Stormwater Management Report 03302026

-= N ii iD am a3 m m 1.~: ~., ..~. fQ IOD~~ ~~~~ ~ ur•{ -.:a Ii'i'i'i'i'i'i'i'i'i'i'i'i'i'Oi'i'i'i'i'i'i~-~,m?'~-•• i •••~:~y.~►t~tS•• ~1`•~•'•1• o q co m ^ ^ ~ c

c m ,aa~ e~ q,dap d

KEY TO SYMBOLS Symbol Description Strata symbols i~i~i~i Fill ~~i~i~i ~~i~i~i _~~~- Silty sand and gravel b i~g~s~~ i :!::~ i +r .::.: . Poorly graded sand i :•+: _ and gravel ~•Vi•I;I l .Gj ll:l Poorly graded sand FC]a•1 [ hj 9'I with silt Blank Misc. Symbols ~ Water table during drilling Notes: 1. Exploratory borings were drilled on 8-19-2024 using a 4-inch diameter continuous flight power auger. 2. No free water was encountered at the time of drilling or when re-checked the following day. 3. Boring locations were taped from existing features and elevations extrapolated from the final design schematic plan. 4. These logs are subject to the limitations, conclusions, and recommendations in this report. 5. Results of tests conducted on samples recovered are reported on the logs.

SPT N-VALUE Water Content, 10 20 30 40 50 60 10 20 30 40 50 60 70 80 90 —0 —3 —6 _9 —12 —15 —18 —21 — 24 Key to Borings ANS CONSULTANTS, INC. • B-1 • B-3 * B-5/B-5A B-7 Proposed 1-story retail building o ■ B-2/B-2A • B-4 + B-6 Vertical Scale: 1 to 3 Figure:

SPT N-VALUE Water Content, 10 20 30 40 50 60 10 20 30 40 50 60 70 80 90 0 0 -3 3 -6 6- _9 9- -12 12- -15 15- -18 18- -21 21- - 24 24 - Key to Borings ANS CONSULTANTS, INC. • B-8 Proposed 1-story retail building Vertical Scale: 1 to 3 Figure:

~S~ AMERICAN SCCIEiY OF CML ENGINEERS ASCE Hazards Report Address: Standard: ASCE/SE17-22 Latitude: 40.770448 525 Northfield Ave Risk Category: i~ Longitude: -74.277032 West Orange, New Jersey SOII Class: C -Very Dense Elevation: 391.14172377309643 ft 07052 Soil and Soft Rock (NAND 88) https://ascehaza rdtool.orq/ Page 1 of 4 Tue Aug 27 2024

~►S~E AMERICAN SOCIETY OF CML ENGINEERS Seismic Site Soil Class: C -Very Dense Soil and Soft Rock Results: PGA M 0.17 T~ 6 S MS 0.27 Ss : 0.27 SM1 0.064 S, 0.05 S DS 0.18 US30 530 SD1 0.043 Seismic Design Category: B 0 iii Multi-Period MCER Spectrum 0.35 Multi-Period Design Spectrum 4 a5 0.3fl D ~0 D 35 .'- 025 031 42a 0 2~ ~ 0.2U +~ 0 15 • O i , ~'~ o to ~; n ,_ 0 05 { i O i~=: J • ~ t a 1~:...__.... . a tD o s Sa (g) vs T(s) A Sa(g)vs T(s) +3.30 Two-Period MCE R Spectrum o is Two-Period Design Spectrum 0 S5 n2 D i~ D t2 0.10

D i~ D t2 0.10 0.08 o.as O Dd 6.02 O—:Y------- 4 5 F_. 7 n Sa(g) vs T(s) Sa(g) vs T(s) MCER Vertical Response Spectrum Design Vertical Response Spectrum Vertical ground motion data has not yet been made Vertical ground motion data has not yet been made available by USGS. available by USGS. https://ascehazardtool.orq/ Page 2 of 4 Tue Aug 27 2024

SCE AMEflICAN SOCIETY OF CML ENGINEERS Data Accessed: Tue Aug 27 2024 Date Source: USGS Seismic Design Maps based on ASCE/SEI 7-22 and ASCE/SEI 7-22 Table 1.5-2. Additional data for site-specific ground motion procedures in accordance with ASCE/SEI 7-22 Ch. 21 are available from USGS. https://ascehazardtool.orq/ Page 3 of 4 Tue Aug 27 2024

►SCE AMERICAN SOCIETY OF CMt ENGINEERS The ASCE Hazard Tool is provided for your convenience, for informational purposes only, and is provided "as is" and without warranties of any kind. The location data included herein has been obtained from information developed, produced, and maintained by third party providers; or has been extrapolated from maps incorporated in the ASCE standard. While ASCE has made every effort to use data obtained from reliable sources or methodologies, ASCE does not make any representations or warranties as to the accuracy, completeness, reliability, currency, or quality of any data provided herein. Any third-party links provided by this Tool should not be construed as an endorsement, affiliation, relationship, or sponsorship of such third-party content by or from ASCE. ASCE does not intend, nor should anyone interpret, the results provided by this Tool to replace the sound judgment of a competent professional, having knowledge and experience in the appropriate fields) of practice, nor to substitute for the standard of care required of such professionals in interpreting and applying the contents of this Tool or the ASCE standard. In using this Tool, you expressly assume all risks associated with your use. Under no circumstances shall ASCE or its officers, directors, employees, members, affiliates, or agents be liable to you or any other person for any direct, indirect, special, incidental, or consequential damages arising from or related to your use of, or reliance on, the Tool or any information obtained therein. To the fullest extent permitted by law, you agree to release and hold harmless ASCE from any and all liability of any nature arising out of or resulting from any use of data provided by the ASCE Hazard Tool. https://ascehazardtool.orq/ Page 4 of 4 Tue Aug 27 2024