Details for SCOTT COUNTY ENGINEERS OFFICE - Ad from 2021-04-28

NOTICE TO BIDDERS
Sealed bids will be received at the Scott County Engineer’s Office, 950 E. Blackhawk Trail, Eldridge,
Iowa, 52748 until 10:00 A.M., May 14, 2021, for the construction of a RCB Culvert Replacement
Project-Twin Box. Project L-520 is on 60th Avenue over an unnamed creek in Section 7,
Township 78N, Range 2E.
Project Description
L-520 Twin 12’ x 7’ x 58’-0” RCB Culvert Replacement Project
Item
Description
1
SPECIAL BACKFILL
2
EMBANKMENT-IN-PLACE
3
EXCAVATION, CLASS 10, ROADWAY AND BORROW
4
EXCAVATION, CLASS 10, CHANNEL
5
TOPSOIL, STRIP, SALVAGE AND SPREAD
6
GRANULAR SURFACING ON ROAD, CLASS A CRUSHED STONE
7
REMOVAL OF EXISTING STRUCTURES
8
EXCAVATION, CLASS 20
9
STRUCTURAL CONCRETE (RCB CULVERT)
10 REINFORCING STEEL
11 TEMPORARY STREAM DIVERSION
12 SUBDRAIN, TILE, 4 IN. DIA.
13 SUBDRAIN, TILE, 10 IN. DIA.
14 SUBDRAIN OUTLET, DR-305
15 REMOVAL OF STEEL BEAM GUARDRAIL
16 ENGINEERING FABRIC
17 REVETMENT, CLASS E
18 REVETMENT, REMOVE AND REPLACE
19 CONSTRUCTION SURVEY
20 SAFETY CLOSURE
21 TRAFFIC CONTROL
22 MOBILIZATION
23 MULCHING
24 SEEDING AND FERTILIZING (RURAL)
25 STABILIZING CROP - SEEDING AND FERTILIZING
26 SILT FENCE
27 SILT FENCE FOR DITCH CHECKS
28 MAINTENANCE OF SILT FENCE OR SILT FENCE FOR DITCH CHECK
29 PERIMETER AND SLOPE SEDIMENT CONTROL DEVICE, 12 IN. DIA.
30 MOBILIZATIONS, EROSION CONTROL
31 MOBILIZATIONS, EMERGENCY EROSION CONTROL
Late Start Date – May 16, 2022
Working Days - 45

Quantity
95
630
300
820
1,650
400
1
1,055
232
34,246
1
40
105
3
244
140
100
10
1
2
1
1
2
1
1
915
68
983
430
1
1

Units
TON
CY
CY
CY
CY
TON
LS
CY
CY
LB
EACH
LF
LF
EACH
LF
SY
TON
CY
LS
EACH
LS
LS
ACRE
ACRE
ACRE
LF
LF
LF
LF
EACH
EACH

Prospective bidders must be on the Iowa Department of Transportation’s current list of Qualified
Bidders.
Plans, bidder documents and information may be obtained from the Scott County Engineer’s Office,
950 E. Blackhawk Trail, Eldridge, Iowa, 563-326-8640.
Angela K. Kersten, P.E.
Scott County Engineer

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