CORENET X

Legend:

Architecture

C&S

M&E

Objectives: To establish development platform level and development access that will properly interface with the proposed carriageway
	Requirements for Road Infrastructure and Vehicle Access
	Vehicular Access Points Connections and Interfaces at Development Boundary To indicate the road level, entrance culvert level, and the proposed development platform level. For new roads proposed in conjunction with development(s), to develop the development platform level and proposed levels of the development access points based on the vertical alignment of the proposed carriageway (before QP confirms on the development platform level for the design of the foundation / structural works). To show the gradient of entrance approach. To indicate the configuration of the proposed access. To indicate the width and turning radius of the proposed access. To indicate the provision of tactile tiles. To indicate any proposed relocation of existing road elements, such as trees, lamp posts, signs, etc., which may be affected by proposed access.
	Layout of Proposed Frontage Improvement Works To determine the extent of improvement works required along the road sidetable, such as conversion of open drain to covered drain cum footpath, setting back of drain for development affected by RRL. To indicate the proposed footpath width, level, and its gradient. To determine the extent of improvement works required along the road carriageway, such as localised road widening etc. To relocate any existing manholes located on the future carriageway. To check if additional street lightings are required. To vest the Street Reserve Plot in State (except for A&A proposal).
	Design of New Street (incl. Modifications to Existing Streets) To indicate all details determined during the planning consultation stage, and clearly list down the design changes from TCOT / land use stage. To identify and declare all non-compliances to design standards. To submit the road alignment and junction layout plan. To develop and submit the horizontal alignment and vertical profile of the proposed carriageway (new or widening / realignment of existing carriageway) connecting to the existing junction / carriageway. The horizontal alignment includes the superelevation along the road bends. To show the drainage layout plan (drain, box culvert and sump) and the drainage vertical profile, drain top level and invert level in the profile / longitudinal section drawing. To show the extent of cut / fill slopes with existing ground level and indicate the impact on existing trees (identify trees to be felled, retained etc.). To show the location and layout of commuter facilities and major structural works that will affect the road vertical and horizontal alignment in the plan view, longitudinal section drawing and cross-section drawing. To show the extent of retaining wall to be provided (within or abutting the RRL) in the layout plan, and the layout and height of the retaining wall in the longitudinal section plan and cross-section drawings. To show the tree affected plan (trees to be felled, retained etc.). To show cross-section details of the proposed typology of road sidetable and roadside features and structures (POB, linkway, bus-stop, drain, box-culvert etc.). To relocate any existing manholes located on the future carriageway. To seek waiver for retention of existing manhole on future road carriageway, cycling path and footpath, if any.
	Connections and Interfaces at Development Boundary To develop the development platform level and proposed levels of the development access points based on the vertical alignment of the proposed carriageway (before developer confirms on the development platform level for the design of the foundation / structural works). To show the extent of retaining wall to be provided (within or abutting the RRL) in the layout plan, and the layout and height of the retaining wall in the longitudinal section plan and cross-section drawings.
	Requirements for Commuter Facilities
	Layout of Covered Linkway / High Covered Linkway To show the proposed layout i.e. alignment, width, and headroom of the covered linkway / high covered linkway. To show the location where the covered linkway connects with the existing bus shelter, and identify any existing bus features such as noticeboards, seats affected by the linkway connection, which would have an impact on the layout of the covered linkway. Connections and Interfaces at Development Boundary For covered linkways connecting to within the development site, to submit layout plans and section details at the interface, showing the RRL, alignment, floor levels, and headroom. To delineate the portion of linkway to be maintained by developer. Handed over to LTA for management.
	POB Layout To show the proposed alignment, width, and headroom (min 5.7m), of the POB. To establish the column size and position within / outside the road reserve. Min. lateral clearance from the road shall be provided. Connections and Interfaces at Development Boundary Where the POB connects to within the development site, to submit layout plans and section details at the interface, showing the RRL, alignment, floor levels, and headroom. To delineate the portion of POB to be maintained by developer / handed over to LTA for management.
	Pedestrian Underpass Layout To submit cross-section details showing the overburden i.e. depth of UPN from road levels. To show the proposed alignment, width, ceiling height / headroom, of the UPN. To ensure that the provision of lifts / escalators / staircase is adequate. Connections and Interfaces at Development Boundary To submit layout plans and section details at the interface, where the UPN connects to within the development site. To delineate the portion of UPN to be maintained by developer / handed over to LTA for management.
	Layout of Bus Stop To show the location of the bus stop. To show the position, and dimensions of the bus bay / bus box. To show the proposed location, alignment, and dimensions of the bus shelter. To indicate the location of the bus pole. To relocate existing manhole located on the future bus bay, if any. Connections and Interfaces at Development Boundary For bus stops directly integrating with the development infrastructure, to submit layout plans and sectional details of the bus shelter and bus bay / bus box.
	Layout of Taxi Shelter To show the proposed layout of the taxi stand indicating the location of the taxi shelter, width, and length of the taxi bay. To relocate existing manhole located on the future taxi bay, if any. Connections and Interfaces at Development Boundary For taxi shelters directly integrating with the development infrastructure, to submit layout plans and sectional details of the taxi shelter.
	Requirements for Active Mobility Infrastructure
	Cycling Path Layout To show the proposed layout, width, and alignment of the cycling path. To indicate the gradient of cycling path if it is steeper than 1:25. To determine if widening of existing pedestrian crossing is required. To determine if additional lightings are required.

