Department of Transportation(DOTr)

Mabuhay! I would like to respectfully request for the drawings and specifications (or any available data) of the following railway power distribution equipment: 
1.Traction Switch Station (TSS)
2. Traction Power Subsstation (TPSS)
3. Workshop Substation
4. Auxiliary transformers
5. UPS- Uninterrupted Power Supply- How many minutes can it last for signaling and interlocking 
6. Single line diagram of MRT-3 line

February 6, 2023

Dear PATRIARCA Paul Allen B.,

I refer to my letter of Feb 01, 2023 02:43:55 AM about your request under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch, for Drawing and details of Power Distribution system of MRT 3 (any available).

In order for us to work further on your request, we need more information from you. Since the data requested will be used for an undergraduate thesis, kindly provide us an endorsement letter from your Dean, Professor, or Adviser stating the purpose of your request and to what extent the data you requested will be used. 

You may use the reply function on the eFOI portal at https://zcwdv320190208-dot-efoi-ph.appspot.com/requests/aglzfmVmb2ktcGhyHgsSB0NvbnRlbnQiEURPVHItMDEzMjE5ODk4MTkzDA, for request with ticket number #DOTr-013219898193, to respond.

During the period of us awaiting your reply, your request will be put on hold. If we do not receive a reply on or before May 01, 2023 04:55:08 AM, your request will be closed.

We hope to hear from you at the soonest possible time.

Thank you.

Respectfully,

DOTR-DM
FOI Officer

As per your last reply, I will attach here the required letters signed by my adviser for my FOI request. The scope and rationale of the project is also indicated in the said file. Thank you so much.

08 February 2023

Good day!

A response was sent your provided email address. 

Thank you.

Respectfully,

DOTR-DM
FOI Officer