9 - 1 1 R e s e a r c h

an attempt to uncover the truth about September 11th 2001
mirror of “NERDCITIES/GUARDIAN” site : disclaimer

SEAoNY Summary of Identified WTC Steel Pieces at Salvage Yards as of March 15, 2002.

So that we can learn from the tragedy of September 11 (the pathetically small number of) 146 pieces of steel, were saved for future study. Of course, those responsible for September 11, want us to learn nothing.


L denotes the length of the piece in question.

 YardTrip DateNote TakerPiece ID MarkdtwbfttftbftsLRemarks (description, photos/videos, coupons)
1CM10/10/01 01See RemarksOne of 10 full-size pieces of exterior and interior columns marked during ASCE visits. These pieces were accidentially processed in salvage yard operations before being documented.
2CM10/10/01 0213-1/2"2-1/2"9"7/8"7/8"15/16"36'One full-length perimeter column w/2 99" long spandrel plates suggesting use in sky lobby location. Piece painted with markings "ASTANEH 2 ASCE". Piece was in Astaneh's pile and was measured by David Sharp of SEAoNY on 3/11/02.
3CM10/10/01 0313-1/2"1-7/8"10-1/2"5/8"5/8"~3/4"17'One perimeter column w/portion of a spandrel plate. Stamped markings "L20421 144 45". Piece painted with markings "ASTANEH 3 ASCE". Piece was in Astaneh's pile and was measured by David Sharp of SEAoNY on 3/11/02.
4CM10/10/01 04See RemarksSame as Piece 01, above.
5CM10/10/01 05See RemarksSame as Piece 01, above.
6CM10/10/01 06See RemarksSame as Piece 01, above.
7CM10/10/01 07See RemarksSame as Piece 01, above.
8CM10/10/01 08See RemarksSame as Piece 01, above.
9CM10/10/01 09See RemarksSame as Piece 01, above.
10CM10/10/01 10See RemarksSame as Piece 01, above.
11CM10/10/01 11See RemarksFire-damaged piece of wide flange. Otherwise, same as Piece 01, above.
12CM12/19/01GilsanzAA11"1-3/8"11-1/4"9/16"n/a1-1/4" (Photo:DKoutsoubis:1/30/02:#43-48) From WTC 1 or 2 with fire damage &/or floor location. Depth measurement does not include portion of web beyond bottom flange.
13CM12/19/01GilsanzBB11"n/a11-3/8"7/16"n/a9/16" (Photo:DKoutsoubis:1/30/02:#49-52). From WTC 1 or 2 with fire damage &/or floor location. Depth measurement does not include portion of web beyond bottom flange.
14CM12/19/01GilsanzCC10-7/8"1-1/8"11-1/2"7/16"3/8"9/16" (Photo:DKoutsoubis:1/30/02:#53-58) From WTC 1 or 2 with fire damage &/or floor location. Depth measurement does not include portion of web beyond bottom flange.
15CM12/19/01GilsanzDD13-7/8"1-1/8"11-1/4"1/4"3/8"1/2" (Photo:DKoutsoubis:1/30/02:#59-62) From WTC 1 or 2 with fire damage &/or floor location.
16CM12/19/01GilsanzEEn/a7/16"n/a~1/4"~1/4"7/16" (Photo:DKoutsoubis:1/30/02:#74-82) From WTC 1 or 2 with fire damage &/or floor location.
17CM12/19/01SharpFF13-1/2"1-9/16"10-5/8"~3/8"7/16"1-1/4" 25'Piece marked 12/19/01, measured 1/30/02. (Photo:DKoutsoubis:1/30/02:#83-88)Single bow-shaped badly burned perimeter column. "Left" column from interior perspective determined by bolt splice. Primer gone.
18CM12/19/01SharpGGSee RemarksPiece marked 12/19/01, measured 1/30/02. Sample of a bolt splice taken from a perimeter column from sky-lobby floor as indicated by two large spandrel plates. Piece was selected for intact bolt splice only. Photo:DKoutsoubis:1/30/02:#89-97.
19CM12/19/01SharpHH12"1/2"12-1/4"3/4"3/4"n/a14'Piece marked 12/19/01, measured 1/30/02. (Photo:DKoutsoubis:1/30/02:#98-102) Core column section with bottom and splice intact, brittle failure in midpoint.
20CM12/19/01Gilsanz/SharpA or W14A16" 15-1/2"1-3/16"   WTC#7 W14 chosen for seat section response. Seat measurements taken. Seat is 8" X 7-1/2" X 3/8" thick. Stiffener is 9-5/8" X 5-1/4" X 3/8" thick. Bolt holes are 15/ 16". Photo by DKoutsoubis:1/30/02:#68-73.
