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HomeMy WebLinkAboutX2021-3132 - Misc (3)" Z. 6 '2-1 13 .Z- 1 (3 L/ r ckr t7vy- tfre f t C' Y01e Daniel Garrison MacBeth Design and Build - General Contractor State License No. 700795 37 Parkcrest Newport Coast, California 92660 November 2, 2020 Mr. Soon Cho City of Newport Beach Community Development— Building Division 100 Civic Center Drive Newport Beach, California 92658 Re: Residential Plan Review Comments 1627 Harbor Crest Circle, Corona del Mar, Ca. 92625 Plan Check 1998-2020 ITEM CORRECTION RESPONSE GENERAL Obtain plan review approval from the following: 1 a. Building Division Pending b. Planning Division c. Public Works Department Final drawings which will be approved for 2 permit issuance, shall be signed by the Please see title block on each sheet respective design professional (electronic Middle of Sheet - Right Side of sheet signature is acceptable). Write Note on plans: The maximum time to complete 3 construction on a project is limited to Please see Delta 4 with revision cloud on three years from the date of the Sheet b (Cover Sheet) permit for all permits issued after August 21, 2019 as required by NBMC Section 15.02.095. For minor drainage alterations, provide City Please see new Sheet 1.1. 4 standard drainage plan (a full-sized copy can Please See Delta 1 with revision cloud on also be picked up at the counter). Sheet 1 Cover Sheet for a larger g ( ) ger image of the drainage plan. EXTERIOR WALLS 5 Eaves are not permitted in Group R-3/U occupancies closer than 2' to the property O.K. Does not apply to this project. All eaves line are greater than 2' from property lines November 2, 2020 Residential Plan Review Responses 1627 Harbor Crest Circle, Corona del Mar, Ca 92625 Plan Check 1998-2020 Dimension all eave-to property line distances on plans and section. Projections in sprinklered structures located between 2' and 5' from the property line in non-sprinklered structures shall be at least 1-hour fire- Please see Delta 2 with revision cloud on resistive -rated construction or heavy timber. Sheet 1 6 a. The roof eave fire -resistive Please see Delta 1 with revision cloud on rating shall be permitted to be Sheet 6 reduced to 0 hours on the Please see Delta 2 with revision cloud on underside of the eave if solid fire Sheet 6 for distance of eaves to Property Line blocking is provided from the wall top plate to the underside of the roof sheathing. Table R302.1(1) and (2) Provide Roofing specification (ESR Report or For the specification, please see Delta 1 with 7 other approved listing, including roof revision cloud on Sheet 3. assembly fire classification, on the plans. For the roof pitch, please see Delta 3 with Show roof pitch. revision cloud on Sheet 1. 8 Provide Class B fire classification for new and The existing roof meets all local standards as reconstructed structures. NBMC 15,05.210 a Class A fire retardant roof covering. The following construction components/materials are not included in the Please see Delta 1 with revision cloud on 9 California Building Code. Specify the Sheet 3 for the Evaluation Report No. ESR- listing/labeling agency and listing number for: 2567. reissued December 2019, of the ICC ROOFING. Listing agency to be ANSI Evaluation Service. accredited for type of listing. STRUCTURAL Provide engineered design in accordance Please See Structural Engineer's 10 with 2019 CBC, R301.2.1, R301.2.2, and Calculations and Sheets SGN, S-1, S-2, and ASCE 7-16 SD1 11 Submit structural design/analysis calculations Please See Structural Engineer's for SHEAR WALLS Calculations FRAMING 12 Verify gravity framing meets the maximum Please See Structural Engineer's deflection criteria per Table R301.7 Calculations Corrections - Plan Review Replies Page 2 of 4 Daniel G. MacBeth November 2, 2020 November 2, 2020 Residential Plan Review Responses 1627 Harbor Crest Circle, Corona del Mar, Ca 92625 Plan Check 1998-2020 LATERAL Wind design velocity pressure calculation must consider topographic effects on please See Structural Engineers 13 escarpments, ridges, and hills that meet all of Calculations and Sheets SGN, S-1, S-2, and the conditions of ASCE 7, Section 26.8.1. DI 14 Wind loads for components and cladding Please See Structural Engineer's shall be per ASCE 7, Chapter 30. Calculations and Sheets SGN, S-1, S-2, and SD1 Submit mapped accelerations parameters Ss and S1 and other seismic design parameters using a website interface tool that queries the U.S. Geological Survey (USGS) Seismic Please See Structural Engineer's 15 Design Web Services and retrieves the Calculations and Sheets SGN, S-1, S-2, and seismic design variables in a report format SDI (i.e. ATC Hazards by Location, OSHPD Seismic Design Maps, ASCE 7 Hazard Tool, etc.). For shear walls with openings, provide design and detailing in accordance with