Raised Floor Foundation Best Practices

OR EXISTING
4'-10 1/4" CRAWL SPACE
ACCESS PORTAL
CRAWL SPACE (ENLARGE TO MIN. 3' X
EXIST.
TYPE 1 PIER 3')

SPACING PER BOX #1 BELOW.
BEST PRACTICE CRITERIA RAISED FLOOR FOUNDATION BEST PRACTICE GUIDE
CRAWL SPACE EXHIBIT AP
THE FOLLOWING GENERAL GUIDELINES MAY BE USED BY THE CUSTOMER/OWNER/ ACCESS PORTAL Fu
CONTRACTOR WHEN MODIFYING, REPAIRING, OR OTHERWISE UPGRADING THE GIRDER WITH
STRUCTURALLY
EXISTING RAISED FLOOR FOUNDATION SYSTEM: INADEQUATE
BEARING
1.) ANY COMMUNICATIONS SHALL BE DIRECTLY WITH THE PROPERTY OWNER OR SUPPORT A
THE PROPERTY OWNER DESIGNATE. CONTRACTOR SHALL NOT CONTACT NOTE: THIS PLAN SHOWS AN IDEALIZED GENERIC RAISED FLOOR FOUNDATION LAYOUT. CUSTOMER/CONTRACTOR MAY USE THIS DOCUMENT AS A GUIDE FOR
ENGINEER DIRECTLY .
BEST PRACTICES. ***NOT AN ENGINEERING DESIGN OR CONSTRUCTION PLAN***
2.) UNDERPIN TYPES SUCH AS CEDAR POSTS, WOOD POSTS, DRY STACK CMU
PIERS, OR OTHER TEMPORARY SUPPORTS SHALL GENERALLY NOT BE THE CUSTOMER MAY APPLY "BEST PRACTICE CRITERIA" TO THE ENTIRE RESIDENCE FOUNDATION/FLOOR FRAME SYSTEM. THIS GENERIC FLOOR FRAME/PIER LAYOUT IS FOR INFORAMTION ONLY. PLANNING FOR/RESOLVING ANY ARCHITECTURAL/CONSTRUCTION
CONSIDERED AN ACCEPTABLE PERMANENT FOUNDATION TYPE. TYPE 2 AND RELATED CONFLICTS/IMPACTS WHICH MAY BE CREATED BY ANY PROPOSED STRUCTURAL MODIFICATIONS ARE EXCLUDED FROM THIS DOCUMENT OR THIS SERVICE. ANY STRUCTURAL ITEMS LOCATED OUTSIDE THE FIELD OF VIEW SHOWN ON THIS SKETCH ARE
EXCLUDED FROM ANY ENGINEERING ANALYSIS.

TYPE 3 UNDERPINS (PIERS) ARE ACCEPTABLE AND MUST GENERALLY CONFORM

WITH 2021 IRC AND THE EXAMPLE IMAGES SHOWN BELOW ON THIS SHEET S.1. DATE
7/2022
3.) FOUNDATION TYPE 1 PIER: SHALL CONFORM TO THE 2021 IRC, HAVE PIER SHAFT

DIAMETERS MINIMUM 10 INCHES, SHALL BE COMPOSED OF MINIMUM 2,500 PSI

CONCRETE (28 DAY YIELD), REINFORCED WITH DEFORMED STEEL, PLUMB, AND

SHALL BEAR TO DEPTHS SPECIFIED BY THE DESIGN PROFESSIONAL, OR TO 36 CRAWL SPACE
EXIST.
INCH MINIMUM BEARING DEPTHS IN EXPANSIVE SOILS, OR TO 12 INCH MINIMUM TYPE 1 PIER

