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Page - 53
VHSE Curriculum
ABOUT THE COURSE
The Vocational Higher Secondary course Civil Construction &Maintenance (CCM) has been renamed to Civil ConstructionTechnology (CCT) in the Curriculum Revision in the year 2015. Thepresent course incorporates the latest developments in the technology,study of modern equipments and their applications in the constructionfield.
The CCT course aims to mould professionals at supervisory level usingentrepreneurship skills. The CCT is a multi-skill development coursewith intensive learning on surveying, buildings, quantity surveyingand plumbing services. The course is so significant in a fastlydeveloping country like India, where a lot of infrastructuraldevelopments are emerged day by day. The contents included havebeen to satisfy hundreds of job roles emerged by globalization.
There are public and private sector companies and corporations whichrequire professionals at supervisory level. Self employmentopportunities in disciplines related to Civil Construction are in plentythrough the Government schemes.
Certification for the course is also important in the job market. Thepresent CCT course follows a 4-tier system which divides the 2 yearcourse into four modules. Each module in the course deals with aspecific skill which provides an opportunity to perform better in thedesired discipline. Each module is certified for the skill concerned,which aids the learner to utilize the self employment opportunitiesavailable under the State Administration. The course as a whole iscertified at the end to enable the learner to be an entrepreneur in thediscipline and for placement in public and private sectors. Also thereexists opportunities to undergo higher studies in the technical or generalstream.
SUBJECT APPROACH
Civil Engineering is the mother of all Engineering streams. A majoramount of our public fund has been invested in construction industryevery year for the infrastructure development schemes & housingprojects in India. The Technology advanced structures constructed arebecoming even the landmark of a country today. The well-developedinfrastructure is the token of development of a country in all aspects.
From the birth of mankind till today and in future also the graph of scopeof the construction stream of Engineering is upwards. Considering allthese aspects, the VHSE course of Kerala has been incorporated CivilConstruction Technology as one of the key branches of its curriculum.
The CCT aims at casting skilled technicians, supervisors and self
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Civil Construction Technology
employers through entrepreneurship training. The revised curriculumcontains different areas of advanced surveying, traditional andadvanced materials, traditional and new trends in building construction,quantity surveying, drafting both manually and computer-aided andadvanced water supply and sanitary systems. The curriculum has beenframed by brainstorming the latest need in upcoming constructionindustry by investigations like job analysis, job structure, jobspecification, etc from educationalists, academicians, experts in theconstruction industry, entrepreneurs and teachers.
The General Approach and Approach to Evaluation to all VHSECourses is applicable to CCT course also. The same is not repeated here.
JOB ROLES (CAREER PATH)
The course on Civil Construction & Technology (CCT) is visioned tomaster the latest technologies in Civil Construction. Steps have beentaken to include latest trends in Civil construction technology. Variousjob-roles at the Government and Private sectors are given below. Scopefor self employment is also there.
GOVT/ SEMI GOVTSECTOR PRIVATE SECTOR
SELFEMPLOYMENT
Overseer in PWD,KSEB, KWA, etc.
Lab TechnicalAssistant
Work Superintendent
Draughtsman inPWD, KSEB, KWA,etc.
Surveyor in SurveyDepartment
Site Supervisor
Quantity Surveyor
Plumbing Supervisor
Draughtsman
Marketing Executive
Sales Executive
AdvertisementExecutive & CustomerCare Executive(Constructioncompanies)
Store Keeper
Civil EngineeringConsultant
Civil EngineeringContractor
Plumbing Contractor
Freelance Surveyor
Freelance Valuator
Building MaterialDealer
Land Developer
SYLLABUS
Module I
Advanced Surveying
Theory - Advanced Surveying
Unit 1 Chain Surveying 25 periods
Chain Surveying 3 periods
Linear measurements (Chain/ Tape) 4 periods
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VHSE Curriculum
Instruments used 3 periods
Ranging out survey lines (Direct method) 2 periods
Calculation of area (Triangulation only) 6 periods
Divide a given area into plots 3 periods
Read and locate position of a plot from litho map 4 periods
Unit 2 Levelling 37 periods
Instruments used 2 periods
Temporary adjustments 4 periods
Methods of levelling- Simple levelling & Differential levelling5 periods
Reduction of levels (HI/ HC method only) 7 periods
Contouring - Contour Interval - Horizontal equivalent - Characteristicsof contour lines - Uses - Locating contours - interpolation of contourlines 10 periods
Longitudinal sectioning and cross sectioning / Profile levelling9 periods
Unit 3 Total Station & GPS 40 periods
Parts and accessories of total station 2 periods
On board calculation 3 periods
Field operation 5 periods
Errors and rectification 8 periods
Precautions to be taken for using total station 4 periods
Advantages of total station 2 periods
Uses of total station 2 periods
Global Positioning System (GPS) - method of using handheld GPS9 periods
Practical - Advanced Surveying
Unit 1 Chain Surveying 25periods
Familiarisation of chain survey instruments
Preparation of site plan and computation of area of a given plot
Preparation of site plan, computation of area, division into plots ofsuitable area with road access
Unit 2 Levelling 93periods
Study of instruments
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Civil Construction Technology
Temporary adjustments of Dumpy Level
Taking reading from Staff
Simple levelling
Differential levelling
Contouring - preparation of contour plan
Longitudinal sectioning
Cross sectioning
Unit 3 Total Station & GPS 120 periods
Study of instruments
Setting up of total station
Measurement with total station
Preparation of computer drawing
Height and distance
Calculation of area
Verticality of a tower
Measurement with handheld GPS
TOTAL- 340 periods
Module II
Civil Construction & Draughtsmanship
Theory - Building materials & Construction
Unit 1 Building Materials 35 periods
Stones:- qualities - uses - dressing 3 periods
Bricks:- qualities, field tests, substitutes for brick (concrete block &interlocking bricks only) 10 periods
Sand:- Sources - types - qualities - bulking 4 periods
Cement:- Ingredients- field tests - types - grade 5 periods
Timber:- seasoning, structure of tree - defects in timber - qualities5 periods
Steel:- Market forms (angles, channels, Tee, I, square bar, ribbed bar,MS, HYSD & TMT) - sizes - properties of mild steel and HYSD.
