BR12805_Repair_-_ADDENDUM_TWO.pdf
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- Attached to
- Eckert Road Bridges 2147 and 2148– Boise River and Ridenbaugh Canal, Eckert Road and Boise Avenue Roundabout
- Solicitation number
- CT227-01
- Issued by
- Ada County, Idaho
About this file
This is an Addendum Two to bridge repair plans for the Ada County Highway District, detailing timber pile repair specifications for Eckert Road over Ridenbaugh Canal (Project No. BR12805). The addendum provides comprehensive construction plans and procedures for repairing a 14-inch diameter existing timber pile with a concrete jacket repair system, including detailed material specifications, estimated quantities, and step-by-step construction methodology. Materials include a 30-inch galvanized CMP or HDPE pipe jacket, Class 40A concrete (1.50 cubic yards), 78.75 feet of epoxy-coated reinforcing steel, 48 galvanized L-shaped anchor bolts, 10.25 feet of galvanized wire rope, galvanized threaded rod with precast inserts, and timber sway braces of Douglas Fir/Larch. The construction procedure encompasses nine sequential steps beginning with removal of the existing sway brace, installation of the split pipe sections with reinforcement, spiral wrapping of steel cable, concrete placement, and finishing with a slope to prevent water pooling. All materials and workmanship must comply with the State of Idaho Transportation Department Standard Specifications for Highway Construction (2023 Edition) and applicable ASTM, AASHTO, and Hilti product standards, with specific requirements for epoxy-coated reinforcement, concrete cover specifications, and utility location and protection.
The repair design specifies precise material grades and standards, including ASTM A307 Grade A threaded rod and hex bolts, ASTM F1554 Grade 36 anchor bolts, AASHTO M31 Grade 60 reinforcement steel with yield strength of 60 ksi, and concrete with compressive strength of 4.0 ksi. The construction notes identify acceptable product alternatives, such as Dayton Superior galvanized F64 ferrule loop inserts and Hilti HIT-RE 500 V3 epoxy for anchoring, and permit the use of epoxy-coated No. 4 rebar hoops as an alternative to wire rope. Field verification and dimension adjustment to existing conditions are required prior to material ordering, with particular emphasis on verifying precast insert height from mudline and ensuring proper orientation of the CMP or HDPE pipe longitudinal joints. All timber cutting and drilling must occur prior to preservative treatment per ITD 2023 Standard Specifications Section 710.09, with touch-up treatment applied after field modifications. The plans are dated February 2025 and were designed and checked by KEH and JCS personnel.
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Text version
REVISIONS
BRIDGE KEY NO.
COUNTY
BRIDGE DWG. NO.
KEY NO.
SHEET
OF
SCALES SHOWN
PRINTS ONLY
ARE FOR 11" X 17"
CADD FILE NAME
DATE:
DATE DESCRIPTIONNO. BY
BRIDGE PLANS
PROJECT NO.
DISTRICT
HIGHWAY
ADA COUNTY
ENGLISH
BR12805_REPAIR.dgn
FEB 2025
DWG. CHECKED
DETAILED
DESIGN CHECKED
DESIGNED
CORRECTIONS
KEH
JCS
KEH
JCS
KEH
12805
ADA
1 2
TIMBER PILE REPAIR
ECKERT ROAD OVER RIDENBAUGH CANAL
GENERAL NOTES, QUANTITIES, & PROCEDURE
GENERAL NOTES
AND SPECIAL PROVISIONS.
DEPARTMENT, "STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION", 2023 EDITION, THE PROJECT PLANS, MATERIALS, CONSTRUCTION AND WORKMANSHIP IN ACCORDANCE WITH THE STATE OF IDAHO TRANSPORTATION
¾" GALV. THREADED PRECAST INSERT
¾" DIA. GALV. THREADED ROD W/ NUTS AND WASHERS
¾"X1'-6" GALV. BOLTS W/ NUTS AND WASHERS
3"X8" TIMBER
GALV. OR SS STEEL BANDING
CONCRETE CLASS 40A SCH. NO. 1
½" DIA. GALV. WIRE ROPE
NO. 5 EPOXY COATED METAL REINFORCEMENT
½"X8" GALV. L-SHAPED ANCHOR BOLTS
30" GALV. CMP OR HDPE PIPE
1 EA
1 EA
1 EA
10 FT
6 EA
1.50 CY
150 FT
78.75 FT
48 EA
10.25 FT
MATERIALS
CARBON STEEL WIRE ROPE - ASTM A1023 OTHER:
TIMBER MALLEABLE WASHERS - ASTM A47
NUTS - ASTM A563, GRADE A HEX
THRU BOLTS - ASTM A307, GRADE A
ANCHOR BOLTS - ASTM F1554, GRADE 36
FASTENERS: THREADED ROD - ASTM A307, GRADE A
TIMBER: SWAY BRACE - DOUGLAS FIR/LARCH
METAL REINFORCEMENT: AASHTO M31 GRADE 60
CONCRETE: PILE REPAIR - CLASS 40A
fu = 60.00 ksi
GRADE NO. 1
fy = 60.00 ksi f'c = 4.00 ksi
CONSTRUCTION
CONSTRUCTION SPECIFICATIONS
PLAN DIMENSIONS AND ELEVATIONS
DO NOT SCALE DIMENSIONS FROM THE PROJECT PLANS.
