Addendum 2- South Street Phase V Sewer & Stormwater Replacement

Numbered: Cover, I-1 through I-3, C-1 through C-5, and SK-1 dated 3/9/2026 (under
separate cover)
5. Measurement and Payment: REMOVE the Measurement and Payment in its entirety and
ADD the Measurement and Payment as enclosed within this Addendum.
6. Special Conditions: REMOVE the Special Conditions in their entirety and ADD the Special
Conditions as enclosed within this Addendum.
7. Drawings: REVISE Drawing Nos C-1, C-2 , C-3, C-4 such that DMH-1, CB-2, DMH-3, CB-4,
CB-5 precast structures are depicted as 6-foot I.D. structures.
8. Drawings: ADD Drawing SK-1 as enclosed and make a part of this contract.
9. Questions During Bid:
QUESTION: I cannot find the 8" dia manhole bases. Could you tell me where they are
located?
ANSWER: The bid schedule and measurement and payment have been revised.
All structures shall be 4-foot inside diameter on the sanitary sewer
unless noted other wise on the profile.
QUESTION: I had to bump any manhole that had a 36" penetration up to 6' Dia. To be
able to maintain structural integrity.
ANSWER: DMH-1, CB-2, DMH-3, CB-4, CB-5 have been revised by this addendum
to be 6-foot I.D.
QUESTION: You also call out 7 foot dia. Manholes on that list also. I quoted it based on
the plans, which really only called for 4' dia. Structures and one 5' dia.
Structure. I then had to bump some of them up to 6' dia. Because of the
36" pipe. Could you please clarify what is needed?
ANSWER: See previous responses.
QUESTION: Item 3.3 Miscellaneous Excavation and Backfill, the quantity for this item is
700 CY there is nine test pits is this quantity correct or should this be 70
CY.
ANSWER: We have 17 test pits shown on the test pit plan, plus some
miscellaneous excavation quantity to help locate some additional
services. The quantity has been revised to 500 cubic yards with this
addendum.
QUESTION: Sewer Manhole (2) is being set on two existing sewer services, what is the
thought process for those services if the elevations are the same for the
new lines as they are for the old lines.
ANSWER: We would like to test pit them to determine line and grade. It is likely
that they are in conflict. The intent would be do interconnect them
Twon of Middlebury -South Street - Phase V Sewer & Stormwater Replacement April 28, 2026
Addendum No. 2 to the Contract Documents Page 2 of 38
Otter Creek Engineering, Inc.

into manhole 2 and make them active. Refer to phasing notes on the
drawing.
QUESTION: Sewer Manhole (6) can this be a doghouse manhole with two outlets and
plug one of the outlets off when the live outlet is running.
ANSWER: Yes that could be acceptable however a submittal will be required
and the approach will need to be listed in the bypass plan.
QUESTION: Sewer Manhole (7) can this also being a doghouse manhole not to
obstruct flow.
ANSWER: Yes that could be acceptable however a submittal will be required
and the approach will need to be listed in the bypass plan.
QUESTION: Can the Town help drain pump stations / turn them off and monitor them
during scheduled tie-ins?
ANSWER: Yes.
QUESTION: How many vehicles do we need to maintain access for in the parking lot?
ANSWER: The Town has obtained permission from Middlebury college to close
the parking lot and require their tenants to park elsewhere / on the
street. The College has asked that this work be completed before
August 1st such that the parking lot can resume normal activities.
QUESTION: What do you mean by being considered qualified for this job?
ANSWER: Please refer to the updated Special Conditions included in this
addendum.
Twon of Middlebury -South Street - Phase V Sewer & Stormwater Replacement April 28, 2026
Addendum No. 2 to the Contract Documents Page 3 of 38
Otter Creek Engineering, Inc.

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Twon of Middlebury -South Street - Phase V Sewer & Stormwater Replacement April 28, 2026
Addendum No. 2 to the Contract Documents Page 4 of 38
Otter Creek Engineering, Inc.

BID SCHEDULE
Item Unit Unit Price
Description Unit Price (Written) Total Price (Figures)
No. Quantity (Figures)
1.0 Contract General Conditions
1.1 Contract General Conditions 1 L.S. $ $
2.0 Erosion Prevention and Sediment Control
Erosion Prevention and Sediment
2.1 1 L.S. $ $
Control
3.0 Earthwork
3.1 Rock Removal 75 C.Y. $ $
Crushed Gravel Road and Driveway
3.2 300 S.Y. $ $
Restoration
3.3 Miscellaneous Excavation and Backfill 500 C.Y. $ $
3.4 Additional Excavation Below Subgrade 25 C.Y. $ $
3.5 Additional Bedding Materials Below Subgrade
Additional 1 12" Crushed Stone Bedding
3.5.1 25 C.Y. $ $
Below Subgrade
4.0 Bituminous Concrete Pavement
Bituminous Concrete Pavement, Trench
4.1 50 S.Y. $ $
Patch (Base Course)
TOWN OF MIDDLEBURY - SOUTH STREET - PHASE V SEWER & STORMWATER REPLACEMENT PROJECT (C) 2026
Otter Creek Engineering, Inc. OCE-CD1

