Section 516C — POINTING OF UNREINFORCED MASONRY WALLS
516C.4 Packing.
San Francisco Building Inspection Commission Codes · 2022 edition · updated 2026-07-25 · San Francisco
The joint into which the mortar is to be packed shall be damp but without freestanding water. The mortar shall be tightly packed into the joint in layers not exceeding ¼ inch (6.35 mm) in depth until it is filled; then it shall be tooled to a smooth surface to match the original profile.
FIGURE 5C-1 – ACCEPTABLE DIAPHRAGM SPAN
NOTE: To convert feet to meters, multiply by 0.3048.
FIGURE 5C-2 – ANALYSIS OF UNREINFORCED MASONRY WALL IN-PLANE SHEAR FORCES
TABLE 5C-A – ELEMENTS REGULATED BY THIS CHAPTER
| ELEMENTS | SECTION | PROCEDURE |
|---|---|---|
| ELEMENTS | SECTION |
| BOLTS- PLUS |
SPECIAL | GENERAL | 2 304.4 |
||
|---|---|---|---|---|---|
| ELEMENTS | SECTION | PROCEDURE | PROCEDURE | PROCEDURE | PROCEDURE |
| ELEMENTS | SECTION | BOLTS- PLUS |
SPECIAL | GENERAL | **304.4**2 |
| Masonry Shear Strength | 506C.3.3 | X | X | X | X |
| Diaphragms | 510C.1 | X | |||
| Diaphragms | 511C.4 | X | |||
| Diaphragms | 304.4 | X | |||
| Diaphragm Shear Transfer | 510C.1 | X1 | |||
| Diaphragm Shear Transfer | 511C.5 | X1 | X | ||
| Diaphragm Shear Transfer | 513C.2 | X | X | X | |
| Chords | 511C.4 | X | |||
| Diaphragm Capacity Ratios | SFBC 1604 | X | |||
| Collectors | 513C.3 | X | |||
| Collectors | 513C.4 | X | |||
| Collectors | 304.4 | X4 | |||
| Analysis of Vertical Elements | 512C | X | X | ||
| Crosswalls | 511C.3 | X | |||
| Shear Walls | 510C.3 | X | |||
| Shear Walls | 511C.6 | X | |||
| Shear Walls | 304.4 | X3, 4 | |||
| Out of Plane Wall Anchorage | 513C.1 | X | X | X | |
| Out of Plane Wall Anchorage | 304.4 | X | |||
| Ties & Continuity | 513C.4 | X | X | ||
| Ties & Continuity | 304.4 | X | X | ||
| Wall Bracing | 513C.5 | X | X | X | X5 |
| Parapets | 513C.6 | X | X | X | X |
| Veneer | 513C.7 | X | X | X | X |
|---|---|---|---|---|---|
| Nonstructural Masonry Walls | 513C.8 | X | X | X | |
| Truss & Beam Supports | 513C.9 | X | X | X | |
| Adjacent Buildings | 513C.10 | X | X | X | |
| Subdiaphragms | 304.4 | X | |||
| Subdiaphragms | SFBC 1604.8.2 | ||||
| Subdiaphragms | ASCE 7-16 Section 12.11.24 |
||||
| 1 Diaphragm shear transfer forces shall be calculated using the General Procedures unless the building qualifies for the use of the Special Procedure. |
|||||
| 2 Retrofit procedure per SFEBC Section 304.4. | |||||
| 3 Wood shear walls allowed only for one- or two-story building per San Francisco Building Code Section 2305.1. |
|||||
| 4 Only in-plane shear check required. (Rocking not allowed.) | |||||
| 5 Use (h/t) for “All other walls” from Table 5C-B. |
TABLE 5C-B – ALLOWABLE VALUE OF HEIGHT-TO-THICKNESS RATIO OF UNREINFORCED MASONRY WALLS
| WALL TYPES | BUILDINGS WITH 1 CROSSWALLS |
ALL OTHER BUILDINGS |
|---|---|---|
| Walls of one-story buildings | 162,3 | 13 |
| First story wall of multistory buildings |
16 | 15 |
| Walls in top story of multistory buildings |
142,3 | 9 |
| All other walls | 16 | 13 |
| 1 Applies to the Special Procedure of Section 511C and the Bolts-plus Procedure of the last paragraph of Exception 1 to Section 509C.2 only. See Section 511C.7 for other restrictions. |
||
| 2 This value of height-to-thickness ratio may be used only where mortar shear tests establish a tested mortar shear strength, vt, of not less than 100 psi (689.48 kPa). This value may also be used where the tested mortar strength is not less than 60 psi (413.69 kPa) and a visual examination of the collar joint indicates not less than 50 percent mortar coverage. |
3 Where a visual examination of the collar joint indicates not less than 50 percent mortar coverage, and the tested mortar shear strength, vt, is greater than 30 psi (206.84 kPa) but less than 60 psi (413.69 kPa), the allowable height-to-thickness ratio may be determined by linear interpolation between the larger and smaller ratios in direct proportion to the tested mortar strength.