BEARING DEPTHS IN NON-EXPANSIVE SOILS. FOR MORE INFORMATION, REFER EXISTING BY
SPACING PER BOX #1 BELOW.
TO HTTP://ANYFLIP.COM/AJIX/SCPH/ FOR GENERAL UNDERPIN (PIER) CONCEPT CRAWL SPACE
ACCESS PORTAL
EXAMPLES. SEE TYP. GIRDER (ENLARGE TO MIN. 3' X APA Build A Better Home Foundation Detail:
4.) THIS DOCUMENT HAS NOT BEEN APPROVED FOR CONSTRUCTION AND IS NOT A CHART 1 4 X 6,8 OR 6 X 8 Full-Basement Foundation Wall With Granular Drainage
3')
DESIGN INTRUMENT. MINIMUM PIER, GIRDER, AND JOIST GEOMETRY INDICATED FOR CRAWL SPACE REVISED
HEREIN CONSTITUTE GUIDELINES, NOT FINAL DESIGNS/SPECIFICATIONS. MAX. ACCESS PORTAL
PIER GIRDER WITH
MAXIMUM PIER, GIRDER, AND JOIST SPACING INDICATED HEREIN CONSTITUTE SPACE STRUCTURALLY
INADEQUATE
GUIDELINES, NOT FINAL DESIGNS/SPECIFICATIONS. FINAL DESIGNS SHALL BE OR <<<<TYP. TRIBUTARY WIDTH>>>> BEARING
SUPPORT
SPECIFIED BY THE DESIGN PROFESSIONAL OF RECORD.

5.) JOIST TO PIER BEARING SURFACE CONTACT SHALL NOT BE LESS THAN THE

WIDTH OF THE JOIST THICKESS (1.5 INCHES).

6.) JOISTS SHALL BE FULLY SUPPORTED BY PIERS DIRECTLY BELOW LOAD BEARING EXAMPLE NEW NO.
EXTERIOR WALLS. JOISTS SHALL NOT “CANTILEVER” BELOW ANY EXTERIOR LOAD UNDERPINS (PIERS)
BEARING WALLS WITHOUT THE EXPRESS APPROVAL OF THE DESIGN TYP. EXIST <<TYP. TRIB. WIDTH>>
PROFESSIONAL. BEARING WALLS SHALL NOT OFFSET MORE THAN 1 JOIST DEPTH TYPE 1, 2, OR 3 FLOOR JOISTS

FROM THEIR SUPPORTING GIRDER BELOW THE FLOOR UNLESS THE JOISTS/ CRAWL SPACE FOUNDATION SYSTEM
EXIST.
GIRDERS ARE SIZED FOR THE ADDITIONAL LOAD. TYPE 1 PIER

7.) FLOOR JOISTS SHALL CONNECT TO THEIR SUPPORTING BAND JOISTS OR SPACING PER BOX #1 BELOW. TECHNICAL GUIDE

LEDGER BOARDS USING METAL HANGERS. GO HERE FOR MORE INFORMATION: SHEET TITLE:

HTTPS://WWW.STRONGTIE.COM/SEARCH/? Q=COLUMN+CAPS+CONCRETE+PIERS SEE <<<<TYP. TRIBUTARY WIDTH>>>> RAISED FLOOR
OTHER CONNECTOR OPTIONS MAY BE AVAILABLE FOR A GIVEN SPECIFIC CHART 1

APPLICATION. FOR OR
MAX.
8.) CRAWL SPACE PORTAL ACCESS SHALL HAVE AT LEAST TWO 30” WIDE BY 30” PIER
SPACE

4X6 OR
4X8

GIRDER
TYP

(SINGLE
OR 2-

STORY)

EXAMPLE NEW

HEIGHT CLEAR OPENINGS. CRAWL SPACE INTERIOR HEADROOM CLEARANCES UNDERPINS (PIERS) TYP. EXIST <<TYP. TRIB. WIDTH>>
FROM THE GROUND SURFACE TO THE BOTTOM OF THE GIRDER SHALL BE TYPE 1, 2, OR 3 FLOOR JOISTS
MINIMUM 12”. CRAWL SPACE INTERIOR HEADROOM CLEARANCE FROM THE
GROUND SURFACE TO THE BOTTOM OF THE JOISTS SHALL BE MINIMUM 18”. 4X6 OR OR DECAY PROTECTION
9.) ENSURE CRAWL SPACE GROUND SURFACE SLOPES ALONG THE FOUNDATION 4X8 FOR LUMBER SPECIES
PERIMETER DRAIN OR DIRECT STORMWATER RUNOFF AWAY FROM THE CRAWL WHEN LESS THAN 18 INCHES
GIRDER FROM THE GROUND SURFACE
TYP
SPACE AND INTO AN APPROVED CONVEYANCE OR OUTFALL.
(SINGLE
OR 2-

STORY)

10.) CRAWL SPACE GROUND SURFACES SHALL BE RELATIVELY SMOOTH AND FREE OF

TRASH OR DEBRIS.

