01_29_01_Amendment_0004.pdf
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01 29 01 Amendment 0004
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Boardman Dam Removal and River Restoration
SECTION TABLE OF CONTENTS
DIVISION 01 - GENERAL REQUIREMENTS
SECTION 01 29 01
MEASUREMENT AND PAYMENT
PART 1 GENERAL
1.1 SINGLE JOB PAYMENT ITEMS
1.2 UNIT PRICE PAYMENT ITEMSS
PART 2 MEASUREMENTS AND MATERIALS
2.1 GENERAL
2.2 BID ITEM DIVISION 1 - DAM BREACHING
2.3 BID ITEM DIVISION 2 - BOARDMAN DAM DEMOLITION
2.4 BID ITEM DIVISION 3 - CASS ROAD CONSTRUCTION
2.5 BID ITEM DIVISION 4 - RIVER RESTORATION
2.6 BID ITEM DIVISION 5 - OPTIONS
2.7 BID ITEM DIVISION 6 - INCIDENTALS
PART 3 EXECUTION (NOT USED)
-- End of Section Table of Contents --
SECTION 01 29 01 Page 1
SECTION 01 29 01
MEASUREMENT AND PAYMENT
PART 1 GENERAL
1.1 SINGLE JOB PAYMENT ITEMS
Payment items for the work of this contract for which contract job payments will be made are listed in the BIDDING SCHEDULE and described below. All costs for items of work, which are not specifically mentioned to be included in a particular job or unit price payment item, are included in the listed job item most closely associated with the work involved. The job price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.
1.2 UNIT PRICE PAYMENT ITEMSS
Payment items for the work of this contract on which the contract unit price payments will be made are listed in the BIDDING SCHEDULE and described below. The unit price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for each of the unit price items.
PART 2 MEASUREMENTS AND MATERIALS
2.1 GENERAL
A. The pay items listed below describe the measurement of and payment for the Work to be done under the respective items listed on the Bid Schedule. The components of Work include specialty items involving:
1. Dam Breaching.
a. Earthwork and Site Preparation
b. Temporary Auxiliary Spillway
c. Auxiliary Spillway Stilling Basin
d. Siphon Stilling Basin
e. Corewall Demolition
f. Temporary Siphon Dewatering System
g. Restoration Channel Through Dam
h. Incidental Construction and Revegetation
2. Boardman Dam Demolition.
a. Powerhouse
b. Dam Demolition
c. Bridge and Structure Below
3. Cass Road Construction.
a. HMA
b. Shoulder
c. Base
d. Embankment
SECTION 01 29 01 Page 2
e. Miscellaneous
f. Removals
4. River Restoration
a. Boardman - Sediment Management and Restoration
5. Boardman - Options
a. Boardman - Option Items
6. Incidentals
a. General Project Items
B. Each unit or Job price stated in the Bid shall constitute full compensation, as herein specified, for each item of the Work completed.
2.2 BID ITEM DIVISION 1 - DAM BREACHING
A. Site Clearing
1. Bid Item Division 1, Item 1 shall be paid for at the Contract Job price for site clearing of trees and vegetation.
2. Provide all labor, materials, equipment, and incidentals necessary for the clearing of trees and vegetation within the Project Limits of Disturbance including Cass Road Construction area as shown on the Drawings. Protect trees as indicated on Drawings. No trees within the clearing area are anticipated to meet the criteria for in stream large wood.
3. Job Price shall include known Drawing quantity of 2 AC. Interim payments will be based on percentage completed. Engineers estimate, 2 AC of area (plan quantity) for information only. Contractor to verify quantities.
B. Excavation - Dam Top Cut
1. Bid Item Division 1, Item 2 shall be paid for at the Contract Job price for excavated soil.
2. Provide all labor, materials, equipment, and incidentals necessary for excavation of soils on top of the earthen dam embankment. Excavation shall be performed in the dry and prior to installation of the temporary auxiliary spillway, auxiliary spillway stilling basin, siphon stilling basin, and temporary siphon dewatering system.
Excavated soils shall be placed within the temporary spoils storage area shown on the Drawings.
3. The Job price of Dam Excavation (top cut) to be paid for shall include toal estimated quantity of 11,700 CY, only the volume required for excavation and transportation of the existing earthen berm dam from its existing condition down to elevation 646 as shown on the plan drawings.Engineers estimate, 11,700 CY of material (plan quantity) for information only. Contractor to verify quantities.
