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2025-02-10_item_4.15_acceptance_of_various_public_improvements_in_tract_4149_from_river_islands

Lathrop City Council
February 10, 2025

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2025-02-10_item_4.15_acceptance_of_various_public_improvements_in_tract_4149_from_river_islands
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February 10, 2025
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Lathrop City Council
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ITEM 4.15

CITY MANAGER'S REPORT
FEBRUARY 10, 2025 CITY COUNCIL REGULAR MEETING
ITEM:

RECOMMENDATION: Adopt Resolution to Accept Various Public Improvements in Tract 4149 from River Islands
SUMMARY:

River Islands Development, LLC, River Islands Stage 2B, LLC, and Califia, LLC (collectively "River Islands") have completed the construction of the public improvements identified in the GASB 34 Reports (Attachment "C") associated witt the Subdivision Improvement Agreement (SIA) for Large Lot Final Map Tract 4149 ("Tract 4149").

Staff has inspected the improvements listed in Attachment "C", and the City Engineer has deemed them complete and in compliance with the approved plans and specifications. River Islands has submitted one-year warranty bonds equal to 10% of the completed construction costs, along with lien releases for the improvements proposed for acceptance. A vicinity map of the improvements is provided in Attachment "B."
Staff recommends that City Council accept the public improvements listed in Attachment "C". Roll Tide Way and Winton Avenue, both dedicated and bonded with Tract 4149, are not proposed to be accepted at this time and will be brought to Council for consideration of acceptance at a future date.

BACKGROUND:

On June 14, 2021, City Council adopted resolutions and ordinances approving the modified River Islands Phase 2 Project. The project included the certification of a subsequent Environmental Impact Report; an amendment to the General Plan Land Use Map; text revisions to the Land Use Element and Circulation Element; amendments to the West Lathrop Specific Plan and Urban Design Concept; zoning map and zoning text amendments; approval of a Preliminary Development Plan and Vesting Tentative Subdivision Map; the sixth amendment to the 2003 Development Agreement; and the Phase 2 Parks and Open Space Master Plan.

On November 14, 2022, City Council approved Tract 4149, which established 34 undevelopable parcels within the West Village District of River Islands, located on the west side of the San Joaquin River, north of the Union Pacific Railroad. In accordance with the Lathrop Municipal Code, approval of Tract 4149 included a SIA to ensure the completion of public improvements.

CITY MANAGER'S REPORT
FEBRUARY 10, 2025 CITY COUNCIL REGULAR MEETING
ACCEPTANCE OF VARIOUS PUBLIC IMPROVEMENTS IN TRACT 4149 FROM

RIVER ISLANDS
Staff has inspected the public improvements associated with the SIA for Tract 4149, as listed in Attachment "C", and the City Engineer has deemed them complete ana in compliance with the approved plans and specifications. Roll Tide Way and Winton Avenue, both dedicated and bonded with Tract 4149, are not proposed to be accepted at this time and will be brought to Council for consideration of acceptance at a future To guarantee the completion of the remaining improvements for Tract 4149, Performance Bond No. 0799678 in the sum of $16,643,440 and Labor & Materials No. 0799678 in the sum of $8,321,720 will remain in place until Roll Tide Way and Winton Avenue are inspected by staff, deemed complete to City specifications by the City Engineer, and accepted by a future Council action. Upon completion, staff will present Roll Tide Way and Winton Avenue to Council for consideration of acceptance and subsequent release of the bonds.

River Islands has a submitted a one-year warranty bond equal to 10% of the completed construction costs, along with lien releases for the improvements proposed for acceptance. The bonds are detailed in Table 1 below.

Table 1
Performance Labor & Maintenance
Tract No./Project Bond Materials Bond Bond
Name Number/Value Number/Value Number/Value
Tract 4149
(Not accepting Roll Tide 0799678 0799678 0799678-M
Way and Winton $16,643,440 $8,321,720 $2,324,568
Avenue)
REASON FOR RECOMMENDATION:

Staff has inspected the improvements listed in the GASB 34 Reports, included as Attachment "C", and has confirmed that they have been completed in accordance with City specifications.

