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HomeMy WebLinkAbout155484_1_Corrections.docxTENANT IMPROVEMENT PLAN CHECK COMMENTS 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: APPLICABLE CODE: 2007 CALIFORNIA BUILDING CODE (CBC) WITH CITY OF SANTA ANA AMENDMENTS 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.In addition to the 2007 California Building Code, this project is subject to the provisions of the 2007 California Historical Building Code.Please return marked up set of drawings with corrections.This review does not include mechanical, plumbing, fire sprinkler system, or electrical work. Separate plans, applications, fees, plan checks, and permits are required for mechanical, plumbing, fire sprinkler systems, and electrical work. Call 647-5800 for information.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. - Fire Department approval on the corrected/final sets of drawings (647-5839 or 647-5700) - Police Department approval on the corrected/final set of drawings (647-5840) - Public Works Agency approval (647-5039) - School District Compliance Certificate; 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 work. Refer to the attached handout. - Proof of Worker’s Compensation Insurance shall be required at the time of permit issuanceProvide the following/ show on the plans: - Provide a fully dimensioned site plan on each set of plans. - Disabled access compliance must be shown on the site plan. - Complete legal description - Assessor’s Parcel Number - Project Address/Suite/Room Numbers; Building Numbers - Occupancy Classification(E) - Type of Construction (Type III-A, SPK) - Area tabulation justifying floor area(s) of building(s) due to additional floor area (CBC Sections 503, 505, 506, 507, and 508 and CBC Table 503) - Fire Sprinkler System (State purpose of sprinkler system, for example, area increase under CBC Section.Indicate lot Merger No. 2007-7 on the drawings for removal of interior property line. Please see attached copy.Refer to as built drawings (Copy attached) and revise drawings to show all modifications to existing building as new work. Compliance with 2007 California Building Code is required. Items below to be discussed over the counter for specific locations.1ST FLOORThere are several fire doors that are modified and do not comply with corridor fire rating of 20 minutes as well as other stairway and area separation wall on the 1st floor.The existing door next to roll up door does not have clear 6’8”.Stairway doors are required to be 11/2 HR and they are modified to less fire rating. Remove sign that reads not open to student.Remove unpermitted storage area under the stairway and repair handrail extension for compliance.A new corridor is added adjacent to existing/old book store and compliance with fire rating and limiting the dead end is required.There are total of 4 doors that are removed from existing corridor are and I HR fire rating of new walls is required.Several doors in existing 1 HR corridor area is not in compliance with 20 minute fire rating.Existing drinking fountains are missing railing. Please refer to attached handout.Once the existing ramp is removed the floor of 1st level is required to be leveled due to portion of floor is dropped to accommodate the existing ramp, some modification may be required. Provide construction detail/s to insure compliance.Existing stairways are missing tread warnings/marking.2nd FLOORa.Modified door to class room #2 requires 20 minute fire rated door and 1HR rated wall.b. Stooge room is not permitted in the stairway enclosure.c. Existing stairways requires an 11/2 fire rated door.d. Existing door located in the corridor area near class room # 2 is removed. Reinstall 11/2 fire rated door. e. Existing Lab located on the 2nd floor requires compliance with section of CBC.Correct building addresses for two building as marked on the drawings.Label and note hourly fire rating of: New corridor walls andall corridors, new or existing.CBC Section 1020.1. Exit enclosures shall have a fire-resistance rating of not less than 2 hours where connecting four stories or more and not less than 1 hour where connecting less than four stories.Indicate on the drawings use of proposed area and age of occupants.Provide on the drawings interior wall and ceiling finish schedule showing compliance with CBC Section 803 and CBC Table 803.5.Note on the floor plan the use and occupancy load of each room and/or area. Relate each use to a CBC Table item. Note occupant loads which are the greater number based on CBC Section 1004 and Table 1004.1.1 or the actual number of occupants.Occupant load is calculated