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HomeMy WebLinkAboutPre-Building Permit Addendum 3-19-20 2431 SE Dixie Highway
Stuart, FL 34996
MATHERS ENGINEERING Phone: (772)287-0525
CORPORATION EB#004456
* PRE-BUILDING PERMIT ADDENDUM
a
Date: March 03, 2020 D
MAR"t,j 2029
To: St. Lucie County Building Department
rm�ti :.
2300 Virginia Avenue "g °
g St;Lude Count.
Fort Pierce, FL 34982
Referenced Project: Concrete Restoration for Exterior Balconies
(decks, beams & columns)
For Unit Numbers for Stack 1 (101,201,301,401, 501,601 and 701)
Unit Numbers for Stack 2 (102,202,302, 402, 502, 602 and 702)
Unit Numbers for Stack 3 (103,203,303, 403, 503, 603 and 703)
for Oceanrise Condominium
Located at 10310 S. Ocean Drive,Jensen Beach,FL 34957
Contractor: DMF Construction
312 S. Old Dixie Hwy.
Jupiter,FL 33458
Background:
The removal and restoration of deteriorated concrete and steel within beams, columns, decks and
adjacent walls will comply with the IRCI Guideline No. 03730 (a copy of which is attached hereto)
or as modified by Engineer as work progresses.
The anticipated work involves the initial demolition, and then the removal, replacement and
restoration of concrete and reinforcement as required. The degree of restoration is currently
unknown,until such time as the initial demolition has begun.
The anticipated sequence of repairs is as follows:
• Shoring required for repairs of all columns,beams and decks (if required by engineer)
• Removal and restoration of concrete and reinforcement steel within beams, columns and
decks. (ICRI Guideline No. 03 73 0)
• Minor chipping and patching of areas not requiring full depth repairs.
• Applied deck coating.
The following materials are approved for anticipated use in this restoration(see attached
manufacturers specifications):
• Sikacrete 211 Concrete Mix.
• SikaQuick 1000.
• Sika Armatec 110 EpoCem bonding agent and rebar coating.
• Sika FerroGard 903.
• Sikagard 701W. FILE COPY
• SikaTop 123 PLUS.
• TREMCO Vulkem® 350NF
1
2431 SE Dixie Highway
OWN Stuart, FL 34996
Phone: (772)287-0525
MATHERS ENGINEERING EB#004456
CORPORATION
See enclosed plan showing location of restoration.
The above sequence is general in nature and will be modified as restoration work progresses.
Observations of the initial demolition will determine any required modifications to the above
procedures and materials selected for the final restoration process.
Based on initial visual observations, repairs will not require shoring;however, in the event the
demolition work reveals that shoring will be required,the engineer will instruct the contractor to
shore the area as well as the number of levels required. The instructions given to the contractor will
be submitted to the Building Department with the final close-out documents.
We have been authorized by the Association to work with the contractor during the restoration and,
will inspect work partially completed as well as observe results of the new demolition prior to field
authorizing the repairs to be completed.
The proposed concrete restoration work, except as authorized by the engineer's modified
instructions,will comply with specifications outlined in the IRCI Guideline No. 03730, as well as
the applicable minimum building codes and the applicable fire safety standards as determined by
the local authority in accordance with Chapter 553 and Chapter 633 of the Florida Statutes where
applicable to concrete restoration.
Approved, \\\0\\11 1 M/o//
PE 19658 ';N
/,(7_0dA*E
,OF ,'
William J. Mathers, PLi1��`s•- O R-- , 0 N .
Florida License#19658 ///;/9/ONALE���\�
Special Inspector FL License �/II Ill�k�►
2
Product Data Sheet
I Edition 7.14.2014
Sikacrete®211
Sikacrete° 211 '
One-component, cementitious,
pumpable and pourable concrete mix
M fl Description Sikacrete®211 is a 1-component, portland-cement concrete containing factory blended
coarse aggregate.
Where to Use ■ Full depth repairs.
�Q � � ■ On grade,above, and below grade on concrete.
u p�1 " t ■ On horizontal,vertical and overhead surfaces.
� �r �� � ■ As a structural repair material for parking facilities, industrial plants,walkways, bridges,
tunnels,dams and balconies.
��� °' I � y, '� ■ Filler for voids and cavities.
Advantages ■ Pre-packaged coarse aggregate: Eliminates need to extend material in the field; Elimi-
Tv
s" nates the risk of reactive aggregate.
■ High bond strength.
■ Compatible with coefficient of thermal expansion of concrete.
■ Increased resistance to deicing salts.
■ Simple-to-use labor-saving system.
3h j � ■ Easily mixed.
■ Good freeze/thaw resistance.
Q` h ■ Easily applied to clean,sound substrate.
■ Not a vapor barrier.
■ Not flammable _
Coverage Approximately 0.65 ft.3/unit
Packaging 80 lb.multi-wall bag.
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eha :a S.F �.�,�T z�iA,`. ' aL.w ,��' ss , P 'r
xRESULTSINAY�DIFFER ASEDUPONSj, jSI1 Lt ARfA110NSDEPENDIN UPONMIxINGMETHODSANDEQUIPMENTf
� ' �s�� CEMFERArTUREs`APP"ICALIONME[HOD iTSIAl�1�T0AC UAL'S17ECONDITION5ANDCURINGCOND171ONS
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Apphcao��Time� fn�tal5�fut7tp5 ,Sl�mbaf30 m #
i� exuralSt�r�erigth(AS�7M C�78) 28ydays 7D0 psi(5 O�MI'a)
.'�� �« 1.;;�t�.P w'�"Z'R� �� ;���;a��*&�rs� ` ��rS�3} f s p i .�
�y' �+ '�� O,Splttl>�gTensIle �ieng '(ASlMzC`-496)6�"28 days r50 psi(3 4 MPa)
'Nl1t��,�. r.x+. Y '�'Y•MM"M k�' ,.a:j �'�+sj .y.n s,. a .•?..:
., �p. and Strop th* BAST C 882 t►t�odlfietl:'t 26 da s 1 500 sl 15�2 MPa
»{�r �w-idrw�.c �r .prate
< �:• �o esslve"St ejg th KASTIVFC
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r��,lf E ,€i�i�a� � ,.d„a. tx'IA,���r c�; �,X�.Sxau�^1✓.y<E.. r<,,,; .� ��. k,y� r r ..i��.;;,':'.
��,�;,< a. orfar..§crubbedJntcsubstrate..
..:::.....
INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA
,l ® SHEET WHICH ARE AVAILABLE ONLINE AT HTTP:I/USA.SIKA.COM/OR BY CALLING SIKA'S TECHNICAL SERVICE DE
a, R.i1 PARTMENTAT 800.933.7452 NOTHING CONTAINED IN ANY SIKA MATERIALS RELIEVES THE USER OF THE OBLIGATION
O READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCT AS SET FORTH IN THE CUR-
RENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE.
How to Use
x � a Substrate Concrete, mortar,and masonry products.
Surface Preparation Concrete:Remove all deteriorated concrete,dirt,oil,grease,and all bond-inhibiting materials
7 "s` from surface.Be sure repair area is not less than 1 in.in depth. Preparation work should be
done by high pressure water blast,scabbler,or other appropriate mechanical means to obtain
an exposed aggregate surface with a minimum surface profile of±1/8 in. (CSP-7). Saturate
I n surface with clean water.Substrate should be saturated surface dry(SSD)with no standing
IFS I water during application.
` El ` a Reinforcing Steel:Steel reinforcement should be thoroughly prepared by mechanical cleaning
to remove all traces of rust.Where corrosion has occurred due to the presence of chlorides,the
steel should be high-pressure washed with clean water after mechanical Cleaning.For priming of
reinforcing steel use Sika®Armatec®110 EpoCem(consult Technical Data Sheet).
Priming For priming of reinforcing steel use SikaOArmate&110 EpoCem(consult Technical Data Sheet).
rn�aw Mixing Place 4/5 of 1 gallon water in mixing container.Add Sikacrete®211 while continuing to mix.
Add additional water up to 1 gallon total. Mix to a uniform consistency, maximum 3 minutes.
Mechanically mixwith a low-speed drill(400-600 rpm)and paddle or in appropriate size mortar
�YG mixer or concrete mixer.