21CM12/19/01Gilsanz/SharpB or W14BSee RemarksWTC#7 W14 chosen due to seat section response. Seat measurments taken. Seat is 7-1/2" X 7-1/4" X 3/8" thick. Photo by DKoutsoubis:1/30/02:#63-67.
22CM1/08/02BonillaC1011-1/2"3/16"14"3/8"5/16"3/8" Chosen due to floor location. Perimeter column from WTC 1 or 2 Piece marked "88-85 L2337 451". DSharp photo.
23CM1/8/02BonillaC1111-1/2"n/a"14"1/4"1/4"3/8" Chosen due to floor location. Perimeter column from WTC 1 or 2. DSharp photo.
24CM1/21/02KoutsoubisC12a14-3/4"5/8"14-3/4"1"   Chosen due to connection type. WTC#7 W14 tree column-column piece.(Photo:DKoutsoubis:1/21/02:#40-45).
 CM1/21/02KoutsoubisC12b23-5/8"1/2"7"5/8"   WTC#7 W14 tree column-beam piece. Beam arm length is 4' 5-1/8" Attached to C12a. (Photo:DKoutsoubis:1/21/02:#40-45).
25CM1/23/02SharpC13a13-3/4"1/4"13-1/2"1/4"1/4"3/8"~30 ftChosen due to floor location. Markings on Steel: "321 B200 92 90 3T <569>".(Photo:DKoutsoubis:1/25/02:#15-19).
 CM1/23/02SharpC13b7-5/8"1/4"12-1/2"5/16"1/4"3/8" Box column attached to C-13a. Possibly indicates f/corner of WTC 1 or 2.(Photo:DKoutsoubis:1/25/02:#20-25).
26CM1/23/02SharpC14a13-1/2"1/4"13-1/4"5/16"5/16"3/8" Chosen due to floor location. Perimeter column from WTC 1 or 2.(Photo:DKoutsoubis:1/25/02:#10-14) Markings "3T <570> B300 85-87".
 CM1/24/02SharpC14bn/a5/16"5-7/8"n/an/an/a" Small portion of a box section, attached to C14a. Small `Tin' box too.
27CM1/23/02SharpC1513-3/8"1/4"13-1/4"1/4"~3/8"3/8" Perimeter Column from WTC 1 or 2, no clearly evident markings. Chosen due to floor location.(Photo:DKoutsoubis:1/25/02:#26-30).
28CM1/23/02SharpC1613-3/4"1/4"13"+ 1/4"1/4"3/8"~15ftMarking on t+M43op of diaphragm plate (or top of column?) "75 1 203" Chosen due to floor location. (Photo:DKoutsoubis:1/25/02:#90-94).
29CM1/23/02SharpC1713-1/2"1/4"13-1/2"1/4"3/16"3/8" Two perimeter columns from WTC 2?. Chosen due to floor location. Markings: "92-95" "248B 224" (Photo:DKoutsoubis:1/25/02:#39-42).
30CM1/23/02SharpC1813-3/4"1/4"13-3/8"1/4"1/4"3/8" Nut and washer found in box, as well as a letter from AON "Two World Trade Center". (Photo:DKoutsoubis:1/25/02:#31-37) Markings: "+3/16"
31CM1/23/02SharpC1913-1/2"1/4"12-3/4"1/4"1/4"3/8"~15ftSingle perimeter column from WTC 1 or 2. Chosen due to floor location. Fire damage. (Photo:DKoutsoubis:43-48).
32CM1/23/02SharpC2013-1/4"1/4"13-3/8"5/16"1/4"3/8" Three perimeter columns together, chosen due to floor location and some evidence of fire damage on connection. (Photo:DKoutsoubis:1/25/02:#51-55) Markings "4T <557> 91-94" Floor connection upside down?
33CM1/23/02BonillaC2113-1/2"1/4"13-1/2"1/4"1/4"3/8" Perimeter Column from WTC 1 or 2 Chosen due to floor location.(Photo:DKoutsoubis:1/25/02:#65-70).
34CM1/23/02BonillaC2213-1/2"1/4"13-1/4"1/4"1/4"3/8" Piece is marked: "PONYA 4T <69> A?? 93 - ??. Chosen due to floor location and moderate fire damage. Stamped "3145 96-93" (Photo:DKoutsoubis:1/25/02:#124- 127).
35CM1/23/02BonillaC2313-1/2"9/32"13-3/8"5/16"1/4"3/8" Perimeter column section flared apart, no fire, column ends peeled apart. Chosen due to floor location.