4. No measurements will be made of the quantity of Dam Excavation (Top Cut) shown on the plans.
C. Excavation - Spillway Channel
1. Bid Item Division 1, Item 3 shall be paid for at the Contract Job price for excavated soil placed in the designated temporary spoils storage area.
2. Provide all labor, materials, equipment, and incidentals necessary for excavation of soils designated in the area of the auxiliary spillway channel. Excavation shall be performed in the dry. Excavated soil shall be placed within the temporary spoils storage area shown on the Drawings.
3. Job Price shall include known Drawing quantity of 8,000 CY. Interim payments will be based on percentage completed. Engineers estimate, 8,000 CY of material (plan quantity) for information only. Contractor
SECTION 01 29 01 Page 3 to verify quantities.
D. Articulated Concrete Block System
1. Bid Item Division 1, Item 4 shall be paid for at the Contract Job price for the total quantity of articulated block system required for the project.
2. Provide all labor, materials, equipment, and incidentals necessary for the construction and removal of the articulated concrete block system as shown on the Drawings. This item shall include the geotextile fabric, geogrid, drainage aggregate layer, mechanical anchors, grout, concrete end seams, articulated block mats, installation, and all associated equipment.
3. Payment shall be made based on Government Representative's measurement of the articulated block system installed.
E. Excavation - Stilling Basin, Bottom of Chute
1. Bid Item Division 1, Item 5 shall be paid for at the Contract Job price for excavated soil placed in the designated temporary spoils storage area.
2. Provide all labor, materials, equipment, and incidentals necessary for excavation of soils designated in the area of the auxiliary spillway stilling basin. Some excavation may occur in the wet. Excavated soil shall be placed within the temporary spoils storage area shown on the Drawings.
3. Job price shall include known Drawing quantity of 300 CY. Interim payments will be based on percentage completed.Engineers estimate, 300 CY of material (plan quantity) for information only. Contractor to verify quantities.
F. Engineered Earth Fill - Stilling Basin and Tailwater Berms
1. Bid Item Division 1, Item 6 shall be paid for at the Contract unit price per cubic yard of engineered earth fill placed in the auxiliary spillway stilling basin and tailwater berms.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of engineered earth fill designated in the Drawings of the auxiliary spillway stilling basin and tailwater berm. Placement of engineered earth fill shall only occur after excavation of the auxiliary spillway stilling basin is complete.
3. Payment shall be made based on Field Engineer measurements of installed material.
G. Filter Fabric / Geotextile - Stilling Basin
1. Bid Item Division 1, Item 7 shall be paid for at the Contract unit price per square yard of filter fabric / geotextile placed in the auxiliary spillway stilling basin.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of filter fabric / geotextile designated in the Drawings of the auxiliary spillway stilling basin. Placement of filter fabric shall only occur after excavation of the auxiliary spillway stilling basin is complete and elevations have been approved by COR.
3. Payment shall be made based on Field Engineer measurements of installed material.
H. AASHTO #1 and #2 Bedding Stone for Stilling Basin
1. Bid Item Division 1, Item 8 shall be paid for at the Contract unit price per ton of AASHTO #1 and #2 Bedding Stone placed in association with the auxiliary spillway stilling basin.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of AASHTO #1 and #2 Bedding Stone designated in the
SECTION 01 29 01 Page 4
Drawings of the auxiliary spillway stilling basin.
3. Payment shall be made based on truck transport tickets received by the
Government Representative that indicate the type and amount of material delivered to the site.
I. R-1500 Rip-Rap for Energy Dissipation
1. Bid Item Division 1, Item 9 shall be paid for at the Contract unit price per ton of R-1500 rip-rap placed for energy dissipation associated with the auxiliary spillway stilling basin and tailwater berm.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of R-1500 rip-rap designated in the Drawings of the auxiliary spillway stilling basin and tailwater berm.
3. Payment shall be made based on truck transport tickets received by the Government Representative that indicate the type and amount of material delivered to the site.
J. R-700 Rip-Rap
1. Bid Item Division 1, Item 10 shall be paid for at the Contract unit price per ton of R-700 rip-rap with the auxiliary spillway stilling basin, tailwater berm, and siphon outlet energy dissipation structure.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of R-700 rip-rap designated in the Drawings of the auxiliary spillway stilling basin, tailwater berm, and siphon outlet energy dissipation structure.
