CITY OF MANTECA COMMUNITY DEVELOPMENT DEPARTMENT 1001 West Center Street • Manteca, CA 95337 • FAX (209) 923-8955 Building Safety Division (209) 456-8550 • Community Development/Planning Division (209) 456-8500 Attached/Detached Patio Cover/Carport
NOTE: Check with your homeowners’ association and architectural review committee for Conditions, Covenants & Restrictions (CC&R’s). The City of Manteca has no regulatory authority to enforce or notify permit applicants of CC&R requirements, nor deny permits for non-compliance.
SUBMITTAL REQUIREMENTS FOR COVERED PATIOS Refer to the drawings and information in this handout for help in preparing your submittal.
Submit two (2) sets of complete plans, plus one (1) extra copy of the site plan.
1. SITE PLAN (see Pages 3 &4) shall show: a. Lot dimensions and easements b. Existing structures (existing residence, pool, shed, etc.) and the proposed patio structure(s) and their dimensions, including square feet of each. c. Distance between the proposed patio and property lines d. Distance between the proposed patio and existing structures on the property
2. ARCHITECTURAL, STRUCTURAL and DETAIL SHEETS (see Pages 7-11) shall show: a. Foundation plan, scaled b. Framing plan, scaled, shall show size of headers (beams), size and spacing of posts, roof raft- er size and spacing, attachments to walls, roof sheathing, type of roofing, and roof pitch or slope. c. Elevations. Scaled. D. Electrical plan: Location of wall fixtures, ceiling fixtures, switches and receptacles.
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SETBACK and LOT COVERAGE REQUIREMENTS This overview is provided for reference only. Prior to building any structure or making an addi- tion or modification to any existing structure, check with the Planning Division (209.456.8500) regarding minimum required distances from property lines and other structures. Check with the Public Works Division (209.456.8400) regarding the locations of any easements.
1. The maximum area of a lot that may be cov- ered by roof structures (house, patio, garage, carport, sheds, etc.) (60) percent in the R-1 and R-2 Zoning District.
2. An attached/detached covered patio (including lattice patios) cannot be located closer than (5) five feet to a side or rear line unless one-hour fire protected then it can be (3) three feet inclusive of roof covering (overhang). The patio may not occupy more than (30) thirty percent of the required rear yard (See sample calculations on Page 4). A minimum of (10) ten feet (inclusive of roof cov- ering) from street side lot line is required. (Contact the Planning Division of the Commu- nity Development Department for property line NOTE: setbacks. The edge of the sidewalk is NOT the Permits shall not be required for one-story detached property line. The property line is normally 2 accessory structures provided the floor area is 120 square feet or less. feet in back of the sidewalk) Two detached accessory structures on the same lot will be considered as one building, no separation between those structures will be required but the 120 square feet or less exception will not apply. Therefore, a permit will be required for the grouped detached accessory structures. A maximum of two (2) detached accessory structures will be grouped as one building, additional structures must have the 10’ separation between them.
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SAMPLE SITE PLAN-CARPORT
PROPERTY LINE
10' SSJID EASEMENT
?
?
EXISTING PROPOSED
? RESIDENCE ? CARPORT ?
PROPERTY LINE PROPERTY PROPERTY LINE PROPERTY
Proposed Carport: ______SF
Existing Building Area: ______SF
Total Building Area: ______SF
Lot Area: ______SF
Lot Coverage: ______% ?
10' PUBLIC UTILITY EASEMENT
PROPERTY LINE ? STREET NAME 1) Show lot dimensions and total square footage of all covered areas (Residence, garage, car- port, covered patio, and any accessory structures). 2) Check with the Planning Division for building setback requirements. 3) Check with Public Works for location of any utility easements.