TABLE 5C-C – HORIZONTAL FORCE FACTOR, Cp [1]
| CONFIGURATION OF MATERIALS | C p |
|---|---|
| Roofs with straight or diagonal sheathing and roofing applied directly to the sheathing, or floors with straight tongue-and-groove sheathing |
0.50 |
| Diaphragms with double or multiple layers of boards with edges offset, and blocked plywood systems |
0.75 |
| 1 Applicable to the Special Procedure of Section 511C only. |
TABLE 5C-D – ALLOWABLE VALUES FOR EXISTING MATERIALS
| EXISTING MATERIALS OR CONFIGURATION OF 1 MATERIALS |
ALLOWABLE VALUES |
|---|---|
| 1. HORIZONTAL DIAPHRAGMS2 | (x 14.5939 for N/m) |
| a. Roofs with straight sheathing and roofing applied directly to the sheathing |
100 pounds per foot seismic shear |
| b. Roofs with diagonal sheathing and roofing applied directly to the sheathing |
250 pounds per foot seismic shear |
| c. Floors with straight tongue-and-groove sheathing | 100 pounds per foot seismic shear |
| d. Floors with straight sheathing and finished wood flooring with board edges offset or perpendicular |
500 pounds per foot seismic shear |
| e. Floors with diagonal sheathing and finished wood flooring |
600 pounds per foot seismic shear |
| 2. CROSSWALLS2,3 | (x 14.5939 for N/m) |
| a. Plaster on wood or metal lath | per side: 200 pounds per foot seismic shear |
| b. Plaster on gypsum lath | 175 pounds per foot seismic shear |
| c. Gypsum wallboard, unblocked edges | 75 pounds per foot seismic shear |
|---|---|
| d. Gypsum wallboard, blocked edges | 125 pounds per foot seismic shear |
| 3. EXISTING FOOTINGS, WOOD FRAMING, STRUCTURAL STEEL AND REINFORCE STEEL |
(x 6.895 for kPa) |
| a. Plain concrete footings | f ´c = 1,500 psi unless otherwise shown by tests4 |
| b. Douglas fir wood | Allowable stress same as D.F. No. 14 |
| c. Reinforcing steel | ft = 18,000 psi maximum4 |
| d. Structural steel | ft = 20,000 psi maximum4 |
| 1 Material must be sound and in good condition. | |
| 2 A one-third increase in allowable stress is not allowed | |
| 3 Shear values of these materials may be combined, except the total combined value shall not exceed 300 pounds per foot (2068.43 kPa). |
|
| 4 Stresses given may be increased for combinations of loads as specified in this code |
TABLE 5C-E – ALLOWABLE VALUES OF NEW MATERIALS USED IN CONJUNCTION WITH EXISTING CONSTRUCTION
| NEW MATERIALS OR CONFIGURATIONS OF MATERIALS |
1 ALLOWABLE VALUES |
|---|---|
| 1. HORIZONTAL DIAPHRAGMS10 | (x 14.5939 for N/m) |
| a. Plywood sheathing nailed directly over existing straight sheathing with ends of plywood sheets bearing on joists or rafters and edges of plywood located on center of individual sheathing boards |
225 pounds per foot seismic shear |
| b. Plywood sheathing nailed directly over existing diagonal sheathing with ends of plywood sheets bearing on joists or rafters |
375 pounds per foot seismic shear |
| c. Plywood sheathing nailed directly over existing straight or diagonal sheathing with ends of plywood sheets bearing on joists or rafters with edges of plywood located over new blocking and nailed to provide a minimum nail penetration into framing and blocking of 1 5/8 inches (41.28 mm) |
75 percent of the values specified in San Francisco Building Code Table 2306.2.1(1) |
2. SHEAR WALLS: (GENERAL PROCEDURE)
