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HomeMy WebLinkAbout170902_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: 2010 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.Please return marked up set of drawings with corrections.CBC Sections A106.1 and A106.3.4.1, All drawings and supporting documents shall be prepared, stamped and signed by a California licensed architect or registered civil engineer.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) - Grading Permit. Application is made through the Building Safety Division (647-5800) and the plan review is by the Public Works Agency (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 issuance Submit a signed copy of the contract showing labor and materials for all work to be done under the subject building permit application. The plan check engineer may accept the contract price as the valuation of improvements for unique/unusual projects in lieu of using a cost per square foot basis.A separate Building Permit Application is required for: - Each building - Each structure - Each sign - Trash enclosure(s) - Fence(s) - Block wall(s) - Light standard(s) - Pedestrian protection - Demolition - Site improvementsMake a note “ All entry awnings are under separate permit.”Identify all area on the site plan.Show all the first floor suites perimeter on site plan.Specify finish floor elevation of first floor.This project is in a special flood hazard area designated on the flood insurance rate map (FIRM) as zone A or AE. This zone requires that the lowest finish floor elevation (including basement) of the structure shall be at (or above) base flood elevation determined by a hydrology study for the A zone, or at (or above) the base flood elevation specified for the AE zone, on the flood insurance rate map. All elevations must be referenced to the National Geodetic Vertical Datum. Reference should be made to the Flood Plain Management Ordinance, Santa Ana Municipal Code, Chapter 7, for complete requirements. Drawings shall show compliance with said ordinance including noting flood zone and finish floor elevation. Note on Plans: A Federal Emergency Management Agency National Flood Insurance Program ELEVATION CERTIFICATE shall be completed by a California Licensed Land Surveyor or California Registered Civil Engineer who is authorized to practice land surveying. The completed ELEVATION CERTIFICATE must be submitted to the Building Inspector at the time of foundation inspection, and a final certificate must be submitted at the time of final inspection.The National Flood Insurance Program (NFIP) requires the following to be wet flood proofed: Transformer. Refer to FEMA Technical Bulletin 7-93 and the attached city handout on Flood proofing for general requirements and restrictions. Revise the drawings to show compliance.Show all the outdoor equipments 2 feet above the flood elevation per hydrology or flood proof.Provide signature on the flood documents.Submit two (2) copies of a geotechnical report for the subject project in accordance with CBC Section 1802. The geotechnical engineer shall include in said report applicable items noted under CBC Section 1803.6.CBC Section 1803.6 Reports. The soil classification and design load-bearing capacity shall be shown on the construction document. Where required by the building official, a written report of the investigation shall be submitted that includes, but need not be limited to, the following information: - A plot showing the location of test borings and/or excavations. - A complete record of the soil samples. - A record of the soil profile. - Elevation of the water table, if encountered. - Recommendations for foundation type and design criteria, including but not limited to: bearing capacity of natural or compacted soil; provisions to mitigate the effects of expansive soils; mitigation of the effects of liquefaction, differential settlement and varying soil strength; and the effects of adjacent loads. - Expected total and differential settlement. - Pile and pier foundation information in accordance with Section 1810. - Special design and construction provisions for footings or foundations founded on expansive soils,as necessary. - Compacted fill material properties and testing in accordance with Section 1804.5.CBC Section 1803. Geotechnical report recommendations are considered to be minimum standards. Structural calculations and drawings must meet or exceed said minimum standards. Show compliance with the following geotechnical report recommendations:The geotechnical report requires foundation excavations to be reviewed by a geotechnical engineer. Note on the foundation plan "Prior to requesting a Building Safety Division foundation inspection, the geotechnical engineer shall inspect and approve the foundation excavations." (1803)Have the consulting geotechnical engineer review and approve the foundation plans. (1803)Note on the Foundation Plan(s): “Prior to calling for Foundation Inspection, the building corners shall be surveyed and staked by a California licensed Land Surveyor or qualified Civil Engineer. The survey and staking must be documented and bear the stamp and signature of the person responsible for the survey and staking. The certification document must be submitted to the Building Inspector at the time of Foundation Inspection.”CBC Section 717.2.2, Provide fire blocking in concealed spaces of stud walls and partitions, including furred spaces at the ceiling and floor level and at 10 ft. intervals both vertical and horizontal, also in stairways.Fireblocking. In combustible construction, fireblocking shall be installed to cut off concealed draft openings (both vertical and horizontal) and shall form an effective