36CM1/25/02BonillaC2413-1/2"5/8"13"5/16"1/4"5/8" (Photo:DKoutsoubis:1/25/02:#83-86) Chosen due to availability of column to column bolts being intact, 9 of 12 3/4" bolts available Depth of spandrel 8' 3". Piece marked "77-78 203".
37CM1/25/02BonillaC2513-1/2"1/4"+13"5/16"1/4"3/8"~16 ft(Photo:DKoutsoubis:1/25/02:#83-86)Chosen due to floor location. No clearly evident fire damage, single perimeter column w/2 spandrel plates Crayon markings: "A206 <69> 89-92".
38CM1/25/02SharpC2627-1/4"1/2"10-1/4"3/4"3/4"  (Photo:DKoutsoubis:1/25/02:#56-64) Chosen due member type, 2 1" gusset plates w/3 connecting W sections. Main section has utility cut-outs RB&W ASTM A490 bolts.
39CM1/25/02SharpC2712-1/4"3/8"10"9/16"9/16" ~14 ft(Photo:DKoutsoubis:1/25/02:#71-77) Chosen due member type, W12 bow-shaped.
40CM1/25/02BonillaC28a13-1/25/16"13"5/16"n/a3/8" (Photo:DKoutsoubis:1/25/02:#136-139) Chosen due to floor location.
 CM1/26/02BonillaC28b7-3/8"3/8"12-1/4"5/16"n/a3/8" Attached to C28a, square column w/rectangular column. Intact seat, 3 or 4 bolts present.
41CM1/25/02SharpC2914-3/4"1-1/8"12-1/2"1-3/4"1-3/4"  (Photo:DKoutsoubis:1/25/02:#101-107) Chosen due to member type and weight, W14 `C'-shaped.
42CM1/25/02SharpC3016-1/2"1-1/8"15-7/8"1-7/8"1-7/8"  (Photo:DKoutsoubis:1/25/02:#108-111) Chosen due to member type and weight, W14 `C'-shaped.
43CM1/25/02KoutsoubisC31a15-3/8"13/16"15-1/2"1-1/4"1-1/4" ~24 ft(Photo:DKoutsoubis:1/25/02:#118-123) W14 Tree. Chosen due to piece type.
 CM1/25/02KoutsoubisC31b24"1/2"7"5/8"5/8"  Matching beam attached to C31a column tree.
44CM1/25/02KoutsoubisC3214"1-3/8"11-1/4"7/16"7/16"11/16" (Photo:DKoutsoubis:1/25/02:#128-131) Selected by Steficek due to fire damage.
45CM1/25/02KoutsoubisC3313-3/4"1/2"n/a1/4"n/a7/16" Selected by Steficek.Chosen due to piece type/original floor location. Photo byDKoutsoubis:1/25/02:#132-135.
46CM1/25/02KoutsoubisC3414"1"12"3/8"3/8"1/2" Selected by Steficek. Chosen due to piece type/original floor location. Photo byDKoutsoubis:1/25/02:#140-143.
47CM1/25/02KoutsoubisC3514"7/8"12-1/2"1-1/2"1-1/2" ~36 ft.(Photo:DKoutsoubis:1/25/02:#144-146)Selected by Bonilla. W section column w/slot connections.
48CM1/30/02SharpC4013-1/2"5/16"13"1/4"1/4"3/8"~20 ft(Photo:DKoutsoubis:1/30/02:#6-12) 2 joined perimeter columns chosen due to floor location. Bent in middle. Marking: "98-101 <69> 5T 101".
49CM1/30/02SharpC4113-1/2"3/8"13-1/8"1/4"n/a3/8"~20 ft(Photo:DKoutsoubis:1/30/02:#13-19) 1 perimeter column with 2 areas of firedamage. Chosen due to floor location.
50CM1/30/02SharpC42a14-5/8" 14-5/8"1"   (Photo:DKoutsoubis:1/30/02:#20-26) Chosen to member type, column tree W14 w/2floor connections.
 CM1/30/02SharpC42b23-7/8" 7"9/16"   Beam attached to C42b column.
51CM1/30/02SharpC4313"3/8"13-1/2"7/16"5/16"3/8"~20 ft(Photo:DKoutsoubis:1/30/02:#27-31) Chosen due to floor location. Fire damaged mangled end.
52CM1/30/02SharpC4412-1/8" 10"5/8"  ~13 ft(Photo:DKoutsoubis:1/30/02:#32-35) W12 X58 Core column? Markings: "<563>59(S)".
53CM1/30/02SharpC4511-3/4" 12"5/8"3/8" ~15 ft(Photo:DKoutsoubis:1/30/02:#36-42) W12 x65 Core column? Markings: "<563>16(S2)".
