HomeMy WebLinkAboutA501 Retaining Wall & Outdoor Stair PlansG2
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NEW OUTDOOR STAIR
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EXISTING OUTDOOR STAIR
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CO\S
SEQUE\CEI
VERIFY LOCATION OF EXISTING STRUCTURES AND UTIUTIES.
•EXCAVATE AREA LARGE ENOUGH TO ACCOMMODATE LEVEUNG PAD, REQUIRED UNIT
EMBEDMENT, AND REQUIRED GEOGRID LENGTHS.
PROOF ROLL AND COMPACT EXCAVATED FOUNDATION AREA.
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EXISTING GRADE
rIN
APPROXIMATE EXCAVATION
UNE, FOLLOW OSHA
f GUIDELINES
GRANULAR LEVELING
PAD MIN. 6" THICK BY
24" WIDE
STEP 1
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UNDISTURBED SOIL
PLACE LOWEST COURSE OF WALL UNITS ON LEVEUNG PAD, SETTING UNIT SIDES
AGAINST ADJACENT UNITS.
LEVEL UNITS SIDE -TO -SIDE, FRONT -TO -REAR, AND WITH ADJACENT UNITS.
•CHECK ALIGNMENT ALONG BACK OF UNITS.
•PLACE AND COMPACT BACKFILL IN FRONT AND BEHIND UNITS TO BE EMBEDDED
BELOW FINAL GRADE.
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COMPACTED
BACKFILL
EMBEDMENT VARIES,
APPROX tuIATELY 1/10
THE WALL HEIGHT
FIRST COURSE
STEP 2
PLACE NEXT COURSE OF UNITS. INSERT TWO CONNECTION PINS THROUGH TWO
OF THE FOUR CENTER HOLES OF THE UPPER COURSE UNITS INTO THE CENTER
SLOTS OF THE LOWER COURSE UNITS.
CHECK LEVEL AND ALIGNMENT OF UNITS.
CONTINUE PLACING COURSES OF UNITS AND COMPACTING BACKFILL IN FRONT
OF AND BEHIND UNITS UNTIL REACHING HEIGHT OF FINAL GRADE IN FRONT OF
WALL
BEGINNING JUST ABOVE THE FINAL GRADE IN FRONT OF WALL, PLACE
DRAINAGE AGGREGATE BEHIND THE UNITS TO REQUIRED THICKNESS.
INSTALL DRAINAGE COLLECTION PIPES AT BASE OF DRAINAGE AGGREGATE, WITH
PERFORATION OR SLOTS FACING DOWN.
SLOPE DRAIN PIPE TO ALLOW GRAVITY FLOW OF WATER TO OUTSIDE THE WALL
SYSTEM, OUTLETTING PIPES AS REQUIRED.
PLACE AND COMPACT REINFORCED BACKFILL BEHIND DRAINAGE AGGREGATE.
FINAL GRADE
HI
DRAIN AGGREGATE 1
THICK MIN.
DIA. DRAIN WIPE
OUTLET AT END OF
WALL OR AT 40'
CENTERS MAX.
STEP 3
N J
2
f
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REINFORCED BACKFILL
COMPACTED 95% OF
MAXIMUM STANDARD
PROCTOR DENSITY
CONTINUE PLACING UNITS, DRAINAGE AGGREGATE AND REINFORCED BACKFILL,
UNTIL REACHING HEIGHT OF GEOSYNTHETIC LAYER.
LAY THE REQUIRED LENGTH OF GEOSYNTHETIC HORIZONTALLY ON TOP OF THE
UNITS, ENSURING HIGHEST STRENGTH DIRECTION OF GEOSYNTHETIC IS
PERPENDICULAR TO WALL FACE.
PLACE NEXT COURSE OF UNITS ON TOP OF GEOSYNTHETIC AND PIN DOWN
THROUGH GEOSYNTHETIC INTO UNITS BELOW.
•PLACE DRAINAGE AGGREGATE BEHIND UNITS TO REQUIRED THICKNESS.
PULL BACK OF GEOSYNTHETIC TO REMOVE ANY WRINKLES OR LOOSENESS. DO
NOT OVER TENSION.
