5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 1 267 Columbus - PowerPoint PPT Presentation

267 Columbus Avenue: Sidewalk Replacement 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 1

267 Columbus Avenue Sidewalk Replacement: Context 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 2

Before Collapse After Collapse 267 Columbus Avenue Sidewalk Replacement: Pre-Existing & Existing Conditions 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 3

267 Columbus Avenue Sidewalk Replacement: Conditions of Sidewalk Vault Light 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 4

Left: Sidewalk at Columbus from #267 to corner showing mainly concrete Right: Granite at #267 Sidewalk in front of 265 store showing cast-iron vault cover and granite next to building 267 Columbus Avenue Sidewalk Replacement Existing Sidewalk Conditions on Block 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 5

Left Top & Bottom: Columbus Avenue sidewalk from #265 to corner showing mainly concrete Granite sidewalk next to #261 Columbus 267 Columbus Avenue Sidewalk Replacement Existing Sidewalk Conditions on Block 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 6

Concrete sidewalk at 72 nd Street building entrance Concrete sidewalk along 72 nd Street to corner 267 Columbus Avenue Sidewalk Replacement Existing Sidewalk Conditions on Block 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 7

5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 8

~ ~ #267 #261-7 COLUMBUS .... ~. ;1 " ::\}{J:,\\):,;~1:· •'·'' ___________ .•. fa' :~ ; ... ((~:ii .. :~:: })(ii (Wf t '. :. ~ ... ·_;::r ?)?i :H~:r?Wlt }\':. -:,,:::. rt:. :I:\ii ;~;:;rs: :)::!i:; :Nf COLUMBUS AVENUE ,, ·; E~~tf;~_n CONCRETE Hffl GRANITE #261-7 COLUMBUS CAFE ··";···r ..... ·. l[ ·~.>;· ..... ":: >~,!•.-;} D CAST- IRON ({[/:;/;/ . - LIGHT VAULT r.x:·r6:~~.,,I\/Jf 8iiLr1:~11;;1tr1;:~1I:~ r 261-7 COLUMBUS AVE. PROPOSED , CONDITIONS WEST 72ND STREET SIDEWALK MARY B. DIERICKX 4/14/2017 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 9

PLAN LEGEND AREA OF WORK SYMBOL DESCRIPTION EXISTING CURB 15' ������� SIDEWALK VAULT REPAIR 5.01' PROPERTY LINE 102.17' NOTES: 1. EXISTING SITE CONDITIONS AND EXISTING UNDERGROUND UTILITIES ARE TO BE FIELD 50' 50' DETERMINED. 2. ALL SITE AND ROADWAY RESTORATIONS SHALL BE IN ACCORDANCE WITH NYC DOT CONSTRUCTION STANDARDS OR OTHERWISE NOTED OR APPROVED BY THE ENGINEER. 102.17' 3. THIS PROPERTY IS LOCATED ON BLOCK 1125, LOT 1 ACCORDING TO PROPERTY LISTS REFERENCED FROM THE NYC DEPARTMENT OF FINANCE. 4. CONTRACTOR SHALL COORDINATE STREET AND SIDEWALK WORK WITH ALL TRADES. 5. ALL UTILITY VALVE COVERS, RIMS, GRATES, ETC, TO BE MAINTAINED DURING CONSTRUCTION. 6. ALL EXISTING STREET AND SIDEWALK FURNITURE TO BE TEMPORARILY REMOVED AND RESET IN SAME LOCATIONS UPON COMPLETION OF SIDEWALK VAULT CONSTRUCTION. 7. COORDINATE THE REMOVAL AND REINSTALLATION OF PARKING METER WITH NYC DOT SCALE: 1"=20' WHERE APPLICABLE. 8. NO NEW CURB IS PROPOSED. WHERE THE EXISTING ROADWAY IS DISTURBED AS PART OF THE PROPOSED INSTALLATION, THE CONTRACTOR SHALL RESTORE THE AREAS IN KIND TO MATCH EXISTING PAVEMENT SECTION, CURB TYPE, AND EXISTING ELEVATIONS. 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 10

