S6-2_-_STEEL_BEAM_REPAIR_DETAILS_06_11_26_0002.pdf
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- Solicitation number
- 140P2026R0060
About this file
This document is a set of technical drawings and specifications for steel beam repair details for the Hangars 3 & 4 Rehabilitation project at Floyd Bennett Field. The drawings depict three primary repair scenarios: typical lean-to beam flange and web repair, existing beam bearing repair, and typical hangar beam web repair for a 10" WF beam at the hangar clerestory.
The repair work requires removal of existing clip angles and deteriorated steel components, cleaning of all corrosion and scale, and replacement with galvanized steel plates and angles. Key materials include 3/8" galvanized web plates (minimum 6" beyond deterioration limits), new galvanized flange plates (1/2" wider on each side than existing), and galvanized bearing plates in various sizes per the provided schedules. All steel must be cleaned prior to welding per specifications and receive zinc-rich, rust-inhibiting paint before final wall rebuild. The specifications include temporary shoring requirements, non-shrink grout placement, and masonry infill work. The Beam Bearing Plate Schedule specifies eight beam types with corresponding plate dimensions (length, width, and thickness), while the Beam Reinforcing Plate Schedule provides estimates for web doubler plates and flange plates at various beam locations. The document notes that additional web plate locations beyond those indicated on the plan will likely be identified during construction, with 12 additional 36"-long locations assumed for pricing purposes, and unit costs should be provided for any additional locations discovered during work execution.
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Text version
NEW 3/8" FLANGE PLATE,
1/2" MIN. WIDER EACH SIDE
THAN EXISTING FLANGE.
1/4
1/4
PROVIDE TEMPORARY
SHORING AS REQUIRED
NEW GALV. 3/8" WEB PLATE
6" MIN. BEYOND LIMIT
OF WEB DETERIORATION
REMOVE EXISTING CLIP ANGLES
AND CLEAN EXISTING BEAM END
OF ALL CORROSION AND SCALE.
(2) CLIP ANGLES EACH SIDE
REQUIRED PER BEAM END.
REPLACE WITH GALV. CLIP
ANGLES TO MATCH EXISTING IF
MISSING OR IF INTERFERES WITH
WEB REPAIR. WELD TO WEB
PLATE IF NEEDED.
1/4
NOTES:
1. ALL STEEL TO BE CLEANED PRIOR
TO WELDING PER SPECIFICATIONS.
STEEL TO RECEIVE ZINC-RICH,
RUST-INHIBITING PAINT PRIOR TO
FINAL WALL REBUILD.
2. BEAM REPAIR DEPICTED IN THIS
DETAIL REPRESENTS THE TYPICAL
21"-DEEP LEAN-TO GIRDER. REFER
TO BEAM REINFORCING SCHEDULE
FOR PLATE SIZES AT ALL BEAM
LOCATIONS.
3. NOTE ROOF AND BEAM SLOPE NOT
SHOWN, SEE PLANS AND SECTIONS.
4. ASSUME WEB PLATES AND NEW
CLIP ANGLES WILL BE REQUIRED
WHERE INDICATED ON PLAN.
PROVIDE UNIT COST FOR ADD.
4"
REBUILD TOP OF WALL
PER ARCHITECTURAL
ELEVATIONS. INFILL BEAM
POCKET WITH MASONRY
AFTER BEAM REPAIRS
ARE COMPLETE.
3@12"
NEW GALV. BEAM
BEARING PLATE WHERE
REQUIRED, SEE 2/S6.2.
SEE 4/S6.6 FOR
DIAPHRAGM AND
SILL ATTACHMENT.
LINE OF WALL BEYOND
EXTERIOR FACE OF PIER
LIMIT OF
DETERIORATION
BEAM, SEE PLAN.
