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10-723-063E Q DD 0 W 0 N N 0 4_J 0 U I �I 0 0 0 0 0 / s= Q) -4- J U U) 0 0 0 go] H U) U Q) 0 In n 0 E 0 C_ CL CONCRETE REPAIR PROCEDURE FOR CRACKED CONCRETE: 1. ALL CRACKS SHALL BE SOUNDED DURING CONSTRUCTION AND ALL LOOSE MATERIAL REMOVED. 2. ALL PREVIOUSLY SEALED CRACKS SHALL BE CLEANED AND PREPARED PRIOR TO NEW REPAIR. a. REMOVE ANY EXISTING SEALANT OR BACKER ROD. b. REMOVE ALL FOREIGN DEBRIS BY MECHANICAL MEANS. c. THE CRACK SHALL BE BLOWN CLEAN USING OIL FREE COMPRESSED AIR. 3. CRACKS HAVING A MAXIMUM WIDTH OF 1132" DO NOT NEED TO BE REPAIRED. 4. CRACKS WHICH ARE WIDER THAN 1132" AND A MAXIMUM WIDTH OF 1/8" SHALL BE REPAIRED BY EPDXY- INJECTING THE CRACK. a. PREPARE SURFACE AND CRACK ACCORDING TO MANUFACTURER'S REQUIREMENTS. b. SEAL THE CRACK AND SET INJECTION PORTS WITH SIKADUR 31 HI -MOD GEL OR BY SIKA CORPORATION OR APPROVED EQUAL. c. PRESSURE INJECT THE CRACK WITH SIKADUR 35, HI -MOD LV BY SIKA CORPORATION OR APPROVED EQUAL. 5. CRACKS WHICH ARE GREATER THAN 118" WIDE SHALL BE REPAIRED BY GRAVITY FEEDING THE CRACK. a. PREPARE SURFACE AND CRACK ACCORDING TO MANUFACTURER'S REQUIREMENTS. b. FILL CRACK WITH OVEN -DRIED SAND PRIOR TO APPLYING SIKADUR 55 SLV BY SIKA CORPORATION OR APPROVED EQUAL. PRESSURE INJECTION PROCEDURE: 1. CONTRACTOR SHALL USE GROUND PENETRATING RADAR TO LOCATE EXTENT OF UNDERMINED SLAB AND SUBMIT RESULTS TO ENGINEER OF RECORD PRIOR TO INJECTING GROUT. 2. ENGINEER OF RECORD SHALL SPECIFY AMOUNT AND LOCATION OF INJECTION PORTS BASED ON RESULTS FROM GPR. 3, CONTRACTOR SHALL DRILL INJECTION PORTS AS SPECIFIED BY ENGINEER OF RECORD. 4. CONTRACTOR SHALL PUMP GROUT INTO INJECTION PORT UNTIL IT COMES OUT OF NEXT PORT. 5. CONTRACTOR SHALL INSTALL REPAIR MORTAR IN INJECTION PORTS. TABLE OF QUANTITIES ITEM QUANTITY * UNIT EPDXY INJECT SLAB CRACKS (1132" TO 1/8 ") 650 LF GRAVITY FEED SLAB CRACKS (GREATER THAN 1/8 ") 250 LF PRESSURE INJECTION BELOW SLAB ** SF CONCRETE SPALL REPAIR 25 SF * QUANTITIES ARE ESTIMATES PROVIDED FOR PRICING ONLY. CONTRACTOR SHALL PROVIDE UNIT PRICES FOR EACH ITEM OF REPAIR WHICH SHALL BE USED TO CALCULATE PAYMENT BASED ON ACTUAL QUANTITIES AS APPROVED BY THE ENGINEER OF RECORD. ** CONTRACTOR SHALL USE GROUND PENETRATING RADAR TO LOCATE EXTENT OF UNDERMINED SLAB. A QUANTITY OF GROUT CANNOT BE ESTIMATED AS THIS TIME. NOTES: 1. INDICATES APPROXIMATE LOCATION OF EXISTING VOID BELOW EXISTING SLAB ON ® GRADE. 2. INDICATES APPROXIMATE LOCATION OF EXISTING SLAB CRACK. CONTRACTOR TO VERIFY LOCATION, SIZE AND EXTENT OF CRACKS IN FIELD. NEW TOPSIDE REPAIR MORTAR, USE CONCRETE -TOP SUPREME MANUFACTURED BY THE EUCLID CHEMICAL COMPANY, THOROC SD2 REPAIR MORTAR BY CHEMREX INC., OR APPROVED ALTERNATE SOUND CONCRETE SUBSTRATE SHALL SAWCUT 112" IN RECTANGULAR BE ROUGHENED TO AMPLITUDE OF SHAPE AROUND REPAIR. DO NOT APPROXIMATELY 1/4" CUT EXISTING REINF. TOP OF EXISTING SLAB 1/2" MIN. TO 2" MAX. n � CONCRETE SPALL REPAIR DETAIL SCALE: N.T.S. • 4•• • Y IN • • Quo.* V•• • • • Y • • V U U•• •ii • W • •V•• • • • 1' 7.91 y V •u• • W i • V V V U Y • • • • • SJ V V U V U• W • Fj y V • V V V W V V 4 u 4 • V Y • UV UVi V Vii • U V 4 V U .. O u V O V i•• V V u 4 4 V Y•• V V V �' W i V Y • VUUU U UV4U*+ Y WWVV 4 VUVV Y Cl y fi �TION (18.)1 GG� 1= F Thornton Tomasetti" Thornton Tomasetti, Inc. 101 NE Third Avenue, Suite 1170 Fort Lauderdale, FL 33301 -1199 T 954.903.9300 F 954.903.9331 COA # 7519 TT Project No. K10013.00 seal/sipature: MATTHEW OLENDER, PE FL LIC.- NO'.,*PI ,98679 v date: architect NORBERTO ROSENSTEIN ARCHITECT , INC. RICHIEC7W - Nli6"tlOR DE M - rl.MM 126 S. FEDERAL HIGHWAY SUITE # 202 DANIA BEACH, FLORIDA 33004 PH: (954) 922• -6551 FAX= (954) 922 -7388 EMAIL- intoorosensteinarchltect.com WEB: wwwrosensteinarchitect.com STATE REG. NO. AR0016674 NATL. REG. NO. 69178 COPYRIGHT © 2010 NORBERTO ROSENSTEIN ARCHITECT, INC. ALL RIGHTS RESERVED. THIS DOCUMENT OR PARTS THEREOF, MAY NOT BE REPRODUCED IN ANY FORM WITHOUT PERMISSION. DESIGNED DRAWN j 1 CHECKED > 15 I HEREBY CERTIFY THAT THESE PLANS WHERE PREPARED BY ME OR UNDER MY SUPERVISION, AND TO THE BEST OF MY KNOWLEDGE, COMPLY WITH ALL APPLICABLE CODES. 00 0 elton + leniz A R Q U I T E C T O S A S 0 C I A D 0 S RUT :76.575.840 -8 AURELIO GONZALEZ 3330 VITACURA �1 8-11 -2010 REVISION R E V I S 1 0 N S COMM. DATE 2010 -31 8 -5 -2010 ww • r1le =;�'mwt4� 5701 SUNSET DRIVE SUITE B -10 FLORIDA, 33143 SOUTH MIAMI SLAB CRACK REPAIRS 1 5 -1.1 A,OF 16