�r Application Form and pour or pump applications:Pre-wet surface to SSD. Ensure good intimate con-
tact with the substrate is achieved.To accomplish this,material should be scrubbed into the
I 'r� tr substrate or other suitable means should be employed such as vibration of the material or
pumping under pressure.Vibrate form while pouring or pumping. Pump with a variable pres-
sure pump. Continue pumping until a 3 to 5 psi increase in normal line pressure is evident
>ry then STOP pumping.Form should not deflect.Ventto be capped when steady flow is evident,
and forms stripped when appropriate.
Z- Tooling&finishing As per ACl recommendations for portland cement concrete, curing is required. Moist cure
�1. with wet burlap and polyethylene, a fine mist of water or a water based*compatible curing
compound. Curing compounds adversely affect the adhesion of following layers of mortar,
s leveling mortar or protective coatings.Moist curing should commence immediately after fin-
k"{+� ishing. Protect newly applied material from direct sunlight,wind, rain and frost.
*Pretesting of curing compound is recommended.
r�r afi t,�n w,Wp€zr..a�7a
Limitations ■ Application thickness: Minimum 1 in. (25 mm); Maximum 8 in. (200 mm)
■ Minimum ambient and surface temperatures 45°F(7°C)and rising at time of application.
■ Using SikaLatex®, SikaLatex®R or similar products will result in loss of slump and slump
retention. Field tests for suitability are strongly recommended.
� 14
i���S����ry J k'k t''3'�, �e •
6
3 a �
's€ •".R,
a !Iul PRIOR TO EACH USE OF ANY SIKA PRODUCT,THE USER MUST ALWAYS READ AND FOLLOW THE WARNINGS ANL3
+ INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA
a N SHEET WHICH ARE AVAILABLE ONLINE AT HTTP://USA.SIKA.COM/OR BY CALLING SIKA'S TECHNICAL SERVICE DE
PARTMENTAT 800.933.7462 NOTHING CONTAINED IN ANY SIKA MATERIALS RELIEVES THE USER OF THE OBLIGATION
O READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCTAS SET FORTH IN THE CUR
i� RENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE.
KEEP CONTAINERTIGHTLY CLOSED.KEEP OUTOF REACH OFCHILDREN.NOT FOR INTERNALCONSUMPTION.FOR INDUSTRIAL USE ONLY.FORPROFESSIONAL USEONLY.
Kx For further Information and advice regarding transportation,handling,storage and disposal of chemical products,users should refer to the
9 9 P 9. 9 P
actual Safety Data Sheets containing physical,ecological,toxicological and othersafety related data.Read the current actual Safety Data Sheet
before using the product.In case of emergency,call CHEMTREC at 1-800-424.9300,International 703-527-3887.
� ,�'� ,� Prior to each use of any Sika product,the user must always read and follow the warnings and Instructions on the product's most current Product
i•rs�' 1 - Data Sheet,product label and Safety Data Sheet which are available online at httpJ/usa.sika.com/or by calling Slka's Technical Service Depart-
ment at 800-933-7452.Nothing contained In any Slka materials relieves the user of the obligation to read and follow the warnings and instruction
for each Slka product as set forth in the current Product Data Sheet,product label and Safety Data Sheet prior to
rI�� 4 product use.
u�€.� SIKA warrants this product for one yearfrom date of Installation to be free from manufacturing defects and to meet the technical properties on
the current Product Data Sheet[fused as directed within shelf life.User determines suitability of product for Intended use and assumes all risks.� Buyer's sole remedy shall be limited to the purchase price or replacement of product exclusive of labor or cost of labor.NO OTHER WARRANTIES
r
EXPRESS OR IMPLIED SHALL APPLY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FORA PARTICULAR PURPOSE.SIKA
SHALL NOT BE LIABLE UNDER ANY LEGAL THEORY FOR SPECIAL OR CONSEQUENTIAL DAMAGES.SIKA SHALL NOT BE RESPONSIBLE FOR
THE USE OFTHIS PRODUCT IN A MANNERTO INFRINGE ON ANY PATENT ORANY OTHER INTELLECTUAL PROPERTYRIGHTS HELD BYOTHERS.
SALE OF SIKA PRODUCTS ARE SUBJECT SIKA'S TERMS AND CONDITIONS OF SALE AVAILABLE AT HTTP:iIUSA.SIKA.COM/OR BY
�is CALLING201-933-8800.
Visit our website at usasika,com 1-800-933SIKA NATIONWIDE
- Regional Information and Sales Centers.For the location of your nearest Sika sales office,contact your regional center.
® Sika Corporation Sika Canada Inc. Sika Mexicana S.A.de C.V.
1s f 201 Polito Avenue 601 Delmar Avenue Carretera Libre Celaya Km.8.5—ar
� I f. Lyndhurst,NJ 07071 Pointe Claire Fracc.Industrial Balvanera 9
Phone:800-933-7452 Quebec H9R 4A9 Corregidora,Queretaro RKDOMSI0.LEU0.E `OEEEI
Fax:201-933-6225 Phone:514-697-2610 C.P.76920 `b_
s�`>�r# �t,a �s� „� � Fax:514-694-2792 Phone:52 442 2385800
Fax:52 442 2250537 Sika and Sikacrete n registered
i
trademarks.Printed n Canada.
Product Data Sheet
Edition 2.18.2015
SikaQuickv 1000
SikaQuick® 1 000
Rapid hardening repair mortar with extended working time
Description SikaQuide 1000 is a 1-domponent,rapid hardening,early strength gaining,cementitious,patching material
for concrete.
Where to Use ■ Use on grade,above,and below grade on concrete.
■ Highway overlays and repairs.
■ Structural repair material for concrete roadways,parking structures,bridges,dams and ramps.
■ Full depth patching repairs.
+ ■ Economical patching material for horizontal repairs of concrete and mortar.
Advantages ■ Specially suited for hot weather applications when extended working time is required.
■ Rapid hardening as defined by ASTM C-928.
■ Epoxy coatings can be applied as early as 6 hrs.On site testing is recommended for verification.Please
consult coatings manufacturer for recommendations.
■ Freezelthaw resistant
■ Easy to use,laborsaving material.
■ Not gypsum-based.
■ High early strength.
■ Open to foot traffic in 4 hours;to vehicle traffic in 6 hours(at 73°F).
■ Easily applied to clean,sound substrate.
■ Not-a vapor barrier.
4,
Ty. .P1C91�ftbt.,fMateddand curing conditions Q_73'Ft23'CI and 5OXRH 1•tWater/powder=0.101
RESULTS)4G4YD1 FER:BASED'UPONSTATISTICAL:VARLIT.IONSDEPENDINGUP.ON'1NIXB'rG-RiETHODSANDEQUIPMENT.
TEMPERAiff,/IPALICATION-METHODS,.TESTMETHODS,:ACTUAL:srrECONDR1oN5'AND�CURIWCONDrin&s.
} ShelfLtfe 1 year in original,.unopened,bag.
t Storage)Conditions Store dry at 40'-9VF(4°-35'C).For best results,condition material to
6.5"75'F before.using.
Color .Concrete gray.
V' + Mlxrng Ratio Approximately 4.5-5 pints of liquid per 50:lb.bag.
t Applica'ttdn=Life Approximately 30.minutes.after adding powder to the-water.
+
Comprom-WeStrength„psi Mortar-AST.M.C-109
3 hours 1,250:psi(8 6.MPa.)
1 day 4,000 psi(27.6 MPa)
7 days 5,000 psi.(34.5 MPa)
.28 days 7,000 psi(48:2.MPa)
Flexura'Strength,psi(ASTM C 78)
1 day 700 psi(48 MPa)
7 days 900 psi(6.2 MPa)
28"days 1,000psi(6:9.MPa)
t SplittingTanaileStrength,psi(ASTM 0 496)
1 day 300 psi(2;0 MPa):
7days 4.00..psi(2.7 MPa)
28 days 500 psi(3..4 MPa)
Bond�Str'ength,.psi(ASTM 0.882)modified.
