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Home My WebLink AboutFile Documents.430 W Hallam St.0291.2017 (115).ARBKWELS Markup #2 430 W Hallam Page: 1 Author: rickma Date: 5/30/2019 3:24:05 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf Please confirm that this statement is accurate for Sheet IR-1. For example, A9 appears to be serving areas in ROW and on the property. This zone is also serving high water bluegrass and low water buffalo grass. Revise plans to be consistent with statement #14, and place plants of similar water needs in same hydrozone and irrigation valve. 1 (1) Page: 2 Author: rickma Date: 5/30/2019 3:53:06 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf A4 and A15 are serving low to medium water-use perennial plants, not high use as indicated on the worksheet. City staff discussed this with DHM and staff agreed to a higher water designation in order to best serve a particular set of circumstances, as described by the LA. Please explain the site conditions further, i.e. east side water needs v. west side water needs for these two perennial beds 2 (9) Page: 2 Author: rickma Date: 5/30/2019 3:24:49 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf A Populus angustifolia is depicted on Sheet L102 in this general location. Please depict the tree here and include it on an irrigation zone and valve. Page: 2 Author: rickma Date: 5/30/2019 3:04:19 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf Please clarify which valve is serving this turf area Please confirm that this statement is accurate for Sheet IR-1. For example, A9 appears to be serving areas in ROW and on the property. This zone is also serving high water bluegrass and low water buffalo grass. Revise plans to be consistent with statement #14, and place plants of similar water needs in same hydrozone and irrigation valve. A4 and A15 are serving low to medium water-use perennial plants, not high use as indicated on the worksheet. City staff discussed this with DHM and staff agreed to a higher water designation in order to best serve a particular set of circumstances, as described by the LA. Please explain the site conditions further, i.e. east side water needs v. west side water needs for these two perennial beds A Populus angustifolia is depicted on Sheet L102 in this general location. Please depict the tree here and include it on an irrigation zone and valve. Please clarify which valve is serving this turf area Page: 2 Author: rickma Date: 5/30/2019 3:59:50 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf Valve A14 isn't graphically connected to a lateral line, although it appears to be serving a drip line to trees. The water budget indicates that this valve is serving overhead sprinklers, not drip. Revise worksheet and/or plans accordingly. Page: 2 Author: rickma Date: 5/30/2019 3:28:26 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf These ROW zones are serving existing bluegrass turf, therefore they should be very high water-use hydrozones. Revise accordingly. ROW zones are still excluded from the calculations. Page: 2 Author: rickma Date: 6/3/2019 9:13:25 AM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf As per WELS Section 4.3.2 (m), irrigation work within tree dripline requires hand-grubbing no deeper than 6", and roots larger than 4" cannot be cut. Please add the language of that Section on the irrigation plans Page: 2 Author: rickma Date: 5/30/2019 3:48:40 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf A15 is serving drip not overhead. Revise calculations accordingly. Valve A14 isn't graphically connected to a lateral line, although it appears to be serving a drip line to trees. The water budget indicates that this valve is serving overhead sprinklers, not drip. Revise worksheet and/or plans accordingly. These ROW zones are serving existing bluegrass turf, therefore they should be very high water-use hydrozones. Revise accordingly. ROW zones are still excluded from the calculations. As per WELS Section 4.3.2 (m), irrigation work within tree dripline requires hand-grubbing no deeper than 6", and roots larger than 4" cannot be cut. Please add the language of that Section on the irrigation plans A15 is serving drip not overhead. Revise calculations accordingly. Page: 2 Author: rickma Date: 5/30/2019 9:39:42 AM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf A Pinus contorta is depicted in this general location on Sheet L102. Please depict the tree here, and include it on an irrigation zone/valve. Page: 2 Author: rickma Date: 5/30/2019 1:30:07 PM File Name: 20190529 Irrigation