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______
(70’- 0”)
PROPERTY LINE
______(35’- 0”) 5’ MIN (3’ MIN IF FIRE RATED) ___ PROPOSED 5’ MIN (3’ MIN IF FIRE RATED) PATIO
EXISTING
RESIDENCE
PROPERTY LINE PROPERTY PROPERTY LINE PROPERTY
Proposed Patio: ______SF SAMPLE CALCULATION FOR ACTUAL REAR YARD Existing Building Area: ______SF 35’ X 70’ = 2450 SQFT ACTUAL REAR YARD Total Building Area: ______SF THEREFORE, MAX ALLOWED SQFT (MAX 30%) Lot Area: ______SF
Lot Coverage: ______% 0.30 X 2,450 = 735 SQFT
10' PUBLIC UTILITY EASEMENT PROPERTY LINE
STREET NAME
1) Show lot dimensions and total square footage of all covered areas. 2) Check with the Planning Division for building setback requirements. 3) Check with Public Works for location of any utility easements. 4) The width and depth of the proposed patio cover are measured from eave-to-eave. (Planning) SAMPLE SITE PLAN-PATIO COVERS
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SAMPLE FLOOR PLAN
______MEASUREMENT
RAFTER SPAN (DEPTH) (SEE TABLE A)
OVERHANG
______BEAM SPAN MEASUREMENT
BEAM SPAN — POST CENTERLINE TO CENTERLINE (TABLE B)
PROPOSED
PATIO EXISTINGSTRUCTURE
BEAM SPAN
OVERHANG
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SAMPLE FLOOR PLAN
MEASUREMENT
RAFTER SPAN (DEPTH) - SEE TABLE A ON PAGE 8
(SINGLE SPAN - MAX)
BEAM SPAN
MEASUREMENT PROPOSED (3 BEAMS SPAN—MAX) DETACHED PATIO
BEAM SPAN
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See Detail 1/-
Ridge Beam (One size larger than the rafter) Rafter Depth 3-10d Rafter to Ridge Ridge Strap or Rafter Collar Tie See Table A on Page 8
1”x4” min @ 4”o/c Collar Ties
Connected in the upper 1/3 of attic space See Detail 2/- (Face nail rafter with 4-10d box nails) Ceiling Joist (See Table C on Page 9)
Beam (See Table B on Page 8) Knee Brace
Rafter/Ceiling Joist - (See Detail C/11) Note: Provide Beam (See Table B on Page 8) See Table D on Page 9 in the perimeter (end wall) for knee brace connection
Detached Patio Cover Section
Rafter
2x blocking LSTA12 Or equal Ceiling Joist
Rafter/Ceiling Joist Heel Connection (See Table D on LTP4 or equal Page 9) (Rafter to Plate/ Beam Connection H1 or equal (Blocking to Plate/Beam Connection)
Detail 1 Detail 2
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TABLE A: Allowable Spans for Rafters
SIZE* SPACING SPAN
12" 9’ - 10” 2" x 4" 16" 8’ - 11” 24" 7’ - 10” 12" 15’ - 6" 2" x 6" 16" 14' - 1" 24" 11' - 11" 12" 20’ - 5" 2" x 8" 16" 18' - 5" 24" 15' - 1" 12" 26’ - 0” 2" x 10" 16" 22' - 6" 24" 18' - 5" 12" Span exceeds 26' in length 2" x 12" 16" 26' - 0" 24" 21' - 4"
TABLE B: Allowable Spans for Beams SIZE* 10' DEPTH 15' DEPTH 20' DEPTH 25' DEPTH
(2) 2” x 6” 7’ - 8” 6’ - 7” 5’ - 10” 5’ - 5”
(2) 2” x 8” 9’ - 8” 8’ -4” 7’ - 5” 6’ - 10”
(2) 2” x 10” 11’ - 10” 10’ -2” 9’ - 0” 8’ - 4”
(2) 2” x 12” 13’ - 9” 11’ - 9” 10’ - 6” 9’ - 8”
4” x 4” 5’ - 8” 4’ -10” 4’ - 4” 4’ - 0”
