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Title |
Pgs |
Photo |
Type |
File |
| 1 |
Materials Lab - Report No. 06-090 Torque vs. load test |
4 |
0 |
Adobe PDF file |
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| 2 |
Materials Lab - Report No. 06-079 Anchor Displacement Data |
37 |
0 |
Adobe PDF file |
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| 3 |
Anchor Displacement Data Analysis Study |
7 |
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Adobe PDF file |
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| 4 |
Materials Lab - Report No. 06-075 Sequence Study |
10 |
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Adobe PDF file |
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| 5 |
Materials Lab - Report No. 06-073 Core Samples |
27 |
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Adobe PDF file |
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| 6 |
Materials Lab - Factual Report 06-092 |
14 |
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Adobe PDF file |
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| 7 |
Materials Lab - Report 09-091 Anchors and anchor holes |
90 |
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Adobe PDF file |
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| 8 |
FHWA Report on Load and Load Displacement Testing of Anchors in the Tunnel |
314 |
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Adobe PDF file |
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| 9 |
Materials Laboratory Factual Report 06-105, Preliminary Testing of Epoxy |
62 |
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Adobe PDF file |
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| 10 |
Materials Lab - Final factual report 07-018, purging study |
6 |
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Adobe PDF file |
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| 11 |
Construction Management - Group Chairman Factual Report |
30 |
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Adobe PDF file |
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| 12 |
Polymer Characterization Report from Massachusetts Institute of Technology |
93 |
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Adobe PDF file |
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| 13 |
FHWA Report - Parametric Laboratory Study of Anchor Strength under Short-Term Loading |
249 |
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Adobe PDF file |
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| 14 |
Human Performance - Group Chairman Factual Report |
19 |
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Adobe PDF file |
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| 15 |
Human Performance - Attachment A: Section 2 of Contract General Provisions |
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Adobe PDF file |
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| 16 |
Human Performance - Attachment B: Design Specifications Section 723.480, 3.07 |
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Adobe PDF file |
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| 17 |
Human Performance - Attachment C: Meeting Notes, September 27, 2006 |
3 |
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Adobe PDF file |
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| 18 |
Human Performance - Attachment D: Pages from Powers-Rawl Fastening Systems Design Manual, Second Edition |
9 |
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Adobe PDF file |
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| 19 |
Human Performance - Attachment E: Narratives of Investigative Interviews |
10 |
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Adobe PDF file |
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| 20 |
Human Performance - Attachment F: Transcript of Investigative Interview |
33 |
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Adobe PDF file |
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| 21 |
Human Performance - Attachment G: Excerpts from field engineer's daily report (FEDR) |
45 |
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Adobe PDF file |
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| 22 |
Human Performance - Attachment H: HOV Anchor Displacement Correspondence |
68 |
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Adobe PDF file |
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| 23 |
Interview with ConAm inspection employee |
3 |
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Adobe PDF file |
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| 24 |
Deposition of Powers Fasteners employee |
15 |
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Adobe PDF file |
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| 25 |
Materials Laboratory Factual Report 07-067, Epoxy Phase Separation |
5 |
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Adobe PDF file |
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| 26 |
Materials Laboratory Factual Report 07-064, Lap Shear Testing |
36 |
0 |
Adobe PDF file |
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| 27 |
Materials Laboratory Factual Report 07-070, Creep Test of Fast Set per AC 58 |
25 |
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Adobe PDF file |
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| 28 |
NIST Report, Thermo-viscoelastic Characterization of Epoxy, NISTIR 7429 |
37 |
0 |
Adobe PDF file |
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| 29 |
Structural - Structural Group Chairman Addendum to Factual Report |
14 |
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Adobe PDF file |
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| 30 |
Structural - Structural Group Chairman Factual Report |
82 |
0 |
Adobe PDF file |
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| 31 |
HWY Photo - 01, Aerial view of D Street Portal and I-90 boat area |
1 |
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Adobe PDF file |
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| 32 |
HWY Photo - 02, Additional aerial photo of D Street Portal |
1 |
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Adobe PDF file |
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| 33 |
HWY Photo - 03, View of I-90 Connector Tunnel Ceiling Finishes |
1 |
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Adobe PDF file |
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| 34 |
HWY Photo - 04, Additional view of I-90 Connector Tunnel Ceiling Finishes |
1 |
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Adobe PDF file |
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| 35 |
HWY Photo - 05, View of Ted Williams Tunnel Ceiling Finishes (source: Mass HWY) |
1 |
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Adobe PDF file |
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| 36 |
HWY Photo - 06, View looking east in the D Street Portal showing ceiling panels on accident vehicle |
1 |
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Adobe PDF file |
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| 37 |
HWY Photo - 07, Overhead view of damage to the accident vehicle |
1 |
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Adobe PDF file |
