HomeMy WebLinkAboutS0.00_GENERAL STRUCTURAL NOTES [Y129 00
GENERAL STRUCTURAL NOTES INmfl
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GENERAL:
THE CONTRACTOR SHALL REVIEW THE CONSTRUCTION DRAWINGS AND NOTIFY THE ENGINEER OF
ANY ERRORS OR DISCREPANCIES PRIOR TO THE START OF CONSTRUCTION.
1, WRITTEN DIMENSIONS SHALL TAKE PRECEDENCE OVER SCALED DIMENSIONS. DO NOT SCALE 2
DRAWINGS. DIMENSIONS SHOWN ON THE DRAWINGS REFLECT THE ENGINEERS SITE GRADING J3
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INTERPRETATION, CONTRACTOR TO VERIFY.
2. THE CONTRACTOR SHALL NOTIFY THE OWNER IMMEDIATELY IF ANY UNIDENTIFIED EXISTING L o
UNDERGROUND UTILITIES ARE DISCOVERED. THE ENGINEER IS NOT RESPONSIBLE FOR THE LL
LOCATIONS OF EXISTING UNDERGROUND UTILITIES WHETHER OR NOT SHOWN ON THE
DRAWINGS. yCL
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3. THE OWNER SHALL EMPLOY A SPECIAL INSPECTION SERVICE AS REQUIRED PER THESE
STRUCTURAL NOTES.
4. SPECIFIC NOTES AND DETAILS SHALL TAKE PRECEDENCE OVER GENERAL NOTES AND
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DETAILS.
5. WORK NOT PARTICULARLY SHOWN OR SPECIFIED SHALL BE THE SAME AS SIMILAR PARTS
THAT ARE SHOWN OR SPECIFIED.
6. ALL WORK SHALL CONFORM TO THE MINIMUM STANDARDS OF THE FOLLOWING CODES:
AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS,9th EDITION AND CURRENT INTERIMS
IDAHO STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION
ADA COUNTY HIGHWAY DISTRICT POLICY MANUAL
AND ANY OTHER REGULATING AGENCIES WHICH
MAY HAVE AUTHORITY OVER ANY PORTION OF THE
WORK, INCLUDING THE STATE OF IDAHO. CONTACT ❑IGLINE
48-HOURS
7. SPECIFICATIONS, CODES AND STANDARDS NOTED SHALL BE OF THE LATEST APPROVED BEFORE DIGGING
ISSUE, INCLUDING SUPPLEMENTS, UNLESS NOTED OTHERWISE. 1-800-342-1585
8. THE CONTRACTOR SHALL PROVIDE SURFACE AND SUBSURFACE DRAINAGE, GRADING,AND
EROSION CONTROL DURING AND AFTER WALL CONSTRUCTION TO AVOID DAMAGE TO THE
WALL STRUCTURE.
9. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING ALL PERMITS AND EASEMENTS
NECESSARY FOR WALL CONSTRUCTION. THE CONTRACTOR IS RESPONSIBLE FOR
PROTECTING ADJACENT PROPERTY FROM WALL CONSTRUCTION ACTIVITIES.
10_ CONTRACTOR TO LOCATE ALL DRAINS DIRECTING WATER IN THE AREA OF WORK AND w
MITIGATE WATER BY DIRECTING DRAINAGE AROUND RETAINING WALL AREA C)
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DESIGN CRITERIA: J D ❑
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1. AASHTO LRFD 9th EDITION W/LATEST REVISIONS: _ Z
A. RETAINED SOIL —�
I. ACTIVE PRESSURE= 34 PCF IL
2. UNIT WEIGHT= 120 PCF LL
3. SOIL FRICTION ANGLE =32' V) 2
B. EXTREME EVENT LOADS
1, SITE CLASS = D
2, Sd 1 = 0.17g <
C. MINIMUM WALL BURY DEPTH =24"
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WALL CONSTRUCTION SHALL CONFORM TO ITD SPECS AND BELOW:
1. FILL SHALL BE ANALYZED AND THE RESULTS SHALL BE APPROVED BY THE ENGINEER, MEETING THE
REQUIREMENTS OF ITD SPECS &CONTRACT SPECIAL PROVISIONS. t
RETAINED SOIL BACKFILL: 2"MINUS CRUSHED OR UNCRUSHED GRANULAR FILL &SHALL MEET ALL 4L 4 �
PROJECTS SPECS- 8 �
NOTE: REINFORCED BACKFILL SOILS SHALL CONTAIN NO CLAYS. ap
2. WALL FACE SHALL BE CONSTRUCTED WITHIN ITD TOLERANCES. E �4 0-z".
3. WALL ELEVATIONS, GRADES, AND BACKSLOPE CONDITIONS SHALL BE VERIFIED BY THE CONTRACTOR
AND/OR ON SITE INSPECTOR FOR CONFORMANCE WITH THE APPROVED DESIGN PLANS. IF ANY �LAYTo
DISCREPANCIES OR MODIFICATIONS ARE NOTICED, CONTACT THE ENGINEER FOR REQUIRED DESIGN �5f26/2023
MODIFICATIONS PRIOR TO PROCEEDING WITH CONSTRUCTION.
4. STRUCTURAL BACKFILL SHALL BE COMPACTED TO 95 PERCENT OF THE MAXIMUM DENSITY AS .6 4n 'f tf) to 't p
DETERMINED BY AASHTO T-99 (METHOD C OR D)AND PER ASTM 0698_ COMPACTION WITHIN 3' OF THE o m m � a
BACK FACE OF THE WALL SHALL BE ACHIEVED BY AT LEAST FIVE PASSES OF A LIGHTWEIGHT a) °7 0 `0 `� = 0 >
MECHANICAL TAMPER, ROLLER, OR A VIBRATORY SYSTEM OR AS DIRECTED BY THE MANUFACTURER WITH L rn � co co 0
6" MAX LOOSE LIFT HEIGHTS. o -m o co o
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FOUNDATIONS:
1, THE CONTRACTOR SHALL INSPECT ALL WALL EXCAVATION AND RETAINED SOILS FOR GROUNDWATER cli
CONDITIONS. IF GROUNDWATER IS DETERMINED WITHIN TWO FEET OF THE BOTTOM OF THE WALL, `� o
CONTACT THE ENGINEER FOR REVISED DESIGN CONSIDERATIONS.
2. SOIL UNDERLYING LEVELING COURSE SHALL BE COMPACTED TO AT LEAST 95 PERCENT OF THE MAXIMUM
LABORATORY DRY DENSITY PER ASTM D698, AASHTQ T99, METHOD C OR D.
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�W JOB NUMBER:
SE23-207
DATE: 05/25/23
SHEET NUMBER:
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