468 West 23 rd Street, Borough of Manhattan How to Testify Via - PowerPoint PPT Presentation

July 14 th , 2020 Name of Landmark Building Type of Presentation Month xx, year Public Hearing The current proposal is: Preservation Department – Item 3, LPC-20-09535 468 West 23 rd Street, Borough of Manhattan How to Testify Via Zoom: https://us02web.zoom.us/j/89088348352?pwd=b2FRd3VaUjlZMDl3TUt6RjlmVmExUT09 Meeting ID: 890 8834 8352 Note : If you want to testify on an item, join the Password: 866423 Zoom webinar at the agenda’s “Be Here by” time (about an hour in advance). When the Chair By Phone: 1 646-558-8656 indicates it’s time to testify, “raise your hand” via US (New York) 877-853-5257 (Toll free) the Zoom app if you want to speak (*9 on the US 888 475 4499 (Toll free) phone). Those who signed up in advance will be called first.

468 WEST 23RD STREET APARTMENT #2F THROUGH-WALL AC GRILLE JULY 14, 2020 PRESENTATION TO LANDMARK PRESERVATION COMISSION Construction Date: 1857 Architect / Builder: Morgan Pindar (builder) Owner / Developer: Morgan Pindar Major Alteration(s): 1927 Alteration Architect(s): Not determined Style(s): Italianate Material(s): Brownstone, Stucco, Half Timber Building Type: Row House Original Use: Residential Tax Block: 720 Tax Lot: 7502 A R C H I T E C T : O S S O A R C H I T E C T U R E 1 8 0 C A R LTO N AV E N U E # 3 B R O O K LY N , N Y 1 1 2 0 5 P R O J E C T A D D R E S S : 4 6 8 W E S T 2 3 R D S T R E E T # 2 F, N E W YO R K , N Y N OT E S : P U B L I C H E A R I N G ( L P C A N D

4 6 8 W E S T 2 3 R D S T R E E T S I T E I N F O R M AT I O N AREA OF NEW WORK: APARTMENT 2F AREA OF CORRIDOR AND STAIRS 2 3 R D S T R E E T CHELSEA HISTORIC DISTRICT EXTENSION LP- 1 E U 23RD STREET BETWEEN 9TH AND 10TH AVENUES 4 N 5 ' E V A 22' H T 0 1 HEIGHT: 57'-0" 4 STORIES, " 4 - ' 5 6 PLOT PLAN 2 NTS A R C H I T E C T : O S S O A R C H I T E C T U R E 1 8 0 C A R LTO N AV E N U E # 3 B R O O K LY N , N Y 1 1 2 0 5 P R O J E C T N A M E : T H R O U G H - WA L L A C G R I L L E D R AW I N G N U M B E R : A - 0 0 1 P R O J E C T A D D R E S S : 4 6 8 W E S T 2 3 R D S T R E E T # 2 F, N E W YO R K , N Y N OT E S : P U B L I C H E A R I N G ( L P C A N D

4 6 8 W E S T 2 3 R D S T R E E T E X I S T I N G P H OTO S EXISTING - VIEW OF WINDOW AC EXISTING - VIEW FROM STOOP 2 3 APARTMENT #2F APARTMENT #2F A R C H I T E C T : EXISTING - VIEW FROM STOOP O S S O A R C H I T E C T U R E 4 468 WEST 23RD STREET - EXISTING FACADE 1 1 8 0 C A R LTO N AV E N U E # 3 B R O O K LY N , N Y 1 1 2 0 5 P R O J E C T N A M E : T H R O U G H - WA L L A C G R I L L E D R AW I N G N U M B E R : A - 0 0 2 P R O J E C T A D D R E S S : 4 6 8 W E S T 2 3 R D S T R E E T # 2 F, N E W YO R K , N Y N OT E S : P U B L I C H E A R I N G ( L P C A N D

