DSLBD Office Fit Out - Broughton Construction Company
DSLBD Office Fit Out - Broughton Construction Company
DSLBD Office Fit Out - Broughton Construction Company
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SECTION 06 10 00 - ROUGH CARPENTRY<br />
PART 1 - GENERAL<br />
1.01 SUMMARY<br />
A. Work Included: Rough carpentry as shown on the drawings.<br />
1.02 QUALITY ASSURANCE<br />
A. Grade Marks:<br />
1. Lumber grade mark stamps shall contain following:<br />
a. Symbol of grading agency certified by Board of Review of American Lumber Standards<br />
Committee<br />
b. Mill number or name<br />
c. Grade of lumber<br />
d. Species or species grouping or combination designation<br />
e. Rules under which graded were applicable<br />
f. Condition of seasoning at time of manufacture<br />
i) S-GRN: Unseasoned<br />
ii) S-DRY: Maximum Moisture Content 19%<br />
iii) MC-15 or KD: Maximum Moisture Content 15%<br />
PART 2 - PRODUCTS<br />
2.01 MATERIALS<br />
A. Lumber: PS-20; graded in accordance with established Grading Rules.<br />
1. Maximum Moisture Content: 19%<br />
2. Lumber shall be S4S dressed, unless otherwise indicated.<br />
B. Plywood: PS 1; bearing grade trademark of American Plywood Association.<br />
C. Treated Wood:<br />
1. Fire Retardant Treatment:<br />
a. Provide materials which comply with UL surface burning characteristics, Type A in<br />
accordance with requirements of AWPA Standards C20 for lumber and C27 for plywood<br />
and kiln dried after treatment KDAT as a minimum.<br />
b. Fire retardant chemical shall be free of halogens, sulfates, ammonium phosphate, and<br />
formaldehyde and shall be registered for use as a wood preservative by U.S.<br />
Environmental Protection Agency.<br />
c. Flame spread rating shall be not more than 25, when tested by ASTM E84 with no<br />
increase in flame spread and significant progressive combustion upon continuation of<br />
test for an additional 20 minutes.<br />
d. Fire retardant lumber and plywood shall have an Underwriter's Laboratory stamp FR-S.<br />
e. Lumber shall be kiln dried to a maximum moisture content of 19% after treatment, and<br />
plywood redried to a maximum moisture content of 15% after treatment.<br />
f. Fire retardant treated wood shall have an equilibrium moisture content of not more than<br />
25% when tested in accordance with ASTM D3201 at 95% relative humidity.<br />
2. Preservative Treatment:<br />
a. Provide materials which comply with requirements of AWPA LP-2 as a minimum.<br />
ROUGH CARPENTRY 06 10 00-1
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