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HomeMy WebLinkAboutCompaction Grouting Plan & Details• cots STRUCTURAL ENGINEERS w 0 f) rn 0 00 0 X u_ 0 corn ao 0 0 KLEIN RES NO DESCRIPTION DATE STRUCTURAL GENERAL NOTES DESIGN CRITERIA DESIGN STANDARDS 1. INTERNATIONAL BUILDING CODE, 2009 EDITION. 2. INTERNATIONAL RESIDENTIAL CODE, 2009 EDITION. 3. ASCE 7-05, MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES. DESIGN LOADING 1. RESIDENTIAL FLOOR LIVE LOAD = 40 PSF 2. ROOF SNOW LOAD = 40 PSF UNIFORMLY DISTRIBUTED ON ROOFS, NOT REDUCIBLE. 3. WIND DESIGN: BASIC WIND SPEED = 90 MPH EXPOSURE CATEGORY = C 4. SEISMIC DESIGN CRITERIA: 0.379 SHORT PERIOD SPECTRAL RESPONSE ACCELERATION (Ss) = 0.076 ONE SECOND SPECTRAL RESPONSE ACCELERATION (Sd)�= SITE CLASS = RESPONSE MODIFICATION COEFFICIENT (R) = 6.5 SEISMIC RESPONSE COEFFICIENT (C) = 0.06 FOUNDATION REPAIR TO MITIGATE THE EFFECT OF 1. FOUNDATION REPAIRS HAVE BEEN DESIGNED HP INTRUSION INTO THE SUPPORTING MOISTURE SOIL. SOILS DATA FROM THE GEOTECH REPORT OF JULY 29, 2005, AND THE GEOTECHNICAL REPORT PREPARED BY SMITH GEOTECHNICAL, DATED DECEMBER 2011 WAS USED IN THE PREPARATION OF THE DESIGN. 2.N WALL ANALYSIS EQUIVALENT FLUID PRESSURLS USED IN SOIL ON FOUNDATION ARE IN CONFORMANCE WITH THE GEOTECHNICAL REPORT BY HP GEOTECH, DATED JULY 29, 2005: ACTIVE = 40 PCF AT REST = 50 PCF PASSIVE = 350 PCF FRICTION COEFFICIENT = 0.45 LY ON THE SOIL COMPACT BACKFILL UNDER ANY 3. NEW SLABS THAT BEAR DIRECT TO 95% STANDARD PROCTOR DENSITY PER ASTM D698. (NOT REQUIRED AT THE NEW REINFORCED SLAB AT ENTRY PORCH.) DESIGN LIFE MINIMUM OF WATER ENTERING THE SOIL. 1. DESIGN IS BASED ON AN ABSOLUTE OWNER IS CAUTIONED TO CONTROL WATER INGRESS ON THE PROPERTY. MATERIAL GRADES CAST -IN-PLACE CONCRETE I II CEMENT SHALL BE NORMAL WEIGHT CONCRETE WITH TYPE / 1. CONCRETE CONFORMING TO ASTM C150 AND AGGREGATE CONFORMING TO ASTM C33.SI. 2. COMPRESSIVE STRENGTH OF CONCRETE AT 28 DAYS SHALL BE 4,000 P 3. REINFORCING BARS SHALL BE ASTM A615 -GRADE 60, UNLESS NOTED OTHERWISE. 4. WELDED WIRE FABRIC SHALL CONFORM TO ASTM A185. COMPACTION GROUT = 750 PSI AT 28 DAYS. 1. GROUT MINIMUM COMPRESSIVE STRENGTH 2. MAXIMUM GROUT SLUMP = 1 -INCH AT TIME OF INJECTION. 