4 6 8 W E S T 2 3 R D S T R E E T P R O P O S E D F L O O R P L A N S 15'-9" LIGHT AND AIR CALCULATIONS LIVING & KITCHEN: 370 SF LIGHT REQ(10%): 37 SF PROPOSED: 38 SF > 37 SF - OK AIR REQ(5%): 18.5 SF PROPOSED: 19 SF > 18.5 SF - OK 4'-0" S 3'-2" SS UP PROVIDE EXISTING FAR TO BE SUPPORT FOR RECATEGORIZED AS MECH. FAN CLOSET AND FAR TRANSFERRED SEE DIAGRAMS FOR OPEN TO BELOW CALCULATIONS 25'-7" LIVING 1-02 SEE MECH. 10'-11" PLANS 10'-8" 10'-2" LIGHT AND AIR CALCULATIONS STAIR STRINGER - BEDROOM: 175 SF S (2)1.75x11.25 2-01A JAMB LIGHT REQ(10%): 17.5 SF 17'-2" PROPOSED: 38 SF > 17.5 SF - OK MECH. CL AIR REQ(5%): 8.75 SF PROPOSED: 19 SF > 8.75 SF - OK 3'-2" 14'-0" 5'-10" 7'-3" S OPEN, 42" GLASS GAURDRAIL S DN PRIVACY CURTAIN GFI 2'-6" FLITCH PLATE AT 16" U.C. 3'-0" 20'-11" O.C.=(2)1.75x7.25 LVL WITH FREEZER 2'-8" FAR FROM NEW MECH. CLOSET .375x7 STEEL PLATE, DOUBLE TRANSFERRED, SEE DIAGRAMS FLITCH PLATE AT EDGE FZ-1 FOR CALCULATIONS BEDROOM SS S 2-01 S DW-1 FAN GFI NEW ELEC. DW S PROVIDE 9'-8" BOX 100AMP GFI 2'-9" SSS LV-1 SUPPORT FOR 1-PHASE 11'-4" KITCHEN FAN 1-01 BATH SK-1 2-02 SINK 8'-0" 2'-9" MAIN ENTRY WC-2 S COOKTOP GFI S WALL OVEN WA-1 5'-7" 14'-0" RF-1 DR-1 2'-6" SH-1 REF COATS WA/DR GFI S 8'-7" OV-1 CT-1 SERVICE ENTRY LIGHT SWITCH 24" WIDE CLOTHES WASHER 5'-0" HD-1 UNDER CABINETS TO HAVE SHUT OFF VALVES WIC INSTALLED IN CONJUNCTION WITH WATER SENSOR VALVES CONSTRUCTION PLAN, 1ST FLOOR CONSTRUCTION 2ND FLOOR 2 1 AND INSTALLED OVER A DRIP 1/4" = 1'-0" 1/4" = 1'-0" PAN, DRYER IS NON VENTING A R C H I T E C T : O S S O A R C H I T E C T U R E 1 8 0 C A R LTO N AV E N U E # 3 B R O O K LY N , N Y 1 1 2 0 5 P R O J E C T N A M E : T H R O U G H - WA L L A C G R I L L E D R AW I N G N U M B E R : A - 0 0 3 P R O J E C T A D D R E S S : 4 6 8 W E S T 2 3 R D S T R E E T # 2 F, N E W YO R K , N Y N OT E S : P U B L I C H E A R I N G ( L P C A N D

4 6 8 W E S T 2 3 R D S T R E E T S C O P E O F WO R K SCOPE OF WORK TO INCLUDE: REMOVAL OF EXISTING WINDOW AIR CONDITIONER FACADE WORK TO INCLUDE: ONE NEW THRU-WALL AC GRILLE ABOVE EXISTING WINDOW 3'-0" PROPOSED NEW THRU-WALL AC GRILLE 1'-7" 10 12 " 6'-8" 6'-8" EXISTING WINDOW AC UNIT 1'-8" 1'-7 12 " 1'-7 12 " 1'-2" PROPOSED GRILLE EXISTING FACADE 2 A R C H I T E C T : 1 O S S O A R C H I T E C T U R E 1 8 0 C A R LTO N AV E N U E # 3 B R O O K LY N , N Y 1 1 2 0 5 P R O J E C T N A M E : T H R O U G H - WA L L A C G R I L L E D R AW I N G N U M B E R : A - 0 0 5 P R O J E C T A D D R E S S : 4 6 8 W E S T 2 3 R D S T R E E T # 2 F, N E W YO R K , N Y N OT E S : P U B L I C H E A R I N G ( L P C A N D