River Islands has provided unconditional lien releases and one-year maintenance bonds for the completed improvements. Staff recommends that City Council accept the public improvements listed in Attachment "C".

CITY MANAGER'S REPORT PAGE 3
FEBRUARY 10, 2025 CITY COUNCIL REGULAR MEETING
ACCEPTANCE OF VARIOUS PUBLIC IMPROVEMENTS IN TRACT 4149 FROM

RIVER ISLANDS
FISCAL IMPACT:

The City's maintenance costs will increase to maintain the accepted improvements.

The warranty bond covers any repairs or replacements due to defective materials or workmanship for the completed improvements that may become necessary during the one-year period, beginning with this acceptance. The City's Service Maintenance CFD 2023-1 has been established to fund City maintenance and operating costs.

ATTACHMENTS:

A. Resolution to Accept Various Public Improvements in Tract 4149 from River Islands
B. Vicinity Map
C. GASB 34 Reports
CITY MANAGER'S REPORT PAGE 4
FEBRUARY 10, 2025 CITY COUNCIL REGULAR MEETING
ACCEPTANCE OF VARIOUS PUBLIC IMPROVEMENTS IN TRACT 4149 FROM

RIVER ISLANDS
APPROVALS:
2/5/25
Bellal Nabizada Date
Assistant Engineer
2/5/2025
Brad Taylor Date
City Engineer
7/5/2025
Thomas Hedegard Date
Deputy City Manager
Bar FoR 2/5/2025
Michael King Date
Assistant City Manager
25-2025
Salvador Navarrete Date
City Attorney

2.5.25 Stephen J. Salvatore Date
City Manager
RESOLUTION NO. 25-
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF LATHROP TO АССЕРТ VARIOUS PUBLIC IMPROVEMENTS IN TRACT 4149 FROM RIVER ISLANDS WHEREAS, on June 14, 2021, City Council adopted resolutions and ordinances approving the modified River Islands Phase 2 Project. The project included the certification of a subsequent Environmental Impact Report; an amendment to the General Plan Land Use Map; text revisions to the Land Use Element and Circulation Element; amendments to the West Lathrop Specific Plan and Urban Design Concept; zoning map and zoning text amendments; approval of a Preliminary Development Plan and Vesting Tentative Subdivision Map; the sixth amendment to the 2003 Development Agreement; and the Phase 2 Parks and Open Space Master Plan; and WHEREAS, on November 14, 2022, the City Council approved Tract 4149, which established 34 undevelopable parcels within the West Village District of River Islands, located on the west side of the San Joaquin River and north of the Union Pacific Railroad. In accordance with the Lathrop Municipal Code, approval of Tract 4149 included a Subdivision Improvement Agreement (SIA) to ensure the completion of public improvements; and
WHEREAS, staff has inspected the public improvements associated with the SIA for Tract 4149, as listed in Attachment "C" of the City Manager's Report, and the City Engineer has deemed them complete and in compliance with the approved plans and specifications; and
WHEREAS, Roll Tide Way and Winton Avenue, both dedicated and bonded with Tract 4149, are not proposed for acceptance at this time and will be presented to the City Council for consideration of acceptance at a future date; and WHEREAS, to guarantee the completion of the remaining improvements for Tract 4149, Performance Bond No. 0799678 in the amount of $16,643,440 and Labor & Materials Bond No. 0799678 in the amount of $8,321, 720 will remain in effect until Roll Tide way and Winton Avenue are inspected by staff, deemed complete to City specifications by the City Engineer, and accepted by a future Council action; and WHEREAS, upon completion of Roll Tide Way and Winton Avenue, staff will present them to the City Council for consideration of acceptance and subsequent release of the bonds; and
WHEREAS, River Islands has provided a one-year warranty bond equal to 10% of the construction cost, along with a developer lien release and lien releases from the contractors. The bonds are detailed in Table 1 below Table 1
Tract No./Project Performance Labor & Maintenance
Bond Materials Bond Bond
Name Number/Value Number/Value Number/Value
Tract 4149
(Not accepting Roll Tide 0799678 0799678 0799678-M
Way and Winton $16,643,440 $8,321,720 $2,324,568
Avenue)
; and
WHEREAS, the City's maintenance costs will increase to maintain the accepted improvements. The warranty bond covers any repairs or replacements required due to defective materials or workmanship for the completed improvements that may become necessary during the one-year warranty period, beginning with the date of acceptance. The City's Service Maintenance CFD 2023-1 has been established to fund City maintenance and operating costs.