3. Payment shall be made based on truck transport tickets received by the Government Representative that indicate the type and amount of material delivered to the site.
K. R-300 Rip-Rap
1. Bid Item Division 1, Item 11 shall be paid for at the Contract unit price per ton of R-300 rip-rap with the auxiliary spillway stilling basin and tailwater berm.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of R-300 rip-rap designated in the Drawings of the auxiliary spillway stilling basin and tailwater berm.
3. Payment shall be made based on truck transport tickets received by the Government Representative that indicate the type and amount of material delivered to the site.
L. Grout for Rip-Rap
1. Bid Item Division 1, Item 12 shall be paid for at the Contract unit price per cubic yard of grout placed with rip-rap associated with the auxiliary spillway stilling basin and tailwater berm.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of grout in and around rip-rap as designated in the Drawings of the auxiliary spillway stilling basin and tailwater berm.
3. Payment shall be made based on truck transport tickets received by the Government Representative that indicate the type and amount of material deliverd to the site for the grouting of riprap associated with the construction of the auxiliary spillway stilling basin and tailwater berm.
M. Jersey Barrier
1. Bid Item Division 1, Item 13 shall be paid for at the Contract unit price each jersey barrier delivered to the Project site and installed within the auxiliary spillway stilling basin.
2. Provide all labor, materials, equipment, and incidentals necessary for delivery and installation of jersey barriers within the auxiliary
SECTION 01 29 01 Page 5 spillway stilling basin.
3. Payment shall be made based on each jersey barrier installed.
N. 36" HDPE Culverts
1. Bid Item Division 1, Item 14 shall be paid for at the Contract unit price per linear foot of 36" HDPE pipe delivered to the Project site and installed within the auxiliary spillway stilling basin tailwater berm.
2. Provide all labor, materials, equipment, and incidentals necessary for delivery and installation of the 36" HDPE pipes within the auxiliary spillway stilling basin tailwater berm.
3. Payment shall be made based on the Field Engineer's measurement of 36" HDPE pipe installed.
O. Earthwork - Siphon Stilling Basin
1. Bid Item Division 1, Item 15 shall be paid for at the Contract Job price for excavated soil placed in the designated temporary spoils storage area.
2. Provide all labor, materials, equipment, and incidentals necessary for excavation of soils designated in the area of the siphon stilling basin. Excavation shall be performed in the dry. Excavated soil shall be placed within the temporary spoils storage area shown on the Drawings.
3. Job price shall include known Drawing quantity of 200 CY. Interim payments will be based on percentage completed. Engineers estimate, 200 CY of material (plan quantity) for information only. Contractor to verify quantities.
P. R-300 Rip-Rap
1. Bid Item Division 1, Item 16 shall be paid for at the Contract unit price per ton of R-300 rip-rap with the siphon outlet energy dissipation structure.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of R-300 rip-rap designated in the Drawings of the siphon outlet energy dissipation structure.
3. Payment shall be made based on truck transport tickets received by the Government Representative that indicate the type and amount of material delivered to the site.
Q. Filter Fabric / Geotextile - Siphon Stilling Basin
1. Bid Item Division 1, Item 17 shall be paid for at the Contract unit price per square yard of filter fabric / geotextile placed in the siphon stilling basin.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of engineered earth fill designated in the Drawings of the auxiliary spillway stilling basin. Placement of filter fabric / geotextile shall only occur after excavation of the siphon stilling basin is complete and elevations have been confirmed by Government Representative.
3. Payment shall be made based on Field Engineer measurements of installed material.
R. AASHTO #1 and #2 Bedding Stone - Siphon Stilling Basin.
1. Bid Item Division 1, Item 18 shall be paid for at the Contract unit price per ton of AASHTO #1 and #2 Bedding Stone placed in the siphon stilling basin.
2. Provide all labor, materials, equipment, and incidentals necessary for placement of AASHTO #1 and #2 Bedding Stone in the Drawings of the siphon stilling basin.
SECTION 01 29 01 Page 6
3. Payment shall be made based on truck transport tickets received by the Government Representative that indicate the type and amount of material delivered to the site for the construction of the siphon stilling basin.
S. Corewall & Sheetpile Removal
1. Bid Item Division 1, Item 19 shall be paid for at the Contract Job price for concrete corewall and sheetpile wall removed from the Boardman Dam earthen embankment.
