HomeMy WebLinkAbout2005-03-16 Response Comments SPR WITHDRAWN 236 Pleasant Street, Methuen, MA 01844
January 27, 200' wit �1�'
Timothy B. McIntosh, PE
Vanasse Hangeri,Brustlin
101 Wahiut Street
Watertown, MA'02472
Re: Map 25, Parcel 24
Willow Stre,bt, N. Andover, NM
Plaiming Board review
Dear Tirn,
In response to your review letter of December 16, 2004, regarding the above referenced
project, this office has revised and/or supplemented the submittal, as attacheq acid as
described below:
Section 4.-1—Di w1rid isse Regulations
This site Was rezoned General Business, per Building Inspector Me uire).
Section 8.3—Site Plan Review
8.3.5.e.ii^The property line has been identified and labeled.
8.3.5.e.ivi'—The 25' and 50' buffer lines have been labeled on sheet S 2.
The entire parcel is within the 100' wetlands buffer.
There are no easements of record on the parcel being de�. eloped.
8.3.5.e.v—The site relief change does not allow for two foot contour's.
8.3.5.e.xi ii—The entrance driveway has a modified bituminous berin nd a guard
rail.
8.3.5.e.xv—The planting schedule on sheet S-3 has been revised.
The area of this site being developed will be raised for building and
parking, and therefore the trees in that same area will ne d to be cut.
The entire site being developed will consist of asphalt pa� inent,
including the parking beneath the building.
8.3.5.e.xvi—The dumpster will be completely fenced in with a gate it the front.
The detail of the gate is shown on sheet S-4.
The fence is shown on sheet S-2.
8.3.5.e.xvii—A fighting plan is forthcoming wider separate cover.
8.3.5.e.xix—A traffic statement is enclosed in the Technical Supplem6nt,
8.3.5.e.xk—A sewer profile has been added to sheet S-6.
8.3.5.c.xii—A fiscal impact has been added to the Technical Supple, 11
8.3.5.xiii A Community analysis has been added to the TechnicalS371.pplement,
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General Com►marts 3
l. The �lati information has been corrected.
2. A lows plan has been added to the cover sheet.
3. Reference has been corrected.
4. Addi,tional cross sections and details have been added to indicatc the berm.
5. Sewer line information has been updated.
6. A wheelchair ramp detail has been added to sheet S-5.
7. A sidewalk detail has been added.
8. A detail of a modified bituminous bet-in has been added to sheet -5.
9. The;driveway access is 24 feet wide with two way traffic.
10. The plate was from a previous NOI and has been removed.
11. The 1front building setback line has been adjusted to 25'.
12. The,paved waterway has been moved to the end of the curb.
13. The;.water and sewer lines have been labeled on sheet S-2.
14. Water connections are labeled on sheet S-2.
15. One;handicapped parking space has been made van accessible.
16. The jsoils map has been adjusted.
17. Water will only be against the wall during hours of storms.
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Drainage Co►nmeu►?s
1. The°drainage system has been revised to include a stormceptor it a detention
basin.
2. The;paved water way has been relocate to the downstream side of the drive.
Thej existing roadway is crowned.
3. The;proposed driveway drain into the swale along South Willov I street, which
is p4t of the larger wetland system.
4. Wet'land filling and mitigation areas have been revised. Refer to Sµ3.
5. Refer to S-3.
6. Wet land lines are marked by the flag numbers (a-1,c-1),
7. Weiland limits from previous Notice of Intent filing (plan attac ed).
8. The proposed culvert has been sized to meet or exceed the swa
m ecapacity. It
nice, equalizes the water level on both sides, due to the size or the
surrounding wetland system.
9. Refer to profile on sheet S-6. The plate has been removed, sine it applied to a
previous NOI submittal/Order of Conditions. The box culvert ill be bedded in
8 irtches.of stone. The box culvert will be H-20 capable. Guard ails are
pro used on both sides of the drive. As part of this submittal, e;:await
con,rments from DPW.
10. Length and slope have been added to sheet S-4 & S-5.
11. Ad led to sheet S-2 '
12. Th 12 inch outlet pipe will only handle the flow through the 4 nd 5 inch
oril ices.
13. An�etnergency spillway has been added.
14. Th4 spillway has been sized to handle the 100 year storm.
15. The outlet control structure has been relocated for access ease.
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16. The Pipe ends along the face of the berm and therefore the top o 1'Mae pipe hits
the contour line.
17. Infiltration of the bottom of the pond is no longer proposed.
18. A doss section of the detention basin has been provided on she t 'S-6.
19. A rif rap detail has been provided on sheet S-6.
20. A stc rmceptor has been added, instead of the forebay.
21. The difference in area is due to the entrance drive.
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22. These drawings have been adjusted.
23. The time span has been adjusted.
24. Plans have been corrected.
25. Areas have been adjusted.
26. The drainage from this site discharges to a large wetland system weather in
one or several points, therefore CAQ chose to use one discharg , per review
by tlkc Conservation Commission and its agent.
DEP Slor►nwatpr Management Standards
Standard #1
1. A modified bituminous curb is proposed
2. The idrivrway discharges to a rip rap apron.
Standardd #3
1. Recl.�arge has been modified.
2. Proposal.has been modified.
Standa�tl #4
1. TSS removal has been revised, Refer to Technical Supplement
Standadd 49
1. Ownership and responsible parties have been added.
Environmental Comments
1. An existing conditions plan has been attached.
2. A pjan indicating the entire property has been attached.
3. A r6plication plan has been added.
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Notice of Intent Narrative
2. CAO will do a fiirther review of the flood plain.
3. The,:entire site is bounded by a Swale or a wetland, with no diy Iccess.
4. Refer to NOT
5. No Work: is proposed within the 25 foot no-cut line. Parking, landscaping and a
detention basin are proposed within the 50 foot line.
6. Refs r to S-3.
7. CAO has considered it a wetland, due to its connection to the remaking
system.
8. These are no alternative access points.
Drainage Calculations
1. Pro�osal has been revised.
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2. Infiltration has been relocated.
Operation and Main fenance Plan
l. Ownership and developer have been identified.
2. Sweeping will occur as directed.
3. Repo;rting of replication, sweeping, etc. will occur as directed.
4. The replicated wetland will be monitored as specified.
S. A surveyor will be on the site for layout, as necessary to comply with the
approved plans.
Thank you for your attention on this matter. Should you have any questions, please
contact this office.
Sincerely,
CAQ EngineerinJ9 Associates, Inc.
Carlos A. 6uintal, PE
,.President
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