Talk:CAD standards

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Intro[edit]

I think the introduction sentence is ambiguous. In my opinion this page should only talk on how the documents/data created by a CAD system should look like or contain, but not on how to exchange the data and in which format. For this we have the pages CAD data exchange and Category:CAD_file_formats. So I propose to change the introduction in this direction. Lothartklein 21:46, 24 January 2007 (UTC)

who's Standards???[edit]

This article needs to be clear about who's standards are being referenced. There are documents that appears to be US Military standards which are not labeled as such and it's confusing as to if these are American standards, US Military worldwide or what. —Preceding unsigned comment added by 70.244.183.6 (talk) 12:43, 21 October 2010 (UTC)

AEC Cad Standards info[edit]

I removed the following info from the article. This info is to detailled. Only a summary of this info is acceptable. -- Marcel Douwe Dekker (talk) 18:44, 11 February 2009 (UTC)

  • United States of America, Department of Defense,The CADD/GIS Technology Center for Facilities, Infrastructure, and Environment:

The following is an abbreviated discussion of AEC Cad Standards4 layer naming conventions.

AEC Cad Standards are National Cad Standard (NCS) compliant (version 3.1) indicated by a seal on the cover of this government publication4. If you do any federal/state government work you will need to comply with the AEC layer naming standards. Any layer naming standards that are NCS compliant follow a format3 that contains a Discipline Alpha – Major Group5 – Optional Minor Group1,5 – Optional Secondary Minor Group – and an optional status Alpha2 (e.g.: A-WALL-FULL-TEXT-N). All layer names must contain a discipline field and a major field (mandatory fields). Major Group5 may not be user definable. The first Minor6 group is optional but may be user definable to the extent it follows the ANNN format (Alphabet and 3 digit Arabic numerals) and defines View major groups of DETL, ELEV, SECT. The second Minor Group is user definable and “field codes may be four alphabetic and/or numeric characters (0–9) and/or “~”.”3

Footnotes:

1-The 1st Minor Group

when modified, may be used ONLY to modify the prescribed drawing View Major Groups (DETL, ELEV, SECT ); the user modified 1st Minor Group may not be used with any other Major Group. The format of ANNN is also prescribed. It must consist of a single alphabetic character followed by a three-digit number between 001 and 999. The definition of ANNN is not prescribed; it must be defined by the user. The definition must be documented on the U.S. NCS Compliance Disclosure Statement for the project on which it is used.

2- Optional One Digit Status Fields

N New work E Existing to remain D Existing to demolish F Future work T Temporary work M Items to be moved X Not in contract 1-9 Phase numbers

3- Examples of a valid layer names are

A-ANNO, A-WALL-FULL-TEXT-D, A-ANNO-SYMB, A-ELEV-SIGN, A-PRKG-MARK-STRP

4- A/E/C CADD Standard, Release 3.0., September 2006,

The CADD/GIS Technology Center for facilities, infrastructure, and environment, Appendix A, Model File Level/Layer Assignment, Tables [AEC Standards are specifically not copyrighted. This Government publications says “Approved for public release; distribution is unlimited.”] [[1]]

5- Valid major groups include

ACCS ACID AERI AFFF AFLD AFRZ ALGN ALRM ANNO APRN AREA ARMR BEAM BECH BELL BLDG BORE BORW BRAC BRDG BRIN CABL CATH CATV CCTV CHAN CHEM CLNG CLOK CMPA CNDW CO2S COLS COMM CONS CONT CRPT CTRL CVAL CWTR DECK DECN DETL DIAG DICT DISC DISP DOMW DOOR DRED DTCH DUAL DUCT DUST ECCO ELEV EMCS EQPM EROS EXHS EXST FABR FIXT FLHA FLOD FLOR FLRG FNDN FSTN FUEL FURN GATE GLAZ GLYC GRAD GRID GRLN GRND GTHP H2OC HALN HCSF HCSW HELI HTCW HVAC HWTR HYDR JOIS LEVE IGAS INDW INSL INTC IRRG JACK JNTS MAIR MATL LGAS LITE LOGS LSFT LTNG LUBE MACH NORM NURS MDGS MILR MITR MKUP MNST MONO NGAS PLAS PLAT OBST OTLN OVRN PADS PENE PIPE PLAN PROP PROT PLNT POLL POWR PRIM PRKG PROC PROJ RIVR ROAD PVMT RAIL RAIR RATE RCOV REFG REIN SECD SECT ROOF RRAP RUNW RWTR SAFE SAMP SANR SPCL SPRN SERT SHTP SIGN SITE SLAB SMOK SOUN SURV SYST SSNS SSTR SSWR STEM STIF STOR STRM TVAN WALL TABT TAIR TAXI TILE TOPO TRAF TRUS WATR WELL WETD WETL WWAY