as follows: Classroom 56 Persons TRAVEL DISTANCECBC Section 1016.1. Travel distance limitations. Exits shall be so located on each story such that the maximum length of exit access travel, measured from the most remote point within a story to the entrance to an exit along the natural and unobstructed path of egress travel, shall not exceed the distances given in Table 1016.1.Table 1016.1 Exit Access Travel Distance: (Show travel distance compliance on the drawings) OCCUPANCYWITHOUT SPRINKLERWITH SPRINKLERSYSTEM (feet)SYSTEM (feet) E200250b CORRIDORSCorridors shall be fire-resistance rated in accordance with Table 1017.1. The corridor walls required to be fire-resistance rated shall comply with Section 708 for fire partitions.Table 1017.1 Corridor Fire Resistance Rating: OccupancyOccupant LoadRequired Fire-Resistance Rating (Hours)Served By CorridorWithout sprinklerWith sprinklersystemsystem EGreater than 1011CBC Section 1017.2, Corridor width. The minimum corridor width shall be as determined in Section 1005.1, but not less than 44”, with the following exceptions: - 72” - In Group E with a corridor having a required capacity of 100 or more. Sow compliance on the drawings.CBC Section 1017.4.1, Corridor ceiling. Use of the space between the corridor ceiling and the floor or roof structure above as a return air plenum is not permitted. See CBC Section 1017.4 for exceptions.CBC Section 1017.4, Air movement in corridors. Corridors shall not serve as supply, return, exhaust, relief or ventilation air ducts when required to be fire-resistive rated in accordance with Table 1017.1.Provide a complete architectural section of 1-HR. corridor detailing fire resistive rated construction of the walls and ceilings. Detail all duct and other penetrations CBC Sections 708.4, 1017.1, 715.1, Table 715.4 & 716.5.4.Provide typical complete section view through one-hour corridor(s) showing compliance with CBC Sections 1017 and 708: - Size, spacing, and material of framing members. Note gauge and ICC number and installation/construction requirements for metal framing members. - Method of attaching framing to the building structure. Compliance shall be shown with CBC Section 1607.13 for lateral support of the walls. Do not support top of walls to suspended ceiling system unless calculations and drawings prepared by a registered engineer are submitted for review. Submit structural engineering calculations for walls in rooms with a floor to building structure above height greater than 14’. - Sheathing material and details of attachment. Note type, size, and spacing of fasteners. - Height of partition, suspended ceiling, structure above. - Reference each wall and ceiling fire-resistive assembly to a CBC Chapter 7 Table and item number. - Fire blocks and draft stops in combustible construction in accordance with CBC Section 717. Show location(s) and provide typical construction details. - Fire/smoke damper locations, installation requirements, and required access doors. Refer to CBC Section 716 and Mechanical Code Section 606.Plans shall indicate how required structural and fire resistive integrity will be maintained where a penetration will be made for electrical, mechanical, plumbing and communication conduits, pipes and similar systems. CBC Section 106.1.1 and CBC Chapter 7. Note on the plans the ICC Research Report number, U.L. number, State Fire Marshal number, or approval number of another agency accepted by the City of Santa Ana.CBC Section 715.5.7.2. Where corridor walls are required to be one-hour fire-resistive construction by Section 1017, windows shall be protected by fixed glazing listed and labeled for a fire-protection rating of at least three-fourths hour in accordance with Section 715.5. The total area of windows in any portion of an interior corridor shall not exceed 25 percent of the area of the corridor wall of the room which it is separating from the corridor.CBC Section 715.4. When corridor walls are required to be of one-hour fire-resistive construction by Section 1017, every interior door opening shall be protected by a tight-fitting smoke-and-draft-control assembly having a fire-protection rating of not less than 20 minutes. Viewport in 20-minute rated door limited to 1” in diameter. Said doors shall not have louvers. The door and frame shall bear an approved label or other identification showing the rating, thereof, followed by the letter “s,” the name of the manufacturer, and the identification of the service conducting the inspection of materials and workmanship at the factory during fabrication and assembly, in accordance with NFPA 80 and UL 1784. Doors shall be