11.) ENSURE THE CRAWL SPACE NATURAL AIR VENTILATION CAPACITY EQUALS A TYP. GIRDER TYP. EXIST CRAWL SPACE 4
MINIMUM 1 SQUARE FOOT OF NET VENTILATION AREA PER 150 SQUARE FEET OF 4 X 6,8 OR 6 X 8 ACCESS PORTAL d
UNDERFLOOR CRAWL SPACE AREA. THIS MAY BE ACHIEVED BY ADDING

ADDITIONAL AIR VENTS ALONG THE FOUNDATION PERIMETER SKIRTING. INSTALL TYPE EXIST. TYPE 1, 2, 3 PIER e
A VENTILATION OPENING WITHIN THREE FEET OF EACH CORNER OF THE 5 FEET MAX. O. C. SPACING.
4" min.UNpDEeRPrIfNoS rated 4 INCH MIN. GIRDER WIDTH.
6 INCH MIN. GIRDER DEPTH.
TYPICAL PBIUEILRDIN/GG PIERRDIMEETERR IFSEPCOANCOMINICAGLLY POSSIBLE. ALTERNATIVELY, SHOULD TYP. EXIST CRAWL SPACE SEE <<<<TYP. TRIBUTARY WIDTH>>>> (PIERS)
THE CUSTOMER WISH TO MINIMIZE VENTILATION REQUIREMENTS TO 1 SQUARE CHART 1 PRESERVATIVE TREATED
IDEALIZED GENERIC FOUNDATIOANCCESLS PAORYTALOUT drainpip GIRDERS/JOIST
FOR
Y WIDTH FOO#T OSFTNOETRVIEENSTILCATHIOANRATR#E1A:PTEPRYIEP15IRC00ASSLQPPUAIAERCRE/IGFNEIRGETDOEFRUSNPDAECRFINLOGOR FOR GUIDELINEBPOURXP#O1SES ONLY MAX. TYP. EXIST e
EET 1CRAWLGSIRPADCEERASRIZEEA, CUTSRTOIBMUETRARMYAYWCIDOTV5HE.R5TFHEE#CESRTTAOWRLIESSPACE GROUPNIEDR SPACING PIER GIRDERS
SPACE *I

SURFACE4S" WX I6T"H A VAPOR RETAR8DFEERETCONFORMING TO1THE FOLLOWING 5.5 FEET EXAMPLE NEW LEXAMPLE NEW
UNDERPINS
BOX #1 UNDERPINS (PIERS)
FEET 221 467...005 FFFEEEEEETTT FLOOR FRAME AND FOUNDATION GENERAL GUIDELINES:12.) [GRSCPEI.R]EMDMCOEIINFVRIEICMO444AAUR"""TNMXXXIDJOO6886NR-I"""MSSET:PILLF[A(AL0.OC.]0PEO0E6RARNIFNMYRCEADHAME)NTPI818CNEO2EGFFRLFEE<YIMOEEEEEER1TTTM.TAH0TBYPEELEDRERSNSMETW,RT[IBUTH.HC]ICCTNKOUENR221NWEAFSOLSSTRFORLMOURSOCETRTQOUFUARRASA[A1LTL..M]M"BEBEEEL1674SO7...T500W4P5FFFR,FEEEALEEEOCTTTTOICRECCRRAIWTEFL[R1L.]SOIACB"PBEOO"AELNSORSCTSWHTPEFRRF.AURALCOCLATTTOLHIMIOCRAEINCES,CPRRRAADPEIWTPNLOEAYLRIDRCSIA,TPU"OAOFSCRMOHEMT.AUEOLHTLNHNDIAIISSTFDPIDPCFAILOASYOTTCITIOIUUOONMNNTNSTEH.NDEISCTGNAUFISEOSTDTINUINOEONTMEDDENRENARTADAISSEOSLHDYNASAGALSTSLYUGSEAETINMGEDESMENUENARALEEENRNIRNTADHADLEAEGLLSCAUL:GOIRLDNEULEMTFIRREODADERCEIAMTUOLFSAREEOCDHBTRYAIIOSAAUNTCLHSOITEAENEAMSCBPTSPTRYBLUIIEOCCALATONIBOCWLN.EOITTEPHNXERPEOMSEEFRTNESISEGRNSIBUINCOEEECNELAARTONLWIDOWWAJISN.TUHNRTIOPESHDXTRPIAECOEBTRLIEIFOEENENNTSCOAGELSVIICININSORUEFENAODELEUALRNYNTLDAWIACAWLTCASIEO.ISSTNSTHHNTIHSOEEGETXUNDPTAEIERBIRESLIEENTCOEVIINSTUYFPAEO1L,U2L,YNORDA3 CATCIEOSNS THE ENTIRE *It is good(PIEpRrS)actice to include a capillary break at the intersection of footing and basement wall to reduce the m
EET TYP. EXIST <<TYP. TRIB. WIDTH>>
EET FLOOR JOISTS TYPE 1, 2, OR 3