54CM2/4/02SharpC4613-1/2"5/8"12-5/8"1/4"3/8"9/16" (Photo DSharp) 3 column section from tower 2, dimensions taken from `right' column. Chosen due to location just below impact area Tower B. Markings "PONYA 8T <569> B157-68-71" Moderate fire damage.
55CM2/4/02SharpC4713-1/2"1/4"13"1/4"1/4"3/8"~20 ft(Photo DSharp) 3 column section. Primer burned off. Rust. Webs split.
56CM2/4/02SharpC4813-1/2"1/4"13-1/4"1/4"1/4"3/8" (Photo DSharp) 2 perimeter columns from 1 or 2, fire damage on bottom.
57CM2/4/02SharpC4913-1/2"1/4"12-3/4"1/4"1/4"3/8"~12 ft(Photo DSharp) 1 perimeter column w/fire damage.
58CM2/4/02SharpC5013-1/2"3/8"13-1/8"1/4"1/4"3/8" (Photo DSharp) Folded in two. Markings "A103-8?" Piece stamped "L9863" "122-36 100".
59CM2/4/02SharpC5113-1/2"3/8"13"1/4"1/4"3/8" (Photo DSharp) 2 perimeter columns w/90 deg bend on one & 1/2 missing on the other.
60CM2/4/02SharpC5213-1/4"5/16"13-1/4"1/4"1/4"3/8"~15 ft(Photo DSharp) perimeter column, buckled at spandrel where there is fire damage. Unique seat configuration detail.
61CM2/4/02BonillaC53n/an/an/an/an/an/a Listed dimensions not applicable.Floor truss with L4" X 6-1/2" Seat. 8 L2x1-1/2 x 1/4.Bolt= 1-1/8" nom dia. Photo DSharp.
62CM2/6/02SharpC5413-1/2"1/4"13-1/2"1/4"1/4"none~4 ft(Photo DSharp) 13 ft piece of a perimeter column w/one plate extending ~15 ft.
63CM2/6/02SharpC5513-1/2"5/16"13-1/2"5/16"5/16"none~8 ft1 perimeter column section. DSharp photo.
64CM2/13/02BonillaC6010-1/2"1/2"12"3/4"   W Section 2 extreme bends. `S'-shaped.
65CM2/13/02BonillaC6110-3/4"1/2"12-1/4"3/4"   W Section. Markings "150 (S) <69> 13 152W093 367". DSharp photo.
66CM2/13/02BonillaC6211"1/2"12-1/4"5/8"   W Section. Markings "224(S) <48> 7409 351 F450" DSharp photo.
67CM2/13/02BonillaC6314-1/2"3/8"13"1/4"1/4"3/8" Perimeter column markings "97-100" Significant fire damage. 4 fasteners recovered from `box'. 3 nuts w/bolt piece. 1 nut with threads stripped. DSharp photo.
68CM2/13/02BonillaC6411-1/2"+1/4"n/a1/4"n/a3/8"~12 ftPerimeter column with only 3 sides remaining. DSharp photo.
69CM2/13/02BonillaC6510-3/4"1"12-1/2"1-1/2"   W Section. `C'-shaped. Concave side w/slotted clip. Convex side has connection plate. DSharp photo.
70CM2/19/02MassaC66a13"3/4"13-1/2"1-1/4"n/an/a Column Tree -column piece. DSharp photo.
 CM2/19/02MassaC66b~14-1/2"5/8"14-3/4"1"n/an/a Column tree -beam piece attached to C66a. DSharp photo.
71CM2/19/02MassaC67~11"+1/4"~13-1/2"n/a1/4"3/8" Single perimeter column from WTC 1 or 2 w/spandrel plate. DSharp photo.
72CM2/19/02MassaC6813-1/2"7/16"13"1/4"1/4"3/8"~16 ft4 bolts intact at col-col bearing plate.
73CM2/19/02MassaC6916"3/4"12"1-1/2"n/an/a~7 ftDouble `T'-section bolted at web. Cracked and missing washers. DSharp photo.
74CM2/19/02MassaC7011"1"12-1/2"1-3/4"n/an/a~10 ftS'-shaped W-Section w/2 seats. DSharp photo.
75CM2/19/02MassaC7111"1"12-3/4"1-3/4"n/an/a~14 ftC'-shaped W-Section. DSharp photo.
76CM2/19/02MassaC72a12"3/4"14-1/2"1"n/an/a Column tree w/2 floor connections. Column piece markings "[6] 87-259". DSharp photo.
 CM2/19/02MassaC72b21-1/2"~1/2"~7"5/8"n/an/a Column tree w/2 floor connections. Beam piece attached to C72a. DSharp photo.
