DRAUGHTSMAN CIVIL THEORY VOCATIONAL EDUCATION Higher Secondary - First Year APublicativn un Goveramentof Tarilna Distribution of Free Textbook Programme (SOT VOR SALLY Untouchability is. sin Untouchability isa crime Untouehability is inhuman 'TAMLLNADU TEXTBOOK CORPORATION College Road, Chennai - 610 906, & Government of Tamilnadu First Faition - 2019) CHAIRPERSON Mrs. M. SATHIAVENT Chairperson Head of she Department (Civil) Cental Polytechnic College, Vhatemand, Chena -600 113. AUTHORS My K. Senthilvelan Mrs. $. Deepa Patchiammat Vocational Teacher Nocatioual Teacher General Cariappa Lit, See, Schoo. ALC Girls Hit. See. Schoo. Soligramam, Chennai - 600093. Block 11, Neyveli- 607 803. Me R. Ravi Mr. A.Tamilselvan ‘Vocational Teacher Vecationai Leacher, Sengunthar Magasana Ilr. See, School RN, Govt, Boys Ek, Sec, School Thatamangulam, Aykkevan Pulam 2 Salem Dist - 636 502 Nagai Dist. 614 707. Mr. VV, Balaji Vocational Teacher Govt. HeSee.School, Mettur Dan Salem Dist. - 636401 TThis book has been prepared by The Directorate of Schoo! Education ‘on behalf of the Goverument of lunilnady This book has been printed on 60 GSM Paper Printed by Offset at DRAUGHTSMAN CIVIL Syllabus for XA Standard GINEFRING DRAWING wert LA. Drawing instroments aud (heir uses: qin -Sel Seue-Promacler-Minidalter nar Pap Fastsucrs LDesosing -Draveing izstrmcors - Deseing Hound —Te pl -Freach eurvas-Seeles Compass Divider Draw'ng Peni: BUILDING MATERIALS ure 2.1 Stones Introduction Chisiiicatin oftoeks sex ufstours-requivement of good h.FIing sn sane arc heir uses Amaia’ somos Types until stom Ma uses lyse 2.2 Beieks dsumtacte of bricks - Busing oF sks and dheiruses tnvodnecion -DeSiniion- Size ani weigh of bak - brie bricks - Classification bricks - Mraperies of good buick typeso unir-1n 3.1, CEMENT Inemiduction — Type Cement Naural Csrevst Artie! Cetsent —'Ippes a Anil cermen, Tiel Teat fir Cement 32. Mortars {Yatrocuetion -Propariss of goed montar—‘lypes of worte -prcpanaton offcoucem Moviay- Uses of smertar- precautions ir.using mortar Tes for rar Concrete Wher ams r= Tourn -fayrediersin comensio-Thulkingo suné-Crakng of ager ‘Sump vl -Presuraion a ermerety- Hed meg Mut ‘eonsidativn ol coarpaction il mereie- curing of eunerete- Propartigs of eement camer Types u“emerete Suey precausiom ls aken UNIT-1v 4A, TIMBER, Tnsroduction - toy of dinker im vonstructioa ~'Iyes af tember - Detects in tincber -Sesscming a linther-ObjestsoF ceasing Methods oF seacueing of tinker -Iednstria tenbersoe Tnibe: prot 42. Lime Trunsuctiog.- Types Fim -Thieronceaetnees Tal ie ulna ime preparation Kime 43. Tiles Tnhogieeton - Tynes of Tiles — Prin Ties - Flac tseand so iles—Differem Tynes oF oof BUILDING CONSERUCTION uNtr-¥ 3.1. Foundation tm lake Sundetion, edactiony- objec! - Tyres of Prundetion -ShatlawsFoundatou = Deen Joundaton 52. Sone Masonry Jatedne.on “lems usod ia Stone masonry De eols so in stone nnsoury ane thexr wes, casing of tones ~Cless feation of sto%e aasoney 53. Brick Masonry ‘masonry and bei Jecodnetiou Teems usod in biel masomry -ypes of Bonds Looks used it bi ses Difbrence betwecn Sayne masonry’ and Beck meee UNIT-VI 6.1, Lintels and Arches sitions ef linge Innrodctor- Terra used in Arches -Iypos of Aches -Lintels Ca bere Araho# ad J nies 6.2. Curpentry and Joinery Innveduetion ~foumns used in eompoetry~prinsiples governing the eoawinuction of jainls~ Types of sondern joins 63,Duors and Windows Tnirodsiry = Terms age: Paxanand indo se ad won fF Dowrs= Types nl winds -Visares fs doors une indo LEN Dopreun windows Tepes Dotan chs unir-vit STAIRS Introdnetion + Horm used fa salts ~ Location