See all requirements for Design Gateway

Objectives: To finalise all other details necessary for construction of the road and related infrastructure works
	Requirements for Road Infrastructure and Vehicle Access
	Vehicular Access Point Details Connections and Interfaces at Development Boundary To reflect the details presented at Design Gateway (G1) Stage. To show the structural details of entrance culvert at access points i.e., reinforcement, connection to entrance approach etc. To indicate the position of the ‘Stop’ line and ‘Stop’ sign (if required). To indicate the position of the ‘1-way’ arrow (if required). To show that any redundant accesses are sealed and reinstated to match the existing side-table.
	Details of External Works (Frontage Improvement Works) To reflect all details presented at Design Gateway (G1) stage. To submit the Traffic Plan. To submit the street plan and cross-section details showing the proposed levels, width and cross-fall of carriageway, planting verge and footpath. To clearly specify the size of proposed cross-culverts, and establish maintenance agreements with the relevant agencies (for cross-culverts less than 2m wide, to seek concurrent clearance with PUB Drainage). To submit the streetlighting plan (if applicable).
	Details of Side Table Modifications for Addition of Auxiliary Lanes, U-turns etc. To incorporate all details presented at Design Gateway (G1) stage. To submit the Traffic Plan. To submit the street plan, clearly indicating the layout plan, longitudinal section and cross-section details, such as the proposed levels, width and cross-fall of carriageway, planting verge and footpath. To clearly specify the size of proposed cross-culverts, and establish maintenance agreements with the relevant agencies (for cross-culverts less than 2m wide, to seek concurrent clearance with PUB Drainage). To submit the streetlighting plan (if applicable).
	Details of New Street (incl. Modifications to Existing Streets) To incorporate all details presented at Design Gateway (G1) stage. To submit the Traffic Plan. To submit the street plans, clearly indicating the layout plan, longitudinal section, and cross-section details. To submit geotechnical details for foundation, retaining wall, slope (if any). To submit structural and M&E details for road structures and associated commuter facilities. To submit the street lighting plan.
	Street Works Deposit For private developments with proposed major road infrastructure works (e.g., new streets, major improvement of an existing street, POB, UPN), to determine, and furnish the amount to be deposited with LTA for the execution and completion of the proposed street works.
	Requirements for Commuter Facilities
	Detailed Architectural / Structural Layout, and M&E Provisions of Covered Linkways To reflect all details presented at Design Gateway (G1) stage. Architectural Details To submit the ‘Architectural Checklist for Covered Linkways’. To ensure that the proposed architectural design complies with the architectural requirements listed within the checklist. For covered linkways connecting/interfacing with bus stops, to provide details of connection/bus stops, e.g., relocation of bus shelter elements. Structural Details To provide structural details (i.e., column width, footing), materials. To establish the column size and position within the road reserve. To determine if column footing will impact the top slab of the box drain, and coordinate (with PUB). M&E Details To submit the ‘M&E Checklist for Bus Shelter, Taxi/Passenger Pick-Up Shelter, Pedestrian Overhead Bridge (POB), and Covered Linkway’. To ensure that the proposed design complies with the M&E requirements listed in the checklist. Connections and Interfaces at Development Boundary For covered linkways connecting to within the development site, to provide details of connection/interfaces with development. Note: Refer to LTA’s Infrastructure Design Criteria, M&W Specification, Architectural Design Checklist for Covered Linkways, and M&E Checklist for a full list of requirements/detailed descriptions.
