1999-177B - Laserfiche WebLink

Home Browse Search

• a m their entire length with a minimum cover of 5/811 on exterior side of walls, 1/21, elsewhere. Lap reinforcing a minimum of €". Cut or interrupt joint reinforcement at control and expansion joints, unless otherwise indicated. r Reinforce walls with continuous horizontal joint reinforcing unless specifically noted to be omitted. Reinforce the following walls with continuous horizontal joint reinforcement: Hollow concrete masonry walls. Space continuous horizontal reinforcement as f011aws: pr single-wvthe walls,- space reinforcement at 161" o.c. vertically, unless otherwise indicated. For of space reinforcement at 81" o.c. vertically, unless otherwise indicated. Reinforce masonry openings greater than 11-0" wide, with horizontal joint reinforcement placed in 2 horizontal joints approximately 8"" apart, immediately above the lintel and immediately below the sill. Extent reinforcement a minimum of 2'-0" beyond jambs of the opening except at control joints. In addition to wall reinforcement, provide additional reinforcement at openings as required to comply with the above. LINTELS: Provide precast or formed -in-place masonry lintels. Cure precast lintels before handling and installation. Temporarily support formed -in-place lintels. For hollow concrete masonry unit walls, use specially farmed U-shaped lintels units with reinforcement bars placed as shown filled with coarse grout. Provide minimum bearing of 81" at each jamb, unless otherwise indicated. XNSTALLATION P -E REINFORCED UNIT MASONRY: Refer to Division -4 Sections "Reinforced Unit Masonry" for installation requirements applicable to reinforced unit masonry. FIELD QUALITY CONTROL Contractor shall employ, at his own expense, a testing laboratory experienced in performing types of masonry field 04200-7