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Michael Remboldt PE
GE'otE'chmcal & CIvil EngmE'E'rmg
521 MarkE't St StE' B EugE'nE' OR 97402
5t16849399 fax 541684 9358 ___ ACH-zI/./ j.//4rJ.4 <1/,J.{?
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Michael Remboldt PE
GeDtechnlcal & CIVIl Engmeermg
521 Market St Ste B Eugene OR 97402
541 684 9399 Fax 541 684 9358
engineering
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Michael Remboldt PE
Geotechnical & CIvil Engineering
521 Market St Ste B Eugene OR 97402
541 6849399 fax 541 684 9358
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Geotechmcal & CIvil Engmeerlng
521 Market St Ste B Eugene OR 97402
541 684 9399 fax 541 684 9358
engineering
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DescnptlOn F .~ o;...n- / (~'l l v ,'1-{/1--
ed to attain virtually any height. Geosynthetics testing results WIth many geosynthetic tyP~
must have ~ performance with the ANCHOR Water Projects. ANCHOR D~06 can be used in
.;; 'IAMOND@ unit t1ln>ugQ.sonnection testing. water projects. Cons~tiooS which must be addressed
Contained in this man~are~les for geosyn- in the design.JncltiCfe velocity of water impacting the
thetic reinforcement placement under . conditions stru.crur~id draw down effect and ice flow.
'---- fu
(slopes, soils and surcharges). All data in thiS ~- Success I ANCHOR DIAMOND@ water
ANCHOR DIAMOND@ Estimating Man " -prelimi- ~ct designs use a combination of geosynthetics for
nary and for estimating purpo " Actual pro- reinfO?cem t and ftItration - as well as "rip-rap"
ject conditions will v~ mal design must be per-placed in front 0 wall to protect the footing. All
formed by a ~rered engineer. water projects should be . ed by a registered
AnddWall Systems has available connection professional engineer. Please refer t Anchor Wall
Systems Water Applications Manual for design .
tion.
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GENERAL INFORMATION
Compressive strength ........... 3000 psi min.
Absorption rote . . . . . . . . . . . . . . . . .. 7.0% max.
Materiol composition ............. High quolity
zero slump concrete
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DIAMOND CAP UNIT (OPTIONAL)
Approximote Dimensions. ...... 3"x17.2S"xlO"*
Approximate Weight ............... 321bs. **
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SPECIFICATIONS
DIAMOND BEVELED UNIT
Approximote Dimensions...... 6"xlS.07S"x12"*
Approximate Weight ... .. .. . .. .. ... 60/bs. **
Covemge . . . . . . . . . . . . . . . . . . . . . .. .67 sq ft.
Set Bock . . . . . . . . . . . . . . . . . . . . . . .. 11/0"
.....
6"
DIAMOND CORNER UNIT (OPTIONAl)
Approximate Dimensions......... 6"xI6"xl2"*
Appmxinurte Weight ............... 05/bs. **
6"
*Oimensions moy wry by +/-1/16" (+j-1Smm)
**Weight may vary slightly by region. Specificotions moy vary Of clumge without nolice.
DIAMOND STRAIGHT UNIT
Approximate Dimensions....... 6"x17.25"xI2"*
Approximate Weight ............... nibs. **
Covemge ....................... .72sq ft.
Set Bock . . . . .. . . . . . . . . . . . . . . . . .. 11/0"
6"
COLORS
Monufucturers sIondord c%I5 include, but Ofe not
tunited to, gmy ond tmJ. Add'l1ionol colol5 vary by region.
Custom colol5 ore ownoble by speeo/ order on~.
2
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ANGIOR WAU.. II ~.J.:MS
Anchor Diamond@
SECTION 02276: RETAINING WALL SPECIFICATION
PART 2 PRODUCTS
2.01 MATERIALS
A. Concrete Retaining Wall Unit: "Anchor Diamond
Retaining Wall Units" as manufactured under license from
Anchor Wall Systems.
1. Concrete wall units shall meet requirements of ASTM
C90-96, Sections 4, 5, 6 and 7, except compressive
strength shall be a minimum of 3,000 psi and the
maximum water absorption shall be limited to 7.0
percent and unit height dimensions shall not vary more
than +/- 1/16 inch from that specified.
