TxDOT District

Houston District Standards

The following Houston District Standard Sheets are provided in MicroStation SE (V. 05.07.01.14) design file format (.DGN). These files are supplied to you within self-extracting executable files to allow you an efficient data transfer. Double–clicking on the .EXE file after you receive it will "unpack" it into the design file(s) listed.

Houston District Standards – Plan Review Section

Date of Last Upload 2024	Acronym	Description of the Standard(s) contained in the design file.	PDF Format 2014	DGN Format 2014	Date of Last Upload 2024	PDF Format 2024	DGN Format 2024
*PAVING*
08/2014	CRCP-HS	CONTINUOUSLY REINFORCED CONCRETE PAVEMENT HOUSTON SUPPLEMENT	STDB1A.PDF STDB1B.PDF	STDB1.DGN
1/1/2014	JRCP	JOINTED REINFORCED CONCRETE PAVEMENT DETAILS	STDB2A.PDF STDB2B.PDF	STDB2.DGN
1/1/2014	WFPT	WIDE FLANGE PAVEMENT TERMINALS FOR CONTINUOUSLY & JOINTED REINFORCED CONCRETE PAVEMENT DETAILS (FOR USE AT BRIDGE END OR PAVEMENT TERMINUS)	STDB3A.PDF STDB3B.PDF STDB3C.PDF	STDB3.DGN
1/1/2014	CRCP-FT	FAST TRACK CONTINUOUSLY REINFORCED CONCRETE PAVEMENT DETAILS	STDB4.PDF	STDB4.DGN
1/1/2014	CPJ	CONCRETE PAVEMENT JUNCTURES	STDB5A.PDF STDB5B.PDF	STDB5.DGN
1/1/2014	CSBE-RW	CEMENT STABILIZED BACKFILL EMBANKMENT (FOR USE WITH BRIDGE RETAINING WALLS AT BRIDGE ABUTMENTS)	STDB6.PDF	STDB6.DGN
1/1/2014	CSBE	CEMENT STABILIZED BACKFILL EMBANKMENT (FOR USE WITHOUT RETAINING WALLS AT BRIDGE ABUTMENTS)	STDB7.PDF	STDB7.DGN
1/1/2014	DD	DRIVEWAY DETAILS	STDB8A.PDF STDB8B.PDF STDB8C.PDF	STDB8.DGN
1/1/2014	CC & DID	CONCRETE CURB AND DIRECTIONAL ISLAND DETAILS	STDB9.PDF	STDB9.DGN	11/2024	STDB9.PDF	STDB9.DGN
1/1/2014	BAS-A	BRIDGE APPROACH SLAB ASPHALTIC CONCRETE PAVEMENT	STDB10A.PDF	STDB10A.DGN
1/1/2014	BAS-C	BRIDGE APPROACH SLAB CONCRETE PAVEMENT	STDB10B.PDF	STDB10B.DGN
1/1/2014	HOU-U-CURB	U-TURN CURB DETAIL NEW CONSTRUCTION	STDB11.PDF	STDB11.DGN
1/1/2014	CSBE-RWAFP	CEMENT STABILIZED BACKFILL ENBANKMENT (FOR USE WITH RETAINING WALLS AWAY FROM PAVEMENT)	STDB12.PDF	STDB12.DGN
9/2014	HOU-MEDNS	MEDIAN NOSE DETAIL	STDB13.PDF	STDB13.DGN
*BARRIER*
1/1/2014	PSSCB-JJ	PRECAST SINGLE SLOPE CONCRETE BARRIER (J-J HOOK CONNECTION)	STDC3A.PDF STDC3B.PDF	STDC3.DGN
1/1/2014	SSCB(2)-HOU	SINGLE SLOPE CONCRETE BARRIER TYPE 2 (CAST-IN-PLACE)	STDC4.PDF	STDC4.DGN
