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(2) Noise Barriers/ Enclosures. Mini-Pile Foundation ( for Areas below Tuen Mun Town Plaza ). (2) Noise Barriers/ Enclosures. Greening System – Green Wall & Green Roof. (2) Noise Barriers/ Enclosures.

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(2) Noise Barriers/ Enclosures

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2 noise barriers enclosures

(2) Noise Barriers/ Enclosures

Mini-Pile Foundation (for Areas below Tuen Mun Town Plaza)

(2) Noise Barriers/ Enclosures


Greening system green wall green roof

Greening System – Green Wall & Green Roof

(2) Noise Barriers/ Enclosures

We together with our exclusive greening partner – GreenWall Bioengineering (HK) Ltd. has designed a bioengineering solution for innovative greening: -

GREEN WALL

  • Sansevieria Trifacsiata (矮虎尾蘭) and Sansevieria trifacsiata “Laurentill” (金邊虎尾蘭) - evergreen; minimal maintenance; drought durable; efficient CO2-reduction etc.

(2) Noise Barriers/ Enclosures

Sansevieria trifacsiata “Laurentill” (金邊虎尾蘭)

Sansevieria Trifacsiata (矮虎尾蘭)


Greening system green wall green roof1

Greening System – Green Wall & Green Roof

(2) Noise Barriers/ Enclosures

GREEN ROOF

  • Arachis duranensis (金花生)

  • Sedum lineare (佛甲草)

  • Liriope spicata Dwarf (日本矮浦草)

  • Rhoeo discolor Dwarf (矮紫蚌花)

    Key Properties:

  • Evergreen; Colourful;

  • Minimal maintenance (approx.6-month cycle)

  • Suitable for Roof Planting (findings from planting trials for 3-yr)

(2) Noise Barriers/ Enclosures


2 noise barriers enclosures

(2) Noise Barriers/ Enclosures

Pre-Planting & Pre-Treatment Nursery

  • Pre-treatment in Plant Holder in Nursery for 2-month Biological Pre-Treatment Process – Full Growth & Establishment of Plant Species

  • Bio-organic Fertilizers – No chemical; Anti-fungal/ Moss/ Red-Fire Ants

  • Extra 1-month Intensive Root Growth on Vertical Pre-fabricated Panel for Green Wall

(2) Noise Barriers/ Enclosures


2 noise barriers enclosures1

(2) Noise Barriers/ Enclosures

Green Wall

Preparation Procedure for Green Wall & Roof

(2) Noise Barriers/ Enclosures

Green Roof


Greening system irrigation

Greening System – Irrigation

(2) Noise Barriers/ Enclosures

Green Wall = “Dripline” System; Green Roof = Sprinkler &/or “Dripline” System

  • Dripline Irrigation System: -

    • Pressure Regulator – Constant Water Out-Flow

    • Anti-Backflow Check-Valves on Each Dripline Emmitter – No Backflow/ Blockage

    • 150mm c/c Dripline Emitters with Inlet Filter– Water More Evenly Distributed

    • Auto Self-Flush Filtration System – Automatic Removal of Debris/ Sediments in Filter Screen; Safe; Self-Flushing Frequency As Per Setting.

  • Solar Wireless Irrigation Control System: No Battery; Self-Diagnose for Valve Problems; Automatic Program Operation; Minimal Maintenance; Environmental Friendly etc.

  • Automated monitoring Weather Station: Automatic Control the Watering Time according to On-site Micro-Climates (Healthier for Plants)

(2) Noise Barriers/ Enclosures


2 noise barriers enclosures2

(2) Noise Barriers/ Enclosures

Typical Irrigation System for Green Wall

(2) Noise Barriers/ Enclosures


2 noise barriers enclosures3

(2) Noise Barriers/ Enclosures

(2) Noise Barriers/ Enclosures

Wireless Controller

Auto Monitoring Weather Station

Solar Wireless Irrigation Control System

Dripline Pipes

Auto Self-Flush Filtration System

Auto Irrigation Controller


3 footbridge yan oi bridge

(3) Footbridge (Yan Oi Bridge)

