📋 Tender Overview
The Urban Transport Authority for Lima and Callao (ATU) reported that since the Micaela TBM began operations on Line 2 of the Lima and Callao Metro, it has managed to build about 4.5 km of tunnel while the Delia TBM has done the same in a stretch of just over 3.2 km.
The entity said that the Micaela tunnel boring machine built these 4.5 km of tunnel in just 10 months. It began drilling in September 2022 from the Insurgentes station (E-04), then passing through the Juan Pablo (E-03) and Buenos Aires (E-02) stations until arriving in July of this year at the Puerto del Callao station (E-01).
Having completed its work, the Micaela TBM in the coming months will be dismantled and moved to the PV4-1BIS ventilation shaft, located on Av. Faucett, to start the construction of 7.7 km of tunnel of the Ramal av. Faucett – av. Gambeta, from Gambetta station to Carmen de la Legua station (where it will interconnect with Line 2).
For its part, the Delia TBM began drilling at the San Juan de Dios station (E-19) from where it advanced until arriving last Friday at the 28 de Julio station (E-16), making a total of 3.2 km. Only in the last section, between the Nicolás Ayllón (E-17) and 28 de Julio stations, Delia built 877 meters of tunnel.
Now, the TBM will continue with its excavation and it is estimated that it would arrive in January next year at the Cangallo station (E-15). From there, continue through the Manco Cápac (E-14), Central (E-13) and Plaza Bolognesi (E-12) stations until you reach the third track of Parque Murillo station, thus concluding with stage 1B of this megaproject.
Subsequently, Delia will begin drilling the tunnel that integrates most of the stations that make up stage 2: Parque Murillo (E-11), Tingo María (E-10), La Alborada (E-09), Elio (E-08), San Marcos (E-07), Óscar Benavides (E-06), Carmen de la Legua (E-05) and Insurgentes (E-04). In total, there will be 10 km to drill.
It should be noted that while the TBMs excavate, by means of their rotating head that is equipped with cutting elements and driven by hydraulic motors, they simultaneously place concrete voussoirs that make up the rings that are the final lining of the tunnel.
White gear of stage 1A
The Concessionaire plans, this December 21, to start the white march of stage 1A of Line 2, which has a distance of 5 km and includes the stations Mercado Santa Anita (E-24), Hermilio Valdizán (E-23), Colectora Industrial (E-22), Óvalo Santa Anita (E-21) and Evitamiento (E-20), which will be traveled in six minutes, benefiting about 60,000 users per day.
Once the works are completed, Line 2 of the Metro, which will have 27 stations, will travel its 27 km from Ate to Callao in just 45 minutes, transporting up to 660,000 people per day.