maintained self-closing or shall be automatic closing by actuation of a smoke detector in accordance with Section 715.4.7. Smoke-and-draft-control door assemblies shall be provided with a gasket so installed as to provide a seal where the door meets the stop on both sides and across the top.Include the following notes with typical one-hour corridor section view: - Interior openings for other than doors or ducts shall be protected by fixed glazing listed and labeled for a fire protection rating of at least three-fourths hour in accordance with CBC Section 715.5. - Penetrations in fire-resistive walls shall comply with CBC Sections 715 and 716. - Cabinets such as recessed electrical panels, fire hose cabinets, and recess fire extinguisher cabinets constructed of steel are permitted, provided that the openings in the fire rated corridor are sealed with approved sealant material to prevent the passages of smoke. - Other cabinets should be installed or recessed so that there is no reduction in the fire rating of the wall, or opening which would allow smoke to pass. This would mean that the cabinet must be surrounded with material which provides the equivalent of one-hour fire resistance.CBC Section 1024.5.1. Doors, when fully opened, shall not reduce the required width by more than 7” in the corridor area. Doors in any position shall not reduce the required width by more than one-half. CBC Section 1017.3, Dead ends. Where more than one exit or exit access doorway is required, the exit access shall be arranged such that there are no dead ends in corridors more than 20’ in length. Except: - In occupancies in Groups B where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1, the length of dead-end corridors shall not exceed 50’.Provide on the drawings a complete door schedule, showing: - Hardware complying with exiting and disabled accessibility requirements (CBC Sections 1008.1.8 and 1133B.2.5) - Compliance with limitation of viewport size (CBC Section 715.4.3 Exception 1) - Fire-rating of door assembly complying with CBC Section 715 Opening Protection - Note smoke seal (in accordance with CBC Section 715.4.3, required for doors forming part of the one-hour exit corridor envelope) - CBC Section 1008.1.8, Note on drawing: “Exit doors shall be openable from the inside without the use of a key or any special knowledge or effort.”CBC Section 1008.1.2, Exit doors shall swing in the direction of exit travel when serving an occupant load of 50 or more.Panic hardware shall comply with CBC Section 1008.1.9. Panic hardware shall be provided as required by CBC Section(s): - E Occupancy with an occupant count > 50 - By the Fire Department All doors require a level floor landing on each side in accordance with CBC Sections 1008.1.4, 1008.1.5, 1008.1.6, and 1133B.2.4 and CBC Figures 11B-26A and 11B-26B. Provide typical door threshold details and details of change in floor covering material.The City of Santa Ana requires concrete exterior door landings. (New entry door) DOORS (ACCESSIBILITY)The width of the level area on the side to which the door swings shall extend 24” past the strike edge of the door for exterior doors and 18” past the edge for interior doors. CBC Section  1126A.3.2.Provide specifications for doors hardware (i.e., lever type, push-pull panic, etc) to comply with disabled access requirements. CBC Section 1133B.2.5.2.The floor or landing at each side of an exit door shall be level and having a length in the direction of the door swing of at least 60” and the length opposite the direction of door swing of 44” as measured at right angles to the plane of the door in the closed position. CBC Section 1126A.3.1.CBC Sections 1133B.2.4 and 1133B.2.4.1, Regardless of the occupant load, there shall be a floor or landing on each side of a door. The floor or landing shall be not more than ½” lower than the threshold of the doorway. Change in level between ¼” and ½” shall be beveled with a slope no greater than 1:2. Change in level greater than ½” shall be accomplished by means of a ramp. Provide detailed sections and plan views showing compliance at all doorways requiring accessibility.All entrances and exterior ground-floor exit doors to buildings and facilities shall be made accessible to persons with disabilities. Doorways shall have a minimum clear opening of 32” with the door open 90 degrees, measure between the face of the door and the opposite stop. Doorways require dimensioning on the plans to insure compliance with the required landing area/maneuvering clearances at doors in accordance with CBC Section 1133B.2.4.2 and CBC Figures 11B-26A and 11B-26B.CBC Section 