ITB 27-16TM Structural Repairs of 100 Exploration Way

1 2 3 4 5 6 7 8 9 10
20' - 0" 20' - 0" 20' - 0" 20' - 0" 20' - 0" 20' - 0" 20' - 0" 20' - 0" 20' - 0"
1 3 3 3 3
(TYP) (TYP) (TYP) (TYP)
D
1
2
(-2'-0") 2 (-2'-0") 2 (-2'-0") (-2'-0") (TYP)
(TYP) (TYP)
4 4 4
(TYP) (TYP) (TYP)
3
(TYP)
3
(TYP)
4
(TYP)
C
4 2 4 A 2 4
2 (TYP) (-0'-8") 6 S201 (TYP) (TYP) 6 S201 (TYP) (TYP)
2
(TYP)
(TYP)
C
5 5
(-0'-8") (-0'-8") (-0'-8")
(-4'-8")
B 5
B
S201
5
6 S201
3
6 (TYP)
4 4
4
(TYP) (TYP) 2
(TYP)
(TYP)
5
5
B
2 6 6
(TYP) 2
(-0'-8") (-0'-8") A (TYP) (-4'-8") C (-0'-8") (-0'-8") 1
S201 S201
3
(TYP)
3
(TYP)
4
4 4 4
2 (TYP) 2 2
2 (TYP) (TYP) (TYP)
(TYP) (TYP) (TYP)
(TYP)
3 3 3 1
(TYP) (TYP) (TYP)
A
1
1
"0
-
'04

"0
-
'03

"0
-
'04

A. DATUM FOR ALL ELEVATIONS GIVEN ON THIS PLAN IS
EXISTING FINISHED FIRST FLOOR ELEVATION = 0'-0".
1
B. TOP OF EXISTING FIRST FLOOR IS AT +0'-0".
C. TOP OF EXISTING FOOTING ELEVATIONS ARE -1'-4"
BELOW FINISHED FIRST FLOOR UNLESS NOTED THUS
(-____) ON PLAN PER ORIGINAL DRAWINGS DATED
JUNE 1, 2004.
1
D. THE EXISTING FIRST FLOOR IS A 4" SLAB-ON-GRADE
REINFORCED WITH WELDED-WIRE-FABRIC PER THE
ORIGINAL BUILDING DRAWINGS.
E. FOR GENERAL NOTES REFER TO THIS SHEET.
FACE OF EXISTING BUILDING.
EXISTING 10" WIDE FLANGE COLUMN.
EXISTING WALL FOOTING.
EXISTING COLUMN FOOTING.
EXISTING GRADE BEAM.
LOCATION OF VERTICALLY BRACED BAY. FOR 5/28/2026
DETAILS AND MEMBERS TO BE REINFORCED
REFER TO FRAMING ELEVATIONS ON SHEET S201.
14 TOTAL DIAGONAL BRACES TO BE REINFORCED.
1
DRAWN BY:
DESIGNED BY:
CHECKED BY:
DATE:
JOB NUMBER:
S101
OT
SNOITACIFIDOM
LARUTCURTS
RETNEC
SNOITAREPO
YCNEGREME
119
NALP
NOITADNUOF
GNITSIXE
DFS
DFS
KBF
05/28/2026
26.030
,NOTPMAH
,YAW
NOITAROLPXE
001
66632
AV
SHEET NOTES:
SHEET KEYNOTES:
#
1
2
3
4
5
6
NOTE:
PRIOR TO ANY WORK, GENERAL CONTRACTOR WILL
BECOME FAMILIAR WITH THE EXISTING BUILDINGS
CONSTRUCTION AND FINISHES, PARTITIONS, AND
OTHER SYSTEMS THAT MUST BE REMOVED TO
ACCESS THE MEMBERS IN ORDER TO REINFORCE
THE MEMBERS AS SHOWN ON THESE PLANS. THE
OWNER WILL PROVIDE DIRECTION TO THE GENERAL
CONTRACTOR FOR REMOVAL OF EXISTING
FINISHES, PARTITIONS AND SYSTEMS. ONCE THE
REINFORCING OF THE MEMBERS IS COMPLETE AND
INSPECTED; THE GENERAL CONTRACTOR WILL
RECONSTRUCT/REPAIR THE BUILDING ELEMENTS
THAT WERE REMOVED PER THE OWNERS
DIRECTION.
