Combined_Engineers_Estimate.pdf
PDF 420 KB Posted
- Solicitation number
- IFB #25030
- Issued by
- Greenville County, South Carolina
About this file
This document is an Engineer's Estimate dated July 2024 for two stream restoration and riparian reclamation projects commissioned by Greenville County, South Carolina, through an ARPA-Funded Stormwater Infrastructure Program (ASIP) grant from the South Carolina Office of Resilience (SCOR). The projects include the Little Creek Stream Improvement and North Chastain Stream Restoration, targeting two separate locations within the Reedy River watershed. The Little Creek project encompasses a 6.5-acre reforestation effort with 1,400 linear feet of stream restoration, while the North Chastain project involves a 5.5-acre reforestation and 1,200 linear feet of stream restoration across two tributaries. The estimate details comprehensive work including mobilization, erosion and sediment control, clearing and grubbing, excavation, grading, installation of various stream features like cross vanes, boulder walls, and riffles, as well as extensive vegetation establishment using different sizes of trees, shrubs, and plant materials.
The total project cost is estimated at $1,405,890.85, with the North Chastain portion totaling $591,456.23 and the Little Creek portion at $814,434.62. The project is funded through ARPA and focuses on floodplain buyout properties acquired in 2010 to reduce flood risks. The restoration work includes technical elements such as bank grading, soil lifts, coir and turf reinforcement matting, boulder treatments, and instream feature installations. The Notice to Proceed is contingent on pending permit approvals, indicating potential timeline flexibility. The estimate provides detailed unit pricing for each project component, ranging from mobilization costs to specific vegetation and stream restoration elements, offering a comprehensive breakdown of anticipated expenses for each project phase.
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Text version
ITEM # DESCRIPTION QTY UNIT UNIT PRICE TOTAL PRICE
1 MOBILIZATION - LS - 53,772.55$
2 EROSION AND SEDIMENT CONTROL - LS - 61,078.89$
3 CLEARING AND GRUBBING 6.3 AC 2,539.68$ 16,000.00$
EXCAVATION, FILLING, AND GRADING
(CUT=2250CY, FILL=420CY, NET=1830CY)
1,830 CY 61.50$ 112,545.00$
5 CROSS VANE 1 EA 9,800.00$ 9,800.00$
6 SINGLE ARM VANE 2 EA 4,900.00$ 9,800.00$
7 BOULDER WALL 1 EA 9,745.00$ 9,745.00$
8 BOULDER RIFFLE 4 EA 3,900.00$ 15,600.00$
9 BOULDER TOE 510 LF 131.25$ 66,937.50$
10 TOE ROCK 980 LF 61.25$ 60,025.00$
COIR TURF REINFORCEMENT MATTING
(700G)
4,440 SY 17.45$ 77,478.00$
COIR TURF REINFORCEMENT MATTING
(320G)
1,160 SY 8.73$ 10,126.80$
13 PERMANENT TRM 150 SY 39.25$ 5,887.50$
TURF ERADICATION AND SEEDBED
PREPARATION
6.3 AC 1,000.00$ 6,300.00$
SEEDING, MULCHING AND VEGETATION
ESTABLISHMENT
6.3 AC 3,750.00$ 23,625.00$
16 LIVE STAKES 100 BN 87.50$ 8,750.00$
17 BALLED BURLAPPED TREE/SHRUB 0 EA 400.00$ -$
18 7-GALLON TREE/SHRUB 203 EA 100.00$ 20,300.00$
19 3-GALLON TREE/SHRUB 541 EA 25.00$ 13,525.00$
20 PLUGS/BARE ROOT STEMS 2,230 EA 2.00$ 4,460.00$
21 HEADWALL 1 EA 5,700.00$ 5,700.00$
591,456.23$
NORTH CHASTAIN STREAM RESTORATION AND RIPRARIAN RECLAMATION:
ENGINEER'S ESTIMATE
JULY 2024
NORTH CHASTAIN SUBTOTAL
ITEM # DESCRIPTION QTY UNIT UNIT PRICE TOTAL PRICE
1 MOBILIZATION - LS - 71,653.62$
2 EROSION AND SEDIMENT CONTROL - LS - 89,198.89$
3 CLEARING AND GRUBBING 7 AC 2,158.73$ 15,111.11$
EXCAVATION, FILLING, AND GRADING
(CUT=2950CY, FILL=530CY, NET=2420CY)
2,950 CY 49.83$ 146,998.50$
5 CROSS VANE 1 EA 9,800.00$ 9,800.00$
6 SINGLE ARM VANE 2.0 EA 4,900.00$ 9,800.00$
7 BOULDER TOE 840 LF 131.25$ 110,250.00$
8 TOE ROCK 1,350 LF 61.25$ 82,687.50$
COIR TURF REINFORCEMENT MATTING
(700G)
3,000 SY 17.45$ 52,350.00$
COIR TURF REINFORCEMENT MATTING
(320G)
1,600 SY 5.63$ 9,008.00$
11 PERMANENT TRM 1,600 SY 47.34$ 75,744.00$
12 VEGETATED CONCRETE BLOCK MATTING 200 SY 220.00$ 44,000.00$
TURF ERADICATION AND SEEDBED
PREPARATION
7 AC 1,000.00$ 7,000.00$
SEEDING, MULCHING AND VEGETATION
ESTABLISHMENT
7.0 AC 3,750.00$ 26,250.00$
15 LIVE STAKES 100 BN 87.50$ 8,750.00$
16 BALLED BURLAPPED TREE/SHRUB 45.0 EA 400.00$ 18,000.00$
17 7-GALLON TREE/SHRUB 222 EA 100.00$ 22,200.00$
18 3-GALLON TREE/SHRUB 533 EA 25.00$ 13,325.00$
19 PLUGS/BARE ROOT STEMS 1,154 EA 2.00$ 2,308.00$
814,434.62$
1,405,890.85$
LITTLE CREEK STREAM RESTORATION AND RIPRARIAN RECLAMATION:
ENGINEER'S ESTIMATE
JULY 2024
PROJECT TOTAL
LITTLE CREEK SUBTOTAL
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