9227 4TH AVE W 2024-08-12 - Laserfiche WebLink

6/14/23,,3:07 PM Chapter 7 Fire and Smoke Protection Features,2021 Washington State Building Code I UpCodes Outer layer joints taped and finished with compound.Nail heads covered with joint compound.0.035 inch(No.20 galvanized sheet gage)corrugated galvanized steel wall ties 3/4"by 65/8"attached to each stud with two 8d coolers or wallboards nails every sixth course of bricks. 2"x 6"fire-retardant-treated wood studs 16"on center. Interior face has two layers of 5/8"Type X gypsum with the base layer placed vertically and attached with 6d box nails 12"on center.The face layer is placed horizontally and attached with 8d box nails 8"on center at joints and 12"on center elsewhere.The exterior face has a base layer of 5/8"Type X gypsum sheathing placed vertically with 6d box nails 8"on center at joints and 12"on center elsewhere.An approved building paper is next applied,followed by self- 15-1.61,m furred exterior lath attached with 21/2",No. 12 gage galvanized roofing nails with a 3/8"diameter head — — 81/4 and spaced 6"on center along each stud.Cement plaster consisting of a 1/2"brown coat is then applied. The scratch coat is mixed in the proportion of 1:3 by weight,cement to sand with 10 pounds of hydrated lime and 3 pounds of approved additives or admixtures per sack of cement.The brown coat is mixed in the proportion of 1:4 by weight,cement to sand with the same amounts of hydrated lime and approved additives or admixtures used in the scratch coat. 2"x 6"wood studs 16"on center.The exterior face has a layer of 5/8"Type X gypsum sheathing placed vertically with 6d box nails 8"on center at joints and 12"on center elsewhere.An approved building paper is next applied,followed by 1"by No.18 gage self-furred exterior lath attached with 8d by 21/2"- long galvanized roofing nails spaced 6"on center along each stud.Cement plaster consisting of a 1/2" scratch coat,a bonding agent and a 1/2"brown coat and a finish coat is then applied.The scratch coat is mixed in the proportion of 1:3 by weight,cement to sand with 10 pounds of hydrated lime and 3 pounds 15-1.71,m of approved additives or admixtures per sack of cement.The brown coat is mixed in the proportion of 1:4 — — 83/8 by weight,cement to sand with the same amounts of hydrated lime and approved additives or admixtures used in the scratch coat.The interior is covered with 3/8"gypsum lath with 1"hexagonal mesh of 0.035 inch(No.20 B.W.gage)woven wire lath furred out 5/16"and 1"perlite or vermiculite gypsum plaster.Lath nailed with 11/8'by No.13 gage by 19/64"head plasterboard glued nails spaced 5"on center. Mesh attached by 13/4"by No.12 gage by 3/8"head nails with 3/8"furrings,spaced 8"on center.The plaster mix shall not exceed 100 pounds of gypsum to 21/2 cubic feet of aggregate. 2"x 6"wood studs 16"on center.The exterior face has a layer of 5/8"Type X gypsum sheathing placed vertically with 6d box nails 8"on center at joints and 12"on center elsewhere.An approved building paper is next applied,followed by 11/2"by No. 17 gage self-furred exterior lath attached with 8d by 21/2"- long galvanized roofing nails spaced 6"on center along each stud.Cement plaster consisting of a 1/2" scratch coat and a 1/2"brown coat is then applied.The plaster may be placed by machine.The scratch 15-1.81,m coat is mixed in the proportion of 1:4 by weight,plastic cement to sand.The brown coat is mixed in the — — 83/8 — proportion of 1:5 by weight,plastic cement to sand.The interior is covered with 3/8"gypsum lath with 1" hexagonal mesh of No.20-gage woven wire lath furred out 5/16"and 1"perlite or vermiculite gypsum plaster.Lath nailed with 11/8"by No. 13 gage by 19/64'head plasterboard glued nails spaced 5"on center. Mesh attached by 13/4"by No.12 gage by 3/8"head nails with 3/8"furrings,spaced 8"on center.The plaster mix shallnot exceed 100 pounds of gypsum to 21/2 cubic feet of aggregate. 15-1.9 4"No. 18 gage,nonload-bearing metal studs, 16"on center,with 1"Portland cement lime plaster — — 61/2d — (measured from the back side of the 3/4-pound expanded metal lath)on the exterior surface.Interior surface to be covered with 1"of gypsum plaster on 3/4-pound expanded metal lath proportioned by https.//up.codes/viewer-export/washington/wa-building-code-2021/chapter/7/fire-and-smoke-protection-features#721.1 / 11/28