REVISIONS
NO. DATE COMMENTS
EXISTING FOUNDATION PLAN
1/8" = 1'-0" N
GENERAL NOTES
GENERAL: GENERAL (CONT'D): STRUCTURAL STEEL: DESIGN CRITERIA: DESIGN CRITERIA (CONT'D):
1. ALL WORK MUST COMPLY WITH THE CODES LISTED BELOW AND IN THE 5. SUBMIT SHOP DRAWINGS FOR APPROVAL BEFORE PROCEEDING WITH THE 1. STRUCTURAL STEEL MUST COMPLY WITH 1. ROOF SNOW LOADS: 3. SEISMIC LOADS:
SPECIFICATIONS. WORK. THE CONTRACTOR MUST CHECK ALL DIMENSIONS AND ACCEPT FULL THE AMERICAN INSTITUTE OF STEEL GROUND SNOW LOAD Pg = 10 PSF (PER FIGURE 1608.2 OF VCC) RISK CATEGORY IV
RESPONSIBILITY FOR DIMENSIONAL CORRECTNESS. CONSTRUCTION (AISC 360-16) SNOW EXPOSURE FACTOR Ce = 0.9 IMPORTANCE FACTOR I = 1.5
2. THE NEW WORK SHOWN ON THESE PLANS ILLUSTRATE THE "SPECIFICATION FOR STRUCTURAL STEEL SNOW LOAD IMPORTANCE FACTOR I =1.0 Ss = .10g
REQUIREMENTS TO REINFORCE THE EXISTING STRUCTURE TO A RISK 6. UNDER NO CIRCUMSTANCES CAN THE REPRODUCTION OF CONTRACT BUILDINGS". THERMAL FACTOR Ct=1.025 S1 = .04g
CATEGORY IV STRUCTURE IN ACCORDANCE WITH THE PROVISIONS OF DRAWINGS BE USED AS SHOP DRAWINGS. FLAT ROOF SNOW LOAD: Pf = 15.6 PSF SOIL SITE CLASS E
THE INTERNATIONAL BUILDING CODE, 2021 EDITION, AS ADOPTED BY THE 2. STRUCTURAL STEEL MUST BE NEW, RAIN ON SNOW SURCHARGE LOAD= 0 PSF Sds = 0.152
VIRGINIA UNIFORM STATEWIDE BUILDING CODE, 2021 EDITION, 7. IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CLEAN, AND STRAIGHT, AND CONFORM Sd1 = 0.114
EFFECTIVE JANUARY 18, 2024. CONTRACTOR WILL BE SOLELY AND COMPLETELY RESPONSIBLE FOR TO THE FOLLOWING: 2. WIND LOADS: SEISMIC DESIGN CATEGORY: C
CONDITION OF JOB SITE INCLUDING SAFETY OF ALL PERSONS AND PROPERTY A. STEEL PLATES - ASTM A36, UNLESS RISK CATEGORY = IV BASIC SEISMIC FORCE RESISTING SYSTEM:
3. THE CONTRACTOR IS RESPONSIBLE FOR DIMENSIONS, ELEVATIONS, DURING PERFORMANCE OF THE WORK. OTHERWISE NOTED ULTIMATE WIND SPEED = 131 MPH STEEL ORDINARY CONCENTRICALLY BRACED FRAMES
ETC., NECESSARY FOR THE PROPER CONSTRUCTION AND ALIGNMENT OF NOMINAL WIND SPEED (ASD) = 101.5 MPH RESPONSE MODIFICATION FACTOR, R=3.25
THE NEW STRUCTURAL ELEMENTS TO THE EXISTING STRUCTURE. MAKE 8. TYPICAL DETAILS AND GENERAL NOTES APPLY TO ALL PARTS OF THE JOB 3. WELDING MUST COMPLY WITH THE EXPOSURE CATEGORY (MAIN WINDFORCE-RESISTING SYSTEM): C SEISMIC RESPONSE COEFFICIENT, Cs = 0.070