REINFORCE AS
REQ'D PER 1/S6.2
BEARING PLATE
LENGTH "L"
MATCH EXISTING ANGLES
IN SIZE AND NUMBER,
ASSUME L3x3x5/16 x 0'-3"
FOR PRICING
EXISTING MASONRY
WALL; SEE ARCH
DWGS FOR EXTENTS
OF REBUILD / REPAIR
GALV. BEARING
PLATE BP-#
PER PLAN AND
SCHEDULE
NOTES:
1. PROVIDE TEMPORARY SHORING TO UNDERSIDE OF BEAM NEAR
BEARING END PRIOR TO REPLACING BEARING PLATE.
2. CUT POCKET IN WALL AS SHOWN.
3. FILL HOLLOWS IN WALL UNDER BEARING PLATE SOLID WITH
MORTARED BRICK BEFORE PLACING PLATE. (MINIMUM 2
COURSES)
4. AFTER BEAM IS REPAIRED / REINFORCED AND BEARING PLATE
IS REPLACED, BRICK UP POCKET SOLID. FULL MORTAR BEDDING
IN ALL H & V BRICK JOINTS, TO POCKET FACES AND TO BEAM.
(ALTERNATE: GROUT SOLID)
5. ASSUME ALL BEARING PLATES WILL NEED TO BE REPLACED
WHERE INDICATED ON PLAN. PROVIDE UNIT COST FOR ADD.
SECTION ELEVATION
EXISTING
MASONRY
WALL
BEARING PLATE
WIDTH "B"
2" CLR. 2" CLR.
1/4
B E
A M
D E
P T
H
S E
E P
L A
N
0' - 1"
N O
N -S
H R
IN
K
G R
O U
T
1" CL. 1" CL.
N O
N -S
H R
IN
K
G R
O U
T B
P T
H
IC
K N
E S
S t"
NEW 3/8"
WEB PLATE
1/4
TYP. EA. BENT
PLATE
NOTES:
1. ALL STEEL TO BE CLEANED PRIOR TO
WELDING PER SPECIFICATIONS.
STEEL TO RECEIVE ZINC-RICH, RUST-
INHIBITING PAINT PRIOR TO FINAL
WALL REBUILD.
2. LOCATIONS NOTED ON PLAN
INDICATE THOSE TO HAVE RUSTED
THROUGH THE BEAM WEB AS
OBSERVED FROM THE GROUND.
ONCE THE STEEL HAS BEEN CLEANED
AND OBSERVED FROM BOTH SIDES
UP CLOSE, ADDITIONAL LOCATIONS
WILL LIKELY BE IDENTIFIED. ASSUME
(12) ADDITIONAL LOCATIONS IN
ADDITION TO THOSE INDICATED ON
PLAN. ASSUME A 36"-LONG WEB
PLATE AT EACH LOCATION FOR
PRICING AND PROVIDE A UNIT COST
FOR ADDITIONAL LOCATIONS THAT
MAY BE IDENTIFIED DURING
CONSTRUCTION.
AREA OF WEB DETERIORATION.
CLEAN OF ALL RUST AND SCALE TO
ALLOW MEASUREMENT OF
REMAINING WEB THICKNESS.
2" MIN.
(E) 10" WF AT
HANGAR CLERESTORY
k -F
IL
L E
T T
Y P
3@12"
LIMIT OF WEB
DETERIORATION
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO.
PMIS/PKG NO.
DRAWING NO.
