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SDRE also fixes design wind velocity and sources it from SS EN 1991-1-4 with Singapore National Annex, plus minimum reinforcement yield strength, concrete grades, dimensional units, and compliance requirements for aluminium sheets.",{"@graph":14,"@context":71},[15,34,54],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/research-report/","Research & 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NOTES\n\n1)THE STANDARD DETAILS OF ROAD ELEMENTS(SDRE)ARE APPLICABLE TO ALL ROADINFRASTRUCTURE PROJECTS.  \n2)PRIOR APPROVAL SHALL BE SOUGHT FROM LTA FOR ANY CHANGES TO THE FORM,SHAPE&DIMENSIONS OF THE ELEMENTS IN SDRE.  \n3)FOR THEADOPTION OF DETAILS IN THE SDRE THAT REQUIRES SUBMISSION TO THEBUILDING &CONSTRUCTION AUTHORITY(BCA)AS STIPULATED IN THE BUILDING CONTROL ACT,THE PE/QP SHALL BE RESPONSIBLE FOR THE DESIGNS OF ALL STRUCTURAL AND GEOTECHNICALWORKS INACCORDANCE WITH THE REQUIREMENTS IN THE BUILDING CONTROL ACT.  \n4)FOR THE ADOPTION OF DETAILS IN THE SDRE THAT DO NOT REQUIRE SUBMISSION TO BCAAS STIPULATED IN THE BUILDING CONTROL ACT,THE QP/PE SHALL CHECK THE SITECONDITIONS AND VERIFY THAT THE STRUCTURAL/GEOTECHNICAL DETAILS FALL WITHIN THEDESIGN ASSUMPTION/PARAMETERS.HE SHALL ENDORSE THE AS-CONSTRUCTED DRAWINGS OFTHE ELEMENT UPON COMPLETION AND SUBMIT TO LTA.  \n5)THE CHARACTERISTIC 10-MINUTE MEAN WIND VELOCITY FOR DESIGN OF STRUCTURES IN THESDRE AND FIXINGS SHALL BE 22m/s.THE WIND ACTIONS SHALL BE DERIVED FROM SS EN 1991-1-4AND IT'S SINGAPORE NATIONAL ANNEX.  \n6)THE SDRE SHALL BE READ IN CONJUNCTION WITH THE LTA MATERIALS AND WORKMANSHIP(M&W)SPECIFICATIONS AND DESIGN CRITERIA.  \n7)ALL CROSS REFERENCES BETWEEN STANDARD DETAILS SHALL BE TO THE LATEST REVISION.  \n8)ALL STANDARDS AND CODES REFERRED SHALL BE THE LATEST VERSION.  \n9)ALL DIMENSIONS SHOWN ARE IN MM UNLESS OTHERWISE STATED.  \n10)THE FOLLOWING CONCRETE GRADES SHALL BE USED,UNLESS OTHERWISE STATED:  \nREINFORCED CONCRETE-C25/30  \nMASS CONCRETE-C16/20  \nLEAN CONCRETE-C12/15  \n11)THE MINIMUM CHARACTERISTIC YIELD STRENGTH OF THE REINFORCEMENT BARS SHALL BE 500 N/mm².  \n12)ALL CORNERS OF TRAFFIC SIGNS ARE TO BE OF 50mm RADIUS AND ON EXPRESSWAYSTHE 600mm X600mm TRAFFIC SIGNS SHALL BE INCREASED TO HAVE DIMENSIONS OF900mmX900mm.  \n13)ALL ALUMINIUM SHEETS SHALL COMPLY WITH BS EN 485,BS EN 515 AND BS EN 573.  \n# TABLE OF CONTENTS\n\n\n| CHAPTER NO.  DRAWING TITLE   | CHAPTER NO.   DRAWING TITLE   |\n| --- | --- |\n| 1  \u003Cbr>PAVEMENTS OF ROADS  \u003Cbr>FLEXIBLE PAVEMENT,RECAMBERING &WIDENING OF CARRIAGEWAY  \u003Cbr>RIGID PAVEMENT (SHEET 1 OF 2)  \u003Cbr>RIGID PAVEMENT(SHEET 2 OF 2)  \u003Cbr>PUBLIC LIGHTING  \u003Cbr>TRAFFIC LIGHT CABLE  \u003Cbr>2  \u003Cbr>DRAINS &CULVERTS  \u003Cbr>PRECAST CONCRETE CHANNEL AND DRAIN  \u003Cbr>CAST-IN-SITU BOXCULVERT  \u003Cbr>PRECAST OPEN U-DRAIN  \u003Cbr>PRECAST