6- Valid minor groups include

ACNT ADIT ADPC AFFF AFTR AIRQ AIRS ALOW ALRM ANCH ANOD APPR ARMS ARTW ASPH ASR~ ATTB AUGR AXIS AXLE BAFL BANK BARR BASE BASN BATP BCNS BDRY BEAM BEAR BEDS BELT BENT BERM BIOL BKLN BLBD BLDG BLIN BLKH BLST BMRK BNCH BNDY BOGS BORE BOTD BOTM BRDG BRNG BRRW BSHG BUOY BURR BUSH BUSW BWTR CAMS CARS CASE CAVI CDFF CELL CERM CHAM CHAN CHLD CHRD CHUT CIPR CIRC CLEV CLHD CLNG CNDS CNSL CNST CNTE CNTJ CNTL CNTR CNTT COAX COFF COMB COMP CONC COND CONE CONN CONS COOR COPP COPY CORE COVR CPIP CRAN CRNG CRNR CRTS CTLJ CTNR CTRJ CULV CURB CURR CURT CWMG CWTR CYLD DACL DAM~ DATA DDIV DECK DEFL DENS DEVC DIA~ DIAG DIAP DIES DIMS DISC DISP DIST DLPH DMPR DOCK DOOR DRAN DRVE DSGN DTMO DTMP DTMT DUCT DVDK EDGE EGRE ELIN EMBD EMER ENCL EQPM EQUI ESMT EVTR EWAT EXCV EXIT EXPJ EXPN EXST EXTN EXTR EYEW FDFF FDTA FEED FENC FEND FENS FIBR FILD FILT FIRE FISH FIXD FIXT FLDR FLDS FLNE FLNG FLOR FLOW FLUM FLYS FMON FNSH FORM FOXH FPIP FRAM FREE FRMG FSTN FTNG FTTG FULL FURN GABN GAGE GARD GATR GEAR GENL GENR GGEP GIRD GLRY GPRO GRAB GRAL GRBM GRID GRIL GRND GRPH GRTG GRVL GTXL GUDG GUTR GWTR HAZM HAZW HCPT HDWL HEAD HOIS HOLD HOLE HOOK HORZ HOSE HPIP HRAL HTCH HUMK HVPT HWTR HYDR ICST IDEN IDPL INDX INFO INLT INPD INPR INTK JACK JAMB JBOX KEYN KEYS LADD LAGN LALO LAND LDTA LEAC LEVL LIFT LIMT LINE LINO LINR LITE LOAD LONG LPIP LROT LTCH LUBE LWTR MAGN MAIN MAJR MARK MASK MATC MATS MBND MCUT MEDI METR MHOL MINR MISC MISM MITR MITS MLCH MOIS MONO MONT MOOR MOTR MOVE MPIP MRKG MRSH MSE~ MULT MUNT NAID NEST NITF NITG NONL NOTE NOVR NOXG NPLT NPOT NUMB OCCP OGEP OHWM OPEN OPNG ORIG OTHD OTHR OTLN OVHD OXYG PANL PARA PATH PATT PCAP PCSN PCST PEDS PENS PERC PERI PERM PHOL PHON PHOT PIER PILE PIN~ PINS PIPE PITS PIZO PL~~ PLAY PLNT PLTS PNLS PNPT PNTL POLE POOL PORC POST POTN POWR PRCH PRED PRHT PRIM PULL PUMP PUSH PUTS PVMT QOIN QTRS QTST QUAR RAIL RAIS RBAR RDFF RDME REFR REIN RELA REQD RETN RFDR RIBS RISR ROCK ROLL ROOF ROOM RPRN RRAP RTST RTWL RUBB RVMT RWAY SAIR SATS SCHM SCLN SEAL SEAT SECD SECT SECU SEDI SERV SFFT SHAD SHAP SHEA SHLD SHOE SHOR SHWR SIDE SIGN SILL SILT SITS SKIN SLGH SLOG SLOP SMOK SOIL SOLI SOUN SPCL SPKL SPOL SPOT SPPT SPRG SPRT SRFL SSLT STAN STAT STEM STIF STNS STON STOP STOR STRC STRG STRK STRS STST STUC STUD SUBD SUBS SUPP SURF SUSP SWAY SWCH SWMP SWTR SXTS SYMB SYST TAGS TANK TDZM TEES TEND TERM TERR TEST TEXT THBL THER THRS TILE TOE~ TOP~ TPTN TRAF TRAK TRAN TRAV TRAY TRCH TREE TRIM TRMT TRSH TRST TRUN TRVL TSHP TTLB TUNL TURF TURN TYPA TYPB TYPC UNDR UNDS UPVD URAC UTST UWTR VACU VALT VALV VCOR VCPT VEGE VENT VERT VNYL VOID VTST WALK WALL WASH WAST WATR WDFF WDWK WEB~ WEIR

Architectural Scales

1:4 [3"=1'-0"] 1:8[1-1/2"=1'-0"] 1:12 [1"=1'-0"] 1:16 [3/4"=1'-0"] 1:24 [1/2"=1'-0"] 1:32 [3/8"=1'-0"] 1:48 [1/4"=1'-0"] 1:96 [1/8"=1'-0"] 1:192 [1/16"=1'-0] 1:120 [1/10"=1'-0"] 1:128[3/32"=1'-0"]1:240[1/20"=1'-0"]

--41.210.12.178 (talk) 22:46, 2 February 2009 (UTC)