8 periods
Unit 2 Advanced Construction Materials 20 periods
Plywood - laminated board - particle board - fibre board - gypsumboard - rubber wood (treated) 8 periods
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VHSE Curriculum
Aluminium:- advantages - uses 3 periods
Stainless steel 2 periods
Glass:- forms 3 periods
Wall putty 2 periods
Ferro-cement 2 periods
Unit 3 Building Construction 47 periods
Types of buildings (List the names as in KMBR & KPBR only)1 period
Parts of a building 1 period
Selection of site 1 period
Setting out of building 1 period
Foundation:-bearing capacity of soils - bearing capacities of differentsoils - methods of improving bearing capacity - types of foundation -shallow & deep foundations - open trench foundation (wall footing) -isolated footing - continuous footing - raft foundation - pile foundation(description only) - causes of failure of foundation. 4 periods
Masonry:- Stone Masonry: types- Ashlar fine only - random rubble -coursed rubble - dry rubble - masonry in cage (Gabbion) 4 periods
Brick masonry:- technical terms - bond - stretcher - header - arrises - bed- course - lap - closer - bat 4 periods
Types - English bond and Flemish bond - sketches (1 brick and 1 ½ brickthick walls only) - comparison of English bond and Femish bond.
5 periods
Doors, Windows & Ventilators:-- Doors:- Technical terms - types -framed and panelled - glazed - collapsible - revolving - rolling shutter- sliding - automatic sliding only 3 periods
Windows & Ventilators:- types - panelled & glazed - skylight -Common sizes of doors, windows & Ventilators 3 periods
Lintels & sunshades:- functions and construction details 1 period
Concrete:- PCC - Ingredients - qualities (brief description only) - watercement ratio - concrete mixing - types of mixing - ready mix concrete(RMC) - proportioning of concrete ,their strength and uses of M10 to M25mixes - admixtures - different methods of curing 4 periods
RCC:-Ingredients - Supervision of concrete works 1 period
Cement Mortar:- Ingredients - proportion for different uses -Preparation 1 period
Vertical Transportation:-Stair - technical terms - types based on shapeonly - requirements of a good stair -ramp - lift - escalator (briefdescriptions). 3 periods
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Civil Construction Technology
Roof & roof Covering:-Types and suitability of roof - Types and uses ofroof covering materials 2 periods
Flooring :-Types- choice of flooring - cement concrete - tile - timber -marble - granite - glass 1 period
Finishing works:-plastering - white washing - colour washing -distempering - painting (brief description only - methods of providingDPC - termite proofing - water proofing 4 periodsCost-effective & eco-friendly building materials 2 periods
Repair & Maintenance of buildings:- Common building defects andtheir symptoms - rectifications 2 periods
Practical- Building Drafting & Construction
Engineering Graphics 30 periods
Drawing Standards
Lettering, Numbering and Dimensioning
Projection of Points
Projection of Lines
Projection of planes
Orthographic projection of objects
Sectional views
Auxiliary views
Isometric views
Drawing of building parts 30 periods
English bond and Flemish bond (1 brick and 1½ brick thick walls only)right angled corner to a height up to 1m, with elevation
Isolated footing
Panelled door
Lintel with sunshade
Dog legged stair-plan & section
Building Drawing 70 periods
Single roomed building (Hall)
Single bed roomed residential building
Two bed roomed building
Three bed roomed building
Two storeyed residential building with three bed rooms
Village office building
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VHSE Curriculum
Commercial building
Computer Aided Drafting - 2D 70 periods
Introduction - commands
Preparation of drawings already specified in Building Drawing
Computer Aided Drafting - 3D 18 periods
One simple exercise only
Setting out a building 20 periods
Single bed roomed residential building
Two bed roomed building
Three bed roomed building
Total 340 periods
LEARNING OUTCOMES (LOs)
Module 1. Advanced surveying
The learner will be able to:
1.1 CHAIN SURVEYING1.1.1 explain chain surveying and use instruments for linear
measurements in surveying1.1.2 use aligning survey lines while measuring survey lines1.1.3 prepare plan and compute area of a given plot1.1.4 divide a field into plots providing road access to all plots1.1.5 read and locate positions of plots from lithomap.
1.2. LEVELLING1.2.1 describe the instruments Dumpy level & Levelling staff in
surveying1.2.2 do appropriate temporary adjustments while using dumpy
level1.2.3 perform various levelling works using different methods in
surveying1.2.4 calculate reduced levels by doing field practice1.2.5 prepare contour maps & do a complete topography study of
plot1.2.6 prepare LS & CS of proposed roads, canals and drainage
lines
1.3 TOTAL STATION & GPS
1.3.1 identify the parts of Total Station
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Civil Construction Technology
1.3.2 perform operations of Total Station in field and use fieldobservations for onboard calculation
1.3.2 identify the chances of errors crept into the instruments whiletaking readings & do proper rectifications
1.3.3 handle instrument with confidence & follow goodinstrumental practice
1.3.4 identify suitability of Total Station work in Surveying and listthe uses
1.3.5 make aware the latest & precise method of surveyingconsidering the suitability and economy.
MODULE 2. CIVIL CONSTRUCTION AND DRAGHTSMANSHIP
2.1. BUILDING MATERIALS2.1.1 select good quality stones for a particular situation2.1.2 select good quality bricks for appropriate situations2.1.3 select good quality sand and create awareness on the concept
of bulking2.1.4 select good quality cement according to its grade2.1.5 identify the defects in timber and select the best quality for
construction.2.1.6 identify the required section of steel with suitable size for
various construction works.
