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Council Meeting/Documents/Report dated November 1, 2023 from the Director of Engineering regarding Intersection Cost Comparison - Erskine Lane at Watkiss Way
Staff Report

Report dated November 1, 2023 from the Director of Engineering regarding Intersection Cost Comparison - Erskine Lane at Watkiss Way

November 7, 2023Pages 185–1872 sections

A staff report comparing intersection costs for the Erskine Lane at Watkiss Way project.

8.1.a Intersection Cost Comparison - Erskine Lane at Watkiss Way
November 1, 2023Erskine Lane at Watkiss Way

Construction Impact Assessment and Tree Management Plan for 339, 341, 345 Island Highway

Tree Inventory and Management Table

Page 185–187
Tag # Surveyed (Yes/No) Location (On, Off, Shared, City) Bylaw protected (Yes/No) Name (Common) Name (Botanical) DBH (cm) Dripline radius (m) Critical root zone radius (m) Condition (Health) Condition (Structural) Relative tolerance Retention suitability General field observations/remarks Tree Retention Comments Retention status
2347 Yes On Yes Douglas fir Pseudotsuga menziesii 17 3 2.0 Fair to poor Fair Moderate Conditional Being over taken by ivy, limited live crown The project arborist to supervise all excavation required within the critical root zone. Retain
2348 Yes On Yes Douglas fir Pseudotsuga menziesii 34 2 4.1 Fair to poor Fair Moderate Conditional Ivy infestation, health stress, The project arborist to supervise all excavation required within the critical root zone. Retain
2349 Yes On Yes Douglas fir Pseudotsuga menziesii 62 6 7.4 Fair to poor Fair to poor Moderate Conditional Medium size deadwood, extended lower limbs, slight corrected lean to the west The project arborist to supervise all excavation required within the critical root zone. Retain
2350 Yes On Yes Big leaf maple Acer macrophyllum 27, 34 6 6.0 Fair to poor Fair to poor Moderate Conditional 27cm stem is dead, large deadwood, rooted in rock, asymmetrical crown weighted to the east The project arborist to supervise all excavation required within the critical root zone. Retain
2351 Yes On Yes Douglas fir Pseudotsuga menziesii 49 5 5.9 Fair to poor Fair to poor Moderate Conditional Sparse canopy, ivy around lower trunk, asymmetrical crown weighted to the east, possible leader loss The project arborist to supervise all excavation required within the critical root zone. Retain
2352 Yes On Yes Douglas fir Pseudotsuga menziesii 50 4 6 Fair to poor Fair Moderate Conditional Sparse canopy, ivy around lower trunk, asymmetrical crown weighted to the south, small deadwood The project arborist to supervise all excavation required within the critical root zone. Retain
2353 Yes On Yes Douglas fir Pseudotsuga menziesii 11 1 1.3 Poor Fair to poor Moderate Conditional Very sparse canopy, historical leader loss The project arborist to supervise all excavation required within the critical root zone. Retain
2354 Yes On Yes Big leaf maple Acer macrophyllum 35, 26 6 6.1 Fair Fair Moderate Conditional Asymmetrical crown, lean to the east, possible health stress, ivy around base The project arborist to supervise all excavation required within the critical root zone. Retain
2355 Yes On Yes Big leaf maple Acer macrophyllum 20 2 2.4 Poor Fair to poor Moderate Unsuitable Advanced health decline, limited canopy area The project arborist to supervise all excavation required within the critical root zone. Retain
2356 Yes On Yes Big leaf maple Acer macrophyllum 22 5 2.6 Fair Fair Moderate Conditional Ivy around lower trunk, suppressed The project arborist to supervise all excavation required within the critical root zone. Retain
2357 Yes On Yes Arbutus Arbutus menziesii 24 5 3.6 Fair to poor Fair to poor Poor Conditional Northern stem in decline limited canopy, small to medium sized deadwood The project arborist to supervise all excavation required within the critical root zone. Retain
