NATIONAL COMPETENCY STANDARDS
NATIONAL COMPETENCY STANDARDS
for
for
DRAUGHTSPERSON
DRAUGHTSPERSON
(Competency Standards Code: D45S007
(Competency Standards Code: D45S007
))
National Apprentice & Industrial Training Authority National Apprentice & Industrial Training Authority
971 Sri Jayawardenepura Mawatha 971 Sri Jayawardenepura Mawatha
Welikada Welikada Rajagiriya Rajagiriya
Ministry
ACKNOWLEDGEMENT ACKNOWLEDGEMENT Overall Direction Overall Direction Mr.Amal Mr.Amal Senalankadhikara Senalankadhikara
Chairman, National Apprentice & Industrial Training Authority. Chairman, National Apprentice & Industrial Training Authority. D
Drr..TT..AA..PPiiyyaassiirrii DDiirreeccttor or GGeneneerraall, , TTererttiiaarry y & & VVooccaattiioonnaal l EEdduuccaattiioon Cn Coommmmiissssiioonn.. Mr.
Mr. HectHector or HamacHamachandrhandraa ProjProject ect DirDirectorector, , TechnTechnical ical EducaEducation tion DeveDevelopmelopment nt ProjProjectect
Technical Support
Technical Support Name Name AddressAddress
M
Mr. r. SSununil il PPululllapapererumumaa SSenenioior r VVicice e PrPresesiidedentnt, , InInssttititutute e of of DrDrafaftitingng Technologists - Sri Lanka
Technologists - Sri Lanka M
Mrr. . KKiirrtthhi i JJaayyaallaatthh VViicce e PPrreessiiddeennt t ,,IInnssttiittuutte e oof f TTeecchhnnoollooggiisstts s - - SSri ri LLaannkkaa Mrs.A.A.D.
Mrs.A.A.D.P.Kumari P.Kumari PerisPeris Mr.M.Ajantha I Dias Mr.M.Ajantha I Dias Mr.Jasinghe Priyani Mr.Jasinghe Priyani Mr.R.G.Aranolishamy Mr.R.G.Aranolishamy Draughtsman(CI-1)
Draughtsman(CI-1) Department Department of of BuildingsBuildings Managing Director, ADS Drafting company Managing Director, ADS Drafting company Maga
Maga Enginineering Enginineering (pvt) L(pvt) Ltdtd
Senior Instructor(Building trades)DTET Senior Instructor(Building trades)DTET
Mr
Mr.P.P.A.A.D.D.R.R.C.Chahandrndrasasiririi EnEngigineneerer,C,Cenentrtral al EnEngigineneererining Cg Cononsulsultatancncyy Bureau
Bureau M
Mrr..SS..HH..UU..dde Se Siillvvaa DDeeppuutty Dy Diirreeccttoorr((LLaannd Ed Ennvviirroonnmmeennt & t & SSoocciiaall)) Road Development Authority
Road Development Authority M
Mrr..DD..HHeettttiiaarrcchhcchhii DDeeppuutty y DDiirreeccttoor r ((EEnnvviirroonnmmeennt t &&
Landscape) Urban Development Authority Landscape) Urban Development Authority M
Mrr. . SS..HH..JJ. . dde e SSiillvvaa CCoonnttrraaccttoorrs s AAssssoocciiatatiioonn,,WeWesstteerrn n PPrroovviinnccee Branch,National Contractors 'Association of Sri Branch,National Contractors 'Association of Sri Lanka
Lanka Mr
Mr.H.H.D.D.C.Chahandndrarasesenana ChChaiairmrmanan,C,Cosost t CoConsnsulultatancncy y SeServrvicices es (p(pvtvt)L)Ltdtd.. M
Mrr..HH..SS..JJaayyaasseennaa LLeeccttuurreer r aannd d IInndduussttrriiaal l TTrraaiinniinng Cg Coo--oorrddiinnaattoorr,, Department of Building Economics, University of Department of Building Economics, University of Moratuwa
Moratuwa Mr
Mr.K..K.D.D.W.GoW.Gooneonewawarderdenana ProProjecject Co-t Co-ordordinainatinting Manag Manager Dger Deparepartmetment of nt of Technical Education and
Technical Education and Training,JDTraining,JDCOT ProjectCOT Project Mr
Mrs. s. G.G.H.H.R.R.S.S.E.E.SiSilvlvaa DiDiststririct ct FFacactotory ry InInspspecectiting ng EnEngigineneer er BuBuilildidingng Maintenance Division ,Department of Labour Maintenance Division ,Department of Labour Ms
Ms S.RS.R.M..M.P.SP.Seneeneviviratrathnahna AssAsst.Lt.Lectectureurer-Ur-UNINIVOTVOTECEC D
Drr..LL..EEkkaannaayyaakkee SSeenniioor r LLeeccttuurreerr--UUnniivveerrssiitty y oof f MMoorraattuuwwaa
M
Mrr..PP..NN..KK..DDiiaass AAssssiissttaannt Dt Diirreeccttoor (r (CCuurrrriiccuulluum Dm Deevveellooppmmeenntt)),,NNaattiioonnaall Apprentice & Indus
Apprentice & Industrial Training Authoritytrial Training Authority Mrs
Mrs M.P. M.P. Theja Theja Malkanthi Malkanthi Coordinating Coordinating Officer, Officer, National National Apprentice Apprentice & & IndustrialIndustrial Training Authority
ACKNOWLEDGEMENT ACKNOWLEDGEMENT Overall Direction Overall Direction Mr.Amal Mr.Amal Senalankadhikara Senalankadhikara
Chairman, National Apprentice & Industrial Training Authority. Chairman, National Apprentice & Industrial Training Authority. D
Drr..TT..AA..PPiiyyaassiirrii DDiirreeccttor or GGeneneerraall, , TTererttiiaarry y & & VVooccaattiioonnaal l EEdduuccaattiioon Cn Coommmmiissssiioonn.. Mr.
Mr. HectHector or HamacHamachandrhandraa ProjProject ect DirDirectorector, , TechnTechnical ical EducaEducation tion DeveDevelopmelopment nt ProjProjectect
Technical Support
Technical Support Name Name AddressAddress
M
Mr. r. SSununil il PPululllapapererumumaa SSenenioior r VVicice e PrPresesiidedentnt, , InInssttititutute e of of DrDrafaftitingng Technologists - Sri Lanka
Technologists - Sri Lanka M
Mrr. . KKiirrtthhi i JJaayyaallaatthh VViicce e PPrreessiiddeennt t ,,IInnssttiittuutte e oof f TTeecchhnnoollooggiisstts s - - SSri ri LLaannkkaa Mrs.A.A.D.
