HomeMy WebLinkAbout1250 E 26 St (2)>
y Dick
T.N. Davis 180 County Road 427 S.
Consulting Engineer Suite 104
/�V IS Longwood, FL 32750
Florida Civil Engineer #7857 Telephone (407) 339-4422
1�101lCe 19f� : Florida Threshold Inspector #0927 Fax (407) 339-3984
1 15-0 IE 2 September 9, 2004
Mr. Dan Florian
Building Official
City of Sanford
300 North Park Avenue
Sanford, FL 32771
Permit #04-1
or Airport Authority Hangar #517
1250 East 26th Place
Dear Mr. Florian:
This letter shall serve as certification that the 2 -hour firewall required for the captioned project has
been installed in accordance with the attached Design No. U411, "Nonbearing Wall Rating — 2 Hr."
Should you have any questions or require any additional information, please feel free to contact me.
Sincerely,
avis,-P.E.
Florida Registration N r 7857
Special Inspector Number 0927
TND/nnn
Enclosure
cc: Spolski Construction, Inc.
DESIGN NO. IJ411
Nombearing Wall Raft - 2 1H
1. Floor & Ceiling Runner — ( not shown) — 25 MSG (min) galy s*.eel l in. high, return legs
2-1/2 in. wide (min), attached to floor and ceiling with iters 24 in. O.C.
2. Steel Studs — 2-1/2 in. wide (min), 1-1/4 in. legs, 3/8 in. return, formed of 25 MSG (min)
gals steel max stud spacing 24 in. O.C. Studs to be cut 3/4 in. less than assembly height
3. Batts and Blankets* — (Optional) — Mineral wool or glass fiber batt partially or completely
filling stud cavity. Fasten each batt to wallboard base layer with a min 9/16 in. long staple.
Use five staples for each 4 It piece. Drive one staple in the center of each piece and a staple
at each corner, approx. 3 in. firom edges.
See Batts and Blankets gWZ) category for names of Classified companies.
4. Waiffmard, Gypum* — 5/8 inthick, outer layer paper or vinyl surfaced. (Laminated System)
Ws llboard applied vertically in two layers. Inner layer attached to studs with 1 in. long Type
S steel screws spaced 8 in. O.C. along vertical edges, and 12 in. O.C. in the field and outer
layer laminated to inner layer with joint compound, applied with a notched spreader producing
continuous beads of compound about 3/8 in, in diametero spaced not greater than 2 is O.C.
Joints of laminated outer layer offset 12 in. from inner layer joints. Outer layer wallboard
attached to floor and ceiling runner track with 1=5/8 in. long Type S steel screws spaced 12 in.
O.C.
Optional, (Direct Attached System), Inner layer attached to studs with 1 in. long Type S steel
screws spaced 16 in. O.C. in the field and along the vertical edges. Outer layer attached to
the studs over the inner layer with 1-5/8 in. long Type S steel screws spaced 16 in. O.C. in
the field and along the vertical edges and 12 in. O.C. to the floor and ceiling runners. Joints
of screw -attached outer layer offset from inner layer joints. Joints of outer layer may be taped
or untapped.
Nom 3/32 in. thick gypsum veneer plaster may be applied to the entire surface of Classified
veneer baseboard. Joints reinforced.
*Bearing the UL Classification Marling