(3) Footbridge (Yan Oi Bridge)


3 footbridge yan oi bridge1

(3) Footbridge (Yan Oi Bridge)

(3) Footbridge (Yan Oi Bridge)


3 footbridge yan ching bridge

Overall Design Theme & Concept

(3) Footbridge (Yan Ching Bridge)

(3) Footbridge (Yan Ching Bridge)


2 footbridge yan ching bridge

Overall Design Theme & Concept

(2) Footbridge (Yan Ching Bridge)

(3) Footbridge (Yan Ching Bridge)


2 footbridge siu on bridge

(2) Footbridge (Siu On Bridge)

(3) Footbridge (Siu On Bridge)


2 footbridge siu on bridge1

(2) Footbridge (Siu On Bridge)

(3) Footbridge (Siu On Bridge)


2 footbridge chi lok bridge

(2) Footbridge (Chi Lok Bridge)

(3) Footbridge (Chi Lok Bridge)


3 footbridge chi lok bridge

(3) Footbridge (Chi Lok Bridge)

(3) Footbridge (Chi Lok Bridge)


4 vehicular bridge s1

(4) Vehicular Bridge S1

(4) Vehicular Bridge S1

Tuen Mun Road (YL/B)

2. Existing RCP & Car Parks

Wong Chu Road Flyover

Tuen Mun Road (KL/B)

4. Castle Peak Road

1. Wong Chu Rd Flyover

3. Resident/ Public


Special design construction features

Special Design & Construction Features

(4) Vehicular Bridge S1

  • Monolithic Design Concept

    • Longest Span = 40m

    • Utilize the Best Structural Form – Reduce Pier, Bearings & Foundation Construction

      Minimize Disturbance to the Nearby Residents & Minimize Maintenance Requirements

  • Prestressing System:

    • Use of Plastic Duct as Prestressing Tendon Sheath – Eliminate Risk of Grout/ Cement Leakage; Effectively Reduce Friction Loss; & Facilitate Vacuum Grouting

    • Use of Vacuum Grouting – No void inside tendons

      Enhance the Overall Durability of the Whole Bridge Structures

  • Movement Joint – Low Noise MJs as used in CHEC’s Project with HyD at R8 ETY

  • Noise Barrier

    • Break down into 2 sections to create relatively lightness structure

    • Only 1-side green panels to avoid maintenance of green walls at height

(4) Vehicular Bridge S1


4 vehicular bridge s11

(4) Vehicular Bridge S1

Interface Structural Assessment for WCR Flyover

(4) Vehicular Bridge S1


4 vehicular bridge s12

(4) Vehicular Bridge S1

Interface Structural Arrangement for Bridge Deck over RCP

(4) Vehicular Bridge S1

Bridge Elevation

Bridge Elevation

Cross-Section


4 vehicular bridge s13

(4) Vehicular Bridge S1

(4) Vehicular Bridge S1


China harbour engineering company limited chec

China Harbour Engineering Company Limited (CHEC)

(5) Conclusion

CHEC has extensive experience in design & construction of noise barrier/ enclosure, and completed the largest noise barrier & enclosure ever built in a single contract in Hong Kong under TDD’s Contract ST86/2000.

We will: -

  • Design & construct the Works taking into account all constraints, considerations and requirements of the Contract including Environmental Permits etc.

  • Minimize disturbance to the Public & environmental impacts

  • Secure the safety of road users/ public & all staff working on site at all times

  • Coordinate with all relevant authorities & UUs, and obtain necessary approvals/ permits for the design & construction of the Works.

  • Maintain our good relationship with the locals & all interfacing parties based on our current experience in working with the RMO, District Council &TD etc in Tuen Mun.

  • Identify & resolve all potential problems in the design & construction in advance for eliminating any risk to the execution of the Works.

(5) Conclusion


Thank you

Thank you

China Harbour Engineering Co. Ltd.

19/F., China Harbour Building

370-374 King’s Road

North Point, Hong Kong

Tel:+852 2887 8118

Fax:+852 2570 2135

www.chechk.com


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