77CM2/19/02MassaC7313-1/4"3/8"13-1/4"1/4"1/4"3/8"~15 ftPerimeter column from WTC 1 or 2 w/spandrel plate. DSharp photo.
78CM2/19/02MassaC74a12-1/2"3/4"14-1/2"1"n/an/a~10 ftColumn tree -- column piece attached to C72b. DSharp photo.
 CM2/19/02MassaC74b~22-1/2"7/16"7"1/2"n/an/a Column tree -- beam piece attached to C74a.
79CM2/19/02MassaC7513-1/2"7/8"12-1/4"5/16"5/16"3/8"~15 ftOne perimeter column for WTC 1 or 2 w/spandrel plate. DSharp photo.
80CM2/19/02MassaC7618-1/4"5/8"12"2" (1"X2)n/an/a~13 ftW-Section w/top and bottom plates splayed apart. Interm. Welds. DSharp photo.
81CM2/19/02MassaC7713-1/2"1/4"13-1/2"1/4"1/4"3/8" 2 perimeter columns pieces from WTC 1 or 2. Splice at spandrel. DSharp photo.
82CM2/19/02MassaC78a12-3/4"1-3/8"16"2-1/8"n/an/a~14 ftColumn tree, one floor -- column piece. DSharp photo.
 CM2/19/02MassaC78b22"7/16"7"5/8"n/an/a Column tree, one floor -- beam piece attached to C78a. DSharp photo.
83CM2/19/02MassaC794"3/8"16"3/4"n/an/a~14 ftRectangular column, core style from 1 or 2 WTC. DSharp photo.
84CM2/25/02SharpC80 15"7/8"15-1/2"1-3/8"n/an/aPerimeter column marked "603A 92-95 <51>".
85CM2/19/02MassaC81~31-1/2"7/8"16-1/2"1-5/8"1-5/8"n/a12'Photos AMassa and DSharp. Beam section painted "SAVE FEMA G". Flame cut on one end, ductile buckling on the other end.
86CM3/11/02SharpC82?Folded 7/16"10"11/16"2"n/a16'Beam section painted "SAVE FEMA H". Mechanical cut-outs, built-up bottom flange, ductile web buckling. Photo DSharp.
87CM3/11/02SharpC8313"1-1/2"34"1-1/2"1-1/2"n/a23'Core column box section originally chosen by Astaneh, and placed in his pile. Document by David Sharp of SEAoNY for information purposes.
88CM3/11/02SharpC8413-1/2"2-5/8"9-5/8"7/8"7/8"1-1/4"36'Piece originally selected by Astaneh and in his pile. Single full length perimeter column with 3 spandrel plates. Bolt splice suggests outer column of tree. Documented by David Sharp of SEAoNY for information purposes.
89CM3/11/02SharpC85a12-3/4"1-3/16"16"1-3/4"1-3/4"n/a Piece originally selected by Astaneh and in his pile. Column tree with 9'+ floor separation. Full width welded seat. 2 floors+ in length. Documented by David Sharp of SEAoNY for information purposes. Dimensions for column section.
 CM3/11/02SharpC85b15"7/16"~7"3/4"3/4"n/a Piece originally selected by Astaneh and in his pile. Beam section from C85a column tree. Documented by David Sharp of SEAoNY for information purposes.
90CM3/11/02SharpC86n/a 24"+1-1/2"13"1-1/2"1-1/2"n/a3'Small folded box section from core. Torch cut, originally chosen by Astaneh and in his pile. Documented by David Sharp of SEAoNY for information purposes.
91CM3/11/02SharpC87~22"7/16"10"1/2"2"n/a25'Beam section with viscous damper attached. Mechanical cut-outs and built-upbottom flange.
92CM3/11/02SharpC8812"1-1/2"16"1-1/2"1-1/2"n/a Core box column w/two straps and seat, painted "SAVE PA". Also has markings"<55?>" Completely splayed apart above seat.
93CM3/11/02SharpC8913-1/2"1-13/16"10-1/4"5/8"5/8"1-3/8"36'Two badly burned perimeter columns, full length. Spandrel plates flame cut. Markings stamped on piece: "L3 144 146 50 B215 15 12" Piece originally chosen by Astaneh and in his pile. Documented by David Sharp of SEAoNY for information purposes only.
94CM3/11/02SharpC908-3/4"3-1/4"37"3-1/4"3-1/4"n/a36'Core column box section originally chosen by Astaneh, and placed in his pile. Documented by David Sharp of SEAoNY for information purposes. Piece is `S'- shaped and has cracks running along the welds in buckles areas.
95CM3/14/02SharpC9110-5/8"3/4"4-1/8"1-3/8"1-3/8"n/a14'Beam section with built-up flanges and two seats. Probable core section floor truss connection. Splice plates on both ends.