2358 Yes On Yes Big leaf maple Acer macrophyllum 21, 28 5 4.9 Fair Fair Moderate Conditional Asymmetrical crown weighted to the west, ivy around lower trunks, small deadwood The project arborist to supervise all excavation required within the critical root zone. Retain
2359 Yes On Yes Douglas fir Pseudotsuga menziesii 82 6 9.8 Fair Fair Moderate Conditional Small to medium sized deadwood, some health stress, slight corrected lean to the west The project arborist to supervise all excavation required within the critical root zone. Retain
2360 Yes On Yes Douglas fir Pseudotsuga menziesii 38 3 4.6 Fair to poor Fair to poor Moderate Conditional Ivy around lower trunk, possible leader loss, narrow high crown, health stress The project arborist to supervise all excavation required within the critical root zone. Retain
2361 Yes On Yes Big leaf maple Acer macrophyllum 13, 23 4 3.7 Fair Fair Moderate Conditional Asymmetrical crown weighted to the north, The project arborist to supervise all excavation required within the critical root zone. Retain
2362 Yes On Yes Big leaf maple Acer macrophyllum 32, 15, 14, 20 5 6.3 Fair Fair to poor Moderate Conditional Included bark at basal unions, lean to the north, cluster of stems, ivy The project arborist to supervise all excavation required within the critical root zone. Retain
2363 Yes On Yes Douglas fir Pseudotsuga menziesii 73 6 8.8 Fair Fair to poor Moderate Conditional Asymmetrical crown, corrected lean to the north, large deadwood The project arborist to supervise all excavation required within the critical root zone. Retain
2364 Yes On Yes Douglas fir Pseudotsuga menziesii 61 5 7.3 Fair Fair Moderate Conditional Asymmetrical crown, medium sized deadwood, some health stress The project arborist to supervise all excavation required within the critical root zone. Retain
2365 Yes On Yes Douglas fir Pseudotsuga menziesii 59 7 7.1 Fair to poor Fair to poor Moderate Conditional Extended lower limbs, asymmetrical crown, health stress, codominant with adjacent Douglas fir The project arborist to supervise all excavation required within the critical root zone. Retain
2366 Yes On Yes Douglas fir Pseudotsuga menziesii 58 7 7.0 Fair to poor Fair to poor Moderate Conditional Extended lower limbs, asymmetrical crown, health stress, codominant with adjacent Douglas fir The project arborist to supervise all excavation required within the critical root zone. Retain
2367 No On Yes Douglas fir Pseudotsuga menziesii 14 2 1.7 Fair Fair Moderate Conditional Ivy around trunk, small deadwood The project arborist to supervise all excavation required within the critical root zone. Retain
2368 Yes On Yes Big leaf maple Acer macrophyllum 27 5 3.2 Fair Fair Moderate Conditional Asymmetrical crown weighted to the north, small deadwood, suppressed The project arborist to supervise all excavation required within the critical root zone. Retain
2369 Yes On Yes Big leaf maple Acer macrophyllum 29 5 3.5 Fair Fair to poor Moderate Conditional Partially failed top, resumed apical growth, response growth at 6m, ivy around lower trunk The project arborist to supervise all excavation required within the critical root zone. Retain
2370 Yes On Yes Douglas fir Pseudotsuga menziesii 35 3 4.2 Fair Fair Moderate Conditional High crown, ivy, some health stress The project arborist to supervise all excavation required within the critical root zone. Retain
2371 Yes On Yes Big leaf maple Acer macrophyllum 32, 39, 41, 29, 22, 35, 30, 34, 23, 20, 36 10 9.7 Fair Fair to poor Moderate Conditional Small to medium sized deadwood, included bark at lower unions, ivy around lower trunks The project arborist to supervise all excavation required within the critical root zone. Retain
