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HomeMy WebLinkAbout172592_1_Corrections.docxRESIDENTIAL PLAN CHECK COMMENTS Planning & Building Agency Building Safety Division 20 Civic Center Plaza P.O. Box 1988 (M-19) Santa Ana, CA 92702 (714) 647-5800 www.santa-ana.org PLAN CHECK NO: PROJECT ADDRESS: PLAN CHECK ENGINEER:TEL:714FAX:714 647-5897 TYPE OF CONSTRUCTION: OCCUPANCY CLASSIFICATION(S): PLAN CHECK DATES: REMARKS/RECHECK ITEMS: APPLICATION INITIAL REVIEW EXPIRATION RECHECKS: 1. PROJECT APPLICANT CONTACT PERSON: 2. 3. TEL: FAX: VALUATION: EMAIL: FLOOD ZONE: Note: Numbers in parenthesis (unless otherwise noted) refer to code sections of the 2010 California Residential Code (CRC); 2010 California Building Code (CBC); CMC = 2010 California Mechanical Code; CPC = 2010 California Plumbing Code; CEC = 2010 California Electrical Code; T = Table; ICC = International Code Council.All items noted on this plan check report must be addressed. If you feel that an item is not applicable to your project, note “N/A” and discuss the reason with the plan checker.Please indicate the sheet number and detail to the right of each correction, or note the number on the plans where the correction is made. Resubmit marked original, calculations and this correction sheet. A separate sheet for response may be used.Resubmit corrected sets of plans.Meetings between the project applicant/designer and the plan reviewer shall be by appointment only. Please call (714) for an appointment.The drawings/information submitted for Building Safety Division review is incomplete. The applicant shall, prior to resubmitting, complete all construction documents to show compliance with the 2010 California Building Standards Code with local amendments and to clearly indicate the scope of work under this building permit application. There may be additional requirements when complete construction drawings and supporting data is submitted for Building Safety Division review. Please see corrections on submitted plans. Red marked set must be returned with revised plans. Plans resubmitted without the red markup set may result in delayed review time and additional plancheck fees. All drawings and supporting documents shall be prepared, stamped, and signed by a California licensed architect or registered professional engineer. (CRC R301.1.3, CBC 107.1 and 107.3.4.1).All persons preparing plans for others shall sign those plans. Business and Professions Code Chapter 3, Division 3, Section 5536.1 (a). The applicant shall obtain clearances/approvals for the following, prior to building permit issuance: -Planning Division approval on the corrected/final set of drawings (647-5804). Previously approved plans should be submitted to expedite the process. -Public Works Agency approval (647-5039). - School District Compliance Certificate; and a copy of the building permit application, signed by the plan check engineer, shall be required by the School District to verify the scope of the work. Delete notes and details that do not apply to this project. Provide a fully dimensioned Site Plan on the drawings and on a separate 8-1/2" x 11" sheet of paper. Provide an Index of drawings on cover sheet.Provide complete project description with detailed description of scope of work.Note on the Drawings: - Number of stories: - Existing building area: - New building area: - Area of existing garage: - Area of new garage: Provide a statement on the title sheet of the plans that this project shall comply with following codes: - 2010 California Residential Code (CRC) - 2010 California Building Code (CBC) - 2010 California Electrical Code (CEC) - 2010 California Mechanical Code (CMC) - 2010 California Plumbing Code (CPC) - 2010 California Green Building Standards Code (CGBS) or CALGreen - 2010 California Energy Code (CEnC) - City of Santa Ana Municipal Code Provide and show on the plans, house street number visible and legible from street. (Minimum 4”High x 1” Wide) CRC R319 Show the North arrow on the plans and centerline of labeled street(s) and alley. Provide existing and proposed contours/spot elevations to indicate general site slope and drainage pattern. (CBC 107) Lots shall be graded to drain surface water away from foundation walls. The grade shall fall a minimum of 6 inches within the first 10 feet. (CRC R401.3)Plans shall be drawn to scale and dimensioned for all new and remodeled areas.List the use of each room or area.Provide wall legend to distinguish between new / existing / demo walls.Provide window and door schedule. Callout sizes and types of openings and if new or existing.Show location of heating equipment on the plans. (CRC R303.8)Indicate detail and section references as to their appropriate location on plan views. (106.3 and 107)Carbon monoxide alarms combined with smoke alarms shall comply with both sections R314 and section R315, all applicable standards, and requirements for listing and approval by the Office of the State Fire Marshal, for smoke alarms.All new construction, interior or exterior alterations, repairs, or additions requiring a permit and