attachment_1_bid_193_25.pdf
PDF 276 KB Posted
- Attached to
- Bridge Beam Slabs State and local contract opportunity
- Solicitation number
- Bid 193-25
- Issued by
- Hillsborough County, Derry CDP, New Hampshire
About this file
These are engineering design drawings for a prestressed concrete bridge slab project by the New Hampshire Department of Transportation (NHDOT) for NH Route 114 in Weare, New Hampshire. The technical drawings provide detailed specifications for prestressed concrete slab units, including comprehensive layouts, strand locations, beam configurations, and construction notes. The project utilizes prestressed concrete slabs with a 4'-0" nominal width (3'-11½" actual width), designed using Load and Resistance Factor Design (LRFD) methods with HL93 design loading.
The technical specifications indicate the concrete will have a compressive strength of 6000 psi at 28 days, with reinforcing steel meeting AASHTO M31 (ASTM A615) Grade 60 and epoxy coating. The design follows the NHDOT 2016 Standard Specifications for Road and Bridge Construction and the AASHTO 2024 LRFD Bridge Design Specification. Key technical requirements include specific prestressing strand specifications, tension transfer conditions, strand cutting guidelines, and detailed requirements for manufacturing, lifting, and installation of the precast concrete components.
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Other files for this state and local contract opportunity
| File | Type | Posted |
|---|---|---|
| bid_193_25.pdf | ||
| attachment_2_bid_193_25.pdf | ||
| attachment-2-bid-193-25.pdf | ||
| bid-193-25-award.pdf | ||
| attachment-1-bid-193-25.pdf | ||
| bid-193-25.pdf |
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Text version
P H
A S
E
P H
A S
E
31'-8"
9'-10"12'-0"9'-10"
C OF TRANSVERSE THREADBARL
4" 4"
63 @ 6" o.c.
J O
I N
T S
S O
L I D
S L
A B
S
30'-6"
CENTER OF BEARING TO CENTER OF BEARING
DETAIL B
DETAIL A
TYP EXTERIOR UNITS
PRESTRESSED UNITS LAYOUT
1/4" = 1'0"
3" O DUCT
CURBS BY OTHERS
"2
31'-11
PHASE 1PHASE 2
TRANSVERSE SECTION
" = 1'0"8
T
Y P
"4
GALV. P
4"X5"X5" w/ 2
2 O HOLE
EMBEDED IN CONCRETE
L
C 3" DUCTL
"2
" TYP.4
T
Y P
T
Y P
" TYP.2
5"
T
Y P
C 3" DUCTL
DETAIL A (EXTERIOR POCKET)
2" = 1'0"
ELEVATION SECTION
PHASE 1PHASE 2
4"2"2"4"
2"
5"
2"
GALV.
4"x5"x5" P w/ 2
2" O HOLE
EMBEDED IN CONCRETE
THREADBAR, ANCHOR P , NUT
& COUPLER BY OTHERS
L
C JOINT
L
C DUCT AND THREADBARL
DETAIL B (PHASED POCKET)
2" = 1'0"
SECTION
2"1
8"
BACK OF POCKET
2" X 5
2"
(P NOT SHOWN)
ISOMETRIC
TOWN
LOCATION
BRIDGE NO. STATE PROJECT
REVISIONS AFTER PROPOSAL
DESIGNED
DRAWN
QUANTITIES
BY DATE
CHECKED
CHECKED
CHECKED
BY DATE OF
BRIDGE SHEET
FILE NUMBER
TOTAL SHEETSSHEET NO.SHEET SCALE
STATE OF NEW HAMPSHIRE
DEPARTMENT OF TRANSPORTATION * BUREAU OF BRIDGE MAINTENANCE
REV. DATE
ISSUE DATE CREWFISCAL YEAR
PREVENT JOINT GROUT FROM ENTERING THE POST-TENSION DUCTS.
12. MANUFACTURER TO PROVIDE 12 COMPRESSIBLE SELF ADHESIVE SEALS TO BE USED TO
TO BE INSTALLED BY OTHERS.
11. MANUFACTURER TO PROVIDE 16 - 1"x6"x3' 50 DUROMETER PLAIN ELASTOMERIC BEARING PADS
10. CHAMFER ALL EDGES ¾”
ATTAINED A COMPRESSIVE STRENGTH, AS SHOWN BY CYLINDER TEST, OF AT LEAST 4000 PSI.
9. NO PRESTRESS SHALL BE TRANSFERRED TO THE CONCRETE UNTIL IT HAS
STRAND SHALL BE 57 KIPS AFTER ACCOUNTING FOR CHUCK SLIP.�8. THE INITIAL TENSION PER 0.6"
7. THE TENSILE STRENGTH OF THE PRETENSIONING STRANDS SHALL BE 270KSI.
STEEL STRANDS AND SHALL CONFORM TO AASHTO M 203.
, UNCOATED, SEVEN-WIRE, LOW RELAXATION�6. ALL PRETENSIONING STRANDS SHALL BE 0.6"
THE END OF THE BEAM.