1/1/2014	BTD	BARRIER TRANSITION DETAILS (SSCB TO CTB)	STDC5A.PDF STDC5B.PDF	STDC5.DGN
*INLETS AND MANHOLES*
10/2014	HIL-C	CURB INLET TYPE C (WITH OR WITHOUT EXTENSION)	STDD1.PDF	STDD1.DGN
1/1/2014	HIL-C1	CURB INLET TYPE C1 (WITH OR WITHOUT EXTENSION)	STDD2.PDF	STDD2.DGN
1/1/2014	EXC-EPL	DETAILS FOR ADDING EXTENSIONS AND CURB INLETS AT EXISTING PAVEMENT LOCATIONS	STDD3.PDF	STDD3.DGN
1/1/2014	HIL-A	INLET TYPE A	STDD4.PDF	STDD4.DGN
1/1/2014	HIL-AD/AAD	INLETS AD & AAD	STDD5.PDF	STDD5.DGN
1/1/2014	HIL-AZ	INLET TYPE AZ	STDD6.PDF	STDD6.DGN
1/1/2014	HIL-AZ2G	INLET TYPE AZ2G	STDD7.PDF	STDD7.DGN
1/1/2014	HIL-AZR	INLET TYPE AZR	STDD8.PDF	STDD8.DGN
1/1/2014	HIL-AZR2G	INLET TYPE AZR2G	STDD9.PDF	STDD9.DGN
1/1/2014	MH-A/B	MANHOLES TYPES A&B	STDD10.PDF	STDD10.DGN
1/1/2014	MSD	MISCELLANEOUS SEWER DETAILS	STDD11.PDF	STDD11.DGN
1/1/2014	GD	GUTTER DEPRESSION DETAILS FOR CURB INLETS	STDD12.PDF	STDD12.DGN
1/1/2014		JUNCTION BOX DETAILS	STDD13A.PDF STDD13B.PDF	STDD13.DGN See Junction Box Design Calculations
1/1/2014	TDD	TRENCH DRAIN DETAILS	STDD14A.PDF STDD14B.PDF	STDD14.DGN
1/1/2014	IL-A (SPL) TDC	TYPE A SPL INLET - TRENCH DRAIN CONNECTION	STDD15.PDF	STDD15.DGN
*STRUCTURAL DETAILS*
1/1/2014	E&BD	EXCAVATION AND BACKFILL DIAGRAMS	STDE1A.PDF STDE1B.PDF	STDE1.DGN	11/2024	STDE1.PDF	STDE1.DGN
1/1/2014	IACB	INTERLOCKING ARTICULATING CONCRETE BLOCKS	STDE2A.PDF STDE2B.PDF STDE2C.PDF	STDE2.DGN
1/1/2014	FD	FLUME DETAILS	STDE4.PDF	STDE4.DGN
1/1/2014	MS	MOW STRIP	STDE5.PDF	STDE5.DGN
*SANITARY SEWER AND WATER LINE STANDARDS*
1/1/2014	SSD-1	SANITARY SEWER DETAILS	STDF1.PDF	STDF1.DGN
1/1/2014	SSD-2	SANITARY SEWER DETAILS	STDF2.PDF	STDF2.DGN
1/1/2014	SSD-3	SANITARY SEWER DETAILS	STDF3.PDF	STDF3.DGN
1/1/2014	SSD-4	SANITARY SEWER DETAILS	STDF4.PDF	STDF4.DGN
1/1/2014	WLS-11	WATER LINE STANDARDS	STDF5.PDF	STDF5.DGN
*MISCELLANEOUS*
1/1/2014	CLF	CHAIN-LINK BARRIER FENCE (4 AND 6 FOOT HEIGHT)	STDG3.PDF	STDG3.DGN
1/1/2014	ECL-12	EROSION CONTROL LOG	STDG4A.PDF	STDG4A.DGN
8/2014		HARRIS COUNTY OUTFALL DETAILS. THESE DETAILS ARE FOR USE ONLY IN HARRIS COUNTY.	STDG5A.PDF STDG5BA.PDF STDG5BB.PDF STDG5CA.PDF STDG5CB.PDF STDG5D.PDF STDG5E.PDF	STDG5.DGN
