2/8/2024 Webster Town Board meeting. Proposed Conveyance Sewer Improvement Project from Phillips Road to Tebor Road
EXISTING CONDITIONS •
Project limits include Schlegel Road, Salt Road, Boulter Ind. Parkway and Tebor Road.
•
Existing project limits consist of 12,500 LF of PVC sewer
•
57 manholes
EXISTING & PROPOSED SEWER FLOWS • • • • •
Existing flows were determined using flow metering of the impacted sewer network. Peak flow at the downstream end of the sewer network was observed to be 770 gallons/minute during the 2-month study period. Capacity of the existing sewer was calculated using the existing pipe diameters and slopes. It was determined that the existing sewer is sized correctly to convey the existing flows. A large industrial project proposes to construct a new facility with access from Tebor Road. Per the project team, this project will add an average flow 2,083 gallons per minute to the existing sewer network. Calculations were done to determine the impacts the additional flows have on the existing network. The calculations show that approximately 80% of the existing sewers will exceed the allowable capacity. Therefore, to convey the additional flows, the exiting sanitary sewer system will need to be upsized to accept the additional flow.
PROPOSED IMPROVEMENTS Proposed improvements include: •
Removal and replacement of approximately 12,500 LF of existing sewer.
•
Removal and replacement of 35 manholes.
•
Modify 19 existing manholes to accept larger sewer main.
•
Re-establishing existing sewer services.
•
Re-establishing lawns and driveways along project route.
•
Service will be maintained through out project
PROPOSED TOWN UPGRADES To provide additional capacity above current needs, additional upgrades are proposed above and beyond the basic proposal. Additional upgrades include: • Modifying 2 manholes to accept larger sewer mains. • Removal and replacement of +/- 600 LF of sewer main. • Upsize of +/- 900 LF of sewer main over basic proposal. • Add 15 new sewer laterals for future connections.
CONSTRUCTION COST ESTIMATE Town of Webster Sewer Improvements Phillips Road to Tebor Road
• An Engineer’s Cost Estimate was prepared using RS Means construction estimating software, bid prices of recent local projects, and information from construction experts. • The Engineer’s Estimate includes all items expected to remove and replace the existing sanitary sewer main per the Construction Drawings. The estimated construction cost is $6,662,000. •
•
Additional improvements are proposed by the Town exclusive of what is required to convey the additional flows from the Industrial project. These improvements include replacing and upsizing sections of sewer to provide capacity for future development areas and installing sewer laterals to current vacant parcels. The estimated cost Town improvements is $207,000 Total cost $6,869,000
Upgrades for future development
Item #
Description
Qty
Unit
Unit Price
Price Extension FAIRLIFE ONLY
Qty
Price Extension
1
Mobilization
1
L.S.
$208,000.00
$208,000.00
2
Maintenance of Traffic
1
L.S.
$350,000.00
$350,000.00
3
Clearing and Grubbing (including tree removal)
2
AC.
$30,000.00
$60,000.00
4
Unclassified Excavation (pavement removal)
850
C.Y.
$50.00
$42,500.00
5
Removal and Disposal of Manhole
35
EA
$1,000.00
$35,000.00
6
Removal and Disposal of Sanitary Sewer (all sizes)
12500
L.F.
$10.00
$125,000.00
7
Modify Existing Manhole for Larger Sanitary Sewer
19
EA
$2,000.00
$38,000.00
2
$4,000.00
8
Line Existing Manhole
19
EA
$2,500.00
$47,500.00
4
$10,000.00
9
Re-establish Sanitary Lateral Connection
43
EA
$1,000.00
$43,000.00
10
36" Steel Casing Bored under MCDOT highway
410
L.F.
$900.00
$369,000.00
11
Trench Excavation, Bedding, and Backfill 6'-8'
1537
L.F.
$87.00
$133,719.00
12
Trench Excavation, Bedding, and Backfill 8'-10'
4062
L.F.
$92.00
$373,704.00
13
Trench Excavation, Bedding, and Backfill 10'-12'
2377
L.F.
$106.00
$251,962.00
14
Trench Excavation, Bedding, and Backfill 12'-16'
2330
L.F.
$147.00
$342,510.00
15
Trench Excavation, Bedding, and Backfill 16'-20'
2135
L.F.
$190.00
$405,650.00
16
18" PVC Sanitary Sewer
5127
L.F.
$80.00
$410,160.00
17
21" PVC Sanitary Sewer
7314
L.F.
$130.00
$950,820.00
18
5' Diameter Manhole 6'-10' depth
13
EA.
$7,000.00
$91,000.00
19
5' Diameter Manhole 10'-12' depth
3
EA.
$8,800.00
$26,400.00
596
596
$51,852.00
20
5' Diameter Manhole 12'-14' depth
7
EA.
$11,000.00
$77,000.00
21
5' Diameter Manhole 14'-16' depth
6
EA.
$14,000.00
$84,000.00
22
5' Diameter Manhole 16'-18' depth
2
EA.
$16,000.00
$32,000.00
22
5' Diameter Manhole 18'-20' depth
3
EA.
$18,000.00
$54,000.00
23
Asphalt Driveway (1.5" top, 2.5" Binder, 8" stone)
16000
S.f.
$7.00
$112,000.00
24
Removal and Replacement of 12" HDPE Storm Culvert
1400
L.F.
$120.00
$168,000.00
25
Removal and Replacement of 12" Flared End Section
15
EA.
$400.00
$6,000.00
26
Removal and Replacement Existing 2'x2' Storm Inlet
11
EA.
$4,000.00
$44,000.00
27
Remove and Replace Curb
40
L.F.
$100.00
$4,000.00
28
Re-Establish vegetation
24000
SY
$4.00
$96,000.00
29
Bypass Pumping
1
L.S.
$200,000.00
$200,000.00
30
Rock Removal
10
DAY
$3,000.00
$30,000.00
31
Remove and Reset Mailbox
27
Each
$250.00
$6,750.00
32
Upsize Sanitary Sewer from 21" to 24"
0
L.F.
$50.00
$0.00
888
$44,400.00
33
New Lateral connection
0
EA.
$1,000.00
$0.00
15
$15,000.00
34
Design and Construction Engineering Fees
1
L.S.
$112,375.00
$112,375.00
35
25% Contengency
1
L.S.
$1,332,512.50
$47,680.00
$1,332,512.50 Additional Cost to the Town of Webster For Excess Flow Capacity for Future Development
Construction Total $6,662,562.50 Add: 20% contingency for town items Town portion:
$172,932.00 $34,586.40 $207,518.40
PROJECT SCHEDULE • February 1, 2024 – Resolution to hold a public hearing • February 15, 2024 – vote on resolution at Town Board meeting to solicit bids. • February 21, 2024 – Put Legal notice in paper and send notice that bid documents are available.
• February 22, 2024 – Public Hearing. • March 14, 2024 – Bid Opening at 11 am in the Town Board room. • March 21, 2024 – Award bid to Contractor at Board Meeting. • May, 2024 – Contractor Mobilization and start of construction (projected). • December, 2024 – Substantial completion of work.