2.2. ADVANCED CONSTRUCTION MATERIALS2.2.1 identify the appropriate advanced timber material for
different construction works considering economy and time.2.2.2 identify aluminium as an advanced material considering its
economy and time for construction and explain itsadvantages & uses
2.3. BUILDING CONSTRUCTION2.3.1 classify buildings as per KMBR and KPBR according to
different purpose of building.2.3.2 analyse different parts of a building.2.3.3 choose appropriate site through reasoning, analyzing &
comparison2.3.4 execute the given plan in the proposed site.2.3.5 select appropriate foundation for different soil conditions2.3.6 select appropriate foundation for the given structure on a
given soil condition
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VHSE Curriculum
2.3.7 select the appropriate stone masonry and brick masonry fordifferent works and identify the situation and selects theappropriate masonry for different construction works
2.3.8 decide the required size, type and location of door, windowand ventilator for different buildings
2.3.9 identify the functions and working of lintels and sunshades2.3.10 select the appropriate concrete mixes & supervise the
construction of concrete works2.3.11 select suitable cement mortar for different works2.3.12 select appropriate stair considering size of room & type of
building, purpose & aesthetic value2.3.13 select roof & roof covering for types of buildings based on
different factors2.3.14 select suitable flooring material based on needs, cost, and
required speed of completion2.3.15 supervise various protective and decorative works in
buildings2.3.16 supervise various methods of damp proofing works2.3.17 detect defects for the maintenance of building & do
appropriate repair works
COURSE STRUCTURE
This course will consist of 4 modules such as:-
Sl .No Name of Module
1 Advanced surveying
2 Civil construction & draughtsmanship
3 Quantity surveying
4 Water supply & sanitary systems
CLASS ROOM ACTIVITIES• Demonstrations• Exhibitions• Charts• Diagrams• Animated CDs• Discussions• Interactive multimedia tools (www.sietkerala.gov.in)• Debate• Seminar• Project
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Civil Construction Technology
• Viva• Peer group learning• Quiz• Brainstorming• Role play
PRACTICAL ACTIVITIES
Survey practice
Preparation of site plan
Computation of area of a given plotFinding level difference by Simple LevellingFinding level difference by Differential LevellingPreparation of contour plan of a given plotPreparation of Longitudinal Section & Cross Section of a proposed roadMeasurement of horizontal angle, vertical angle & distance between towpoints.Preparation of site plan with total stationFinding the verticality of a towerLocating points with handheld GPSDrawingProjection of pointsProjection of lineProjection of planeOrthographic projection of objectsSections of solidsAuxiliary viewIsometric viewEnglish bond 1 & 1½ wall thicknessesFlemish bond 1 & 1½ wall thicknessesIsolated footingsPanelled viewLintel with sunshadeDog-legged stair. Plan & SectionBuilding Drawing (Single roomed building-Hall, Single bed-roomedresidential building, 2-bedroomed residential building, 3-bedroomedresidential building, 2-storeyed residential building with 3 bedrooms,Commercial building)
CAD - 2D (Drawings specified for Building Drawing)
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VHSE Curriculum
CAD - 3D Simple exercise(s)
Setting out of buildings
Single roomed building
Single roomed residential building
Two-bed roomed residential building• Interaction with Field Experts• Field Visit• Lab Work• Working Model• OJT• Plumbing practice• Valuation practice
ON THE JOB TRAIINING
Each module of the course deals specific skill. OJT is conducted for 7½days in the specific skill after each module. OJT can be arranged withvarious public and private organizations undertaking civil engineeringworks.
PUBLIC SECTOR PRIVATE SECTOR
Public Works Department Civil Construction companies
Water Resources Department Civil Construction Consultants
KSEB Civil Wing Construction Contractors
Kerala Water Authority Plumbing Consultants
Railways Plumbing Contractors
Airport Authority Quantity Surveyors / Valuators
Survey Department Survey Institutes
Harbour Engineering Department Material production centres
Kerala State Housing Board Nirmithi kendras
CERTIFICATION OF SKILLS IN EACH MODULEA) ADVANCED SURVEYINGB) CIVIL CONSTRUCTION & DRAUGHTSMANSHIPC) QUANTITY SURVEYINGD) WATER SUPPLY & SANITARY SYSTEMS
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Civil Construction Technology
OVERVIEW OF MODULE - 1
The module Advanced Surveying includes land surveying, total stationand GPS methods. As the cost of land is highly significant today, it isrelevant to perform survey with utmost care & accuracy. An intensivetraining is proposed in the curriculum that moulds an advancedSurveyor
Vocational skills expected from this module are• Prepare site plan & compute area of a given plot• Finding level difference by Levelling practice• Preparation of contour plan of a given plot• Preparation of Longitudinal Section & Cross Section of a proposed
road• Measurement of horizontal angle, vertical angle & find out the
distance between two points• Preparation of site plan with Total Station & finding the verticality
of a tower• Locating points with Handheld GPS & becomes able to use Total
Station & GPS to perform Survey• Prepare topographical maps of lands and draw longitudinal and
cross sections for civil engineering projects.
MODULE 1 Periods: 340
Unit No. Name of units Periods
1.1 Chain Surveying 65
1.2 Levelling 115
1.3 Total Station 160
Total Periods 340
30% of Total periods for theoryand 70% for practicals
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VHSE Curriculum
Mod
ule
1 :
AD
VA
NCE
D S
URV
EYIN
G
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t
•D
efin
ition
, obj
ects,
Instr
umen
ts us
edin
ch
ain
surv
eyin
g &
lin
ear
mea
sure
men
tsSk
ills:
Iden
tific
atio
n, M
easu
ring
•R
angi
ng
out
surv
ey
lines
(d
irect
met
hod)
Skill
s: A
lignm
ent s
kill
•C
alcu
latio
n of
are
a (T
riang
ulat
ion)
Skill
s: Co
mpu
tatio
n, D
rafti
ng•
Div
ide
an a
rea
into
plo
ts
•Ex
plai
n ch
ain
surv
eyin
g an
d us
ein
strum
ents
for
linea
rm
easu
rem
ents
in s
urve
ying
•U
se a
ligni
ng s
urve
y lin
es w
hile
mea
surin
g su
rvey
line
s
•Pr
epar
e pl
an a
nd c
ompu
tes
area
of
a giv
en p
lot
•D
ivid
es a
fiel
d in
to p
lots
prov
idin
gro
ad a
cces
s to
all
plot
s
•D
iscus
sion
of co
ncep
t of s
urve
ying
&
obje
cts
of
surv
eyin
g.D
emon
strat
ion
with
ac
tual
instr
umen
ts in
cl
assr
oom
mea
sure
men
t. D
iscus
sion
and
dem
onstr
atio
n w
ith
instr
umen
tsus
ed a
nd th
eir f
unct
ions
•D
emon
strat
ion
& d
iscus
sion
with
instr
umen
ts. D
iscus
s the
met
hod
ofra
ngin
g.•
File
d bo
ok m
easu
rem
ents
are g
iven
and
prac
tices
cal
cula
tion
of a
rea
•O
ral
test
of
the
conc
ept,
Prac
tical
act
ivity
•Pa
rtici
patio
n in
disc
ussio
n
•A
ctiv
ity lo
g
Skill
: Le
arne
rs b
ecom
es a
ble
to p
erfo
rm c
hain
sur
vey
to c
ompu
te t
he a
rea
of a
ny p
lot.