5. ALL BONDED PRESTRESSED STRANDS SHALL BE CUT OFF WITH A 9" EXTENSION BEYOND
4. DRILLING INTO THE BOX BEAMS SHALL NOT BE ALLOWED.
3. THE TOP SURFACE OF THE BEAMS SHALL BE RAKED TRANSVERSELY TO A 0.25" AMPLITUDE.
(LOAD AND RESISTANCE FACTOR DESIGN SHALL BE APPLIED).
A LICENSED PROFESSIONAL ENGINEER AND BE ACCOMPANIED BY ALL DESIGN CALCULATIONS
LIFTING AND LIFT HARDWARE DRAWINGS SHALL BE STAMPED AND SIGNED BY
PRECAST COMPONENTS. THESE DRAWINGS SHALL SHOW REINFORCEMENT TYPE, SIZE, LOCATION,
2. SHOP DRAWINGS SHALL BE SUBMITTED FOR APPROVAL IN ACCORDANCE WITH 105.02 FOR ALL:
SHALL BE SUBJECT TO INSPECTION AND APPROVAL BY THE ENGINEER.
1. THE QUALITY OF MATERIALS, PROCESS OF MANUFACTURE, AND COMPLETED SLABS
PRESTRESSED SLAB NOTES
5. CONCRETE: PRECAST CONCRETE SOLID SLABS f'c = 6000 psi AT 28 DAYS
4. REINFORCING STEEL: AASHTO M31 (ASTM A615) GRADE 60, EPOXY COATED
NHDOT 2016 STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION, AS AMENDED
3. AASHTO 2024 LRFD BRIDGE DESIGN SPECIFICATION, AS AMENDED
2. DESIGN METHOD: LOAD AND RESISTANCE FACTOR DESIGN (LRFD)
1. DESIGN LOADING: HL93
GENERAL NOTES
WEARE 137/043 41165
NH ROUTE 114
SWJ
SWJ
1 2
2/25
2/25
2026 14
Weare 137_043 - Final.dgn Prestressed Plan-1 2/25/2025 4:58:47 PM “Personal”
" = 1'-0"2
SCALE: 1 " = 1'-0"2
SCALE: 1" = 1'-0"2
SCALE: 1
4'-0" NOMINAL WIDTH
3'-11½" ACTUAL WIDTH
TO 1/4" AMPLITUDE
TOP SURFACE ROUGHENED
BONDED STRANDS
SCALE: 1" = 1'-0"" = 1'-0"2
SCALE: 1
EXTERIOR BEAM
INTERIOR BEAM BEYOND 2'-0" INTERIOR BEAM AT END
" = 1'-0"2
SCALE: 1
EXTERIOR BEAM BEYOND 2'-0" EXTERIOR BEAM AT END
INTERIOR BEAM
#4 HAIRPIN BARS SPACED AT 12" ON CENTER
#4 STIRRUPS SPACED AT 6"
INTO PAGE
TIE BARS GOING
4'-0" NOMINAL WIDTH
3'-11½" ACTUAL WIDTH
#4 HAIRPIN BARS SPACED AT 6" ON CENTER
2'-0" Lap
TO 1/4" AMPLITUDE
TOP SURFACE ROUGHENED
" = 1'-0"2
SCALE: 1
STRAND LOCATIONS ALL BEAMS
"8
82'-6""8
C 3" DUCTL
2" CLR
C
L R
C
L R
P R
O J E
C T
IO
N
2" CLR
2" CLR2" CLR
C
L R
C
L R
P
R O
J E
C T
IO
N
P
R O
J E
C T
IO
N
#4 STIRRUPS SPACED AT 6"
#4 HAIRPIN BARS
#4 CURB BAR (SEE PLAN)
START 3" FROM END
#4 STIRRUPS SPACED AT 3"
#4 HAIRPIN BARS
"4
44"4"4"4"6"4"4"4"4""4
PLACE 3" CLEAR FROM END
2 - #4 HORIZ TIES
PLACE 3" CLEAR FROM END
2 - #4 HORIZ TIES
2'-0" LAP
START 3" FROM END
#4 STIRRUPS SPACED AT 3"
"2
1'-5
10"
CURB HAIRPIN
6"
3'-6"
HORIZ TIE
"8
"4
" JOINT2
"4
TOWN
LOCATION
BRIDGE NO. STATE PROJECT
REVISIONS AFTER PROPOSAL
DESIGNED
DRAWN
QUANTITIES
BY DATE
CHECKED
CHECKED
CHECKED
BY DATE OF
BRIDGE SHEET
FILE NUMBER
TOTAL SHEETSSHEET NO.SHEET SCALE
STATE OF NEW HAMPSHIRE
DEPARTMENT OF TRANSPORTATION * BUREAU OF BRIDGE MAINTENANCE
REV. DATE
ISSUE DATE CREWFISCAL YEAR
Prestressed Details-1
JOINT DETAIL
3"=1'-0"
SCALE: 3"" = 1'-0"
JOINT DETAIL
" = 1'-0"2
SCALE:
BAR DETAILS
137/043WEARE 41165
NH ROUTE 114
SWJ
SWJ
2/25
2/25
2 2
2142026
Weare 137_043 - Final.dgn Prestressed Details-1 2/25/2025 4:59:31 PM “Personal”
| Attachment 1 Beam Specs 1 |
| beam drawing |
File details come from the government source that posted it. Updated .