barrier between floors, between a top story and a roof or attic space. Fireblocking shall be installed in the locations specified in CBC Sections 717.2.2 through 717.2.7.Provide typical section view detail of all new partitions and ceilings showing: - Size, spacing, and material of framing membersComplete all soffit and furred out wall details. Provide complete detailing, including number, type, location of fasteners and how attachment is made to the building structure. Show compliance with CBC Section 803.CBC Section 1007.4, Elevators. In order to be considered part of an accessible means of egress, an elevator shall comply with the emergency operation and signaling device requirements of Section 2.27 of ASME A17.1. Standby power shall be provided in accordance with Sections 2702 and 3003. The elevator shall be accessed from either an area of refuge complying with Section 1007.6 or a horizontal exit.Provide completely dimensioned floor plans , elevations and sections of elevator and all the buttons to show compliance with CBC section 1116-B.Note on the drawings “The applicant shall responsible for obtaining required elevator certification by the state division of occupational safety and health. “Provide construction detail for the elevator shaft.Provide calculation and construction details for elevator pit.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.Provide complete exit plan from the second floor.Provide number of exits required by CBC Sections 1015 and 1016.CBC Section 1015.1, Exit or exit access doorways required. Two exits or exit access doorways from any space shall be provided where one of the following conditions exists: - The occupant load of the space exceeds the values in Table 1015.1. - The common path of egress travel exceeds the limitations of Section 1014.3. - Where required by Sections 1021.2CBC Section 1015.2.1, Two exits or exit access doorways. Where two exits or exit access doorways are required from any portion of the exit access, the exit doors or exit access doorways shall be placed a distance apart equal to not less than one-half of the length of the maximum overall diagonal dimension of the building or area to be served measured in a straight line between exit doors or exit access doorways. Interlocking or scissor stairs shall be counted as one exit stairway.CBC Section 1015.2.1. Where a building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2, the separation distance of the exit doors or exit access doorways shall not be less than one-third of the length of the maximum overall diagonal dimension of the area served.Table 1019.2 For Buildings With One Exit:Maximum HeightMaximum OccupantsOf Building(Or Dwelling Units)OccupancyAbove Grade PlanePer Floor And Travel Distance A, B, E, F, M, U1 Story49 occupants and 75’ travel distance B, F, M, S2 Stories30 occupants and 75’ travel distance R-22 Stories4 dwelling units and 50’ travel distanceProvide on the drawings a complete door schedule, showing: - Show compliance with the City of Santa Ana’s Security Ordinance (Contact the Santa Ana Police Department Crime Prevention Section by telephoning 714-647-5840)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.”Verify if the double doors are acting as 2 single doors. If not show clearly on the floor plan.Panic hardware shall comply with CBC Section 1008.1.9. Panic hardware shall be provided as required by CBC Section(s): - An Occupancy with an occupant count > 50. Refer to CBC section 1008.1.8.3, Item 2 for Exception. - I-2 or I-2.1 Occupancy with an occupant count > 50 - Electrical rooms with equipment rated 1,200 amperes or more and over 6’ wide that contain over current devices, switching devices or control devices with exit access doors shall be equipped with panic hardware and doors shall swing in the direction of egress. - By the Fire Department CBC Section 1008.1.2, Revolving, sliding, and overhead doors serving an occupant load of more than 10 shall not be used as required exits. (pharmacy door)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 width of the level area on the side to which the door swings shall extend 18” past the strike edge of the door for interior doors and 12” past the edge for doors swing in the different direction. CBC Section  1126A.3.2.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.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 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.Show the reception desk at the all floors is in compliance with H/C accessibility.Show pick up window in the pharmacy is in compliance with H/C accessibility.Show all the exam room sinks are in compliance with H/C accessibility.Stairways shall show compliance with CBC Sections 1009 and 1133B.4 including applicable disabled accessibility requirements. - Dimension rise of steps shall be not less than 4” or greater than 7”. The run shall not be less than 11”. - Treads, nosing, and risers require compliance with CBC Section 1133B.4.5, including no open risers and slip resistant treads. - CBC Section 1009.2, Dimension stairway headroom clearance. 