2. Provide all labor, materials, equipment, and incidentals necessary for removal of the concrete corewall and sheetpile wall designated in the Drawings.
3. Job price shall include estimated quantity of 995 CY. Engineers estimate, 995 CY of material (plan quantity) for information only.
Contractor to verify quantities.
T. Temporary Siphon Dewatering System Installation and Removal
1. Bid Item Division 1, Item 20 shall be paid for at the Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary for installation and removal of the temporary siphon dewatering system as indicated on the Drawings. Materials include temporary siphon dewatering pumping pad, HDPE pipe, priming pumps, valves, intake screens, and mooring buoys.
U. Operation of Temporary Siphon Dewatering System
1. Bid Item Division 1, Item 21 shall be paid for at the Contract Job price.
2. Provide all labor, materials, equipment, fuel, and incidentals necessary for operation of the temporary siphon dewatering system.
This includes the dewatering of Boardman impoundment from approximate starting water surface elevation of 640' down to a water surface elevation of 627'.
V. Excavation - Restoration Channel
1. Bid Item Division 1, Item 22 shall be paid for at the Contract Job price for excavated soil placed in the powerhouse intake channel.
2. Provide all labor, materials, equipment, and incidentals necessary for excavation of soils from the earthen embankment associated with the placement of the restored river channel. This work includes nstallation and removal of sand filled bulk bags for management of flow through the excavated channel. Excavation shall be completed after the removal of the temporary siphon dewatering system. Excavated soils shall be placed within the powerhouse intake channel shown on the Drawings.
3. Job price shall include known Drawing quantity of 44,500 CY. Interim payments will be based on percentage completed. Engineers estimate, 44,500 CY of material (plan quantity) for information only. Contractor to verify quantities.
W. Erosion Control
1. Bid Item Division 1, Item 23 shall be paid for at the Contract Job price for erosion control measures implemented at the Project site.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly install soil erosion control measures such as silt fencing, check dams, and sediment traps in accordance with the Specification and Drawings.
3. Payment shall be made based on percentage completed.
SECTION 01 29 01 Page 7
X. Temporary Seeding
1. Bid Item Division 1, Item 24 shall be paid for at the Contract unit price per acre of temporary seeding completed on the Project site.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly install temporary seeding in accordance with the Specifications and Drawings.
3. Payment shall be made based on measurements of seeded area by Field Engineer.
Y. Permanent Seeding
1. Bid Item Division 1, Item 25 shall be paid for at the Contract unit price per acre of permanent seeding completed on the Project site.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly install permanent seeding in accordance with the Specifications and Drawings.
3. Payment shall be made based on measurements of seeded area by Field Engineer.
Z. Top Soil
1. Bid Item Division 1, Item 26 shall be paid for at the Contract unit price per acre of topsoil placed on the Dam embankment and breaching area.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly install topsoil in accordance with the Specifications and Drawings.
3. Payment shall be made based on measurement of topsoiled area by Field Engineer.
AA. Parking Lot and Access Repair
1. Bid Item Division 1, Item 27 shall be paid for at the Contract Job price for parking lot and access repair completed on the Project site.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly repair parking lots and access roads as indicated on the Drawings. Repair of these areas shall be done in accordance with the Specification and Drawings and shall include, but is not limited to finished grading and placement of gravel.
3. Job price shall include estimated area of 2,420 SYD. Engineers estimate, 2,420 SYD of area (plan quantity) for information only.
Contractor to verify quantities.
2.3 BID ITEM DIVISION 2 - BOARDMAN DAM DEMOLITION
A. Powerhouse Superstructure Demolition
1. Bid Item Division 2, Item 1 shall be paid for at the Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary to demolish and dispose of concrete on-site the existing Powerhouse building including, but not limited to the following:
a. Superstructure.
b. Generator Floor.
c. Walls.
d. Scroll Case.
e. Draft Tube.
f. Base Slab.
g. Provide all labor, materials, equipment, and incidentals necessary to complete hazardous materials testing on any suspected hazardous materials contained within the powerhouse in accordance to all environmental and disposal regulations.
SECTION 01 29 01 Page 8
h. Provide all labor, materials, equipment, and incidentals necessary to completely and properly dispose of hazardous materials off-site.
Also include accommodation of two weeks of time to allow The county, the third party owner or their representative to remove all existing powerhouse equipment.