SLABBED OVER U-DRAIN  \u003Cbr>PRECAST CONCRETE DROP-INLET CHAMBER  \u003Cbr>SUB-SOIL DRAIN AND SUMP ALONG EXPRESSWAY  \u003Cbr>SUB-SOIL DRAIN AND SUMP ALONG MAJOR ARTERIAL  \u003Cbr>3  \u003Cbr>KERBS &FOOTPATHS  \u003Cbr>KERBS  \u003Cbr>KERB PAINTING (SHEET 1 OF 2)  \u003Cbr>KERB PAINTING (SHEET 2 OF 2)  \u003Cbr>CIVIC DISTRICT KERB-TYPE C1,C2,C3&C4  \u003Cbr>FOOTPATH RAMP-TYPE 1 PEDESTRIAN CROSSING POINTS  \u003Cbr>FOOTPATH RAMP-TYPE2PEDESTRIAN CROSSING POINTS  \u003Cbr>FOOTPATH RAMP-TRAFFIC ISLAND  \u003Cbr>FOOTPATH RAMP-SIDE ROAD  \u003Cbr>F⁰OTPATH RAMP-DRIVEWAY  \u003Cbr>FOOTPATH/DRIVEWAY RAMP BESIDE OPEN DRAIN  \u003Cbr>CAST-IN-SITU CONCRETE PAVEMENT  \u003Cbr>HOMOGENEOUS TACTILE TILES AND ARRANGEMENT OF TACTILE TILES  \u003Cbr>KERB WITH SLOT HOLES   | GRATINGS &MANHOLE COVERS  \u003Cbr>4  \u003Cbr>PEDESTRIAN GRATING FOR SUMP/DRAIN-WITHOUT MILD STEEL PLATE  \u003Cbr>PEDESTRIAN CONCRETE IN-FILL GRATING FOR SUMP/DRAIN  \u003Cbr>FRAME FOR PEDESTRIAN GRATING  \u003Cbr>VEHICULARGRATING FOR MANHOLES (SHEET10F2)  \u003Cbr>VEHICULAR GRATING FOR MANHOLES(SHEET 2 OF 2)  \u003Cbr>VEHICULAR GRATING FOR DRAINS (SHEET 1 OF2)  \u003Cbr>VEHICULAR GRATING FOR DRAINS (SHEET 20F2)  \u003Cbr>MANHOLE COVER AND FRAME  \u003Cbr>ROADSIDE MANHOLE GRATING  \u003Cbr>RAILINGS  \u003Cbr>5  \u003Cbr>PEDESTRIAN ALUMINIUM ALLOY RAILINGS-TYPE A,B,C,D,E&F(SHEET 1 OF 2)  \u003Cbr>PEDESTRIAN ALUMINIUM ALLOY RAILINGS-TYPE A,B,C,D,E&F(SHEET 2 OF 2)  \u003Cbr>6  \u003Cbr>GUARDRAILS  \u003Cbr>VEHICULAR IMPACT GUARDRAILS-TYPE A&B TERMINALS  \u003Cbr>VEHICULAR IMPACT GUARDRAILS-CRASH CUSHION  \u003Cbr>CONCRETE BARRIER AT CENTER MEDIAN  \u003Cbr>ARRANGEMENT AND CONNECTION DETAILS OF VEHICULAR IMPACT GUARDRAILS  \u003Cbr>VEHICULAR IMPACT GUARDRAILS-","cbCaicn4cmp9yqMu","https://ap.wps.com/l/cbCaicn4cmp9yqMu","pdf",916479,"English","# GENERAL NOTES\n## Applicability and change control\n## Design responsibility and submission requirements\n## Wind and code basis\n## Materials, dimensions, and compliance rules\n# TABLE OF CONTENTS\n## Pavements, drains & culverts\n## Kerbs & footpaths; gratings & manhole covers\n## Railings and guardrails\n## Directional signs; road markings & signs\n## Traffic management measures; supports for signs","[{\"question\":\"What is the applicability scope of SDRE?\",\"answer\":\"SDRE applies to all road infrastructure projects.\"},{\"question\":\"When is prior approval from LTA required?\",\"answer\":\"Prior approval must be sought from LTA for any changes to the form, shape, or dimensions of elements in SDRE.\"},{\"question\":\"What design wind velocity and code basis does SDRE specify?\",\"answer\":\"SDRE specifies a characteristic 10-minute mean wind velocity of 22 m/s and derives wind actions from SS EN 1991-1-4 with the Singapore National Annex.\"}]","Standard Details of Road Elements (SDRE) - April 2024 Edition - General Notes | PDF",15]