Mrs.A.A.D.P.Kumari P.Kumari PerisPeris Mr.M.Ajantha I Dias Mr.M.Ajantha I Dias Mr.Jasinghe Priyani Mr.Jasinghe Priyani Mr.R.G.Aranolishamy Mr.R.G.Aranolishamy Draughtsman(CI-1)
Draughtsman(CI-1) Department Department of of BuildingsBuildings Managing Director, ADS Drafting company Managing Director, ADS Drafting company Maga
Maga Enginineering Enginineering (pvt) L(pvt) Ltdtd
Senior Instructor(Building trades)DTET Senior Instructor(Building trades)DTET
Mr
Mr.P.P.A.A.D.D.R.R.C.Chahandrndrasasiririi EnEngigineneerer,C,Cenentrtral al EnEngigineneererining Cg Cononsulsultatancncyy Bureau
Bureau M
Mrr..SS..HH..UU..dde Se Siillvvaa DDeeppuutty Dy Diirreeccttoorr((LLaannd Ed Ennvviirroonnmmeennt & t & SSoocciiaall)) Road Development Authority
Road Development Authority M
Mrr..DD..HHeettttiiaarrcchhcchhii DDeeppuutty y DDiirreeccttoor r ((EEnnvviirroonnmmeennt t &&
Landscape) Urban Development Authority Landscape) Urban Development Authority M
Mrr. . SS..HH..JJ. . dde e SSiillvvaa CCoonnttrraaccttoorrs s AAssssoocciiatatiioonn,,WeWesstteerrn n PPrroovviinnccee Branch,National Contractors 'Association of Sri Branch,National Contractors 'Association of Sri Lanka
Lanka Mr
Mr.H.H.D.D.C.Chahandndrarasesenana ChChaiairmrmanan,C,Cosost t CoConsnsulultatancncy y SeServrvicices es (p(pvtvt)L)Ltdtd.. M
Mrr..HH..SS..JJaayyaasseennaa LLeeccttuurreer r aannd d IInndduussttrriiaal l TTrraaiinniinng Cg Coo--oorrddiinnaattoorr,, Department of Building Economics, University of Department of Building Economics, University of Moratuwa
Moratuwa Mr
Mr.K..K.D.D.W.GoW.Gooneonewawarderdenana ProProjecject Co-t Co-ordordinainatinting Manag Manager Dger Deparepartmetment of nt of Technical Education and
Technical Education and Training,JDTraining,JDCOT ProjectCOT Project Mr
Mrs. s. G.G.H.H.R.R.S.S.E.E.SiSilvlvaa DiDiststririct ct FFacactotory ry InInspspecectiting ng EnEngigineneer er BuBuilildidingng Maintenance Division ,Department of Labour Maintenance Division ,Department of Labour Ms
Ms S.RS.R.M..M.P.SP.Seneeneviviratrathnahna AssAsst.Lt.Lectectureurer-Ur-UNINIVOTVOTECEC D
Drr..LL..EEkkaannaayyaakkee SSeenniioor r LLeeccttuurreerr--UUnniivveerrssiitty y oof f MMoorraattuuwwaa
M
Mrr..PP..NN..KK..DDiiaass AAssssiissttaannt Dt Diirreeccttoor (r (CCuurrrriiccuulluum Dm Deevveellooppmmeenntt)),,NNaattiioonnaall Apprentice & Indus
Apprentice & Industrial Training Authoritytrial Training Authority Mrs
Mrs M.P. M.P. Theja Theja Malkanthi Malkanthi Coordinating Coordinating Officer, Officer, National National Apprentice Apprentice & & IndustrialIndustrial Training Authority
Facilitator
Facilitator Mr.T.P.K.Mr.T.P.K.Perera-Assistant Director (TT & Perera-Assistant Director (TT & TR) –NAITATR) –NAITA
Consultant
Consultant Mr.M.S.Nanayakkara-TEDPMr.M.S.Nanayakkara-TEDP
NATIONAL COMPETENCY STANDARDS NATIONAL COMPETENCY STANDARDS
for for
DRAUGHTSPERSON DRAUGHTSPERSON
(Competency Standards Code: F45S007) (Competency Standards Code: F45S007)
((Validated)Validated)
U
Unniit t NNoo. . LLiisstts s oof f UUnniittss UUnniitt Level Level
Page/s Page/s
F45S007
F45S007 U01U01 PPeerrffoorrm m ssuurrvveeyyiinng g aannd d lleevveelliinng g aaccttiivviittiiees s 004 4 2 2 - - 77
F45S007
F45S007 U02U02 MMaakke e ccoommppuutteer r aaiiddeed d ddrraawwiinnggs s 003 3 8 8 - - 1100
F45S007
F45S007 U03U03 PPeerrffoorrm m ddrraawiwinng g ooffffiicce e aaccttiivviittiiees s 003 3 111 1 - - 1133
F45S007
F45S007 U04U04 AAssssiisst t iin n ttaakkiinng g oofff f ququaannttiittiiees s 004 4 114 4 - - 1166
F45S007
F45S007 U05U05 DDrraaw w ccoonnssttrruuccttiioon n woworrkkiinng g ddrraawiwinnggs s 004 4 117 7 - - 2233
F45S007
F45S007 U06U06 PPrreeppaarre e drrad awwiinnggs s ffoor r ssppeecciiaalliizzeed d ffiieelldds s 0044 224 4 – – 2299
F45S007
F45S007 U07U07 PPeerrffoorrm m ccoommmmuunniiccaattiioon n aaccttiivviittiiees s 0033 330 0 - - 3322
Packaging for National Vocational Qualifications (NVQ) Packaging for National Vocational Qualifications (NVQ)
National certifica
National certificate at NVQ level 3 in the occupation of Draughtsperson te at NVQ level 3 in the occupation of Draughtsperson will be awarded those who are competenwill be awarded those who are competent in unitst in units 2+3+7
2+3+7 - - F45S007Q1L3F45S007Q1L3 National certifica
National certificate at NVQ level 4 in the occupation of Draughtsperson te at NVQ level 4 in the occupation of Draughtsperson will be awarded those who are competenwill be awarded those who are competent in unitst in units 2+3+4+5+6+7- F45S007Q2L4
2+3+4+5+6+7- F45S007Q2L4 Record of achievem
UN
UNIT IT TITTITLELE PEPERFRFORORM SM SURURVEVEYINYING AG AND ND LELEVEVELILING NG ACACTITIVIVITIETIESS DESCRIPTOR
DESCRIPTOR
This unit covers the
This unit covers the competencies required to assist competencies required to assist surveying and levelingsurveying and leveling operations and
operations and prepare longitudinal and prepare longitudinal and cross sectional cross sectional drawings whiledrawings while ensuring personal, others and equipment safety.
ensuring personal, others and equipment safety. C COODDEE FF4455SS000077UU0011 ELEMENTS OF ELEMENTS OF COMPETENCE COMPETENCE PERFORMANCE CRITERIA PERFORMANCE CRITERIA 1
1.. AAssssiisst t iin n sseettttiinng g oouutt buildings/ structure
buildings/ structuress 1.11.1field book with required dimensions / linear field book with required dimensions / linear Relevant linesRelevant lines of building / structure sketched in aof building / structure sketched in a measurements, or drawn as a setting out working
measurements, or drawn as a setting out working drawing as per the given building plan/ working drawing as per the given building plan/ working drawing
drawing
1.2
1.2 AssiAssistancstance provided in estae provided in establishblishing relevaing relevant linesnt lines of building / structure according to the
of building / structure according to the setting out plan,setting out plan, using instruments or geometrical methods
using instruments or geometrical methods
1.3
1.3 All rigAll right angle joiht angle joints of the buints of the building or stlding or structurructure sete set out
out applying applying geometrical geometrical methods methods such such as as thethe Pythagoras theorem /or by instruments
Pythagoras theorem /or by instruments
1.4
1.4 AssiAssistancstance e proviprovided ded in in establestablishinishing g curves curves or or other oblique shapes as per the given reference points other oblique shapes as per the given reference points and dimensions, using instruments or geometrical and dimensions, using instruments or geometrical methods
methods
1.5
1.5 AccuraAccuracy of recy of rectanguctangular or slar or square square shapedhaped
structures checked using diagonal method and ensured structures checked using diagonal method and ensured the tolerance of the error of d
the tolerance of the error of diagonal length differenceiagonal length difference within the recommended norm
within the recommended norm
1.6
1.6 AccuraAccuracy of lincy of linear measear measuremenurements checkts checked keepinged keeping the error within the tolerance of the recommended the error within the tolerance of the recommended
norm
1.7Accuracy of curves, circles and other oblique shapes drawn, and checked as per the given reference points and
dimensions in the setting out working drawing
2.Assist and establish levels using leveling instruments
2.1Levels taken as per theinstructions given by the authorized person usingstandard leveling
instruments with required accuracy
2.2Levels established according to the details given in the setting out plan or instructionsgiven by the authorized person following standard operating procedures
2.3Levels recorded in a surveying and leveling standard field book following rise and fall method or height of collimation method
2.4Levels at stations calculated using rise and fall method or collimation method with respect to a given datum as per given instructions by the authorized person.
