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EARTHQUAKE RETROFIT SCHEDULE (SDS= 1.0 Seismic) ONE-STORY INSTRUCTIONS 1 2 3 5 O Length Each of Two Braced Wall Sections Required Number of Foundation Connectors or Anchors 0 Locate the he section that matches your home's construction.Use the flowchart on Sheet S3 to O O O g q at Each Perimeter Wall Line "Weight Category". ry• Along Each Perimeter Wall Line Assume Distributed AlongLength O 9 O2 Find the home's Total Floor Area in the schedule,this number should be at least as large as the N © Oj number listed below.Do not use a smaller number,even if it is closer. 00 o m Wood Structural Panels 0 Floor to Cripple Wall a. Approximate 15t floor area over crawlspace/basement: U Q U w Foundation Sill or (Do not include areas built over slab-on-grade.) o ® Cripple Wall Height Anchors Floor to Foundation Sill Note:Basement/crawl space not included in total area. CO L up to 11, 1'-1"to 2' 2'-1"to 4'-0" 4'-1"to 6-0" 6'-1"to T-0" Type Check the box that matches your home's construction type,number of stories,and total floor O3 Total Area 2 Without Without Without With Without With Without With Panel "E" area. You will use information in this row of the schedule to determine length of wood structural O i in Square Tie- Tie- Tie- Tie- Tie- Tie- Tie- Tie- Edge Type 1/2"o 5/8"o Type or Type panels,nailing requirements,quantities of hardware,etc. N Feet downs downs downs downs downs downs downs downs Nailing "A/B" Bolt Bolt "D" "F" "G" ® Measure the maximum height of the cripple wall along each wall line of the house. W up to 800 ❑ 5.3' 5.3' 8.0' 5.3' 9.3' 5.3' 9.3' 6.7' 4" 4 7 5 11 10 14 O Determine the length of wood structural panel bracing required. The columns contain the length w 801 to 1000 ❑ 6.7' 6.7' 8.0' 6.7' 10.7' 6.7' 10.7' 8.0' 4" 5 8 6 13 12 16 of required bracing,depending on the height of the cripple wall. The length of bracing is given o o for cripple wall heights of zero to 1', 1'to 2', 2'to 4', 4'to 6',and 6'to 7'. Furthermore,choices a .0 1001 to 1200 ❑ 6.7' 6.7' 9.3' 6.7' 10.7' 8.0' 12.0' 8.0' 4" 6 10 7 15 14 19 are given for bracing without tie-downs and with tie-downs. If the cripple wall height changes 2 along the length of the wall,use the average height to determine the required bracing length. w 0 1201 to 1500 0 8.0' 8.0' 10.7' 8.0' 13.3' 9.3' 13.3' 9.3' 4" 7 12 8 18 17 22 Follow the row across from the total floor area that you checked for your home(in Step 2)to find o c) the bracing length for the cripple wall height on each side of the house. Review General Notes, a Z 1501 to 2000 ❑ 9.3' 10.7' 13.3' 10.7' 14.7' 10.7' 16.0' 12.0' 4" 9 15 10 23 22 29 Sheet S1,Section J for instructions at non-rectangular"T"or"L"shaped dwellings. Check J 2001 to 2500 ❑ 12.0' 12.0' 14.7' 12.0' 17.3' 12.0' 18.7' 13.3' 4" 10 18 12 27 26 35 boxes where Special Provisions apply. © Determine the number of Foundation Sill Anchors required. The columns show the number of 2501 to 3000 ❑ 14.7' 14.7' 16.0' 14.7' 18.7' 14.7' 20.0' 16.0' 4" 12 21 14 32 31 40 anchors required,depending on whether you use Types A through C,or 112"0 or 5/8"o anchor bolts. (o=diameter of the bolts.) See Sheet S3. up to 800 ❑ 5.3' 6.7' 8.0' 5.3' 10.7' 6.7' 10.7' 8.0' 2" 6 10 7 15 14 18 � o O7 Determine the number of Floor to Cripple Wall or Foundation Sill connectors. The columns 0 801 to 1000 ❑ 6.7' 8.0' 9.3' 6.7' 12.0' 8.0' 12.0' 9.3' 2" 7 11 8 17 17 22 indicate how many framing connectors are required,depending on whether you use Types D,E, o F,or G. See Sheet S3. m t5 1001 to 1200 ❑ 6.7' 8.0' 10.7' 8.0' 12.0' 9.3' 13.3' 10.7' 2" 8 13 9 20 19 25 N a 0-, o ® Complete the Retrofit Summary for your project.Fill in the lengths found in 0.Check the � O rn _ 65 0 1201 to 1500 ❑ 8.0' 9.3' 12.0' 9.3' 14.7' 10.7' 14.7' 12.0' 2" 9 15 11 24 23 30 boxes for the anchor and connector types you plan to use. The length of new cripple wall -0 m CM v sheathing should be distributed along a wall line either