having a valuation in excess of $1,000, or when one or more sleeping rooms are added or created, the entire dwelling shall be provided with smoke detectors located as required for a new dwelling. (CRC R314.3) Smoke alarms shall be installed in the following locations: - In each sleeping room. - Outside each separate sleeping area in the immediate vicinity of the bedrooms. - On each additional story of the dwelling, including basements and habitable attics but not including crawl spaces and uninhabitable attics. In dwellings or dwelling units with split levels and without an intervening door between the adjacent levels, a smoke alarm installed on the upper level shall suffice for the adjacent lower level provided that the lower level is less than one full story below the upper level. - When more than one smoke alarm is required to be installed within an individual dwelling unit the alarm devices shall be interconnected in such a manner that the actuation of one alarm will activate all of the alarms in the individual unit.All new construction, Interior or exterior alterations, repairs, or additions requiring a permit and having a valuation in excess of $1,000,, an approved carbon monoxide alarm shall be installed in dwelling units and in sleeping units within which fuel-burning appliances are installed and in dwelling units that have attached garages shall be provided with carbon monoxide alarms (CRC R315) - Carbon monoxide alarms shall only be required in the specific dwelling unit or sleeping unit for which the permit was obtained. - Outside of each separate dwelling unit sleeping area in the immediate vicinity of the bedroom(s). - On every level of a dwelling unit including basements. - Where more than one carbon monoxide alarm is required to be installed within the dwelling unit or within a sleeping unit the alarm shall be interconnected in a manner that activation of one alarm shall activate all of the alarms in the individual unit. Exception: Interconnection is not required in existing dwelling units where repairs do not result in the removal of wall and ceiling finishes, there is no access by means of attic, basement or crawl space, and no previous method for interconnection existed.For an FAU located in the attic provide a minimum access of 22 x 30 inches, a 24-inch wide walkway, a 30-inch deep work platform, and electric light outlet adjacent to the furnace and switched by the opening. (CMC 904.11 & 305)Shower compartments and walls above bathtubs with shower heads installed shall be finished with a smooth, nonabsorbent surface to a height of not less than 72” above the floor. (CRC R307.2)For each enclosed attic space with a maximum vertical height greater than 30 inches, provide a minimum of 22 x 30 inches attic access. (CRC R807.1) Interior spaces intended for human occupancy shall be provided with heating facilities capable of maintaining a room temperature of 68 degrees Fahrenheit at a point 3 feet above the floor and 2 feet from exterior walls in all habitable rooms. (CRC R303.8)Where openable windows are not provided provide a mechanical ventilation system capable of producing 0.35 air change per hour in the room. (CRC R303.1 (1)) Specify window size and type (how it opens) for both new and existing windows at rooms adjacent to new addition so that minimum light and ventilation requirements may be verified. Minimum window area shall be 8 % of the floor area square and 50% openable. (CRC R303.1) Bathroom or service room minimum window areas shall not be less than 3 square feet and 50% openable or, provide a mechanical ventilation system exhausted to the outside capable of providing 50 cubic feet per minute for intermittent ventilation 25 cubic feet per minute for continuous ventilation. (CRC R303.3) The minimum net area of under-floor space ventilation shall not be less than the floor area/150. (CRC R408.1) Access shall be provided to all under-floor spaces. The floor access shall be a minimum 18” by 24” and openings through a perimeter wall shall be not less than 16” by 24”. (CRC R408.4) Bathrooms, laundry rooms, water closet compartments and similar rooms shall be mechanically ventilated in accordance with the CMC.Specify that bars, grilles or similar devices if placed over any sleeping room door or window shall be releasable and removable from the inside without the use of a key, tool, or any special knowledge or effort. (CRC R310.4) Revise plans to indicate that a landing, with a width not less than the width of door and length in the direction of travel of not less than 36 inches, will be provided on each side of doors. The elevation of landing shall not exceed 1 ½ inch difference than the threshold of the doorway (7 3/4 inch if door does not swing over the landing or steps) in each direction. Specify that the maximum slope of any landing shall not exceed ¼ inch per foot. (CRC R311.3) Note on plan “Each pane of safety glazing installed in hazardous locations shall be identified (acid etched, sand blasted, ceramic fired, etc) by a manufacturer’s designation, the manufacturer or installer and