Title 12 BUILDINGS AND CONSTRUCTION*
Chapter 12.06 BUILDING CODES*
12.06.030 Additional tables and footnotes adopted.
A. 1. The determination of value or valuation under any of
the provisions of this code shall be made by the plan checker. The valuation for
new construction shall be based on a factor of one hundred dollars per square
foot for standard quality construction and a factor of one hundred seventy
dollars per square foot for high quality construction. The town may require the
permit applicant to provide proof of the actual construction cost after the
project is completed. If the actual cost exceeds the valuation used to determine
permit and review fees, additional fees may be required. Valuation for purposes
of determining a demolition permit fee shall be based upon the contract price or
the fair market value of the demolition work, with a minimum fee as set forth in
Section 3.32.010.
2. The fee for inspections for which no fee is specifically
indicated shall be as set forth in Section 3.32.010. The fee for additional plan
review required by changes, additions or revisions shall be as set forth in
Section 3.32.010.
3. In addition to the above building permit fees, an
operational fee shall be paid to the town for each building permit and each
renewed building permit. The operational fee shall be as set forth in Section
3.32.010.
B. Appendix J of the 2003 International Building Code and
all future amendments and revisions thereto, relating to excavation and grading,
is amended as follows:
1. Subsection J103.2 item #2 is amended to read as follows:
An excavation below finished grade for basements and footings of a building,
retaining wall or other structure authorized by a valid building permit, unless
a drainage review is required by the Building Official. This shall not exempt
any fill made with the material from such excavation or exempt any excavation
having an unsupported height greater than five feet (1524 mm) after the
completion of such structure.
2. Subsection J103.1 Permits Required. The reference to the
Building Official shall be substituted with a reference to the Town
Engineer.
3. The Grading Plan Review Fee schedule shall be as set
forth in Section 3.32.010.
4. The Grading Permit Fee schedule shall be as set forth in
Section 3.32.010.
C. All references to the Board of Appeals shall be deemed to
refer to the Hearing Examiner system of Chapter 2.56 of the Woodway Municipal
Code. The Hearing Examiner shall have no authority relative to interpretation of
the administrative provisions of this code nor shall the hearing examiner be
empowered to waive requirements of this code. (Ord. 04-447 § 1(part),
2004)
Table No. 18-1-E Prescriptive Foundation Design
for Residential R-3 and U-1
Note: Foundation walls must not be subjected to
more than 30 PCF equivalent fluid pressure (well drained soil) nor
surcharge
|
Material Type8
|
Wall Height2,6
|
Min. Wall Thickness
|
Sill Plate Anchorage4,5
|
Required Reinforcing3Vertical
|
Required Reinforcing3Horizontal
|
|
Hollow Unit Masonry support at top of by floor system & at
bottom by slab1
|
4’ or less
|
8”
|
1/2” x 10” A.B. at 6” O.C.
|
#4 @ 4’ O.C.
|
#4 bond beam @ top, 2-#4 @ footing
|
|
Concrete under wood cripple wall and supported by
slab7
|
|
|
|
|
|
|
3’ or less
|
6”
|
1/2” x 10” A.B. at 6” O.C.
|
#4 @ 18” O.C.
|
#4 @ top and 2-#4 @ footing
|
|
4’ or less
|
8”
|
1/2” x 10” A.B. at 6” O.C.
|
#4 @ 16” O.C.
|
#4 @ top and 2-#4 @ footing
|
|
Over 4’
|
Not allowed unless an engineered design is submitted and
approved
|
Not allowed unless an engineered design is submitted and
approved
|
Not allowed unless an engineered design is submitted and
approved
|
Not allowed unless an engineered design is submitted and
approved
|
|
Concrete supported at top by floor system & at bottom by
slab1
|
|
|
|
|
|
|
9’ or less
|
8”
|
1/2” x 10” A.B. at 6” O.C.
|
#4 @ 16” O.C.4,6
|
#4 @ top 16” O.C. and 2-#4 @ footing
|
|
Over 9’
|
Not allowed unless an engineered design is submitted and
approved
|
Not allowed unless an engineered design is submitted and
approved
|
Not allowed unless an engineered design is submitted and
approved
|
Not allowed unless an engineered design is submitted and
approved
|
1. Where there is no slab at bottom of wall as in a crawl
space, maximum unbalanced backfill shall be thirty inches unless an alternate
design is approved.
2. The floor diaphragm shall be completed before backfilling
or the foundations wall sufficiently braced to prevent damage by the
backfill.
3. This table is not intended to prevent temperature and
shrinkage cracks. Reinforcing steel shall be placed within the inside half of
the wall and not closer than three-fourths inch clear from the inside face of
the wall. Concrete against earth shall be spaced a minimum of three inches from
the soil.
4. Solid block first two joist spaces adjacent to anchor
bolts where floor joists are parallel to the wall.
5. There shall be a minimum of two anchor bolts per
foundation (sill) plate with one bolt located within twelve inches of each end
of each foundation (sill) plate. Foundation plates and sills shall be the kind
of wood specified in Section 2317.4.
6. Wall height is measured as the vertical distance from the
top of the footing to the top of the concrete wall.
7. If the slab is eliminated, a special design is required
regardless of the backfill height.
8. Minimum four-inch perforated footing drains are required
at all footings. All roof drains must be tight-lined to a public drainage system
or an approved on-site system through smooth nonperforated drain-line. The
footing drains may connect into the roof drain-line downhill from the last roof
drain connection and where the invert elevation of the roof drain-line is two
inches lower than the invert of the footing drain. The roof drain-line size must
be increased one pipe size where the footing drains connect into it.
C. Section 1923.10.3 of the 1997 Edition of the Uniform
Building Code is hereby amended to read as follows:
Seismic Zones 2, 3 and 4. Structural plain concrete members
are not permitted in buildings located in Seismic Zones 2, 3 and 4.
EXCEPTIONS:
1. Footings for buildings of Group R, Division 3 or Group U,
Division I Occupancy constructed in accordance with Table 18-1-C and Table
18-1-E.
2. Nonstructural slabs supported directly on the ground or by
approved structural systems.
D. Appendix Chapter 33 of the 1997 Uniform Building Code and
all future amendments and revisions thereto, relating to excavation and grading
is amended as follows:
1. Subsection 3306.2, Exempted work, is amended to read as
follows: An excavation below finished grade for basements and footings of a
building, retaining wall or other structure authorized by a valid building
permit, unless a drainage review is required by the Building Official. This
shall not exempt any fill made with the material from such excavation or exempt
any excavation having an unsupported height greater than five feet (1524 mm)
after the completion of such structure.
2. Subsection 3309.1, Grading Permit Requirements, is amended
to read as follows:
All requests for grading permits shall be submitted to the
Town Engineer for review and approval prior to issuance.
3. The Grading Plan Review Fee schedule shall be as set forth
in Section 3.32.010.
4. The Grading Permit Fee schedule shall be as set forth in
Section 3.32.010. (Ord. 04-431 § 9, 2004; Ord. 99-365 § 1, 1999; Ord.
98-344 § 1)