B. Existing Dam and Appurtenances Demolition (Walls, Spillway, Substation)
1. Bid Item Division 2, Item 2 shall be paid for at the Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary to demolish and dispose of concrete on-site the existing dam structures including, but not limited to the following:
a. Downstream Retaining Walls.
b. Wing Walls.
c. Spillway (not including walls below roadway).
d. Substation foundation, columns, deck slabs, beams, and tunnel walls and slab.
C. Existing Bridge and Structure Below Demolition
1. Bid Item Division 2, Item 3 shall be paid for at the Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary to demolish and dispose of concrete on-site the existing Cass Road Bridge and structure below including, but not limited to the following:
a. Bridge Deck.
b. Deck over Intake Selection.
c. Intake Piers.
d. Thick walls around pipe stock.
e. Walls from penstock up to bridge.
f. Slab above penstock.
2.4 BID ITEM DIVISION 3 - CASS ROAD CONSTRUCTION
A. HMA 5E3
1. Bid Item Division 3, Item 1 shall be measured and paid for in accordance with MDOT Standard Specifications.
B. HMA 4E3
1. Bid Item Division 3, Item 2 shall be measured and paid for in accordance with MDOT Standard Specifications.
C. Shoulder, CL II, 6 Inch
1. Bid Item Division 3, Item 3 shall be measured and paid for in accordance with MDOT Standard Specifications.
D. Aggregate Base, 8 inch
1. Bid Item Division 3, Item 4 shall be measured and paid for in accordance with MDOT Standard Specifications.
E. Embankment, CIP
1. Bid Item Division 3, Item 5 shall be measured and paid for in accordance with MDOT Standard Specifications.
F. Turf Establishment, Performance
1. Bid Item Division 3, Item 6 shall be paid for at the Contract unit price per square yard.
2. Provide all labor, equipment and materials and incidentals necessary to
Install, maintain, inspect, repair and meet the acceptance parameters
SECTION 01 29 01 Page 9 for turf establishment.
3. Payment shall be made based on measurements of Turf Establishment area by Field Engineer.
G. Erosion Control, Silt Fence
1. Bid Item Division 3, Item 7 shall be measured and paid for in accordance with MDOT Standard Specifications.
H. Erosion Control, Sediment Trap
1. Bid Item Division 3, Item 8 shall be measured and paid for in accordance with MDOT Standard Specifications.
I. Erosion Control, Check Dam, Stone
1. Bid Item Division 3, Item 9 shall be measured and paid for in accordance with MDOT Standard Specifications.
J. Excavation, Earth
1. Bid Item Division 3, Item 10 shall be measured and paid for in accordance with MDOT Standard Specifications.
K. HMA Surface, Rem
1. Bid Item Division 3, Item 11 shall be measured and paid for in accordance with MDOT Standard Specifications.
L. Guardrail, Rem
1. Bid Item Division 3, Item 12 shall be measured and paid for in accordance with MDOT Standard Specifications.
M. Barrier, Rem
1. Bid Item Division 3, Item 13 shall be measured and paid for in accordance with MDOT Standard Specifications.
N. Traffic Signal Removal
1. Bid Item Division 3, Item 14 shall be paid at the Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly remove traffic signals in accordance with the Drawings and MDOT Standard Specifications Division 8, sections 819 and 820.
3. Payment shall be made based on percentage completed.
O. Maintenance of Traffic Permanent Signs and Permanent Pavement Markings
1. Bid Item Division 3, Item 15 shall be measured and paid at the
Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary to maintain traffic, Install Permanent Signs and application of Permanent Pavement Markings in accordance with the Specifications and Drawings.
3. Payment shall be made based on percentage completed.
2.5 BID ITEM DIVISION 4 - RIVER RESTORATION
A. Excavation - Restored River Channel and Floodplain
1. Bid Item Division 4, Item 1 shall be paid for at the Contract Job price for sediment, soil, or other materials excavated or removed from the new stream channel and floodplain, loaded, hauled and disposed in the designated spoils areas or as otherwise indicated.This ITEM does not include excavation through the dam embankment, stations 174+00 to 179+00.
2. Provide all labor, materials, equipment, and incidentals necessary for excavation from the upper impoundment, through the delta area, through
SECTION 01 29 01 Page 10 the lower impoundment, between the dam embankment and Cass Road, and from Cass Road to Sabin Pond as indicated on the Drawings. Excavation shall be performed both in the wet and in the dry. Excavated materials shall be placed within the spoils areas shown on the Drawings.