wall. Neglecting this break may lead to capillary movement of water through the concrete, which may occur at

2 5.0 FEETMEMBERS4." RXE8F"ER TO HTTP://AN1Y2FLFIEPE.CTOM/AJIX/SCPH/2FOR GENERAL WCOOON5D.S0TFREUECTTION, REPAIRN, OOTRANMENOGDINEIFERICINAGTDIEOSIGNNSI.NSCTRUUMSTENOTMANEDRISSPHROAHLIBLITEEDNFOSRUURSEE ATSHSUECHC.ONTRACTOR HAS THE APPLICABLE EXPERIENCE AND JURISDICTIONAL CREDENTIALS. THIS GUDE IS C
FEET FLOOR FR6A" XMI8N"G EXAMPLES. 8 FEET 2 NO7T.5ANFEEENTGINEERING[2.D] WEOSOIGD NGIRIDNERSBTERAMUSM: REEQNUTIREA10N0%DBIESARPINRGOOHN ITBOIPTOEFDPIEFROS. RREUMSOEVEAANSDSRUEPCLAHC.E ANY STRUCTURALLY DAMAGED, INADEQUATE/UNSTABLE GIRDERS WITH PRESERVATIVE 4X6 OR E
4X8

GIRDER
TYP

(SINGLE
OR 2-

STORY)
FEEEETT 22 67..05 FFEEEETTPEOLIDERERLHREOSOMRPOEAIFZNCOATINNSRG111TE(453AA)A....L))).KRWMECTSJFL.OOLEHNOAEAHOICTAS.XMNSEAOUL"EITRPGMBLLRR-IRETVTEPSLNUFBEOORUEOHIAOLMFENAIRSRN6-POLMDFTPBCGPS"1OEEASOEIIS”CRE.PIXEANOBRSADEE"PETRSILLS)8RI:NLEESTWOLE"(WTSREGONAIFSR,NLHEOVASRSIUDHRTBADPTAIE,AUMRAIIABTCBGCOCNTCMEEESCIALIIOOHRNNAYRDERETRSGTYNN/EORISLXLRMHNAIFRSEVIERGUTSEAEVLT-AVEATESSSPLIHMEACORETTLERIPTI-RLBTLESICLMANIUHOIEIEODEFAOENTCONELRRANNTIROGTAW1OTSUSTEETDOU2DRRNOPMERNRCAWFFSFPIXEOOLTEOOERLIDEA.ERECIMDARVNRTARLEHREGTEBEEEFOPMSTOMEVIERRPLRRORREEDEAIEIRFZENCOCAXRDWORATS1ISTPNDNESR2E-TIOGAT1ME5UDSW(RAIA)A/N.CRIC2EYL.FSSIKRST”LNAKOT.ETBAEHIEASCCLNA.ONED"ER,GEONBCTIHESOVTEETRFHIIASETANFNMAMTBPGEIFDTGS2WEHAESADE"T/H)NLEETLLWERWATI,ETESVFIODH.OOERIPOSAEOCRNRRIAHHSRAUELCSISXLFLNDMEIUTE.ILVDMEISPEORMRUPASILEIOOLTOATORATCRIRTAI[[OTLHR23DTEPIFSNS..ATIE]]RERN.U.INDRPWATAATIEGOARMRRICVPISAEBORLNEEEIFPCRB6DWSYR1AOAO-LOI.ETO%TTT0ICTRRDIEARCREYSHESFAKDDRPGASLEETYEDIRI4O.OE1EREA,ANDTI2NDNAEG,/NLCDROIVHCYPERBHDIEXE3AAAR.6RMMSPTINS[P[[[AI4563#EA:....CG]]]]R1RCLRPSVTAATAH.EEHRRIAICPPEEGITVPDIERIPPCNRBMQIEOAYDLRIOIIALTTTIEOGEPTOASRUEYGRFSRIYVDDRPOL.EISIRROTEYEISR4NT4OODD1O1AE,SENEIISM2NNMARINRNOGN,SHNCD-1EOM.TVAHC0EYTCOAPRAEEAH0DWDIXR-LNHEX3LAPA%R.S6ACE.RLIM/EUHOSTPXQI2RRNRPAEEINB5#EAECICEGU8GRNX1EFCHO.REPOHEIATATPDENNICOLTYO.IANTEEGNTRPOARTSWROE.ENECROISS4CCRNLO1PNIDHSYSTINANOENH.AGINOAEDMCABSTODWNHLLOUBOOYELSE/RERXQR.LPEANNEELU8XMAMP6VEPATTLISLE-NTTOELSIALTIENNCOPNOGCLTARDHYIEHI-NIRPCEPMMTSATODDIUROEHENEERORPUFNRSDMLPA6TSFXABMOIHIS1NTPENF%RPIAIH8IMRCELMTDMIRTEHEOSEAUOSISDSENSIRXMTLDOSSHAFPHS8LECHLLADRNTOA.IALFHENHCLOHLLLPLCFORLERTNASHWHRHBOIEOFNVAESWARRMOTTVOEAROETOMEEIMRFIDOFXOLOOOITIGOC3IND3UNV0DEIARUDGT0EGCIEGLFSDNTBYIRGLIRICDEOO1SANFDA-HBEIIOS1IEXRNMEC/DSEDRRE2SDSDSITA”HDAESBHLIUOEMTENMOEEODRLRRRECOSEHFTSEATESIANEWEAQHTCBPITRGLEEEOUIMSTERLDOHISARHEO.LART.LWEETSCOEF.CYUTGIGXE1TAPPP0WIREEHIRQATP-CORID1ONNAEA2UUESRSLTDNRITNENTALHHDOIBEOCNEYLWVEEHSFGAF.BEUESTLMEGIGUSRIH1LTNT.SNFO0EIRAHGRARDSW-CFOLHEUCIOD1ELNRAFR2UUACPPLELITNONIILENRNITTEDNODRBRSHUASEDRI/BAACTAPRSECIEIRMOHIEHSNRARABAANIAUCNESTLLMEWLOFLISTRLUMLLOPLYH.ODSFOUSATAOEPMPDAYVRSAWRMCPEEOLHACESVAMEELFUE1XMAF,ANAR1IAMP22LXLFRTA,AIOINUEILMONTECAGMHREUCODR.BSEEHM13RSEI.RREDIEAPNAOS,FESICECEUIXIRNMHRRHNTCRSTSTEAFAOAIAO(ISLNDUTSOLUDWENCIOLVION-HDMETERDOPLAEHQRIRSRU-SOSAUPOTTTUTMIURPUNYVA#AFRATT1SAPEBITS)FOCOC.EEIODEETMNDEFHRE/E1SUIUL,ASGSAO1ESPI22VNIIRAXIRTNLAD,CE.IGTSEIMMIEONNIORTAAGARNNUC. BHM3RLEEEPOSFIGEEUINRRITRSTSDTOO(IEDURUENCSN-HDTWDOAEIRRI-STPOTTHIUUN#PRT1SRBS)F.EEIODTSDHERERSISGSOVPIAIRAITLTDCE.IVMIENERG
EXAMPLE ONLY
PLAN VIEW

(NO SCALE)