96CM3/14/02SharpC9213-1/2"~1/2"13"1/4"1/4"3/8"15'Single perimeter column with 2 seats. `Outside' column from `right' via view from building interior. (bolt splice on right).
97CM3/14/02SharpC9313-1/2"5/16"13-1/4"1/4"1/4"3/8"8'One portion of a light construction perimeter column.
98KB11/20/01Gilsanz/Steficek See RemarksPortion of spandrel plate and two bolts from WTC 1 or 2. Coupon A. Photos: A-1(coupon cut location), A-2 (coupon side and top view), A-3(coupon bottom). Steficek video.
99KB11/20/01Gilsanz/Steficek See RemarksCoupon B of web and flange sections from perimeter column from WTC 1 or 2. Photos: B-1(coupon cut location), B-2 (coupon front), B-3(coupon perpendicular view). Steficek video
100KB11/20/01Gilsanz/Steficek See RemarksCoupon C of web and flange sections from perimeter column from WTC 1 or 2.Photos: C-1(coupon cut location), C-2 (coupon full view), C-3 (coupon side view). Steficek video
101KB12/19/01GilsanzK-1n/a7/16"n/a1/4"1/4"3/8" Chosen due to floor location. Piece marked "93-96".
102KB12/19/01GilsanzK-213-3/4"0.92"30"0.92"n/an/a Chosen due to fire damage, floor location.
103KB12/20/01ChuliverK1012"9/16"13"1/2"1/4"1/2" Chosen due to fire damage. Photo 1-by ABonilla. Coupon taken and brought to GMS. Coupon photo by AMassa.
104KB12/20/01ChuliverK1114"1-1/8"11-5/8"1/2"n/a1/2" Chosen due to fire damage. Photo 2-by ABonilla. Coupon taken and brought to GMS. Coupon photo by AMassa.
105KB12/20/01ChuliverK1213-3/4"7/16"13"5/8"n/a7/16" Chosen due to floor location. Photo 3-by ABonilla. Coupon taken and brought to GMS. Coupon photo by AMassa.
106KB12/20/01ChuliverK1313-11/16"1/4"13-1/2"1/4"9/16"3/8" Chosen due to floor location and fire damage. Photo 5-by ABonilla. Coupon taken and brought to GMS. Coupon photo by AMassa.
107KB12/20/01ChuliverK1413-1/2"1/4"13-3/16"3/8"1/2"3/8" Chosen due to floor location and fire damage. (Photo:DKoutsoubis:12/27/02:#32-41), Photos 6-7-by ABonilla. Stencil mark: floors 91-94. Coupon taken and brought to GMS. Coupon photo by AMassa.
108KB12/27/01ChuliverK15a13-1/4"1/4"13-1/2"5/16"?3/8" Chosen due to floor location. Photo 4-by DSharp. Coupon taken and brought to GMS. Coupon photo by AMassa.
 KB12/27/01ChuliverK15b7-3/8"3/8"12-1/4"3/8"1/4"  Chosen due to floor location. Photo 5-by DSharp Rectangular piece attached to K15a.
109KB1/19/02KoutsoubisK1613-7/8"1-3/8" to 1-3/4"11"1/2"3/8"1-1/4"- to 1-5/8" Chosen due to unique Thickness variations, due to corrosion or fire? Video Sharp. Photo:DKoutsoubis:1/19/02:#1-13.
110KB1/19/02KoutsoubisK1713-5/8"1-1/2"10-7/8"1/2"5/8"13/16" Chosen due to fire damage. Video by DSharp. Photos by Dkoutsoubis 1/16/02:#13-16 and 1/19/02:#14-24.
111KB12/27/01ChuliverK1811-1/4"3/8"13-1/4"1/4"3/8"1/4" Chosen due to floor location. Photos by DKoutsoubis:12/27/02:#14-22 and video:12/27/01:2m6s. Coupon taken and brought to GMS. Coupon photo by AMassa.
112KB12/27/01ChuliverK1914"7/8"12-1/4"5/16"n/a3/4" Chosen due to fire damage. Photos by DKoutsoubis:12/27/01:#23-27, 30-31 andvideo:12/27/01:1m24s.Coupon taken and brought to GMS. Coupon photo by AMassa.
113KB12/27/01KoutsoubisK2013-1/2"1/4+"131/4"1/4"3/8+" Chosen due to floor location. Photos by DKoutsoubis:12/19/01:#41-42 and 12/27/01:#1-11, and video:2m3s.
114KB1/18/02SharpK4011"1/4"13"1/4"1/4"3/8" Chosen due to floor location. Photos 59-60 (Hoy)? Marking on piece is 92-95. Also marked 252.