the safety glazing standard which it complies.” Multi-pane assemblies shall be identified per CRC R308.1. (CRC R308.1) Glazing in swinging, sliding, and bifold doors 9 square feet or less shall be a minimum category classification of I (CPSC 16 CFR 1201) and II (CPSC 16 CFR 1201) when more than 9 square feet or sliding. (Table R308.3.1 (1), R308.3 (1)) Glazing in door and enclosures for hot tubs, whirlpools, saunas, steam rooms, bathrooms, showers less than 5’ above the standing surface shall have a minimum category classification of II (CPSC 16 CFR 1201). (CRC TR308.3.1 (1) & 308.4(5)) Glazing in walls and fences enclosing indoor and outdoor swimming pools, hot tubs and spas when the bottom edge of the glazing is less than 5’ above a walking surface and it is within 5’ horizontally of the water’s edge shall have a minimum category classification of I (CPSC 16 CFR 1201) or B (ANSI Z97.1) when 9 square feet or less in area and II (CPSC 16 CFR 1201) or A (ANSI Z97.1) when more than 9 square feet.. (CRC 308.4(6) & T R308.4.1 (1) & (2)) Private garage shall be separated from the residence and its attic by a minimum ½ -in gypsum board applied to the garage side. Garages beneath habitable rooms shall be separated from all habitable rooms above by not less than a 5/8-in type X gypsum board. (CRC R302.6) Provide the minimum 1-3/8 inch solid-core wood door, a solid or honeycomb core steel door not less than 1-3/8 inch thick, or a 20-minute fire rated door between the garage and residence unless both are protected by an automatic residential fire sprinkler system. (CRC R302.5.1) Doors between the garage and private residence shall be self-closing and self-latching. (CRC R302.5.1) Provide a complete full-height section and details of stairway showing: (CRC R311.7) - Maximum rise of 7¾ inches and minimum run (tread) of 10 inches. - Minimum width of 36 inches. - Minimum headroom of 6 feet 8 inches. - Framing (stringer, landing, etc.) size, bracing, connections, footings. - Stairways positively anchored to the primary structure without using toe nails or nails subject to withdrawal. - Enclosed usable space under a stairway requires ½ inch gypsum board on the enclosed side. (CRC R302.7)Stairways within dwelling units and exterior stairways serving a dwelling unit shall have an illumination level of not less than 1 foot-candle measured at the center of the treads and landings. (CRC R303.6)The minimum clear width of stairways is clear 36” above the handrail. Handrails shall not project more than 4.5” on either side of the stairway and the minimum clear width of the stairway at and below the handrail height shall be 31.5” and 27” when installed on one side and both sides, respectively. (CRC R311.7.1) Provide a section of stairway showing a maximum rise of 7.75 inches and a minimum run width of 10 inches for straight stairways. The maximum difference between the stair risers and treads shall not be greater than 3/8”. (CRC R311.7.4) Provide details of the winding tread walk line 12” clear from the inside turn. (CRC R311.7.3)Winder treads shall have a minimum tread depth of 10 inches measured between the vertical planes of the foremost projection of adjacent treads at the intersections with the walkline.(CRC R311.7.4)Winder treads shall have a minimum tread depth of 6 inches at any point within the clear width of the stair. (CRC R311.7.4)Within any flight of stairs, the largest winder tread depth at the walkline shall not exceed the smallest winder tread by more than 3/8 inch. (CRC R311.7.4)Provide a stairway cross-section showing minimum clear headroom of 6'-8". (CRC R311.3.2) Handrails are required on at least one side of a continuous run of treads or flight with four or more risers. (CRC R311.7.7) The top of handrails shall be placed not less than 34 inches nor more than 38 inches above the nosing of the treads. A clear space of 1-1/2 inches is required between the handrail and the wall.Where guards are used as handrails at the sides of stairs they shall have a height between 34-38 inches. (CRC R312.2.7) Provide dimensioned details of handrail grips showing a minimum edges radius of 0.01 inch and shall have a one of the following: - Circular cross sectional diameter shall be between 1 ¼” and 2”. Non-circular handrails shall have a perimeter dimension between 4 and 6 ¼ inches with a maximum cross section of dimension of 2 ¼ inches. (CRC R311.7.7.3 (1)) - Handrails with a perimeter dimension > 6 ¼ inches shall have a graspable finger on both sides of the profile between 1 1/4” to 2 ¾” beginning within ¾” from the top of the profile and achieve a minimum 5/16” depth within 7/8” below the widest profile point and shall continue a minimum 3/8” to a level not less than 1¾” below the tallest portion of the profile. (CRC R311.7.7.3 (2)) Handrails shall be continuous except at a turn they are permitted to be interrupted by a newel post and have a minimum clear distance between the wall and handrail grip of 1 ½ inches. (CRC R311.7.7.2) Provide a 42 inch high guardrail at balconies, landings and decks located more than 30” vertically to