Form LTA DBC RAIL S4A - Checklist for Certified Survey Plans

Oct 29, 2026

Checklist for certified survey plans covering rapid transit system reserve lines, tunnel geometry and piling/drilling works within a first reserve. Includes project particulars (reference, title, description, submission type), approval and survey dates, and drawing/revision identifiers. Requires registered land surveyor completion with a comprehensive compliance checklist covering submitted file formats, tunnel and topographical survey currency, MRT reserve line coordinates, station boundary data, proposed piling/drilling point layouts, cross-sections, clearances, and applicable road tunnel/flyover safety zone information.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages2

Reading Time5 min

AccessFree to download

SECTION I - PARTICULARS OF WORKS

SECTION II - TO BE COMPLETED BY REGISTERED LAND SURVEYOR

SECTION III - TO BE COMPLETED BY REGISTERED LAND SURVEYOR

CHECKLIST FOR CERTIFIED SURVEY PLANS ON RAPID TRANSIT SYSTEM RESERVE LINES, TUNNEL GEOMETRY AND PILING/ DRILLING WORKS WITHIN 1ST RESERVE | SECTION I-PARTICULARS OF WORKS 1 | | | | | | --- | --- | --- | --- | --- | | Project Reference No.: | | | | | | Project Title: | | | | | | Description of Works: | | | | | | Submission Type:
(please check only 1 type)
☐ Geometric Survey
☐ Piling/ Drilling works
within 1st reserve
(including installation of borehole instrument, bored piles, sheet piles, ground improvement etc.) | | Drawing no. of approved geometric survey drawings:
Date of approval: | | | | Date of tunnel/ topographical survey carried out:
(tunnel survey must be within a year from date of submission) | | | | | | Date of submission: | | | | | | Drawing Number & Revision Number:
(indicate “-” if it is the first submission) | | | | | | SECTION II-TO BE COMPLETED BY REGISTERED LAND SURVEYOR
Note:
1. Please “√” the checkbox accordingly. (All items listed below are mandatory)
2. Please provide reasons in the “Remarks” column if otherwise. | | | | | | S/No | REQUIREMENTS | | COMPLIED | REMARKS | | A | Files are submitted in the following: | | | | | A1 | Softcopy in dwg/dgn format. | | ☐ | | | A2 | Softcopy filename must tally with drawing number indicated on plans. | | ☐ | | | A3 | Legible certified survey plans in PDF format. | | ☐ | | | A4 | Endorsement by Registered Surveyor in PDF format. | | ☐ | | | A5 | All data tabulations in Excel format | | ☐ | | | B | The certified survey plans include the following: | | | | | --- | --- | --- | --- | --- | | B1 | Tunnel survey carried out within a year | | ☐ | | | B2 | Topographical survey is to be in current state | | ☐ | | | B3 | MRT track alignment, cross track, lower track level, crown level and coordinates in table | | ☐ | | | B4 | MRT station at-grade structures such as station entrances, ventilation buildings etc. | | ☐ | | | B5 | MRT reserve lines and coordinates in table | | ☐ | | | B6 | Dimension of the MRT reserve lines (6m, 40m & 60m etc.) | | ☐ | | | B7 | MRT station boundary (airspace/ land/ subterranean) and coordinates in table | | ☐ | | | B8 | Label and position of proposed piling/
drilling points and tabulation of coordinates | | ☐ | | | B9 | Cross-section to be perpendicular to MRT structure | | ☐ | | | B10 | Horizontal and vertical clearances to MRT structures | | ☐ | | | B11 | Tabulated information with horizontal and vertical clearances to MRT structure | | ☐ | | | B12 | Indicate lot numbers | | ☐ | | | B13 | Indicate scale of the plans/diagrams | | ☐ | | | C | Applicable if there are nearby road tunnels/ elevated flyover: | | | | | C1 | Underground road tunnel and elevated flyover survey carried out within a year | | ☐ | | | C2 | Road structure safety zone and coordinates in table | | ☐ | | | C3 | Dimension of the Road Structure Safety Zone (20m) | | ☐ | | | C4 | Horizontal and vertical clearances to road structures | | ☐ | | | C5 | Tabulated information with horizontal and vertical clearances to road structures | | ☐ | | | SECTION III-TO BE COMPLETED BY REGISTERED LAND SURVEYOR | | | | | | ☐ | I am the appointed Registered Surveyor and I confirm that I have prepared the plans complying to the above mentioned. | | | | | Name, Signature & Stamp of Registered Surveyor
Date: | | Company and Address of Registered Surveyor:
Date: | | |

FAQs

What submission types are covered in this checklist?

The form covers Geometric Survey and Piling/Drilling works within 1st reserve, including installation of borehole instrument, bored piles, sheet piles, and ground improvement.

What documents and data formats must be provided?

Submit softcopy drawings in dwg/dgn, legible certified survey plans in PDF, endorsement by the registered surveyor in PDF, and all data tabulations in Excel format.

What survey requirements must be included for MRT reserve lines and station boundaries?

Include MRT track alignment and levels, MRT reserve lines and coordinates with dimensions, MRT station boundary (airspace/land/subterranean) and coordinates, along with clearances to MRT structures and listed lot numbers.

Oct 29, 2026

Upload by Riley West