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r DodlSign Envelope D:AE1BBADO-SF9B-422E-11i51-70B5D9C67000 SPECIFICATION FOR CORRUGATED STEEL PIPE-GALVANIZED STEEL' SCOPE INSTALLATION THIS SPECIFICATION COVERS THE MANUFACTURE AND SHALL BE IN ACCORDANCE WITH AASHTO STANDARD INSTALLATION OF THE GALVANIZED CORRUGATED STEEL SPECIFICATIONS FOR HIGHWAY BRIDGES.SECTION 26,DIVISION H PIPEICSP)DETAILED IN THE PROJECT PLANS. OR ASTM A 708 AND IN CONFORMANCE WITH TIE PROJECT PLANS AND SPECIFICATIONS.IF THERE ARE ANY INCONSISTENCIES OR MATERIALS CONFLICTS.THE CONTRACTOR MUST BRING THEM TO THE ATTENTION OF THE SITE ENGINEER. NOTES THE GALVANIZED STEEL COILS SHALL CONFORM TO THE APPLICABLE REQUIREMENTS OF AASHTO M 218 OR AS TM A 929. IT IS RESPONSIBIUTYOF THE CONTRACTORS TO FOLLOW OSHA 1.)ALL ELEVATIONS.DIMENSIONS AND LOCATIONS OF RISERS AND VETS. GUIDELINES FOR SAFE PRACTICES. SHALL BE VERIFIED BY THE ENGINEER PRIOR TO RELEASING FOR FABRICATION. PIPE CONS I RUC I ION LOADS 2.)N SITUATIONS WHERE A FOE-GRAINED BACKFI L MATERIAL IS USED ADJACENT TO THE PPE T£CSP SHALL BE MANUFACTURED IN ACCORDANCE WITH TIE SYSTEM.AND ESPECIALLY WA SITUATIONS INVOLVING HIGH GROUNDWATER TABLES. APPLICABLE REQUIREMENTS NTS OF AASHTO M-36 OR ASTM A 760. CONSTRUCTION LOADS MAY PE HIGHER THAT FINAL LOADS. CONSIDERATION SHOULD BE GIVEN 10 HIE USE OF GASKETED PIPE JOINTS.AT THE VERY LEAST. THE PIPE SIZES.GAGES MD CORRUGATIONS SHALL BL AS FOLLOW THE MANUFACTURERS OR NCSPAS GUIDELINES. THE PIPE JOINTS SHOW O BF WRAPPED N A SUITABLE.NONWOVEN GEOTEXTILE FABRIC TO SHOWN ON THE PROJECT PLANS. PREVENT NEITRATION OF FINES INTO THE PIPE SYSTEM. 3.)ALL FITTINGS AND REINFORCEMENT COMPLY WITH ASTM A99B. ALL FABSEION OF THE PRODIIC i SHALL OCCUR WITHIN THE UNITED STATES. 4.)STD 1 EH MADE FROM'17 0,22l370?.AL72,TOGA.,CARP. HANDLING AND ASSEMBLY 53 MINIMUM COVER HEIGHT FOR PIPE DESCRIBED WI NOTE I4 IS 17. SHALL BC IN ACCORDANCE WITH NCSPAS(NATIONAL CORRUGATED STEEL PIPE ASSOCIATION)RECOMMENDATION`: 6 1 CONSIDERATIONS FOR CONSTRUCTION EQUIPMENT LOADS MUST BE TAKEN INTO ACCOUNT.SEE IX NAM.ON THIS PAGE 7.)ALL PIPE DIMENSIONS ARE SUBJECT TO MANUFACTURERS TOLERANCES. MATERIAL SPECIFICATION B.)ALL RISERS A STUBS ARE 2 5 X IY4`CORRUGATION AND 16 GAGE.UNLESS OTHERWISE NOTED. SCALE:N.T.S. AND INSTALLATION SPECIFICATION PRE—CONSTRUCTION MEETING TEMPORARY COVER 1 FOR CONSTRUCTION1N-' PRIOR TO INSTALLATION OF THE DRAINAGE SYSTEM A PRE[CONSTRUCTIN LOADS MEE I HNG SHALL BE C(NDUC TED.THOSE REOl1REU TO Al MEMO ARE THE O SLEPT PER OF THE DRAINAGE SYSTEM,THE GFNFRAL.CONTRACTOR,SUB CONTRACTORS AM)THE ENGINEER. I o —1-EIGHT Of COVER FOUNDATION/BEDDING PREPARATION I it FINISHED GRADE PRIOR TO PLACING THE BEDOIIIG.TIE FOUNDATION MUST BE CONSTRUCTED TO A UNIFORM AND STABLE GRADE.N THE EVENT THAT