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| 38 |
STR Photo-01, View of 2-anchor roof hanger plate that has begun to pull away from the tunnel roof in the westbound D Street portal tunnel after the accident |
1 |
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Adobe PDF file |
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| 39 |
STR Photo-02, View of 2-anchor roof hanger plate that has begun to pull away from the tunnel roof in the westbound D Street portal tunnel after the accident |
1 |
0 |
Adobe PDF file |
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| 40 |
STR Photo-03, View of 4-anchor roof hanger plate that has begun to pull away from the tunnel roof in the westbound D Street portal tunnel after the accident |
1 |
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Adobe PDF file |
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| 41 |
STR Photo-04, View of 2-anchor roof hanger plates that have begun to pull away from the tunnel roof in the westbound D Street portal tunnel after the accident |
1 |
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Adobe PDF file |
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| 42 |
STR Photo-05, View of 4-anchor roof hanger plate that has begun to pull away from the tunnel roof in the westbound D Street portal tunnel after the accident |
1 |
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Adobe PDF file |
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| 43 |
STR Photo-06, Looking to the east, view of eastbound D Street portal of the collapsed concrete panels |
1 |
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Adobe PDF file |
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| 44 |
STR Photo-07, Looking to the north, view of eastbound D Street portal of the collapsed concrete panels |
1 |
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Adobe PDF file |
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| 45 |
STR Photo-08, Looking to the west, view of eastbound D Street portal of the collapsed concrete panels |
1 |
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Adobe PDF file |
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| 46 |
Structural - Attachment 1, Memorandum to the National Transportation Safety Board from Gannett Fleming, Inc. dated August 4, 2006 (Updated November 2, 2006) |
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Adobe PDF file |
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| 47 |
Structural - Attachment 2, Contractor transmittal (submittal number 723.480-014 C) from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated January 7, 2000 |
34 |
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Adobe PDF file |
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| 48 |
Structural - Attachment 3, Design Policy Memorandum No. 107 Tunnel Finish Details dated March 13, 1997 |
40 |
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Adobe PDF file |
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| 49 |
Structural - Attachment 4, Federal Highway Administration (FHWA) Turner-Fairbank Highway Research Center Finite Element Design Analysis Report |
38 |
0 |
Adobe PDF file |
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| 50 |
Structural - Attachment 5, Manufacturer literature from Power's Fasteners, Inc. on maximum torque values and torque ranges for the adhesive anchoring system |
3 |
0 |
Adobe PDF file |
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| 51 |
Structural - Attachment 6, Facsimile Transmittal from Massachusetts Highway Department to Gannett Fleming, Inc. dated September 23, 1998 giving direction on proof test load for anchors |
3 |
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Adobe PDF file |
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| 52 |
Structural - Attachment 7, Contractor transmittal (submittal number 723.480-009 B) from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated October 15, 1999 regarding the ceiling module erection procedure |
14 |
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Adobe PDF file |
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| 53 |
Structural - Attachment 8, Manufacturer literature from Power's Fasteners, Inc. on installation requirements for the adhesive anchoring system |
4 |
0 |
Adobe PDF file |
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| 54 |
Structural - Attachment 9, Letter from Modern Continental Company to Bechtel / Parsons Brinckerhoff dated October 7, 1999 indicating a small percentage of the adhesive anchors in the HOV ceiling mockup appear to show signs of tensile movement |
2 |
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Adobe PDF file |
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| 55 |
Structural - Attachment 10, Response Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated October 12, 1999 |
3 |
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Adobe PDF file |
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| 56 |
Structural - Attachment 11, Response Letter from Modern Continental Company to Bechtel / Parsons Brinckerhoff dated November 8, 1999 |
7 |
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Adobe PDF file |
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| 57 |
Structural - Attachment 12, Response Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated November 11, 1999 |
3 |
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Adobe PDF file |
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| 58 |
Structural - Attachment 13, Response Letter from Modern Continental Company to Bechtel / Parsons Brinckerhoff dated December 2, 1999 |
7 |
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Adobe PDF file |
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| 59 |
Structural - Attachment 14, Contractor transmittal (submittal number 723.480-016 A) from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated December 27, 1999 |
3 |
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Adobe PDF file |
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| 60 |
Structural - Attachment 15, Response Letter from Modern Continental Company to Bechtel / Parsons Brinckerhoff dated December 29, 1999 |
3 |
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Adobe PDF file |
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| 61 |
Structural - Attachment 16, Response Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated January 7, 2000 |
3 |
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Adobe PDF file |
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| 62 |
Structural - Attachment 17, Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated January 7, 2000 |
3 |
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Adobe PDF file |
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| 63 |
Structural - Attachment 18, Response Letter from Modern Continental Company to Bechtel / Parsons Brinckerhoff dated January 19, 2000 |
3 |
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Adobe PDF file |
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| 64 |
Structural - Attachment 19, Response Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated February 7, 2000 |
3 |
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Adobe PDF file |
