1010 93RD ST SW 2024-12-30 - Laserfiche WebLink

EARTHQUAKE RETROFIT SCHEDULE (SDS= 1.0 Seismic) TWO-STORY INSTRUCTIONS 1 2 3 5 0 Length Each of Two Braced Wall Sections Required Number of Foundation Connectors or 0 Locate the he section that matches your home's construction.Use the chart on Sheet S3 to g q Anchors at Each Perimeter Wall Line "Weight Category". ry. Along Each Perimeter Wall Line Along Assume Distributed � g Length g O2 Find the home's Total Floor Area in the schedule,this number should be at least as large as the (V © Oj number calculated in 2.c.Do not use a smaller number,even if it is closer. 07 00 0 m Wood Structural Panels 0 Floor to Cripple Wall a. Approximate list floor area over crawl space/basement: Q w Foundation Sill or (Do not include areas built over slab-on-grade.) v o ® Cripple Wall Height Anchors Floor to Foundation Sill b. Approximate 2nd floor area over crawl space/basement: a, L (Do not include areas where the 1stfloors over slab-on-grade.) M up to 1' 1'-1"to 2' 2'-1"to 4'-0" 4'-1"to 6'-0" 6'-1"to 7'-0" Type O') � ro Yp c. Total approximate square footage: Total Area 2 Without Without Without With Without With Without With Panel "E" Note:Basement/crawl space not included in total area. (line a+line b) in Square Tie- Tie- Tie- Tie- Tie- Tie- Tie- Tie- Edge Type 1/2"o 5/8"o Type or Type Feet downs downs downs downs downs downs downs downs Nailing "A/B" Bolt Bolt "D" "F" "13" O3 Check the box that matches your home's construction type,number of stories,and total floor area. O W You will use information in this row of the schedule to determine length of wood structural panels, o up to 1600 ❑ 8.0' 8.0' 10.7' 8.0' 12.0' 9.3' 13.3' 9.3' 4" 7 11 8 17 17 22 nailing requirements,quantities of hardware,etc. w .0 1601 to 2000 ❑ 9.3' 9.3' 12.0' 9.3 13.3' 10.7' 14.7' 10.7' 4" 8 13 9 20 19 26 ® Measure the maximum height of the cripple wall along each wall line of the house. o 2 Q r° c 2001 to 2400 ❑ 10.7' 10.7' 13.3' 10.7' 14.7' 10.7' 16.0' 12.0' 4" 9 15 10 23 22 29 O5 Determine the length of wood structural panel bracing required. The columns contain the length N U of required bracing,depending on the height of the cripple wall. The length of bracing is given for w 2401 to 3000 E] 12.0' 12.0' 14.7' 12.0' 17.3' 13.3' 18.7' 13.3' 4" 10 18 12 27 26 34 cripple wall heights of zero to 1', 1'to 2', 2'to 4', 4'to 6',and 6'to 7'. Furthermore,choices are o given for bracing without tie-downs and with tie-downs. If the cripple wall height changes along a 3001 to 4000 ❑ 14.7' 14.7' 17.3' 16.0' 20.0' 16.0' 21.3' 16.0' 4" 13 22 15 34 32 43 the length of the wall,use the average height to determine the required bracing length. Follow the up to 1600 ❑ 9.3' 9.3' 12.0' 9.3' 13.3' 10.7' 14.7' 12.0' 2" 9 16 11 24 23 30 row across from the total floor area that you checked for your home(in Step 3)to find the bracing o length for the cripple wall height on each side of the house. Review General Notes,Sheet S1, 1601 to 2000 ❑ 9.3' 10.7' 13.3' 10.7' 14.7' 12.0' 16.0' 13.3' 2" 11 18 13 28 27 35 Section J for instructions at non-rectangular"T"or 1"shaped dwellings. Check boxes where o Special Provisions apply. (Do 0 2001 to 2400 ❑ 10.7' 12.0' 14.7' 10.7' 16.0' 1IT 17.3' 14.7' 2" 12 21 14 32 31 41 � N v © Determine the number of Foundation Sill Anchors required. The columns show the number of o > 2401 to 3000 E] 12.0' 13.3' 16.0' 13.3' 18.7' 14.7' 18.7' 16.0' 2" 14 25 17 38 37 48 anchors required,depending on whether you use Types A through C,or 1/2"o or 5/8"o anchor .� M bolts. (o=diameter of the bolts.)See Sheet S3. a = 3001 to 4000 ❑ 13.3' 16.0' 18.7' 14.7' 21.3' 17.3' 22.7' 18.7' 2" 18 31 21 48 46 60 7 Determine the number of Floor to Cripple Wall or Foundation Sill connectors. The columns (D m Notes: 0 indicate how many framing connectors are required,depending on whether you use Types D,E, L 0) 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 wall F,or G.See Sheet S3. (D O r- E T) line as possible. Note that where using 1/2"or 5/8"bolts,one additional anchor is required at the end of each braced wall panel per Sheet D4. ® Complete the Retrofit Summary for your project.Fill in the lengths of Wood Structural Panels U (/) .(D N p 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 found in O5 .Fill in the type and quantity of anchors used on each wall line.The length of new U) O 3 a T N specified in this schedule is longer than can be accommodated b existing conditions. However,there is a level of uncertainty when dealing with existing foundations,therefore,where possible,longer cripple wall sheathing should be distributed along a wall line either in one full length or in a � E w p 9 Y 9 Y 9 9 P 9 O Q 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.) maximum of two panel lengths of approximately equal length(offset walls can have three).If you L L) u- z intend to use tie-downs,check the box for tie-downs for each wall line where use is intended. (D E 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 Check the box on line 5,and read the Supplemental Technical Notes for additional information. !Z w connections shall be minimum of 1/2"bolts at 18"o.c.(or equivalent)and fasteners at 12"o.c. Where the length of required panel does not fit within the available length,the dwelling must have N y) C0 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. an engineered solution.Alternately,if 80%of the length along any particular wall can be 3 sheathed,then that wall line shall be considered acceptable and an engineered solution is not 7 I I Mm �, 4. Any of the connectors listed within a particular group and as shown on Sheet S3 may be used for strengthening the particular condition. required.(See note 2(a)) 0 V m 0, 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 (n -- acceptable spacing where an alternate connector is used.Any such substitution can only be designed or specified by a Registered Design Professional. ® FIT SUMMARY M O E BRACING�ANCH=ORS. ONNECTORS AND6. Foundation sill anchor types A,B,and C should not be used with cripple walls over 2 feet. -- -- W Q) 1. Minimum required length of Wood Structural Panels per wall line: (check boxes where condition applies) North Wall ft x2 with tie-downs with Special Provisions East Wall ft x2 with tie-downs with Special Provisions South Wall ft x2 with tie-downs with Special Provisions West Wall ft x2 with tie-downs with Special Provisions 2. Panel Edge Nailing "on center. 3. New Foundation Sill Anchorage: Additional types/quantity(if used): North Wall Type: Min required: Type: Min required: East Wall Type: Min required: Type: Min required: South Wall Type: Min required: Type: Min required: West Wall Type: Min required: Type: Min required: 4. Floor Framing Connectors(to Cripple Wall or Foundation Sill): Additional types/quantity(if used): North Wall Type: Min required: Type: Min required: Date: East Wall Type: Min required: Type: Min required: South Wall Type: Min required: Type: Min required: sneer: West Wall Type: Min required: Type: Min required: S3. 1 5. ❑ Check this box if tie-downs and SUPPLEMENTAL TECHNICAL NOTES on Sheet S2 will be used.