TYP. EXIST CRAWL
SPACE

ACCESS PORTAL

BOX #1

GENERIC FLOOR FRAME AND FOUNDATION GENERAL GUIDELINES:

DESIGN PROFESSIONAL. ANY FLOOR FRAME MODIFICATIONS SHALL [E4N.]SRUIGRIED GIRDER-TO-PIER[7.C] SOHINMNMAETCERTIAIOLS.NSSH.IMAMLALTERGIAIRLSDSHEARLLBBEE APRMESSSURSEHTARELALTEDBEWOROIDD GPRIODDLUYCTFSI,XSTEEDEL,TOOR STIMHILEARIRNOSNU-CPOPMOPRRETSSIINBLGE, RUIGNIDD/REESRILPIEINNT SW/APTEIRERRESSISTTOANTPMRAETVEREIANL.T THEIR EXCESSIVE ROTATION USING AN TYP. EXIST CRAWL SPACE [1.] "BEST PRACTICE CRITERIA" SHALL APPLY TO THIS FOUNDATION SYSTEM AND ALL REMEDIAL ACTION ITEMS BELOW.
ACCESS PORTAL [2.] WOOD GIRDER BEAMS: REQUIRE 100% BEARING ON TOP OF PIERS. REMOVE AND REPLACE ANY STRUCTURALLY DAMAGED,

JOISTS SUPPORT THEIR ALLOWABLE DEAD AND LIVE LOADS WITHIN THEAAPRPERAO(VSE) D METAL CO[N8.]NGREOCUTNOD-RTOS-.FLOOR FRAME CLEARANCES. OBSERVED WOOD FLOOR FRAME MEMBER CLEARANCES SHALL ATTAIN THE DIMENSIONS AS INIDCATED IN TABLE 1 ABOVE. INADEQUATE/UNSTABLE GIRDERS WITH PRESERVATIVE TREATED 4 INCH X 6 INCH WOOD GIRDERS OR EQUAL. GIRDER BEAMS
[5.] LEVEL FLOORS. ENSURE REASONABLY LEVEL AND FLAT RCEHSIADRENTC#E1IN: TTEYRIPOIRCFALOLOPRIESRUR/GFAICREDS.ETRYPSICPAALCLEINVEGLING CRITERIA INCLUDE MAXIMUM 1 INCH FLOOR SURFACE ELEVATION SHALL BEAR ATOP TYPE 1, 2, OR 3 PIERS (UNDERPINS). THIS ITEM APPLIES TO ANY DAMAGED OR INADEQUATELY SUPPORTED
OF CONFLICT. FLOOR FRAMING BEAMS LOCATED WITHIN THE CRAWL SPACE.
[3.] PIER TYPE1, 2, OR 3. PIER TYPE 1 NEW/REPLACEMENT PIERS SHALL HAVE OUTSIDE DIAMETERS OF 10-12 INCHES. All piers
SHALL HAVE MAXIMUM OUTSIDE-TO-OUTSIDE SPACING OF 5 FEET. PIERS SHALL EXTEND TO MINIMUM DEPTHS OF 30 INCHES
BELOW THE GROUND SURFACE AND A MINIMUM OF 12 INCHES INTO UNDISTURBED SOIL.
[4.] RIGID GIRDER-TO-PIER CONNECTIONS. ALL GIRDER BEAMS SHALL BE RIDGIDLY FIXED TO THEIR SUPPORTING UNDERPINS/