1 day 1.7.50.psi.(12;D MPa)
7 days 20.00.psi:(13'8 MPa)
28 days 2500 psi(17.2.MPa)
DirectTansili i.Bond,psi.(ACI.:503). 28:days 300 psi(substrate failure)
a- Drying=Shfinitage,%.(ASTM.C-596) 29days 0.06
Modulus 1AFIasticity,psi-(ASTM C-i69) 28 days 4.6x106
Chloridai LWneability Coulombs.(ASTM C 1202) 28 days <1000
Freezel`I'H*W,Resistance,%(ASTM.C-666). 28 days 98%
Scaling Rltsistance;lb.lft2(ASTM C-672) 30 cycles 0.080
InitialSretr,A inutes,(ASTM'C-266) 4"0
Final.Sot,,ilinutes•(ASTM C=266) 60-120
Abrasiorrftsistance,Inches of Wear.at 1 hr.(ASTM C 779) 28.days 0:026
Independent oaMficates avallable.upon request.
' ® PRIOR TO EACH USE OF r
INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA
SHEET WHICH ARE AVAILABLE ONLINE AT HTTP.11USA.SIKA.COM/OR BY CALLING SIKA'S TECHNICAL SERVICE DE
PARTMENTAT$00.933.7452 NOTHING CONTAINED INANYSIKA MATERIALS RELIEVES THE USER OF THE OBLIGATION
O READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCT AS SET FORTH IN THE CUR
RENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE. A120
R Coverage Approximately CA2 cu.fL When extended.with 25 lbs..of 318 in.gravel yield is approximately 0.58 cu.ft
{ Packaging 50 lb.mufti-wall bag.
How to Use
Surface Preparation Surface must be clean and sound.Remove all deteriorated concrete,dirt,oil,grease,and other bond4nhibiting materials from
<< the area to be repaired.Be sure repair area is not less than 1/4 in.deep.Preparation work should be done by appropriate
means.Obtain an exposed aggregate surface with a minimum surface profile oft 118 in.(CSP-6)on dean,sound concrete.
}` To ensure optimum repair results,the effectiveness of decontamination and preparation should be assessed by a pull-off test
Saw cutting of edges.is.prefened and a dovetail is recommended.Saturate surface.to.be repaired with cleanwater.Substrate
should be saturated surface dry(SSD)prior to application.
Priming .For priming of reinforcing steel use Sika Armatec°110 EpoCem(consult Technical Data Sheet).Concrete Substrate:Prime
the prepared substrate with a scrub coat of SikaQuidc®1 DDD prior to placement of the mortar.The repair mortar has to be
applied into the wet scrub coat before it dries.
° Mixing Mechanically mix in an appropriately sized mortar mixer.Wet down all tools and mixer to be used.
* s With water.Start with 4.5 pints of water added to the mixing vessel.Add 1 bag of SikaQuicke 1000 while continuing to mix.
r Add up to another V2 pint of water to achieve desired consistency.Do not over-water. `
With Latex R Pour 4.5 pints of Sikal_atexm R into the mixing container.Slowly add powder,mix and adjust as above.
With diluted Latex R:SikaLatex°R may be diluted up to 5:1 (water.SikaLate)®R)for projects requiring minimal polymer
modification.Pour 4.5 pints of the mixture into the mixing container.Slowly add powder,mix and adjust as above.For applica-
tions greater than 1 in.in depth,add 318 in,coarse aggregate.The aggregate must be non-reactive(reference ASTM C-1260,
C-227 and C-289),dean,well graded,saturated surface dry,have low absorption and high density,and comply with ASTM
C-33 size number 8 per Table 2.
Note:Variances in aggregate may result in different strengths.The addition rate is 25 ibs,of aggregate per bag of SikaQuick"1000.
(25lbs,of 318 in aggregate is approximately 20 gallons by loose volume of aggregate)..Do rot exceed a slump of 7 in.This may
rt "+ cause excessive bleeding and retardation and will reduce the strength and performance of the material.
Application The prepared mortar must be scrubbed into substrate.Be sure to fill all pores and voids.Force material against edge of repair,
working toward center.Afterfilling repair,screed off excess.Allow concrete to set to desired stiffness,then finish.If a smoother
finish is desired,a magnesium float should be used.Miring,placing,and finishing should not exceed 30 minutes maximum.
To control setting times,cold water should be used in hot weather and hot water used in cold weather.
I ,
Tooling&Finishing As perACI recommendations for Portland cement concrete,curing is required.Moist cure with wet burlap and polyethylene,a
' fine mist of water or a wring compound meeting ASTM C3W.Moist cure should commence immediately after finishing.If
necessary,protect newly applied material from rain.To prevent from freezing,cover with insulating material.
a Limitations ■ Minimum ambient and surface temperatures 45°F and rising.
■ Minimum application thickness 1/4 in.as a mortar and 1 in.extended with aggregate.
- ■ Maximum application thickness 1 in,as a mortar and 6 in.extended with aggregate.
4i 1 u ■ Do not feather edge.
+ s ■ Do not exceed 7 in.slump when extended.
h ■ Use only potable water.
i ■ Variations in aggregates may produce differences in strengths from the typical values stated in Ska's Technical Data.
■ Aswith all cement based materials,avoid coritactwith aluminum to preventadverse chemical reaction and possible
1 t� product failure.Insulate potential areas of contact by coating aluminum bars,rails,posts etc.with an appropriate epoxy
i �x.a,'•,' , r such as SikadurO Hi-Mod 32.
f ,•: '',;;;,,� ■ Do not use Sika®Annateco 110 EpaCem as a bonding agent with SikaQuick°1000.
RJOK 10 EACH USI:Ell-ANY 151KA PRODUCT,THE USEK MUS I ALWAYS READ AND FOLLOW I HE WAKNINC38 ANU
NSTRUCTIONS ON THE PRODUCTS MOST CURRENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA
f HEET WHICH ARE AVAILABLE ONLINE AT HTTP:/tUSA.SIKA.COMt OR BY CALLING SIKA'S TECHNICAL SERVICE DE
4« rg + PARTMENTAT800.933.7452NOTHINGCONTAINEDINANYSIKAMATERIALSRELIEVESTHEUSEROFTHEOBLIGATION
O READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCT AS SET FORTH IN THE CUR
.'h RENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE.
KEEP CONTAINER TIGHTLY CLOSED.KEEP OUT DFREACH OF CHILDREN.NOTFOR INITERNALCONSUNIPTION.FOR INDUSTRIAL USE ONLY.FOR PROFESSIONALUSE ONLY.
' For further Information and advice regarding transportation,handling,storage and d"
ell g Aorta g, g mposal of chemical products,users should rater to the
actual Safety Data Sheets containing physical,ecological,toxicological and other safety related data.Read the current actual Safety Data Sheet
before using the product in case of emergency,call CHEMTREC at 1.40D-424.9300,International 703-627-3887.
Priorto each.useof any-Skaproduc4tbeuser must always read amlfollowthewarnings and Instructions.on the produces most current Product
j' Data Sheet,product label and Safety Data Sheet which are available online at http:11Usa sikacoml or by calling Slke's Technical Service Depart-
ment at 8 0 0 4 13 3-74S2.NothingcontainedInanySikamaterialsrelievestheuseroftheobligationtoreadandfollowthewarningsandInslruction
for each Sika product as set forth In the current Product Data Shed,product label and Safety Data Sheet prior to
product use.
! SIKA warrants this product for one year from date of Installation to be free from manufacturing defects and to meet the technical properties on
the current Product Data Shed IT used as directed within shelf life.User determines suitabllityef productfor Intended useand assumes all risks.
Buyer's sole remedyahell be limited to the purchase price or replaceaentof product exclusive of labor orcod of labor.NO OTHER WARRANTIES
�. "n .-• EXPRESS OR IMPLIED SHALL APPLY INCLUDINGANYWARRANTYOF MERCHANTABILITY OR FITNESS FORA PARTICULAR PURPOSE.SIKA
SHALL NOT BE LIABLE UN13ERANYLEGAL THEORY FOR SPECIAL OR CONSEQUENTIAL DAMAGES.SIKA SHALL NOT BE RESPONSIBLE FOR
THE USEOFTHIS PROD=—INA.MANNERTO INFRINGE ONANYPATENTORANYOTHER:uJTErFCTUALPROPERTY RIG HTS HELD BYOTHERS..