ALL MEASUREMENTS NECESSARY PRIOR TO THE FABRICATION AND EXCEPT WHERE SPECIFICALLY DETAILED OR NOTED OTHERWISE. "STRUCTURAL WELDING CODE - STEEL" EXPOSURE CATEGORY (COMPONENTS AND CLADDING): C DESIGN BASE SHEAR: 0.070W
ERECTION OF STRUCTURAL MEMBERS. (AWS D1.1). WELD ELECTRODES MUST BE INTERNAL PRESSURE COEFFICIENT: +/- 0.18 (ENCLOSED) ANALYSIS PROCEDURE USED: EQUIVALENT LATERAL FORCE
9. INFORM THE PROFESSIONAL OF RECORD IN WRITING OF ANY DEVIATION E70XX.UNLESS OTHERWISE NOTED,
4. BEFORE PROCEEDING WITH ANY WORK WITHIN THE EXISTING FROM THE CONTRACT DOCUMENTS. THE CONTRACTOR IS NOT RELIEVED OF MINIMUM WELD SIZE MUST BE 3/16"
STRUCTURE, BECOME FAMILIAR WITH STRUCTURAL CONDITIONS OF THE THE RESPONSIBILITY OF SUCH DEVIATION BY THE PROFESSIONAL OF RECORD CONTINUOUS FILLET WELDS.
EXISTING STRUCTURE. IT IS THE CONTRACTOR'S RESPONSIBILITY TO REVIEW OF SHOP DRAWINGS, PRODUCT DATA, ETC. UNLESS THE
PROVIDE ALL NECESSARY SAFEGUARDS, TO MAINTAIN ALL PARTS OF CONTRACTOR HAS SPECIFICALLY INFORMED THE PROFESSIONAL OF RECORD 4. STEEL PLATE INSTALLATION AND WELDS
THE STRUCTURE IN A SAFE CONDITION AT ALL TIMES DURING THE OF SUCH DEVIATION AT THE TIME OF SUBMISSION, AND THE PROFESSIONAL MUST BE VISUALLY INSPECTED BY THIRD
0 4' 8' 16'
PROCESS OF CONSTRUCTION AND TO PROTECT FROM DAMAGE THOSE OF RECORD HAS GIVEN WRITTEN APPROVAL TO THE SPECIFIC DEVIATION. PARTY TESTING AGENCY, HIRED BY SCALE: 1/8"=1'-0"
PORTIONS OF THE EXISTING BUILDING WHICH ARE TO REMAIN. OWNER.

C B 4 3
3 4
20' - 0"
20' - 0" 30' - 0"
TOP OF STEEL AT TOP OF STEEL AT TOP OF STEEL AT
ROOF ROOF ROOF
+41' - 9" +41' - 9" +41' - 9"
GUSSET PLATE,
TYP EACH END OF
CONTRACTOR TO FIELD VERIFY
VERTICAL BRACE REINFORCE EXISTING HSS8x8
LENGTH OF EACH VERTICAL
BRACE WITH STEEL PLATES
BRACE AND PROVIDE STEEL
PER SECTION 1/S201 1
REINFORCING PLATE BETWEEN
S201
1 GUSSET PLATES, TYP
1
S201
S201 GUSSET PLATE,
0" TYP EACH END OF
21'- R H
PL
E S
A
I S N
T
8 F
E
x O 8
S
R B
P
C R
E
E A
R
C E
S
E X
E
I W S
C
T
T
IT I
I
N
O
H G
N
S TEEL VERTICAL BRACE 28'-0" C
LE
O
N
N
G
T
T
R
H
A C
O
T
F
O
E
R
A
T
C
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TI C
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A
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8
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8
R
B
C
R
E
A C
E
E
X I
W
ST
IT
IN
H
G
S TEEL
2 1'-0 "
1/S201 BRACE AND PROVIDE STEEL PLATES PER SECTION 1/S201
REINFORCING PLATE BETWEEN
