Note: This is a first attempt to provide guidance in preparing the information product needed for the CLUP and is intended to be used hand-in-hand with Volumes 1 and 2. As more knowledge is gathered, the IP will be updated. Likewise, revisions may be required due to new or changing land-use policies. Furthermore, data will continuously be prepared by the custodians, which may require updates.
For the latest update, please check HLURB Homepage: http://www.hlurb.gov.ph/ or contact HLURB, telephone +632 927 2698.
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| Step 1: Provide a Background and Identify the Objectives of the GIS Analysis | ||
| Power means progress. It boosts development of a community. It enables the use of more advanced machines for better production. The objective is to use GIS to display the provision of power supply utilities and the constraints that exist today and also the status of electrification by barangay. This information will be used in Step 4, (see Volume 1). The users of this data are: LGU staff, officials and the general public. The education information products can be used by the power supply provider(s). The final products of this activity will be digital maps for analysis as well as for display. | ||
| Step 2: Identify the Indicators to Evaluate Objective Fulfillment | ||
| The indicator will be how well the municipality is being provided with electricity and what areas are not properly supplied with power | ||
| Step 3: Create the Database | ||
| Attributes | ||
| The following attribute tables may be used for this sector. Those in bold are used for the examples here.
IS17 Transmission/Distribution Line, Year |
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| The Custodian of Power Supply Data is the National Transmission Corporation (Transco) for transmission Lines and substations.
The Custodian of sector data is the Department of Energy (DOE). There are two sets of data for this sector, one for transmission which includes the sub stations. There are the power plants which will require significant land area allocation. For transmission, TRANSCO is the source for secondary data. It is currently mapping the transmission lines for a certain project areas. The DOE has the location plans for these power plants. Aside from the DOE, private power providers such as PNOC, NAPOCOR, Philippine Geothermal, etc. have their own source data. As experienced in the Ormoc GIS, it is difficult to acquire maps for the geothermal power plant in the area. They submitted their request to PNOC which controls the geothermal area but were not able to get the information. |
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| The following steps are taken to get the data: | ||
| 1 | The first option is to check with the custodian to find out if they have attribute and spatial data about the Transmission Lines by sending them a letter requesting information. | |
| Spatial | ||
| The object will be the different types of power lines. The feature type will be a polyline where the line width will determine the Voltage/capacity. The color will be black. | ||
| 2 | If there is no response to the letter, or if they don’t like to give the information, a GPS can be used to track the alignment. Do a point reading for each of the power-line pylons and join them into a polylines. If there are limited resources to track lines in the entire municipality/city, the Transmission Lines in the urban Barangays should be prioritized. Time needed will depend on natural conditions and road accessibility. | |
| SYMBOLOGY | ||
| Transmission Line with 500 KV Voltage |  |
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| Transmission Line with 230 KV Voltage |  |
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| Transmission Line with 69 KV Voltage | ||
| Step 4: Analyze the Data | ||
| The following Analysis layers can be prepared based on the Baseline Information: | ||
| Right-of-way buffer for an existing Line Indicated by a red point hatch for 500 KV = 65 m, 230 KV = 40 m, 69 KV = 15 m |  |
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| Are there plans to set out new Transmission Lines? If so, it should be displayed as a separate layer with the Right-of-way buffer standards as shown above. Dashed line and a lighter red buffer than above. |  |
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| Transco’s TILs are composed of major lines cooperatives (NEA or the electric cooperative in each municipality) are the ones that have this data. | ||
| In terms of Energized and Unenergized barangay: | ||
| Energized |  |
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| Unenergized |  |
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| Step 5: Present the Data | ||
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| The example below shows barangays being supplied with electricity. | ||
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| Attachment | Size |
|---|---|
| 04.07.03_Power.pdf | 537.28 KB |