ORDERING MATERIALS.
FIELD VERIFY AND ADJUST CONTROLLING DIMENSIONS TO FIT THE AS-CONSTRUCTED BRIDGE BEFORE
CONSTRUCTED BRIDGE. WHERE DIMENSIONS OF THE PROPOSED WORK DEPEND ON EXISTING CONDITIONS, DIMENSIONS SHOWN ARE BASED ON THE EXISTING PLANS AND DO NOT NECESSARILY REPRESENT THE AS-
PROVIDE REINFORCING STEEL SPLICE LENGTHS IN ACCORDANCE WITH AASHTO SPECIFICATIONS.
REINFORCING BAR, UNLESS SHOWN OTHERWISE ON THE DRAWINGS.
PROVIDE 2" CONCRETE COVER MEASURING FROM THE FACE OF THE CONCRETE TO THE FACE OF ANY
DIMENSIONS TO REINFORCING STEEL ARE TO CENTERLINE OF BAR UNLESS NOTED OTHERWISE.
LOCATE, RETAIN, AND PROTECT UTILITIES WITHIN THE VICINITY OF THE BRIDGE.
DISPOSE OF REMOVED MATERIALS IN ACCORDANCE WITH ITD 2023 STANDARD SPECIFICATIONS SECTION 106.16.
PREVENT DEBRIS, RESULTING FROM CONTRACTOR OPERATIONS, FROM ENTERING THE WATERWAY.
PROVIDE CONSTRUCTION JOINTS ONLY AT THE LOCATIONS SHOWN ON THE PLANS OR AS APPROVED.
ALL REINFORCING STEEL TO BE EPOXY COATED IS DESIGNATED BY AN (E) AFTER THE BAR MARK.
ESTIMATED QUANTITIES
CONSTRUCTION PROCEDURE
PRECAST INSERT LOCATION.
9. AFTER CONCRETE HAS CURED INSTALL NEW SWAY BRACE WITH HOLE DRILLED IN TIMBER TO MATCH THREADED
FINISH THE CONCRETE TOP SURFACE WITH A SLOPE TO PREVENT STANDING WATER.8.
FILL THE CMP OR HDPE WITH CLASS 40A SCH. NO. 1 CONCRETE.7.
CONCRETE POUR.
GALV. OR SS STEEL BANDING IN SUFFICIENT NUMBER TO PREVENT DISTORTION OF CMP OR HDPE PIPE DURING
ATTACHED) AROUND THE PILE WITH A FORMED BOTTOM SURFACE. SECURE THE TWO HALVES TOGETHER USING
PLACE THE TWO HALVES OF THE CMP OR HDPE PIPE (WITH SWWAY BRACE BOLT AND THREADED PRECAST INSERT 6.
AT A 6" PITCH, SECURING WITH WIRE TIES.
BEGINNING AT THE TOP OF THE LONGITUDINAL BARS, SPIRALLY WRAP THE GALV. STEEL CABLE AROUND THE BARS 5.
ATTACH LONGITUDINAL REINFORCING TO ANCHOR BOLTS WITH WIRE TIES.4.
MANUFACTURER'S INSTRUCTIONS. EMBED ANCHOR BOLTS 3¼" INTO TIMBER PILE.
INSTALL L-SHAPED ANCHOR BOLTS RADIALLY AT EIGHTH POINTS WITH HILTI HIT-RE 500 V3 EPOXY PER 3.
CUT EXISTING SWAY BRACE CLOSE TO PILE T2 AND REMOVE THE CUT SECTION FROM PILE T1.2.
CUT 30" GALV. CMP OR HDPE PIPE IN HALF, LONGITUDINALLY.1.
EXISTING PLANS
EXISTING CONSTRUCTION: ITD DWG. NO. 6404 & 6404-B
INCIDENTAL ITEMS
WORK NECESSARY TO FULFILL THE CONTRACT THAT IS NOT MEASURED OR PAID FOR SEPARATELY.
REVISIONS
BRIDGE KEY NO.
COUNTY
BRIDGE DWG. NO.
KEY NO.
SHEET
OF
SCALES SHOWN
PRINTS ONLY
ARE FOR 11" X 17"
CADD FILE NAME
DATE:
DATE DESCRIPTIONNO. BY
BRIDGE PLANS
PROJECT NO.