NOW, THEREFORE, BE IT RESOLVED, that the City Council of the City of Lathrop does hereby accept the improvements listed in Attachment "C" of the City Manager's Report that accompanied this Resolution.

PASSED AND ADOPTED by the City Council of the City of Lathrop this 10th day of February 2025 by the following vote:

AYES:

NOES:

ABSTAIN:

ABSENT:

Paul Akinjo, Mayor
ATTEST: APPROVED AS TO FORM:
58 Teresa Vargas Salvador Navarrete
City Clerk City Attorney
AT A LATER DATE.

AND WILL BE ACCEPTED

ACCEPTANCE IS DEFERRED

AND WINTON AVENUE
NOTE: ROLL TIDE WAY

CHAMPION FIELDS
K-8 SCHOOL

ACADEMY
EPIC

BOUNDARY
TRACT 4149

SCHOOL HIGH

ISLANDS RIVER
FEBRUARY 2025
TRACT 4149 ACCEPTANCE

WEST VILLAGE
RIVER ISLANDS PHASE 2
ATTACHMENT "B"

ATTACHMENT
" C

CITY OF LATHROP

PROJECT ACCEPTANCE
(GASB 34 REPORT)
Submitted by: Date: 1/21/2025
Tract No.: River Islands - Del Webb Briarstone Lane
Item Unit Qty Unit Price Amount

4.5" AC Paving SF 88,400 2.25 198,900.00
8" Aggregate Base SF 88,400 1.20 /6s/67/69 106,080.00
Vertical Curb and Gutter (with AB cushion) LF 2.020 25.00 50,500.00 Rolled Curb and Gutter (with AB cushion) LF 25.00 2,250.00 Type F Median Curb (with AB cushion) LF 2,180 30.00 65,400.00 Concrete Sidewalk SF 16.300 6.00 /6s/6s/6A 97,800.00
Driveway Approach EA 600.00 1,800.00
Handicap Ramps EA 6 les 2,500.00 15,000.00
Survey Monuments EA 2 300.00 600.00
Traffic Striping & Signing LF 1,060 5.00 $ 5.300.00
15" Storm Drain Pipe LF 490 les 80.00 les 39.200.00
-
18" Storm Drain Pipe LF 150 90.00 13,500.00
30" Storm Drain Pipe LF 30 150.00 4,500.00
48" Storm Drain Pipe LF 1,000 $ 350.00 350,000.00
Catch Basins (type / inlet over type / manhole base) EA 3 6,500.00 19.500.00 Catch Basins (type / inlet over type Ill manhole base) EA 3 $ 18.000.00 54,000.00 Catch Basins (type C inlet over type i manhole base) EA 5 6,000.00 $ 30,000.00 Manholes (type III) EA 1 $ 18,000.00 $ 18,000.00
8" Water Line (including all appurtenances) LF 1,170 80.00 93,600.00 Resilient Gate Valve EA 4 2,600.00 10,400.00
Fire Hydrants EA 3 11,000.00 33,000.00
Blow-Off Valve EA 3 1,500.00 4,500.00
8" Non-Portable Water Line (inciuding all appurtenances) LF 990 80.00 $ 79,200.00 Total $ 1,293,000.00

CITY OF LATHROP

PROJECT ACCEPTANCE
(GASB 34 REPORT)
Submitted by: Date: 1/22/2025
Tract No.: River Islands - Del Webb Haverhill Lane
Item Unit Qty Unit Price Amount