| Plywood sheathing applied directly over wood studs. No value shall be given to plywood applied over existing plaster or wood sheathing. |
100 percent of the value specified in San Francisco Building Code Table 2306.2.1(2) for shear walls |
|---|---|
| 3. CROSSWALLS: (SPECIAL PROCEDURE) | |
| a. Plywood sheathing applied directly over wood studs. No value shall be given to plywood applied over existing plaster or wood sheathing |
133 percent of the value specified in San Francisco Building Code Table 2306.2.1(2) for shear walls |
| b. Drywall or plaster applied directly over wood studs | 100 percent of the values in San Francisco Building Code Table 2306.3(3) |
| c. Drywall or plaster applied to sheathing over existing wood studs |
The values in San Francisco Building Code Table 2306.3(3) reduced as noted in Footnote a of that table2 |
| 4. TENSION BOLTS | (x 4.448 for N) |
| a. Bolts extending entirely through unreinforced masonry walls secured with bearing plates on far side of a 3 wythe minimum wall with at least 30 square inches (19,355 mm2) of area3,4,11 |
1,800 pounds per bolt8 |
| a. Bolts extending entirely through unreinforced masonry walls secured with bearing plates on far side of a 3 wythe minimum wall with at least 30 square inches (19,355 mm2) of area3,4,11 |
900 pounds per bolt for 2 wythe walls8 |
| b. Bolts extending to the exterior face of the wall with a 2½-inch (63.5 mm) round plate under the head and drilled at an angle of 22½ degrees to the horizontal, installed as specified for shear bolts3,4,5 |
1,200 pounds per bolt |
| 5. SHEAR BOLTS | |
| Bolts embedded a minimum of 8 inches into unreinforced masonry walls and centered in a 2½-inch diameter hole filled with dry-pack or non-shrink grout. Through bolts with first 8 inches as noted above and embedded bolts as noted in item 4b.4,5,9 |
½ inch dia. = 350 pounds7,8 |
| Bolts embedded a minimum of 8 inches into unreinforced masonry walls and centered in a 2½-inch diameter hole filled with dry-pack or non-shrink grout. Through bolts with first 8 inches as noted above and embedded bolts as noted in item 4b.4,5,9 |
5/8 inch dia. = 500 pounds7,8 |
| Bolts embedded a minimum of 8 inches into unreinforced masonry walls and centered in a 2½-inch diameter hole filled with dry-pack or non-shrink grout. Through bolts with first 8 inches as noted above and embedded bolts as noted in item 4b.4,5,9 |
¾ inch dia. = 750 pounds7,8 |
| 6. INFILLED WALLS | |
| Reinforced masonry infilled openings in existing unreinforced masonry walls. Provide keys or dowels to match reinforcing. |
Same values as for unreinforced masonry walls |
| 7. REINFORCED MASONRY |
| Masonry piers and walls reinforced per San Francisco Building Code Chapter 21 |
Same values as specified in San Francisco 6 Building Code Section 2107 |
|---|---|
| 8. REINFORCED CONCRETE | |
| Concrete footings, walls and piers reinforced as specified in San Francisco Building Code Chapter 19 and designed for tributary loads |
Same values as specified in San Francisco Building Code Chapter 196 |
| 1 A one-third increase in allowable stress is not allowed, except as noted. | |
| 2 In addition to existing sheathing value. | |
| 3 Bolts to be ½ inch (1.27 mm) minimum in diameter. | |
| 4 Drilling for bolts and dowels shall be done with an electric rotary drill. Impact tools shall not be used for drilling holes or tightening anchors and shear bolt nuts. |
