(DIABLO & SONS MEZCALERIA RESTAURANT AND BAR – FORMERLY POLLO REY MEXICAN ROTISSERIE – SOUTHWEST CORNER OF THE FIRST STORY AND BASEMENT FOOD PREPARATION ROOMS) (DRH16-00358) (2-20-19 PLAN MODIFICATION TO INSTALL VENEER STONE MASONRY COLUMN BASES SIMILAR TO THE ORIGINAL HISTORIC DESIGN AND TO REVISE THE EXTERIOR LANDING AND RAMP AT THE 8TH STREET ENTRANCE.) (2-13-18 PLAN MODIFICATION TO STRENGTHEN THE FLOOR TO SUPPORT AN OPEN-FIRE GRILLWORKS WOOD FUEL CHARBROILER LOCATED ON THE 1ST STORY ABOVE. THE STRUCTURAL CAPACITY OF THE FLOOR WAS EVALUATED WITH C4 x 4.5 CHANELS SISTERED TO EXISTING WOOD JOISTS. SPECIAL INSPECTION IS REQUIRED FOR WELDING) (1-11-18 PLAN MODIFICATION TO MAKE STRUCTURAL CHANGES TO THE EXISTING ROOF SYSTEM AND TO THE 2ND STORY FLOOR SYSTEM TO ACCOMMODATE THE GREASE DUCTS AND THE MAKE-UP AIR DUCT DESIGN THAT WAS APPROVED EARLIER AS PART OF THIS TENANT IMPROVEMENT PERMIT. THIS STRUCTURAL DESIGN WAS POSTPONED UNTIL AFTER THE ACTUAL EXISTING STRUCTURAL CONDITIONS OF THE ROOF COULD BE DETERMINED. THE WORK IS REQUIRED TO COMPLY WITH THE STRUCTURAL DESIGN AND DETAILS.) (12-13-17 PLAN MODIFICATION TO REMOVE 6 COLUMNS IN THE BASEMENT AND TO REDIRECT THE LOAD PATH TO EXISTING AND MODIFIED JOISTS AND HEADERS.) (11-20-17 PLAN MODIFICATION TO SHIFT SOME BASEMENT WALLS DUE TO CONSTRUCTION CONDITIONS AND TO UPDATE MECHANICAL DRAWINGS AND ELECTRICAL DRAWINGS.) The fire sprinkler system is used to substitute for 1-hr fire-resistance-rated construction of the building. To remodel a 2,289 square foot restaurant tenant space located on the 1st story and to expand the sidewalk seating to about 952 total square feet. The entry to the adjacent East tenant space will also be remodeled to include an entry vestibule at the exterior door. In addition, the windows of the East tenant space will be replaced with glazed vertical sliding overhead exterior doors. Work is to include interior nonbearing walls, suspended ceilings, gypsum board ceilings, sound attenuation insulation and plywood ceiling, three entry vestibules at exterior doors, maintaining an existing Type I grease hood and duct system with a listed 1-hr duct wrap system installed from the hood all the way to the exhaust fan on the roof, a modified hood make-up air system, a new Type I grease hood and duct system for solid fuel burning cooking equipment with a listed 1-hr duct wrap system installed from the hood all the way to the exhaust fan on the roof and served by the modified make-up air system, kitchen equipment, glazed vertical sliding overhead exterior doors, exterior doors, millwork, and finishes. To remodel food preparation areas in the basement (total area of about 3,000 square feet). Work is to include interior nonbearing walls, a bearing wall with a concrete footing, a new concrete floor on steel decking to replace a section of wood floor above the new grease hoods, two Type I grease hoods each served by a grease duct that becomes a common grease duct system with make-up air, a listed 1-hr grease duct wrap system continuous from the grease hoods all the way to the exhaust fan on the roof, walk-in coolers, food preparation equipment, and finishes. The changes to the roof structure required to support the added roof top equipment, improved roof access to serve new and existing roof top equipment, the chase wall through the 2nd story to accommodate ducts, and the increased exit access headroom height in the basement were all done under separate permits. The work is required to comply with the approved drawings, with the plan review report, and with all applicable codes and ordinances. The fire sprinkler system is required to comply with NFPA 13 and the fire alarm system is required to comply with NFPA 72 as regulated by the Fire Department. Separate fire sprinkler permits and fire alarm permits shall be obtained prior to beginning any modification or installation work on such systems. **CJW**