UNSUITABLE / - I OLNDAI ION MATERIALS ARE ENCOUNTERED DURING EXCAVATION.THEY SHALL BE REMOVED AND BROUGHT BACK SO THE GRADE WITH A FILL MATERIN AS APPROVED BY THE ENGINEER ONCE TIE FOUNDATION PREPARATION IS COMPLETE.THE 4 INCHES OF A WELL GRADED GRAMMAR MAI I-EAT SHALT.BE PLACED AS THE BEDDING_ RAC KFII I THE BACKFILL SHALL BE AN A I.A2 OR A3 GRANULAR FILL PER AASHTO - AI-'45 OR A WELL-GRADED GRANULAR FILL AS APPROVED BY THE ENGINEER 1 / t • (SEE INSTALLATION GUIDELINES)THE MATERIAL SHALL BE PLACED WI&INCH LOOSE LIFTS AND COMPACTED TO 00%AASHTO T99 STANDARD PROCTOR DENSITY. WHEN PLACING TIE FIRST LIFTS OF BACKFILL IT IS IMPORTANT TO MAKE SURE THAT THE BACKER(IS PROPERLY COMPACTED UNDER AND CONSTRUCTION LOADS: AROUND TIE PIPE HAUNCHES.BACKFILL SHALL BE PLACED SUCH THAT THERE IS NO MORE THAN A TWO LET DIFFERENTIAL BETWEEN ANY OF THE FOR TEMPORARY CONSTRUCTION VEHICLE LOADS,AN EXTRA AMOUNT OF COMPACTED COVER MAY PIPES AT ANY TIME DURING THE BACKFILL PROCESS.THE BACKFILL SHALL BE ADVANCED ALONG THE LENGTH OF THE DRAINAGE SYSTEM AT THE BE REQUIRED OVER THE TOP OF THE PIPE.THE HEIGHT-OF-COVER SHALL MEET THE MINIMUM SAME RATE TO AVOID DIFFERENTIAL LOADING ON THE PPE. REQUIREMENTS SHOWN IN THE TABLE BELOW.THE USE 01-HEAVY CONSTRUC I ION EQUIPMENT } NECESSITATES GREATER PROTECTION FOR THE PIPE THAN FINISHED GRADE COVER MINIMUMS FOR OTHER ALTERNATE BACKFILL MATERIAL MAY BE ALLOWED DEPENDING ON SITE SPECIFIC CONDITIONS.REFER TO TYPICAL SNAFU_(DETAIL WITHIN NORMAL HIGHWAY TRAFFIC. T HIS SL I 01 PLANS I OR N YE_ RI L 01 MA H LAL REWIRED. 'MINIMUM COVER MAY VARY.DEPENDING ON LOCAL CONDITIONS. AXLE LOADS(KIPS) TIE CONTRACTOR MUST PROVIDE TILE ADDITIONAL COVER MINIMUM COVER DIAMETERS 18-50 ' 5045 I 75110 1110-150 REQUIRED TO AVOID DAMAGE TO THE PIPE. MINIMUM COVER IS I BACKFILL SHALL BE PLACED TO THE PROPER ELEVATION OVER THE SYSTEM AS OUTLIER N THE PLANS.MINIMUM COVER FOR CONSTRUCTKN MEASURED FROM THE TOP OF THE PIPE TO THE TOP OF THE LOADING lNNH411M COVER IFTI MAINTAINED CONSTRUCT ION ROADWAY SURFACE. B NEEDS TO BE DETERMINED BASED ON THE TYPE OF EQUIPMENT THAT IS PLANNED FOR CONSTRUCTION.PROPER COVER FOR CONSTRUCTIONP t�4r 2.0 25 30 30 e EQUMENT SHALL BE DETERMINED ED PRIOR TO THE PRE-CONSTRUCTION MEETING BY THE ENGINEER. 15.4/3. 30 3.0 3.5 4.0 11 78.1 AP 3.0 3.5 4.0 co a126'tN.t' 35 4.0 4.5 (5 CONSTRUCTION LOADING DIAGRAM g N.T.S I T_ 736366-010-SD-CON-A ATF `�wp,.`� ^�c,a�.: W':`1.`'.� A� �r77)8)66 510� n7/19/2023 �� NTECH' 1Y CARP-73636fr010 .""""""""Mant. "" [HORS W UNDO E TIC [IQ®® WOODBURN STORAGE-STOREIT STORAGE 1,1,...0 xXX �`DR c._ •_ _ Co/A.°'E9.cm, WOODBURN,OR "°O cm/NEN xxx • xxx E. j'��_,ll ed 4„40 We m«. CONTRACT SITE DESIGNATION:DRAINAGE BGY338-,1u 513i,5,000 513445,993 FAx PRAWNS r".....-, �'WM DATE REVISION DESCR/PTION ov 11 11 r