Item Unit Unit Price
Description Unit Price (Written) Total Price (Figures)
No. Quantity (Figures)
Bituminous Concrete Pavement, Trench
4.2 75 S.Y. $ $
Patch (Top Course)
5.0 Curb
5.1 Concrete Curb 30 L.F. $ $
6.0 Sidewalk
6.1 Concrete Sidewalk 200 S.F. $ $
6.2 Concrete Sidewalk Through Driveway 150 S.F. $ $
7.0 Pipe Insulation
7.1 Buried Rigid Insulation Board 200 S.F. $ $
8.0 Stormwater Catch Basin, Drain Manholes and Dry Wells
8.1 Stormwater Catch Basin, Drain Manhole and Dry Well Walls
8.1.1 6-foot Diameter Drain Manhole Walls 20.6 V.L.F. $ $
8.1.2 4-foot Diameter Drain Manhole Walls 8.6 V.L.F. $ $
8.1.3 6-foot Diameter Catch Basin Walls 21.5 V.L.F. $ $
8.1.4 4-foot Diameter Catch Basin Walls 6.6 V.L.F. $ $
TOWN OF MIDDLEBURY - SOUTH STREET - PHASE V SEWER & STORMWATER REPLACEMENT PROJECT (C) 2026
Otter Creek Engineering, Inc. OCE-CD2

Item Unit Unit Price
Description Unit Price (Written) Total Price (Figures)
No. Quantity (Figures)
8.2 Stormwater Catch Basin, Drain Manhole, Base and Top
8.2.1 6-foot Diameter Drain Manholes 2 EA. $ $
8.2.2 4-foot Diameter Drain Manholes 1 EA. $ $
8.2.3 6-foot Diameter Catch Basins 3 EA. $ $
8.2.4 4-foot Diameter Catch Basins 1 EA. $ $
8.3 Stormwater Catch Basin, Drain Manhole and Dry Well Chimney, Frame and Grate/Cover/Curb Inlet Assembly
Stormwater Catch Basin, Drain Manhole
8.3.1 Frame and Grate/Cover/Curb Inlet 7 EA. $ $
Assemblies
9.0 Removal/Abandonment of Existing Catch Basins
Removal of Existing Catch Basins and
9.1 4 EA. $ $
Drain Manholes
Abandonment of Existing Catch Basin
9.2 1 EA. $ $
and Drain Manholes
10.0 Stormwater Piping
10.1 36-Inch Stormwater Piping - HDPE 300 L.F. $ $
10.2 18-inch Stormwater Piping - HDPE 200 L.F. $ $
TOWN OF MIDDLEBURY - SOUTH STREET - PHASE V SEWER & STORMWATER REPLACEMENT PROJECT (C) 2026
Otter Creek Engineering, Inc. OCE-CD3

Item Unit Unit Price
Description Unit Price (Written) Total Price (Figures)
No. Quantity (Figures)
10.3 15-inch Stormwater Piping - CMP 20 L.F. $ $
10.4 12-inch Stormwater Piping - HDPE 20 L.F. $ $
10.5 6-inch Stormwater Piping - PVC 50 L.F. $ $
10.6 4-inch Stormwater Piping - PVC 20 L.F. $ $
11.0 Stormwater Interconnections
Interconnection to Existing Stormwater
11.1 2 EA. $ $
Main
12.0 Sanitary Sewer Manholes
12.1 Sanitary Sewer Manhole Walls
5-foot Diameter Sanitary Sewer
12.1.1 7.8 V.L.F. $ $
Manhole Walls
4-foot Diameter Sanitary Sewer
12.1.2 41.2 V.L.F. $ $
Manhole Walls
12.2 Sanitary Sewer Manhole Bases and Inverts
5-foot Diameter Sanitary Sewer
12.2.1 1 EA. $ $
Manhole Bases and Inverts
4-foot Diameter Sanitary Sewer
12.2.2 6 EA. $ $
Manhole Bases and Inverts
TOWN OF MIDDLEBURY - SOUTH STREET - PHASE V SEWER & STORMWATER REPLACEMENT PROJECT (C) 2026
Otter Creek Engineering, Inc. OCE-CD4

Item Unit Unit Price
Description Unit Price (Written) Total Price (Figures)
No. Quantity (Figures)
12.3 Sanitary Sewer Manhole Chimney, Frame and Cover Assembly
Sanitary Sewer Manhole Chimney,
12.3.1 7 EA. $ $
Frame and Cover Assembly
12.4 Sanitary Sewer Manhole External Drop 1 EA. $ $
12.5 Removal/Abandonment of Existing Sanitary Sewer Manhole
Removal of Existing Sanitary Sewer
12.5.1 4 EA. $ $
Manhole
Abandonment of Existing Sanitary
12.5.2 1 EA. $ $
Sewer Manhole
13.0 Sanitary Sewer
13.1 12-Inch SDR 35 PVC Sanitary Sewer 575 L.F. $ $
13.2 8-inch SDR 35 PVC Sanitary Sewer 75 L.F. $ $
13.3 6-Inch SDR 35 PVC Sanitary Service 20 L.F. $ $
13.4 4-Inch SDR 35 PVC Sanitary Service 50 L.F. $ $
TOWN OF MIDDLEBURY - SOUTH STREET - PHASE V SEWER & STORMWATER REPLACEMENT PROJECT (C) 2026
Otter Creek Engineering, Inc. OCE-CD5

Item Unit Unit Price
Description Unit Price (Written) Total Price (Figures)
No. Quantity (Figures)
14.0 Sanitary Sewer Cleanouts
14.1 6-Inch PVC Cleanout 2 EA. $ $
14.2 4-Inch PVC Cleanout 3 EA. $ $
15.0 Sanitary Sewer Wye
15.1 12-Inch by 4-Inch Sanitary Sewer Wye 3 EA. $ $
16.0 Sanitary Sewer Interconnections
16.1 Interconnection to Existing Sewer Main 3 EA. $ $
17.0 Miscellaneous Pipe Crew Work
17.1 Miscellaneous Pipe Crew Work 10 HRS. $ $
18.0 Flowable Fill
18.1 Flowable Fill 15 C.Y. $ $
TOWN OF MIDDLEBURY - SOUTH STREET - PHASE V SEWER & STORMWATER REPLACEMENT PROJECT (C) 2026
Otter Creek Engineering, Inc. OCE-CD6