\* \* \* \* \* \* \* \*

READ AND **REMOVE THIS PAGE** BEFORE PLACING

THE SPECIFICATION SECTION IN THE CONTRACT

\* \* \* \* \* \* \* \*

[DIVISION 6: WOOD AND PLASTICS]{.underline}

SECTION 06112 ‑ LIGHT WOODEN STRUCTURES FRAMING

USE: Furnishing and installing \"stick‑built\" wood framing for
buildings.

**NOTES TO SPECIFIER:**

A. Options within paragraphs are identified by enclosure in brackets;
blank spaces enclosed by brackets \[\_\_\_\_\_\] provide for information
to be inserted, as appropriate, to individual projects.

B. **TO AVOID CONFLICTING REQUIREMENTS AND COSTLY MISTAKES,** the
specifier must edit (delete, substitute or add to the text). The
remaining paragraphs must be renumbered.

C. DELETE FOR FINAL COPY: Notes to the Specifier, located between lines
of asterisks; all \[brackets\], [underlining]{.underline}, **boldface**,
and *italics*, within the paragraphs; and this page. (Open Reveal Codes
\[alt F3\] to do this accurately.)

D. [To Edit "(Footer B)":]{.underline} (Corel 8). **ENTIRE FOOTER SHOULD
BE BOLDED.** Click in the footer and delete the "Project Name (ftr B)"
text and replace it with the **Name of the Project (upper and lower
case)**. Replace date with current MM/YY (WITHOUT BRACKETS).

E. The Guide Specifications are intended to be continuously reviewed and
revised. User's technical comments are appreciated. Also, other related
or similar specification that are written "from scratch" that could
benefit others, or other questions can be sent to NSTC A/E Group, ST
110, or call (303) 987-6868.

**DRAWING DATA REQUIRED:**

**REQUIRED SPEC MODIFICATIONS:**

[GENERAL NOTES]{.underline}

A. Whenever entire articles, paragraphs, or subparagraphs are not
applicable, the articles, paragraphs, or subparagraphs should be
deleted; when necessary, reletter or renumber articles, paragraphs, or
subparagraphs.

B. THIS GUIDE IS NOT INTENDED AS A SUBSTITUTE FOR READING THE ENTIRE
SECTION.

[TECHNICAL NOTES]{.underline}

A. 1.1B: Select or add applicable specification sections. Do not list
specification sections from Division 6.

B. 1.1C: Decide whether or not to offer the Contractor this option.

C. 1.2: Select or add applicable references.

D. 1.3A: Select applicable phrase.

E. 1.3B: Insert number of copies of shop drawings required. Normally 5
copies are required. Distribution after review is normally 1 copy to the
COR, 3 copies to the Contractor, and 1 copy to the project file.

F. 2.1: Delete framing types which do not apply to the project.

G. 3.2A: Delete \"ceiling joints\" when upper floor has trusses for roof
framing.

H. 3.2B: Delete header indication for openings that do not occur in the
project.

I. 4.1 and 4.2: When a \"lump sum\" Contract is used, delete the title
PART 4: MEASUREMENT AND PAYMENT, and both articles from this
specification section. Measurement and payment will be addressed in Part
4 of Section 01010 - Summary of Work.

**REVISIONS OF THIS SECTION:**

CSI format, editorial changes: 12/01

Metric:

Technical Update: 08/93

SECTION 06112

LIGHT WOODEN STRUCTURES FRAMING

[PART 1: GENERAL]{.underline}

1.1 SUMMARY

A. Section Includes: Furnishing and installing sawn lumber or timber,
which is shop or field-fabricated for use in this project.

B. Alternative: Where drawings indicate wood studs, the Contractor may
substitute a complete steel stud system which conforms to the wall
configuration indicated.

1.2 SUBMITTALS

A. General: Submittals shall be according to \[Section 01009 - General
Information and Requirements.\] \[and\] \[Section 01330 ‑ Submittal
Procedures.\] \[and\] \[Section 01331 - Certificates.\]

B. Shop Drawings: Submit \[[ ]{.underline}\] copies of shop drawings for
the fabricated items to be used on this project, including the following
items:

1\. Joist and beam hangers.

2\. Post caps.

3\. Post bases.

4\. Framing anchors.

5\. Rafter anchors.

6\. Reinforcing straps.

7\. Wall bracing.

1.3 QUALITY ASSURANCE

A. Manufacturers Qualifications: Shop fabricated framing shall be
manufactured by fabricators having the experience and equipment to
produce dimensionally-consistent and structurally competent units.

B. Labeling Requirements: Kiln-dried material shall be identified with
an appropriate stamp on each piece.

1\. Framing shall bear a Grading Bureau mark.

C. Failure Criteria: Not limited to the following:

1\. Necessity of additional bracing, splicing, or replacing of any
member in order to maintain structural integrity.

2\. Bowing of walls horizontally or bulging of walls vertically in
excess of l/4 inch in 8 feet‑0 inch.

3\. Settlement of walls or opening of framing, sufficient to cause
cracks in applied finishes or to preclude the proper functioning of
doors and windows.