NOTES: 1. EXISTING STEEL BEAM SIZES SHOWN FOR REFERENCE. FIELD VERIFY SIZES AND INFORM STRUCTURAL ENGINEER IF SIZES DIFFER FROM SIZES SHOWN 6" CONCRETE CURB BY OTHERS. PRIOR TO COMMENCEMENT OF WORK. EXISTING BEAMS MAY NEED TO BE 3 4 " BENTONITE WATERSTOP REINFORCED IF FIELD VERIFIED SIZES DIFFER FROM SIZES SHOWN. ALL NEW 4" SIDEWALK CONCRETE SLAB ON EXISTING STRUCTURE LOCATIONS, ELEVATIONS AND CONDITIONS TO BE FIELD GRADE REINF W/ 6x6-W2.9xW2.9 WELD EXISTING BUILDING VERIFIED. WIRE FABRIC. FACADE APPLY PREPRUFE 300R WATERPROOFING 2. CONTRACTOR IS RESPONSIBLE FOR SHORING ALL EXISTING AND NEW MEMBRANE 0N CONCRETE SLAB. INSTALLATION PER MANUFACTURE'S STRUCTURES PRIOR TO ANY REMOVAL AND MODIFICATION OF EXISTING EXISTING TOP OF SPECIFICATIONS. FIRST FLOOR MEMBERS. NEW 6" CONCRETE SLAB ON NEW SIDEWALK SLOPE EXISTING GRANITE COMPACTED FILL REINF W/ 3. ALL EXISTING CONDITIONS AND DIMENSIONS MUST BE FIELD CONFIRMED EXISTING BUILDING TO TO MATCH EXISTING STONE TO REMAIN 6x6-W2.9xW2.9 WELD WIRE FABRIC. REMAIN (DO NOT DISTURB) PRIOR TO COMMENCEMENT OF WORK. X X 4" X X X X X EXISTING X X 6" X X X X ADJACENT 4. DO NOT OVERLOAD ANY AREAS OF EXISTING SLAB WITH REMOVED MATERIAL. EXISTING BEAM EXISTING GLASS SIDEWALK PROPERTY (FIELD VERIFY) ENCASED IN VAULT TO REMAIN CONCRETE (FIELD 5. FOR TEMPORARY LATERAL BRACING OF THE EXISTING STRUCTURE, THE 3'-0" VERIFY) TEMPORARY BRACING MEMBER SHALL RESIST 2% OF THE TOTAL VERTICAL LOAD IMPOSED INTO MEMBER. THIS LOAD SHALL BE APPLIED IN ANY 3 4 " BENTONITE WATERSTOP GROUT PERIMETER (TYP.) DIRECTION AND SHALL BE SPECIFICALLY DISTRIBUTED IN PROPORTION TO THE MASS. 5'-0" INFILL VOID WITH NEW CLEAN 6. IN THE PROCESS OF DEMOLITION, THE CONTRACTOR SHALL NOTIFY THE (FIELD VERIFY) REMOVE EXISTING DAMAGED GRANULAR GRAVEL AND SAND. ENGINEER/OWNER WHEN ENCOUNTERED/DISCOVERED ANY STRUCTURAL GLASS SIDEWALK STRUCTURE 10'-0" COMPACTED TO 95% AND COVER. ELEMENTS THAT APPEAR NOT TO BE SOUND, CORRODED AND/OR STANDARD PROCTOR DENSITY. DELAMINATED. THE CONTRACTOR SHALL STABILIZE THE STRUCTURE. EXISTING ADJACENT EXISTING GRANITE STONE PROPERTY SIDEWALK 15'-0" TO REMAIN HATCH TO REMAIN 7. COORDINATE CONSTRUCTION PHASING WITH OWNER, MAINTAINING ACCESS EXISTING VAULT INFILLED WITH AND OPERATIONAL RESPONSE TIME TO THE FACILITY TO FULLEST DEGREE SOIL EXISTING SIDEWALK CONCRETE SLAB ON POSSIBLE. GRADE TO REMAIN (DO NOT DISTURB) 8. SIDEWALK AND DRIVEWAY REPLACEMENTS SHALL BE IN ACCORDANCE WITH EXISTING BRICK WALL TO REMAIN DOT RULES AND REGULATIONS. EXISTING BUILDING BRICK WALL TO 9. CAREFULLY REMOVE AND RESET SIDEWALK TO OBTAIN PROPER DRAINAGE