SALE OF SIKA PRODUCTS ARE SUBJECT SIKA'S TERMS AND CONDITIONS OF SALE AVAILABLE AT HTT1P:/1USA.SIK:A.COW OR BY
' CALLING 26-933-11800.
Visit our website at usasikacom 1-800-933SIKA NATIONWIDE
Regional Information and Sales Centers.For the location of your nearest Sika sales office,contact your regional center.
R Sika Corporation Sika Canada Inc. Sika Mexicana SA de C.V. pe_
201 Polito Avenue 601 Delmar Avenue Carretera Libre Celaya Km.8.5 �`�� v( r
Lyndhurst,NJ 07071 Pointe Claire Fracc.Industrial Balvanem
Phone:800-933-7452 Quebec H9R4A9 Corregidora,Queretaro ' aEzro,srecEcuE eoY
Fax:201-933-WZ Phone:514-697 261 D C.P.76920 .-••_ z;
Fax:514-694-2722 Phone:52 4422385800
Fax:524422250537 SrintedIn laada. reregistriedtrademad�
Printed in Canada
Product Data Sheet
` F Edition 1.26.2017
Sika®Armatee 110 EpoCem
" < A"
Sika° Armatec° 110E o.gemA
Bonding Agent and Reinforcement Protection
Description Sika®Armatec®110 EpoCem is a 3-component,solvent-free,moisture-tolerant,epoxy-modified,cementitious
a product specifically formulated as a bonding agent and anti-corrosion coating.
r
Where to Use ■ As an anti-corrosion coating for reinforcing steel in concrete restoration.
■ As added protection to reinforcing steel in areas of thin concrete cover.
■ As a bonding agent for repairs to concrete and steel.
t ■ As a bonding agent for placing fresh,plastic concrete to existing hardened concrete.
Advantages ■ Excellent adhesion to concrete and steel.
■ Acts as an effective barrier against penetration of water and chlorides.
■ long open time-up to 16 hours.
" t ■ Not a vapor barrier.
E3 ye_s�
In Can be used exterior on-grade.
In Contains corrosion inhibitors.
■ Excellent bonding bridge for cement or epoxy based repair mortars.
■ High strength,unaffected by moisture when cured.
■ Spray,brush or roller application.
■ Non-flammable,solvent free.
Coverage Bonding agent:minimum(theoretical)on smooth,even substrate 80 ft.z/gal.'(=20 mils thickness).Coverage
r' will vary depending on substrate profile and porosity.
Reinforcement Protection:40 ft 2/gal.(=20 mils thickness)(2 coat application).
Packaging 3.5 gal.unit.(47.6 fl.oz.Comp.A+122.1 fl.oz.Comp.B+46.82 lb.Comp.C)Comp.A+B in carton,
( afs Comp.C in multi-wall bag.
'"q 4yP3>i fkrss'
1.65 gal.unit.(22.7 fl.oz.A+57.6 fl,oz.B +4 bags @ 5.5 lb.)Factory-proportioned units in a pail.
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PRIOR TO EACH USE OF.ANY SIKA'PR6DUCT,THE'USER MUST ALWAYS READ AND FOLL S AND
INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA
SHEET WHICH ARE AVAILABLE ONLINE AT HTTP:/IUSA.SIKA.COM/OR BY CALLING SIKA'S TECHNICAL SERVICE DE
- PARTMENTAT 800.933.7462 NOTHING CONTAINED IN ANY SIKA MATERIALS RELIEVES THE USER OF THE OBLIGATION
TO READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCT AS SET FORTH IN THE CUR
" r�� ;M. fit` RENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE.
>,
,. •. ;> �'lm artant':Data fo?Sika°Ar[natecP 110�as a Ba tlln lA ent,ayyjs".,,,'�s;,:z;;:.y�i ,;;>,a;';
.�+°, ,r x s� en �t� err roil "ux= .z
'M StrenA ASTM C882 r; 4 tlaysrtXalst cure;plastic concrete to pggenetl Concrete
R a �`z5X✓ 3 �"�'"' £ Y <..tF, .z�,'ali'�'` AMR �-z Y Nz r z
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,�'+.-k: a :'#s ,' r »Mr �. £ r,,N;a,F,
Y 24hr LSpen Time �2 001
r.4'•"t•r'"�,Y _ >f'L i' .f"^�# z z9T3Rg7' wa' ,s .+ �.h s ✓.
0� Bond�d5teelReliforcementtoConaree({ptiliaufes)
6 W G �SiKa�ATmalec11 b Coated �Ei25`psl (4 3
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How to Use
Surface Preparation Cementitious substrates:Should be cleaned and prepared to achieve a laitance and contaminant-free surface
prepared in accordance with the requirements specified by the overlay or repair material by blast cleaning or
equivalent mechanical means.Substrate must be saturated surface dry(SSD)With no standing water.
Steel:Should be fully exposed and have all corrosion removed by blast cleaning or other means of mechanical
aid^ ns abrasion
4 v
; L Mixing Shake contents of both Component'A and Component'B'.Empty entire contents of both Component'A'and
Component'B'into a clean,dry mixing pail.Mix thoroughly for 30 seconds with a Sika paddle on a low speed
(400-600 rpm)drill.Slowly add the entire contents of Component'C'while continuing to mix for 3 minutes until
�s a blend is uniform and free of lumps.Mix only that quantity that can be applied within its pot life.
Application As a bonding agent-Apply by stiff-bristle brush or broom.Spray apply with Goldblatt Pattern Pistol or equal
�A equipment.For best results,work the bonding slurry well into the substrate to ensure complete coverage of all
surface irregularities.Apply the freshly mixed patching mortar or concrete wet on wet, or up to the maximum
3° recommended open time,onto the bonding slurry.
Maximum recommended open time between application ofArmate&110 and patching mortar or concrete:
80'-95'F(26'-35°C) 6 hours
65'-79°F(18'-26°C) 12 hours
tieb s 5&-64°F(10°-17°C) 16 hours
ytR r 40°49T(4°-9°C) wet-on-wet
For corrosion protection only-Apply by stiff-bristle brush or spray at 80 ft 2/gal.(20 mils).Take special care
ti to properly coat the underside of the totally exposed steel.Allow coating to dry 2-3 hours at 73°F,then apply
a second coat at the same coverage.Allow to dry again before the repair mortar or concrete is applied.Pour
' k or place repair Within 7 days.
aLimitations ■ Substrate and ambient temperature: Minimum 40°F(5'C).
¢rFs ■ Maximum 95°F(35°C).
4 `�K ■ Minimum thickness:As a bonding agent 20 mils.
■ For reinforcement protection 40 mils.
■ (2 coats,20 mils each).
■ Not recommended for.use with expansive grouts.
■ Use of semi-dry mortars onto Sika®Armatec°110 EpoCem must be applied'Wet on wet".
4Y ■ When used in overhead applications with hand placed patching mortars,use"wet on wet"for maximum
mortar built thickness.
■ Substrate profile as specified by the overlay or repair material is still required.
"' tt ■ As with all cement based materials,avoid contact with aluminum to prevent adverse chemical reaction and
possible product failure.Insulate potential areas of contact by coating aluminum bars,rails,posts etc.with
{ an appropriate epoxy such as Sikadur®Hi-Mod 32.
a ~r
PRIOR TO EACH USE or ANY SIKA
PRODUCT,
I
INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA
SHEET WHICH ARE AVAILABLE ONLINE AT HTTP:11USA.SIKA.COM/OR BY CALLING SIKA'S TECHNICAL SERVICE DE
c PARTMENTAT 800.933.7462 NOTHING'CONTAINED IN ANY SIKA MATERIALS RELIEVES THE USER OF THE OBLIGATION
„t O READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCT AS SET FORTH IN THE CUR
+k` RENT PRODUCT DATA SHEET,PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE.
KEEP CONTAINERTIGHTLYCLOSED.KEEP OUT OF REACH OF CHILDREN.NOT FOR INTERNALCONSUMPTION.FOR INDUSTRIAL USE ONLY.FOR PROFESSIONAL USE ONLY.
a For further Information and advice regarding transportation,handling,storage and disposal of chemical products,users should refer to the
actual Safety Data Sheets containing physical,ecological,toxicological and othersafety related data.Read the current actual Safety Data Sheet
before using the product.In case of emergency,call CHEMTREC at 1-800-424-9300,International 703-527-3887.