1/2014		OUTFALL DETAILS (BRAZORIA, FORT BEND, GALVESTON, MONTGOMERY, AND WALLER). THESE DETAILS ARE AVAILBLE FOR USE IN ALL COUNTIES WITH THE EXCEPTION OF HARRIS COUNTY.	STDG6A.PDF STDG6B.PDF STDG6C.PDF	STDG6.DGN
*TRAFFIC CONTROL*
1/1/2014	TWRIP TC 2010-09 (1&2)	TWO-WAY ROADWAY INTERSECTION PHASING	STDH5A.PDF STDH5B.PDF	STDH5.DGN
1/1/2014	TCPTC 3050-96	BOULEVARD CLOSURES	STDH15.PDF	STDH15.DGN
1/1/2014	TEGS TC 6000-96	TEMPORARY EXIT GORE SIGN	STDH24.PDF	STDH24.DGN
1/1/2014	EGPM TC 6001-04	EXIT GORE PAVEMENT MARKINGS	STDH25.PDF	STDH25.DGN
1/2020	CSMD TC 8010-20	CONSTRUCTION SEQUENCE FOR MISCELLANEOUS DRIVES	STDH29.PDF	STDH29.DGN
1/1/2014	DS TC 8020-04	DRIVEWAY SIGNING	STDH30.PDF	STDH30.DGN
1/1/2014	TC(LP)	SIGNING ARRANGEMENT LITTER PICKUP TWO-LANE HIGHWAY	STDH31A.PDF STDH31B.PDF	STDH31.DGN
*BRIDGE*
1/1/2014	RWD-VS	RETAINING WALL DETAILS VERTICAL SCHEME GREEN RIBBON	STDJ1A.PDF STDJ1B.PDF STDJ1C.PDF	STDJ1.DGN
1/1/2014	RWD-HS	RETAINING WALL DETAILS HORIZONTAL SCHEME GREEN RIBBON	STDJ2A.PDF STDJ2B.PDF STDJ2C.PDF STDJ2D.PDF	STDJ2.DGN
1/1/2014	RWD-WS	RETAINING WALL DETAILS WAVE SCHEME GREEN RIBBON	STDJ3A.PDF STDJ3B.PDF STDJ3C.PDF	STDJ3.DGN
1/1/2014	MSRW-CSB	MECHANICALLY STABILIZED RETAINING WALL (CEMENT STABILIZED BACKFILL)	STDJ4.PDF	STDJ4.DGN
9/2014	SWD-VS	SOUND WALL DETAILS VERTICAL SCHEME GREEN RIBBON	STDJ5A.PDF STDJ5B.PDF STDJ5C.PDF	STDJ5.DGN
9/2014	SWD-HS	SOUND WALL DETAILS HORIZONTAL SCHEME GREEN RIBBON	STDJ6A.PDF STDJ6B.PDF STDJ6C.PDF	STDJ6.DGN
9/2014	SWD-WS	SOUND WALL DETAILS WAVE SCHEME GREEN RIBBON	STDJ7A.PDF STDJ7B.PDF STDJ7C.PDF	STDJ7.DGN
9/2014	SWD-N-GRBN	SOUND WALL DETAILS (NON GREEN RIBBON)	STDJ8.PDF	STDJ8.DGN
1/1/2014	SFC-VS	SURFACE FINISHES FOR CONCRETE VERTICAL SCHEME	STDJ9.PDF	STDJ9.DGN
1/1/2014	SFC-HS	SURFACE FINISHES FOR CONCRETE HORIZONTAL SCHEME	STDJ10.PDF	STDJ10.DGN
1/1/2014	SFC-WS	SURFACE FINISHES FOR CONCRETE WAVE SCHEME	STDJ11.PDF	STDJ11.DGN
1/1/2014	RW & EFI	RETAINING WALL AND EMBANKMENT FOUNDATION IMPROVEMENTS	STDJ12.PDF	STDJ12.DGN
1/1/2014	RW (CB)	Concrete Block Retaining Wall	STDJ13.PDF	STDJ13.DGN
	HOU-BDS-22	Standard Bridge Drilled Shaft Details	STDJ14.PDF	STDJ14.DGN
*LANDSCAPE*
6/26/2014		FERTILIZER, SEED, SOD, STRAW, COMPOST, AND WATER	STDK1.PDF	STDK1.DGN
1/1/2014		LANDSCAPE PAVERS	STDK2.PDF	STDK2.DGN	10/9/2024	STDK2.PDF	STDK2.DGN
1/1/2014		TREE PROTECTION	STDK3.PDF	STDK3.DGN