Uni
t :
Chai
n su
rvey
ing
(25
peri
ods)
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Civil Construction Technology
Mod
ule
1 :
AD
VA
NCE
D S
URV
EYIN
G
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t
•In
strum
ents
used
- D
umpy
leve
l and
leve
lling
staf
fSk
ill: I
dent
ifica
tion s
kills
•Te
mpo
rary
adj
ustm
ents
of a
leve
lSk
ill: H
andl
ing i
nstru
men
ts•
Met
hods
of l
evel
ling
(sim
ple a
nd d
iffer
entia
l lev
ellin
g)sk
ill: o
pera
tion
•R
educ
tion
of le
vels
(HI/H
C m
etho
don
ly)
Skill
: Com
puta
tion s
kill
•C
onto
urin
g-co
ntou
r in
terv
al-
horiz
onta
l equ
ival
ent -
char
acte
ristic
sof
con
tour
lin
es-u
ses
of c
onto
ur-
loca
ting
cont
our
Skill
: co
nstru
ctiv
e,
Loca
ting,
Man
ipul
ate,
Sket
ch, R
ecor
d, C
lass
ify,
Imag
ine
•Lo
ngitu
dina
l sec
tion
&cr
oss s
ectio
n/pr
ofile
leve
ling
Skill
:Loc
atin
g, C
onstr
uctiv
e cho
osin
g,
•D
escr
ibes
the
ins
trum
ents
Dum
pyle
vel &
Lev
ellin
g sta
ff in
surv
eyin
g
•D
oing
ap
prop
riate
te
mpo
rary
adju
stmen
ts w
hile
usin
g dum
py le
vel
•Pe
rform
s va
rious
lev
elin
g w
orks
usin
g diff
eren
t met
hods
in su
rvey
ing
•C
alcu
late
s re
duce
d le
vels
by d
oing
field
pra
ctic
e
•Pr
epar
es c
onto
ur m
aps
& d
oing
aco
mpl
ete
topo
grap
hy st
udy
of p
lot
•Pr
epar
es L
S &
CS
of p
ropo
sed
road
s, ca
nals
and
drai
nage
line
s
•In
tera
ctiv
e m
ultim
edia
Dem
onstr
atio
n
•D
emon
strat
ion
•D
iscus
sion
with
ske
tche
s
•D
iscus
sion
- pro
blem
solv
ing
•D
iscus
sion
- de
mon
strat
ion
with
exist
ing
cont
our
map
s -
prac
tical
wor
ks
•D
iscus
sion,
de
mon
strat
ion
with
exist
ing
cont
our
map
s, pr
actic
alw
orks
•A
ctiv
ity lo
g
•Pr
actic
al w
ork
•C
lass
tes
t
•A
ctiv
ity lo
g
•C
lass
test
- se
min
ar
•A
ctiv
ity lo
g
Uni
t :
Leve
lling
(25
per
iods
)
Page - 67
VHSE Curriculum
Mod
ule
1 :
AD
VA
NCE
D S
URV
EYIN
G
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t
•Pa
rts &
acc
esso
ries
of T
otal
sta
tion
Skill
:Fam
ilaris
atio
n of
instr
umen
t•
Fiel
d op
erat
ion,
On
boar
d ca
lcul
atio
nSk
ill
: O
pera
tion
skill
, D
igita
lco
mpu
tatio
n•
Erro
rs a
nd re
ctifi
catio
nSk
ill: P
reci
sion i
n han
dlin
g
•Pr
ecau
tions
to
be t
aken
for
tot
alsta
tion
Skill
: Han
dlin
g ski
ll•
Adv
anta
ges
of T
otal
sta
tion
•U
ses
of T
otal
sta
tion
Skill
: Sel
ectio
n, T
echn
olog
y upd
atio
nEx
ecut
ion,
Ana
lyzi
ng, R
easo
ning
•G
loba
l pos
ition
ing
syste
m (G
P S
)Sk
ill:
tech
nolo
gy
upda
tion,
Kno
wle
dge
upda
tion,
Pr
ecise
surv
eyin
g
•Fa
mila
rise t
he p
arts
of T
otal
Sta
tion
•Pe
rform
ope
ratio
ns o
f Tot
al S
tatio
nin
fiel
d an
d us
es fi
eld
obse
rvat
ions
for o
nboa
rd c
alcu
latio
n•
Iden
tify
the
chan
ces o
f erro
rs c
rept
into
the
ins
trum
ents
whi
le t
akin
gre
adin
gs &
thei
r rec
tific
atio
ns•
Han
dle
instr
umen
t with
con
fiden
ce&
follo
w g
ood
instr
umen
tal p
ract
ice
•Id
entif
y su
itabi
lity
of T
otal
Sta
tion
wor
k in
Sur
veyi
ng a
nd li
st th
e us
es
•A
war
e th
e la
test
&pr
ecise
met
hod
of su
rvey
ing
•D
emon
strat
ion
with
tota
l sta
tion
•D
emon
strat
ion
with
tot
al s
tatio
nM
ulti
med
ia p
rese
ntat
ion
•G
ener
al d
iscus
sion
•Se
min
ar
•D
iscus
sion
Mul
timed
iaD
emo
with
instr
umen
t
•Fi
eld v
isit
Disc
ussio
nC
onsu
ltatio
n w
ith e
xper
tO
JT
•A
ctiv
ity lo
g
•A
ssig
nmen
t - c
lass
test
•A
ctiv
ity lo
g
•Pa
rtici
patio
n - R
epor
t
•C
lass
Tes
t, A
ctiv
ity lo
g
•O
JT r
epor
tC
lass
tes
tQ
uiz
Uni
t :
Tota
l sta
tion
& G
PS (
25 p
erio
ds)
Sam
ple
Que
stio
ns1.
List
the
tem
pora
ry a
djus
tmen
ts to
be
perf
orm
ed a
t a le
vel s
et u
p.2.