SHEET
TITLE OF SHEET
OF
190066
GATE 308504
HANGARS 3 & 4 REHABILITATION 150
/1
/2
:4
:1
P M
C U s e rs
\j th ib a u \D o c u m e n ts
\S T
R U
C T
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A T
E F lo y d B e n n e t F ie ld r2 jt h ib a u V
G D
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JCT / EB / PA
MAS
NF
12/19/2025
S6.2
STEEL BEAM REPAIR
DETAILS
SCALE: NTSS6.2
1 TYPICAL LEAN-TO BEAM FLANGE AND WEB REPAIR
SCALE: NTSS6.2
2 EXISTING BEAM BEARING REPAIR
SCALE: NTSS6.2
3 TYPICAL HANGAR BEAM WEB REPAIR
BEAM BEARING PLATE SCHEDULE
BEAM
SIZE
MARK L (IN) B (IN) t (IN) NOTES
21" CB 55# BP-1 12 12 0.75
16" B 45#
4" I 7.7# BP-3 6 6 0.50
C10 x 15.3# BP-4 8 6 0.50
C8 x 11.5# BP-5 8 6 0.50
NO BP
BEARS DIRECTLY
ON 2C LINTEL
BEAM REINFORCING PLATE SCHEDULE
(ESTIMATES - FOR PRICING PURPOSES)
BEAM
SIZE
L (IN) H (IN) L (IN)
21" CB 55# 24 19 24
16" B 45#
4" I 7.7# 3
C10 x 15.3# 8
C8 x 11.5# 6
B (IN)
WEB DOUBLER PLATE FLANGE PLATE
12 14
8.5
3.5
| Sheets |
| S0.1 - STRUCTURAL GENERAL NOTES |
| S0.2 - STRUCTURAL GENERAL NOTES |
| S0.3 - SCHEDULES AND LEGENDS |
| S1.0 - FOUNDATION - GROUND FLOOR OVERALL PLAN |
| S1.1 - LEAN-TO ROOF AND WPA INFILL MEZZANINE OVERALL FRAMING PLAN |
| S1.2 - HANGAR ROOF TRUSS BOTTOM CHORD LEVEL OVERALL FRAMING PLAN |
| S1.3 - HANGAR ROOF TRUSS TOP CHORD LEVEL OVERALL FRAMING PLAN |
| S2.1 - HANGAR 4 LEAN-TO FRAMING PLANS |
| S2.2 - HANGAR 4 FOUNDATION / GROUND FLOOR PLAN |
| S2.3 - HANGAR 4 ROOF TRUSS BOTTOM CHORD LEVEL FRAMING PLAN |
| S2.4 - HANGAR 4 ROOF TRUSS TOP CHORD LEVEL FRAMING PLAN |
| S2.5 - WPA INFILL FRAMING PLANS |
| S2.6 - WPA INFILL ROOF FRAMING PLAN |
| S2.7 - HANGAR 3 FOUNDATION / GROUND FLOOR PLAN |
| S2.8 - HANGAR 3 ROOF TRUSS BOTTOM CHORD LEVEL FRAMING PLAN |
| S2.9 - HANGAR 3 ROOF TRUSS TOP CHORD LEVEL FRAMING PLAN |
| S2.10 - HANGER 3 LEAN-TO FRAMING PLANS |
| S3.1 - EXISTING TRUSS ELEVATIONS |
| S3.2 - HANGAR 4 INTERIOR ELEVATIONS |
| S3.3 - HANGAR 3 INTERIOR ELEVATIONS |
| S4.1 - EXTERIOR ELEVATIONS - WPA INFILL |
| S4.2 - EXTERIOR ELEVATIONS - HANGAR 4 LEAN-TO |
| S5.1 - TYPICAL FOUNDATION DETAILS |
| S6.2 - STEEL BEAM REPAIR DETAILS |
| S6.3 - MASONRY REPAIR AND LINTEL REPLACEMENT DETAILS |
| S5.2 - FOUNDATION DETAILS |
| S5.3 - FOUNDATION DETAILS |
| S6.1 - STEEL COLUMN REPAIR DETAILS |
| S6.5 - TYPICAL CONCRETE REPAIR DETAILS |
| S6.4 - TYPICAL BRICK REPAIR DETAILS |
| S6.6 - SUPERSTRUCTURE DETAILS |
| S6.7 - HANGAR DOOR POCKET WALL DETAILS |
| S6.8 - HANGAR DOOR POCKET WALL DETAILS |
| S6.9 - HANGAR DOOR POCKET WALL DETAILS |
| S6.10 - HANGAR DOOR POCKET WALL DETAILS |
| S6.11 - SECTIONS AND DETAILS |
| S7.1 - HANGAR DOOR REPAIR DETAILS |
| S7.2 - HANGAR DOOR REPAIR DETAILS |
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