	Detailed Structural Layout, and M&E Provisions of Pedestrian Overhead Bridges To reflect all details presented at Design Gateway (G1) stage. Architectural & Structural Details To submit the architectural checklist for the Pedestrian Overhead Bridge. To ensure that the proposed architectural design complies with the architectural requirements listed within the checklist. To provide structural details of POB (i.e., column width, footing). M&E Details To submit the ‘M&E Checklist for Bus Shelter, Taxi/Passenger Pick-Up Shelter, Pedestrian Overhead Bridge (POB), and Covered Linkway’. To ensure that the proposed M&E lighting design complies with the M&E requirements listed in the checklist. Connections and Interfaces at Development Boundary For POBs connecting to within the development site, to provide details of connection/interfaces with development, in accordance to the guidelines listed in the checklist. To determine and advise possible road closure due to hoisting of link bridges. Note: Refer to LTA’s Infrastructure Design Criteria, M&W Specification, Architectural Design Checklist for Pedestrian Overhead Bridge (POB), and M&E Checklist for a full list of requirements/detailed descriptions.
	Detailed Structural Layout, and M&E Provisions of Bus Shelters To reflect all details presented at Design Gateway (G1) stage. Architectural & Structural Details To submit architectural checklist for pedestrian underpass. To ensure that the proposed architectural design complies with the architectural requirements listed within the checklist. To provide structural details of bus shelter, seating arrangement, bus info panels etc. To provide bollard and flooring details. For covered linkways connecting/interfacing with bus stops, to provide details of connection/bus stops, e.g., relocation of bus shelter elements. M&E Details To submit the ‘M&E Checklist for Bus Shelter, Taxi/Passenger Pick-Up Shelter, Pedestrian Overhead Bridge (POB), and Covered Linkway’. To ensure that the proposed M&E lighting design complies with the M&E requirements listed in the checklist. Connections and Interfaces at Development Boundary For bus stops directly integrating with the development infrastructure, to submit layout plans and sectional details of the bus shelter and bus bay/bus box. Other Requirements To submit the Traffic Plan. To confirm the need of temporary bus stop provision and its position. To confirm the relocation date and commissioning of the new bus stop.
	Detailed Layout of Taxi Shelter To reflect all details presented at Design Gateway (G1) stage. Architectural & Structural Details To submit Traffic Plan. To submit architectural plans and section details for the taxi shelter. To submit architectural checklist for the taxi shelter. To provide structural details of taxi shelter, seating arrangement, etc. To provide bollard and flooring details. To provide details of lighting provisions and M&E provisions (if any). Taxi pole. M&E Details To submit the ‘M&E Checklist for Bus Shelter, Taxi/Passenger Pick-Up Shelter, Pedestrian Overhead Bridge (POB), and Covered Linkway’. To ensure that the proposed M&E lighting design complies with the M&E requirements listed in the checklist. Connections and Interfaces at Development Boundary For taxi stands directly integrating with the development infrastructure, to submit layout plans and sectional details of the taxi stand and bay. To confirm the need of temporary taxi provision and its position.

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