Priorto each use of any Sika product,the usermust always read and followthe warnings and Instructions on the product's most current Product
Data Sheet,product label and Safety Data Sheet which are available online at hftp://usa.sika.coml or by calling Sike's Technical Service Depart-
ment at 800-933-7462.Nothing contained in any Slka materials relieves the user of the obligation to read and followthe warnings and instruction
for each Sika product as set forth in the current Product Data Sheet,product label and Safety Data Sheet prior to
& product use.
SIKA warrants this product for one year from date of installation to be free from manufacturing defects and to meet the technical properties on
the current Product Data Sheet if used as directed within shelf life.Userdetermines suitability of productfor Intended use and assumes all risks.
Buyer's sole remedy shall be limited to the purchase price or replacement of product exclusive of labor or cost of labor.NO OTHER WARRANTIES
,,tn1 EXPRESS ORIMPLIED SHALL APPLY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FORA PARTICULAR PURPOSE.SIKA
a's SHALLNOTBELIABLE UNDER ANY L GAL THEORY FOR SPECIAL OR CONSEQUENTIAL DAMAGES.SIKA SHALL NOT BE RESPONSIBLE FOR
THE USE OF THIS PRODUCT INAMANNERTO INFRINGE ON ANY PATENT ORANY OTHER INTELLECTUAL PROPERTY RIGHTS HELDBYOTHERS.
SALE OF SIKA PRODUCTS ARE SUBJECT SIKA'S TERMS AND CONDITIONS OF SALE AVAILABLE AT HTTP:IIUSA.SIKA.COM1 OR BY
{r ,
CALLING 201-933-8800.
Visit our website at usa.sika.conn 1.800-933SIKA NATIONWIDE
Regional Information and Sales Centers.For the location of your nearest Sika sales office,contact your regional center.
Sika Corporation Sika Canada Inc. Sika Mexicana S.A.d a C.V. �� BSI -
201 Polito Avenue 601 Delmar Avenue Carretera Libre Cela a Kin.8.5
Lyndhurst,NJ 07071 Pointe Claire Fracc.Industrial Balvanera
Phone:800-933-7452 Quebec H9R4A9 Corregidora,Queretaro a —s'—IOLEGR�E•
t r t Fax:201-933-6225 Phone:514-697-261 0
C.P.76920 •'-•�- ------w _
�I��a �� � .•. Fax:514-694-2792 Phone:52 442 2385800
Sika and Annatec are are registered
Fax:52 442 2250537 trademarks.Printed in Canada.
TA F, VF
Vulkem@ 350KF.
Neighbor Friendly - Low Odor, Low VOC Basecoat for
Pedestrian and Vehicular Applications
Product Description Compatible Vulkem Intermediate and Topcoats
Vulkem®350NF is a single-component,fast curing,low odor Tremco offers a complete line of time tested,compatible
polyurethane basecoat that possesses tenacious adhesion Vulkem intermediate and topcoats that form a strong
primarily to clean and dry concrete,but also to wood and interlaminary bond to the Vulkem 350NF Compatible topcoats
metal.Vulkem 35ONF is a versatile basecoat that can be are Vulkem 351,351 NF,346,951 NF and 95ONF(indoor only
applied underneath any Vulkem intermediate or topcoat or for 950NF).Compatible intermediate coats are Vulkem 345
used under tile.Vulkem 350NF is available in two viscosities,R and 950NE These Vulkem coatings,when used in conjunction
(roller grade)for vertical or horizontal applications and SL(self- with the recommended aggregate,create a tough,aesthetically
leveling)for horizontal applications. pleasing,abrasion-resistant wearing surface over the Vulkem
350NF basecoat.Additionally,Vulkem 35ONF is ideal for use
Basic Uses under tile in bathrooms,kitchen,on balconies and other
Vulkem 350NF is ideal for plazas,vehicular and recreation applications.
decks,balcony terraces,mechanical rooms,restrooms,kitchens, rn
stadiums,ramp areas,elevated plenums and other primarily Packaging
g
concrete surfaces. Please contact Technical Services for 5-gal.(19L)pail
additional information on applications. 55 gal.(208L)drum
Product Features Installation
• Fast cure-refer to chart on page 2 for cure rates. Refer to Vulkem 350NF Application Instructions for specific
• Low odor application details.The techniques involved may require
• Unprimed adhesion to concrete modification to adjust to jobsite conditions.Consult your local
• Less than 90 g/I of Volatile Organic Content Tremco Sales Representative or Tremco Technical Services for
• Low potential for out gassing specific design requirements.
• Low viscosity
• Compatible with all Tremco intermediate and topcoats Warranty
• No cure inhibition or adhesion issues when used with Tremco warrants its Products to be free of defects in materials
Tremco's Dymeric 240FC,Dualflex,Vulkem 45 SSL and but makes no warranty as to appearance or color.
Vulkem 116. Since methods of application and on-site conditions are beyond
• Can be used under tile-contact Tremco Services for our control and can affect performance,Tremco makes no
application information. other warranty,expressed or implied,including warranties of
MERCHANTABILITY and FITNESS FOR A PARTICULAR PURPOSE,
Product Benefits with respect to Tremco Products.Tremco's sole obligation shall
• Fast cure means quicker turnaround on jobsite .be,at its option,to replace or to refund the purchase price of
• Low odor ideal for restoration and interior applications the quantity of Tremco Products proven to be defective and
• Easy to apply Tremco shall not be liable for any loss or damage.
• Compatibility with other Tremco products minimizes the risk
of failure when it abuts other transitions or penetrations of Please refer to our website at www.tremcosealants.com
the structure such as floor-to-wall transitions,detailing and for the most up-to-date Product Data Sheets.
drainage areas.
Availability
Immediately available from your local Tremco Sales
Representative,Tremco Distributor or Tremco Warehouse.
www.tramcosealants.com Page 1 of 2
rRfmcoo
TYPICAL PHYSICAL PROPERTIES
Property Test Method Vulkem 350NF(SQ Vulkem 35ONF(R)
Tensile ASTM D 412 440-460 psi 220-240 psi
Elongation ASTM D 412 600-700% 600-700%
S100 ASTM D 412 220-260 psi 110-120 psi
Hardness,Shore A ASTM C 661-83 50-60 45-50
Peel Strength—On Concrete ASTM C 794 25—30pli,100%Cohesive 20-25pli,Cohesive
Failure Failure
Permeability ASTM E 96 .15 perm-inches .1 perm-inches
Vertical Hold N/A >50 mils
Weight%Solids 90-92% 97-98%
Non-Volatile Content ASTM D 1353 <90 g/I <20 g/I
Viscosity,cps Brookfield C&P 4-6000 cps 15,000-20,000
Cure Time to Recoat
@ 77°F(25°C)50%R.H. ASTM D 1640 4-6 hours 5-7 hours
Flash Point Setaflash 1607 >200T
Pull-Off Adhesion ASTM D 4541 min 300 psi min 200 psi
Temperature @ 50% Relative Humidity Cure Rate
40°-55-F (4.4--12.8°C) 48 hours
55`-.65°F (12.8°-18.3`C) 16-24 hours
65°-85°F (18.3°-29.XC) 4-6 hours
85-F (29.4-C) <or=4 hours
Variations in temperature and humidity can affect the cure rate of the waterproofing membrane.The above chart should
be used as a guide only to determine the approximate rate of cure.Other factors can also influence the cure rate such as
substrate temperature and enclosed environments.For more information about proper application procedures please refer
to the installation instructions or contact Technical Services.
�L e
foaoo„>>,
Tremco Commercial Sealants&Waterproofing
3735 Green Road,Beachwood,OH 44122 //Phone:216.292.5000//800.321.7906
220 Wicksteed Avenue,Toronto,ON M4H 1 G7/!Phone:416.421.3300//800.363.3213
An rjPM Company 1451 Jacobson Avenue,Ashland OH 44805!/Phone:419.289.2050//800.321.6357
www.tremcosealants.com 0512N35ONFSD Page 2 of 2
TECHNICAL
GUIDELINES
Prepared by the International Concrete Repair Institute December 2008
Guide for Surface .