4 6 8 W E S T 2 3 R D S T R E E T P R O P O S E D C H A N G E TO FA C A D E A R C H I T E C T : O S S O A R C H I T E C T U R E 1 8 0 C A R LTO N AV E N U E # 3 B R O O K LY N , N Y 1 1 2 0 5 P R O J E C T N A M E : T H R O U G H - WA L L A C G R I L L E D R AW I N G N U M B E R : A - 0 0 9 P R O J E C T A D D R E S S : 4 6 8 W E S T 2 3 R D S T R E E T # 2 F, N E W YO R K , N Y N OT E S : P U B L I C H E A R I N G ( L P C A N D

T H R U - WA L L A C G R I L L D E TA I L A N D L O U V E R S P E C ESU-154S NEW 3/8" X 12" X 24" GALVANIZED STEEL PLATE LINTEL. SPACING BETWEEN CONDENSER Thinline Louver RUN 6" MIN. BEYOND OPENING ON EACH SIDE AND SLEEVE TO BE FILLED WITH Frameless ROCKWOOL OR EQUAL. MEMBRANE FLASHING TO COVER STEEL LINTEL Application and Design SEALED JOINT AROUND LOUVER WITH BACKER ROD AND RESILIENT NON HARDENING CAULK TO MATCH MORTAR. ESU-154S is a frameless ultra thinline stationary louver commonly used SPLIT SYSTEM CONDENSER PER MECHANICAL NEW CUSTOM FABRICATED LOUVER TO BE PAINTED TO MATCH BUILDING APPROVED for interior or exterior applications where high free area and low airflow EQUIPMENT SCHEDULE. INSTALL PER MFR'S SPECIFICATION. FACE OF LOUVER TO BE FLUSH WITH EXTERIOR WALL. TYPICAL resistance is required. The narrow depth makes this product ideal for INSTRUCTIONS WITH ACOUSTICAL SLEEVE. LOUVERS TO BE EXTRUDED .062", 6036-TS HORIZONTAL FIN BLADE TYPE AS installation into thru-wall air conditioning units. MANUFACTURED BY GREEEHECK, MODEL ESID-430 (LOUVER BLADE DEPTH IS 1"-1 (1) OF (4) 30 DUROMETER MASON INDUSTRIES SUPER W PADS. 1'-7" 1/2", BLADE ANGLE 40-45 DEGREES, BLADE SPACING 3/4" OPEN AREA) OR APPROVED PADS TO BE INTERPOSED BENEATH EACH CORNER OF EQUAL, PROVIDED MIN. 1/4" GAP WITH OUTER WALL AND CAULK TO MATCH MORTAR. CONDENSER UNIT AND SLEEVE. CONDENSER SHALL NOT Standard Construction 3 PROVIDE A MINIMUM GAP OF 8 " BETWEEN THE PHYSICALLY CONTACT THE SLEEVE AND EXTERIOR LOUVER. FACE OF CONDENSER UNIT AND LOUVER. Frame . . . . . . . . Frameless ACCESS DOOR IN WALL. REFER TO SEALED JOINT AROUND LOUVER WITH BACKER ROD AND ARCHITECTURAL DETAIL FOR ENCLOSURE DETAILS Blades . . . . . . . . Thinline style, heavy gauge aluminum, 0.050 in. RESILIENT NON HARDENING CAULK TO MATCH MORTAR. nominal wall thickness, positioned at 48º angles on SLOPE CHASSIS TO EXTERIOR 1/8" PER FT. approximately ¾ in. centers PROVIDE SLOPED MORTAR BED BELOW Construction . . . Mechanically fastened Finish . . . . . . . . . Mill Minimum Size . . 12 ½ in. W x 6 in. H Maximum Single Section Size . . . 96 in. W x 48 in. H Options (at additional cost) • A variety of architectural finishes including: Kynar paint Baked enamel paint Clear anodize Integral color anodize 1'-2" THRU-WALL LOUVER SPEC 2 *Width and height dimensions furnished approximately ¼ inch under size. SECTION DETAIL AT THRU-WALL 1 A R C H I T E C T : O S S O A R C H I T E C T U R E 1 8 0 C A R LTO N AV E N U E # 3 B R O O K LY N , N Y 1 1 2 0 5 P R O J E C T N A M E : T H R O U G H - WA L L A C G R I L L E D R AW I N G N U M B E R : A - 0 1 0 P R O J E C T A D D R E S S : 4 6 8 W E S T 2 3 R D S T R E E T # 2 F, N E W YO R K , N Y N OT E S : P U B L I C H E A R I N G ( L P C A N D