16.) SITE STORMWATER DRAINAGE CRITERIA MAY BE CONSIDERED BY THE VARIATIONS OVER A 25 FOOT SPAN OR LGEISRSDTEHRANSIAZE1% TOTTRALIBFULOTAORRYTWILTIDATCHROSS TH#ESETNOTRIRIEESEXPANSE OPF ITEHRESFPOAUCNINDAGTION FLOOR SURFACES. BOX #1 PIERS TO PREVENT THEIR EXCESSIVE ROTATION USING AN APPROVED METAL CONNECTORS.
4" X 6" 8 FEET 1 5.5 FEET FLOOR FRAME AND [5.] LEVEL FLOORS. ENSURE REASONABLY LEVEL AND FLAT RESIDENCE INTERIOR FLOOR SURFACES. TYPICAL LEVELING CRITERIA
CUSTOMER: GROUND SURFACE STORMWATER SHOULD BE [6.] SHIM SYSTEM MAX . HEIGHT. WOOD BEAM-4T"OX-P6I"ER SHIMS SHALL N1O2TFEEXECTEED 1-1/2” IN HE2IGHT. 4.5 FEET FOUNDATION GENERAL GUIDELINES:
ANY ROOF OR DRAINED TO AN INCLUDE MAXIMUM 1 INCH FLOOR SURFACE ELEVATION VARIATIONS OVER A 25 FOOT SPAN OR LESS THAN A 1% TOTAL FLOOR
TILT ACROSS THE ENTIRE EXPANSE OF THE FOUNDATION FLOOR SURFACES. LINEBERGER CONSULTING ENGINEERS, INC.
[6.] SHIM SYSTEM MAX. HEIGHT. WOOD BEAM-TO-PIER SHIMS SHALL NOT EXCEED 1-1/2” IN HEIGHT. 19141 Stone Oak Parkway #104
[7.] SHIM MATERIALS. SHIM MATERIALS SHALL BE PRESSURE TREATED WOOD PRODUCTS, STEEL, OR SIMILAR NON- San Antonio, TX 78258

EXISTING OR PROPOSED UNDERGROUND COLLECTION SYSTEM AND T[H7E.]NSHIM MATERIALS. SHIM MATERIALS SHALL 4B"EXPR8E" SSURE TREATED W8 OFEOEDTPRODUCTS, STEE1L, OR SIMILAR NON-C7O.0MFPEREETSSIBLE, RIG[I1D.] "/BRESETSPIRLAIECTNICTE CWRITAETREIAR" SRHAELSLIASPTPALYNTOTTMHISAFTOEURNIDAATLI.ON SYSTEM AND ALL REMEDIAL ACTION ITEMS BELOW. THE ENGINEER WAS APA Build A Better HomeNCOOMPTREASBSILBLEE,TROIGIDV/RIESSUILAIENLTLYWAATECRCREESSISSTATNHT MEATEENRITALI.RE Foundation Detail:

[8.] GROUND-TO-FLOOR FRAME CLEARANCES. OBSERVED WOOD FLOOR FRAME MEMBER CLEARANCES SHALL ATTAIN THE

SUBSEQUENTLY DISCHARGED TO AN APPROVED PUBLIC CONVEYANCE[8(C.] IGTYROUND-TO-FLOOR FRAME CLEARANCES.4O" XBS8E"RVED WOOD FLO8ORFEFERATME MEMBER CLE2ARANCES SHALL ATTA6I.N0 FTHEEETDIMENSIONSBEALOSWINFLIODOCRACTRAEWDL ISNPACTEA. BTHLIES D1OACUBMOENVTEIS. INTENDED AS A GENERAL GUIDE FOR USE BY A CONSTRUCTION PROFESSIONAL Concrete MasonryWITHDIMEEXNSPIOENRSIAESNINCIDECAITNEDFINOTUABNLED1 AABTOIVOE.N Crawl Space Foundation
CONSTRUCTION, REPAIR, OR MODIFICATIONS. CUSTOMER SHALL ENSURE THE CONTRACTOR HAS THE APPLICABLE EXPERIENCE AND JURISDICTIONAL CREDENTIALS. THIS GUDE IS
STORMWATER DRAIN OR STREET).
4" X 8" 12 FEET 2 5.0 FEET NOT AN ENGINEERING DESIGN INSTRUMENT AND IS PROHIBITED FOR USE AS SUCH.

ALL ROOF RAIN GUTTER DOWNSPOUTS SHOULD CONNECT TO EXISTING OR 6" X 8" 8 FEET 2 7.5 FEET [2.] WOOD GIRDER BEAMS: REQUIRE 100% BEARING ON TOP OF PIERS. REMOVE AND REPLACE ANY STRUCTURALLY DAMAGED, INADEQUATE/UNSTABLE GIRDERS WITH PRESERVATIVE