the floor or grade below. (CRC R312.1 & R312.2) Provide detail of the guard showing that a 4” diameter sphere may not pass through any opening in the guard. (CRC R312.3)Where guards are used as handrails, provide a detail of the guard (including a handrail on open sides of the stairway) showing that a 4 3/4” diameter sphere may not pass through the open space between intermediate rails and pickets. The open space between the riser tread and bottom rail of the guard shall not allow a 6-inch diameter sphere to pass through. (CRC R312.3) Provide cross ventilation for attic and each enclosed rafter space as specified in CRC Section R806. Callout attic vent locations, sizes and types on plans. Provide attic ventilation calculation to show minimum ventilation is provided. (CRC R806.2)The total net free ventilating area shall not be less than 1/150or 1/300 when a Class I or II vapor barrier is installed on the warm-in-winter side of the ceiling. (CRC R806.2) Provide detail at eave vents to show a minimum 1” space between the insulation and bottom of the roof sheathing. (CRC R806.3) Provide details of roof drain and overflow. Overflow drains shall have separate independent piping and have an inlet flow line locate 2” above the low point of the roof. Overflow scuppers shall have an area 3 times the roof drain, a minimum opening height of 4”, and have an inlet flow line located 2” above the low point of the roof. (CRC R903.4.1) Submit an interior finish schedule (specify fasteners, fastener spacing, coating thickness, number of coats, etc) complying with the requirements of CRC R702. Show exterior wall construction assembly. A minimum of one layer of No. 15 asphalt felt, free from holes and breaks, complying with ASTM D 226 for Type 1 felt shall be applied over studs of all exterior walls. Specify that two layers of Grade D or 60 minute Grade D paper shall be applied over all wood base sheathing. (CRC R703.2) Specify a minimum 0.019” (No. 26 galvanized sheet gage) corrosion-resistant or plastic weep screed located below foundation plate line and 4 inches above grade on all exterior stud walls or 2-inches above paved areas. (CRC R703.6.2.1) Minimum 3000 psi concrete is required for basement and foundation walls in SDC D0, D1 and D2. (CRC R404.1.2.3.1)Provide continuous Second Floor plywood diaphragm to exterior shear walls of First Floor, when Second Floor exterior shear walls are recessed. Clearly show on the plans how second floor lateral loads are transferred to first floor shear walls.Specify size, spacing, ICBO number and manufacturer of power driven pins (not permitted on perimeter footings). (2308.6) Provide a weep screed for stucco at the foundation plate line a minimum of 4 inches above the earth or 2 inches above paved areas. (2512.1.2) Show location of underfloor access crawl hole (18 x 24 inches). (CRC R408.4) Cross reference all calculations for joists, beams, shear walls, etc., to framing/floor plans. Provide structural calculations and drawings, stamped and signed by a California licensed architect or registered Civil Engineer for: - Stairway(s). - Handrail(s)/Guard(s). - Guard(s). Post-beam connections must be detailed on the drawings ensuring against uplift and lateral displacement (2304.9.7) Revise structural calculations to show compliance with AF&PA SDPWS T4.3.4 for shear wall ratio of 2:1. For design to resist seismic forces, shear wall height-width ratios greater than 2:1, but not exceeding 3½:1, are permitted provided the allowable shear values in T4.3.4 are multiplied by 2bs/h. Detail the shear transfer connections which transfer lateral forces from horizontal diaphragms through intermediate elements and shear walls to the foundation. (1603) The City has encountered a large number of inspection problems arising from a lack of specific framing details. The following listed items are required to be shown on the plans (CBC 107.1): - All plumbing walls are to be framed with a minimum of 6" studs. - Double walls used as plumbing walls are to be a minimum of 8" wide and no "flat" studs permitted. Staggered studs are acceptable. - Permissible notching and boring of joists are to be shown on the plans and shall not exceed CBC Section 2308.10.4.2 allowances. - Notching of exterior and bearing/nonbearing walls shall not exceed 25%/40% respectively. Bored holes in bearing/nonbearing walls shall not exceed 40%/60% respectively. In no case shall the edge of the bored hole be nearer than 5/8 inch to the edge of the stud. (2308.9.10 and 2308.9.11) - Header and trimmer details for doors and windows are to be shown with full length trimmers, specifying the size of the header and trimmer. (2308.10.4.3) - All framed buildings which are required to be designed by an engineer or architect must be signed prior to submission into plan check - All stud bearing walls are required to comply with the minimum requirements for load bearing walls. Show location(s) and provide typical construction details. (2308.9) - Other methods may be used provided a satisfactory engineering and/or architectural design is submitted.Note on