Expl
ain
the
met
hod
of, u
sing
fiel
d ob
serv
atio
ns fo
r on
boar
d ca
lcul
atio
n in
a T
otal
Sta
tion.
Page - 68
Civil Construction Technology
OVERVIEW OF MODULE - 2
The module Civil Construction & Draughtsmanship includes the studyof Building Materials and Construction, Engineering Graphics,Building Drawing, Computer Aided Drafting both 2D and 3D andsetting out of buildings. The module aims the moulding of a buildingconsultant & draughtsman with supervisory skills.
Vocational skills expected from this module are• Application of Engineering Graphics• Drawing and supervision of brick masonry• Drawing and construction of foundation footings• Drawing plan & section of stairs• Building Drawing (Single roomed building (Hall) - Single bed-
roomed, Two bed-roomed and three bed-roomed residentialbuildings - Two-storeyed residential building with 3 bed-rooms- Commercial buildings
• Computer aided drafting 2D and 3D• Setting out of buildingsMODULE 2
MANUAL ACCOUNTING PRACTICESPeriods: 340
Unit No. Name of units Periods
2.1 Building Materials 35
2.2 Advanced Construction Materials 20
2.3 Building Construction 47
2.4 Engineering Graphics 30
2.5 Drawing of building parts 30
2.6 Building Drawing 88
2.7 Computer Aided Drafting 70(2D & Introduction to 3D)
2.8 Setting out of building 20
TOTAL PERIODS 340
30% of Total periods for theory and70% for practicals
Page - 69
VHSE Curriculum
Mod
ule
2 :
Civi
l Co
nstr
uctio
n &
Dra
ught
sman
ship
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t•
Ston
eQ
ualit
ies,
dres
sing,
Skill
: sel
ectio
n•
Bric
ksQ
ualit
ies,
field
tes
t su
bstit
ute
for
bric
ks
(con
cret
e bl
ocks
an
din
terlo
ckin
g br
icks
)Sk
ill: S
elec
tion
•Sa
ndSo
urce
s, ty
pes,
qual
ities
, bul
king
.Sk
ill: s
elec
tion
- con
cept
ion.
•C
emen
tC
onte
nt, f
ield
test,
type
s, gr
ade
Skill
: Com
paris
on, S
elec
tion
•Ti
mbe
rSe
ason
ing,
stru
ctur
e of
tree
, def
ects
in ti
mbe
r, qu
aliti
es.
Skill
: A
naly
sing,
O
bser
vatio
n,se
lect
ion
skill
•St
eel
Mar
ket
form
s, (a
ngle
s, ch
anne
ls,Te
e,
I, Sq
uare
B
ar,
M.S
,H
YSD
&TM
T)Si
zes,
Prop
ertie
s of .
M.S
and.
HY
SDSk
ill: s
elec
tion,
iden
tific
atio
n
•Se
lect
goo
d qu
ality
sto
nes
for
apa
rticu
lar s
ituat
ion
•Se
lect
goo
d qu
ality
bric
ks f
or a
appr
opria
te si
tuat
ions
•Se
lect
s goo
d qu
ality
sand
, ide
ntifi
esth
e co
ncep
t of b
ulki
ng•
Sele
ct
good
qu
ality
ce
men
tac
cord
ing
to it
s gr
ade
•Id
entif
y th
e de
fect
s in
tim
ber
and
sele
cts
the
best
qual
ity t
imbe
r fo
rco
nstru
ctio
n.•
Iden
tify
the r
equi
red
sect
ion
of st
eel
with
su
itabl
e siz
e fo
r va
rious
cons
truct
ion
wor
ks.
•Fi
eld
visit
-Q
uarry
visi
t -D
iscus
sion
-C
hart
-pr
esen
tatio
n•
Visi
t to
m
anuf
actu
ring
units
-
Sem
inar
- de
mon
strat
ion
•Fi
eld v
isit,
Disc
ussio
n,Sa
mpl
e col
lect
ion,
Clas
sroo
m .e
xper
imen
t•
Mar
ket s
tudy
Indu
stria
l visi
tSe
min
ar•
Fiel
d visi
tSk
etch
/cha
rtD
iscus
sion
•B
rain
sto
rmin
g an
d ge
nera
ldi
scus
sion.
Dem
onstr
atio
n w
ith s
teel
sec
tions
,in
dustr
ial v
isit
•sa
mpl
e co
llect
ion
-ch
art
- pi
ctur
e al
bum
-
repo
rts
•R
epor
tsR
epor
t -
clas
s te
st -
verif
icat
ion
of co
llect
ion
•R
epor
tsR
epor
t - C
lass
test
- Qui
z
•A
ssig
nmen
t -
sam
ple
colle
ctio
n - r
epor
t
Uni
t :
BUIL
DIN
G M
ATE
RIA
LS (
35 p
erio
ds)
Page - 70
Civil Construction Technology
Mod
ule
2 :
Civi
l Co
nstr
uctio
n &
Dra
ught
sman
ship
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t•
Ply
woo
d, la
min
ated
boa
rd, p
artic
lebo
ard,
fib
re b
oard
, gy
psum
boa
rd,
rubb
er w
ood(
treat
ed),
Skill
: ide
ntifi
catio
n, se
lect
ion
•A
lum
iniu
mA
dvan
tage
s-us
esSk
ill: S
elec
tion s
kill
Eco
frien
dly
and
Low
cost
tech
niqu
es
•Id
entif
y th
e ap
prop
riate
adv
ance
dtim
ber
mat
eria
l fo
r di
ffere
ntco
nstru
ctio
n w
orks
. C
onsid
erin
gec
onom
y an
d sp
eed
in co
nstru
ctio
n.•
Iden
tify
alum
iniu
m a
s an
adva
nced
cons
truct
ion
mat
eria
l con
sider
ing i
tsec
onom
y an
d sp
eed
of c
onstr
uctio
nan
d de
scrib
es it
s adv
anta
ges &
use
s
•D
emon
strat
ion
with
sa
mpl
esk
etch
es,
Mul
timed
iaFi
eld v
isit
Mar
ket S
tudy
•Sk
etch
and
Sam
ple
dem
onstr
atio
nw
ith d
iscus
sion
- fie
ld v
isit
•Fi
eld
repo
rt,M
arke
t stu
dy re
port,
Sam
ple
Col
lect
ion,
Ph
oto
Alb
um•
Sam
ple
colle
ctio
n -
assig
nmen
t rep
ort
Uni
t :
AD
VA
NCE
D C
ON
STRU
CTIO
N M
ATE
RIA
LS (
20 p
erio
ds)
Mod
ule
2 :
Civi
l Co
nstr
uctio
n &
Dra
ught
sman
ship
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t•
Type
s of b
uild
ing
(list
nam
es a
s K
MBR
and
KPB
Ron
ly)
Skill
: cla
ssifi
catio
n•
Parts
of a
bui
ldin
gSk
ill: a
naly
se
•Se
lect
ion
Site
Skill
: R
easo
ning
, A
naly
zing
,Co
mpa
rison
•Se
tting
out
of b
uild
ing
Skill
: Loc
ate
- Ex
ecut
ion
•Fo
unda
tion
Bea
ring
capa
city
of
soils
, B
earin
gCa
paci
ty of
diffe
rent
soils
, Met
hods
ofim
prov
ing
bear
ing
capa
city
.Sk
ills:
Sele
ctio
n, C
ompa
rison
,A
pply
kno
wle
dge.