PROPOSED SUBSURFACE STORMWATER COLLECTION SYSTEMS. 6" X 8" 12 FEET 2 6.0 FEET TREATED 4 INCH X 6 INCH OR 4 INCH X 8 INCH OR 6 INCH X 8 INCH WOOD GIRDERS OR EQUAL. GIRDER BEAMS SHALL BEAR ATOP TYPE 1, 2, OR 3 PIERS (UNDERPINS). THIS ITEM

GROUND SURFACE DRAINS/CATCH-BASINS MAY BE ADDED WHICH DIRECTLY NOTES: TRIBUTARY AREA IS FLOOR OR ROOF AREA RECEIVING DEAD OR LIVE LOADS. GIRDERS ARE APPLIES TO ANY DAMAGED OR INADEQUATELY SUPPORTED FLOOR FRAMING BEAMS LOCATED WITHIN THE BELOW FLOOR CRAWL SPACE AREA. REFER TO CHART #1 FOR GIRDER
CONNECT TO UNDERGROUND STORMWATER COLLECTION SYSTEMS. TRIBITARY AND PIER SPACING.
PRINCIPAL LOAD BEARING STRUCTURAL ELEMENTS (A.K.A. "BEAMS") WHICH SUPPORT FRAMEWORK DEAD/LIVE [3.] PIER TYPE1, 2, OR 3. PIER TYPE 1 NEW/REPLACEMENT PIERS SHALL HAVE OUTSIDE DIAMETERS OF 10-12 INCHES. ALL PIERS SHALL HAVE MAXIMUM OUTSIDE-TO-OUTSIDE SPACING
LOADS. PIER SPACING IS THE MEASURED HORIZONTAL LENGTH BETWEEN EXTERIOR PIER VERTICAL ACCORDIONG CHART #1. PIERS SHALL EXTEND TO MINIMUM DEPTHS OF 30 INCHES BELOW THE GROUND SURFACE AND A MINIMUM OF 12 INCHES INTO UNDISTURBED SOIL.
SURFACES (NOT CENTER -TO-CENTER PIER SPACING). [4.] RIGID GIRDER-TO-PIER CONNECTIONS. ALL GIRDER BEAMS SHALL BE RIDGIDLY FIXED TO THEIR SUPPORTING UNDERPINS/PIERS TO PREVENT THEIR EXCESSIVE ROTATION USING AN
APPROVED METAL CONNECTORS.
APA Build

[5.] LEVEL FLOORS. ENSURE REASONABLY LEVEL AND FLAT RESIDENCE INTERIOR FLOOR SURFACES. TYPICAL LEVELING CRITERIA INCLUDE MAXIMUM 1 INCH FLOOR SURFACE ELEVATION Concret
VARIATIONS OVER A 25 FOOT SPAN OR LESS THAN A 1% TOTAL FLOOR TILT ACROSS THE ENTIRE EXPANSE OF THE FOUNDATION FLOOR SURFACES.

[6.] SHIM SYSTEM MAX . HEIGHT. WOOD BEAM-TO-PIER SHIMS SHALL NOT EXCEED 1-1/2” IN HEIGHT.

[7.] SHIM MATERIALS. SHIM MATERIALS SHALL BE PRESSURE TREATED WOOD PRODUCTS, STEEL, OR SIMILAR NON-COMPRESSIBLE, RIGID/RESILIENT WATER RESISTANT MATERIAL.

[8.] GROUND-TO-FLOOR FRAME CLEARANCES. OBSERVED WOOD FLOOR FRAME MEMBER CLEARANCES SHALL ATTAIN THE DIMENSIONS AS INIDCATED IN TABLE 1 ABOVE.

Low permeability soil 8" min. 6" min.

DATE:

6" min. NONE

SCALE:

TYP. GIRDER JOINT Cl
floo
Granular CONNECTION NONE
SHEET: Low perm
backfil
S.1
***NOT AN ENGINl EERING DESIGN INSTRUMENT***

***GUIDELIFfNailbterEirc INFORMATION ONLY***

EXAMPLE TYPE 1 PIER EXAMPLE TYPE 2 PIER EXAMPLE TYPE 3 PIER EXAMPLE TYPE 3 PIER ***NOT FOR PERMIT USE***

Coarse gravel

FridaMyo, nNdoavye,mObcetorb4e,r21002,22022 4" min. perforated
drainpip

e Friday, November 4, 2022