3. Payment shall be made based based on the total estimated design quantity of 286,065 CY, which is based on comparison of the existing topography and design topography for river and floodplain shown on the Drawings excluding the station range indicated above. No measurement will be made for this item. Engineers estimate, 286,065 CY of material (plan quantity) for information only. Contractor to verify quantities.
B. Install and Maintain Sediment Traps
1. Bid Item Division 4, Item 2 shall be paid for at the Contract unit price per each sediment trap constructed and maintained.
2. Provide all labor, materials, equipment, and incidentals necessary for construction, excavation, and maintenance of sediment traps within the Boardman River as indicated on the Drawings. This item shall include maintaining the sediment trap as required to conduct the river channel restoration or as directed by the COR. Excavated sediment shall be placed in spoils areas as shown on the Drawings.
C. Cass Road Bridge Heavy Rip Rap
1. Bid Item Division 4, Item 3 shall be paid for at the Contract unit price per ton.
2. Provide all labor, materials, equipment, and incidentals necessary for excavation around the bridge abutments, placement of rip rap, and fill to the desired elevation as detailed on the Drawings. Heavy Rip Rap shall be installed to requirements and the dimensions described in the Drawings to prevent scour along the Cass Road Bridge abutments.
3. Payment will be made in accordance with MDOT Standard Specifications.
D. Seed (floodplain mix) Floodplain Corridor
1. Bid Item Division 4, Item 4 shall be paid for at the Contract unit price per acre.
2. Provide all labor, materials, equipment, and incidentals necessary for seeding and mulching of exposed floodplain in the Impoundment areas as shown on the Drawings. Seed and mulch shall be installed as described in the Specifications and at the locations shown on the Drawings or as directed by the COR. Seed and mulch mixture shall be the floodplain mixture described in the Specifications or as approved by the COR.
Also, included in this item is the maintenance and protection of seeded areas until revegetation has occurred.
3. Payment will be made at 50% at time of application and the remaining 50% after achieving the field quality control criterias in "Planting" section 32 90 00 Part 3.1.
E. Seed Spoils Areas
1. Bid Item Division 4, Item 5 shall be paid for at the Contract unit price per acre.
2. Provide all labor, materials, equipment, and incidentals necessary for hydroseeding and mulching on exposed stockpile spoils areas as shown on the Drawings. This item shall include the installation of all soil amendments required for this work. Amendments, seed and mulch shall be installed as described in the Specifications and at the locations shown on the Drawings or as directed by the COR. Seed and mulch mixture shall be as described in the Specifications or as approved by the COR. Also, included in this item is the maintenance and protection of seeded areas until revegetation has occurred.
3. Payment will be made at 50% at time of application and the remaining
SECTION 01 29 01 Page 11
50% after achieving the field quality control criterias in "Planting" section 32 90 00 3.1.
F. In-Channel Dig and Pitch (Operator and Excavator)
1. Bid Item Division 4, Item 6 shall be paid for at the Contract unit price per day which shall be defined as a full 8-hour shift for an excavator of sufficient size and character to complete the required work, an excavator operator, and a laborer/grade setter.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of in channel pools, bars and riffles as indicated on the Drawings or in the Specifications,and/or indicated in the field by the Government Representative.
3. Payment shall be made based on the number of days completed for this activity as defined above and will be tracked by Government Representative.
G. Channel Bed Construction (at Dam embankment and Cass Rd.)
1. Bid Item Division 4, Item 7 shall be paid for at the Contract unit price per surface square yard of the constructed channel bed that conforms with the details of the Drawings and Specifications, complete and in place.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of in stream channel bed at the dam embankment and under Cass Rd. as shown on the Drawings. Subgrade excavation below the lines and grades shown on the Drawings for construction of channel bed is incidental to this Item.
3. Payment shall be made based on measurement of finished constructed channel bed surface area by Field Engineer
H. FES Bank Construction (at Dam embankment and Cass Rd.)
1. Bid Item Division 4, Item 8 shall be paid for at the Contract unit price per running length (face foot) of each lift installed, complete and in place.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of FES stream bank at the dam embankment and under Cass Rd. as shown on the Drawings. Subgrade excavation below the lines and grades shown on the Drawings for construction of FES channel banks is incidental to this Item.