4.5" AC Paving SF 76,900 2.25 173,025.00
8" Aggregate Base 76,900 1.20 92,280.00
Vertical Curb and Gutter (with AB cushion) 2,330 25.00 58,250.00 Concrete Sidewalk 18,200 109.200.00
Handicap Ramps 15.000.00
Survey Monuments EA 3 900.00
Traffic Striping & Signing LF 1,180 5,900.00
-
15" Storm Drain Pipe LF 440 .00
50000 8,100.00
18" Storm Drain Pipe LF 90
24" Storm Drain Pipe LF 620 120.00
Catch Basins (type / inlet over type / manhole base) EA 7 Catch Basins (type C inlet) EA 1 4,000.00
Manholes (type 1) EA 1 $ 9,000.00
8" Sanitary Sewer Pipe LF 80 90.00 7,200.00
12" Sanitary Sewer Pipe LF 70
30" Sanitary Sewer Pipe LF 80
Manholes (trunk) EA 3
8" Water Line (including all appurtenances) LF 50 80.00 12 Water Line (including all appurtenances) LF 1,210
Resilient Gate Valve EA 6
Fire Hydrants EA 3
Blow-Off Valve EA 3 4,500.00
8" Non-Portable Water Line (including all appurtenances) LF 990 $ 80.00 79,200.00 Blow-Off Valve EA $ $ 1,500.00
24" Lake Fill Water Line (including all appurtenances) LF 520 192,400.00 Blow-Off Valve EA 1 1,500.00
Total $ 1,187,000.00

CITY OF LATHROP

PROJECT ACCEPTANCE
(GASB 34 REPORT)
Submitted by: Date: 1/21/2025
Tract No.: River Islands - Harbor View Avenue
Item Unit Qty Unit Price Amount

4.5" AC Paving SF 94.500 2.25 212,625.00
8" Aggregate Base SF 1.20 113.400.00
Vertical Curb and Gutter (with AB cushion) LF 25.00 78,500.00 Rolled Curb and Gutter (with AB cushion) LF lesles/es/es/es/es 30000 les/es/e/6A/60/60 22,500.00 Type F Median (with AB cushion) LF 6,300.00
Concrete Sidewalk SF 186,000.00
Driveway Approach EA 19,800.00
Handicap Ramps EA 35,000.00
Trate rong & Signing EA les/es/es/es 2,100.00
LF 2,030 10,150.00
15" Storm Drain Pipe LF 70 80.00 5,600.00
24" Storm Drain Pipe LF 260 120.00 31,200.00
150 EA GA GA LA
30" Storm Drain Pipe LF 150.00 22,500.00
36" Storm Drain Pipe LF 960 190.00 182,400.00
48" Storm Drain Pipe LF 960 $ 350.00 $ 336,000.00
Catch Basins (type / inlet over type / manhole base) EA 6,500.00 26,000.00 Catch Basins (type I inlet over type Il manhole base) EA 13,000.00 39,000.00 Catch Basins (type / inlet over type ill manhole base) EA 18,000.00 108,000.00 Catch Basins (type C inlet) EA 3 4,000.00 12,000.00
Manholes (type /i) EA 1 14,000.00 14,000.00
Manholes (type Ill) EA 4 18,000.00 72,000.00
8" Sanitary Sewer Pipe LF 2,240 90.00 201,600.00
10" Sanitary Sewer Pipe LF 50 130.00 6,500.00
les|en/en/en
Manholes (type /) EA 10,000.00 80,000.00
Sewer Service EA 21 2.500.00 52,500.00
8" Water Line (including all appurtenances) LF 2,440 80.00 195,200.00 Resilient Gate Valve EA 16 2,600.00 41,600.00
Fire Hydrants EA 4 11,000.00 16s|6A/6A/67/60 44,000.00

1.5" Water Service EA 21 2,500.00 52,500.00
Blow-Off Valve EA 4 1,500.00 6,000.00
10" Non-Portable Water Line (including all appurtenances) LF 2,040 100.00 $ 204,000.00 Blow-Off Valve EA 1 $ 1,500.00 1,500.00
Total $ 2,420,000.00

CITY OF LATHROP

PROJECT ACCEPTANCE
(GASB 34 REPORT)
Submitted by: Date: 1/22/2025
Tract No.: River Islands - Callerton Avenue
Item Unit Qty Unit Price Amount

