Dasmariñas–Las Piñas Transmission Line

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Dasmariñas–Las Piñas Transmission Line
Some of its steel poles along Aguinaldo Highway in Dasmariñas, Cavite.
Location
Country	Philippines
Province	Cavite Metro Manila
Coordinates	14°18′41″N 120°57′9″E / 14.31139°N 120.95250°E / 14.31139; 120.95250 (Dasmariñas Substation) 14°28′38″N 120°58′25″E / 14.47722°N 120.97361°E / 14.47722; 120.97361 (Las Piñas Substation)
From	Dasmariñas Substation
To	Las Piñas Substation
Ownership information
Owner	National Power Corporation (November 30, 2001–March 1, 2003) National Transmission Corporation (March 1, 2003–present)
Operator	National Power Corporation (November 30, 2001–March 1, 2003) National Transmission Corporation (March 1, 2003–January 15, 2009) National Grid Corporation of the Philippines (January 15, 2009–present)[a]
Construction information
Commissioned	November 30, 2001; 20 years ago (November 30, 2001)
Technical information
Type	Overhead transmission line
Type of current	HVAC
No. of transmission towers	210 (209 steel poles and 1 lattice tower)
AC voltage	230 kV
No. of poles	209
No. of circuits	2

The Dasmariñas–Las Piñas Transmission Line (abbreviated as 8LI1DAS-LPI and 8LI2DAS-LPI) is a 230,000 volt, double-circuit transmission line in Metro Manila and Calabarzon, Philippines that connects Dasmariñas and Las Piñas substations of National Grid Corporation of the Philippines (NGCP).

History[]

The Dasmariñas–Las Piñas Transmission Line went into service on November 30, 2001.^[1] It is operated and maintained by the privately-owned National Grid Corporation of the Philippines (NGCP) since January 15, 2009, and previously by government-owned companies National Transmission Corporation (TransCo) and National Power Corporation (NAPOCOR). It was owned previously by NAPOCOR from November 30, 2001 to March 1, 2003 and is owned currently by TransCo since March 1, 2003.

Throughout its existence, several steel poles were painted with aluminum paint to protect them from corrosion.

Route description[]

Steel poles 202��209 (with 202, 204, 205, and 208 are suspension towers and have flag design while 203, 206, 207, and 209 are anchor towers) along Manila-Cavite Expressway (CAVITEX) in Las Piñas, Metro Manila and Bacoor, Cavite.

The Dasmariñas–Las Piñas Transmission Line passes through the cities of Dasmariñas, Imus, and Bacoor in Cavite, and Las Piñas in Metro Manila. It is located within the service area of NGCP's South Luzon Operations and Maintenance (SLOM) District 1 (South Western Tagalog).^[2]

The transmission line starts at Dasmariñas substation, turns left into Ramon Tirona Avenue, and run parallel with Aguinaldo Highway until Bacoor. Upon approaching Bacoor Junction, it will parallel with Aguinaldo Boulevard until Bacoor Exit of Manila-Cavite Expressway (CAVITEX). It then utilize the eastern side of CAVITEX until its terminus at Las Piñas substation.

Technical description[]

The transmission line consists of 209 steel poles (1–209) and 1 lattice tower (208A) totaling to 210 transmission structures, with lattice tower 208A was built by NGCP on a location where a water tower was once located in 2016. It is a quadruple-bundle and double-circuit transmission line, with six insulators are placed on each pole (except pole 208 since 2016 where three of its insulators were removed due to the construction of tower 208A thus the insulators for pole 208 and tower 208A are now separated). Three insulators carry a single power line circuit (line 1), while another three carries another circuit (line 2).

Notes[]

References[]