DISTRICT
HIGHWAY
ADA COUNTY
ENGLISH
BR12805_REPAIR.dgn
FEB 2025
DWG. CHECKED
DETAILED
DESIGN CHECKED
DESIGNED
CORRECTIONS
KEH
JCS
KEH
JCS
KEH
12805
ADA
1 2
TIMBER PILE REPAIR
ECKERT ROAD OVER RIDENBAUGH CANAL
DECAY EXTENT
SCALE: NTS
PROPOSED REPAIR
SCALE: NTS
DECAY
R E
P A
IR
H
E
IG
H T
SYMMETRICAL ABOUT
EXISTING PIER CAP
TIMBER PILE
14" DIA. EXISTING
MUDLINE (TYP.)
OR HDPE PIPE
30" GALV. CMP
FINISH
SLOPE CONCRETE
#5 REBAR (E) (TYP.)
ANCHOR BOLT (TYP.)
GALV. L-SHAPED
6" PITCH
WIRE ROPE @
½" DIA. GALV.
ELEVATION
SCALE: NTS
S
P C
S
S
P C
S
" A A
SECTION A-A
SCALE: NTS
HDPE, SEE NOTE 7
30" CMP PIPE OR
POINTS, SEE NOTE 3
ANCHOR BOLTS, AT EIGHTH
½" X 8" GALV. L-SHAPED
#5 REBAR (E)
SEE NOTE 6
½" DIA. GALV. WIRE ROPE,
TIMBER PILE
14" DIA. EXISTING
CONCRETE
CONCRETE JACKET REPAIR
STREAM
FLOW
NOTES
4"
SWAY BRACE DETAIL
SCALE: NTS
SWAY BRACE
EXISTING 8"x3"
EXISTING PILE, T3
EXISTING BOLT
REPAIRED PILE, T1
EXISTING PILE, T2
CUT TO FIT
8" X 3" TIMBER,
MALLEABLE WASHERS
BOLT WITH TIMBER
¾"X1'-6" GALV. THRU
TOUCH-UP PRESERVATIVE TREATMENT AFTER CUTTING AND DRILLING.
PERFORM ALL CUTTING AND DRILLING OF TIMBER MEMBERS PRIOR TO PRESERVATIVE TREATMENT OR APPLY 9.
TREAT TIMBER PER ITD 2023 STANDARD SPECIFICATIONS SECTION 710.09.8.
ORIENT CMP OR HDPE PIPE SO THAT THE LONGITUDINAL JOINTS ARE IN LINE WITH PILES. 7.
LAP LENGTH.
SPACING IS MAINTAINED IF REBAR HOOPS ARE UTILIZED. LAP HOOP ENDS TO CONFORM WITH AASHTO MIN.
EPOXY COATED NO. 4 REBAR HOOPS ARE AN ACCEPTABLE ALTERNATIVE TO THE WIRE ROPE. ENSURE 6" 6.
AVOID METAL REINFORCEMENT WHILE DRILLING CONCRETE.
SIMILAR PRODUCT ARE UTILIZED. UTILIZE PACHOMETER OR OTHER NDT REBAR LOCATING TOOL/METHOD TO
ENSURE 6" EMBEDMENT IF THREADED ROD AND HILTI HIT-RE 500 V3 ANCHORING EPOXY OR APPROVED
THREADED ROD WITH ANCHORING EPOXY IS AN ACCEPTABLE ALTERNATIVE TO THE PRECAST INSERT.
FIELD MEASURE AND VERIFY INSERT HEIGHT FROM MUDLINE PRIOR TO DRILLING CMP OR HDPE PIPE. GALV. 5.
(PRODUCT CODE 43965) OR APPROVED SIMILAR.
PRECAST INSERT SHALL BE DAYTON SUPERIOR GALV. F64 FERRULE LOOP INSERT W/ NC THREADS 4.
ANCHORING EPOXY FOR ANCHOR BOLTS SHALL BE HILTI HIT-RE 500 V3 OR APPROVED SIMILAR PRODUCT.3.
L-SHAPED OR J-SHAPED ANCHOR BOLTS ARE PERMITTED.2.
AND WIRE ROPE.
PROVIDE HOT-DIP GALVANIZED ANCHOR BOLTS, THRU BOLTS, THREADED ROD, PRECAST INSERT, CMP PIPE, 1.
AND 5
INSERT, SEE NOTES 4
PRECAST THREADED
WASHER AND
TIMBER MALLEABLE
THREADED ROD WITH
¾" DIA. GALV.
STREAM
FLOW
MUDLINE
BOTTOM OF PIPE AT
BOTTOM FORM AND SET
PROVIDE A SECURE
SEE NOTES 4 AND 5
FERRULE LOOP INSERT,
¾" GALV. PRECAST
M E
A S
U R
E
F
IE
L D
C L
R
PAGE
DETAIL, THIS
PRECAST INSERT
SEE SWAY BRACE
SWAY BRACE PRECAST INSERT DETAIL
SCALE: NTS
M
I N
| BR12805_Repair_Feb 25 |
| BR12805_Repair_Feb 25 |
File details come from the government source that posted it. Updated .