4.5" AC Paving SF 348,400 2.25 783,900.00
8" Aggregate Base 348,400 1.20 418,080.00
Vertical Curb and Gutter (with AB cushion) 54 4 25.00 267,500.00 Type F Median Curb (with AB cushion) 30.00 201,000.00
Concrete Sidewalk SF 501,000.00
Driveway Approach EA 3,600.00
Handicap Ramps EA 45,000.00
Survey Monuments EA 8 300.00 2,400.00
Traffic Striping & Signing LF 5,810 5.00 29.050.00
15" Storm Drain Pipe LF 2,110 80.00 168,800.00
18" Storm Drain Pipe LF 540 90.00 48,600.00
en|en/es/es
24" Storm Drain Pipe LF 1,670 120.00 200,400.00
30" Storm Drain Pipe 180 150.00 27,000.00
36" Storm Drain Pipe LF 280 190.00 53,200.00
48" Storm Drain Pipe LF 50 $ 350.00 $ 17,500.00
Catch Basins (type A inlet) EA 10 4,500.00 $ 45,000.00
Catch Basins (type A inlet over type / manhole base) EA 16 6,000.00 $ 96,000.00 Catch Basins (type A inlet over type il manhole base) EA 2 13.000.00 26,000.00 Manholes (type /) EA 9.000.00 9,000.00

EA GA EA GA
Manholes (type lI) EA 2 les/en/es 14,000.00 28,000.00
Storm Drain Outfall EA 5,000.00 15,000.00
4" Sanitary Sewer Force Main Pipe LF 2,150 70.00 150.500.00 8" Sanitary Sewer Force Main Pipe 2,150 90.00 193,500.00 8" Sanitary Sewer Pipe 520 90.00 $ 46.800.00
12" Sanitary Sewer Pipe 30 150.00 4,500.00
18" Sanitary Sewer Pipe LF 3.000 180.00 540.000.00
30" Sanitary Sewer Pipe LF 210 240.00 les/en/es/en/en 50,400.00 Manholes (type I) EA 3 10,000.00 30,000.00
Manholes (trunk) EA 11 14,000.00 154,000.00
8" Water Line (including all appurtenances) 390 80.00
12" Water Line (including all appurtenances) LF 5,300 120.00 Resilient Gate Valve EA 26
Fire Hydrants EA 12
Air Release Valve EA 2 es/es/es 8,000.00
Blow-Off Valve EA 10
8" Non-Portable Water Line (including all appurtenances) LF 100 80.00 10" Non-Portable Water Line (including ali appurtenances) LF 2,500 100.00 16" Non-Portable Water Line (including all appurtenances) LF 150.00 les/es/en/es/es Resilient Gate Valve EA 2,000 cs|es/6s/60/69/69/60 2,600.00 Butterfly Valve EA 2.600.00 7,800.00
Air Release Valve EA 4,000.00
Blow-Off Valve EA 8 7,500.00 $
42" Pipe Culvert LF 300 120.00
Rip Rap LS 1 5,000.00
Geogrid LS 1 les/es/es/es 5,000.00
Guardrail LF 300 $
Chain Link Fence LF 150 $ 40.00
Total

CITY OF LATHROP

PROJECT ACCEPTANCE
(GASB 34 REPORT)
Submitted by: Date: 1/21/2025
Tract No.: River Islands - Del Webb Addison Avenue
Item Unit Qty Unit Price Amount

