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2005009756 Kim, Nam-Won
2008010243 Kim, Dong-Eon
2008010447 Park, Jun-Yong
2008010663 Hwang, Gun-Hee
2010002706 Cho, Da-Ae
INTRO
Intro

Conceptual Apt. Construction Flow

Construction

Site layout planning
nD modeling

Earthwork
Structural work

G. L

Summary

Site
Layout
planning

Earthwork

Structural
work

+2month

-2month

Duration
0month

Detail
finish
INTRO
Intro
Construction

nD modeling
Activity

nD modeling

Site layout planning
Earthwork
Structural work
Summary

3
SITE LAYOUT PLANNING
Intro

Site layout planning

Site layout planning
Overview
Earthwork
Elec / Water / Equip

Structural work

G. L

Floor plan

Summary

Site
Layout
planning

WBS Code : GR-C7-
SITE LAYOUT PLANNING
Intro

Site overview

Site layout planning
Overview
Elec / Water / Equip
Floor plan

Earthwork
Structural work
Summary

5
SITE LAYOUT PLANNING
Intro
Site layout planning

Site overview
Location

Dogok-dong,
Gangnam-gu,, Seoul

Overview
Elec / Water / Equip
Floor plan

Period

2010. 11 ~ 2013. 2

Lot Area

16,650㎡ (370mx45m)

Building

Earthwork

Area

B2 ~ 17F (2building)

Structural work
Summary

3,354㎡

B2 ~ 18F (1building)
Level

B2 ~ 19F (1building)
B2 ~ 20F (2building)
B2 ~ 21F (2building)

Needed
Materials

Concrete, Steel
6
SITE LAYOUT PLANNING
Intro

Electricity
Item

Voltage
/Unit

EA

Total
voltage

T/C

200

4

800

L/C

22

8

176

Mechanic tool

30

5

150

Welding
machine

30

4

120

Structural work

Office

75

2

150

Summary

HVAC

50

2

100

Total

-

-

1586

Capacity(45%)

-

-

713

Selected
Transformer

-

-

750

Site layout planning
Overview

Section and Installation

Elec / Water / Equip
Floor plan

Earthwork

7
SITE LAYOUT PLANNING
Intro
Site layout planning

Water plan
Item

Content

Overview

Source

‘65tons per day’ is needed.
Constructor installed pump(70tons per day).

Pump

Elec / Water / Equip

170 LPM * 108m * 3.7 ㎾ * 2(1Set)

Floor plan

Earthwork
Structural work
Summary

8
SITE LAYOUT PLANNING
Intro
Site layout planning
Overview

Equipment
Item

EA

T/C

4

L/C

8

Elec / Water / Equip
Floor plan

Model
DTL
260·18
KTL 1000/
40

Earthwork

Maximum
Pulling

Maximum
Loading
R=50m

18 Ton

Planning
4 Ruffing T/C → Inside the field

4.2 Ton

-

-

Installing toward Dokok street
for soundproofing

Dokok street

Structural work
Summary

TC#1

TC#2

TC#3

Dokok Rexle Apt.

TC#4
9
SITE LAYOUT PLANNING
Intro
Site layout planning
Overview
Elec / Water / Equip
Floor plan

Earthwork

Floor plan
Problem

Solution

Narrow and long shape(370m x 45m)
Hard to enter the site for construction vehicle
Not enough area for storage

Using existing road for construction
Closing #1, 3, 5 gate for effective flow
Moving main office to basement

Using public area for office and storage

Dokok street

Structural work
Summary

Dokok Rexle Apt.