1133B.1.1.3, Recessed doormats shall be adequately anchored to prevent interference with wheelchair traffic.CBC Section 1133B.2.5.1, Hand-activated door opening hardware shall be centered between 30” and 44” above the floor. Latching and locking doors that are hand activated and which are in a path of travel shall be operable with a single effort by lever-type hardware, by panic bars, push-pull activating bars, or other hardware designed to provide passage without requiring the ability to grasp the opening hardware. Locked exit doors shall operate as above in egress direction.CBC Section 1133B.2.5, Note on the drawings: “Maximum effort to operate doors shall not exceed 5 pounds for exterior doors and interior doors, such pull or push effort being applied at right angles to hinged doors and at the center place of sliding or folding doors. Compensating devices or automatic door operators may be utilized to meet the above standards. When fire doors are required, the maximum effort to operate the door may be increased to the minimum allowable by the appropriate administrative authority, not to exceed 15 pounds.CBC Section 1127B.3, All building entrances that are accessible to and usable by persons with disabilities shall be identified with a least one standard sign and with an additional directional signs, as required, to be visible to persons along approaching pedestrian ways.CBC Section 1133B.2.6, Required the bottom 10” of all doors except automatic and sliding shall have a smooth uninterrupted surface to allow the door to be opened by a wheelchair footrest without creating a trap or hazardous condition.Refer to the attached entrance/door handout. Revise the drawings to show compliance. EXIT SIGNSExit illumination and exit sign requirements in accordance with CBC Section 1011 shall be shown on the drawings. Be specific as to the type of exit signs to be installed.CBC Section 1011.1. Provide a directional exit sign at changes in exiting direction.CBC Section 1011, Requires exit signs to be readily visible from any direction of approach. No point shall be more than 100’ from the nearest visible exit sign. Revise the drawings to show compliance.CBC Section 1006, Requires means of egress from all occupied parts of the building be provided with at least 1’ candle of light at floor level. Show compliance on the drawings.If emergency warning systems are required, they shall activate a means of warning the hearing impaired. Emergency warning systems, as part of the fire-protective signaling system, shall be designed and installed in accordance with NFPA 72 as amended in CBC Chapter 35. CBC Section 1007.9, check with the Fire Department when, how, and where applicable.Tactile exit signs shall be required at the following locations: - Each grade-level exterior exit door shall be identified by a tactile exit with the word “EXIT.” - Each exit door that leads directly to a grade-level exterior exit by means of a stairway or ramp shall be identified by a tactile exit sign with the following words as appropriate:“EXIT STAIR DOWN”“EXIT RAMP DOWN”“EXIT STAIR UP”“EXIT RAMP UP” - Each exit door that leads directly to a grade-level exterior exit by means of an exit enclosure, or an exit passageway, shall be identified by a tactile exit sign with the words “EXIT ROUTE.” - Each exit access door from an interior room or area to a corridor or hallway, which is required to have a visual exit sign, shall be identified by a tactile exit sign with the words “EXIT ROUTE.” - Each exit door through a horizontal exit shall be identified by a sign with the words “TO EXIT.”For the purpose of Section 1011.3, the term “tactile exit signs” shall mean those required signs that comply with Section 1117B.5.1, Item 1. BUILDING ACCESSIBILITYIt is the project designer’s/property owner’s responsibility to show compliance on the drawings with all applicable Federal and State Accessibility Standards.Drawings submitted to the Building Division for review shall provide the following information to insure compliance with CBC Section 1134B/Chapter 11B: - An accessible entrance - An accessible route to the altered area - Accessible restrooms - Accessible telephone (if any) - Accessible drinking fountains, and Please refer to attached accessibility handout for compliance. Provide a copy on the drawings if needed.CBC Sections 1133B.7.1 and 1133B.7.5. Sidewalks accommodating the disabled must be at least forty-eight inches (48”) wide and at least sixty inches (60”) where door swings over walk.CBC Sections 1102B, 1124B.1 and 1127B.1. Provide a continuous walking surface from each exit door to public way.Walks and sidewalks shall