2. Concrete wall units are required to have a minimum of
app.vximately 0.67 square foot face area.
3. Color as selected by Architect from manufacturer's
standard selections.
4. Face Pattern Geometry: Beveled or Slraight;
Texture: Smooth or Split Rock Face.
The concrete units shall include an integral concrete
t shear connection flange along the lower rear edge.
B. Geosynthetic reinforcement: Polyester fiber
geogrid, or polypropylene woven geotextile for use as soil
reinforcement.
C. Base: Material shall consist of drainage aggregate, sand
and gravel and/or concrete as shown on the construction
drawings. A minimum of 6 inches of compacted base is
required.
p.
n_:_--~.p..4lIt6. Fill eetwooR units shall Gansi!;t of
~'1----c- -,e,.t:)&-.e- .
--free-draining;<:oarse-aggreg~r<lance-witJt.AS:f,M- 3,04
448;86;...Standard Classification-forSizes-ofAggre5a:l.':' lor
,Road.and,Bridge Construction,designation-5r,-6i', C, 7-or 8.
~~-iLL--";;~ VCre~'Nc.-:c .
ill: lfatecials are suim ...,.>:;t'e-S6ih. ..~.. ...",."mre
",u.l~les-oompaction-to...the.specifiec:L
G.:.&..;~;':'.:..:>. Unsuitab1e-soils-are1h~ils-with-the-l:JSGS'
GlaBsifieatton-symbol-of-C-H,eH;-MH,.ob;--PT.--eL-soils-
..wJ1Jll'l Plasticity.lndex-(PJ}..greater -than -25 are-also
-considered-unsuitable soils.
E.
Drain tile: The drainage collection pipe shall be a p.:..fv.a:ted
or slotted PVC or corrugated HDPE pipe.
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3.01
A.
EXECUTION
EXAMINATION
The contractor shall examine the areas and conditions
under which the retaining wall is to be erected and notify
the Architect or Ovil Engineer in writing of conditions
detrimental to the proper and timely completion of the
work. Do not proceed with the work until unsatisfactory
conditions have been corrected. The contractor shall
promptly notify the wall design engineer of any site
conditions which may affect wall performance or may
require a reevaluation of the wall design.
3.02
A.
EXCAVATION
The Contractor shall excavate to the lines and grades
shown on the construction drawings. Over-excavation not
"'-t't"""ed by the owner or duly appointed owner's l.:.p&Csenta-
tive shall not be paid for and replacement with compacted
fill and/or wall system components will be required at the
Contractor's expense. The Contractor shall be careful not
to disturb base beyond the lines shown. The Contractor
shall be responsible for the stability of the excavation and
it's influence on adjacent properties and structures.
3.03
A.
FOUNDATION PREPARATION
Foundation soil shall be excavated as required for footing
or base dimension shown on the construction drawings, or
as directed by the Engineer.
Foundation soil shall be examined by the project
geotechnlcal engineer to ensure that the actual foundation
soil strength meets or exceeds that specified on the
construction drawings_ Soil not meeting the required
strength shall be removed, sufficiently oversized from the
front of the block and the back of the reinforcement and
backfilled with suitable material. Over-excavated areas
shall be filled with suitable compacted backfill.
B.
BASE COURSE PREPARATION
A. Base materials shall be placed as &heWB en the
l'.nndn,rtion drawings with a minimum thickness of 6
inches.
B. Base materials shall be installed upon undisturbed
soils, or foundation soils prepared in accordance with
Section 3.03
C. Material shall be compacted so as to provide a level,
hard surface on which to place the first course of units.
D. Base materials shall be prepared to ensure complete
contact of retaining wall unit Gaps shall not be
allowed.
~halI-OO-te-the4eptbs-and-widths-sliewn
on the plans. The ~r may opt for usiBg
leduced-depth-of-sand-and-graveHind-replacement-with
a 1" to ':..concrete..t"~I':'.g.-Concrete-Sha1l-be..JeaD;-
lJBreinfQJ.'eed-anc:l-a-nuuamwn-of-tw&in€hes,-thi~.