10
EARTHWORK
Intro

Conceptual Apt. Construction Flow

Site layout planning
Earthwork
Actual method

Structural work

G. L

Problem

Summary
Alternative methods

Site
Layout
planning

Earthwork

WBS Code : GR-C111
EARTHWORK
Intro
Site layout planning

Actual method
Ground anchor

Earthwork
Actual method
Problem
Alternative methods

Structural work
Summary

12
EARTHWORK
Intro
Site layout planning
Earthwork
Actual method
Problem
Alternative methods

Structural work
Summary

Ground anchor
Actual project
도곡렉슬 - 진달래 법정싸움 "공사장 도로균열 책임져라"
3.3㎡당 집값이 3000만원을 넘는 강남 부자 동네 주민들 싸움이 장기전으로 흐
르고 있다.
주인공은 도곡동 도곡렉슬 아파트와 도곡 진달래 아파트 주민들이다. 싸움의
발단은 도곡 진달래 아파트가 재건축 공사를 하면서부터다.
시공사로 선정된 삼성물산이 2010년 지하 터파기 공사 시 `어스앵커 공법`을
사용했는데 이 때문에 아파트 간 도로에 균열이 생겼다. 이 공법은 직각으로 말
뚝을 박고 이를 지지하기 위해 강철선을 넣는 공법인데 인근 주민들 동의를 받
아야 한다.
도곡렉슬 주민들이 "공사로 도곡렉슬 아파트 단지 도로에 균열이 발생했으니
진달래조합과 삼성물산이 도곡렉슬 용지에 설치한 238개 어스앵커를 철거하라
"는 소송을 냈고 법원이 작년 12월 이를 받아들여, 2달여간 공사가 중단되었다
가 재개된 상황이다.
도곡렉슬 주민들은 곧 어스앵커 피해로 인한 추가 손해배상 청구소송을 낼 계
획이라 소송전은 당분간 계속될 전망이다.
2012.05.28 / 매일경제신문 도재운 기자
13
EARTHWORK
Intro

What was the problem?

Site layout planning
Earthwork

σh = γ∙z∙Ka - 2c∙tan(45°-Ф/2)

Actual method
Problem

Road

Alternative methods

Structural work
Summary

Soil
14
EARTHWORK
Intro

Alternative methods

Site layout planning

Ground anchor

Strut

√Raker

Earthwork
Actual method
Problem
Alternative methods

Structural work
Summary

Soil
15
STRUCTURAL WORK
Intro

Conceptual Apt. Construction Flow

Site layout planning
Earthwork
Structural work

G. L

Project
Summary financing
Technical solution
Estimation

Site
Layout
planning

Earthwork

Structural
work

WBS Code : GR-C2-A

-303
16
STRUCTURAL WORK
Intro

60days

Site layout planning
Earthwork

Duration of structural work

Profit

Structural work
Project financing

Profit = Total cost x Interest rate x 60/365

Technical solution
Estimation

Opportunity cost = Profit + Penalty + α

Summary

Opportunity cost > Cost of alternative method

17
STRUCTURAL WORK
Intro

Technical solution

Site layout planning
Earthwork

7days

Structural work

1. Form

Project financing

2. Steel

Technical solution
Estimation

3. Concrete

Summary

4days
18
STRUCTURAL WORK
Intro
Site layout planning
Earthwork
Structural work

Case

<Evaluation of RC work, 최길홍, 한양대 산업경영디자인대학원>

Nation

USA(New York)

USA(Chicago)

Structure system

Canada(Toronto)

Flat Plate

2days

Flat Plate

ACS Form(Core)
Table Form(Slab)
Early-strength concrete
VH seperated pouring

4days

Wall structure

Gang form(Wall)
Table form(Slab)
Early-strength concrete
VH separated pouring

3days

Ramen structure

Half PC(column, beam)
Deck Form(slab)
High- strength concrete
VH separated pouring

6days

ACS Form(core)
Deck Form/Table form(slab)
High- strength concrete
VH separated pouring

4days

Estimation

Summary

Japan

Duration
(1 floor)

Wood form
High- strength concrete
Pre-Shoring

Project financing
Technical solution

Main issue

Korea(Complex)

Flat Plate

Korea(Apartment)