of sta.18- yes ot Sscalers 172, Kloorsand Flooring {nuredncton- satisy of goad flois- Eneteas which govcarcbe selection of-ypeo: néflcoting “Lypes of Mateialsused to Hooting - Foo” Snshing and floor cover UNIT =v BLALTOCAD Feroduntias-Advantages ol using AUTOCAD .s23 Ceafting in AUTOCAD -Cossmands- Limits -Vunetion Keys Mle msusgement Drawing Coromands 82, ALTO CAD CONTINUALLON Modiiyurtiditcommends- coming Optous-DimensionManagements—Lave: diting Commands - Isometvie ding - Onlcgraphie Projecto PREFACE Theta ef Leginesny studiesis sly Tigh, Pow shih Cis Tegner salenieshon lavethe ‘eleva books For tbezenged, Civil inaiaeering vitor a Lnivensal S abject endo Gnvermune faction setian. porting Baiiding Msintwnance ane sorbed in this bok. al Eduoat.onin schol Jove have Scan sartec i L978, Dranglisen Civ and Tse nginer’r Drang, Ailing Mute“ulsamd Pricice md AUTO CAD aroiplrlinlestin come day tn day Ti Thiderswinding thecxrwepcof Civil DepartmennsTbus, hie bok fas ee grep in din each chayter with due mgortanceure ver tn gar diggracanl qnesons, Now hesitation ha casa by inparing Technica! Bdusaionsnly To gh Page Colleges. Aupresecn, sucanta who have sre in Voatioual groups ze dacerven to adaussin at Plgtechaie sane 103 opportunity ace beat mt sinecvely convey my thanks esseemodso (20 cacel Hdncation Ditecevanc Joie rccto: ‘whose partonaye on this book iscomscut ae ae ceranitiss of learacd Lewchers who shakderné tke espe lo ing he Fask t-2003 ap, “Tho sualert community wibapyreuiale en:ake had ofthe uch ts misdera veld. M.SATHIAVENL Chairpetsoe Lt Tira CONTENT Busic Engineering, Drawing gTnstruunenty and eicir Tees 1.2: Lines and f.etering and Dimensioning 2.1. Stones 2.2. Bricks Units Cement $2. Mortars 43, Concrete Unie Ai. Timber 42. Lime 43, Ties Units $1. Frundutinn 5.2, Stone Masonry 5.3. rick Manwary Bu ding Materials Building Construction 29-38 w-s0 4-99 90-94 95-108 109-123 Ing 9 Lite 6.1. Arches und Lines 6.2. Carpentry ana oivery 6.3. Tors and Winders nit? 2. Floars and Flooring nics S..Ante CAD 32, Auto CAD Comiinuation 140-130 151-136 157-198 A79-187 183-199 200-26 UNIT-T BASIC ENGINEERING DRAWING: 1.1, DRAWING INSPFRUMENTS AND THELR USES 1.1.1 DRAWING Taz odjectin diawa ina paper and the eprescenati ig called drawn, Dra sie ina Foe pas Vy Ani Theandig 2 Gears Doe y bapineering xing LAr Dae Theshapeor pbjecus ed the univers like Trees, Anica lls al sees ot “age uve a inaeperand the rpsusersacion is callsd Aut Des 2.00 weal Drawing ‘The etsmstrva renesertation vealed car ad He avering Dowwing he nginering reas! lea Puig esckine etic Fey.) re day sl shows paper isolie’ Trg ering Pras 1.1.2. DRAWING INSTRUMENTS Wutde aeulry ul Tmpieesing wochawa dramiag ina simple may and teazceurceyTaee as nay sessing inseam are use 1.1.3. DRAWING BOARD Drnoving bese iv reecans leushape, thay ereirsue uparsont andl Paw, Quk ard Licoien, Tissvoid eawhs tthe hour they arewined hy To he toa aottinn athe boast i ifort 1 sso of while na sel Cries ny se i oizel a Iheedgeo ‘be bur uri iserose 9 Boned s.ane, "Lbs head of hel” square istited secucely atte ebay exe ut Dest, boned ade ose: be moved frent exc wae aocouling wi te nec eesty Drawing Bord isvaiahein sevarald-meashins, shesize ofdrawing board varies aanding’ \besiavol dmg shoe, baad even below Lan sald sitions (IS-1444-19970 the revommernaed sie Anan, Name ol Board SizeofDrawingsbect | Lough x Brendth x thickness of (2) Designation tobe used Board size (man) Dy A, 15005 1009 2 », A 1000 A, 700 e500 xis 3, A 300 x38) x IF Tncolleyenil school D, sia rowing bard ised 114 SQUARE Working cdge-—_, Fig, (61.2 Tsquure 2 Blade