4" x 6" 8’ - 3" 7’ - 1” 6’ - 4” 5’ - 10”
4" x 8" 10’ -11" 9’ - 4” 8’ - 4” 7’ - 8”
4" x 10" 13’ - 4” 11’ - 5” 10’ - 2” 9’ - 5”
4" x 12" 15’ - 7” 13’ - 4” 11’ - 10” 11’ - 0”
4" x 14" 17’ - 6” 15’ - 0” 13’ - 4” 12’ - 4”
*Douglas Fir Larch #2
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TABLE C: Allowable Spans for Ceiling Joists SIZE* SPACING SPAN
12" 9’ - 10” 2" x 4" 16" 8’ - 11” 24" 7’ - 3” 12" 15’ - 0" 2" x 6" 16" 13' - 0" 24" 10' - 8" 12" 19’ - 1" 2" x 8" 16" 16' - 6" 24" 13' - 6" 12" 23' - 3" 2" x 10" 16" 20' - 2" 24" 16’ - 5” 12" 25' - 7" 2" x 12" 16" 23' - 0" 24" 21' - 4" TABLE D: Rafter/Ceiling Joist Heel Connections
RAFTER RAFTER ROOF SPAN (FEET)*
SLOPE SPACING 12 20 28 36
12" 4 6 8 10 3:12 16" 5 8 10 13 24" 7 11 15 19
12" 3 5 6 8 4:12 16" 4 6 8 10 24" 5 8 12 15
12" 3 4 5 6 5:12 16" 3 5 6 8 24" 4 7 9 12
*Required number of 16d common nails
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REQUIRED DETAILS See Page 7 for Specifications
_____" x _____" RAFTER (See Table A on Pg. 8)
ROOF ______PITCH
_____" x _____" BEAM (See Table B on Pg. 8)
MINIMUM 6' 8"
ROOF COVERING SPECIFICATIONS
1. The minimum roof pitch for asphalt shingles is 4:12; however, asphalt shingles may be installed at a pitch between 2:12 to less than 4:12 if two layers of Type 15 felt applied shingle-fashion are used and the shingles are self-sealing (2016 CBC Sect. 1507.2.2).
2. Plywood or particle board must be CC exterior or better and rated for the span being used. Nailing shall be a minimum of 8d at 6" O.C. on the edges and 12" O.C. on the field.
3. For roof pitches below 2:12, a low-sloped roofing system approved by the Building Official shall be used.
4. The details on this sheet are not meant to be used for concrete tile roof coverings.
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ROOF COVERING: ______(SEE NOTES ON PAGE 6)
FLASHING NEW ROOF EXISTING ROOF EXISTING ROOF COVERING NEW ROOF NEW ROOF 2" x ______" RAFTER 2" x ______" RAFTER COVERING COVERING WITH APPROVED HANGER WITH APPROVED HANGER at ______" O/C at ______" O/C SOLID BLOCKING SOLID BLOCKING 2" x ______" 2" x LEDGER WITH EXISTING 2" x LEDGER WITH 1/2" X 5-1/2” LAG WALL RAFTER at EXISTING 1/2" X 3" LAG BOLTS BOLTS INTO STUDS ______" O/C WALL at 16" O/C
DETAIL A
NOTE: CONNECTION TO FASCIA NOT ALLOWED WITHOUT ENGINEERING.
MINIMUM 4" x 4" POST
MINIMUM 3-1/2" APPROVED POST BASE THAT HOLDS POST 1" ABOVE THE CONCRETE CONCRETE SLAB (SIMPSON PBS44A OR EQUAL)
8”
DEPTH DETAIL B 12" WIDTH 12" SQ CONTINUOUS FOOTING—MAX SUPPORTED ROOF AREA ISOLATED FOOTING 12" SQUARE X 12” DEEP - UP TO 50 SQFT 18" SQUARE X 12” DEEP - UP TO 110 SQFT 12" WIDE x 12" DEEP — UP TO 110 SQFT MAX SUPPORTED 24" SQUARE X 12” DEEP - UP TO 200 SQFT 12" WIDE x 18" DEEP — UP TO 160 SQFT ROOF AREA 18" WIDE x 18" DEEP — UP TO 240 SQFT 30" SQUARE X 12” DEEP - UP TO 310 SQFT
DETAIL C
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