-Wbere-a....einforced..footing-is-required;pIace-belowihe
1\ Ui), Illit:.
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Anchor Diamond@
ANCHORWALLSYSIEMS
g.~
SECTION 02276: RETAINING WALL SPECIFICATION
05
\.
B.
ERECTION
Erect units as specified herein.
First course of concrete wall units shall be placed on the
prepared base material. Units shall be checked for level
and alignment. The top of all units in base course shall be
at the same elevation.
Ensure that concrete wall units are in full contact with
base.
Concrete wall units shall be placed side by side for full
length of wall alignment. Alignment may be done by using
a string line or offset of wall line.
Fill all voids between and within concrete wall units with
nrninqg(' aw~gate. c L~, GrL~ ~A/L /Z I#.. L
."~ minimlim af 12 inches of drainage aggregate shill ~~
plaeed behind the ';'u.-.,;.&,;.~,;.-wal:l-1JDits:.
Draintile shall be installed at the lowest elevation possible -
to maintain gravity flow of water to outside of the rein-
'orced zone. The drainage collection pipe shall be day-
lighted to an app,up,~ate location away from the wall sys'"
tern at each low point 6f 2 aO feat intervals aleftg the ..all.
Remove all excess fill from top of units and install next
course. Ensure drainage aggregate and backfill are com-
pacted before installation of next course. .
Install each succeeding course. BackfIll as each course is
completed. Pull the units forward until the locating surface
of the unit contacts the locating surface of the units in the
preceding course. Pull the units forward as far as poSSIble.
Install geosynthetic reinforcement in accordance with
geosynthetic manufacturer's recommendations and the
design drawings.
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BACKFILL PLACEMENT
Reinforced backfill shall be placed, spread and compacted
in a manner that will minimize slack in the reinforcement.
Fill in the reinforced zone shall be placed and compacted in
lifts not to exceed 6 to 8 inches in loose thickness where
hand operated compaction equipment is used and not
exceeding 12 inches loose thickness where heavy, self-pro-
pelled compaction equipment is used.
All fill placed in the reinforced zone must be compacted to
a minimum of 95 per<:ent of the soil's standard Proctor
density (ASTM D 698-91) or as recommended by the pro-
'ect geotechnical engineer.
JnIy lightweight hand-vt'.......ted equipment shall be
allowed within 4 feet of the back of the retaining wall
units, or one-half of the wall height, whichever is greater.
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3.09
3.10
3.07
CAP UNIT INSTALLATION (If Applicable)
A. Apply construction adhesive to the top surface of the
unit below and place the cap unit into desired position.
B. Cap units may need to be cut to obtain the proper fit.
e. BackfIll and compact to finish grade.
3.08
ADJUSTING AND CLEANING
A. Damaged units should be replaced with new units
during construction.
B. Contractor shall remove debris caused by this
construction and leave adjacent paved areas
broom clean.
ALITY CONTROL
e wall installation contractor is responsible for
q ity control of installation of all materials. The
con tor should enlist the assistance of a qualified
indepen t third party to verify the correct installation
of all mate' s according to these specifications 8;. - '\~
the constructio drawings. :,- ~..)
B. The Owner, at hi wn expense, should retain a
qualified profession 0 perform random quality
assurance checks of the ntractor's work
C. Work found to be deficient ccording to these
specifications or the construc n drawings must be
corrected at the contractor's expe e.
D. The retaining wall will not be consi red complete
until accepted by the engineer or duly ointed
owner's ,.:.p...sentative.
SUREMENT AND PAYMENT
urement of segmental retaining wall shall be on
an ed square foot basis computed on the total
face area: f wall installed. Wall face area is taken
from the bo m of the base course to the top of the
wall.
B. Payment for the w
basis at the contract price.
I. Payment should be c idered full compensation
for all labor, materials, uipment and testing
required to install the wall accordance with
these specifications and the co truction drawings.
2. Quantities may vaxy from that sh on the
construction drawings depending on isting
topography. Change to the total quanti f~}
face area will be paid or withheld at the con~
unit bid price.