3. Payment shall be made based on measurement of constructed channel FES channel bank by Field Engineer.
I. Large Wood Logs and Piles (Station 254+50 to Station 256+00)
1. Bid Item Division 4, Item 9 shall be paid for at the Contract unit price per each large wood log or large wood pile installed, complete and in place. Placement of slash and mechanical anchorage (fully threaded rod, washers and nuts) is incidental to large wood log and large wood pile placement..
2. Provide all labor, materials, equipment, and incidentals necessary for construction of these materials in the large wood crib as shown on the Drawings. Subgrade excavation below the lines and grades shown on the Drawings for construction of Large Wood Logs and Piles is incidental to this Item.
3. Payment shall be made based on number of large wood logs and piles required to be installed as indicated by Field Engineer.
L. Large Wood Logs with Rootwads (Station 254+50 to Station 256+00)
1. Bid Item Division 4, Item 10 shall be paid for at the Contract unit price per each large wood log with rootwad installed, complete and in place. Placement of slash and mechanical anchorage (fully threaded
SECTION 01 29 01 Page 12 rod, washers and nuts) is incidental to large wood log with rootwad placement.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of these materials in the large wood crib as shown on the Drawings. Subgrade excavation below the lines and grades shown on the Drawings for construction of Large Wood Logs with Rootwads is incidental to this Item.
3. Payment shall be made based on number of large wood logs with rootwads required as installed, as indicated by Field Engineer.
2.6 BID ITEM DIVISION 5 - OPTIONS
A. Large Wood Logs and Piles (restored channel)
1. Bid Item Division 5, Item 1 shall be paid for at the Contract unit price per each large wood log, or large wood pile installed, complete and in place. This item covers placement of two(2) habitat jams and two (2) flow deflector jams per the details on the plans at final locations to be determined in the field between stations 252+00 and 210+00. This item includes 24 large wood logs and 24 large wood piles.
Placement of slash and mechanical anchorage (fully threaded rod, washers and nuts) is incidental to large wood log and large wood pile placement.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of these materials in the restored channel per the details indicated on the Drawings and in the Specifications, and as indicated by the COR. Subgrade excavation below the lines and grades shown on the Drawings for construction of Large Wood Logs and Piles is incidental to this Item.
3. Payment shall be made based on number of large wood logs and piles installed, as indicated Field Engineer.
B. Large Wood Logs with Rootwads (restored channel)
1. Bid Item Division 5, Item 2 shall be paid for at the Contract unit price per each large wood log with rootwad installed, complete and in place. This item covers placement of two(2) habitat jams and two (2) flow deflector jams per the details on the plans at final locations to be determined in the field between stations 252+00 and 210+00.
Placement of slash and mechanical anchorage (fully threaded rod, washers and nuts) is incidental to large wood log with rootwad placement.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of these materials in the restored channel per the details indicated on the Drawings and in the Specifications, and as indicated by the Engineer. Subgrade excavation below the lines and grades shown on the Drawings for construction of Large Wood Logs with Rootwads is incidental to this Item.
3. Payment shall be made based on number of large wood logs with rootwads installed, as indicated by Field Engineer.
C. Tributary Stabilization Boulders
1. Bid Item Division 5, Item 3 shall be paid for at the Contract unit price per ton. Placement of boulders shall include incidental excavation as required for installation, following impoundment sediment excavation. .
2. Provide all labor, materials, equipment, and incidentals necessary for installation of boulders for the stabilization of Tributary 1, per the details of the Drawings and Specifications, and as indicated by the Engineer.
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3. Payment shall be made based on the quantity of boulders placed to stabilize tributary, as recorded by the Field Engineer.
D. Tributary Stabilization Channel Bed Material
1. Bid Item Division 5, Item 4 shall be paid for at the Contract unit price per ton. Placement of channel substrate shall include incidental excavation as required for installation, following impoundment sediment excavation.
2. Provide all labor, materials, equipment, and incidentals necessary for installation of channel substrate for the stabilization of Tributary 1, per the details of the Drawings and Specifications, and as indicated by the Engineer.
3. Payment shall be made based on the quantity of channel substrate placed to stabilize tributary, as recorded by the Field Engineer.
