NPARKS-0-DCS06
CHECKLIST FOR DC SUBMISSION - PEDESTRIAN OVERHEAD BRIDGE,
COVERED LINKWAY
Applicable
Not
Standard Requirements Complied Not Complied Applicable
With With
1 General
The plans should comprise :
a) Key and location plans of scale 1 : 10,000 or 1
: 5,000 showing access to the site from the
street or road
b) Site plan (scale 1 : 500, 1 : 200 and 1 : 100)
c) Address, lot and/or plot number of the
development site and neighbouring lots
d) Location of the proposed pedestrian overhead
bridge/covered linkway
e) Cross section of proposed pedestrian
overhead bridge and troughs (scale 1 : 50 or
1: 100)
f) Cross section of proposed covered linkway
(scale 1 : 50 or 1: 100)
g) The registered architect will submit a
completed NParks submission form, sign all
layers of drawings digitally and enclose the
letter of authorization from the developer
2 Site plan should show :
a) Alignment of proposed overhead bridge, the
spans of the proposed planting troughs and
schematic engineering drawing (with
dimensions) of the pedestrian overhead bridge
and foundation.
b) Alignment of proposed covered linkway and
schematic engineering drawing (with
dimensions) of the covered linkway
c) Development boundary verged in red
d) Road reserve lines/width of existing/proposed
roads (verged in red)
e) Existing and proposed road sidetable levels.
f) Location and dimensions of carriageway,
roadside drain, existing/proposed roadside
planting verge (coloured green), service verge
(coloured green) and footpath.
DC CH-LIST POB/COVERED LINKWAY 10/12/2011 at 10:57 PM Page 1 of 5
CHECKLIST FOR DC SUBMISSION - PEDESTRIAN OVERHEAD BRIDGE,
COVERED LINKWAY
Applicable
Not
Standard Requirements Complied Not Complied Applicable
With With
g) Location of existing and proposed lamp posts,
OG boxes, SCV boxes, manholes, sewer lines,
electrical posts, fire hydrants, traffic lights,
authorised signs, etc.
(If no new OG box is required, to attach a
confirmation letter from PowerGrid.)
h) Locations of proposed fire engine
hardstandings (if applicable)
i) The clearance from a road element to the
centre of a tree/palm should be indicated on the
site plan.
j) Location of proposed water tanker lay-by, as
approved at pre-consultation stage.
k) Planting beds beneath pedestrian overhead
bridge staircases are coloured green on plan.
l) Layout plan and cross sectional drawing
should show :
Boundary line, road reserve line,
carriageway, roadside drain, tree planting
verge, service verge and footpath with
dimensions. Existing carriageway, roadside
drain, planting verge and footpath to be
demolished in yellow broken line.
Details of footings and their clearance from
existing trees and roadside drain
Roof dimension and their clearance from
existing trees
Depth and types of existing/proposed
underground services
3 Existing Roadside Trees / Palms / Shrubs
3.1 Trees / palms /shrubs abutting the site
boundary and up to 10m on both sides of the
boundary are shown on plan with :
a) species
b) girth (tree / single stem palm) –
measured 1.0m from the ground
c) height (if available) and number of cluster
palm / shrub
3.2 Trees / single stem palms are uniquely
numbered and are consistent throughout the
project. No prefix is attached.
DC CH-LIST POB/COVERED LINKWAY 10/12/2011 at 10:57 PM Page 2 of 5
CHECKLIST FOR DC SUBMISSION - PEDESTRIAN OVERHEAD BRIDGE,
COVERED LINKWAY
Applicable
Not
Standard Requirements Complied Not Complied Applicable
With With
3.3 The trees / single stem palms are indicated in
the Tree Survey Information Form. Clear
photographs are provided, if available.
3.4 The colour code for existing trees/ palms/
shrubs is as follows:
Status of existing trees / palms / Outlined
shrubs in colour
a. to be retained green
b. to be removed yellow
c. removed without written red
approval
d. removed with written *yellow
approval
*yellow – indicate the approved date in tree
schedule
non-existence after inspection – indicate a
‘cross’ on tree symbol
3.5 For existing trees / palms on footpath, the
existing unpaved areas and loose paved PC
slabs around the trees are to be shown.
4 Retention Of Roadside Trees / Single
Stem Palms
The following proposed elements are positioned at
the minimum required distance from the centre of
a tree / single stem palm :
4.1 Proposed linkway/pedestrian overhead
bridge column footings
Tree / single stem palm Distance
a) single stem palm 1.0m
b) small to medium sized tree 1.5m
c) large tree 2.5m
4.2 Proposed linkway roof eaves to the lowest
branching of a tree
Tree Distance
All trees at least 0.3m
4.3 External wall of roadside drain and road kerb
Tree / single stem palm Distance
a. single stem palm 0.8m
b. small to medium sized tree 0.8m
c. large tree 1.5m
DC CH-LIST POB/COVERED LINKWAY 10/12/2011 at 10:57 PM Page 3 of 5
CHECKLIST FOR DC SUBMISSION - PEDESTRIAN OVERHEAD BRIDGE,
COVERED LINKWAY
Applicable
Not
Standard Requirements Complied Not Complied Applicable
With With
4.4 Scupper pipe / drain
Tree / single stem palm Distance
a. single stem palm 1.0m
b. small to medium sized tree 1.5m
c. large tree 2.5m
4.5 Lamp post
Tree / single stem palm Distance
a. single stem palm 4.0m
b. small to medium sized tree 4.0m
c. large tree 6.0m
4.6 OG box, manholes, sewer line, electrical post,
fire hydrant, SCV box, lighting control box,
traffic control box and traffic light
Tree / single stem palm Distance
a. single stem palm 2.0m
b. small to medium sized tree 2.0m
c. large tree 2.5m
4.7 Cement crossing (e.g. pushcart ramp for bin
centre)
Tree / single stem Palm Distance
All trees and single stem palms 1.5m
* Depending on the root spread, especially for tree
with girth more than 2.0m, larger tree protection
zone will be determined at site on case by case
basis
5 Lay-By For Water Tanker
5.1 A lay-by of 23m long and 3m wide is provided
for water tanker, unless there is a paved
shoulder. (A letter from Land Transport
Authority indicating no objection for the use of
paved shoulder is attached)
5.2 Location of the water tanker lay-by is within a
radius of 8m from the coupling point (at the
column of the bridge or housed in a pit) to the
mid- point of the lay-by.
DC CH-LIST POB/COVERED LINKWAY 10/12/2011 at 10:57 PM Page 4 of 5
Footnote:
1. All building activities and construction materials are to be confined within the project site and not
encroached onto the road sidetables.
2. Please apply to Streetscape Division of NParks regarding those roadside trees that require
pruning of tree branches / roots (girth more than 200mm) to accommodate construction
activities.
Address:
Streetscape Division
Headquarters (Raffles Building)
Singapore Botanic Gardens
1 Cluny Road
Singapore 256569
Tel: (65) 64717808, Telefax: (65) 67621383
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