|
| 5 Embedded bolts to be tested as specified in Section 507C. | |
| 6 Stress given may be increased for combinations of load as specified in this code. | |
| 7 A one-third increase in allowable stress is allowed for short-term loading. | |
| 8 Other bolt sizes, values and installation methods may be used, provided a testing program is conducted in accordance with Section 515C. Bolt spacing shall not exceed 6 feet (1.83 m) on center and shall not be less than 12 inches (0.305 m) on center. |
|
| 9 Tension and shear from seismic loads need not be assumed to act simultaneously. |
| NEW MATERIALS OR CONFIGURATIONS OF MATERIALS |
1 ALLOWABLE VALUES |
|---|---|
| 10 Values and limitations are for nailed plywood. Higher values may be used for other approved fastening systems such as staples when approved by the Building Official. |
|
| 11 Plate size may be reduced to not less than 9 square inches (5805 mm2), provided the bearing stress on the masonry at design load does not exceed 60 pounds per square inch, psi (414 kPa). |
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Chapter 5D PARAPETS AND APPENDAGES – RETROACTIVE PROVISIONS
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- 1604.4 Analysis. Any system or method of construction to be us…
- A401.1 Purpose
- A401.2 Scope. Omit.
- A403.1 General. All modifications required ... the building co…
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- A403.3 Design base shear and design parameters. ... Despite an…
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- 329.1 General.
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- 10.1 Code-Based Site Classification
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- 330.12 Revise item (1) as follows:
- 330.12 Uses Not Permitted. Type MC cable shall not be used und…
- 330.108 Revise this section as follows:
- 330.108 Equipment Grounding Conductor. Where Type MC cable is …
- 334.10 Revise Item (2) as follows:
- 334.10 Uses permitted.
- 334.12 Add Items (11), (12) and (13) as follows:
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- 340.10 Revise Item (1) as follows:
- 340.10 Uses Permitted. Type UF cable shall be permitted as fol…
- 348.10 Revise this section as follows:
- 348.10 Uses Permitted. FMC shall be permitted to be used in [ …
- 350.10 Revise the first sentence as follows:
- 350.10 Uses Permitted. LFMC shall be permitted to be used [ ← …
- 352.10 Revise Item (A) as follows:
- 352.10 Uses Permitted. The use of PVC conduit shall be permitt…
- 355.10 Revise Item (A) as follows:
- 355.10 Uses Permitted. The use of RTRC shall be permitted in a…
- 356.10 Revise the first sentence of this section and item (5) …
- 356.10 Uses Permitted. LFNC shall be permitted to be used in e…
- 358.12 Add Item (3) as follows:
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- 362.10 Revise Item 6 and delete Items 1, 2, 4, 5, 7, 8 and 9 a…
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- 378.12 Add Item (6) as follows:
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- 411.5 Revise Section 411.5(A) as follows:
- 411.5 Specific Location Requirements.
- 760.46 Revise this section as follows:
- 760.46 NPLFA Circuit Wiring. Installation of non-power-limited…
- 760.180 Add the following new section:
- 760.180 System Requirements.