Preparation for the
Repair of Deteriorated
Concrete Resulting
from Reinforcing
Steel Corrosion
Guideline No. 310.1 R-2008 (formerly No. 03730)
Copyright©2008 International Concrete Repair Institute
All rights reserved.
International Concrete Repair Institute
3166 S.River Road,Suite 132,Des Plaines,IL 60018
Phone:847-827-0830 Fax:847-827-0832
Web site:www.icri.org
E-mail:info@icri.org
�d0 INTERNATIONAL
t.
VCONCRETE REPAIR
I N S T I T U T E
About ICRI Guidelines Producers of this Guideline
The International Concrete Repair Institute(ICRI)
wasfounded to improve the durability ofconcrete Surface Preparation Committee
repair and enhance its value for structure owners. Pat Winkler,Chair*
The identification,development,andpromotion of
the most promising methods and materials are Dan Anagnos
primary vehicles for accelerating advances in Randy Beard
repair technology, Working through a variety of Bruce Collins
forums, ICRI members have the opportunity to William"Bud"Earley
address these issues and to directly contribute to Peter Emmons*
improving the practice of concrete repair. Andrew Fulkerson
A principal component of this effort is to make Randy Glover
carefully selected information on important repair Fred Goodwin*
subjects readily accessible to decision makers. Kurt Gottinger
During the past several decades, much has been Tyson Herman
reported in the literature on concrete repair Dave Homerding
methods and materials as theyhave been developed Bob Johnson
and refined Nevertheless, it has been difficult to David Karins
find critically reviewed information on the state of Ken Lozen*
the art condensed into easy-to-use formats. Jim McDonald
To that end, ICRI guidelines are prepared by Beth Newbold
sanctioned task groups and approved by the ICRI Jeffery Smith
Technical Activities Committee.Each guideline is Sandra Sprouts
designed to address a speck area of practice Rick Toman
recognized as essential to the achievement of Patrick Watson
durable repairs.AIIICRI guideline documents are
subject to continual review by the membership and *Contributing editors
may be revised as approved by the Technical
Activities Committee.
Synopsis
This guideline provides guidance on concrete
Technical Activities Committee, removal and surface preparation procedures for
Kevin Michols,Chair the repair of deteriorated concrete caused by
Jim McDonald,Secretary reinforcing steel corrosion. Removal geometry,
Randy Beard configuration of the repair area,removal process,
Don Caple edge preparation, reinforcement repair, surface
Bruce Collins preparation and inspection necessary for durable
William"Bud"Earley repairs are discussed.Special considerations for
Don Ford concrete removal associated with column repair
Tim Gillespie are included.
Peter Golter
Peter Lipphardt
David Rodler Keywords
Michael Tabassi anodic ring effect,bonding,bruising,corrosion,
David Whitmore delamination, deterioration, reinforcing steel,
Pat Winkler structural repair,surface preparation.
This document is intended as a voluntary guideline for the owner, design professional,and
concrete repair contractor.It is not intended to relieve the professional engineer or designer
of any responsibility for the specification of concrete repair methods,materials,or practices.
While we believe the information contained herein represents the proper means to achieve
quality results, the International Concrete Repair Institute must disclaim apy liability or
responsibility to those who may choose to rely on all or any part of this guideline.
310.1 R-2008 GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION
INTERNATIONAL
i N S T I T U T E
Contents
1.0 Introduction..............................................................................................................................1
2.0 Definitions ......................................................:........................................................................1
3.0 Exposure of Reinforcing Steel..................................................................................................1
4.0 Anodic Ring (Halo)Effect........................................................................................ . ............2
5.0 Removal Geometry .................................................................................................................2
6.0 Configuration of Repair Area ...................................................................................................3
7.0 Concrete Removal/Surface Preparation...................................................................................3
7.1 Exposing and Undercutting of Reinforcing Steel..................................................................3
7.2 Preparation of the Repair Perimeter.....................................................................................4
7.3 Cleaning of the Concrete Surface and Reinforcing Steel .....................................................4
8.0 Inspection and Repair of Reinforcing Steel ......................................................................:......5
9.0 Final Surface Inspection .........................................................................................................5
10.0 Special Conditions at Columns .................................................................................................6
11.0 Summary k............................7
....................................................................................................
12.0 References...............................................................................................................................7
12.1 Referenced Standards and Reports....................................................................................7
GUIDE.FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION 310.1 R-2008
1®�MR INTERNATIONAL
9,1CMN CONOnETE nEPAIn
� W I NI N S T I T U T E
1 .01 n t ro d u c t-iso."' . typically extends to a depth of 0.13 to 0.38 in.
(3 to 10 mm) and, if not removed, frequently
This guideline provides owners, design profes- results in lower bond strengths as compared with
sionals,contractors,and other interested parties surfaces prepared with nonimpact methods.
with a recommended practice for the removal of Carbonation:The conversion of calcium ions
deteriorated concrete caused by the corrosion of in hardened cementitious materials to calcium
reinforcing steel,including the preparation of the carbonate by reaction with atmospheric carbon
removal cavity to provide a clean sound surface dioxide. Carbonation reduces the pH of the
to bond a repair material. - concrete and its ability to protect reinforcing steel
This guideline outlines removal geometry, and embedded metal items from corrosion.
configuration,removal process,edge preparation, Chloride contamination: Contamination of
reinforcement repair, surface preparation, and concrete with chloride ions commonly used in
inspection prior to placing a repair material.An deicing salts and accelerating admixtures such as
engineer should evaluate the impact of concrete calcium chloride and sodium chloride.Chloride
removal on structural capacity prior to performing contamination above the threshold for corrosion
concrete removal and repair.The repair methods can result in corrosion of the reinforcing steel.
involve saw cutting and concrete removal using Chloride threshold:The amount of chloride
impact tools,hydrodemolition,and other removal required to initiate steel corrosion in reinforced
techniques. Special caution should be taken to concrete under a given set of exposure conditions;
locate and avoid cutting or damaging embedded commonly expressed in percent of chloride ion
reinforcing bars, prestressing strands, post- by mass of cement.
tensioning tendons,or electrical conduits.Cutting Corrosion:Degradation of concrete or steel
into these items can be life threatening and may reinforcement caused by electrochemical or
significantly affect structural integrity. chemical attack.
This guideline also contains a discussion of Microcrack:A crack too small to be seen with
concrete removal and preparation for the repair the unaided eye.
of columns where the concrete is in compression. Tensile pulloff test:A test to determine the
Special consideration must be given to the repair -unit stress, applied in direct tension,required to
of concrete in compression as the load-carrying separate a hardened repair material from the
capacity of the element may be permanently existing concrete substrate.The test may also be
compromised during the concrete removal and used to determine the maximum unit stress that
preparation process. the existing concrete substrate is capable of
While the procedures outlined herein have resisting under axial tensile loading and the near-
been used to successfully remove concrete and surface tensile strength of a prepared surface
prepare the removal cavity on many projects,the (refer to ICRI Technical Guideline No. 210.3—
requirements for each project will vary due to 2004[formerly No.03739]and ASTM C1583).
many different factors. Each project should be Substrate: The layer immediately under a
evaluated individuallyto ascertainthe applicability layer of different material to which it is typically
of the procedures described herein.Refer to ACI bonded;an existing concrete surface that receives
506R 05,"Guide to Shotcrete"for surface prepar- an overlay,partial-depth repair,protective coating,
ation prior to shotcrete application. or some other maintenance or repair procedure.