Wall structure

Wood form, Al form(slab)
Euro form, Al form(wall)
Gang form(outer wall)

6~8days
19
STRUCTURAL WORK
Intro
Site layout planning
Earthwork

Table form
Duration
Cost

4days

4days

₩200,000
₩200,000

Structural work
Project financing

Problem

Technical solution
Estimation

Summary

Alternative method → Al form

20
STRUCTURAL WORK
Intro

Performed steel arrangement

Site layout planning
Earthwork
Structural work
Project financing
Technical solution
Estimation

Summary

-2days
21
From KCI(Korea concrete institute)
STRUCTURAL WORK
Intro

Early-strength concrete

Site layout planning
Earthwork
Structural work

25-24-21

-1days

Project financing
Technical solution
Estimation

Summary

22
From Australia cement company
STRUCTURAL WORK
Intro

MS project

Site layout planning
Earthwork

4 Days

Structural work
Project financing
Technical solution

7 Days

Estimation

Summary

23
STRUCTURAL WORK
Intro

Estimation(ODBC)

Site layout planning
Earthwork
Structural work
Project financing
Technical solution
Estimation

Steel Concrete

Form

Summary

24
STRUCTURAL WORK
Intro
Site layout planning

QTO
Material

Building part

Unit

Quantity

Cost

Earthwork

Steel
HD-13

Wall

ton

9.9t

₩10,791,000

Structural work

Steel
HD-16

Slab

ton

4.2t

₩4,557,000

Concrete
25-24-21

Wall, Slab

㎥

237㎥

₩18,232,840

Outline
work

Wall

㎡

1033㎡

₩413,200

AL Form

Slab

㎡

353㎡

₩12,530,500

Gang Form

Slab

㎡

1033㎡

₩36,671,500

T/C

-

EA

4EA

₩72,900,000

Total

-

-

-

₩156,096,040

Project financing
Technical solution
Estimation

Summary

25
STRUCTURAL WORK
Intro
Site layout planning

Input process
Cost of T/C

Earthwork
Structural work
Project financing
Technical solution
Estimation

Cost of form

Summary

Cost of concrete
Cost of steel
26
STRUCTURAL WORK
Intro

Cost(4days)

BCWP
Site layout planning
Earthwork
Structural work
Project financing
Technical solution
Estimation

Summary

27
STRUCTURAL WORK
Intro
Site layout planning

S-curve of 4-days
7

Earthwork
Structural work
Project financing
Technical solution
Estimation

Summary

28
STRUCTURAL WORK
Intro

Cost(4days)

ACWP
Site layout planning
Earthwork
Structural work
Project financing
Technical solution
Estimation

Summary

1.6billion won – 1.8billon won = -0.2billion won

29
STRUCTURAL WORK
Intro

S-curve of 4-days

Site layout planning
Earthwork
Structural work
Project financing
Technical solution
Estimation

Reduced duration

Summary

30
STRUCTURAL WORK
Intro

Financial check

Site layout planning
Earthwork

Reduced duration

Penalty, Legal fee

Structural work
Project financing
Technical solution
Estimation

1.068billion

0.97billion

Summary

Rate of bank

1 Year

Over cost of new method

The penalty of reduced duration
(from bank’s aspect)
31
STRUCTURAL WORK
Intro

Detail finish

Site layout planning
Earthwork
Structural work
Project financing

G. L

Technical solution
Estimation

Summary

Site
Layout
planning

Earthwork

Structural
work

WBS Code : GR-C2-A-O-319

Detail
finish
SUMMARY
Intro

• EV Report

Site layout planning
2E+09

Earthwork
Structural work

Accumulated cost(4day)

1.8E+09
1.6E+09

Accumulated cost(7day)