•Cl
assif
y bui
ldin
gs as
per K
MBR
and
KPB
R
acco
rdin
g to
di
ffere
ntpu
rpos
e of b
uild
ing.
•A
naly
ses
diffe
rent
pa
rts
of
abu
ildin
g.
•C
hoos
e ap
prop
riate
sit
e th
roug
hre
ason
ing,
anal
yzin
g &
com
paris
on
•Ex
ecut
e th
e gi
ven
plan
in
th
epr
opos
ed s
ite.
•Se
lect
app
ropr
iate
fou
ndat
ion
for
diffe
rent
soil
cond
ition
s
•G
roup
di
scus
sion
and
gene
ral
disc
ussio
n.Fa
mili
arisa
tion
with
KM
BR a
ndK
PBR
.•
Sket
ch/m
ultim
edia
.M
odel
pre
sent
atio
n.Li
brar
y re
fere
nces
•Fi
eld
visit
/Gro
up D
iscus
sion
deba
te
•Pr
actic
al e
xerc
iseIn
tera
ctiv
e m
ultim
edia
.
•Fi
eld
visit
/ mul
timed
ia, d
iscus
sion
•Pi
ctur
e A
lbum
•Po
rtfol
io (b
uild
ing)
- re
port
•Fi
eld
Rep
ort,
Ora
l tes
t
•V
erifi
catio
n of
pre
pare
d se
tou
t pla
n of t
he gi
ven b
uild
ing
plan
.•
Cla
ss te
st -
repo
rt
Uni
t :
BUIL
DIN
G C
ON
STRU
CTIO
N (
47 p
erio
ds)
Page - 71
VHSE Curriculum
Mod
ule
2 :
Civi
l Co
nstr
uctio
n &
Dra
ught
sman
ship
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t•
Type
s of
fo
unda
tion,
de
ep
and
shal
low
fo
unda
tion,
op
en
trenc
hfo
unda
tion
(wal
l fo
otin
g),
raft
foun
datio
n, c
ontin
uous
foot
ing,
pile
foun
datio
n(de
scrip
tion
only
), ca
uses
and
failu
re o
f fou
ndat
ion.
Skill
: Ide
ntifi
catio
n,A
naly
sing,
Reas
onin
g,A
pply
kno
wle
dge
•St
one
mas
onry
& B
rick
mas
onry
Type
s of
sto
ne m
ason
ryA
shla
r(fin
e onl
y), R
ando
m ru
bble
,Co
urse
d ru
bble
, Dry
rubb
le, M
ason
ryin
cag
e(ga
bbio
ns)
Tech
nica
l Te
rms:
Boa
rd s
tretc
her,
head
er,
arris
es-b
ed-c
ours
e-la
p-cl
oser
-bat
Typ
es o
f br
ick
mas
onry
:(E
nglis
h bo
nd a
nd F
lem
ish B
ond)
,Sk
etch
es(1
an
d ½
th
ick
wal
ls),
com
paris
on o
f En
glish
bon
d an
dFl
emish
bon
d. C
ompa
rison
of s
tone
mas
onry
and
bric
k m
ason
rySk
ill: I
dent
ifica
tion -
Sel
ectio
n - M
atch
•D
oors
, Win
dow
s, V
entil
ator
s.D
oors
: Tec
hnic
al te
rms,
Type
s(fra
med
, pa
nelle
d,
Gla
zed,
colla
psib
le, r
evol
ving
, rol
ling s
hutte
rs,
slidi
ng d
oor
and
auto
mat
ic s
lidin
gdo
ors)
•Se
lect
appr
opria
te fo
unda
tion f
or th
egi
ven
stru
ctur
e on
a g
iven
soi
lco
nditi
on
•Se
lect
th
e ap
prop
riate
sto
nem
ason
ry a
nd b
rick
mas
onry
for
diffe
rent
wor
ks a
nd i
dent
ify t
hesit
uatio
n an
d se
lect
s the
appr
opria
tem
ason
ry f
or d
iffer
ent c
onstr
uctio
nw
orks
•D
ecid
e th
e re
quire
d siz
e, ty
pe a
ndlo
catio
n of
do
or,
win
dow
an
dve
ntila
tor f
or d
iffer
ent b
uild
ings
•D
emon
strat
ion
of
foun
datio
nsth
roug
h mul
timed
iaD
iscus
sion,
Fiel
d Visi
t,O
.J.T
•Sk
etch
/ C
hart
Mul
timed
ia,
Disc
ussio
n,Se
min
ar.
