From concept o completion : A guide to be a successful structural engineer

1. CHETANA
since 1983
How to begin and complete a good
structural design of a Project
CHETANA ENGINEERING SERVICES PVT.LTD.
Chetana House, #3/1, 10th Cross, Vasanth Nagar, Bangalore – 560 001.
Ph: 080-22340405/6/7
Session – 2:
Date: 06.03.2021
Time: 4:30 pm to 06:00 pm
CHETANA
since 1983
By
– Er. G.H. Basavaraj
Principal Consultant & Managing Director
1

2. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
How to begin and complete a good structural
design of a Project
A.
DD Stage
(No DTD
Philosophy)
B.
Design Stage
C.
Delivery Stage
2

3. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
A.
DD Stage
(No DTD
Philosophy)
1.
Mobilizing
other
decision
makers
3

4. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
A.
DD Stage
(No DTD
Philosophy)
1.
Mobilizing
other
decision
makers
4
Assessment
of N-Values
@ 2B depth
1a.
Data Mobility
-Geo-Tech &
Survey, • Assessment of N-Values @ 2B depth
for better evaluation of SBC

5. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
A.
DD Stage
(No DTD
Philosophy)
1.
Mobilizing
other
decision
makers
Acceptance of
Vertical
Elements, Grids,
GA drgs approval
Aesthetics
1b.
Architects
5
Acceptance of :
• Vertical Elements,
• Grids,
• GA drawings approval
• Aesthetics
Assessment
of N-Values
@ 2B depth
1a.
Data
Mobility
Geo-Tech
& Survey,

6. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
A.
DD Stage
(No DTD
Philosophy)
1.
Mobilizing
other
decision
makers
Acceptance
of Vertical
Elements,
Grids, GA
drgs
approval
Aesthetics
STP, UG Sump,
Shaft, Sunken,
OHT, Ducts
1b.
Architects
1c.
MEP
6
• STP,
• UG Sump,
• Shaft,
• Sunken,
• OHT,
• Ducts
Assessment
of N-Values
@ 2B depth
1a.
Data
Mobility
Geo-Tech
& Survey,

7. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
A.
DD Stage
(No DTD
Philosophy)
1.
Mobilizing
other
decision
makers
Str. System,
Foundation
System,
Acceptance,
Time Line
1d.
Client
7
Acceptance of :
• Structural System
• Foundation System
• Time Line
• Costing
Acceptance
of Vertical
Elements,
Grids, GA
drgs
approval
Aesthetics
STP, UG
Sump, Shaft,
Sunken, OHT,
Ducts
1b.
Architects
1c.
MEP
Assessment
of N-Values
@ 2B depth
1a.
Data
Mobility
Geo-Tech
& Survey,

8. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
A.
DD Stage
(No DTD
Philosophy)
1.
Mobilizing
other
decision
makers
Assessment
of Soil Filling
Depth &
Loadings
1e.
Landscaping
8
• Assessment of Soil Filling Depth & Loadings
Str. System,
Foundation
System,
Acceptance,
Time Line
1d.
Client
Acceptance
of Vertical
Elements,
Grids, GA
drgs
approval
Aesthetics
STP, UG
Sump, Shaft,
Sunken, OHT,
Ducts
1b.
Architects
1c.
MEP
Assessment
of N-Values
@ 2B depth
1a.
Data
Mobility
Geo-Tech
& Survey,

9. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
1
Mobilizing
other
decision
makers
2.
Geometrical
Closure
Acceptance
of Vertical
Elements,
Grids, GA
drgs
Aesthetics
STP, UG
Sump,
Shaft,
Sunken,
OHT, Ducts
Str. System,
Foundation
System,
Acceptance
Assessment
of Soil Filling
Depth &
Loadings
1b.
Architects
1c.
MEP
1d.
Client
1e.
Landscaping
A.
DD Stage
(No DTD
Philosophy)
9
• Column & Wall Location and
sizes
• Beam & Slab Layout
Assessment
of N-Values
@ 2B depth
1a.
Data
mobility
Geo-Tech
& Survey
Structural System Drawings Closure
Geometrical Closure from Others
• Capture Services Requirements
• Grids

10. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
3.
DBR
2
Geometrical
Closure
10
1
Mobilizing
other
decision
makers
A
DD Stage
(No DTD
Philosophy) Acceptance
of Vertical
Elements,
Grids, GA
drgs
Aesthetics
STP, UG
Sump,
Shaft,
Sunken,
OHT, Ducts
Str. System,
Foundation
System,
Acceptance
Assessment
of Soil Filling
Depth &
Loadings
1b.
Architects
1c.
MEP
1d.
Client
1e.
Landscaping
Assessment
of N-Values
@ 2B depth
1a.
Data
mobility
Geo-Tech
& Survey

11. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
4.
All
elements
sizing
closure
Based on
Experience
Thumb Rule
1 floor
evaluation
Preliminary
evaluation
11
3.
DBR
2
Geometric
al Closure
1
Mobilizing
other
decision
makers
A.
DD Stage
(No DTD
Philosophy) Acceptance
of Vertical
Elements,
Grids, GA
drgs
Aesthetics
STP, UG
Sump,
Shaft,
Sunken,
OHT, Ducts
Str. System,
Foundation
System,
Acceptance
Assessment
of Soil Filling
Depth &
Loadings
1b.
Architects
1c.
MEP
1d.
Client
1e.
Landscaping
Assessment
of N-Values
@ 2B depth
1a.
Data
mobility
Geo-Tech
& Survey

12. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
5.
100% GA
Drawings
Closure
12
• Floor plate GA drawings – 100%
approval & acceptance by Architects
• Software Analysis Model - ETABS, SAFE
• Safety Evaluation of Complete
Structure through 3-D Model
4.
All
elements
sizing
closure
Based
on
Experien
ce
Thumb
Rule
1 floor
evaluati
on
Preliminary
evaluation
3.
DBR
2
Geometric
al Closure
1
Mobilizing
other
decision
makers
A.
DD Stage
(No DTD
Philosophy)
Acceptance of
Vertical
Elements,
Grids, GA
drgs
Aesthetics
STP, UG
Sump,
Shaft,
Sunken,
OHT, Ducts
Str. System,
Foundation
System,
Acceptance
Assessment
of Soil Filling
Depth &
Loadings
1b.
Architects
1c.
MEP
1d.
Client
1e.
Landscaping
Assessment
of N-Values
@ 2B depth
1a.
Data
mobility
Geo-Tech
& Survey

13. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
4.
All
elements
sizing
closure
Based
on
Experien
ce
Thumb
Rule
1 floor
evaluati
on
Preliminary
evaluation
13
5.
100% GA
Drawings
Closure
3.
DBR
2
Geometric
al Closure
1
Mobilizing
other
decision
makers
A.
DD Stage
(No DTD
Philosophy)
6.
100% S0
DRAWINGS
• Vertical elements position, size, orientation Closure
• All Floor GA drawings
• All floor plates reinforcement patterns
• All columns & walls reinforcement patterns in Schedules
• STP, UG Sump, Retaining Walls.
• All Reinforcement patterns in all Drawings from Foundation to
Water Tank Completed.
Acceptance of
Vertical
Elements,
Grids, GA
drgs
Aesthetics
STP, UG
Sump,
Shaft,
Sunken,
OHT, Ducts
Str. System,
Foundation
System,
Acceptance
Assessment
of Soil Filling
Depth &
Loadings
1b.
Architects
1c.
MEP
1d.
Client
1e.
Landscaping
Assessment
of N-Values
@ 2B depth
1a.
Data
mobility
Geo-Tech
& Survey

14. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
B.
Design
Stage
6.
100% S0
Drawings
4.
All
elements
sizing
closure
5.
100% GA
Drgs
A.
DD Stage
(No DTD
Philosophy)
1
Mobilizing
other
decision
makers
Acceptance of
Vertical
Elements,
Grids, GA drgs
Aesthetics
STP, UG Sump,
Shaft, Sunken,
OHT, Ducts0
Str. System,
Foundation
System,
Acceptance,
Time Line
Soil Filling
Depth &
Loadings
Architects MEP Client Landscaping
2
Geometrical
Closure
3.DBR
Based on
Experience
Thumb Rule
1 floor
evaluation
Preliminary
evaluation
14
Assessment
of N-Values
@ 2B depth
Data
mobility
Geo-Tech &
Survey

15. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
B.
Design Stage
7.
Convert S0
Package to S1,
S2, S3
packages
15
• 80% Physical Work Completed
• 20% Safety & accuracy balance
7.a- Model Analysis & Design
7.b- Results Compilation,
Reinforcement Entries (Parallel
activity)
S1, S2, S3 (Parallel activity)
S0
Base
work in
S0
• S1 – Foundation, complete below ground details,
complete vertical elements details as one S1
package.
• S2 – All Floor GA, Slab Reinforcement, Stairs,
Ramps – complete S2 package.
• S3 – All Horizontal elements & above terrace & all
other miscellaneous details – complete S3 package.

16. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
7a.
Model
Analysis &
Design
Closure
B.
Design
Stage
7
Convert
S0 Package
16
• Software Model finalization w.r.t approved
GA drawings
• Checking the behavior of building for
applied loads
• Optimizing the model for Safety, Stability &
Economy.
• Correct Loading assessments
• Systems with Less Loadings
(Toilet Sinking, Screeds, Walls)
S0
Base
work in
S0
Parallel Engineering work

17. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
7a
Analysis &
Design
Closure
B.
Design
Stage
17
7
Convert
S0 Package
7b.
Results
Compilation
• Checking of Results for Columns,
Walls, Beams, Slabs.
• Column Grouping & Tabulation
• RC Wall Grouping
• Foundation Reinforcement check
for provided footing sizes.
S0
Base
work in
S0

18. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
8.
Converting S1, S2,
S3 to Good For
Construction
Drawing packages
8a.
Checkers
completion
7b.
Results
Compilati
on
B.
Design
Stage
18
7a
Analysis &
Design
Closure
7
Convert
S0 Package
S0
Base
work in
S0

19. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
8.
Converting S0
Package to S1,
S2, S3 GFC
packages 8a.
Checkers
completion
7a
Analysis &
Design Closure
7b.
Results
Compilation
B.
Design
Stage
7.
Convert S0
Package to
S1, S2, S3
C.
Delivery
Stage
19
S0
Base
work in
S0

20. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
C.
Delivery
Stage
9.
Ability to issue
100% Structural
GFC Package
9a.
Delivery
(transmittal
first)
20

21. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
9
Ability to
issue 100%
Strl. GFC
Package
10.
BoQ,
Estimates
9a.
Delivery
(transmittal
first)
21
• Specifications
• Bill of Quantities (BoQ)
• Estimate
• Arriving at cost of Structure
• Steel Consumption
• Concrete Consumption
C.
Delivery
Stage

22. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
11.
Periodical
Inspection
10.
BoQ,
Estimates
22
C.
Delivery
Stage
• Checking Site activity
• Mix Design Approvals
• Material Test Certificate Approvals
• Steel Fabrication Checking
• Cube Strength Reports / QA
• Work Inspection
9.
Ability to
issue 100%
Strl. GFC
Package
9a.
Delivery
(transmittal
first)

23. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
9.
Ability to issue 100% Strl.
GFC Package
1.
Mobilizing
other
decision
makers
1b.
Architec
ts
1c.
MEP
1d.
Client
1e.
Landscaping
Acceptance of
Vertical
Elements,
Grids, GA drgs
Aesthetics
STP, UG
Sump, Shaft,
Sunken,
OHT, Ducts
Str. System,
Foundation
System,
Acceptance, Time
Line
Soil Filling
Depth, Loadings
2.
Geometrical
Closure
5.
100% GA
Drgs
4.
All elements
sizing closure
Based on
Experience
Thumb
Rule
1 floor
evaluation
Preliminary
evaluation
7.
Convert S0
Package to
S1, S2, S3
6.
100% approval
of Geometrical
S0 Drgs from
Arch Team
Vertical
Elements
Floor Plates
7a.
Analysis &
Design
Closure
7b.
Results
Compilation
8.
Converting S0
Package to S1,
S2, S3 GFC
packages
8a.
Checkers
completion
3.
DBR
10.
BoQ,
Estimates
11.
Periodical
checking
Delivery
Interdependency of
Stages A-B- C
in complete
Structural design
- Start to End
23
1a.
Geo-
Tech &
Survey
Assessment
of N-Values
@ 2B depth
A. (DD Stage)
B. (Design
Stage)
C. (Delivery Stage)
S0
Base
work
in S0

24. CHETANA
since 1983
CHETANA
since 1983
Session-2: How to begin and complete a good structural design of a Project
Chetana Engineering Services Pvt.Ltd.
…Thank You...
24