1.4E+09

Summary
1.2E+09

EV Report

1E+09

Naviswork
80000000
60000000
40000000
20000000
0

2010
3Q

2010
4Q

2011
1Q

2011
2Q

2011
3Q

2011
4Q

2012
1Q

2012
2Q

2012
3Q

2012
4Q

2013
1Q

2013
2Q

33
SUMMARY
Intro

Time Cost

Site layout planning

MS project
Earthwork
QTO
Structural work
Summary

Revit

EV Report

Time
&
Cost

Naviswork

Time

3D model

Cost

Naviswork

34
Thank you!
35

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시공 파이널 Ver. 1.5

  • 1. 2005009756 Kim, Nam-Won 2008010243 Kim, Dong-Eon 2008010447 Park, Jun-Yong 2008010663 Hwang, Gun-Hee 2010002706 Cho, Da-Ae
  • 2. INTRO Intro Conceptual Apt. Construction Flow Construction Site layout planning nD modeling Earthwork Structural work G. L Summary Site Layout planning Earthwork Structural work +2month -2month Duration 0month Detail finish
  • 3. INTRO Intro Construction nD modeling Activity nD modeling Site layout planning Earthwork Structural work Summary 3
  • 4. SITE LAYOUT PLANNING Intro Site layout planning Site layout planning Overview Earthwork Elec / Water / Equip Structural work G. L Floor plan Summary Site Layout planning WBS Code : GR-C7-
  • 5. SITE LAYOUT PLANNING Intro Site overview Site layout planning Overview Elec / Water / Equip Floor plan Earthwork Structural work Summary 5
  • 6. SITE LAYOUT PLANNING Intro Site layout planning Site overview Location Dogok-dong, Gangnam-gu,, Seoul Overview Elec / Water / Equip Floor plan Period 2010. 11 ~ 2013. 2 Lot Area 16,650㎡ (370mx45m) Building Earthwork Area B2 ~ 17F (2building) Structural work Summary 3,354㎡ B2 ~ 18F (1building) Level B2 ~ 19F (1building) B2 ~ 20F (2building) B2 ~ 21F (2building) Needed Materials Concrete, Steel 6
  • 7. SITE LAYOUT PLANNING Intro Electricity Item Voltage /Unit EA Total voltage T/C 200 4 800 L/C 22 8 176 Mechanic tool 30 5 150 Welding machine 30 4 120 Structural work Office 75 2 150 Summary HVAC 50 2 100 Total - - 1586 Capacity(45%) - - 713 Selected Transformer - - 750 Site layout planning Overview Section and Installation Elec / Water / Equip Floor plan Earthwork 7
  • 8. SITE LAYOUT PLANNING Intro Site layout planning Water plan Item Content Overview Source ‘65tons per day’ is needed. Constructor installed pump(70tons per day). Pump Elec / Water / Equip 170 LPM * 108m * 3.7 ㎾ * 2(1Set) Floor plan Earthwork Structural work Summary 8
  • 9. SITE LAYOUT PLANNING Intro Site layout planning Overview Equipment Item EA T/C 4 L/C 8 Elec / Water / Equip Floor plan Model DTL 260·18 KTL 1000/ 40 Earthwork Maximum Pulling Maximum Loading R=50m 18 Ton Planning 4 Ruffing T/C → Inside the field 4.2 Ton - - Installing toward Dokok street for soundproofing Dokok street Structural work Summary TC#1 TC#2 TC#3 Dokok Rexle Apt. TC#4 9
  • 10. SITE LAYOUT PLANNING Intro Site layout planning Overview Elec / Water / Equip Floor plan Earthwork Floor plan Problem Solution Narrow and long shape(370m x 45m) Hard to enter the site for construction vehicle Not enough area for storage Using existing road for construction Closing #1, 3, 5 gate for effective flow Moving main office to basement Using public area for office and storage Dokok street Structural work Summary Dokok Rexle Apt. 10
