2522 RUCKER AVE 2018-01-01 MF Import

roof abo��e, should ix included in the allowable area calculations. The westem portion of the building(alley building)is therefore over allowable azea. Section 504. 2. The aggregate floor area of m�zzanmes v�ithin a room should be limited to one third of the floor area of the room in which they are located per Section 507. By my calculations, the following units are over area as shown (note that exterior walls and interior stairs were subtracted from tl.e equation): Unit type I-20 sq. ft. Unit type J - 12 sq. ft Unit rype L- 20 sq. ft Exterior Wall and Opening ProtecUon Type If1-1 Hour Construction 1. The exterior walls may be conswcte:d of fire-retardant-treated wood framing per Section 503.4.3 and Table 5-A. This n:quire:nent should be noted in all effected wall sections on Sheet A73. Note that the structural wood sheatt►ing will also be required to be t�re-rotazdant-treated wood and should be noted as such. For all commenu stated telow regazding exterior walls, fire-retardant-tceated wood �s ePP�Priately subsan;ted where noncombustible construcdon is indicated. 2. The doors to exterior decks within the units on the North and South walls within 20' of the property line should be shown as a 3/4 hour, self-closing fire assemblies per Section 713.6.1. Table 5-A 3. The glass block assemblies shown to be in use where opening protection is required based on distance ro property lines shall be qualified by test in accordance with UBC Standazd 7-4 and shall bG labeled for the requiied 3/4 hour fire-protecdon rating and installed in accordance with their lisdng. Glazing in fire window assemblies subject to human impact in hazardous locadons as indicated in Secdon 2406.4 shall comply with section 24063. DeGvls of assembly should be submitted. Section 713.9 4. Most of the ezterior walls (to include court walls, alcove and deck walls) are bearing walls by the definition provided for in 3ection 224. Table 5-A requires these walls be . a minimum of two-hour N/C construction. Any ezterior walls shown with less than a two-hour fice-resistive rad�:g will be required to show that no more than 1001bllineal foot superimposed load is present. 5. Based on the definidon of floor area(Secdon 207)the following comments apply: a). ff the deck alcoves on the North and South sides of the building had no decks,the alcoves would be classified as cou�ts per Secdon 204. M assumed prope►ty line would be required to be placed for opening protection requirements per Secdon 5033. 2