4\. Rupture of any metal connector.

5\. Separation of members due to insufficient number of connectors being
applied or being applied in such a manner as to cause failure of the
members connected.

6\. Separation of metal joints in fabricated items.

1.4 DELIVERY, STORAGE, AND HANDLING

A. Storage: Store off the ground in a weather-protected area or cover
with protective sheeting to prevent moisture exposure.

1.5 SEQUENCING AND SCHEDULING

A. Requirements: Coordinate construction of wall and opening framing
with trades affected, e.g., electricians, sheet metal workers,
electronic controls, and telephone installers. Refer to drawings for
locations of conditions which require special construction.

B. Alignment: Prior to applying metal connectors or sheet metal items,
care shall be taken to ascertain that the members to be connected are
properly lined up with respect to each other and the remainder of the
structure.

C. Anchor Bolts: Items required to be built into concrete or masonry
shall be furnished to the respective trades at the proper times and
shall include instructions for their installation.

[PART 2: PRODUCTS]{.underline}

2.1 MATERIALS

A. Species: Framing shall be dressed and surfaced Douglas Fir or Larch.
Values listed below are the minimums allowable.

1\. Light Framing: 2 x 4 inches to 4 x 4 inches, maximum moisture
content 19 percent, grade No. 2, 1450 f.

2\. Studs Only: Maximum moisture content 19 percent, 2 x 4 inches, Grade
No. 2, 1450 f; 2 x 6 inches, grade No. 2, 1250 f.

3\. Beams 4 inches thick, 6 inches and wider: Maximum moisture content
19 percent, grade ‑ No. 2, 1450 f.

4\. Joists: Maximum moisture content 19 percent, grade No. 2, 1250 f.

5\. Posts: Maximum moisture content 19 percent, grade No. 1, 1200 f.

B. Connection Items: Furnish connection items required or shown on the
drawings for joining framing members to each other or existing
construction and to their supports.

1\. Nails: Steel wire used in the manufacture of nails and staples shall
be of commercial quality, sufficiently ductile to bend without fracture
180 degrees over a radius equal to wire diameter. General construction
l6d and 8d box. Splice plates or framing anchors l‑l/4 inches, ll gage
ring or screw shank, or cement‑coated joist hanger nails.

2\. Screws: Carbon steel composition hot or cold finished and furnished
uncoated with naturally bright finish.

3\. Bolts, Nuts and Washers: Plain, medium carbon steel, according to
ASTM A 307, furnished uncoated except that black oxide coating will be
acceptable. Electro‑deposited cadmium coating or hot‑dip zinc coating
shall be supplied when required on the drawings. Zinc coat bolts in
concrete. Nuts shall be according to ASTM A 563. Bolts and nuts shall be
free from abnormal scale, fins, seams, or other defects which may affect
their serviceability. Provide cut washers or metal and malleable-iron
washers on wood under nuts.

4\. Power Driven Staples: Steel, flat top crown.

5\. Specialty items: Metal connectors shall receive one coat of rust
inhibiting paint shop‑applied. Model sized to accept framing members
shown on framing plans, with capacity to accept improved loading.

6\. Miscellaneous Metals: True to shape, well finished, free from
imperfections, clean, and free from corrosion.

7\. Finishing Materials: Where connectors are exposed to weather
conditions, apply cadmium plating by the electro‑depositing process.
Spools of inorganic‑chloride cored wire solder of 50‑50 tin‑lead
composition, uniform in quality and free from defects that will affect
life, serviceability, or appearance. Core shall be symmetrically located
in the solder, continuous, homogeneous and uniform in cross section.

[PART 3: EXECUTION]{.underline}

3.1 PREPARATION

A. General: Lumber shall be according to AITC 115.

B. Wall Plate Anchorage: Provide sufficient anchor bolts (as specified
under 2.1B3) in the foundation or concrete floor slab to provide sill
plate anchorage 6 ft‑0 inch oc maximum. There shall be a minimum of two
bolts per piece with one bolt located within 12 inches of each end of
each piece.

1\. Plates shall be set true to level on concrete foundations. Shim as
necessary with Portland cement mortar to obtain full bearing.

C. Wall Openings: Locate accurately allowing for scheduled door or
window sizes, shim spaces, and applied trim as detailed.

D. Sill Plate Preservative: Sill plates shall be construction heart
grade Redwood or shall be pressure treated using 5 percent
pentachlorophenol solution in petroleum, according to AWPA Standard P9.

l\. Minimum net retention of preservative shall be 6 pcf, using the
empty cell pressure treating process. See Section 06311 ‑ Preservative-
Treated Lumber.

E. Lag Bolts: Drill lead holes according to the following table:

[Lag Bolt Diameter]{.underline} [Lead Hole Diameter]{.underline}

1/4 inch 5/32 inch

3/8 inch 15/64 inch

1/2 inch 5/16 inch

5/8 inch 13/32 inch

3/4 inch 1/2 inch

F. Bolts: Drill holes 1/16 inch larger than bolt diameter.

3.2 INSTALLATION

A. Floor and Ceiling Joists

1\. Minimum bearing shall be 2 inches.