have a continuous common surface, not interrupted by steps or abrupt changes in level. Surfaces shall be slip resistant. Refer to CBC Sections1124B and 1133B.7 for additional requirements including maximum slopes (cross slopes and along the path of travel) allowed, grading and level areas.Walks and sidewalks shall not have cross slopes exceeding ¼” per foot (2% slope). Slopes along the path of travel shall not exceed 5% unless designed as a pedestrian ramp in accordance with CBC Section1133B.5. For curb ramps refer to CBC Section 1127B.5.CBC Section 1133B.7.2. Walks, sidewalks, and pedestrian ways shall be free of gratings whenever possible. For gratings located in the surface of any of these areas, grid openings in gratings shall be limited to ½” in the direction of traffic flow.If a walk crosses or adjoins a vehicular way, and the walking surfaces are not separated by curbs, railings or other elements between the pedestrian areas and vehicular areas, the boundary between the areas shall be defined by a continuous detectable warning which is 36” wide, complying with the CBC Section 1133B.8.5. Detectable Warning Product Approval. Only approved Division of the State Architect, Access Compliance (DSA/AC) approved detectable warning products and directional surfaces shall be installed in accordance with CBC Section 1133B.8.5.Provide parking space identification in accordance with CBC Section 1129B.4 including: - Each parking space reserved for persons with physical disabilities shall be identified by a reflecting sign permanently posted immediately adjacent to and visible from each stall or space, consisting of a profile view of a wheelchair with occupant in white on dark blue background. The sign shall not be smaller than 70 square inches in area and, when in path of travel, shall be posted at a minimum height of 80” from the bottom of the sign to the parking space finished grade and shall be un-obscured by a parked vehicle. Signs may also be centered on the wall at the interior end of the parking space. An additional sign or additional language below the symbol of accessibility shall state “Minimum Fine $250.” Spaces complying with CBC Section 1129B.3, Item 2 shall have an additional sign stating “Van Accessible” mounted below the symbol of accessibility. - An additional sign shall also be posted in a conspicuous place at each entrance to off-street parking facilities, or immediately adjacent to and visible from each stall or space. The sign shall not be less than 17” by 22” in size with lettering not less than 1” in height, with clearly and conspicuously states the following:Unauthorized vehicles parked in designated accessible spaces not displaying distinguishing placards or license plates issued for persons with disabilities may be towed away at owner’s expense. Towed vehicles may be reclaimed by telephoning the Santa Ana Police Department at (714) 245-8665. CVC 22658a. - Provide assurance on the drawings that existing signage language reflects the paragraph above. SANITARY FACILITIESPlumbing facilities shall be provided in accordance with the California Plumbing Code (CPC) Section 412.0 and CPC Table 4-1. Show justification due to additional of 56 occupant load.Provide completely dimensioned floor plans, elevations and sections of sanitary facility insuring wheelchair clearances complying with CBC Section 1115B and the California Plumbing Code.CBC Sections 1115B and 1210. Sanitation facility toilet room floors shall have a smooth, hard, non-absorbent surface such as Portland cement, concrete, ceramic tile or other approved material which extends upward onto the walls at least 6”. Walls within 2’ of the front and sides of urinals and water closets shall be similarly finished to a height of 4’.Drinking fountains serving the area of new work shall be accessible. CBC Section 1115B.4.6 and California Plumbing Code Section 406.5.CBC Section 1117.B.2. Public telephones serving the area of new work shall be accessible. LIGHT AND VENTILATIONShow/note ventilation requirements on the plans in accordance with the CBC and California Mechanical Code (CMC) requirements for each type of use. Note on drawings: - Provide mechanical ventilation for each area/room in accordance with the 2007 California Mechanical Code.Show/note LIGHTING requirements on the plans in accordance with CBC and California Electrical Code requirements for each type of use. Note on drawings: - CBC Section 1205.3, Artificial light. Artificial light shall be provided that is adequate to provide an average illumination of 10’candles (107 lux) over the area of the room at a height of 30”above the floor level. CEILING