Disc
ussio
n,D
ebat
e
•D
emon
strat
ion
of re
al o
bjec
ts in
the
clas
sroo
m -
Ske
tche
s -
char
t -
disc
ussio
n -
Libr
ary
refe
renc
es -
Fiel
d visi
t
•Ev
alua
tion
of
prep
ared
sket
ches
,fie
ld re
port,
clas
s te
st
•Pa
rtici
patio
n,Se
min
ar re
port,
Act
ivity
log,
Ora
l tes
t
•La
belli
ng th
e giv
en sk
etch
es-
albu
ms
- co
llect
ion
and
clas
s te
st -
repo
rt
Uni
t :
BUIL
DIN
G C
ON
STRU
CTIO
N (
47 p
erio
ds)
Page - 72
Civil Construction Technology
Mod
ule
2 :
Civi
l Co
nstr
uctio
n &
Dra
ught
sman
ship
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
tW
indo
ws
&
Ven
tilat
ors:
Type
s(P
anel
led
- gla
zed
- sky
light
)Co
mm
on si
zes o
f doo
rs, w
indo
ws &
vent
ilato
rsSk
ill:
Cla
ssifi
catio
n,
Sele
ctio
n,C
ateg
orise
, Loc
ate,
Dec
ision
mak
ing
•Li
ntel
s &
Sun
shad
es:
Func
tions
& c
onstr
uctio
n de
tails
.Sk
ill: a
pply
know
ledg
e•
Con
cret
e -
PCC
-
ingr
edie
nts
-qu
aliti
es (
brie
f de
scrip
tion
only
) -
wat
er c
emen
t rat
io -
conc
rete
mix
ing
- ty
pes
of
mix
ing
- re
ady
mix
conc
rete
(R
MC
) -
prop
ortio
ning
of
conc
rete
and
thei
r stre
ngth
s and
use
sof
M10
to M
25 m
ixes
- ad
mix
ture
s -di
ffere
nt m
etho
ds o
f cu
ring
- R
CC
(ingr
edie
nts &
supe
rvisi
on o
nly)
Skill
s: su
perv
ising
-
tech
nolo
gyup
datio
n - se
lect
ion -
deci
sion m
akin
g•
Cem
ent
mor
tar
Ingr
edie
nts -
pro
porti
on fo
r diff
eren
tus
es &
mix
ing
for d
iffer
ent u
ses
Skill
s: Su
perv
ision
- c
ompa
rison
-se
lect
ion
- dec
ision
mak
ing
•V
ertic
al tr
ansp
orta
tion
Stai
r (T
erm
s an
d ty
pes
base
d on
shap
e on
ly)
- br
ief
desc
riptio
ns o
fra
mp,
lift
& e
scal
ator
Skill
: Loc
atin
g- ae
sthet
ic- t
echn
olog
yup
datio
n
•Id
entif
y th
e fu
nctio
ns a
nd w
orki
ngof
lint
els a
nd su
nsha
des
•Se
lect
th
e ap
prop
riate
co
ncre
tem
ixes
& su
perv
ises t
he co
nstru
ctio
nof
con
cret
e w
orks
•Se
lect
suita
ble c
emen
t mor
tar m
ixes
for d
iffer
ent w
orks
•Se
lect
app
ropr
iate
stai
r con
sider
ing
size
of r
oom
& t
ype
of b
uild
ing,
purp
ose
& a
esth
etic
val
ue
•D
iscus
sion
with
ske
tche
s -
OJT
-Fi
eld v
isit
•Fi
eld
visit
- in
tera
ctiv
e mul
timed
ia -
gene
ral d
iscus
sion
- bra
insto
rmin
g
•Fi
eld
visit
- PT
C
•D
iscus
sion
with
sk
etch
es
-ph
otog
raph
s -
mul
timed
ia
-pr
esen
tatio
n - v
ideo
s - s
emin
ar
•Fi
eld
repo
rt -
OJT
rep
ort
-A
ctiv
ity l
og -
Ora
l te
st -
Dra
win
g te
st•
Fiel
d re
port
- Tes
t
•Fi
eld
repo
rt - o
ral t
est
•A
lbum
-
pres
enta
tion-
parti
cipa
tion
Uni
t :
BUIL
DIN
G C
ON
STRU
CTIO
N (
47 p
erio
ds)
Page - 73
VHSE Curriculum
Mod
ule
2 :
Civi
l Co
nstr
uctio
n &
Dra
ught
sman
ship
Idea
s/C
once
pts/
Skill
Lear
ning
Out
com
esSu
gges
ted
Act
iviti
esA
sses
smen
t•
Roof
& R
oof c
over
ing
Type
s & su
itabi
lity
of ro
of -
type
s &us
es o
f roo
f cov
erin
g m
ater
ials
Skill
s: se
lect
ion
- cla
ssifi
catio
n•
Floo
ring
Type
s - c
hoic
e of
floo
ring
- cem
ent
conc
rete
- ti
led
- tim
ber
- m
arbl
e -
gran
ite -
glas
sSk
ill:
Sele
ctio
n -
clas
sific
atio
n -
aesth
etic
skill
s - c
ompa
rison
•Fi
nish
ing
wor
ksPl
aste
ring
- w
hite
was
hing
- c
olou
rw
ashi
ng -
dist
empe
ring
- pa
intin
g(b
rief d
escr
iptio
ns o
nly)
Skill
s: Su
perv
ision
- c
ompa
rison
-se
lect
ion
- aes
thet
ic sk
ills
•D
PCM
etho
ds o
f pro
vidi
ng D
PCSk
ills:
Supe
rvisi
on
- an
alys
is -
sele
ctio
n•
Rep
air &
Mai
nten
ance
of B
uild
ings
Com
mon
def
ects
and
sym
ptom
s -
rect
ifica
tion
of d
efec
tsSk
ills:
Obs
erva
tion
- D
etec
tion
-Se
lect
ion -
Iden
tific
atio
n - S
uper
visio
n
•Se
lect
roo
f &
roo
f co
verin
g fo
rty
pes o
f bui
ldin
gs b
ased
on
diffe
rent
fact
ors
•Se
lect
su
itabl
e flo
orin
g m
ater
ial
base
d on
nee
ds, c
ost,
and
requ
ired
spee
d of
com
plet
ion
•Su
perv
ise v
ario
us p
rote
ctiv
e an
dde
cora
tive w
orks
in b
uild
ings
•Su
perv
ise v
ario
us m
etho
ds o
f dam
ppr
oofin
g w
orks
•D
etec
t def
ects
for t
he m
aint
enan
ceof
bui
ldin
g &
doi
ng a
ppro
pria
tere
pair
wor
ks
•D
emon
strat
ion
of p
hoto
grap
hs -
mar
ket s
urve
ys -
Fiel
d vi
sit
•D
ebat
e - s
ketc
h - f
ield
visi
t - O
JT -
Mul
timed
ia
•Fi
eld
visit
- m
ultim
edia
- vi
deos
-O
JT -
grou
p di
scus
sion
•Fi
eld
visit
- m
ultim
edia
- di
scus
sion
- pr
esen
tatio
n
•V
ideo
s -m
ultim
edia
- pr
esen
tatio
n -
gene
ral
disc
ussio
n -
cons
ulta
tion
with
fie
ld e
xper
ts -
inte
rvie
ws
-se
min
ars
•Su
rvey
re
port
- ph
oto
pres
enta
tion
- cl
ass
test
-de
bate
•Pa
rtici
patio
n in
deb
ate
- ora
lte
st - f
ield
repo
rt
•Fi
eld
repo
rt -
disc
ussio
nno
tes
- cl
ass
test
•Fi
eld
visit
repo
rt - c
lass
test
-su
rvey
rep
ort
•R
epor
ts -
note
s -
tests
-as
signm
ents
- qu
estio
nnai
repr
epar
atio
n fo
r int
ervi
ew
Uni
t :
BUIL
DIN
G C
ON
STRU
CTIO
N (
47 p
erio
ds)
Sam
ple
Que
stio
ns1.