3.Take off field measurements/ as built measurements
3.1Field measurements taken accurately within the tolerance limits
3.2All measurements gathered from the field, recorded in a field book, as per the standard method used
4. Prepare Longitudinal and Cross sectional. drawings
4.1Longitudinal and cross sectional drawings drawn according to the horizontal and vertical scales ,grades checked and based on calculated reduced levels given by the authorized person followingstandard drawing
methods.
5. Measure extent of survey plan and area of cross sections
5.1 Extent of a given survey plan or area of cross section/s of longitudinal sections and cross sectional drawing measured within tolerance limits
5.2 Extent of a survey plan or cross section measured as per the drawing scale, using standard planimeter or graphical method or drafting software
RANGE STATEMENT:
Work associated with element no 01 of this unit may be performed in the field using instruments such as theodolite or similar instruments or builders square or using different geometrical
techniques
Work associated with element no. 02 of this unit, may be performed in the field using different leveling instruments such as dumpy level, engineer’s level or tilting level, and other relevant methods or techniques.
The field may have varying ground conditions such as rolling mountain terrains, flat lands, a nd or in/on different related to civil engineering structures.
Work associated with elements 4 and 5 of this unit may take place in a drawing office or in a site office or any other place where drawing instruments and facilities are available
ELABORATION OF TERMS
Relevant lines, may include building line, road centre line, base line, centre line and excavation lines
Building line - a reference line established with respect to the boundary line or outline of an adjacent structure or centre line of an existing road
Road centre line - a reference line which connects the centre points of the width of a road along the road
Base line -a reference line which is considered as an arbitrary line for the purpose of setting out
Excavation lines - reference lines established to indicate the area or boundaries where
excavations are required to be done for constructions such as foundation of structure, man holes and ducts, drains for underground transmission and power lines and pipe lines
Centre lines of building/ structure - reference lines which connec t centre points of the foundation/s or a structure to establish different out lines.
Instructions may include information about the points / stations where levels are to be taken and the required accuracy
Standard leveling instruments may include instruments such as Dumpy level, Engineer’s level or Tilting level used to take/ establish levels to required accuracy
Datum refers to a reference station where the value of the level is known relative to the Mean Sea Level or Country National Reference Level. Sometimes datum may be an arbitrary selected reference station for the particular leveling activity
Field measurements refers to all linear and angular measurements taken with reference to a given plane or planes
Tolerance limits: As per the recommended tolerance limits
Longitudinal and cross sectional drawings may consist of cross sections, longitudinal sections including chainages, levels, grades, datum line, scales, profile of existing / proposed / as built surfaces with relevant titles and notes
Standard drawing methods
Common standard components of a drawing may include, title panel, Information panel, key, orientation, out lines and may vary from organization to organization
Title panel may consist of job title, institute emblem, job no, drawing title, drawing reference number, major scale and sub scales, date drawn, and by whom the plan designed, drawn, checked and approved.
Information panel may consist of notes, revision scheduled date, nature of the revision, revision reference number, person who approved with date
Line types may include dotted line, hidden lines, centre lines, and continuous lines
Views may vary as per the type of view such as isometric view, perspective view, parallel view, bird’s eye view and worm’s eye view.
Highlighting of important areas of a drawing may indicate using hatching, rendering, coloring, and decorating as per type of materials or context.
TOOLS, EQUIPMENT AND MATERIALS AND DOCUMENTS USED IN THIS UNIT:
• Drawing Board • Drawing Table • T-Ruler
• Pencils (2B, HB, 2H etc…)
• Engineering Drawing Instruments • Calculator
• Sketch Book • Transit Theodolite
• Dumpy Level or Engineering Level • Planimeter
• Measuring tape (steel or fiber) • Builders square
• Relevant pegs • Nylon thread spool • Nails
• Marking pen (Permanent)
• Leveling staff (Metric or Imperial) • Drawing papers
• Setsquares
• Metric/ imperial scales • Eraser
• Computer with CAD software • Sand paper (Nos 400)
• Pencil sharpener • Drawing clips • Concrete
• Surveying and leveling field book • Personal Protective Equipments
• Chain
• Ranging poles • Pins
The following documents may be used in this unit:
User manuals issued by Manufacturer for each of the following
• Dumpy level • Engineer’s level • Tilting level
• Transit Theodolite • Planimeter
The performances of this unit are expected to be carried out to the following standards:
The use of instruments, setting out activities, should comply with accepted norms and standards used in construction industry.
ASSESMENT GUIDE
The candidate will be provided with all tools, equipment, materials and documentation required as out lined with this unit
Candidate will be provided with assessment activities/ situations limiting to the elements of competencies mentioned in this unit.
Forms of assessment
Continuous assessment and holistic assessment Assessment context
Critical aspects
Assessment must confirm the candidate’s ability to:
• Adhere to allowable tolerances, procedures and standards related to the construction
and surveying field
• Adhere to the standard of drawing office practices when preparing drawings • Adhere to standard formats and calculation procedures
Assessment conditions
The candidate will have access to:
All tools, equipment, materials and documentation required
The candidate will be permitted to refer to the following documents: Relevant manufacture’s user manuals issued with the instrument
The candidate will be required to
Orally, or by other methods of communication, answer questions asked by the assessor. Identify superiors who can be approached for the collection of competency evidence where appropriate.
Present evidence of credit for any off-job training related to this unit.
Assessors must be satisfied that the candidate can competently a nd consistently perform all elements of the unit as specified by the criteria, and that he/she possess the required
underpinning knowledge.
During assessment, the individual will:
• Demonstrate safe-working practices at all times:
• Communicate information about processes, events or tasks being undertaken to ensure a
safe and efficient working environment:
• Take responsibility for the quality of their own work;
• Plan tasks in all situations and review task requirements as appropriate; • Perform all tasks in accordance with standard procedures;
• Perform all tasks to specification and within allowable accuracy
• Use accepted engineering techniques, practices, processes and organizational procedures
Task involved will be completed within reasonable timeframes relating to typical workplace activities
Resources required for assessment:
UNDERPINNING KNOWLEDGE
• Introduction to chain surveying
• Tools, instruments and types of measuring
tapes used in chain surveying
• Introduction to plane table survey and
instruments and tools used for the survey.