1/1/2014		PLANTING AND ESTABLISHMENT. EDIT SHEETS 3, 6, 7 & 8 of 8. TxDOT LANDSCAPE ARCHITECT TO DIRECT USE OF SHEETS 7 AND 8.	STDK4A.PDF STDK4B.PDF STDK4C.PDF STDK4D.PDF STDK4E.PDF STDK4F.PDF STDK4G1.PDF STDK4G2.PDF STDK4H.PDF	STDK4.DGN
1/1/2014		IRRIGATION DETAILS AND MATERIAL	STDK5A.PDF STDK5B.PDF STDK5C.PDF	STDK5.DGN
*TRAFFIC SIGNALS*
1/1/2014	SD/SCFD	SIGNAL DETAILS/STANDARDS CONTROLLER FOUNDATION DETAILS	STDM1.PDF	STDM1.DGN
1/1/2014	GBDI	SIGNAL DETAILS/STANDARDS GROUND BOX DETAIL INSTALLATIONS	STDM2.PDF	STDM2.DGN
1/1/2014	LDD	SIGNAL DETAILS/STANDARDS LOOP DETECTOR DETAILS	STDM3.PDF	STDM3.DGN
7/2014	CD/PMPS	SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED PEDESTRIAN SIGNALS	STDM4.PDF	STDM4.DGN
7/2014	CD/PM/PS	SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED VEHICLE AND PEDESTRIAN SIGNALS	STDM5.PDF	STDM5.DGN
1/2014	RFBA	SIGNAL DETAILS/STANDARDS ROADSIDE FLASHING BEACON ASSEMBLY	STDM6.PDF	STDM6.DGN
1/2014	RF/BA/SZ	SIGNAL DETAILS/STANDARDS ROADSIDE FLASHING BEACON ASSEMBLY "SCHOOL ZONE"	STDM7.PDF	STDM7.DGN
1/2014	CD/PMVS	SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED VEHICLE SIGNALS	STDM9.PDF	STDM9.DGN
1/1/2014	CD/TS/WP	SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR TRAFFIC SIGNALS (WOOD POLE)	STDM10.PDF	STDM10.DGN
1/1/2014	SHS/WMD	SIGNAL DETAILS/STANDARDS SIGNAL HEAD SPAN WIRE MOUNT DETAILS	STDM11.PDF	STDM11.DGN
1/1/2014	OSNS/MD	TRAFFIC SIGNAL LAYOUTS SIGNAL DETAILS/STANDARDS OVERHEAD STREET NAME SIGN MOUNTING DETAILS	STDM12.PDF	STDM12.DGN
1/1/2014	VC/MD	SIGNAL DETAILS/STANDARDS VIVDS CAMERA MOUNTING DETAILS	STDM13.PDF	STDM13.DGN
1/1/2014	SSR/AMD	SIGNAL DETAILS/STANDARDS SPREAD SPECTRUM RADIO ANTENNA MOUNTING DETAILS	STDM14.PDF	STDM14.DGN
1/1/2014	PWD	SIGNAL DETAILS/STANDARDS PEDESTRIAN WALKWAY DETAILS
1/1/2014	ABOD	ANCHOR BOLT ORIENTATION DETAIL	STDM16.PDF	STDM16.DGN
1/1/2014	CD/BI CDH/BI	SIGNAL DETAILS/STANDARDS (CONDUIT DETAILS) (CONDUIT HANGER DETAILS)	STDM17A.PDF STDM17B.PDF	STDM17.DGN
1/1/2014	LDDP	SIGNAL DETAILS/STANDARDS LOOP DETECTOR DETAILS PLACEMENT	STDM18.PDF	STDM18.DGN
7/2014	CD/PM(APS)PS	SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED (APS) PEDESTRIAN SIGNALS	STDM19.PDF	STDM19.DGN
7/2014	CD/PMV/(APS)PS	SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED VEHICLE AND (APS) PEDESTRIAN SIGNALS	STDM20.PDF	STDM20.DGN