Expl
ain
the
adva
ntag
es o
f al
umin
ium
as
a bu
ildin
g m
ater
ial.
2.Su
gges
t a s
uita
ble
stai
r w
hen
the
spac
e av
aila
ble
is li
mite
d an
d pr
epar
e sk
etch
.
Page - 74
Civil Construction Technology
Mod
ule
1
Cha
in S
urve
ying
1.M
etric
Cha
in (2
0m)
-3
nos.
2.M
etric
Cha
in (3
0m)
-1
no.
3.A
rrow
s-
10 n
os.
4.C
ross
Sta
ff (O
pen)
-4
nos.
5.Ra
ngin
g Ro
d-
20 n
os.
6.Ta
pe (
PVC,
20m
)-
4 no
s.L
evel
ling
7.D
umpy
Lev
el w
ith tr
ipod
-4
nos.
8.Le
velli
ng S
taff
(4m
)-
4 no
s9.
Tota
l Sta
tion
with
acc
esso
ries
-2
nos.
10.
Glo
bal P
ositi
onin
g Sy
stem
(Han
d op
erat
ed)
-1
no.
11.
Pers
onal
Com
pute
r with
MS-
Win
dow
s ins
talle
d-
1 no
.
Mod
ule
II
12.
Dra
win
g Bo
ard
-30
nos
.13
.Co
mpu
ter w
ith M
S-W
indo
ws
& D
rafti
ngpr
ogra
m in
stalle
d-
14 n
os.
14.
Prin
ter
-1
no.
15.
Woo
den
pegs
(60m
long
)-
50 n
os.
16.
Nyl
on th
read
-3
rolls
LIST
OF
INST
RU
MEN
TS &
TO
OLS
Page - 75
VHSE Curriculum
DETAILED UNIT ANALYSIS
Unit : Chain Surveying
Contentsi. Chain Surveyingii. Linear measurements (Chain/ Tape)iii. Instruments usediv. Ranging out survey lines (Direct method)v. Calculation of area (Triangulation only)vi. Divide a given area into plotsvii. Read and locate position of a plot from litho map
Learning Activities
i. Chain Surveying: Definition, Objects
ii. linear measurements
iii. Instruments used
Suggested Activity : Discussion & Demonstration, Practical work
Act.I. Demonstration by the Teacher
Discussion of concept of surveying & Object of surveying.Demonstration with actual instruments in classroom measurements.
Discussion and Demonstration with instruments used and theirfunctions
Discussion Points• Need of land measurement• Objects of surveying
Act.II. Practical work by the studentsMeasurement horizontal dimensions such as length, breadth anddiagonal of classroom is measured by students.
iv. Ranging out survey lines
Suggested Activity : Demonstration & discussion with instruments
Act.I. Demonstration by the TeacherDemonstrate the method of ranging in the classroom with the aidof ranging rods.
Discussion PointsLocate intermediate points
Act.II. Practical work by the studentsStudents practice the method of ranging.
Page - 76
Civil Construction Technology
v. Calculation of area
Suggested Activity : Problem solving exercises
Act.I. Demonstration by the TeacherPreparation of sketches and exercises based on samplemeasurements.
Discussion Points
Formulae / tabular columns used
Act.II. Practical work by the students
Exercises
vi. Divide a given area into plots
Act.I. Drawing exercises
Drawing of a site plan is given. Students are asked the divide the givenplot into specified number of plots with road access.
Act.II. Practical work
Setting out of the specified number of plots on the field which has beendone in the Act (I).
vii. Read and locate position of a plot from litho map
Act.I. Field visit
Conduct field visits to the revenue offices where the litho maps areavailable to familiarize with the maps and location of positions.
BOOKS & INSTRUCTIONAL MATERIAL
Module - I1. Comprehensive Basic Civil Engineering
Dr. B.C Punmia, Ashok Jain & Arun. K. JainLaxmi Publications (P) Ltd.
2. Sumeying & Levelling, 1994Basak, McGraw-Hill Education (India) Private Limited
3. SurveyingMiniDas Saikia, Bhargah MohanDas & Madan MohanDasPHI Learning
4. Advanced Surveying - Total Statics, GIS and Remote SensingSathish Gopi, R. SathiKumar & N. MadhuPearson Education
5. GPS for Land Surveyors, 3rd ed., 2008
Page - 77
VHSE Curriculum
Module - II1. Civil Engineering Materials
Rangwala. S.CTata McGraw-Hill Publishing Company Ltd.
2. Building construction, 2009Rangwala SCCharotar Publishing House Pvt. Ltd
3. Building ConstructionDr. B. C. PunmiaLaxmi Publications (P) Ltd.
4. Elements of Civil Engineering, 2003Anurag KandyaCharotar Publishing House Pvt. Ltd.
5. Engineering Graphics, 2nd ed.A.M. Chandra & Satish ChandraAlpha Science International Ltd
6. Engineering Graphics with Auto CADD.M. Kulkarni, A.P. Rastogi & A.K. Saika
7. SIET, Kerala Websitewww.sietkerala.gov.inInteractive multimedia tools for VHSE - CCM