• Linear and angular measurements, allowable
accuracy and error corrections in surveying and leveling
• Measuring sloping distances using tapes and
band using stepping method or using Clinometers
• Definition of following terms • Offsets and Ties
• Cartesian coordinates • Polar – coordinates • Accuracy and Precision
• Types of errors, that come across in
surveying and leveling
• Types of instruments used for surveying and
leveling
• Basic structure of theodolite
• Storing and handling of survey instruments • Bearings, whole circle bearings and
co-ordinates.
• Calculation of co-ordinates
• Introduction to, “Dumpy Level”
“Engineers Level” and different Leveling Staffs
• “Datum, Bench Mark, Temporary B.M,
National Bench Mark, Mean Sea Level” and guidance to find these locations from a survey plan/ construction plan
• Definition of following terms, their
importance and use in leveling
• Control points, Back sight, Foresight and
Intermediate sight, Line of collimation, Leveling staff and types,Change point
• “Rise and Fall method” and “Collimation
method”
• Method of leveling trenches, both horizontal
and at a gradient
• Importance of considering orientation and
levels, in setting out a building
UNDERPINNING SKILLS
• Drawing interpretation skills • Planning skills
• Decision making skills
• Mathematical skills to solve algebraic sums
and equations, trigonometric functions, and co-ordinate geometry problems
• Skills in taking linear measurement using
standard tapes
• Skills in the use of “Chain” to take linear
measurements
• Skills in taking angular measurements
using survey instruments such as basic theodolite
• Skills in setting up of survey instruments
(Theodolite, Plane table)
• Skills in setting of "Dumpy Level" and
• Geometrical constructions and principles
applied in setting out activities
• Methods used to find the area of a plotted
plan
• Use of planimeter and different types of
planimeters
UNIT TITLE MAKE COMPUTER AIDED DRAWINGS
DESCRIPTOR This unit covers the competencies required to draw/plot computer aided drawings of
two Dimensional drawings using computer drafting tools while ensuring personal, others and equipment safety.
UNIT CODE F45S007U02
RANGE STATEMENT:
Context and condition under which work will be performed
Work associated in this unit may take place in a drawing office or in a site office or any other place where computer facilities and relevant drawing software are available
Two Dimensional drawings may consist of all components relevant to the type of drawing drawn with reference to X-and Y Cartesian coordinates on XY plane
TOOLS, EQUIPMENT AND MATERIALS AND DOCUMENTS USED IN THIS UNIT:
• Computer • Plotter/ Printer • Printing papers ELEMENTS OF COMPETENCE PERFORMANCE CRITERIA 1. Draw two dimensional drawings
1.1 Two dimensional drawings drawn according to the standard formats and practices, as per the instructions given by an
authorized person
1.2 Computer drafting tools used for making drawings as per the instructions in drafting software manual
2. Plottwodimensional drawings
2.1 Due consideration given to setting of pen assignments, line types,
line weights, line colour and scales relevant to the drawing criteria
2.2 Two dimensional drawings plotted after preparation of plot area adjusting plotter/ printer as per the standard
• Computer drafting software • Pen drives, diskettes
• Blank CDs
• User manual of Computer aided software • User manual of Plotter or printer
The performances of this unit are expected to be carried out to the following standards:
The work associated with this unit ma y conform to the standard drafting practices when selecting line thickness and drawing size
The work associated with this unit ma y conform to the organizational standard practices in selecting line colours, dimensioning styles, letter type, and drawing format .
ASSESSMENT GUIDE
The candidate will be provided with all tools, equipment, materials and documentation required as out lined
in this unit’
Candidate will be provided with assessment activities/ situations limiting to the elements of competencies mentioned in this unit.
Forms of assessment
Continuous assessment and holistic assessment
Assessment context
This unit may be assessed on the job demonstrated by individual, working alone
Critical aspects
Assessment must confirm the candidate’s ability to adhere to:
• Specifications and standards related to the draughtsman practices
• Instructions given for the plotter or printer
• Standard line thickness, type, colour and standard symbols
Assessment conditions
The candidate will have access to:
All tools, equipment, materials and documentation required
The candidate will be permitted to refer to the following documents:
• User manual of Plotter or printer
• Details of information and sketches related to drawings
The candidate will be required to
• Identify superiors who can be approached for the collection of competency evidence where
appropriate.
• Present evidence of credit for any off-job training related to this unit.
• Assessors must be satisfied that the candidate can competently and consistently perform all
elements of the unit as specified by the criteria, and that he/she possess the required underpinning knowledge.
Resources required for assessment:
Computer with CAD software, sketches, materials and documents listed above.
During assessment, the individual will
• Demonstrate standard use of computer aided software • Take responsibility for the quality of their own work;
• Plan tasks in all situations and review task requirements as appropriate; • Perform all tasks in accordance with standards of draughtsman practices • Demonstrate safe working practices
Task involved will be completed within reasonable timeframes relating to typical workplace activities
UNDERPINNING KNOWLEDGE UNDERPINNING SKILLS
• Basic concepts and functions of a computer • Computer systems - Introduction
• Defining the following terms,
“Data”, “Programme”, “Hardware”, “Software”
• Main categories of software in a computer
system such as operating and application software
• Software available for Computer Aided
Draughting (CAD)
• Importance of CAD package in processing
working drawings, for engineering purposes
• Introduction to two dimensional and three
dimensional drawings
• Mathematical skills • English language skills • Computer literacy skills
• Skills in making drawings using
geometrical constructions
• Saving and plotting of drawings
• Introduction to hardware components of a
computer such as hard drive, Random Access Memory(RAM), Read Only memory(ROM), Input and Output devices, processor, Power unit, cooling system. Different input/ output ports, and other external devices required to produce drawings such as plotters and printers
UNIT TITLE PERFORM DRAWING OFFICE ACTIVITIES
DESCRIPTOR This unit covers the competencies required to be performed drawing office activities while ensuring personal, others and equipment safety.
CODE F45S007U03
ELEMENTS OF COMPETENCE
PERFORMANCE CRITERIA
1.Use drawing office instruments and equipment
1.1 Drawing office instruments and equipment used according to instructions in user manuals to draw relevant geometrical profiles and furnish lettering and scaling
2.Maintain drawing office instruments and equipment
2.1 Drawing office instruments and equipment maintained according to the user manuals of specific drawing office instruments and equipment
2.2 Maintenance of equipment carried out as per standard maintenance practices relevant to drawing office when relevant user manuals are not available
3.Assist to maintain drawing register
3.1 Drawing register maintained as per the instructions given by authorized person
4.Store drawings 4.1 Drawings stored according to thestandard
practices used in the drawing office or site office and as per the instructions given by the authorized person
RANGE STATEMENT:
Context and condition under which work will be performed
Work associated with this unit may take place in a drawing office or in a site office
• Drawing office Instruments and Equipment may include all kinds of drawing boards &
T rulers, inking pens, set squares, scales, stencils, flexible curve, computer, blue printers and plotters, drawing table. Drawing Board Pencils (2B, HB, 2H etc…), Engineering Drawing Instruments, Calculator, Sketch Book, Transit Theodolite , Dumpy Level or Engineering Level, Planimeter,
Measuring tape (steel or fiber, Builders square, Relevant pegs, Nylon thread spool , Nails Marking pen (Permanent), Hammer, Leveling staff (Metric or Imperial), Drawing papers, Setsquares
Metric/ imperial scales, Eraser, Computer with CAD software, Sand paper (Nos 400), Pencil sharpener, Drawing clips, Concrete, Surveying and leveling field book, Personal Protective , equipments, Chain, Ranging poles, Pins.