*SIGNING AND PAVEMENT MARKINGS*
1/1/2014	PM(R&G)-10	PAVEMENT MARKINGS (RAMP & GORE DETAILS) and Typical Standard Pavement Markings
1/1/2014	SMD(BM-1)-04	BRIDGE MOUNTING DETAILS (FOR SMALL ROADSIDE SIGNS)	STDN7.PDF	STDN7.DGN	12/24	STDN7.PDF	STDN7.DGN
1/1/2014	SMD(BM-2)-04	BRIDGE MOUNTING DETAILS (FOR SMALL ROADSIDE SIGNS)	STDN8.PDF	STDN8.DGN	12/24	STDN8.PDF	STDN8.DGN
1/1/2014	SMD(CTB)-04	CONCRETE TRAFFIC BARRIER SIGN MOUNT	STDN9.PDF	STDN9.DGN	12/24	STDN9.PDF	STDN9.DGN
1/1/2014	CTB(OSB-1)-92	CONCRETE TRAFFIC BARRIER (ROADWAY CTB AT OVERHEAD SIGN BRIDGE TOWER CAST IN PLACE)	STDN10.PDF	STDN10.DGN	12/24	STDN10.PDF	STDN10.DGN
1/1/2014	CTB(OSB-2)-92	CONCRETE TRAFFIC BARRIER (ROADWAY CTB AT OVERHEAD SIGN BRIDGE TOWER CAST IN PLACE)	STDN11.PDF	STDN11.DGN	12/24	STDN11.PDF	STDN11.DGN
1/1/2014	R(LUC-1)-04	REGULATORY SIGNS (LANE USE CONTROL)	STDN15.PDF	STDN15.DGN	12/24	STDN15.PDF	STDN15.DGN
1/1/2014	TRM(1)-04	TOLL ROAD ROUTE MARKERS (FOR ATTACHMENT TO GUIDE SIGNS AND INDEPENDENT MOUNTING)	STDN16.PDF	STDN16.DGN	12/24	STDN16.PDF	STDN16.DGN
1/1/2014	TRM(2)-04	TOLL ROAD ROUTE MARKER AUXILIARIES	STDN17.PDF	STDN17.DGN	12/24	STDN17.PDF	STDN17.DGN
1/1/2014	M(MISC)-04	MISCELLANEOUS ROUTE MARKERS	STDN18.PDF	STDN18.DGN	12/24	STDN18.PDF	STDN18.DGN
1/1/2014	SMD(MISC)-14	MISCELLANEOUS SIGN MOUNTING DETAILS	STDN19.PDF	STDN19.DGN	12/24	STDN19.PDF	STDN19.DGN
1/1/2014	SMD(RSD)-96	ATTACHMENT DETAILS FOR MOUNTING SIGNS	STDN20.PDF	STDN20.DGN	12/24	STDN20.PDF	STDN20.DGN
1/1/2014	RSD(1)-17	ROUTING SIGN DETAILS (FOR ATTACHMENT ABOVE GUIDE SIGNS)	STDN21.PDF	STDN21.DGN	12/24	STDN21.PDF	STDN21.DGN
1/1/2014	RSD(2)-92	ROUTING SIGN DETAILS (ZOO SIGN DESIGN)	STDN22.PDF	STDN22.DGN	12/24	STDN22.PDF	STDN22.DGN
1/1/2014	AD-04	ARROW DETAILS (FOR DIAGRAMMATIC SIGNS)	STDN23.PDF	STDN23.DGN	12/24	STDN23.PDF	STDN23.DGN
1/1/2014	ER-FR(1)-09	SIGNING AND PAVEMENT MARKING DETAILS EXIT RAMPS – FRONTAGE ROAD	STDN25.PDF	STDN25.DGN	12/24	STDN25.PDF	STDN25.DGN
1/1/2014	ER - FR(2)-09	SIGNING AND PAVEMENT MARKING DETAILS EXIT RAMPS – FRONTAGE ROAD	STDN26.PDF	STDN26.DGN	12/24	STDN26.PDF	STDN26.DGN
1/1/2014	PM(DOT)-11	PAVEMENT MARKINGS (DOTTED EXTENSION DETAILS)	STDN28.PDF	STDN28.DGN	12/24	STDN28.PDF	STDN28.DGN
