3'-2" Ø Access Hatch 3'-0" Ø Access Opening 1" 3"

1ƀ"
6"
3'-2" Ø Access Hatch
414"
Adhesive Anchors
Opening
ƀ " Ø Hatch
Handle Bar
Hatch
Hinge Bar
2" R
C
ƀ" Ø Slide Bolt
(See Slide Bolt Detail)
(
Typ.
)
℅
Lock Bar
3"
Ɓ"
5"
� Hinge
1
4"
Field Drill ƅ " Ø
1
4
Weld Termination (Typ.)
ƀ " ℅ Hatch Lock Bar
¢ ƀ" Base
Plate with
2 ~ ƅ" Ø Bolt
X 3ƀ " Hole
Edge of Access Hatch
Holes (Typ)
Stop Bar
2 ~ Hinge Bars
1
2"
(Transverse)
Anchors
1'-8"
1'-5ƀ"
1'-7"
ƀ" ℅
1
2"
℅
9
16"
PLAN VIEW OF ACCESS HATCH ASSEMBLY
4"
7"
3"
Top of
Top of Base
414"
Access Hatch
1'-0"
6"
so that the hinges are
located down-grade.
ƀ" Slot for
Access
Hatch Slide
Hatch
1
2"
R
R
SLIDE BOLT DETAIL
2"
2"
6"
ƀ" ¢ Box
Bolt & Box Lock Bar
Lock Bar
Edge of
ƃ
ƀ" Ø Hitch Pin
Access
ƅ"
±
R
with Clip
Opening
Box Lock Bar
912"
Hatch
2 ~ Hinge
Hinge Bar
Bars
�3" X 3" X Ƅ " X 4"
Stop Angle
Hatch Slide
Bolt Plate
7:
43:
51 AM
3"
212" 212"
ƀ" Ø Hatch
VIEW B-B
5"
� Pipe Sleeve Hinge
1
2"
ƀ" Ø Handle Bar for
Hatch Slide Bolt Plate
3"
112"
1"
Bolt Plate
Handle Bar
NOTES:
B
Ƅ" ℅
Hatch Slide
4"
ƀ " Ø Hatch
Handle Bar
Ƅ" ℅
1Ɓ"
1"
Stop Bar
Slot
1Ɓ"
2"
ƈ" ℅ Access Hatch
& Slide Bolt
1"
Ø Hinge Bolts
Opening
Bolt Plate &
1"
1
2"
¡ Hatch Slide
6"
Grab Rail
position (shown dotted)
� Access
6"
25°
Ø Pipe
6" Em bedm ent (
Typ.
)
1
2"
1
Access Hatch in upright
3'
-0"
2"
2"
1
2"
¡ Access Opening, Slide
Typ.
Bolt Plate
1
2"
STOP BAR DETAIL
Edge of
1. Orient the Access Hatch
6"
Ø Hole
112"
6"
HINGE NOTE:
2"
HINGE BAR DETAIL
Typ.
ƃ
Handle Bar
6"
Plate
HATCH HINGE BAR DETAIL
ƀ" Ø Hatch
3"
Embedment
112"
Adhesive Bonded
112"
3"
Ƅ" ℅
Ø Hole
312"
Ø
5
9
16"
1"
SLIDE BOLT PLATE DETAIL
1
2"
1
� Access Opening
Hinge Bolts
3"
(Typ.)
� ƀ" Ø x 8"
1
� 2"
114"
7"
Base Plate
112"
6"
1"
912"
3ƍ "
(Hinge Bar)
Cope Base Plate to
HINGE DETAIL
Handle Bar
ƀ" ¢
112"
134"
Ø Sch 40 Pipe
Sleeve Hinge
C
clear Access Hatch ƃ "
ƀ" Ø Hatch
Hinge Bar
134"
1
2"
Ø Hinge Bolts
434"
Hatch
114"
Typ.
1
4
1
2"
3"
Stop Angle
2 ~ 12" ℅
�
1
2"
�3" X 3" X Ƅ " X 4"
612"
4"
1ƀ " 34" 112"
378"
1'
-0"
1'
-6"
ƃ
534"
2"
Box
1
2"
6"
Ø Pipe
Grab Rail
R
Ɓ"
6"
Plate
3"
1
2"
1
(Longitudinal)
1
4"
Slide Bolt
6"
� Access Opening
Ƅ" ¢ Hatch
ƃ
Ɓ"
Detail
234"
Hinge
1"
See
3"
2" 2"
Access Hatch
1'
-0"
3"
ƈ" ℅
2"
(Typ)
6"
ƀ" ¢ Box Lock
1"
Access
112"
1ƀ"
1
4
1
2"
114"
ƀ" Øx8" Bonded
112"
1'-6"
1"
5
1
4
1"
1'-6"
1"
Bar with Ƌ" Ø Hole
Typ.
Typ.
3"
2"
1"
1"
1" ƀ"
1"
1"
3'-0" Ø Access Opening
1"
134"
VIEW C-C
1
4
℅ (Hatch Lock Bar)
Ƌ" Ø Hole (for Pad Lock)
1. All Structural Steel material in Access Hatch Assemblies shall conform to ASTM A709 Grade 36.
B
2. 1ƀ" Ø Pipe Grab Rail shall be in accordance with ASTM A53 Grade B for standard weight pipe (Schedule 40).
3. ƀ" Ø Hatch Handle Bar and Hitch Pin shall be in accordance with ASTM A36.
Hatch Slide
4. All bolts shall conform to ASTM A307 or A449. All nuts shall conform to ASTM A563 and all washers shall conform to ASTM F-436.
Bolt Plate
5. All exposed edges of plates and openings shall be ground smooth.
6/25/2014
6. See Framing Plan sheets for locations of Access Hatch Openings.
7. Coat structural steel in accordance with Specification Section 560.
SECTION THRU ACCESS OPENING
8. All costs associated with Access Hatch Assembly and incidental items will be paid for under the Access Hatch Assembly pay item.
LAST
REVISION
01/01/11
REVISIO N
No separate payment will be made for coating structural steel.
DESCRIPTION:
INDEX
2015
ACCESS HATCH ASSEMBLY
DESIGN STANDARDS
FOR CONCRETE BOX SECTIONS
NO.
21251
SHEET
NO.
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