2372 Yes On Yes Big leaf maple Acer macrophyllum 7, 13, 14, 10, 10, 6 2 3.3 Fair Fair Moderate Conditional Cluster of stems, ivy around lower trunks The project arborist to supervise all excavation required within the critical root zone. Retain
2373 Yes On Yes Douglas fir Pseudotsuga menziesii 54 4 6.5 Fair Poor Moderate Conditional Historically top loss at 12m, asymmetrical crown, limited canopy area, ivy around lower trunk The project arborist to supervise all excavation required within the critical root zone. Retain
2374 Yes On Yes Douglas fir Pseudotsuga menziesii 46 2 5.5 Fair to poor Fair Moderate Conditional Health stress, asymmetrical crown weighted to the east, sparse canopy, high crown The project arborist to supervise all excavation required within the critical root zone. Retain
2375 Yes On Yes Douglas fir Pseudotsuga menziesii 62 5 7.4 Fair to poor Fair Moderate Conditional Health stress, asymmetrical crown, ivy around lower trunk, small deadwood The project arborist to supervise all excavation required within the critical root zone. Retain
2376 Yes On Yes Douglas fir Pseudotsuga menziesii 23, 39* 7 6.3 Fair to poor Poor Moderate Conditional Failed stem lodged between the two stems, larger stem partially failed resting in adjacent maple, health stress, smaller stem topped, asymmetrical crown *Remove failed stem. The project arborist to supervise all excavation required within the critical root zone. Retain*
2377 Yes On Yes Big leaf maple Acer macrophyllum 27, 26, 22 5 6.6 Fair Fair to poor Moderate Conditional Douglas fir stem resting in canopy, 22cm stem damaged by Douglas fir, included bark at base, asymmetrical crown weighted to south The project arborist to supervise all excavation required within the critical root zone. Retain
2378 Yes On Yes Big leaf maple Acer macrophyllum 34, 28, 15, 29 8 8.2 Fair Poor Moderate Unsuitable 15cm stem dead, 29cm stem advanced health decline, ivy around trunk, lean to the south The project arborist to supervise all excavation required within the critical root zone. Retain
2379 Yes On Yes Douglas fir Pseudotsuga menziesii 39 4 4.7 Fair to poor Fair to poor Moderate Conditional Asymmetrical crown, ivy around base, health stress The project arborist to supervise all excavation required within the critical root zone. Retain
2380 Yes On Yes Douglas fir Pseudotsuga menziesii 68 7 8.2 Fair to poor Fair to poor Moderate Conditional Health stress, extended lower limbs, medium sized deadwood, asymmetrical The project arborist to supervise all excavation required within the critical root zone. Retain
2381 Yes On Yes Douglas fir Pseudotsuga menziesii 34 3 4.1 Fair to poor Fair to poor Moderate Conditional Topped, suppressed, health stress, asymmetrical crown The project arborist to supervise all excavation required within the critical root zone. Retain
2382 Yes On Yes Douglas fir Pseudotsuga menziesii 30 5 3.6 Fair to poor Fair to poor Moderate Conditional Possibly topped, asymmetrical crown, health stress, medium sized deadwood The project arborist to supervise all excavation required within the critical root zone. Retain
2383 Yes On Yes Douglas fir Pseudotsuga menziesii 59 5 7.1 Fair to poor Fair Moderate Conditional Health stress, asymmetrical crown, corrected lean to the south The project arborist to supervise all excavation required within the critical root zone. Retain
2384 Yes On Yes Douglas fir Pseudotsuga menziesii 32 4 3.8 Fair to poor Poor Moderate Conditional Topped, deflection in upper trunk, asymmetrical crown, health stress The project arborist to supervise all excavation required within the critical root zone. Retain
2385 Yes On Yes Douglas fir Pseudotsuga menziesii 54 4 6.5 Fair Fair Moderate Conditional Health stress, high crown, ivy around trunk, asymmetrical crown The project arborist to supervise all excavation required within the critical root zone. Retain
Page 185–187
Extracted from: 2023 11 07 Council Agenda - Agenda - Pdf