6’ 8” minimum clearance.There shall be no enclosed usable space under exterior exit stairways unless the space is completely enclosed in 1-hour fire-resistance-rated construction. The open space under exterior stairways shall not be used for any purpose.CBC Section 1133B.4.4, The upper approach and the lower tread of each interior stair shall be marked by a strip of clearly contrasting color at least 2” wide placed parallel to and close to (not more than 1” from) the nose of the step or landing to alert the visually impaired. The strip shall be of material that is at least as slip-resistant as the other treads of the stairs.CBC Section 1133B.8.2, Areas with a vertical clearance of less than 80” must have a barrier to warn blind or visually impaired persons.Provide handrail details on the drawings showing compliance with CBC Section 1009.10, 1012, and 1133B.4.1. For stairways. - Stairways shall have handrails on each side. - Handrails shall extend a minimum of 12” beyond the top nosing, and shall extend a minimum of 12” plus the tread width beyond the bottom nosing. - Ends of handrails shall be returned or shall terminate in newel posts of safety terminals. - Handrails projecting from a wall shall have a space of 1½” between the wall and the handrail. - The handgrip portion of handrails shall not be less than 1¼” nor more than 1½” cross-sectional dimension or the shape shall provide an equivalent gripping surface. The handgrip portion of handrails shall have a smooth surface with no sharp corners. Any wall or other surface adjacent to the handrail shall be free of sharp or abrasive elements. Edges shall have a minimum radius of 1/8”.Provide a complete full height section and details showing stairways positively anchored to the primary structure without using toe nails or nails subject to withdraw.Provide calculation for 100 psf live load for the stairways.CBC Section 1012.1, Where required. Handrails for stairways and ramps shall be adequate in strength and attachment in accordance with CBC Section 1607.7. Handrails required for stairways by Section 1009.10 shall comply with CBC Sections 1012.2 through 1012.8. Handrails required for ramps by CBC Section 1010.8 shall comply with CBC Sections 1012.2 through 1012.7.CBC Section 1133B.5.4.2, Size of top and bottom landings. Top landings shall be not less than 60” wide and shall have a length of not less than 60” in the direction of ramp run. Landings at the bottom of ramps shall have a dimension in the direction of ramp run of not less than 72”.CBC Section 1133B.5.4.3, Encroachment of doors. Doors in any position shall not reduce the minimum dimension of the landing to less than 42” and shall not reduce the required width by more than 3” when fully open. See Figure 11B-39(b).CBC Section 1010.6.1, Slope. Landings shall have a slope not steeper than one unit vertical in 48 units horizontal (2-percent slope) in any direction. Changes in level are not permitted.CBC Section 1010.6.3, Length. The landing length shall be 60” minimum. Provide complete plan view of the ramp to show all the slopes and landings and size of the landings.Show maximum height of the ramp.CBC Section 1133B.5.5.1, Handrails for ramps: - Shall be placed on each side of each ramp, shall be continuous the full length of the ramp - Shall be 34 to 38” above the ramp surface to the top of the handrails - Shall extend a minimum of 1’ beyond the top and bottom of the ramp and shall be parallel with the floor or ground surface - The ends of handrails shall be either rounded or returned smoothly to floor, wall or post - Handrails projecting from a wall shall have a space of 1½” between the wall and the handrail - The grip portion shall not be less than 1¼” nor more than 1½“ in cross-sectional nominal dimension or the shape shall provide an equivalent gripping surface - All surfaces shall be smooth with no sharp cornersCBC Section 1133B.5.6, Wheel guides. Where the ramp surface is not bounded by a wall, the ramp shall comply with Section 1133B.5.6.1 or 1133B.5.6.2.A guide curb a minimum of 2” in height shall be provided at each side of the rampExit 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.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.”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 - Parking, signage and alarmsCBC Section 1127B.1. Site development shall be designed to provide access to all entrances and exterior ground-floor exits and access to normal paths of travel; and where necessary, to provide access shall incorporate pedestrian ramps, curb ramps, etc.Provide detectable warning for the full length and width of the curb ramp.Provide path of travel from H/C parking to the building.CBC Section 1127B.1. The accessible route of travel shall be the most practical direct route between accessible building entrances, accessible site facilities, and the accessible entrance to the site.At every entrance and at every major junction along or leading to an accessible route of travel, there shall be a sign displaying the international symbol of accessibility. Signs shall indicate the direction to accessible building entrances and facilities and shall comply with the requirements found in CBC Sections 1117B.5 and 1127B.3.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 1129B.2. Medical care outpatient units and facilities require at least 10 percent of the total number of parking spaces provided be disabled accessible. Units and facilities that specialize in the treatment or services for persons with mobility impairments require at least 20 percent of the total number or parking spaces provided be disabled accessible.CBC Section 1129B.3, Item 3. Parking spaces must be located so that the disabled are not compelled to walk or wheel behind parked cars other than their own.Provide minimum 18’ for the length of the handicap parkings.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.