2.0 Definitions 3.0 Exposure of
Anodic ring effect:Corrosion process in which Reinforcing Steel the steel reinforcement in the concrete surrounding
a repaired area begins to.corrode preferentially The practice of completely removing the concrete
to the steel reinforcement in the newly repaired (undercutting) from around the corroded
area(sometimes referred to as the halo effect). reinforcement,no matter what degree of corrosion
Bruised surface(micro-fracturing):A surface is found,is key to achieving long-term performance
layer weakened by interconnected microcracks of surface repairs. In most cases, complete
in concrete substrates caused by the use of high- removal of the concrete from around the
impact, mechanical methods for concrete reinforcing steel is the best practice, where
removal,and surface preparation;fractured layer protection of the reinforcing steel within the
GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION 310.1 R 2008-1
INTERNATIONAL
NimOF CONCRETE I REPAIR
repair cavity is achieved by providing a uniform can result in accelerated corrosion of the
chemical environment around the reinforcing surrounding reinforcing steel leading to future
steel.If noncorroded reinforcing steel is exposed concrete deterioration.To assess existing concrete
and the concrete is chloride contaminated, conditions beyond the repair area, chloride
removal of the concrete around the reinforcing content and pH of the concrete at the level of the
should occur or other corrosion-reducing means reinforcing steel should be determined. Where
should be considered.Reinforcing steel partially the chloride content exceeds the threshold level
embedded in chloride-contaminated concrete is for the initiation of corrosion or where the
susceptible to future accelerated corrosion. reinforcing steel is susceptible to corrosion as a
If,for structural reasons,the concrete cannot Tesult of carbonation, a corrosion inhibiting
be completely removed from around the corroded system should be considered to minimize future
reinforcing steel or if a corrosion inhibiting corrosion.Other measures may also be considered,
system is not used,the repair may be compromised such as the application of sealers and coatings,to
due to continued corrosion.If there is a potential slow the corrosion process.In severely chloride-
trade-off between durability and structural contaminated or carbonated concrete, the
capacity,structural capacity should always take complete removal and replacement of the
priority. When reinforcing steel is not fully contaminated concrete at and beyond the repair
exposed through the concrete removal and area may be necessary to provide a successful
preparation process,alternative corrosion inhib- long-term repair.
iting systems should be considered. These
systems may include use of corrosion inhibitors, �.0 Removal
sacrificial anodes or cathodic protection.
4.0 Anodic Ri-,n-g Geometry
Examples of the removal geometry for several
(Halo) E ff e c t different types of reinforced concrete elements
are shown in Fig. 5.1 through 5.6.Repairs may
The existing concrete surrounding a repair area be located on horizontal,vertical,and/or overhead
in chloride-contaminated or low pH reinforced surfaces.The removal in Fig. 5.5 and 5.6 is for
concrete is susceptible to accelerated corrosion. columns where the removal will not affect the
This is due to the electrical potential differential structural capacity of the column. Removal of
between the chloride contaminated or low pH concrete within the reinforcing or to expose the
existing concrete and the chloride-free or reinforcing(concrete in compression)is a special
high pH repair material.This anodic ring effect condition and is discussed in Section 10.
1.
In,,
Fig. 5.1:Partial depth repair,slab or wall, section
-W .
Fig. 5.2:Full depth repair,slab or ball,section
2-310.1 R-2008 GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION
' ��� INTERNATIONAL '
-tile ��I N.....YE REPAIRTrz
Q, zs °bY I 6:0 Configuration
of Repair Area
Deteriorated and delaminated concrete should be
located and marked prior to starting the removal
�..� �
process.Delaminated concrete can be located using
sounding or other suitable techniques.The repair
area should extend a minimum of 6 in.(152 mm)
E �� ,.� beyond the actual delaminated concrete.Note that
during concrete removal, repair areas can grow
Fig. 5.3:Beam or rib repair, elevation in size beyond the areas identified due to incipient
delaminations that are not readily identifiable
by sounding. Repair configurations should be
kept as simple as possible,preferably square or
rectangular with square comers(Fig.6.1).This may
result in the removal of sound concrete.Reentrant
asr corners should be minimized or avoided,as they
are susceptible to cracking.
Fig. 5.4:Beam or rib repair;section
;�
Fig. 6.1:Areas of deterioration and
recommended removal configurations
.0 Concrete
Removal/Surface
Fag. 5.5: Column repair, elevation preparation
7.1 Exposing and
Q� .
2� Undercutting of
s � Reinforcing Steel
Remove concrete from the marked areas and
undercut exposed reinforcing.steel(Fig.7.1)using
x � �Q impact breakers, hydrodemolition, or another
� 'AL
suitable method. Undercutting will provide
clea.r4n.ce under the reinforcing steel for cleaning
and full bar circumference bonding to the repair
Fig. 5.6. Column repair, section material and the surrounding concrete. Bonding
GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION 310.1 R-2008-3
INTERNATIONAL
14 f�=10 CONCRETE REPAIR
1I N S T I T U T E:
the repair material to the full circumference of the to minimize damage to the substrate,reinforcing
reinforcing steel will secure the repair structurally: steel,and surrounding concrete.
Provide a minimum of 0.75 in.(19 mm)clearance Concrete removal should extend along the
between exposed reinforcing steel and surrounding reinforcing steel until there is no further delam-
concrete or 0.25 in.(6 mm)larger than the coarse ination,cracking,or significant corrosion and the
aggregate in the repair material, whichever is reinforcing steel is well bonded to the surrounding
greater.Sound concrete may have to be removed concrete.Care should be taken to avoid significant
to provide proper clearance around the reinforcing and sudden changes in the depth of concrete
steel.If impact breakers are used for partial depth removal,as the repair material is more susceptible
concrete removal,the breaker should not exceed to cracking at these locations.
30 lb(12 kg).A 15.1b(7 kg)breaker is preferred If noncorroded reinforcing steel is exposed
during the removal process,care should be taken
to not damage the bond to the surrounding
concrete. If the bond between the reinforcing
N sf -steel and concrete is broken, undercutting of
the reinforcing steel is required.
Remove all deteriorated concrete and additional
concrete as required to provide the proper
configuration and/or the minimum required
fo thickness of repair material as required by the
9� manufacturer of the repair material and/or the
project specifications.
Fig. 7.]:Remove concrete to undercut
and expose reinforcing steel and 7.2 Preparation of the
provide uniform repair depth Repair Perimeter
The perimeter of the repair area should be saw
cut 0.75 in. (19 mm) deep to provide a vertical
/} d X edge(Fig. 7.2)for the repair material.This will
avoid featheredging of the repair material.
Depending on the repair material selected, the
° gv depth of the existing reinforcing and the
manufacturer's recommendations a saw cut depth
n � •• less than 0.75 in.(19 mm)deep may be sufficient.
Care should be taken to avoid cutting the existing
3 reinforcing steel.
Fig. 7.2:Saw cut perimeter
to provide vertical edge 7.3 Cleaning of the
Concrete Surface and
Reinforcing Steel .
Co�`' The use of high-impact,mechanical methods to
asp remove deteriorated concrete will result in a
surface layer weakened by interconnected micro-
t,,R cracks in the concrete substrate. The fractured
(bruised)layer can extend to a depth of 0.125 to
0.375 in.(3 to 10 mm)into the resultant concrete
substrate and may result in reduced bond strength.
IS
Remove the bruised layer and bond-inhibiting
materials.such as dirt,concrete slurry,and loosely
Fig. 7.3:Abrasive blasting to clean bonded concrete by oil-free abrasive blasting
substrate and reinforcing (Fig. 7.3) or high-pressure water blasting. The
4-310.1 R-2008 GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION
INTERNATIONAL
� H11PINMlST I RET E
saw-cut edge of the repair area should also be damaged/deteriorated steel or placing supple-
blasted to roughen the polished vertical surface. menial reinforcing steel in the affected section
caused by the saw-cutting. (Fig.8.1).Supplemental reinforcing steel may be
All concrete, corrosion products, and scale .'lap-spliced or mechanically spliced to existing
should be removed from the reinforcing steel by reinforcing steel. The supplemental reinforcing
oil-free abrasive blasting or high-pressure water steel should extend (lap length) beyond the
blasting. Verify that the reinforcing steel and damaged/deteriorated area in accordance with
concrete surface are free from dirt, oil, cement ACI 318, "Building Code Requirements for
fines(slurry),or any material that may interfere Structural Concrete.
with the bond of the repair material.Inspect the
repair cavity to'verify that all delaminations-and 9 0 Final Surface
deterioration have been removed. If hydro-
demolition is used,cement fines(slurry)must be completely removed from the repair surface.A Inspection
tightly-bondedlightrustbuild-up on the reinforcing Immediately prior to placing the repair material,
surface is usually not detrimental to bond. If a inspect the repair cavity to verify that all bond-
protective coating is applied to the reinforcing inhibiting materials(dirt,concrete slurry,loosely
steel,follow the coating manufacturer's recom- bonded aggregates, or any material that may
mendations for steel surface preparation. interfere with the bond ofthe repair material to the
existing concrete) have been removed. If bond-
8.0 I n s p e et i on inhibiting materials are present,the repair cavity
should be recleaned as previously described.
and Repair of To verify the adequacy of the prepared
concrete surface and completeness of bond-
R e i n f o r e i n S't eel inhibiting material removal,a tensile pulloff test
g (ICRI Technical Guideline No. 210.3 2004 or
Loose reinforcement.should be secured in its. ASTM C1583)should be considered to evaluate
original position by tying to secure bars or by the bond strength capacity and tensile strength of
other appropriate methods to prevent movement the existing concrete substrate.This test may also
during placement of repair material. be performed after the repair is complete. The
If reinforcing steel has lost cross-sectional pulloff strength requirement should be established
area, a structural engineer should be consulted. by the engineer and included as a performance
Repair reinforcing steel by either replacing the specification for the repair.