- Section 304 — STRUCTURAL DESIGN LOADS AND EVALUATION AND DESIGN
- Section 314 — EXISTING HIGH-RISE BUILDINGS [SFM]
- Section 324 — RESERVED
- Section 325 — RESERVED
- Section 326 — EXISTING BUILDINGS OR OTHER STRUCTURES LOCATED O…
- Section 327 — WORK PRACTICES FOR LEAD-BASED PAINT ON PRE-1979 …
- Section 328 — ASBESTOS INFORMATION AND NOTICE
- Section 329 — EARTHQUAKE EVALUATION OF PRIVATE SCHOOL STRUCTURES
- 405.2 Revise this section as follows:
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- Section 501 — GENERAL
- Section 502 — ADDITIONS
- Section 503 — ALTERATIONS
- Section 506 — CHANGE OF OCCUPANCY
- Section 508 — MOVED STRUCTURES
- Section 501B — PURPOSE
- Section 502B — SCOPE
- Section 503B — DEFINITIONS
- Section 504B — COMPLIANCE REQUIREMENTS
- Section 505B — ADMINISTRATION
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- Section 507B — ENERGY CONSERVATION
- Section 501C — PURPOSE
- Section 502C — SCOPE
- Section 503C — DEFINITIONS
- Section 504C — SYMBOLS AND NOTATIONS
- Section 505C — GENERAL REQUIREMENTS
- Section 506C — MATERIALS REQUIREMENTS
- Section 507C — QUALITY CONTROL
- Section 508C — ALLOWABLE DESIGN VALUES
- Section 509C — SELECTION OF PROCEDURE
- Section 510C — GENERAL PROCEDURE
- Section 511C — SPECIAL PROCEDURE
- Section 512C — ANALYSIS AND DESIGN
- Section 513C — DETAILED SYSTEM DESIGN REQUIREMENTS
- Section 514C — IN-PLACE MASONRY SHEAR TESTS
- Section 515C — TEST OF ANCHORS IN UNREINFORCED MASONRY WALLS
-
▸ Section 516C — POINTING OF UNREINFORCED MASONRY WALLS
- Section 501D — GENERAL
- Section 502D — CORRECTION OF HAZARDOUS PARAPETS AND APPENDAGES
- Section 503D — VARIANCE PROCEDURE
- Section 504D — UNREINFORCED MASONRY PARAPETS AND APPENDAGES
- Section 501E — PURPOSE AND INTENT
- Section 502E — SCOPE
- Section 503E — DEFINITIONS
- Section 504E — COMPLIANCE REQUIREMENTS
- Section 505E — PROGRAM IMPLEMENTATION AND ADMINISTRATION; FEE
- Section 506E — ENGINEERING CRITERIA FOR EVALUATION AND RETROFIT.
- Section 501F — GENERAL REQUIREMENTS AND SCOPE
- Section 502F — DEFINITIONS
- Section 503F — INSPECTION SCHEDULE
- Section 504F — FACADE INSPECTION AND MAINTENANCE CRITERIA AND …
- Section 505F — INSPECTION REPORTS.
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- Section 507F — COMPLIANCE, ENFORCEMENT AND ABATEMENT.
- 501G.1 Intent. This Chapter 5G is intended to advance public s…
- 501G.2 Definitions. In addition to the definitions in San Fran…
- 501G.3 Subject Buildings. The building inventory assessment re…
- 501G.4 Exemptions for Certain Concrete Buildings. Concrete Bui…
- 502G.1 Screening Process. The owner of each subject building s…
- 502G.2 Screening Form. Within six months of the effective date…
- 502G.3 Concrete Building Website. The Department shall maintai…
- Section 101 — GENERAL
- Section 202 — DEFINITIONS
- Section 301 — GENERAL
- Section 302 — MIXED OCCUPANCY BUILDINGS
- Section 303 — PHASED PROJECTS
- Section 304 — VOLUNTARY TIERS
- Section 305 — [OSHPD 1] – CALGREEN TIER 1 AND CALGREEN TIER 2
- Section 306 — [ ← ] – VOLUNTARY MEASURES
- Section 4.101 — GENERAL
- 4101.1 Revise the section as follows:
- Section 4.104 — [ ← ] HISTORIC PRESERVATION
- Section 4.105 — [ ← ] DEMOLITION OF EXISTING STRUCTURES
- Section 4.106 — SITE DEVELOPMENT
- Section 4.201 — GENERAL
- Section 5.101 — GENERAL
- Section 5.103 — [ ← ] – REQUIREMENTS FOR GROUP A, B, I, E and …
- Section 5.104 — [ ← ] – HISTORIC PRESERVATION
- Section 5.105 — [ ← ] DEMOLITION OF EXISTING STRUCTURES
- Section 5.106 — SITE DEVELOPMENT
- Section 5.201 — GENERAL
- Section 701 — GENERAL