GUSSET PLATES, TYP
TOP OF STEEL AT TOP OF STEEL AT TOP OF STEEL AT
THIRD FLOOR THIRD FLOOR THIRD FLOOR
+26' - 10" +26' - 10" +26' - 10"
EXISTING 3" CONCRETE
ON 3" METAL DECK
COMPOSITE SLAB, TYP
AT SECOND AND THIRD
1 FLOOR 1
S201 S201
EXISTING 3" CONCRETE
EXISTING WIDE EXISTING 3" CONCRETE
ON 3" METAL DECK
F
T
L
Y
A
P
NGE BEAMS, 20'-0" O
CO
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M
3
P
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OS
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A
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L
S
D
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A
C
B
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, TYP
27'-0" E
FL
X
A
IS
N
T
G
IN
E
G
B
W
EA
ID
M
E
S ,
COMPOSITE SLAB, TYP 20'-0" E
FL
X
A
IS
N
T
G
IN
E
G
B
W
EA
ID
M
E
S ,
AT SECOND AND THIRD
AT SECOND AND THIRD TYP TYP
FLOOR
FLOOR
TOP OF STEEL AT TOP OF STEEL AT TOP OF STEEL AT
SECOND FLOOR SECOND FLOOR SECOND FLOOR
+13' - 6" +13' - 6" +13' - 6"
GUSSET PLATE,
REINFORCE EXISTING HSS8x8
EXISTING HSS8x8 TYP EACH END OF
BRACE WITH STEEL PLATES
BRACE, DO NOT VERTICAL BRACE
PER SECTION 1/S201
REINFORCE
1 1 REINFORCE EXISTING
HSS8x8 BRACE WITH STEEL S201 CONTRACTOR TO FIELD VERIFY S201
PLATES PER SECTION
LENGTH OF EACH VERTICAL
1/S201
21'-0" B
R
R
E
A
IN
C
F
E
O
A
R
N
C
D
IN
P
G
R
P
O
L
V
A
I
T
D
E
E
B
S
E
T
T
E
W
EL
E EN
29'-0" 21'-0"
GUSSET PLATES, TYP
FINISHED FINISHED 4" SLAB-ON-GRADE, FINISHED 4" SLAB-ON-GRADE, 4" SLAB-ON-GRADE,
EXISTING FIRST EXISTING FIRST (TYP) EXISTING FIRST
(TYP) (TYP)
FLOOR FLOOR FLOOR
0' - 0" 0' - 0" 0' - 0"
1/4" THICK x 7" WIDE CONTINUOUS STEEL
EXISTING HSS8x8x1/4
PLATE (TYP) WELDED TO ALL 4 SIDES OF
BRACE
EXISTING BRACE. PLATE CAN BE SEPARATE
SECTIONS WITH A COMPLETE JOINT
PENETRATION (CJP) WELD BETWEEN
SECTIONS TO BE CONTINUOUS. PLATES MUST
EXTEND FROM GUSSET PLATE TO GUSSET
PLATE.
EVERY 8",
TYP AT EACH
3/16 2"
PLATE
QE
QE
5/28/2026
EQ EQ
CENTERLINE
OF HSS
DRAWN BY:
DESIGNED BY:
CHECKED BY:
DATE:
JOB NUMBER:
S201
OT
SNOITACIFIDOM
LARUTCURTS
RETNEC
SNOITAREPO
YCNEGREME
119
SNOITAVELE
DFS
DFS
KBF
05/28/2026
26.030
,NOTPMAH
,YAW
NOITAROLPXE
001
66632
AV
6 7
7 6
ELEVATION ELEVATION
A B
ELEVATION
S101 1/4" = 1'-0" S101 1/4" = 1'-0" C
S101 1/4" = 1'-0"
REVISIONS
NO. DATE COMMENTS
SECTION
1
S201 1 1/2" = 1'-0"
0 2' 4' 8'
SCALE: 1/4"=1'-0"
0 1' 2'
SCALE: 1-1/2"=1'-0"