REMAIN EXISTING CURB SIDEWALK DEMO PLAN GRADES. RESET FILL LINE FOR ANY UTILITIES ENCOUNTERED IN WORK AREA. SCALE: 1/4"=1'-0" 10. CONTRACTOR SHALL FILE ALL NECESSARY APPLICATIONS AND OBTAIN ALL PERMITS AND APPROVALS WITH MUNICIPAL AUTHORITIES HAVING JURISDICTION. CONTRACTOR SHALL SECTION-OFF THE WORK AREA FROM PEDESTRIAN ACCESS AND PROVIDE A SAFE WALKWAY AROUND THE FOOTING FIELD DETERMINE (TYP.) CONSTRUCTION AREA. 1 S-100 SCALE: 3/4"=1'-0" 11. THE NEW SIDEWALK CONCRETE-ON-SLAB GRADE SHALL BE NORMAL WEIGHT CONCRETE WITH 4000 PSI 28 DAYS COMPRESSIVE STRENGTH REINFORCE WITH 6X6-W2.9XW2.9 WELDED WIRE FABRIC. EXISTING BUILDING TO EXISTING GRANITE STONE REMAIN (DO NOT DISTURB) TO REMAIN NEW 4" SIDEWALK SLAB-ON- GRADE REINF W/ 6x6-W2.9xW2.9 EXISTING SIDEWALK TO NEW SIDEWALK CENTER ON MID-DEPTH EXISTING REMAIN (DO NOT DISTURB) ADJACENT APPLY PREPRUFE 300R EXISTING GRANITE STONE PROPERTY EXISTING GRANITE STONE WATERPROOFING MEMBRANE. TO REMAIN TO REMAIN INSTALLATION PER MANUFACTURES SPECIFICATION. EXISTING GLASS SIDEWALK VAULT TO REMAIN EXISTING GLASS SIDEWALK VAULT TO REMAIN X X 4" X X X X X X 6" X X X X PITCH NEW EXISTING SLAB TO 1 NEW 6" CONCRETE-SLAB-ON- MATCH ������ S-100 GRADE REINF W/ 6x6-W2.9xW2.9 CENTER ON MID-DEPTH 1 O:\B17113-00 267 Columbus Ave\STRUCT\S-100.00 SIDEWALK VAULT DEMOLITION PLAN.dwg, Date:April 17, 2017, Psetup:PDF, Plotted by:Lindsay Berman S-100 3 4 " BENTONITE WATERSTOP AROUND PERIMETER (TYP.) EXISTING ADJACENT REMOVE ALL DEBRIS IN THE VOID AND PROPERTY SIDEWALK ������� NEW CLEAN BACKFILL BACKFILL THE VOID WITH COMPACTED HATCH TO REMAIN GRANULAR GRAVEL AND SOIL. 19'-8 12 " CLEAN GRANULAR GRAVEL AND SAND. PLACE COMPACTED TO 95% NEW SIDEWALK CONCRETE SLAB ON GRADE STANDARD PROCTOR DENSITY. OVER COMPACTED FILL. 2 EXISTING BRICK EXISTING SIDEWALK CONCRETE S-100 WALL TO REMAIN SLAB ON GRADE TO REMAIN (DO NOT DISTURB) (DO NOT DISTURB) EXISTING BACKFILL 2 SOIL TO REMAIN. S-100 SCALE: 3/4"=1'-0" EXISTING CURB SIDEWALK REPAIR PLAN SCALE: 1/4"=1'-0" AC B17113-00 SIDEWALK PLANS & SECTIONS 267 COLUMBUS AVENUE GLASS SIDEWALK 04/17/16 COORDINATION C E AMERON NGINEERING VAULT REPLACEMENT AC B17113-00 & A LLP SSOCIATES, 177 Crossways Park Drive, Woodbury, NY 11797 T: (516) 827-4900 LMB 04/17/2017 267 COLUMBUS AVENUE 45 West 36th Street, 3rd Floor, New York, NY 10018 T: (212) 324-4000 303 Tarrytown Road, 1st Floor, White Plains, NY 10603 T: (914) 721-8300 Corporate Seal Initiated 1996 State of New York MANHATTAN, NY 10023 www.Cameronengineering.com STRUCTURAL AC AS SHOWN 4 OF 4 5/3/17 267 Columbus Avenue Sidewalk Replacement LPC 11