in one full length or in a maximum of two it r > 1501 to 2000 ❑ 9.3' 10.7' 14.7' 10.7' 16.0' 12.0' 17.3' 13.3' 2" 11 19 13 30 29 38 panel lengths of approximately equal length offset walls can have three If you intend to use U N = (D N P 9 PP Y q 9 ( )• tie-downs,check the box for tie-downs for each wall line where use is intended.Check the box t) C 0 p o = 2001 to 2500 ❑ 10.7' 13.3' 16.0' 12.0' 18.7' 14.7' 20.0' 16.0' 2" 13 23 16 36 34 45 on line 4,and read the Supplemental Technical Notes for additional information.Where the 3 > N Lu length of required panel does not fit within the available length,the dwelling must have an O .E z 2501 to 3000 ❑ 12.0' 14.7' 17.3' 13.3' 20.0' 16.0' 21.3' 17.3' 2" 16 27 18 41 40 53 engineered solution.Alternately,if 80%of the length along any particular wall can be Q O ii Notes: sheathed,then that wall line shall be considered acceptable and an engineered solution is not M E o 1. Anchor bolts and Connectors shown in the Earthquake Retrofit Schedule are the minimum required per wall line,placed within the length of strengthening where possible and spaced as equally along each required.(See note 2(a)) N I I r wall line as possible. _�e CQ U) -a 2. Tie-downs:If your foundation meets the criteria,you may choose the tie-down option to decrease the required length of strengthening. This may be required where the length of the wall without tie-downs ® ROM SUMM�ARY� 73 M specified in this schedule is longer than can be accommodated by existing conditions. However,there is a level of uncertainty when dealing with existing foundations,therefore,where possible,longer L V m � lengths of strengthening,without tie-downs,are preferred.(See Supplemental Technical Notes,Sheet S2 to verify the existing foundation is suitable and meets criteria.) BRACING,ANCHORS, CONNECT WNS -L 4- O M 0 2(a). Where the available wall length with tie-down per wall line is less than table required lengths;It is acceptable to provide braced walls with tie-down for 80%of the wall line length.The required pony wall W connections shall be minimum of 1/2"bolts at 18"o.c.(or equivalent)and fasteners at 12"o.c. 1. Minimum required length of Wood Structural Panels per wall line: (check boxes where condition applies) � a 3. Connector Type"F"should be used as an alternative only if joists have blocking on both sides and where accessibility makes the use of Types"D"or"E"impractical. North Wall 8 ft x2 with tie-downs with Special Provisions 4. Any of the connectors listed within a particular group and as shown on Sheet S3 may be used for strengthening the particular condition. East Wall 8 ft x2 with tie-downs with Special Provisions > 5. This Plan Set was developed using the lowest listed manufacturer's capacity within a particular group.Required number of connectors on the Earthquake Retrofit Schedule may be found to have an South Wall 8 ft x2 with tie-downs with Special Provisions acceptable spacing where an alternate connector is used.Any such substitution can only be designed or specified by a Registered Design Professional. West Wall 8 ft x2 with tie-downs with Special Provisions 6. Foundation sill anchor types A,B,and C should not be used with cripple walls over 2 feet. 2. Panel Edge Nailing "on center. 3. New Foundation Sill Anchorage: Additional types/quantity(if used): North Wall Type: A Min required: 7 Type: Min required: East Wall Type: A Min required: 7 Type: Min required: South Wall Type: A Min required: 7 Type: Min required: West Wall Type: A Min required: 7 Type: Min required: 4. Floor Framing Connectors(to Cripple Wall or Foundation Sill): Additional types/quantity(if used): North Wall Type: D Min required: 18 Type: Min required: East Wall Type: D Min required: 18 Type: Min required: Date: South Wall Type: D Min required: 18 Type: Min required: Sheet: West Wall Type: D Min required: 18 , Type: Min required: S3. 1 5. ❑ Check this box if tie-downs and SUPPLEMENTAL TECHNICAL NOTES on Sheet S2 will be used.