4.5" AC Paving SF 63,700 2.25 143.325.00
8" Aggregate Base SF 62,200 1.20 76,440.00
Vertical Curb and Gutter (with AB cushion) LF les/es 25.00 56,250.00 Rolled Curb and Gutter (with AB cushion) LF 1,660 25.00 41,500.00 Roundabout Curb (with AB cushion) LF 500 15.00 7,500.00 Splitter Islands Curb (with AB cushion) LF 450 35.00 lesles/es/es/es/es/es/es/es/es 15,750.00 Roundabout Concrete SF 4,280 15.00 64.200.00
Concrete Sidewalk SF 15,400 6.00 92,400.00
Driveway Approach EA 33 600.00 19,800.00
Handicap Ramps EA 2,500.00 35,000.00
EA 300.00 2,100.00
Traffic Striping & Signing LF 1,490 5.00 7,450.00
15" Storm Drain Pipe 190 80.00 15,200.00
18" Storm Drain Pipe LF 790 90.00 71,100.00
24" Storm Drain Pipe LF 500 120.00 60,000.00
36" Storm Drain Pipe 140 190.00 26,600.00
42" Storm Drain Pipe LF 70 330.00 23,100.00
Catch Basins (type / inlet over type / manhole base) EA 6,500.00 52,000.00 EA 9,000.00 27,000.00
EA 1 14,000.00 14,000.00
8" Sanitary Sewer Pipe 1,480 90.00 133,200.00
18" Sanitary Sewer Pipe 100 180.00 18,000.00
30" Sanitary Sewer Pipe LF 80 240.00 00/00/60/60/60 19,200.00 Manholes (type /) EA 10,000.00 40,000.00
Sewer Service EA 33 2,500.00 82,500.00
8" Water Line (including all appurtenances) 1,020 80.00 $ 81,600.00 12" Water Line (including all appurtenances) LF 850 120.00 102.000.00 Resilient Gate Valve EA 12 2,600.00 31,200.00
Fire Hydrants EA 2 en en 11.000.00 22,000.00

1.5" Water Service EA 33 2,500.00 82,500.00
Blow-Off Valve EA 5 1,500.00 7,500.00
8" Non-Portable Water Line (including all appurtenances) LF 1,320 80.00 10" Non-Portable Water Line (including all appurtenances) LF 310 Resilient Gate Valve EA 5
Blow-Off Valve EA 3 $
6" Lake Fill Water Line (including all appurtenances) LF 100 80.00 24" Lake Fill Water Line (including all appurtenances) LF 240 Blow-Off Valve EA 1
Total

CITY OF LATHROP

PROJECT ACCEPTANCE
(GASB 34 REPORT)
Submitted by: Date: 1/22/2025
Tract No.: River Islands - Del Webb Bradbury Avenue
Item Unit Qty Unit Price Amount

4.5" AC Paving SF 30,300 2.25 68,175.00
8" Aggregate Base SF 30,300 1.20 les/es 36,360.00
Vertical Curb and Gutter (with AB cushion) 250 25.00 les 6,250.00 Rolled Curb and Gutter (with AB cushion) LF 1,650 25.00 $ 41,250.00 Concrete Sidewalk SF 10,300 6.00 61,800.00
Driveway Approach EA 600.00 15,600.00
Handicap Ramps EA les/es/en/es 2,500.00 5,000.00
Survey Monuments EA 300.00 900.00
Traffic Striping & Signing LF 1,100 $ 5.00 $ 5,500.00
15" Storm Drain Pipe 140 80.00 11,200.00
18" Storm Drain Pipe 570 90.00 51,300.00
42" Storm Drain Pipe 30 /60/60/60/6A/67 330.00 9,900.00 es/es/es/es/en/es
48" Storm Drain Pipe 190 350.00 66,500.00
Catch Basins (type / inlet over type / manhole base) EA 6,500.00 39,000.00 Catch Basins (type / inlet over type Ill manhole base) EA 2 $ 18,000.00 36,000.00 8" Sanitary Sewer Pipe LF 820 90.00 73,800.00
Manholes (type /) EA 3 6s/60/69 10,000.00 30,000.00
Sewer Service EA 26 2,500.00 65,000.00
8" Water Line (including all appurtenances) LF 1,060 80.00 84,800.00 Resilient Gate Valve EA 4 160/60 2.600.00 10,400.00
Fire Hydrants EA 2 11,000.00 |EA|EA/EA|EA/EA 22,000.00

1.5" Water Service EA 26 $ 2,500.00 65,000.00
Blow-Off Valve EA 1,500.00 1,500.00
8" Non-Portable Water Line (including all appurtenances) LF 990 80.00 79,200.00 24" Lake Fill Water Line (including all appurtenances) LF 230 $ 370.00 85,100.00 Total 972,000.00

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