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.Note on drawings: - CBC Section 1205.4, Stairway illumination. Stairways within dwelling units and exterior stairways serving a dwelling unit shall have an illumination level on tread runs of not less than 1’candle (11 lux). Stairs in other occupancies shall be governed by Chapter 10.This building is subject to the State of California Energy Conservation Regulations: - The permit applicant shall be responsible for obtaining an energy plan check from a consultant who is qualified to perform an energy efficiency analysis in accordance with the California Code of Regulations (CCR,) Title 24, Par 6, 2008 California Energy Code. The plan check consultant must sign documentation certifying that a thorough, competent review has been performed on behalf of the Enforcement Agency. - The corrected/final ARCHITECTURAL drawings shall have the required energy efficiency compliance documentation with completed signature blocks filed on the plans. The same information may be copied on the Electrical Plans for the Electrical Plan Checker. - Provide cool roofing as required by 2008 Energy Standards. - The energy plan check consultant must complete the attached “Energy Conservation Plan Check Consultant Qualification Statement.” - Refer to the attached information sheet.Show compliance with California Green Bldg code 2010. For more info please refer to attached summary.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.Provide 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 ceilingThe reflected ceiling plan and details must show compliance with CBC Sections 711.3.1, 803, 1613, and 1705 (special inspection) for suspended ceiling systems.Note ICC Research Report Number on the drawings for the suspended ceiling system. (ICC Report Number 1308)CBC 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.Note on the drawings and submit a copy of ICC Research Report for: _____________.Provide structural calculations and drawings, stamped and signed by a California licensed architect or registered civil engineer for: - Stairway(s). CBC Sections 1607, 1630a and 1133B.4, and CBC Table 1607.1, Item 36. - Handrail(s)/guard(s). CBC Sections 1012, 1013, and 1607.7. - Guard(s). CBC Sections 1013 and 1607.7. - Storage racks over 8’ high - New mechanical equipment on roof (note on Roof Framing Plan weight of each existing and new piece of equipment on the roof) - New equipment screening on roof - Structural support of shaft(s) and/or hood(s) - Canopy - Trash Enclosure (see attached handout.) - Any other structural alteration - Removal or alteration of existing shear walls - Children’s playground structures shall comply with CBC Section 402.11CBC Section 1603.1.1, Floor live load. The uniformly distributed, concentrated and impact floor live load used in the design shall be indicated for floor areas. Use of live load reduction in accordance with Section 1607.9 shall be indicated for each type of live load used in the design.CBC Section 1603.1.2, Roof live load. The roof live load used in the design shall be indicated for roof areas (Section 1607.11).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.Show wind load value on the calculation.Change the dead load on the calculation to reflect weight of the fire sprinkler and t-bar ceilingfor both roof load and floor load, and check the calculation based on the new weight.Provide framing detail for all the sky lights.Provide sky light details to show flashing and 4 inch minimum mounting height.Provide ICC report for the sky lights.All roof rafters are overstressed please provide complete manufacture load and span table and revise them accordingly.Maximum span for 2 11/16” x 18” Psl @ 16” o.c is 30’ , please change the member accordingly.Provide TJI floor joists span table for commercial use.(minimum 50 psf)Provide weight of the A/C units on the roof framing plan.Provide calculation with construction detail to show how the A/C units will be supported by the roof and a/c attachments to the roof.There is no 2X roof rafter please revise them accordingly.Provide size and number of the rebar based on the soils report.Please justify anchor bolts spacing for double shear wall # 4. Revise all the footing details to reflect height of the actual footings at each side of the building based on the flood elevation.Provide complete design for full height wall.Provide full height post at the exterior framing next to the stairways.Provide support with detail for all beams showing on framing plan.Provide connection detail for beam to full height post on 2nd floor framing .Show size of the studs based on the height per CBC 2010 chapter 23.For plywood roof diaphragm, specify thickness, grade, panel span rating and nailing schedule.For plywood floor diaphragm, specify thickness, grade, panel span rating and nailing schedule and panel layout pattern.Provide support for all of the headers and beams.Provide the same shear wall stiffness on the same line of shear wall.Provide drag strut at all the openings to the shear wall. Show detail of strap at top plate connection.Clarify type of the façade material and construction detail.Show location of all light standards on site plan.Provide complete calculation and attachment detail for the light standards. Submit roof drainage calculations based on a 4" per hour rainfall and the California Plumbing Code (PC) Chapter 11 and PC Appendix D. (1503) Roof overflow drains having the same size as the roof drains shall be installed with the inlet flow line located 2 inches above the low point of the roof. Small localized sump is not considered the low point of the roof for this requirement. (PC1101.11.2.2)Overflow drains shall be connected to drain lines independent from the roof drain lines. (PC1101.11.2.2.1)Roof drain overflow scuppers shall have at least 3 times the size of the roof drain it serves and may be installed in adjacent parapet walls with the inlet flow line located 2 inches above the low point of the adjacent roof. Small localized sump is not considered the low point of the roof for this requirement. (PC 1101.11.2.2)The roof drain overflow scupper shall have a minimum opening height of 4 inches. (PC1101.11.2.1)