Standard practices refer to standards/methods mentioned in drawing office manual dev eloped by Royal Institute of British Architects & Royal Institute of Charted Surveyors or specific system used/practiced by the organization concerned
TOOLS, EQUIPMENT AND MATERIALS AND DOCUMENTS USED IN THIS UNIT:
• Computer
• Drawing register
• Drawings storing racks or cupboards
• Drawing office instruments such as drawing boards, stencils, setsquares, inking pens,
plotters or printers, flexible curve and French curves etc.
• Instrument box of Compasses and dividers with extension bars • Ink bottles
The following documents may be used in this unit:
User manuals or instructional documents related to drawing instruments
The performances of this unit are expected to be carried out to the following standards:
Standard practices followed by organizations/ associations dealing with preparing of construction drawings such as architectural firms, engineering firms etc..
ASSESMENT GUIDE
The candidate will be provided with all tools, equipment, materials and documentation required as out lined with this unit
Candidate will be provided with assessment activities/ situations limiting to the elements of competencies mentioned in this unit.
Forms of assessment
Continuous assessment and holistic assessment
Assessment context
This unit may be assessed on the job or prototype simulated situation, demonstrated by individual, working alone
Critical aspects
Assessment must confirm the candidate’s ability to:
• Use drawing instruments according to the standard practice • Maintain instruments as per standard practice of the organization
Assessment conditions
The candidate will have access to:
All tools, materials and documentation required
The candidate will be permitted to refer to the following documents:
• User manuals or instructional documents related to drawing instruments
The candidate will be required to
• Orally, or by other methods of communication, answer questions asked by the assessor. • Identify superiors who can be approached for the collection of competency evidence where
appropriate.
• Present evidence of credit for any off-job training related to this unit.
• Assessors must be satisfied that the candidate can competently and consistently perform all
elements of the unit as specified by the criteria, and that he/she possess the required underpinning knowledge.
During assessment, the individual will:
• Take responsibility for the quality of their own work;
• Perform all tasks to specification or as per standard or organizational procedures
• Task involved will be completed within reasonable timeframes relating to typical workplace
activities
• Demonstrate safe working practices at all times.
Resources required for assessment:
All the tools, materials and documents listed under sub headings of the range statement of this unit.
UNDERPINNING KNOWLEDGE UNDERPINNING SKILLS
• Introduction to drawing office environment
and hierarchy of drawing office staff including the position of a Draughtsperson
• Different instruments and equipment used in
a drawing office with special reference to specific use/s of each
• Guidelines and procedures for maintaining
drawing office instruments and equipment.
• Format of drawing office register
• Advantages of maintaining a drawing office
registers
• Standard numbering formats used in
drawings in the construction industry
• Method/s of handling and storing drawings
• Safety procedures
• Computer literacy skills • Use calculators
• Basic mathematical skills • Communication skills • Team work skills
UNIT TITLE ASSIST IN TAKING OFF QUANTITES DESCRIPTOR
This unit covers the competencies required to take off quantities of low rise category buildings, earth work of canals and roads, prepare abstract sheets and assist in other relevant activities
CODE F45S007U04
ELEMENTS OF COMPETENCE PERFORMANCE CRITERIA
1. Take off quantities of low rise category buildings
1.1 Quantities of low rise category buildings take off as per Sri Lanka standards 573-(1999 revision)
1.2 All measurements and descriptions recorded in standard TDS (Timing, Dimensioning Squaring) format according to recommended standards
2. Take off quantities of earth work of canals and roads
2.1 2.1 Quantities of earth work taken off as recommended
2.2 standards
2.2 All measurements and descriptions recorded in standard TDS (Timing, Dimensioning, Squaring) format recommended standards.
3. Prepare abstract sheet 3.1 Abstract sheet for low rise category buildings prepared as per Sri Lanka standard 573-(1999) and
formatted as per Stationery for quantity surveying standards as per recommended standers
3.2 .Abstract sheet for earth work of canals and roads prepared as per recommended standards
4. Assist to prepare descriptions, specifications and details of construction items in trades
4.1 Descriptions, specifications and details of construction items prepared as per Sri Lankan
standard 573-(1999 revision ) and instructions given by the authorized person
4.2 Descriptions, specifications and details of construction
items prepared as per recommended standards
RANGE STATEMENT:
Context and conditions under which work will be performed
Work associated with this unit may take place in a drawing office or in a site office or any other place where activities performed relates to preparation or taking off quantities.
Low rise category buildings refers to a single/two storied building having less than 280 square meters in floor area.
All measurements may include length, width. depth / height thickness radius/ diameter and angles Descriptions refers to details of construction activity such as category or trades, specification,
dimensions, quality of materials, proportion of mixtures, finishing details and preambles and method of construction
The following Operations/ Tasks are included in this unit:
• Take off linear and angular measurements in the field • Sketch drawings to prepare as built drawings
• Assist to prepare specifications and details of items or construction activity
TOOLS, EQUIPMENT AND MATERIALS AND DOCUMENTS USED IN THIS UNIT:
• Stationery • Scales • Setsquares
• Measuring tapes • Planimeters
• Calculators or computers with special software programs for preparation of bills • Printer
• Standard Abstract sheets • Standard T.D.S. sheets
The performance of this unit is expected to be carried out to the following standards:
Standard practices as mentioned in the SLS 573-1999 and revision.
ASSESSMENT GUIDE
The candidate will be provided with all tools, equipment, materials and documentation required as out lined with this unit
Candidate will be provided with assessment activities/ situations limiting to the elements of competencies mentioned in this unit.
Continuous assessment and holistic assessment
Assessment context
This unit may be assessed on the job demonstrated by individual, working alone or working with the assistance of subordinate and superior’s instructions.
Critical aspects
Assessment must confirm the candidate’s ability to:
• Conform to the specifications and standards specified in the SLS 573-(1999 revision) taking off
quantities
• Check readability and legibility of the document • Use standard TDS formats, abstract formats • Arithmetical accuracy of all calculations done
Assessment conditions
The candidate will have access to:
All tools, equipment, materials and documentation required
The candidate will be permitted to refer to the following documents:
• Document of SLS 573-1999 and other relevant standards • Standard Abstract sheets
• Standard T.D.S. sheets
The candidate will be required to
Orally, or by other methods of communication, answer questions asked by the assessor. Identify superiors who can be approached for the collection of competency evidence where appropriate.
Present evidence of credit for any off-job training related to this unit.
Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, and that he/she possess the required und erpinning
knowledge.During assessment, the individual will :
Take responsibility for the quality of their own work;
Plan tasks in all situations and review task requirements as appropriate;
• Perform all tasks in accordance with standard procedures using standard formats
and documents;
• Perform all tasks to specification or standard procedures • Use accepted engineering and quantity surveying techniques,
Resources required for assessment:
All the tools, instruments, equipment, software, materials and documents listed under sub headings of the range statement of this unit.
TITLE DRAW CONSTRUCTION WORKING DRAWINGS
UNDERPINNING KNOWLEDGE UNDERPINNING SKILLS
• Taking measurements from working/
construction drawings or from actual construction / fabrication in the field/ workshop
• Taking-off measurements
• Units used for quantities as per Sri
Lanka Standard 573 (1999 revision ).