R602.10.8. Where required per R301.1.3, provide engineered design to meet the requirements please See Structural Engineer'' s 16 of Force -transfer Shear Walls per AWC Cal Calculations and Sheets SGN, S-2, and SDPWS, Section 4.3.5.2 or as Perforated Shear Walls per AWC SDPWS, Section 4.3.5.3. Provide details for transfer of shear wall 17 holdown forces to foundation for shear walls Does not apply to this project above first floor Holdowns are required for all shear walls with net uplift forces. Use applicable ASCE 7-10 SECTION 12.4.2.1- FACTORS FOR DL for please See Structural Engineer 's 18 earthquake and 0.9DL (strength level) 0.6 DL Calculations and Sheets SGN, S-2, and (ASD LEVEL) for wind for calculation of SD1 forces resisting shear wall overturning. Corrections - Plan Review Replies Page 3 of 4 Daniel G. MacBeth November 2, 2020 November 2, 2020 Residential Plan Review Responses 1627 Harbor Crest Circle, Corona del Mar, Ca 92625 Plan Check 1998-2020 Design structural elements for support of discontinuous lateral force resisting elements using overstrength Do factor in accordance with ASCE 7, Section 12.3.3.3. Reactions at ends of structural elements are required to be transferred to foundation, or until there are no net reactions. Provide details of all please See Structural Engineer's g 19 connections. Calculations and Sheets SGN, S-1, S-2, and a. When designing beams, posts SDI and other discontinuous elements for overstrength factor, include vertical seismic load in Em = Emh ± Ev. Item 1 and 2 in Section 12.4.3. Provide design/analysis of horizontal diaphragms, chords and chord splices: a. Provide design of drag/struts and drag/strut connections. Include calculations for required diaphragm Please See Structural Engineer's 20 nailing at drag/struts (2 rows Calculations and Sheets SGN, S-1, S-2, and diaphragm BN will be required if SD1 diaphragms on each side of drag/strut are loaded to capacity). b. Identify drag/struts on plans and specify drag/strut nailing. Provide grade beam design for continuous Please See Structural Engineer's 21 footings supporting lateral force resisting Calculations and Sheets SGN, S-1, S-2, and elements. SD1 ADDITIONAL CORRECTIONS 22 See red marks on plans for additional comments and clarifications OK ADDITIONAL CORRECTIONS MAY OCCUR 23 AFTER REVIEWING STRUCTURAL OK CALCULATIONS Prepared by Daniel G. MacBeth California State License Number 700795 Corrections - Plan Review Replies Page 4 of 4 Daniel G. MacBeth November 2, 2020 ZIDaniel Garrison MacBeth Design and Build- General Contractor Y State License No. 700795 37 Parkcrest Newport Coast, California 92660 November 2. 2020 Mr. Soon Cho City of Newport Beach Community Development- Building Division 100 Civic Center Drive Newport Beach, California 92658 Re: Residential Plan Review Comments 1627 Harbor Crest Circle, Corona del Mar, Ca. 92625 Plan Check 1998-2020 ITEM CORRECTION RESPONSE GENERAL Obtain plan review approval from the following: 1 a. Building Division Pending b. Planning Division c. Public Works Department Final drawings which will be approved for 2 permit issuance, shall be signed by the Please see title block on each sheet respective design professional (electronic Middle of Sheet - Right Side of sheet signature is acceptable). Write Note on plans: The maximum time to complete 3 construction on a project is limited to Please see Delta 4 with revision cloud on three years from the date of the Sheet 1 (Cover Sheet) permit for all permits issued after August 21, 2019 as required by NBMC Section 15.02.095. For minor drainage alterations, provide City Please see new Sheet 1.1. 4 standard drainage plan (a full-sized copy can Please See Delta 1 with revision cloud on also be picked up at the counter). Sheet 1 (Cover Sheet) for a larger image of the drainage plan. EXTERIOR WALLS 5 Eaves are not permitted in Group R-3/U occupancies closer than 2' to the property O.K. Does not apply to this project. All eaves line are greater than 2' from property lines November 2, 2020 Residential Plan Review Responses 1627 Harbor Crest Circle, Corona del Mar, Ca 92625 Plan Check 1998-2020 Dimension all eave-to property line distances on plans and section. Projections in sprinklered structures located between 2' and 5' from the property line in non-sprinklered structures shall be at least 1-hour fire- Please see Delta 2 with revision cloud on resistive -rated construction or heavy timber. Sheet 1 6 a. The roof eave fire -resistive Please see Delta 1 with revision cloud on rating shall be permitted to be Sheet 6 reduced to 0 hours on the Please see Delta 2 with revision cloud on underside of the eave if solid fire Sheet 6 for distance of eaves to Property Line blocking is provided from the wall top plate to the underside of the roof sheathing. Table R302.1(1) and (2) Provide Roofing specification (ESR Report or For the specification, please see Delta 1 with 7 other approved listing, including roof revision cloud on Sheet 3. assembly fire classification, on the plans. For the roof pitch, please see Delta 3 with Show roof pitch. revision cloud on Sheet 1. 