2\. Joists shall be toe‑nailed to plates with two 16d or three 8d nails
or install metal connectors indicated on drawings.

3\. Six-inch minimum lap in joists over intermediate bearing will be
allowed. Require two l0d nails plus one l0d toe‑nail each side to
support.

4\. Notching of joists in top or bottom surfaces will be allowed in the
end 1/3 of span only. Notch shall not exceed 1/6 of joist depth.

B. Walls

1\. Studs shall be spaced l6 inches oc and 24 inches oc. See drawing
details for locations of each.

2\. Jamb studs shall be double, corner studs shall be triple, and
continuous from head to sill plate.

3\. Nail to sill plate with four 8d toe nails or two l6d end nails.

4\. Install nominal 2-inch firestopping between all studs at approximate
midpoint for all walls l0 feet tall or higher.

5\. Top plates shall be double, lapped at corners and anchored to
intersecting partitions.

6\. Splices in bottom member shall be over studs; in top member a
minimum of 32 inches from bottom splice.

7\. Nail lower member to studs with two l6d nails. Nail upper plate to
lower with l6d nails at 24 inches oc.

8\. Studs and cripples for openings shall be nailed together with l6d
nails at 24 inches oc. Toenail cripple to header with two 8d and stud to
plate with two l6d nails.

9\. Headers for openings shall be sized as noted below:

[HEADERS]{.underline} [MAXIMUM SPAN]{.underline}

Two 2 x 6 inches 4 ft‑0 inch (single bearing cripples each end)

Two 2 x 8 inches 5 ft‑6 inches (single bearing cripples each end)

Two 2 x l0 inches 7 ft‑9 inches (double bearing cripples each end)

Two 2 x l2 inches 8 ft‑6 inches (double bearing cripples each end)

Where specific sizes of headers are noted on the drawings, those sizes
shall supercede this list.

10\. Header material shall be spaced with continuous plywood or surfaced
lumber spacers to equal width of frame for opening.

C. Bridging

1\. Materials: Either \"X\" of l x 3 inches or solid 2-inch material
same depth as joists, and shall be installed as follows:

2\. Floors and Ceilings: One row for spans 8 feet to 16 feet, two rows
for spans over l6 feet.

3\. Ceilings Only: One row for spans 10 feet to 20 feet, two rows for
spans over 20 feet.

4\. Nail \"X\" bridging with two l0d nails at each end. Leave bottom
ends free until sheathing is applied.

5\. Use \"X\" bridging at center of span when one row is required, or at
l/3 points of span when two rows are required.

6\. Use solid bridging at all end supports and at intermediate supports.

7\. Bridging for fabricated or manufactured floor joists or floor
systems shall be installed in accordance with the approved
manufacturer\'s shop drawings.

D. Metal Connectors: Provide the number and kind indicated. Fill all
nail holes with nails provided.

E. Fasteners and Supports: Spacing of connectors shall be of the proper
size for the purpose intended and shall be installed by use of the tools
normally used in these installations.

[PART 4: MEASUREMENT AND PAYMENT]{.underline}

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

WHEN A "LUMP SUM" CONTRACT IS USED, DELETE THE TITLE PART 4: MEASUREMENT
AND PAYMENT, AND BOTH ARTICLES FROM THIS SECTION. MEASUREMENT AND
PAYMENT WILL BE ADDRESSED ON PART 4 OF SECTION 01009 - GENERAL
INFORMATION AND REQUIREMENTS OR SECTION 10101 - SUMMARY OF WORK.

WHEN NOT A "LUMP SUM" CONTRACT, SELECT THE APPLICABLE PHRASES; USE THE
"NO MEASUREMENT" PHRASE WHEN THE PAY ITEM IN THIS SECTION IS NOT
INCLUDED IN THE BID SCHEDULE.

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

4.1 METHOD OF MEASUREMENT

A. Units: The work described in this section will \[not be measured for
payment.\] \[be measured and paid for on a lump sum basis.\]

4.2 BASIS OF PAYMENT

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

WHEN NOT A "LUMP SUM" CONTRACT, SELECT APPLICABLE PHRASES; USE THE "NO
DIRECT PAYMENT" PHRASE WHEN THE PAY ITEM IN THIS SECTION IS NOT INCLUDED
IN THE BID SCHEDULE.

WHEN NOT A "LUMP SUM" CONTRACT AND PAYMENT IS TO BE MADE UNDER THIS
SECTION, SELECT THE PAY ITEM. DO NOT CHANGE THE PAY ITEM NUMBER.

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

A. Payment: \[No direct payment for the work described under this
section will be made. Consideration for this item shall be included in
the bid price for other items of the Contract.\] \[Prices and payment
will be full compensation for the work described in this section.
Payment will be made under:\]

[Pay Item]{.underline} [Pay Unit]{.underline}

06112(01) Light Wooden Structures Framing Lump Sum

END OF SECTION