, Maryland.
During construction, circa 2010, concerns were raised about the thickness of the elevated slabs and positioning of the post‐tensioning tendons.
In 2012, Montgomery County retained KCE, who in turn retained Wiss, Janney, Elstner Associates, Inc. (WJE), Walter P Moore and Associates, Inc. (WPM) and others to assess, as a team, the as‐designed and as‐built structure. The purpose of this report is to summarize KCE's evaluations.
Silver Spring Transit Center Structural Evaluation of Superstructure
We recommend you download the pdf files to your computer and open with a current version of a .pdf reader. These files are large and may take some time to download. Please follow this link to download the latest version of Adobe Reader. Attachments - Volume 1
Attachments - Volume 2
Attachments - Volume 3
The following links are the detailed analysis, test results, studies and other information used by KCE and other consultants to develop the Silver Spring Transit Center Structural Evaluation of Superstructure report (link provided above):
Exhibit A1 Exhibit A2 Exhibit A3 Exhibit A4 Exhibit A5 Exhibit A6 Exhibit AA1 Exhibit B1 Exhibit B2 Exhibit B3 Exhibit B4 Exhibit B5 Exhibit B6 Exhibit B7 Exhibit B8 Exhibit B9 Exhibit B10 Exhibit B11 Exhibit C1 Exhibit D1 Exhibit D2 Exhibit D3 Exhibit E1 Exhibit F1 Exhibit G1 Exhibit H1 Exhibit H2 Exhibit H3 Exhibit H4 Exhibit H5 Exhibit H6 Exhibit J1 Exhibit J2 Exhibit J3 Exhibit K1 Exhibit L1 Exhibit M1 Exhibit N1 Exhibit N2 Exhibit O1 Exhibit P1 Exhibit P2 Exhibit P3 Exhibit P4 Exhibit P5 Exhibit Q1 Exhibit R1 Exhibit R2 Exhibit R3 Exhibit R4 Exhibit S1 Exhibit S2 Exhibit T1 Exhibit U1 Exhibit U2 Exhibit U3 Exhibit U4 Exhibit U5 Exhibit U6 Exhibit U8 Exhibit V1 Exhibit W1 Exhibit W2 Exhibit W3 Exhibit X1 Exhibit Y1 Exhibit Y2 Exhibit Y3 Exhibit Y4 Exhibit Y5 Exhibit Y6 Exhibit Y7 Exhibit Z1
Department of General Services 9th floor, 101 Monroe Street Rockville MD 20850