115KB1/18/02SharpK4113-3/8"3/8"13-1/2"1/4"1/4"3/8" Chosen due to floor location. Photos 57-58 (Hoy). Marking on piece is "L9901 120".
116KB1/19/02SharpK50See RemarksSample of washer failure. Piece photos by DKoutsoubis:1/30/02:#1-5. Piece cut into 3 sections and brought to GMS offices.
117NW11/16/01 to 1/18/02DePaola/NISTNIST N-113-1/2"1/2"13"3/8"1/2"1/2"3' 8"Perimeter column. Photo N-1 by NIST.
118NW11/16/01 to 1/18/02DePaola/NISTNIST N-2See RemarksPiece is comprised of the majority of the pieces which make up a floor truss section from WTC 1 or 2. Dimensions not applicable. Photo N-2 by NIST.
119NW11/16/01 to 1/18/02DePaola/NISTNIST N-313-1/2"5/16"9-1/2"1/2"  87"Perimeter column. Photo N-3 by NIST.
120NW11/16/01 to 1/18/02DePaola/NISTNIST N-413"3/8"13"3/8"3/8"9/16"16'Perimeter column. Photo N-4 by NIST.
121NW11/16/01 to 1/18/02DePaola/NISTNIST N-51-3/8"See Remarks4' 4" X 11" section of a bolted connection area (spandrel splice) from a perimeter column. Photo N-5 by NIST.
122NW11/16/01 to 1/18/02DePaola/NISTNIST N-613-1/4"3/8"14"1/2"1/2"9/16"4' 6"Perimeter column. Photo N-6 by NIST.
123NW2/8/02KoutsoubisM213-1/4"5/16"13-1/4"1/4"3/8"3/8" (Photo:DKoutsoubis:2/8/02:13,15-21) Evidence of burning.
124NW2/8/02KoutsoubisM313-3/4"5/16"13-1/2"1/4"1/4"5/16" (Photo:DKoutsoubis:2/8/02:23-28)(Photo:DKoutsoubis:2/14/02:17-21) Evidence of burning.
125NW2/8/02HoyM413-1/4"1/4"13-1/4"1/4"1/4"3/8" (Photo:DKoutsoubis:2/8/02:30-34) "Mushed" end.
126NW2/8/02KoutsoubisM514"1/4"13-1/2"(*)1/4"1/4"3/8" (Photo:DKoutsoubis:2/8/02:39-45) Thin spandrel. "d" dimension is approx.
127NW2/8/02KoutsoubisM613-1/2"1/4"13-1/4"1/4"1/4"3/8" (Photo:DKoutsoubis:2/8/02:59-63) Thin spandrel.
128NW2/8/02HoyM713-1/2"5/16"13-1/8"1/4"1/4"3/8" (Photo:DKoutsoubis:2/8/02:67-72) Evidence of burning.
129NW2/8/02KoutsoubisM813-1/2"1/4"13-1/4"1/4"1/4"3/8" (Photo:DKoutsoubis:2/8/02:73-80) Thin spandrel.
130NW2/8/02KoutsoubisM913-1/2"1/4"13-1/2"1/4"1/4"3/8" (Photo:DKoutsoubis:2/8/0281-84) Beat up. "tw" dimension is approx.
131NW2/8/02KoutsoubisM1013-3/8"5/16"13-1/2"1/4"1/4"3/8" (Photo:DKoutsoubis:2/8/02:85-92) Burnt on inside.
132NW2/8/02KoutsoubisM11a15-1/2"3/4"15-3/4"1-1/2"   W14 Tree Column - column piece. Photos by DKoutsoubis:2/8/02:93-105.
 NW2/9/02KoutsoubisM11b23-5/8"5/16"7"5/8"   Attached to M11a - beam piece of W14 tree column. Photos by DKoutsoubis:2/8/02:93-105.
133NW2/8/02KoutsoubisM12~30"~1/2"10-1/2"11/16"   Severely burnt & twisted wide-flange girder. Studs welded on the top flange. Photos by DKoutsoubis:2/8/02:106-114.
134NW2/25/02SharpM1313-1/2"1/4"13-1/2"1/4"1/4"3/8" Two perimeter columns folded in half Stamped markings "06 92 95 2430". DSharp Photo.
135NW2/25/02SharpM1413-1/2"1/4"13-1/2"5/16"5/16"3/8" Spandrel markings "??? 5T <63> ?? -99-102" Piece is stamped "99-102 3311 102"DSharp photo.
136NW2/25/02SharpM1513-1/2"5/16"13-1/2"1/4"1/4"3/8" Spandrel markings "PONYA A115-89-92 6T" Stamped markings: "89 92 L2616 115"and "L6973 1? 125 36 55".