plans that “Field-cutting ends, notches and drilled holes of preservative-treated wood shall be treated in the field in accordance with AWPA M4”. (CRC R317-1.1) Clearly identify all design assumptions & load criteria on the plans. As a minimum: - Dead Loads of roof/ceiling, floors, exterior/interior walls (R301.2.2.2.1); - Live Loads for roof, attics with limited storage, attics without storage, habitable attics and attics served with fixed stairs, floors, and balconies/decks, and stairs per Tables R301.5 & R301.6; - Wind Loads per Section R301.2.1and wind exposures per Section R301.2.1.5; - Seismic Loads per Section R301.2.2; - Local Jurisdiction Design Criteria per Table R301.2(1)All new windows and doors shall have a label indicating the U-factor and SHGU. Comply with energy documentation requirements.Indicate mechanical equipment on plans, specify the make, model, capacities, and minimum efficiencies for both heating and cooling, and provide evidence of 2008 CESC certification. (2008 CESC 112 & 150(h)) Indicate water heater insulation requirements on the CF-1R form. Minimum external insulation is R-12 or internal insulation of R-16. (2008 CESC 150(j)) Provide anchorage details for FAU units. (CMC 303.4) Provide combustion air for a water heater and/or an FAU located within 12 inches of top and bottom of the compartment. (CMC 701.10(4&6) & 701.3) Provide a 3-inch clearance on all sides, back and top and 6 inches in front of the furnace and water heater. (CMC 904.2) For an FAU located in the attic provide a minimum access of 22 x 30 inches, a 24-inch wide walkway, a 30-inch deep work platform, and electric light outlet adjacent to the furnace and switched by the opening. (CMC 904.11 & 305) Show 22 x 30 inch clear access to the furnace. Provide a maximum of 20 feet from opening to furnace. (CMC 904) Revise plans to indicate how separate combustion air is provided for FAU located in attic. (CMC 701.3) Show exhaust hood and exhaust vent above cooking appliances at the kitchen. (CMC 504.2) Show how the dryer will be vented to the outside air. (CMC 504.3) A dryer compartment shall be provided with a minimum opening of 100 square inches for makeup air in the door or by other approved means. (CMC 504.3.2) Note on the plans: "An approved backwater valve is required for drainage piping serving fixtures located below the elevation of the next upstream manhole cover. Fixtures above such elevation shall not discharge through the backwater valve. Clean outs for drains that pass through a back water valve shall be clearly identified with a permanent label stating “backwater valve downstream." (CPC 710.1) Provide a minimum of 18 inches high platform for water heater and FAU or other gas appliance located in the garage. (CMC 307.1) Provide protection from auto impact for water heaters located in the garage. (CMC 307) Provide water heater anchor straps within the upper and lower 1/3. (CPC 508.2) Specify that Ground Circuit Interrupter (GFI) outlets shall be provided in bathrooms, garages, basements, crawl spaces, outside, and at all kitchen counters and islands. (CEC 210.8(A)) Provide an electrical floor plan showing location of receptacle and lighting outlets. (CEC 210.52(A-H) & 210.70) Provide receptacles within 2 feet of kitchen sink and at 4 feet on-center at counters (12” or more in width) and islands. (CEC 210.52(C)) Provide at least one outlet for island or peninsular counter space. (CEC 210.52(C) 2&3) Provide panel schedule and load calculations in accordance with CEC Article 220. Revise electrical plans to show receptacle outlets so that no point along the wall is further than 6 feet from an outlet. (CEC 210.52(A)) All power and lighting outlets in family rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, hallways and similar areas are to be protected by a “combination AFCI breaker”. Kitchens, bathrooms, and basements are exempt from this requirement. (CEC 210.12(B)) Bathrooms and powder rooms are required to have at least one GFI receptacle outlet within 36 inches of each lavatory. (CEC 210.52(D)) At least one outlet to be installed at the front and rear of each dwelling unit. (CEC 210.52(E)) Hallways longer than 10 feet are required to have at least one receptacle outlet. (CEC 210.52(H)) Lighting outlets are required in habitable rooms, bathroom, hallways, garages, and at exterior doors. Revise plans to show compliance. (CEC 210.70(A)) Revise plans to show locations of light switches at both top and bottom of stairways. (CEC 210.70(A)) Provide an exterior light at all exterior doors switched by the door. (CEC 210.70(A)) Any fixed appliance such as disposal, dishwasher, clothes washer, dryer, built-in heaters, or any other fixed appliance with 1/4 H.P. motor or larger, shall be on a separate #12 AWG wire branch circuit. Each dwelling unit shall have installed therein an individual disposal circuit supplied with minimum #12 AWG wire and a 15 AMP indicating-type switch. (CEC 210.23 & 220) Please see additional corrections on plan and calculation. Additional correction may follow when revised plan resubmitted.