USE STAPLES, STAKES, OR HAND TENSION TO KEEP GEOSYNTHETIC TAUT UNTIL
BACKFILL IS PLACED ON TOP.
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STEP 4
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REINFORCED
BACKFILL
COMPACTED 95% OF
MAXIMUM STANDARD
PROCTOR DENSITY
PULL GEOSYNTHECTIC TIGHT
AND HOLD IN PLACE WITH
STAKE OR BY OTHER
MEANS
GEOSYNTHETIC
REINFORCEMENT TYPE,
LENGTH AND SPACING
VARIES
CONTINUE PLACEMENT OF WALL UNITS, GEOSYNTHETIC, DRAINAGE AGGREGATE
AND REINFORCED BACKFILL BY REPEATING STEP 4 UNTIL WALL IS WITHIN ONE
FOOT OF FINAL HEIGHT.
STACK NO MORE THAN THREE COURSES BEFORE BACKFILL IS PLACED BEHIND
WALL
COMPACT BACKFILL IN NO GREATER THAN 6" THICK UFTS.
STEP 5
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REINFORCED BACKFILL COMPACTED
95% OF MAXIMUM STANDARD
PROCTOR DENSITY
PLACE AND COMPACT IMPERVIOUS SOIL BEHIND THE TOP 12 INCHES OF THE
WALL.
PLACE AND ALIGN CAP UNITS, WITH A SLIGHT OVERHANG, ON TOP COURSE.
AFTER ENSURING PROPER AUGNMENT, REMOVE AND THEN ADHERE CAPS WITH
VERSA -LOK ADHESIVE.
CAP UNIT ADHERES TO TOP
COURSE WITH VERSA -LOK
CONCRETE ADHESIVE
IMPERVOUS FILL
12" DEEP
STEP 6
t
SLOPE AND
LOADING VARIES
REINFORCED BACKFILL
COMPACTED 95% OF
MAXIMUM STANDARD
PROCTOR DENSITY
RETAINING WALL CONSTRUCTION
SCALE: NONE
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INSTALLATION NOTES
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STRIP VEGETATION AND ORGANIC SOIL FROM WALL AND GEOSYNTHETIC ALIGNMENT.
BENCH CUT ALL EXCAVATED SLOPES.
DO NOT EXCAVATE BEYOND EXCAVATION LINES SHOWN ON PLAN UNLESS DIRECTED BY SITE SOILS ENGINEER TO
REMOVE UNSUITABLE SOIL
CONTRACTOR SHALL ENSURE TEMPORARY EXCAVATIONS ARE STABLE AND PROVIDE EXCAVATION SUPPORT IF
NEEDED.
SITE SOILS ENGINEER SHALL VERIFY FOUNDATION SOILS AS BEING COMPETENT PER THE DESIGN PARAMETERS.
LEVELING PAD SHALL CONSIST OF WELL GRADED ROAD BASE AGGREGATE, 3/4" CRUSHED, ANGULAR GRAVEL WITH
SOME FINES
CONTRACTOR MAY OPT FOR A LEAN CONCRETE LEVELING PAD. PAD SHALL BE UNREINFORCED LEAN CONCRETE,
200 -300 PSI, 3" THICK MAXIMUM.
DRAINAGE AGGREGATE SHALL CONSIST OF CLEAN ANGULAR GRAVEL, 3/4" DIAMETER WITH LESS THAN 5% FINES.
DRAINAGE PIPE SHALL BE PERFORATED OR SLOTTED PVC OR CORRUGATED HDPE PIPE.
REINFORCED BACKFILL SHALL BE FREE OF DEBRIS, ORGANIC SOIL, AND EXPANSIVE SOILS.
FOR UNITS TO BE EMBEDDED, COMPACT FILL IN FRONT OF UNITS AT THE SAME TIME FILL BEHIND UNITS IS
COMPACTED.
COMPACTION SHALL BE TO 95% OF MAXIMUM STANDARD PROCTOR DENSITY. (ASTM D -698)
COMPACTION TESTS SHALL BE TAKEN AS THE WALL IS INSTALLED. THE MINIMUM NUMBER OF TESTS SHALL BE
DETERMINED BY THE SITE SOILS ENGINEER.