• Use of different measuring tools/
equipment such as scales, planimeter
• Introduction to Bills of Quantities
• Introduction to B.S. R or H.S. R. and their
use
• Guidance to use following documents
(I) SLS 573-1999 revision
• Standard methods of taking off
quantities from field measurements or construction drawings
• Introduction to Tender procedures and
definitions of standard terminology used in tenders and related documents and tender conditions
• Guidelines to prepare specifications,
descriptions, detailing and grouping of construction activities
• Mathematical skills
• Linear and angular Measuring skills • Calculator operating skills
• Ability to use Planimeter
• Ability to use imperial and Metric scales • English Language skills
DESCRIPTOR
This unit covers the competencies required to draw construction working drawings
for low-rise category buildings while ensuring personal, others and equipment safety.
ELEMENTS OF COMPETENCE PERFORMANCE CRITERIA
1. Draw site layout drawings 1.1.Site layout drawing drawn, as per the given details or gathered data or the instructions given by the authorized person, incorporating all essential components and other details as per standard practice
1.2.Standard symbols, hatch patterns and colouring (if necessary) included in site layout drawing
2. Draw setting out drawings 2.1Setting out drawings drawn indicating essential features as per the instructions given by the authorized person
2.2 Reference lines with required dimensions, levels or coordinates indicated in setting out drawing as required
2.3Other components too indicated in the setting out drawing
3. Draw excavation andearth work support drawings
3.1. Excavation and earth work support drawings drawn incorporating essential components as per the instructions given by the authorized person 3.2. Timbering and shoring details of
excavated areas indicated in drawings in to a scale with dimensions as per the instruction given by the authorized person
3.3. Excavation and earth work support drawing drawn using standard symbols, hatch patterns and colouring (if necessary)
4.Draw foundation detail drawings 4.1. Foundation detail drawing drawn to scale/s on a standard drawing format as per the instruction given by the authorized person
4.2 Foundation detail drawing drawn using standard symbols,
hatch patterns and colouring (if necessary)
5.Draw general arrangement
drawings
5.1. General arrangement drawing drawn to scale/s on a standard drawing format using standard symbols and hatch patterns as per the instructions given by the authorized person
RANGE STATEMENT:
Context and condition under which work will be performed 6..Draw structural detail drawings in
low-rise category building
6.1. Detailed RCC drawings drawn, numbered, symbolized dimensioned as per the instructions given by the structural designer
6.2Detailed timber structures drawings drawn indicating
details as per the instructions given by the authorized person
7.Draw council drawings for low-rise category buildings
7.1. Council drawings drawn incorporating all necessarycomponents using standard
abbreviations and symbols as per a scale to meet the requirements of the local authority concerned
8.Draw roof detail drawings 8.1. Roof detail drawings drawn to scale/s
incorporating all essential details as per the instructions given by the authorized person
9.Draw door and window detail drawings
9.1. Door and window detail drawing drawn
as per the instructions given by the authorized person in cooperating essential components
10.Draw partitioning drawings 10.1.Partitioning Drawings drawn to scale/s as per the instructions given by the authorized person
11.Draw architectural detailed drawings
11.1. Architectural detailed drawings drawn up as per the instruction given
12. Draw water supply, storm water and
drainage drawings
12.1 Water supply , storm water disposal and sewerage
drawings
produced as per the instructions given by the authorized
Work associated to this unit may take place in a drawing office or in a site office
Elaboration of terms
Essential components in site layout drawings may include enlarged survey plan, scales, dimensions and co-ordinates as required, legend, North point, contours, levels, existing and proposed all
infrastructures and buildings with relevant titles
Other details may include Title panel, information panel, key plan, special notes and border lines too included in the site layout drawing.
Setting out drawings may consist of grids/. Axis/ levels and outer lines of major work (foundation, excavation, brick work, drains,) reference to the plan view of the proposed structure, reference lines (building line, road centre line) and centre lines in to a scale with required dimensions in to a scale.
Other components may include, title panel, information panel, key plan, special notes and border lines
Excavation and earthwork support drawings may consist of contour plan, proposed structural layout plan, sectional views of proposed excavation and earth work support details such as width, length, depth, slope, levels, and profile in a scale with necessary dimensions and other components such as title panel, information panel, key plan, special notes and border lines
Foundation detail drawing may consist of foundation layout of the proposed structure, cross sections and details of foundation/s, levels and drops, dimensions, in to scale/s and structural details
Foundation detail drawing should indicate legends, title panel, information panel, key plan, special notes and border lines
Detailed RCC drawings Reinforced cement concrete may consist of details of RCC structural
members foundation, foot yards, column, beam, slabs and staircase on the bar schedule with necessary cross sections, grid lines, centre lines and location /position of structures having similar reinforcement layout details
Detailed timber structural drawings may consists of layout of timber members of the structure, cross sections, joining details, basic dimensions, grids, scale, timber sizes and lengths, spacing of timber members and fixing details.
Council drawings may be for a proposed new building or proposed additions and alterations / renovations of an existing building to obtain the development permit for construction
Components of the council drawing may include plan, front elevation, left and/ or right elevations, sections with heights and sections to show different floor levels as where applicable including section line with appropriate titles, room names, dimensions, floor areas separately, unit areas, door and General arrangement drawings may consist of layout/ elevations and/ or sections of the
superstructure, levels and drops, dimensions, usage/ title of areas, openings, standard symbols and line types, sectioning lines to scale/s.
window locations, eave lines and roof outline, foundation details, door and window schedule, scales, notes and title bar with site plan with north direction, position of building outline, distances from boundaries and road centre line, position of septic tank, soakage pit, waste water pit and well with
distances and appropriate scale..
Different colouring or hatching done to indicate housing units separately in the same building and different category of walls such as demolishing walls, existing walls, new w alls and short walls according to the standards, rules and regulations practice by local authorities
Roof detail drawings may consist of roofing layout, sectional views, details of timber laying with spaces, main structural members, supporting members, retaining structures, valance and barge boards, eave projections, flashings, valley details, rain water system, sections, inclined ceiling dimensions, with scale/s and dimensions
Details of timber or steel roof trusses indicated all details such as sections, lengths, fixing an d joining details, gusset plate, fish plate, base plate, shoe plate, purlin details, clearances, bolt and packing details as per instruction given by authorized person
Door and window detail drawing may consist of key plan, cross sections, details of door and window frames, sashes, special fittings, sections, plans, elevations, opening direction, sill height, lock rail
height, details of materials and sections, notes schedule of fittings/ iron mongery in to scale/s with dimensions
Architectural drawings may include furniture drawings, finished drawings, sealing drawings and special architectural details
Partitioning Drawings may consist of layout, sections, elevations, and type of materials, dimensions, opening directions, special fittings, enlarged fixing details, partitioning design, as per scale/s
Water supply , storm water disposal and sewerage drawings may consist of layout of supply /distribution line paths, storm water and drainage pipe paths, man hole locations, storage pits waste water pit, septic tank pipe fittings details with fixing heights, sectional drawing, key plan with highlighted areas, grids and dimensions, locations and details of fittings with references, pipe dimensions and types with other dimensions for installations
TOOLS, EQUIPMENT AND MATERIALS AND DOCUMENTS USED IN THIS UNIT:
• Measuring tapes • Drawing Board • T-Ruler
• Drawing Table with drafting chair
• Pencils (2B, HB, 2H etc…)/ clutch pencils • Calculator
• Erasers
• Lettering Stencils
• Setsquares of 30, 45 or adjustable setsquare • French curve
• Drawing ink pens • Drawing ink
• Scales (Metric or Imperial)
• Pencil sharpener and Sand paper (No 200)
• Instrument box (dividers, compasses with extension bars) • Drawing clips
• Drawing papers/ tracing papers
The following documents may be used in this unit:
• Reinforcement specifications from steel reinforcement manufacture or sketches provided by
designers
• Manufacturing specifications with dimensions of different pipe fittings,sanitary fittings,
manhole covers etc.