1/1/2014		SUMMARY OF SMALL SIGNS	STDN29.PDF	STDN29.DGN
1/1/2014	PM(CLL)-14	PAVEMENT MARKINGS (CONTRAST LANE LINES)	STDN30.PDF	STDN30.DGN	12/24	STDN30.PDF	STDN30.DGN
1/1/2014	PM(WAS)-07	PAVEMENT MARKINGS (WORDS, ARROWS, & SYMBOLS)	STDN31A.PDF	STDN31.DGN	12/24	STDN31.PDF	STDN31.DGN
1/1/2014	PM(SHIELD-1)-17	PAVEMENT MARKINGS (SHIELD)	STDN32.PDF	STDN32.DGN	12/24	STDN32.PDF	STDN32.DGN
1/1/2014	PM(SHIELD-2)-17		STDN33.PDF	STDN33.DGN	12/24	STDN33.PDF	STDN33.DGN
1/1/2014		SUMMARY OF LARGE SIGNS	STDN34.PDF	STDN34.DGN
1/1/2014		SUMMARY OF OVERHEAD SIGN STRUCTURES	STDN35.PDF	STDN35.DGN
1/1/2014	COSS & OSB-SZ-96	OVERHEAD SIGN STRUCTURE DETAILS (SPECIAL ZONE)	STDN36.PDF	STDN36.DGN
1/1/2014	OSB-HS	OVERHEAD SIGN BRIDGE COLUMN DETAILS HORIZONTAL SCHEME GREEN RIBBON	STDN37A.PDF STDN37B.PDF STDN37C.PDF STDN37D.PDF STDN37E.PDF	STDN37.DGN
1/1/2014	OSB-VS	OVERHEAD SIGN BRIDGE COLUMN DETAILS VERTICAL SCHEME GREEN RIBBON	STDN38A.PDF STDN38B.PDF STDN38C.PDF STDN38D.PDF STDN38E.PDF STDN38F.PDF	STDN38.DGN
1/1/2014	OSB-WS	OVERHEAD SIGN BRIDGE COLUMN DETAILS WAVE SCHEME GREEN RIBBON	STDN39A.PDF STDN39B.PDF STDN39C.PDF STDN39D.PDF STDN39E.PDF STDN39F.PDF	STDN39.DGN
1/1/2014	COSS-HS	CANTILEVER OVERHEAD SIGN STRUCTURE DETAILS HORIZONTAL SCHEME GREEN RIBBON	STDN40A.PDF STDN40B.PDF STDN40C.PDF	STDN40.DGN
1/1/2014	COSS-VS	CANTILEVER OVERHEAD SIGN STRUCTURE DETAILS VERTICAL SCHEME GREEN RIBBON	STDN41A.PDF STDN41B.PDF STDN41C.PDF	STDN41.DGN
1/1/2014	COSS-WS	CANTILEVER OVERHEAD SIGN STRUCTURE DETAILS WAVE SCHEME GREEN RIBBON	STDN42A.PDF STDN42B.PDF STDN42C.PDF	STDN42.DGN
1/1/2014	BT0SS-HS	BRACED TEE OVERHEAD SIGN STRUCTURE DETAILS HORIZONTAL SCHEME GREEN RIBBON	STDN43A.PDF STDN43B.PDF STDN43C.PDF	STDN43.DGN
1/1/2014	BTOSS-VS	BRACED TEE OVERHEAD SIGN STRUCTURE DETAILS VERTICAL SCHEME GREEN RIBBON	STDN44A.PDF STDN44B.PDF STDN44C.PDF	STDN44.DGN
1/1/2014	BTOSS-WS	BRACED TEE OVERHEAD SIGN STRUCTURE DETAILS WAVE SCHEME GREEN RIBBON	STDN45A.PDF STDN45B.PDF STDN45C.PDF	STDN45.DGN
1/1/2014	WRWY AR PM & SN @ ER-FR	TYPICAL LOCATION WRONG WAY ARROW PAVEMENT MARKING AND SIGNS AT EXIT RAMPS-FRONTAGE ROAD	STDM21.PDF	STDM21.DGN	12/24	STDM21.PDF	STDM21.DGN
1/1/2014	LMSS	LOW MOUNT (3ft) DO NOT ENTER & WRONG WAY SIGN SUPPORT	STDM22.PDF	STDM22.DGN	12/24	STDM22.PDF	STDM22.DGN