Affected Length
Loss of Cross Section
Required Lap Required Lap
rp Supplemental Bar
1 7`rs
..
Affectdi TJength
Fig. 8.1:Repair of damaged/deteriorated reinforcing
GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION 310.1 R-2008-5
Adbl INTERNATIONAL
.TkHCRI 2 CONCRETE REPAIR
• OW
10.0 Special Condition- at Columns
-01 v>Kffi'•rh �' -S' P f'§F .'- '.SY '. r?z� +f' Sz"7t. '77 "a Y-� Y rs 'a iF'"^ t
�,Mz ,�'J"��� rY'"rY' �„�.� s r. ✓� yr+lt ss° i„r P s s,F"
fi
Wry :w y
# ik.;z ?,f{ ,�=
*vt"s` ' S H �y�kxr .s� �.'�v -Yy. r5" ," s-✓ /
NMI.
v "rl fi, y"s5 * f 3-t � sr
' .
c
s
^s ci< ryY� �. -s��£a�fr'•s:.+'�,�,`�,�rt�,w y _ i- r �•
NONE
� }s
y ""x�'ra; s a''^�G�.rs�^',�•`�,,��kz'"x�n'�� ' xz a r
�y 3 t r��"� �•�:.� Y �' 4 rY-i�SF--}fya�nqz«x ,��v�'r +t a�� r r � r F- ?
A `�z��
:3x r
Y
zs;" '`r.,��✓ Ir F".5: r`� .ff l L��. r�fi3� fib,��� �,1 x.
W aI
'3 �A
''� o f F -k a •.. ^ys' ,fx ,r r kFi.r� uwu, ''i, 'r.�. 3 s Mn
0110 k=
�"
�✓' `x^3'_ :lI2^"�5,f'ai"'j}` 3`"r'o 4Jd•' t4,: Hd1
�'} �fi sa'tt {�z a��� � r. X l.'�r� rz r�y ✓t���rr£��� � F
iE f
geg
0;
a Rr t„y � gas u-fC � 4a; �'"�
<3.`t rr 3t.,r z 3 Y r ckna .r�Y ,, ..�,r`� 3' �.P- r u s
s yiaS ,� %+ .a•.re"'s '` rf1 nv r'�Yi" �s. y .r
r zsx, -
<'%fi �S'
�;?�"y ��{` - . rt. ✓`,c�,��7r�3.�z�na�y�`�ix��r��� - � s r 1r
-^3 v y.� �i�-.^s�� yF•� �,�.t��;��Y R �.. � e� .[� ,��s.�� r yh r s
Fig. 10.1: Column load path Fig. 10.2a: Column repair Fig. 10.3: Column load
path following repair
M.
Fig'.10.2b:Columnseetion
6-310.1 R-2008 GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION
• � '1
XINTeRNAT10NAL
Ma'"CONCRETE REPAIR
I N 5 T I T U T E
Undercutting of reinforcement is a best.practice 1'1 0 Summary
in tensile zones of concrete. In columns, the
The repair of deteriorated concrete resulting from
primary loading condition is compression.From
reinforcing steel corrosion is necessary to extend
a design perspective, the concrete section
contained within the reinforcing cage is considered the service life of the structure. Performing
concrete repairs using industry-best practices will
to carry the compressive loads (Fig. 10.1).The
ensure the success and longevity of the repair.
concrete outside ofthe reinforcement is considered
as protective concrete cover for fire and corrosion Understanding the existing conditions and cause
of corrosion will assist the engineer in specifying
protection of the reinforcement. Removing the
concrete within the column reinforcing steel the type and extent of the repair required,and the
type of corrosion mitigation systems and/or
(Fig. 10.2)can greatly increase the compressive
. stress in the reinforcing steel and the remaining Preventative.measuresthat should be considered
to protect the structure from future deterioration.
concrete. Upon concrete removal, compressive
load paths redistribute around the repair
(deteriorated)sections(Fig.10.3).Depending on 12.0 Ref a re n c es
the size of the concrete removal area behind the
column steel, buckling of the column vertical, Referenced
R
'�
reinforcing bars can occur. In the majority of 12.1
�
cases, shoring systems will not unload the Standards and Reports
compressive stress in the column section.
The following standards and reports were the
When new repair material is placed in the
latest editions at the time this document was
prepared area,the new material cures and most
Prepared.Because these documents are revised
materials undergo drying shrinkage,which results
in the new material being put into a tensile stress frequently, the reader is advised to contact the
state.The new material will not carry compressive proper sponsoring group if it is desired to refer
loads until the original concrete compresses further, to the latest version.
forcing the repair material into compression. If American Concrete Institute (ACI)
further compression is beyond the capacity of the
existing concrete, failure of the column may ACI 506R,"Guide to Shotcrete"
occur. This key concept affects the concrete
preparation process. In normal concrete repair ACI E706 (RAP 8), "Installation of Embedded
(other than columns), removal of the concrete Galvanic Anodes"
surrounding the corroding reinforcement (also American Society for Testing and
known as undercutting)is anormal and necessary
process to provide for a long-term durable repair. Materials (ASTM International)
To remove concrete around vertical reinforcing ASTM C1583,"Standard Test Method for Tensile
steel in a column(removing concrete inside the Strength of Concrete Surfaces and the Bond
reinforcing bar cage) can cause the remaining Strength or Tensile Strength of Concrete Repair
concrete and/or reinforcement in the column to and Overlay Materials by Direct Tension (Pull-
become overstressed.From a structural point of off Method)"
view, this condition may not be desirable. If
concrete is to be removed inside the reinforcement International Concrete Repair
cage, a qualified structural engineer should Institute (ICRI)
determine the impact of the repair on potential
reinforcement buckling and overall structural ICRI Concrete Repair Terminology
capacity of the column.Note that the discussion ICRI Technical Guideline No. 130.1R-2008
in this section is also applicable in concept to (formerly No. 03735), "Guide for Methods of
compression zone portions of other structural Measurement and Contract Types for Concrete
members such as beams,slabs, and walls (with Repair Work"
or without compression reinforcement) where
on-going compressive stress exists and where ICRI Technical Guideline No. 210.3-2004
adequate shoring cannot be installed prior. to (formerly. -No.03739),"Guide for Using In-Situ
repairs to prevent displacements and corresponding Tensile Pull-Off Tests to Evaluate Bond of
stress redistributions during repairs. Concrete.Surface Materials"
GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION 310A R-2008-7
1 INTERNATIONAL
1d,1Cl 11 CONCRETE REPAIR
F IN ST IT U T E
ICRI Technical Guideline No. 310.3=2004
(formerly No.03737),"Guide for the Preparation
of Concrete Surfaces for Repair Using Hydro-
demolition Methods"
ICRI Technical Guideline No. 320.2R-2008
(formerly No..03733),"Guide for Selecting and
Specifying Materials for Repair of Concrete
Surfaces"
These publications may be
obtained from these organizations:
American Concrete Institute
38800 Country Club Drive
Farmington Hills,MI 48331
www.concrete.org
ASTM International
100 Barr Harbor Drive
West Conshohocken,PA 19428
www.astm.org
r
International Concrete Repair Institute
3166 S.River Road,Suite 132
Des Plaines,IL 60018
www.icri.org
8-310.1 R-2006 GUIDE FOR SURFACE PREPARATION FOR THE REPAIR OF DETERIORATED CONCRETE RESULTING FROM REINFORCING STEEL CORROSION