E. Slope Restoration
1. Bid Item Division 5, Item 5 shall be paid for at the Contract unit price per square yard.
2. Provide all labor, materials, equipment, and incidentals necessary for the stabilization and restoration of slopes along the impoundment valley wall, outside of required grading area. These slopes shall be determined by the COR and are intended to be outside the limits of required grading. Restoration shall consist of regrading the slope to a maximum 1:2 and stabilizing with coir logs, erosion control blankets, and seeding, as designated by the COR.
3. Payment shall be made based on measurement by the Field Engineer.
Payment will be made at 50% at time of application and the remaining 50% after achieving the field quality control criterias in "Planting" section 32 90 00 3.1.
F. Topsoil and Seed Impacted Uplands
1. Bid Item Division 5, Item 6 shall be paid for at the Contract unit price per acre.
2. Provide all labor, materials, equipment, and incidentals necessary for covering impacted areas with 6-inches of topsoil and hydroseeding and mulching. This item shall include the installation of all soil amendments required for this work. Amendments, seed and mulch shall be installed as described in the Specifications and at impacted locations within the limits of disturbance as shown on the Drawings or as directed by the COR. Seed and mulch mixture shall be described in the Specifications or as approved by the COR. Also, included in this item is the maintenance and protection of seeded areas until revegetation has occurred.
3. Payment will be made at 50% at time of application and the remaining 50% after achieving the field quality control criterias in "Planting" section 32 90 00 3.1.
G. Topsoil Spoils Area
1. Bid Item Division 5, Item 7 shall be paid for at the Contract unit price per acre.
2. Provide all labor, materials, equipment, and incidentals necessary for covering spoils areas with 6-inches of topsoil prior to hydroseeding and mulching.
3. Payment will be made based on Engineer's measurement of area covered.
H. FES Bank Construction (restored channel)
1. Bid Item Division 5, Item 8 shall be paid for at the Contract unit price per running length (face foot) of each lift installed, complete and in place. This item covers placement per the details on the plans
SECTION 01 29 01 Page 14 at final locations to be determined in the field between stations 252+00 and 210+00.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of FES stream bank in the restored channel, per the details of the Drawings and Specifications, and as indicated by the Engineer. Subgrade excavation below the lines and grades shown on the Drawings for construction of FES channel banks is incidental to this Item.
3. Payment shall be made based on measurement of constructed channel FES channel bank by Field Engineer.
I. Fabric Slope Protection (restored channel)
1. Bid Item Division 5, Item 9 shall be paid for at the Contract unit price per square yard of finished streambank treated, complete and in place. This item covers placement per the details on the plans at final locations to be determined in the field between stations 252+00 and 210+00.
2. Provide all labor, materials, equipment, and incidentals necessary for construction of Fabric Slope Protection in the restored channel, per the details of the Drawings and Specifications, and as indicated by the Engineer.
3. Payment shall be made based on measurement of constructed Fabric Slope Protection by Field Engineer.
2.7 BID ITEM DIVISION 6 - INCIDENTALS
A. Mobilization
1. Bid Item Division 6, Item 1 shall be paid for at the Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly furnish items in accordance with the Specifications and Drawings and as described below, including, but not limited to:
a. Bonds and insurance.
b. Mobilization of personnel and equipment.
c. Construction Office
d. Temporary Construction Entrances
e. Site restoration of disturbed areas.
f. Final site cleanup.
g. Demobilization.
h. Project closeout.
i. Other work not specifically included in other items including:
compliance with applicable regulatory requirements;
preconstruction and construction period planning, scheduling, reporting, administration, and documentation; and spill control.
B. Haul Road
1. Bid Item Division 6, Item 2 shall be paid for at the Contract unit price per linear foot of temporary haul road.
2. Provide all labor, materials, equipment, and incidentals necessary to completely and properly install haul road from Cass Road to the upper impoundment as detailed in the Specifications and indicated on the Drawings. Items to be included, but not limited to:
a. Aggregate base material
b. Geotextile fabric
c. temporary culverts
3. Payment shall be made based on measurements of installed material by Field Engineer.
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C. Signage
1. Bid Item Division 6, Item 3 shall be paid for at the Contract Job price.
2. Provide all labor, materials, equipment, and incidentals necessary to furnish and install trails and river warning signs at the entrances to the project site, at the upstream river confluence with the project site, and other locations as indicated in the specifications. The work shall include sign supports and removal and restoration when the project is complete.
PART 3 EXECUTION (NOT USED)
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