HomeMy WebLinkAbout20210755 269 Broadway Site Plan Power Point Presentation-SEQR & Engineering Issues • •
re iminar or s
SE R A rova I was based u on
Q
pp p
I naccu rate I nformation
• Geotechnical report :
— did not address the below parking
— did not address the groundwater
• For deta i Is, see very serious i n -depth issues i n
Public Comment
Th rou h Pu bl ic Com ment to the
�
En ineerin De artment
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• New Geotechnical Report has been provided
by Applicant . Still incomplete .
• The new report verifies the SEQR approval
was made without the correct i nformation .
SE R d id not add ress rou ndwater
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' Ground floor level 297 Broadway 298 to 302
Hamilton St 293 to 295
Groundwater level 290
":1at-Lo�vest parkinp level 278
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�����cfrock elevat�,o�n 2G4 to 2ut? �
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r n w r ff
G ou d ate a e ts
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• Dewateri ng — sewers, streets, ad jacent
buildings, utilities
• Deep excavation — shori ng streets a nd uti I ities,
heavy equipment, rock drilling & vibrations
• Handling and transport wet material - 1700-
2000 trucks
SE Rdid notaddressthedrillin
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: � _
Hamilton � �
St. Drilling: .
,�,7.3��,,,v z9sto�o� Broadway
25 to 31 ft "am''r°�s"9�`°";.
through � Drilling: 30 to
soil then ? k���`., ,�. , :� � � � , ��:,� ,- , . r���-� � � :� , � ; 38 ft through
. � . � , ;. ,. , ,
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,�S�✓ t 4 S3 /� '�t�� / .y i� � 1 L�� � �r4� t- s o i I t h e n ? ft
. .. . ,l . �'. . \ .T' 4 7. y'. �. .. .. . j+s<. . �. . ,. . . ..
ft into ` � � � Unknown drilling for mat slab
Excavation support i n t o b e d r o c k
b e d ro c k into bedrock
100% of the perimeter is to be drilled into
bedrock and the building area dewatered.
Eff f R k Drillin
ect o oc
�
• Vibrations to surrounding properties ?
• Affect on aquifer?
• Affect on previous spri ngs i n the a rea ?
Construction I ns ections —
p
Needed Full -time
• Pre-construction assessment of City and
private facilities
• Earthwork
• Vibration monitoring; set acceptable limits
A New SE R is Needed
• This project has technical issues related to the construction unlike any in
Saratoga Springs. The City is unaware of any buildings built so far below
the water table.
• The City Engineering Department, The Planning Department, The Traffic
Department, and the City's consultant CHA are all telling you there are
technical issues to be corrected and resolved.
• CHA's letter dated 3-8-2022 not only agrees with these issues but
recommends a full evaluation in an expanded geotechnical and
engineering study prior to Planning Board action.