• Building regulations issued by Urban Development Authority related to different geographical
areas
The performances of this unit are expected to be carried out to the following standards:
All drawings drawn under this unit should comply with standard drawing format specified under each category of drawings indicated under range statement on a standard drawing layout format used by particular organization
ASSESSMENT GUIDE
The candidate will be provided with all tools, equipment, materials and documentation required as out lined with this unit
Candidate will be provided with assessment activities/ situations limiting to the elements of competencies mentioned in this unit.
Forms of assessment
Continuous assessment and holistic assessment
This unit may be assessed on the job demonstrated by an individual working alone
This unit could be assessed individually or in conjunction with other related units
Critical aspects
Assessment must confirm the candidate’s ability to:
Maintaining accuracy and neatness of drawing Incorporation of all required details in drawings
Correct interpretation of instructions given by authorized person and service consultants Adhering to standard practices of drawing
Assessment conditions
The candidate will have access to:
All tools, equipment, materials and documentation required
The candidate will be permitted to refer to the following documents:
• Reinforcement specifications from steel reinforcement manufacture or relevant design detail
reports or sketches provided by design authorities
The candidate will be required to
• Orally, or by other methods of communication, answer questions asked by the assessor. • Identify superiors who can be approached for the collection of competency evidence where
appropriate.
• Present evidence of credit for any off-job training related to this unit.
• Assessors must be satisfied that the candidate can competently and consistently perform all
elements of the unit as specified by the criteria, and that he/she possess the required underpinning knowledge.
During assessment, the individual will:
• Demonstrate appropriate use of drafting tools
• Take responsibility for the quality of their own work;
• Plan tasks in all situations and review task requirements as appropriate; • Perform all tasks to specification:
• Use accepted geometrical drawing concepts and principles
Task involved will be completed within reasonable timeframes relating to typical workplace activities.
All the tools, instruments, equipment, materials and documents listed under sub headings of the range statement of this unit.
UNDERPINNING KNOWLEDGE UNDERPINNING SKILLS
• Site lay outs, components of site lay out
drawings and use of site layout drawings
• Importance of setting out drawings
• Components and details to be indicated in
a setting out drawing
• Setting out methods and different
techniques and instruments use for setting out shapes and angles
• Components and detailing of earth work
and earth work support drawings, symbols and methods of indicating levels, contours etc.
• Components of foundation drawings and
method of detailing foundation drawings
• Components and detailing of a building
plan symbols and colours use for detailing floor plan such as existing walls, proposed walls and arches etc
• Classification of buildings as to low rise,
medium rise and high rise types
• Definitions of Clear cover, Lap length,
Anchorage length, Bar length, Standard curtailment lengths and Space bar
• Components, symbols and detailing to
be included in steel structural drawings and timber structural drawings
• Sketch plan views of “Flat roof”,
Gable roof, and Hip roof naming different part using appropriate terminology
• Producing sketch diagrams to illustrate
the joints used in preparing of different shapes of door and window frames including joints and fixing methods and materials use for fixing
• Storm water handling, new standards,
• Analytical skills
• Ability to use engineering drawing
instruments and scales
• Ability to use scientific calculator - all
functions
• Mathematical skills • Communication skills
• Ability to draw development drawings • Ability to draw interception and curve
drawings
• Ability to write free hand letters and
use stencils for lettering
• Ability to draw different geometrical
shapes and their productions
• Ability to draw orthographic drawings
• Ability to draw isometric view
rules and regulation related to storm water handling
• Types of sewerage systems
• Knowledge of draw first and third
angle drawings including sectional drawings
UNDERPINNING KNOWLEDGE
• Construction tips for manhole
construction
• Standard dimension of all fittings
fixing to water supply system, storm water system and sewer system and standard symbols assigned for these fittings
• Definition of “sump, water tank,
filters, pumps, catch pits, man hole, water distribution system”
• Standard symbols assigned to above
fittings
• Types of manholes
• Safety procedures
UNIT TITLE PREPARE DRAWINGS FOR SPECIALIZED FIELDS
DESCRIPTOR This unit covers the competencies required to prepare drawings for specialized fields relevant to the engineering draftsperson occupation
CODE F45S007U06
ELEMENTS OF COMPETENCE PERFORMANCE CRITERIA
1. Draw electrical layout drawing 1.1. Electrical layout drawings drawn in to a scale as per client requirements and the instructions given by
the authorized person.
2. Draw conduit layout drawings 2.1Conduit layout drawing drawn to a scale according to electrical layout drawing and referring to the
structural drawings, special equipment drawings and architectural drawings while following the
instructions given by the authorized person 3. Draw domestic electrical
wiring/single line diagram 3.1 Domestic electrical wiring/diagram (unscaled) drawn and to the instructionssingle line circuit given by the authorized person
4. Draw canal drawings 4.1. Canals drawing drawn, with
longitudinal section and cross section in scale as specified by the designer and withcanal
parameters ,as per the instructions given by the authorized person
4.2. Canals drawings drawn to indicate spot levels of land and contours at specified intervals as
per the instructions given by the authorized person.
5. Draw irrigation field structures 5.1. Irrigation field structures(IFS) drawing drawn to specified scale indicating parameters of relevant structures as per specifications or as per instruction given by the authorized person
6. Draw land blocking out drawings
6.1. Blocking out plans drawn to a scale with specified extents of blocks referring to the given coordinates and survey plan of the land as per the instruction given by the authorized person
7. Draw road construction layout
drawings 7.1.drawn to include all relevant components as per theRoad construction layout drawing instructions given by the authorized person
8. Draw road cross sections and
longitudinal drawing 8.1.section drawingRoad cross sections and longitudinaldrawn including required sections, existing details,proposed details of the carriage way, earth cutting and filling details and details of components relevant to the drawing
8.2. Drawings produced as per the instructions given by the authorized person and complying with the specifications in the design sketch
9. Draw culvert drawings 9.1. Culvert drawing pertaining to road works drawn includingreinforcement details and foundation details
9.2. Structural detail drawings used as per instructions given by the authorized person .
10. Draw retaining wall 10.1.Retaining wall drawing pertaining to road works drawn including all relevant components as per the instructions given by the authorized person .