  • 11. EARTHWORK Intro Conceptual Apt. Construction Flow Site layout planning Earthwork Actual method Structural work G. L Problem Summary Alternative methods Site Layout planning Earthwork WBS Code : GR-C111
  • 12. EARTHWORK Intro Site layout planning Actual method Ground anchor Earthwork Actual method Problem Alternative methods Structural work Summary 12
  • 13. EARTHWORK Intro Site layout planning Earthwork Actual method Problem Alternative methods Structural work Summary Ground anchor Actual project 도곡렉슬 - 진달래 법정싸움 "공사장 도로균열 책임져라" 3.3㎡당 집값이 3000만원을 넘는 강남 부자 동네 주민들 싸움이 장기전으로 흐 르고 있다. 주인공은 도곡동 도곡렉슬 아파트와 도곡 진달래 아파트 주민들이다. 싸움의 발단은 도곡 진달래 아파트가 재건축 공사를 하면서부터다. 시공사로 선정된 삼성물산이 2010년 지하 터파기 공사 시 `어스앵커 공법`을 사용했는데 이 때문에 아파트 간 도로에 균열이 생겼다. 이 공법은 직각으로 말 뚝을 박고 이를 지지하기 위해 강철선을 넣는 공법인데 인근 주민들 동의를 받 아야 한다. 도곡렉슬 주민들이 "공사로 도곡렉슬 아파트 단지 도로에 균열이 발생했으니 진달래조합과 삼성물산이 도곡렉슬 용지에 설치한 238개 어스앵커를 철거하라 "는 소송을 냈고 법원이 작년 12월 이를 받아들여, 2달여간 공사가 중단되었다 가 재개된 상황이다. 도곡렉슬 주민들은 곧 어스앵커 피해로 인한 추가 손해배상 청구소송을 낼 계 획이라 소송전은 당분간 계속될 전망이다. 2012.05.28 / 매일경제신문 도재운 기자 13
  • 14. EARTHWORK Intro What was the problem? Site layout planning Earthwork σh = γ∙z∙Ka - 2c∙tan(45°-Ф/2) Actual method Problem Road Alternative methods Structural work Summary Soil 14
  • 15. EARTHWORK Intro Alternative methods Site layout planning Ground anchor Strut √Raker Earthwork Actual method Problem Alternative methods Structural work Summary Soil 15
  • 16. STRUCTURAL WORK Intro Conceptual Apt. Construction Flow Site layout planning Earthwork Structural work G. L Project Summary financing Technical solution Estimation Site Layout planning Earthwork Structural work WBS Code : GR-C2-A -303 16
  • 17. STRUCTURAL WORK Intro 60days Site layout planning Earthwork Duration of structural work Profit Structural work Project financing Profit = Total cost x Interest rate x 60/365 Technical solution Estimation Opportunity cost = Profit + Penalty + α Summary Opportunity cost > Cost of alternative method 17
  • 18. STRUCTURAL WORK Intro Technical solution Site layout planning Earthwork 7days Structural work 1. Form Project financing 2. Steel Technical solution Estimation 3. Concrete Summary 4days 18
  • 19. STRUCTURAL WORK Intro Site layout planning Earthwork Structural work Case <Evaluation of RC work, 최길홍, 한양대 산업경영디자인대학원> Nation USA(New York) USA(Chicago) Structure system Canada(Toronto) Flat Plate 2days Flat Plate ACS Form(Core) Table Form(Slab) Early-strength concrete VH seperated pouring 4days Wall structure Gang form(Wall) Table form(Slab) Early-strength concrete VH separated pouring 3days Ramen structure Half PC(column, beam) Deck Form(slab) High- strength concrete VH separated pouring 6days ACS Form(core) Deck Form/Table form(slab) High- strength concrete VH separated pouring 4days Estimation Summary Japan Duration (1 floor) Wood form High- strength concrete Pre-Shoring Project financing Technical solution Main issue Korea(Complex) Flat Plate Korea(Apartment) Wall structure Wood form, Al form(slab) Euro form, Al form(wall) Gang form(outer wall) 6~8days 19
  • 20. STRUCTURAL WORK Intro Site layout planning Earthwork Table form Duration Cost 4days 4days ₩200,000 ₩200,000 Structural work Project financing Problem Technical solution Estimation Summary Alternative method → Al form 20