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| 65 |
Structural - Attachment 20, Adhesive Anchor Repair Procedure submitted by Modern Continental Company to Bechtel / Parsons Brinckerhoff dated February 16, 2000 |
4 |
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Adobe PDF file |
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| 66 |
Structural - Attachment 21, Internal Memorandum from Staff of Bechtel / Parsons Brinckerhoff dated August 31, 2000 Recommending Disposition of Deficiency Report No. 1 be Closed |
12 |
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Adobe PDF file |
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| 67 |
Structural - Attachment 22, Letter from Modern Continental Company to Bechtel / Parsons Brinckerhoff dated September 18, 2000 |
6 |
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Adobe PDF file |
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| 68 |
Structural - Attachment 23, Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated January 26, 2001 indicating corrective action had been verified and Deficiency Report No. 1 was closed |
3 |
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Adobe PDF file |
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| 69 |
Structural - Attachment 24, Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated March 15, 2001 enclosing a fully executed original of the contract modification |
4 |
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Adobe PDF file |
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| 70 |
Structural - Attachment 25, The Commonwealth of Massachusetts Office of the Inspector General, A Review of the Central Artery / Tunnel Project's Use of Anchor Bolts on the C05B1 Tunnel Finishes Contract |
37 |
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Adobe PDF file |
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| 71 |
Structural - Attachment 26, Letter from Modern Continental Company to Bechtel / Parsons Brinckerhoff dated January 13, 1999 requesting consideration of a Celline Metal Panel Structural Ceiling System |
7 |
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Adobe PDF file |
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| 72 |
Structural - Attachment 27, Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated February 24, 1999 indicating Value Engineering Cost Proposal was not acceptable |
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Adobe PDF file |
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| 73 |
Structural - Attachment 28, Letter from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated March 25, 1999 indicating Value Engineering Cost Proposal should not be pursued further |
2 |
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Adobe PDF file |
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| 74 |
Structural - Attachment 29, Letter from Environmental Interiors, Inc. to Modern Continental Company dated March 9, 1999 withdrawing a proposal for a Celline Metal Panel Ceiling System |
5 |
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Adobe PDF file |
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| 75 |
Structural - Attachment 30, Contractor transmittal (submittal number 723.480-008 A) from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated May 27, 1999 |
8 |
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Adobe PDF file |
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| 76 |
Structural - Attachment 31, Contractor transmittal (submittal number 723.480-008 D) from Bechtel / Parsons Brinckerhoff (Authorized Representative) to Modern Continental Company dated February 4, 2000 |
6 |
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Adobe PDF file |
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| 77 |
Structural - Attachment 32, Memorandum from the Massachusetts Turnpike Authority (MTA) to NTSB dated January 12, 2007 regarding Inspection Manual for Tunnels and Boat Structures, Volume 5 |
6 |
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Adobe PDF file |
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| 78 |
Structural - Attachment 33, Letter from Gannett Fleming, Inc. to Bechtel / Parsons Brinckerhoff (Authorized Representative) dated August 25, 1997 regarding proposal for alternate anchor system |
4 |
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Adobe PDF file |
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| 79 |
Structural - Attachment 34, Memorandum from Gannett Fleming, Inc. dated October 12, 1998 regarding the use of factor of safety of two (2) applied to manufacturer's ultimate capacities |
2 |
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Adobe PDF file |
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| 80 |
State Police Crash Report |
3 |
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Adobe PDF file |
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| 81 |
Materials Laboratory Study 07-063, Finite Element Analysis of Anchor with and without void |
39 |
0 |
Adobe PDF file |
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| 82 |
FHWA Report on Sustained Load Testing in the D Street Portal |
82 |
0 |
Adobe PDF file |
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| 83 |
ICBO ER-4514 on August 14, 2006 |
11 |
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Adobe PDF file |
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| 84 |
ICC ESR-1531 on August 14, 2006 |
16 |
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Adobe PDF file |
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| 85 |
Power Fast Plus datasheet on August 7, 2006 |
18 |
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Adobe PDF file |
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| 86 |
Power Fast Plus MSDS on August 7, 2006 |
6 |
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Adobe PDF file |
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| 87 |
Sikadur AnchorFix 3 datasheet on July 31, 2006 |
2 |
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Adobe PDF file |
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| 88 |
Sikadur AnchorFix 3 MSDS A on July 31, 2006 |
5 |
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Adobe PDF file |
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| 89 |
Sikadur AnchorFix 3 MSDS B on July 31, 2006 |
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| 90 |
Sikadur AnchorFix 4 datasheet on July 31, 2006 |
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Adobe PDF file |
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| 91 |
Sikadur AnchorFix 4 MSDS A on July 31, 2006 |
5 |
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Adobe PDF file |
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| 92 |
Sikadur AnchorFix 4 MSDS B on July 31, 2006 |
5 |
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Adobe PDF file |
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| 93 |
Creep compliance for Fast Set and Standard Set plotted on linear scales |
1 |
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Adobe PDF file |
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| 94 |
FHWA Laboratory Creep Testing Report |
99 |
0 |
Adobe PDF file |
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