- Section 702 — QUALIFICATIONS
- 703.1 Modify the section as follows:
- 703.1 Documentation. Documentation used to show compliance wit…
- Section 101.0 — TITLE
- 101.1 Revise this section as follows:
- 101.1 Title. This document shall be known as the [ ← ] 2022 Sa…
- Section 103.0 — DUTIES AND POWERS OF THE AUTHORITY HAVING JURI…
- 103.1 Revise the first paragraph as follows:
- 103.1 General. The Authority Having Jurisdiction shall be the …
- 103.4 Revise the first paragraph as follows:
- 103.4 Right of Entry. [ ← ] When it is necessary to make an in…
- 103.5 Add the following section:
- 103.5 Authority Having Jurisdiction May Adopt Rules and Regula…
- 103.6 Add the following section:
- 103.6 Code Revisions. The Authority Having Jurisdiction shall …
- Section 104.0 — PERMITS
- 104.2 Add item (6) as follows:
- 104.3 Replace this section as follows:
- 104.3 Application for Permit. [ ← ] Applications for permits t…
- 104.4 Replace this section as follows:
- 104.4 Permit Issuance. [ ← ] Permit processing and issuance fo…
- 104.5 Replace this entire section including subsections with t…
- Section 106.0 — VIOLATIONS AND PENALTIES
- 106.0 Add the following three sections:
- 106.7 Violations. Any person, the owner or the owner’s authori…
- 106.8 Any person, the owner or the owner’s authorized agent, w…
- 106.9 It shall be unlawful for any person to interfere with th…
- Section 107.0 — BOARD OF APPEALS
- 107.0 Replace this title and entire section as follows:
- 107.0 [ ← ] Board of Examiners. Applicants may appeal decision…
- Section 302.2 — ALTERNATE MATERIALS AND METHODS OF CONSTRUCTION
- Section 504.3 — DOMESTIC RANGE
- 504.3 Add a second paragraph as follows:
- Section 802.2 — CONNECTION TO VENTING SYSTEMS
- Section 802.6 — GAS VENTS
- Section 802.8 — THROUGH-THE-WALL VENT TERMINATIONS
- 802.8 Revise the first sentence of this section and add an exc…
- 802.8 Through-the-Wall Vent Termination. A mechanical draft ve…
- Section 925.0 — INCINERATORS AND CREMATORIES
- 925.1 Add the following sentence as a second paragraph:
- Section 1013.0 — INSPECTIONS AND TESTS
- 1013.1 Revise this section as follows:
- 1013.1 General. An installation for which a permit is required…
- 1013.2 Revise this section as follows:
- 1013.2 Operating Permit.
- 1013.3 Revise this section as follows:
- 1013.3 Maintenance Inspection. The Authority Having Jurisdicti…
- 1013.7 Revise the second paragraph as follows:
- Section 101.0 — GENERAL
- 101.1 Revise this section as follows:
- 101.1 Title. This document shall be known as the “ [ ← ] 2022 …
- Section 103.0 — DUTIES AND POWERS OF THE AUTHORITY HAVING JURI…
- 103.1 Replace the third paragraph with the following:
- 103.4 Revise the first paragraph of this section as follows:
- 103.4 Right of Entry. Where it is necessary to make an inspect…
- 103.5 Add the following section:
- 103.5 Rules and Regulations. The Authority Having Jurisdiction…
- 103.6 Add the following section:
- 103.6 Code Revisions. The Authority Having Jurisdiction shall …
- 103.7 Add the following section:
- 103.7 Modifications. When there are practical difficulties inv…
- Section 104.0 — PERMITS
- 104.1 Add the following as the second paragraph of this section:
- 104.2 Replace Section 104.2(1) and the first paragraph of Sect…
- 104.2 Exempt Work. A permit shall not be required for the foll…
- 104.3 Replace this section as follows:
- 104.3 Application for Permit. [ ← ] Permit applicants shall fi…
- 104.4 Add a new second paragraph to this section as follows:
- 104.5 Replace this section as follows:
- 104.5 Permit Fees. [ ← ] Before any permit is issued, the appl…
- Section 105.0 — INSPECTIONS AND TESTING
- Section 106.0 — VIOLATIONS AND PENALTIES
- 106.3 Replace this section as follows:
- 106.3 Penalties. [ ← ] Any person, the owner or the owner’s au…
- 106.5 Revise this section as follows:
- 106.5 Authority to Disconnect Utilities in Emergencies. The Au…
- Section 107.0 — BOARD OF APPEALS
- 107.0 Replace this title and the entire section as follows:
- Section 108.0 — ABATEMENT OF PUBLIC NUISANCE
- 108.0 Abatement of Public Nuisance. In order to abate a nuisan…
- Section 109.0 — REPAIRS TO DEFECTIVE BUILDING SEWERS
- 109.0 Repairs to Defective Building Sewers
- 109.1 General. Any defective building sewer found to be a nuis…
- 109.2 Cost of Repairs by City and County of San Francisco. Whe…
- 109.3 Plumbing Building Sewer Revolving Fund. A special revolv…
- 109.4 Assessment for Costs. The Authority Having Jurisdiction …
- Section 201.0 — GENERAL
- 201.1 Add the following to the end of the first sentence:
- Section 204.0 — B
- 204.0 Add the following definition:
- Section 208.0 — F
- 208.0 Add the following definition:
- Section 216.0 — N
- Section 218.0 — P
- 218.0 Revise this definition as follows:
- Section 221.0 — S
- 221.0 Add the following definition:
- Section 313.0 — HANGERS AND SUPPORTS
- 313.9 Add the following section:
- 313.9 Materials.
- Section 405 — PROHIBITED FIXTURES
- Section 415.0 — DRINKING FOUNTAINS
- 415.2 Add the following section:
- Section 504.0 — WATER HEATER REQUIREMENTS
- 504.1 Add the following as the first paragraph of this section:
- 504.1 Location. Water Heaters mounted on the exterior of a bui…
- Section 603.0 — CROSS-CONNECTION CONTROL
- 603.1 Add a third paragraph to this section as follows:
- 603.2 Revise Table 603.2 as follows:
- Section 604.0 — MATERIALS
- 604.1 Add the following sentence to the end of the second para…
- Section 606.0 — VALVES
- 606.2 Revise this section as follows:
- 606.2 Fullway Valve. A fullway valve controlling outlets shall…
- 606.3 Revise this section as follows:
- 606.3 Multidwelling Units. In multidwelling units, one or more…
- 606.5 Revise this section as follows:
- 606.5 Control Valve. A control valve shall be installed immedi…
- 606.11 Add the following section:
- 606.11 Backflow Assembly. All buildings four stories or more i…
- Section 609.0 — INSTALLATION, TESTING, UNIONS AND LOCATION
- Section 701.0 — GENERAL
- Section 706.0 — CHANGES IN DIRECTION OF DRAINAGE FLOW
- 706.4 Revise this section as follows:
- 706.4 Vertical to Horizontal. Vertical drainage lines connecti…
- Section 710.0 — DRAINAGE OF FIXTURES LOCATED BELOW THE NEXT UP…
- Section 901.0 — GENERAL
- 901.1 Add the following second paragraph to this section:
- Section 907.0 — VENT STACKS AND RELIEF VENTS
- 907.1 Revise the first sentence of this section as follows:
- 907.1 Drainage Stack. Each drainage stack that extends [ ← ] s…
- 907.3 Add the following section:
- 907.3 Vent Stacks and Relief Vents. Every building in which pl…
- Section 911.0 — CIRCUIT VENTING
- 911.0 Revise this section as follows:
- 911.0 Circuit Venting. Circuit venting is not permitted unless…
- 1001.3 Add the following section:
- 1001.3 Placement and Minimum Size of Building Traps. The build…
- Section 1008.0 — BUILDING TRAPS
- 1008.1 Revise this section as follows:
- 1008.1 General. Building traps shall not be installed except w…
- Section 1016.0 — SAND INTERCEPTORS
- 1016.3 Add the following section:
- Section 1101.0 — GENERAL
- Section 1208.0 — GAS PIPING SYSTEM DESIGN, MATERIALS, AND COMP…