  • 21. STRUCTURAL WORK Intro Performed steel arrangement Site layout planning Earthwork Structural work Project financing Technical solution Estimation Summary -2days 21 From KCI(Korea concrete institute)
  • 22. STRUCTURAL WORK Intro Early-strength concrete Site layout planning Earthwork Structural work 25-24-21 -1days Project financing Technical solution Estimation Summary 22 From Australia cement company
  • 23. STRUCTURAL WORK Intro MS project Site layout planning Earthwork 4 Days Structural work Project financing Technical solution 7 Days Estimation Summary 23
  • 24. STRUCTURAL WORK Intro Estimation(ODBC) Site layout planning Earthwork Structural work Project financing Technical solution Estimation Steel Concrete Form Summary 24
  • 25. STRUCTURAL WORK Intro Site layout planning QTO Material Building part Unit Quantity Cost Earthwork Steel HD-13 Wall ton 9.9t ₩10,791,000 Structural work Steel HD-16 Slab ton 4.2t ₩4,557,000 Concrete 25-24-21 Wall, Slab ㎥ 237㎥ ₩18,232,840 Outline work Wall ㎡ 1033㎡ ₩413,200 AL Form Slab ㎡ 353㎡ ₩12,530,500 Gang Form Slab ㎡ 1033㎡ ₩36,671,500 T/C - EA 4EA ₩72,900,000 Total - - - ₩156,096,040 Project financing Technical solution Estimation Summary 25
  • 26. STRUCTURAL WORK Intro Site layout planning Input process Cost of T/C Earthwork Structural work Project financing Technical solution Estimation Cost of form Summary Cost of concrete Cost of steel 26
  • 27. STRUCTURAL WORK Intro Cost(4days) BCWP Site layout planning Earthwork Structural work Project financing Technical solution Estimation Summary 27
  • 28. STRUCTURAL WORK Intro Site layout planning S-curve of 4-days 7 Earthwork Structural work Project financing Technical solution Estimation Summary 28
  • 29. STRUCTURAL WORK Intro Cost(4days) ACWP Site layout planning Earthwork Structural work Project financing Technical solution Estimation Summary 1.6billion won – 1.8billon won = -0.2billion won 29
  • 30. STRUCTURAL WORK Intro S-curve of 4-days Site layout planning Earthwork Structural work Project financing Technical solution Estimation Reduced duration Summary 30
  • 31. STRUCTURAL WORK Intro Financial check Site layout planning Earthwork Reduced duration Penalty, Legal fee Structural work Project financing Technical solution Estimation 1.068billion 0.97billion Summary Rate of bank 1 Year Over cost of new method The penalty of reduced duration (from bank’s aspect) 31
  • 32. STRUCTURAL WORK Intro Detail finish Site layout planning Earthwork Structural work Project financing G. L Technical solution Estimation Summary Site Layout planning Earthwork Structural work WBS Code : GR-C2-A-O-319 Detail finish
  • 33. SUMMARY Intro • EV Report Site layout planning 2E+09 Earthwork Structural work Accumulated cost(4day) 1.8E+09 1.6E+09 Accumulated cost(7day) 1.4E+09 Summary 1.2E+09 EV Report 1E+09 Naviswork 80000000 60000000 40000000 20000000 0 2010 3Q 2010 4Q 2011 1Q 2011 2Q 2011 3Q 2011 4Q 2012 1Q 2012 2Q 2012 3Q 2012 4Q 2013 1Q 2013 2Q 33
  • 34. SUMMARY Intro Time Cost Site layout planning MS project Earthwork QTO Structural work Summary Revit EV Report Time & Cost Naviswork Time 3D model Cost Naviswork 34