137NW3/1/02SharpM1613-1/29/32"13-1/4"1/4"1/4"3/8" 3 perimeter columns from WTC 1 Spandrel plate markings "PONYA A148 99-102<6?>" Piece stamped "102 99" Two small clips on damper.
138NW3/1/02SharpM17~22"7/16"12"3/4"1-1/8"n/a40'Unique piece with portion of viscous damper attached, also straps andconnections. Cut-outs for mechanical. Built-up flange. Marked "163 (9) <62>".
139FK12/6/01Fahey/RosaA36"1/2"10-1/2"2-1/4"  19'-11"Beam - Appeared heat affected. Flange coupon (A-1) & web coupon (A-2) marked7'+/- from end of beam. Photo #'s 141, 142 & 475.
140FK12/6/01Fahey/RosaB36"13/16"12"1-1/4"  4'-10"Beam - Puncture. Web coupon (B-1) marked. Photo #'s 139, 140, 143 & 476.
141FK12/6/01Fahey/RosaC30-1/4"1"10"2-1/2"  14'-5"Beam - Appeared heat affected. Web coupon (C-1) marked. Photo #'s 135, 137,138, 144 & 477.
142FK12/6/01Fahey/RosaD21-1/4"1"17-7/8"1-9/16"   Column - Puncture. Photo #'s 482 & 483.
143FK12/6/01Fahey/RosaE12-5/8"3/4"12-3/8"1-1/8"   Column - Appeared heat affected. Web coupon (E-1) marked. Photo #'s 488 & 491.
144FK12/6/01Fahey/RosaF38"3/4"7"1-3/4"   Beam - Appeared heat affected. Web coupon (F-1) marked. Photo #'s 490 & 491.
145FK12/19/01Fahey/McConnellG35-1/2"7/8"16-3/8"1-9/16"   Beam. Coupon (G-1) marked on moment splice plate. Photo #'s 125, 128 & 129.
146FK12/19/01Fahey/McConnellH21"+/-1/2"10"3/4"  18'-9"Beam. Web coupon (H-1) marked. Photo #'s 131, 132 & 133.
147FK12/19/01Fahey/McConnellI7-5/16"3/4"15-11/16"1-1/16"   Brace - (2) WT's back to back - Appeared heat affected. Coupon (I-1) marked on gusset plate at end of brace. Photo #'s 145, 148, 149 & 150.
148FK12/19/01Fahey/McConnellJ27"+/-1/2"10"+/-1/2"   Beam. Web coupon (J-1) marked. Photo #'s 155, 156 & 157.
149FK12/19/01Fahey/McConnellK24-7/8"3/4"7"1-1/2"   Beam. Web coupon (K-1) marked. Photo # 165.
150GZ~11/27/01Eschenasy See RemarksConnection coupon recovered from WTC#5, 8th floor, and brought to GMS offices. Web tear-out at bolts. Coupon photo by AMassa. Sketch with dimensions and photo in this WTC BPS report, Fig. 4-22.
151GZ~11/27/01Eschenasy See RemarksConnection coupon recovered from WTC#5, 7th floor, and brought to GMS offices. Web tear-out at bolts. Coupon photo by AMassa. Sketch with dimensions and photo in this WTC BPS report, Fig. 4-22.
152GZ~11/27/01Eschenasy See RemarksConnection coupon recovered from WTC#5, 6th floor, and brought to GMS offices. Web tear-out at bolts. Coupon photo by AMassa. Sketch with dimensions and photo in this WTC BPS report, Fig. 4-22.
153GZ~11/27/01Eschenasy See RemarksConnection coupon recovered from WTC#5, 6th floor, and brought to GMS offices. Web tear-out at bolts. Coupon photo by AMassa. Sketch with dimensions and photo in this WTC BPS report, Fig. 4-22.
154GZ~11/27/01Eschenasy See RemarksConnection coupon recovered from WTC#5, 8th floor, and brought to GMS offices. Plate tear-out at bolts. Coupon photo by AMassa. Sketch with dimensions and photo in this WTC BPS report, Fig. 4-22.
155GZ~11/27/01Eschenasy See RemarksConnection coupon recovered from WTC#5, 7th floor, and brought to GMS offices. Connection web-plate or splice-block shear. Coupon photo by AMassa. Sketch with dimensions and photo in this WTC BPS report, Fig. 4-22.
156GZ~11/27/01Eschenasy See RemarksConnection coupon recovered from WTC#5, undetermined floor, and brought to GMS offices. Column buckling due to heat exposure. Coupon photo by AMassa. Sketch with dimensions and photo in this WTC BPS report, Fig. 4-22.


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