3. GROUT COLUMN IS TO EXTEND TO THE DEPTH SHOWN ON THE DRAWINGS. TOP OF SLAB TO BE INSTALLED AT THE SAME ELEV AS ORIGINAL #3x DWL'S © 8" 0.0. (E) sXs PEDESTAL (E) 2' -0"x2' -0„x10„ PAD FOOTING 5" CONC SLAB W/ #4 © 16" EA WAY BOT 8"x24" GRADE BEAM (2) #6 CONT #4 DOWEL (4" EMBED IN EPDXY) GRADE BEAM AT ENTRY PORCH 1 p 1 2 3 3/4" = 1'---0" (E) MAIN LEVEL FLOOR • (E) TJI BLKG / //I/ /I/7 /7/ / #3 STIRRUPS @ 6" O.C. (ALTERNATE SIDES) (2) #4 TOP & BOT EMBED 8" INTO (E) CONC IN EPDXY LAP BARS 15" '1 (E) WD FRAME WALL CUT TO ACCOMMODATE CONC STRUT BEVEL EDGE U w •l N • (E) WINDOW OPNG 3 CONSTRUCTION PROVISIONS GENERAL CONSTRUCTION PROVISIONS 1. THE REQUIREMENTS OF THE LATEST EDITION OF THE OSHA CONSTRUCTION STANDARDS SHALL BE FOLLOWED BY ALL CONTRACTORS, FABRICATORS, AND SUPPLIERS. 2. CONTRACTOR SHALL PROVIDE ADEQUATE BRACING AND SHORING TO THE EXISTING STRUCTURE WHERE REQUIRED TO PERFORM MODIFICATIONS OR WORK ADJACENT TO SAME. 3. CONTRACTOR SHALL NOTIFY STRUCTURAL ENGINEER OF ANY OBVIOUSLY DAMAGED STRUCTURE NOT NOTED ON THE DRAWINGS PRIOR TO PROCEEDING WITH RELATED OR AFFECTED CONSTRUCTION. LIKEWISE, CONTRACTOR SHALL NOTIFY STRUCTURAL ENGINEER OF ANY DISCREPANCIES BETWEEN THE ASSUMED EXISTING STRUCTURE SHOWN ON THE DRAWINGS AND THAT FOUND AT THE CONSTRUCTION SITE. QUAITY ASSURANCE 1. SPECIAL INSPECTION SHALL BE PERFORMED FOR THE WORK INDICATED BELOW. SPECIAL INSPECTION SHALL BE PERFORMED IN ACCORDANCE WITH SECTION 109 AND 1704 OF THE IBC. WHERE DESIGNATED IN THESE NOTES, INSPECTIONS SHALL BE PERFORMED BY THE ENGINEER OR A QUALIFIED TESTING AGENCY APPROVED BY THE BUILDING DEPARTMENT, & RETAINED BY THE OWNER. THE SPECIAL INSPECTOR SHALL FURNISH COPIES OF ALL INSPECTION RESULTS TO THE OWNER, ENGINEER, CONTRACTOR, AND BUILDING DEPARTMENT. 2. THE CONTRACTOR SHALL NOTIFY THE SPECIAL INSPECTOR THAT THE WORK IS READY FOR INSPECTION AT LEAST 24 HOURS BEFORE SUCH INSPECTION IS TO OCCUR. ALL WORK REQUIRING SPECIAL INSPECTION SHALL REMAIN ACCESSIBLE AND EXPOSED UNTIL IT HAS BEEN OBSERVED AND INDICATED TO BE IN CONFORMANCE BY THE SPECIAL INSPECTOR. THE CONTRACTOR SHALL MAINTAIN JOBSITE COPIES OF ALL REPORTS SUBMITTED BY THE SPECIAL INSPECTOR. 3. SPECIAL INSPECTION OF THE FOLLOWING TYPES OF CONSTRUCTION IS REQUIRED: - COMPACTION GROUTING INSTALLATION: PER TABLE 1704.9 - LIFTING THE STRUCTURE - REINFORCED CONCRETE 4. THE CONTRACTOR SHALL PROVIDE THE ENGINEER OF THE RECORD 48 HOUR NOTICE TO SCHEDULE APPROPRIATE SITE VISITS FOR STRUCTURAL OBSERVATION. •• •k •I • ki • ', • . GROUTING AT EACH 1'-0" LIFT SHALL BE CONTINUOUS UNTIL ONE OR MORE OF THE FOLLOWING ACCEPTANCE CRITERIA IS MET: - GROUT INJECTION PRESSURE = 750 PSI. - GROUT INJECTED = CF/LF. - THE STRUCTURE OR SLAB -ON -GRADE BEGINS TO LIFT. 2. GROUTING ALONG THE EAST AND NORTH EDGES OF BASEMENT SHALL BE PERFORMED IN A FASHION TO RAISE THE STRUCTURE TO AN APPROXIMATELY LEVEL POSITION. (E) CONC WALL & FTG (E) AB ONLY ATIASEMENT APPLY WATER -PROOFING -111 ill -11 1 r l Fl • GROUT COL BEYOND ' -- GRANULAR BACKFILL Ivot 410;.tak_ dp ozikapsipsdps erOgr•�•lw•e.•li.•�•o.•o•�• 4•40441.04•404111.04:00,0 41.000:1.111" :.=.:.=.===. -.=.• = •=Os �=� 1.• livdtmooP- •.'•,•.P•' *111, 410 1 •. 2,0‘ „• •�•.►V 4_l. 101- FILTER FABRIC CLEAN FREE DRAINING GRAVEL 10 MIL VISQUEEN PLACED ALONG FACE OF TRENCH, BELOW PIPE & UP FOUNDATION WALL CUT GROUT DOWN FOR SLOPE OF DRAIN 4"0 SLOTTED PVC DRAIN LINE. HIGH POINT AT NORTH SIDE, WITH INVERT AT BOT OF FTG. SLOPE DOWN AT 1% CARRY AROUND EAST, WEST AND SOUTH SIDES. EXTEND SOUTHWARD TO DAYLIGHT OUTLET. CENTER GROUT COL JUST OUTSIDE OF (E) FTG TYP GROUT COLUMN Sc PERIMETER DRAIN 1 0 1 2 3 3/4" = 1'-0" 1 MAINTAIN (E) FLASHING OR PROVIDE NEW RE: 1/S1 FOR SLAB L4x3x3Ax0'-3", LLV, GALV. W/ Y2"0 HILTI KWIK BOLT TZ W/ 4" EMBEDMENT. PROVIDE AT LEAST (2) ON EA EDGE OF SLAB, MAX SPACING 41-00. 0 1 1-1 /2" = 1'-0" er 114 44'444 4 %�+er nt://- • SLOPE DOWN 50 HIGH POINT OF DRAIN LINES SLOPE DOWN b4 5* -O" DI OVA 4 DISCONNECT CONC. RETAINING WALL PRIOR TO LEVELING THE HsiD. 106' Sr 4T-0 1 41,1L er ret 4Q Fr 6.44 1143`41/4 8P IWO BASEMENT FT& VERIFY LENGTH OF NEW CONC STRUT IN FIELD (E) BASEMENT WINDOW CRAWL SPACE liMmtgir r,,,_„..... pr ac.03 18 1.2 ell r 64..E Tv4,1474` -L- er 6,414 8� 44'-o CONC GRADE BEAM REMOVE (E) FTG & PEDESTAL LEDGER ANGLE f�* ?N%'43/4 3 L , 4. r, -, 0 _...._ ......,......„,Ft ,,, , 174 get 1 44'4 4 +4'0 21 (E) BASEMENT WINDOW VERIFY LENGTH OF NEW CONC STRUT IN FIELD REMOVE & REPLACE (E) SLAB. COMPACT EARTH ONLY TO USE AS FORM. '-534 Ere o �rrrs al . /../ 31 L O CONC GRADE BEAM -J FOUNDATION REMEDIATION PLAN 0 3/16" = 1'-0" 4' 2' 4' 8' 12' NOTES: 1. DRAWING ADAPTED FROM SK PEIGHTAL ENGINEERS SHEET S1.1 ISSUED 8/10/05 2. 3. - INDICATES COMPACTION GROUT COLUMN EXTENDS 25 -FEET BELOW FOOTING. - INDICATES COMPACTION GROUT COLUMN EXTENDS 30 -FEET BELOW FOOTING. 4. SHORE PORCH ROOF TO INSTALL GRADE BEAMS & PORCH SLAB. RE -INSTALL PJSTS TO ORIGINAL POSITION & ORIGINAL CONNE=CTIONS PER S.K. PEIGHTAL DRAWINGS. 26 REMOVE (E) FTG & PEDESTAL • 1 V Plotted: Designed: Drawn: Checked: 6/17/2016 KWC WCE KWC