Submittal Sheets_430 W Hallam St.pdf A5 is serving medium water use trees, not high. Revise accordingly Page: L100 TREE REMOVAL AND PROTECTION PLAN Author: rickma Date: 5/30/2019 4:18:27 PM File Name: 430 W Hallam_Landscape Drawing Set.pdf Add the language of WELS Section 4.3.2 (m) (regarding irrigation work under trees) as Note #13. L100 TREE REMOVAL AND PROTECTION PLAN (1) Page: L101 SITE MATERIALS PLAN Author: rickma Date: 5/30/2019 4:33:13 PM File Name: 430 W Hallam_Landscape Drawing Set.pdf The excavation for the fence footers in these locations will dramatically affect the health of these mature trees. Consider re-locating the footers outside the dripline of the existing trees, where feasible, to reduce impacts to established root systems. L101 SITE MATERIALS PLAN (1) A Pinus contorta is depicted in this general location on Sheet L102. Please depict the tree here, and include it on an irrigation zone/valve. A5 is serving medium water use trees, not high. Revise accordingly 9.IRRIGATION OF TREES IS REQUIRED THROUGHOUT THE ENT IS APPROPRIATE FOR PROPER HEALTH. CONSULT WITH CIT TAKE PLACE ALONG THE EDGE OF THE ROOT CUTTINGS. TH CONTRACTOR WILL IRRIGATE THE BURLAP WITH AN APPRO 10.ALL REMAINING TREES ON SITE TO BE MONITORED FOR INS CERTIFIED ARBORIST . FOLLOW A WATERING SCHEDULE FO ENSURE ARBORIST RECOMMENDATIONS ARE IMPLEMENTED 11.THERE WILL BE NO STORAGE OF MATERIAL, EQUIPMENT, O 12.AIRSPADE EXCAVATION REQUIRED AT DRIVEWAY AT THE EA Add the language of WELS Section 4.3.2 (m) (regarding irrigation work under trees) as Note #13. WEST H A L L A M S T R E E T BACK OF CURB EX. TREE TO PROTECT AND REMAIN. (TYP.) SEE TREE REMOVAL AND PROTECTION PLAN WALKWAY WITHIN R.O.W. FOLLOWS EXISTING PATH ALIGNMENT 42" WROUGHT IRON FENCE SAND-SET BRICK PAVERS 6' WOOD PRIVACY FENCE TO W 7 9 0 5 . 8 TO W 0 6 . 0 The excavation for the fence footers in these locations will dramatically affect the health of these mature trees. Consider re-locating the footers outside the dripline of the existing trees, where feasible, to reduce impacts to established root systems. Page: L102 PLANTING PLAN Author: rickma Date: 5/30/2019 1:38:18 PM File Name: 430 W Hallam_Landscape Drawing Set.pdf Please label this Buffalo grass sod in Legend L102 PLANTING PLAN (1) Page: L103 HYDROZONE DIAGRAM Author: rickma Date: 5/30/2019 3:45:13 PM File Name: 430 W Hallam_Landscape Drawing Set.pdf The buffalo grass sod is indicated to be low (L), not very low (VL) water use in the water budget calculations on IR1. Revise accordingly. L103 HYDROZONE DIAGRAM (2) Page: L103 HYDROZONE DIAGRAM Author: rickma Date: 5/30/2019 4:01:58 PM File Name: 430 W Hallam_Landscape Drawing Set.pdf These new trees should be in a hydrozone and served by the drip irrigation system; they presently are not on separate valves according to IR-1. Revise irrigation plans and calculations accordingly. Please contact City Forester to confirm the locations of these two new trees. Over-planting/crowding of existing and proposed trees in this area is a concern. Page: L104 PLANTING NOTES Author: rickma Date: 5/30/2019 4:06:24 PM File Name: 430 W Hallam_Landscape Drawing Set.pdf According to the plans there are two primary grass species (existing and proposed) on this site. Please clarify this statement to be consistent with the plans and specifications. L104 PLANTING NOTES (1) PROPOSED BUFFALO GRASS SOD MALUS X 'SPRING SNOW' Please label this Buffalo grass sod in Legend ZONE 2 - PERENNIAL BED - L - 57 ZONE 3 - SOD - VL - 3927 SF The buffalo grass sod is indicated to be low (L), not very low (VL) water use in the water budget calculations on IR1. Revise accordingly. WEST H A L L A M S T R E E T APPROXIMATE LIMIT OF PROPOSED LAWN PROPOSED BUFFALO GRASS SOD BACK OF CURB REPLACEMENT FOR TREE #15 PINUS CONTORTA LATIFOLIA 4" COTTONWOOD These new trees should be in a hydrozone and served by the drip irrigation system; they presently are not on separate valves according to IR-1. Revise irrigation plans and calculations accordingly. Please contact City Forester to confirm the locations of these two new trees. Over-planting/crowding of existing and proposed trees in this area is a concern. SPECIES TO MATCH EXISTING. RIAL IS TO BE HEALTHY SPECIMENS FREE FROM DISEASE OR DAM R IS TO VERIFY ALL QUANTITIES; IN CASE OF DISCREPANCIES, GR ITIES SHALL TAKE PRECEDENCE. PROVIDE MATCHING SIZES AND D. ALS USED SHALL CONFORM TO THE GUIDELINES ESTABLISHED BY According to the plans there are two primary grass species (existing and proposed) on this site. Please clarify this statement to be consistent with the plans and specifications.