COMPACTION WITHIN 3FT. OF WALL SHALL BE LIMITED TO HAND OPERATED EQUIPMENT.
CONTRACTOR SHALL SLOPE SITE GRADES TO DIRECT SURFACE RUNOFF AWAY FROM WALL AT END OF EACH DAY
TO AVOID WATER DAMAGING THE WALL WHILE UNDER CONSTRUCTION.
ANY SURFACE DRAINAGE FEATURES, FINISH GRADING, PAVEMENT, OR TURF SHALL BE INSTALLED IMMEDIATELY
AFTER WALL IS COMPLETED.
FOLLOW APPLICABLE PROVISIONS OF "IHE WALL UNIT AND GEOSYNTHETIC MANUFACTURER'S INSTALLATION
INSTRUCTIONS AND WRITTEN SPECIFICATIONS.
IF SITE AND SOIL CONDITIONS, WALL GEOMETRY, OR WALL LOADINGS ARE DIFFERENT THAN IN THE DRAWINGS AND
THE DESIGN PARAMETERS, THE CONTRACTOR MUST CONTACT DESIGN ENGINEER PRIOR TO PROCEEDING WTH THE
CONSTRUCTION OF THE WALL.
DESIGN PARAMETERS AND PROVISIONS
THE DESIGN OF THE WALL SYSTEM ASSUMES THE FOLLOWING PARAMETERS:
FRICTION UNIT
SOIL CONDITIONS ANGLE WEIGHT
REINFORCED BACKFILL
RETAINED BACKFILL
FOUNDATION SOIL
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HYDROSTATIC LOADING NONE
SURCHARGE LOAD AT TOP OF WALL
ALLOWABLE BEARING CAPACITY
THE WALL DESIGN ENGINEER ASSUMES NO LIABILITY FOR INTERPRETATION OF SUBSURFACE CONDITIONS,
SUITABILITY OF SOIL DESIGN PARAMETERS AND INTERPRETATIONS OF SUBSURFACE GROUNDWATER CONDITIONS.
THE OWNER OR OWNER'S REPRESENTATIVE IS RESPONSIBLE FOR ENSURING THE CONDITIONS STATED ABOVE ARE
ACCURATE PRIOR TO AND DURING CONSTRUCTION.
THE OWNER OR OWNER'S REPRESENTATIVE IS RESPONSIBLE FOR ENSURING THE WALL DESIGN ENGINEER IS
CONTACTED IF CONDITIONS VARY.
IT IS THE OWNER OR THE OWNER'S REPRESENTATIVE'S RESPONSIBILITY TO ENSURE EXTERNAL STABILITY OF THE
WALL, INCLUDING BEARING CAPACITY AND SLOPE STABILITY, IS PROPERLY REVIEWED AND EVALUATED BY A
QUALIFIED CIVIL ENGINEER. THE WALL DESIGN SHOWN IN THESE DRAWINGS DO NOT ADDRESS THE SUFFICIENCY
OF THE BEARING CAPACITY NOR THE SLOPE STABILITY OF THE WALL SYSTEM AND SURROUNDING SOIL
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REVISIONS
TE
REVISIONS/SUBMISSIONS
ckK
No.
3965
STATE OF
NOT PUBUSHED ALL RIGHTS RESERVED
THIS DRAWING AND THE IDEAS, DESIGNS AND CONCEPTS CONTAINED IEREIN ARE 1HE EXCLUSIVE
PROPERTY OF MAS ASSOCAIATES AND ARE NOT TO BE USED OR REPRODUCED
NI WHOLE OR IN PMT, WITHOUT TIT; WRITTEN CONSENT OF MAS ASSOCAIATES.
MAS ASSOCIATES, LLC.
Architects and Planners
5200 East 64TH Street, Suite A
Indianapolis, Indiana 46220
msmith@masassociates.net
Phone 317 726 1060 Fax 317 726 1061
Formerly Cool Creek Apartments
CARMEL WOODS APARTMENTS
Carmel, Indiana
DATE PROJECT NO. DRAWN APPROVED
MAS I MAS
COMPUTER FILE NAMES
RETAINING WALL AND OUTDOOR STAIR PLANS
10/30/2003 2341.001
SNIT NO.
A501