SYSTEMProvide a complete suspended ceiling system plan and section detail showing the following: - Vertical supports - Seismic wires - Seismic strut/Compression strut - Perimeter wires - Separate fixture wires for lights and mechanical devices - ICC Research Report number for the suspended ceilingNote ICC Research Report Number on the drawings for the suspended ceiling system. (ICC Report Number 1308) in lieu of compliance with structural calculations.Provide complete structural calculations and drawings for suspended ceiling systems showing compliance with CBC Sections 711.3.1, 803.9, 1613, and 1705 (special inspections) and ASTM C635 and ASTM C636.The reflected ceiling plan and details must show compliance with CBC Sections 711.3.1, 803, 1613, and 1705 (special inspection) for suspended ceiling systems. STRUCTURALCBC Sections 1805.9 and 1904 and CBC Table 1904.2.2. Compressive strength of concrete shall not be less than 3,000 psi, unless allowed by CBC Section 1805.9 Exception. Revise the design and drawings to show compliance.Provide structural calculations and drawings, stamped and signed by a California licensed architect or registered civil engineer for:Partition support as shown on sheet A 2.1. For plywood roof diaphragms, specify thickness, grade, panel span rating, and nailing schedule. (2305.2, 2305.3, 2306.9. and T2306.4.1)CBC Section 1603.1.4, Wind design data. The following information related to wind loads shall be shown, regardless of whether wind loads govern the design of the lateral-force-resisting system of the building: - Basic wind speed (3-second gust), miles per hour (km/hr). - Wind importance factor, I, and occupancy category. - Wind exposure. Where more than one wind exposure is utilized, the wind exposure and applicable wind direction shall be indicated. - The applicable internal pressure coefficient. - Components and cladding. The design wind pressures in terms of psf to be used for the design of exterior component and cladding materials not specifically designed by the registered design professional.CBC Section 1603.1.5, Earthquake design data. The following information related to seismic loads shall be shown, regardless of whether seismic loads govern the design of the lateral-force-resisting system of the building: - Seismic importance factor, I, and occupancy category. - Mapped spectral response accelerations, SS and S1. - Site class. - Spectral response coefficients, SDS and SD1. - Seismic design category. - Basic seismic-force-resisting system(s). - Design base shear. - Seismic response coefficient(s), CS. - Response modification factor(s), R. Note on drawings: "Truss supplier shall submit calculations and shop drawings signed by a registered civil engineer to the responsible project designer who agrees to review the shop drawings for acceptance prior to fabrication. Shop drawings and calculations shall be submitted to the Building Safety Division for acceptance after the responsible project designer has noted his/her acceptance and prior to fabrication.” Truss drawings must reflect compliance with CBC Sections: -Plans, structural calculations, and specifications must be prepared by a California registered civil engineer. (A106.1) - Regulation of prefabricated construction including required inspections and certifications. (1703.7) -Connectors and fasteners shall be installed in accordance with CBC Section 2304.9. -Metal-plate-connected wood trusses shall conform to CBC Section 2303.4.2. Provide evidence of required fabrication, storage, handling and delivery inspections. -The ICC approved agency number must be noted on shop drawings.City of Santa Ana Building Safety Division policy on when foundation and soils investigation shall be required. The purpose of this policy is to provide an alternative for designing small projects, as well as to provide consistency. - All new buildings and structures located in Seismic Design Category D, require foundation and soils investigation report per Sections 1802.2.6 and 1802.2.7 of the 2007 California Building Code (CBC.) The foundation and soils investigations report shall be prepared, stamped, and signed by a licensed soils or geotechnical engineer. Revise structural calculations for minimum foundation/footing design requirements for small projects. - Allowable foundation pressure not to exceed 1000 PSF. - Footing to have minimum reinforcement of: 2 #4 at top and 2 #4 at bottom. Provide structural calculations for vertical and lateral loads justification for new door opening into existing brick wall. Incorporate the results of structural calculations into drawings prior to re-submittal.