Annex-VI - Sarva Shiksha Abhiyan

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26 Νοε 2013 (πριν από 3 χρόνια και 6 μήνες)

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1

Role of Third Party Quality
Consultant in Achieving
Quality in Construction

Presented by





Prof.
Madhav

Mulay
.


Ex
-
HOD
,
Deptt
. Of Civil Engineering,


Prof. Ramesh Prasad
Goojar
.


HOD
,
Deptt
. Of Civil Engineering,

Govt. Polytechnic Thane

2

Role of consultant in quality related
issues and implemented solution
described here is based on hands
on experience gained.




The issue of quality is important in view of
economizing the construction cost, durability,
utility, and use of local material as well as
manpower.

5

Quality Related Issues
Experienced

and Solutions provided


Capacity building


Quality of Material & Testing


Problem solving


Site Innovations


Reporting & Documentation


Counseling of Stake holders

Capacity building


Training cum awareness
programmes conducted
before, and during the
construction Activity




For Z.P. officers and
Engineers, at district
levels.



And for SMC members
at Block levels

6

7

Capacity Building





Details

Implemented solutions

Fresh Officers,
& Engineers
lacks in
experience of
RCC
construction
work as well as
in Executing the
work under
people’s
participation
mode


Emphasis is given on Reinforcement
detailing , advance construction
techniques


Awareness about of latest IS codes &
earth quake resistant construction.


Explanation by Use of 3 D Modeling
during Training


Selection of material, field and laboratory
tests .


The Training is supported by illustrative Manual
on best practices for
RCC

construction written in
local language.



Reinforcement detailing


8

Capacity building

9

ILLUSTRATED 3D MODEL OF KITCHEN
SHEDS


All the Major Materials required for
R.C.C
. Work
Tested on field as well as in Laboratory to the
extent of minimum 60 % of works in each Block



Mix design for at least each source area carried
out before execution of work and same mix
followed in future part of the works



10

Quality of Material & Testing


Members of SMC specifically trained in
procuring Quality construction Materials.

works



Main emphasis is given on


Selection of Materials,


Field Testing of Materials


Precautions in using Materials


Best practices of construction


11

Quality of Material & Testing

Field Tests on Materials

Field test on
Sand and
procedure of
washing it

12

Quality check
for
Bricks


13

Correct way of laying
Bricks

Bricks should be Wetted for
Two Hrs before use

14



Use of measuring Boxes for
Volumetric Mix

Method
of
Thorough Dry
Mixing of
Concrete


Correct &
Incorrect Way
of placing
Concrete


15

16


Reinforcement Steel test on computer operated Machine

17

Rebound Hammer Test of Concrete Beam

18

Problem Solving
-
R .C .C . Designs




Details


Implemented solutions


Typical
Architectural and
structural
drawings for the
school buildings
are supplied by
MPSP it did not
considered
various local site
condition.



Separate designs
considering foundation
strata provided to
economize the cost of
structure


Considering the coastal
area of Maharashtra
modification in foundation
such as provision of Col
-
crete

concrete Layer
below footing is proposed

19

Problem Solving
-

RCC Designs




Details


Implemented solutions


Non availability
of Land, Variation
in foundation
strata Likelihood
of shallow water
table.


Issue of Large
span and
Positioning of
Columns, Laying
of Reinforcement




Considering shortage of
land available & Variation
in strata construction of
multi
-
storied
RCC

structures proposed


Possibility of alternative
economical design by
dividing the span with
provision of additional
column in walls is
considered

20

Foundation Problem

water logged area

21

Proposed foundation in
Waterlogged Area

22

Common Quality issues / Problems


Details


Implemented solutions


Problems of
quality in RCC
framed
structure work
are due to lack
of knowledge in
construction
processes and
lack of
experiences in
constructing
RCC structure.


Concerned supervisors , SMC
members given input on construction
of RCC structure.


Timely visit by Consultants helped
in eliminating poor quality concrete


Attention on following issues is
specifically given

Cutting, bending, laying,
binding of bars, Importance of
Negative Reinforcement, lap
length in Tension and
Compression

23

Common Quality issues / Problems


Details


Implemented solutions


Problems of quality in
RCC framed structure
work are due to lack of
knowledge in
construction processes
and lack of experiences in
constructing RCC
structure.



Size and slope of form
work and centering


Proper size of cover in
coastal areas



Removal of form work and
centering


Curing of sloping Concrete
slabs

25

G+2 RCC School Building

26

G+1 RCC School Building

27

Sloping RCC slab Roof School Building

28

RCC flat +Pyramid shape Slab Roof
CRC Building

29

RCC flat +Sloping Slab Roof School
Building

30

RCC flat +2 Pyramid shape Slab Roof
CRC Building

31

Site innovations


Details


Implemented solutions


The school
buildings are
constructed with
sloping /
Pyramid shape
slab


Innovative method of
filling the concrete from
Lower side towards
Ridge is developed and
the workers are trained
to get quality


32

Sloping Slab Laying & compaction Technique

33

Sloping Slab Integral Water proofing

34

Site Innovations


Details


Implemented solutions


Unsuitability of


Ponding

method
on non
approachable
sloping slab


Scarcity of water


Alternative method
using locally available
material such trickling of
water through PVC pipes
on Sloping slab covered
with straw or gunny bag
is innovated, practiced
and recommended

35

Sloping Slab Trickle curing Technique

36

Sloping Slab Trickle curing Technique

37

Site Innovations


Details


Implemented solutions


Better solution
for strengthening
of poor quality
concrete by
retrofitting


Non destructive testing
are done at intermediate
stages and poor quality
concrete is strengthen by
retrofitting

Retrofitting of column

38

39

Documentation


Details


Implemented solutions


All major
events,
occurrences,
test report,
photo graph
are
maintained
for future
references
and
evidencing


Foundation strata and water table,
Reinforcement details recorded for
future references and guidance.


Photographs of all stages of work
(foundation, Plinth, Slab, Masonry,
Finishing) are taken


Photographs of poor quality work
taken for deciding future course of
action.


The test Reports properly
interpreted and where necessary
Repeat tests or NDT carried out for
deriving specific conclusion

40

REPORTING OF BETTER WATER PROOFING TECHNIQUE

41

REPORTING REGARDING POOR QUALITY WORKS

42

Counseling on social problems



Details


Implemented solutions


At many places
the SMC is either
inactive or non
cooperative


Quality Materials
either not
purchased or
Proper procedure
is not followed


.Local level
politics hampers
the progress &
quality


The consultant with involvement
of Z.P. officials arranged
counseling session with SMC and
motivated the SMC


Impressed importance of using
Quality materials and its long
term benefits upon of SMC


The consultant acted as
counselor in cases of local
politics and avoided the rift for
the cause and purpose of
constructing School

45


Our sincere thanks to:
-



Chief engineer , all engineers & staff of
MPSP Mumbai


CEO, Executive Engineers,
J
r. Engineers
and field staff of
Zillha

Parishad

of
Maharashtra, NMMC, KDMC,
BNMC
,
TMC

& various Municipal Corporations &
councils


Director tech. Education Maharashtra,
Mumbai


All the Engineers & staff of Consultants
involved in
Sarva

Shiksha

Abhiyan
.


46