11. Draw simple assembly drawing (Not more than 6 items)
11.1.Simple Assembly drawing drawn to a scale
indicating isometric view of parts or components not more than 6 items of amajor item, as per the instructions given by the authorized person,
instructions
RANGE STATEMENT:
Context and condition under which work will be performed
Work associated to this unit may take place in a drawing office or in a site office
Electrical layout drawings should indicate location with dimensions and description of electrical components as per client requirements based on architectural, structural and special equipment layout drawings and electrical distribution diagram
Every layout drawing should also indicate title panel, information panel, key plan, legend, special notes and border lines
Conduit layout drawing indicate conduit sectional dimensions, number of conduits, type of conduit, location, conduit protection method, joint details, sunk boxes including required dimensions for laying conduit and fixing details
Single line circuit diagram may also include details of wire types, sizes and panel board details with specifications, standard line types, thicknesses, symbols, abbreviations, circuit numbering and co lour codes
Road construction detail drawings may indicate road survey details, existing and proposed levels of the road profile, earth filling and cutting details, road profile setting out details and road sign and
marking details as per the standards specified by the Road Development Authority
Canals drawings may include, plan view of a canal with distance indicated in miles or km., structural symbols, longitudinal sections, typical sections at locations, and canal parameters specified by the designer
Canal parameters may include dimensions, design discharges, bed width, full supply depth/gradient, mean velocity, control levels of culverts, bridges, caurse ways, bed of drainage lines, elevations of roads, rock outcrops, bank and bed of streams and canal and standard sequence of canal numbers
Irrigation field structures (IFS) may include drop out structures, turn out structures, sluices,
regulators, Foot Bridge, level crossing, bridges, troughs, friction blocks and hydraulic jump structures
Parameters refers all dimensions, invert levels, levels, symbols, hatchings relevant to type of materials, profiles, flow direction, flow velocity, slope, type of surface finishing and special fittings such as gates, diameters or sectional dimensions of turn out structures.
Road construction layout drawing may include plan view of proposed road, profile, pavement details, horizontal and vertical curves, intersections,roundabouts, sectional views, drains, position of road structures and chainage
Road cross sections drawings may consist of longitudinal and cross sections with chainage along the proposed centre line, direction, grades and cross sections at appropriate intervals and other details
required such as details of duct and services
Existing details of the carriage way width may include existing carriage way levels, chainage, foot walk, centre line, left and right side levels
Proposed details of the carriage way width may include proposed carriage way levels, chainage, foot walk, centre line, left and right side levels
Earth cutting and filling details may include toe line, slope of earth filling line as per details provided by the engineer.
Culvert drawing may consist of plan view, sectional view and elevation of the culvert indicating major components of the culvert such as deck, side walls or abutments, foundation, laying details of reinforcement and locations of draining holes in a structure with dimensions, details of curbs, foot walk, such as strengths and finishing details.
Reinforcement details may include type of bars, size, bar marks, bar length, no of bars, positions and sections elevation and longitudinal sections indicating starting and end position of the location of reinforcement in structure with dimensions and material properties such as strengths and finishing details.
Foundation details may consists of plan view, sectional view and elevation of the foundation
indicating the location of reinforcement in structure with dimensions and material properties such as strengths and finishing details.
Retaining wall drawing may consist of plan view, sectional view and elevation of the retaining wall indicating the details of retaining wall, foundation and side rails laying details of reinforcement and locations of weeping holes in a structure with dimensions, details of curbs, and finishing details.
Simple Assembly drawing may consist of parts or components of a major item with part numbers, part names, part sections, dimensions and sequence(order) of assembling of major item and centre line
axis including fixing methods, lubrication positions and systems, dimensions and relevant scales
Parts or Components may include any type of mechanical or electrical components such as bearings, types of nuts and bolts, check nuts, pins, wheels, shafts, body, cylinders, springs, sensor systems .
Major item may include any automobile components, machinery, equipment, instruments, or part/ component of these items
TOOLS, EQUIPMENT AND MATERIALS AND DOCUMENTS USED IN THIS UNIT:
• Drawing Board • T-Ruler
• Drawing Table
• Pencils (2B, HB, 2H etc…)/ clutch pencils • Engineering Drawing Instruments
• Calculator • Sketch Book • Erasers
• Lettering Stencils
• Setsquares of 30, 45 or adjustable setsquare • French curve
• Drawing ink pens • Drawing ink
• Scales (Metric or Imperial)
• Pencil sharpener and Sand paper (No 200)
• Instrument box (dividers, compasses with extension bars)
• Computer
• Relevant drafting software
ASSESSMENT GUIDE
The candidate will be provided with all tools, equipment, materials and documentation required as out lined with this unit
Forms of assessment
• Continuous assessment and holistic assessment
Assessment context
• This unit may be assessed on the job demonstrated by an individual working alone • This unit could be assessed individually or in conjunction with other related units
Critical aspects
Assessment must confirm the candidate’s ability to:
Maintaining accuracy and neatness of drawing Incorporation of all required details in drawings
Correct interpretation of instructions given by architect and service consultants Use of correct symbols and units in drawings
Adhering to standard practices of drawing
Assessment conditions
The candidate will have access to:
Stationery and documenting material required
The candidate will be permitted to refer to the following documents:
• Sketches of drawings provided by authorized person/s • Standards specified by the Road Development Authority • IEE / IEC regulations, ICTAD specifications or BS 7671:1992 • Specification guide published by Department of Irrigation
The candidate will be required to
• Orally, or by other methods of communication, answer questions asked by the assessor. • Identify superiors who can be approached for the collection of competency evidence where
appropriate.
• Present evidence of credit for any off-job training related to this unit.
• Assessors must be satisfied that the candidate can competently and consistently perform all
elements of the unit as specified by the criteria, and that he/she possess the required underpinning knowledge.
During assessment, the individual will :
• Demonstrate appropriate use of drafting tools
• Take responsibility for the quality of their own work;
• Plan tasks in all situations and review task requirements as appropriate; • Perform all tasks to specification:
• Use accepted geometrical drawing concepts and principles
Task involved will be completed within reasonable timeframes relating to typical workplace activities
.Resources required for assessment:
All the tools, instruments, equipment, materials and documents listed under sub headings of the range statement of this unit.
UNDERPINNING KNOWLEDGE UNDERPINNING SKILLS
Components of a dimensional working
drawing and their applications
Symbols and presentation of material
types and properties of materials
Components of an assembly drawing and
their applications
Writing skills
Construction materials used for road work
and construction of infra structure
Standard components and information to
be included in a highway engineering drawing, standard sizes of drawing sheet and margins
Structural details of standard infrastructure
in road work
Selection and identification of soil types,
characteristics of common soil types
Curve ranging and setting out detail
drawing and road signs and marks detail drawing.
Standard practices and accuracy required
to take levels in preparing Longitudinal Section and Cross Section drawings.
Definition of road profile, cutting and
filling of earth, toe line, datum, temporary bench mark (TBM), service ducts, drains
and foot walk
Road signs, traffic signs, rules and
regulations, standard colour codes used for road signs and different types of road
markings and applications of them and traffic rules
Basic Electricity -Fundamentals
Types of phases: Single and three phases
and
methods of indicating types of phases on a
drawings including standard colour codes.
Types of electrical fittings, standard fixing
heights of each fitting, symbols or abbreviations or descriptions relevant to each electrical fitting including the method of indicating them in drawings
Types of standard information to be
included on a drawing under special notes or symbols relevant to electrical fittings, machines and components
Components to be included in a common
standard electrical drawing
AC and Fire, Gas, excalators, lifts and
ducts
Solid waste management-Introduction
instruments)
Ability to take field levels using leveling
instruments
Calculation of levels using height of
collimation method or rise and fall method
Calculation of geometrical data for
constructing geometrical drawings