8 Provide Class B fire classification for new and The existing roof meets all local standards as reconstructed structures. NBMC 15.05.210 a Class A fire retardant roof covering. The following construction components/materials are not included in the Please see Delta 1 with revision cloud on 9 California Building Code. Specify the Sheet 3 for the Evaluation Report No. ESR- listing/labeling agency and listing number for: 2567, reissued December 2019, of the ICC ROOFING. Listing agency to be ANSI Evaluation Service. accredited for type of listing. STRUCTURAL Provide engineered design in accordance Please See Structural Engineer's 10 with 2019 CBC, R301.2.1, R301.2.2, and Calculations and Sheets SGN, S-1, S-2, and ASCE 7-16 SDI 11 Submit structural design/analysis calculations Please See Structural Engineer's for SHEAR WALLS Calculations FRAMING 12 Verify gravity framing meets the maximum Please See Structural Engineer's deflection criteria per Table R301.7 Calculations Corrections - Plan Review Replies Page 2 of 4 Daniel G. MacBeth November 2, 2020 November 2, 2020 Residential Plan Review Responses 1627 Harbor Crest Circle, Corona del Mar, Ca 92625 Plan Check 1998-2020 LATERAL Wind design velocity pressure calculation must consider topographic effects on please See Structural Engineer's 13 escarpments, ridges, and hills that meet all of Calculations and Sheets SGN, S-1, S-2, and the conditions of ASCE 7, Section 26.8.1. SDI 14 Wind loads for components and cladding Please See Structural Engineer's shall be per ASCE 7, Chapter 30. Calculations and Sheets SGN, S-1, S-2, and SDI Submit mapped accelerations parameters Ss and S1 and other seismic design parameters using a website interface tool that queries the U.S. Geological Survey (USGS) Seismic Please See Structural Engineer's 15 Design Web Services and retrieves the Calculations and Sheets SGN, S-1, S-2, and seismic design variables in a report format SDI (i.e. ATC Hazards by Location, OSHPD Seismic Design Maps, ASCE 7 Hazard Tool, etc.). For shear walls with openings, provide design and detailing in accordance with R602.10.8. Where required per R301.1.3, provide engineered design to meet the requirements Please See Structural Engineer' s 16 of Force -transfer Shear Walls per AWC Cal Cal Calculations and Sheets SGN, S-2, and SDPWS, Section 4.3.5.2 or as Perforated SDI Shear Walls per AWC SDPWS, Section 4.3.5.3. Provide details for transfer of shear wall 17 holdown forces to foundation for shear walls Does not apply to this project above first floor Holdowns are required for all shear walls with net uplift forces. Use applicable ASCE 7-10 SECTION 12.4.2.1- FACTORS FOR DL for Please See Structural Engineer' s 18 earthquake and 0.9DL (strength level) 0.6 DL Calculations and Sheets SGN, S-2, and (ASD LEVEL) for wind for calculation of SDI forces resisting shear wall overturning. Corrections - Plan Review Replies Page 3 of 4 Daniel G. MacBeth November 2, 2020 November2, 2020 Residential Plan Review Responses 1627 Harbor Crest Circle, Corona del Mar, Ca 92625 Plan Check 1998-2020 Design structural elements for support of discontinuous lateral force resisting elements using overstrength Sao factor in accordance with ASCE 7, Section 12.3.3.3. Reactions at ends of structural elements are required to be transferred to foundation, or until there are no net reactions. Provide details of all please See Structural Engineer's g 19 connections. Calculations and Sheets SGN, S-1, S-2, and a. When designing beams, posts SD1 and other discontinuous elements for overstrength factor, include vertical seismic load in Em = Emh t Ev. Item 1 and 2 in Section 12.4.3. Provide design/analysis of horizontal diaphragms, chords and chord splices: a. Provide design of drag/struts and drag/strut connections. Include calculations for required diaphragm Please See Structural Engineer's 20 nailing at drag/struts (2 rows Calculations and Sheets SGN, S-1, S-2, and diaphragm BN will be required if SD1 diaphragms on each side of drag/strut are loaded to capacity). b. Identify drag/struts on plans and specify drag/strut nailing. Provide grade beam design for continuous Please See Structural Engineer's 21 footings supporting lateral force resisting Calculations and Sheets SGN, S-1, S-2, and elements. SD1 ADDITIONAL CORRECTIONS 22 See red marks on plans for additional comments and clarifications OK ADDITIONAL CORRECTIONS MAY OCCUR 23 AFTER REVIEWING STRUCTURAL OK CALCULATIONS Prepared by Daniel G. MacBeth California State License Number 700795 Corrections - Plan Review Replies Page 4 of 4 Daniel G. MacBeth November 2, 2020