sabah sarawak gas pipeline
TRANSCRIPT
![Page 1: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/1.jpg)
GIS Application in Sabah Sarawak Gas Pipeline
Group -9
Anshu, Abhishek, Vineet
AIIM
1
![Page 2: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/2.jpg)
Overview
• Problem Statement• Old Way, New Way• Route Influences• Least-Cost Path
AIIM
2
![Page 3: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/3.jpg)
Problem
Select alignment alternatives for optimal cross-country pipeline construction that meet project requirements.
Summarize alignment alternatives to facilitate real dollar cost estimation for early concept development (+/- 50%)
AIIM
3
![Page 4: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/4.jpg)
Old Problem, Old Solution
The Manual Method Small Scale Paper Maps (State Regulatory
Dept, etc…) Hand Delineation(marking out) Terrain Evaluation from Aerial Photographs
AIIM
4
![Page 5: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/5.jpg)
Old Problem, New Solution
The GIS Method Digital Maps Spatial Database (retrieval & storage) Data Manipulation Raster Analysis (Map Algebra, LCP, etc.)
Used properly, GIS methods are faster, more efficient, more
comprehensive, and less expensive than traditional methods.
AIIM
5
![Page 6: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/6.jpg)
Route Influences
Engineering/Cost
BiophysicalSocioeconomic
AIIM
6
![Page 7: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/7.jpg)
AIIM
7
![Page 8: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/8.jpg)
What is Least-Cost Path?
LEAST-COST PATHCOST SURFACE LEAST-COST SURFACE(VECTOR)
LEAST-COST PATH(VECTOR)
Land Cover
+ =
COST SURFACE COST SURFACE LEAST-COST Surface
Land Cover Terrain-SlopeAIIM
8
![Page 9: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/9.jpg)
Cost-Weighted Surface
LEAST-COST/WEIGHTED
Terrain-Slope
* .60 =
* .40 =
Land Cover
+ =
Influence
AIIM
9
![Page 10: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/10.jpg)
Inserting Dollar Costs
Pipe Summary
• Length• Geometry
Crossing Report
• Type• Subtype• Frequenc
y• Length
Productivity
• -• -• -
Construction
Summary• Labor
Crew• Equipmen
t
Cost Estimate Spread Sheet
GIS Cost Estimating Manual
AIIM
10
![Page 11: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/11.jpg)
SSGP Status
Social objections
Completion extended from 2011 to 2013.
AIIM
11
![Page 12: Sabah Sarawak Gas Pipeline](https://reader035.vdocuments.net/reader035/viewer/2022081412/544dcc42b1af9f2b638b4a19/html5/thumbnails/12.jpg)
Thank You
AIIM
12