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September 2015 FOG STUD I0. Agenda Project Overview Building Improvements Existing Conditions Survey Restroom Accessibility Electrical and Lighting Wood.

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Presentation on theme: "September 2015 FOG STUD I0. Agenda Project Overview Building Improvements Existing Conditions Survey Restroom Accessibility Electrical and Lighting Wood."— Presentation transcript:

1 September 2015 FOG STUD I0

2 Agenda Project Overview Building Improvements Existing Conditions Survey Restroom Accessibility Electrical and Lighting Wood Siding, Railings and Fascia Minor Structural Repairs Swallow Nesting & Building Maintenance Recommended Habitat Solutions Interpretive Center Schedule Boardwalk Improvements Interpretation Feedback

3 Project Overview

4 Existing Building Plan

5 Building Repairs New wood siding New wood decking New wood fascia New wood guardrails New wood vertical guardrail elements

6 Building Improvements - Restrooms

7 Restroom Plan Change Existing Restroom LayoutProposed Restroom Layout Toilet Sink Urinal Trough Sink Hand Dryer Changing Station Drinking Fountain ABCDEFGABCDEFG A A A A A ABB C B B G G D C BB F F

8 Restroom Finishes

9 Restroom Fixtures

10 Electrical and Lighting Upgrades Electrical Panel to be replaced Existing Entry Lighting Existing Overhang Lighting Proposed Restroom Lighting Proposed Overhang and Entry Lighting

11 Building Improvements – Wood Siding

12 Wood Types - Western Red Cedar, Redwood… Building Improvements – Wood Siding Looking for Local resources Longevity Character Constructability

13 Building Improvements – Wood Fascia & Decking

14 Building Improvements – Wood Railing Existing interpretive graphics are faded and do not comply with ADA requirements. Railings will be designed to accommodate new graphics system Existing railing openings do not comply with Code Existing steel railing sectionDeteriorated siding on railing support

15 Building Improvements – Wood Railing Wood rail and pickets Glass railing inserts to accommodate Children

16 Building Improvements – Structural Repairs

17 Swallow Nesting & Building Maintenance

18 Building Overhangs Swallow habitats Soffit boards

19 Swallow Nesting

20 Swallow Habitat Options Swallow habitat Opening cut in deck

21 Swallow Habitat Options

22 Swallow Habitat Option A 1 Example of artificial nesting box shelf, may vary to suit bird

23 Swallow Habitat Option B Example of artificial nesting box shelf, may vary to suit bird

24 Interpretive Center Schedule Project out to Public bid: Summer of 2016 Expected Construction duration: approximately 12 Months Schedules are subject to Environmental Permitting process

25 BAYLANDS BOARDWALK

26 Overview Structure and Constraints Structure Assessment Site Constraints Feasibility Study Repair Rehabilitation Replacement

27 Structure Assessment Closed to Public Serious Condition Superstructure Substructure

28 Site Constraints Environmental Conditions Subsurface Conditions Hydraulic Conditions Access and ADA Constraints

29 Repair Option Conduct Limited Repairs to Provide Limited Public Access Until Full Rehabilitation / Replacement Open: Nature Center to First Overlook Platform (approx. 200 ft.) Closed: Beyond First Overlook Key Advantages/Challenges: ADA Compliance: Match Existing Sea Level Rise: Not Addressed Design Life: Approx. 3-5 years Construction Costs: Low Cost Maintenance Costs: Similar to Exist Const. Duration: Approx. 1-2 months

30 Rehabilitation Option 1 Utilizes Temporary Support System to Support Exist Structure While Failed Substructure is Replaced Key Challenges: ADA Compliance: Difficult to Meet Current Standards Sea Level Rise: Difficult to Raise Exist Deck Level Design Life: Approx. 25-50 years Construction Costs: Similar to Full Replacement Costs Maintenance Costs: Similar to Exist Const. Duration: approx. 1-2 years

31 Rehabilitation Option 2 Constructs a New Support System Outboard of Existing Support System and Boardwalk Decking Key Challenges ADA Compliance: Difficult to Meet Current Standards Sea Level Rise: Less Difficult than Option 1 to Raise Exist Deck Level Design Life: Approx. 25-50 years Construction Costs: Similar to Full Replacement Costs Maintenance Costs: Similar to Exist Const. Duration: Approx. 1-2 years

32 Replacement Option 1 Replaces Existing Boardwalk with New Timber Boardwalk with Timber Plank Decking with Either Timber or Steel Supports Key Advantages ADA Compliance: Fully Compliant Sea Level Rise: Deck Elev. Raised Design Life: Approx. 50-75 years Construction Costs: Similar to Rehabilitation Costs Maintenance Costs: Less than Exist Const. Duration: Approx. 1-2 years

33 Replacement Option 2 Replaces Existing Boardwalk with New Timber Boardwalk with Timber Stringer and Decking with Either Timber or Steel Supports Key Advantages ADA Compliance: Fully Compliant Sea Level Rise: Deck Elev. Raised Design Life: Approx. 50-75 years Construction Costs: Similar to Rehabilitation Costs Maintenance Costs: Less than Exist and Slightly Less than Option 1 Const. Duration: Approx. 1-2 years

34 Feedback Comments on Proposed Improvements Comments on Proposed Bird Habitat Options Comments on Proposed Boardwalk Options Questions?

35


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