AMD 0007 - 01 22 00.pdf

R-562 Flood Rehabilitation Missouri River Nebraska MR00104

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 22 00

MEASUREMENT AND PAYMENT

PART 1 BID ITEM 0001 - CLEARING AND GRUBBING

1.1 Work Included

1.2 Measurement

1.3 Payment

PART 2 BID ITEM 0002 - STRIPPING

2.1 Work Includes

2.2 Measurement

2.3 Payment

PART 3 BID ITEM 0003 - RIVERSIDE EXISTING DITCH FILL

3.1 Work Included

3.2 Measurement

3.3 Payment

PART 4 BID ITEM 0004 - UNDERWATER FILL (Breach A, Breach C)

4.1 Work Included

4.2 Measurement

4.3 Payment

PART 5 BID ITEM 0005 - TOE TRENCH DRAIN PERVIOUS MATERIAL

5.1 Work Included

5.2 Measurement

5.3 Payment

PART 6 BID ITEM 0006 - TOE TRENCH DRAIN SPALLS COVER

6.1 Work Included

6.2 Measurement

6.3 Payment

PART 7 BID ITEM 0007 - SEEPAGE BERM PERVIOUS FILL

7.1 Work Included

7.2 Measurement

7.3 Payment

PART 8 BID ITEM 0008 - COHESIVE FILL

8.1 BID ITEM 0008AA - COMPACTED EMBANKMENT

8.1.1 Work Included

8.1.2 Measurement

8.2 BID ITEM 0008AB - TOPSOIL Fill

SECTION 01 22 00 Page 1

Am-0007

8.2.1 Work Included

8.2.2 Measurement

PART 9 BID ITEM 0009 - TOPSOIL

9.1 Work Included

9.2 Measurement

9.3 Payment

PART 10 BID ITEM 0010 - SURFACING

10.1 BID ITEM 0010AA - GRAVEL SURFACING

10.1.1 Work Included

10.1.2 Measurement

10.1.3 Payment

10.2 BID ITEM 0010AB - TRAIL GRAVEL SURFACING

10.2.1 Work Included

10.2.2 Measurement

10.2.3 Payment

PART 11 BID ITEM 0011 - SEEDING & MULCHING

11.1 Work Included

11.2 Measurement

11.3 Payment

PART 12 BID ITEM 0012 - EROSION CONTROL BLANKET

12.1 Work Included

12.2 Measurement

12.3 Payment

PART 13 BID ITEM 0013 - STONE PROTECTION

13.1 BID ITEM 0013AA - RIPRAP TYPE A

13.1.1 Work Included

13.1.2 Measurement

13.1.3 Payment

13.2 BID ITEM 0013AB - RIPRAP TYPE B

13.2.1 Work Included

13.2.2 Measurement

13.2.3 Payment

13.3 BID ITEM 0013AC - RIPRAP TYPE C

13.3.1 Work Included

13.3.2 Measurement

13.3.3 Payment

13.4 BID ITEM 0013AD - SPALLS

13.4.1 Work Included

13.4.2 Measurement

13.4.3 Payment

13.5 BID ITEM 0013AE - BEDDING

13.5.1 Work Included

13.5.2 Measurement

13.5.3 Payment

PART 14 BID ITEM 0014 - DRAINAGE STRUCTURE STA. 357+40 REMOVAL

14.1 Work Included

14.2 Measurement

SECTION 01 22 00 Page 2

14.3 Payment

PART 15 BID ITEM 0015 - DRAINAGE STRUCTURE STA. 654+50 -

REMOVAL/REPLACEMENT

15.1 Work Included

15.2 Measurement

15.3 Payment

PART 16 BID ITEM 0016 - DRAINAGE STRUCTURE STA. 673+45, 115' Rt. - REMOVAL/INSTALL Using Salvage Pipe Sections

16.1 Work Included

16.2 Measurement

16.3 Payment

PART 17 BID ITEM 0017 - DRAINAGE STRUCTURE STA. 673+60, 150' Lt. -

REMOVAL

17.1 Work Included

17.2 Measurement

17.3 Payment

PART 18 BID ITEM 0018 - DRAINAGE STRUCTURE STA. 673+80, 430' Lt. Using Salvage Pipe Sections

18.1 Work Included

18.2 Measurement

18.3 Payment

PART 19 BID ITEM 0019 - RELIEF WELLS

19.1 BID ITEM 0019AA - EXISTING RELIEF WELL MANHOLE REMOVALS

19.1.1 Work Included

19.1.2 Measurement

19.2 BID ITEM 0019AB - INSTALLATION OF RELIEF WELL MANHOLES AND

APPURTENANCES

19.2.1 Work Included

19.2.2 Measurement

PART 20 BID ITEM 0020 - ANCHOR REINFORCED VEGETATION SYSTEM

20.1 Work Includes

20.2 Measurement

20.3 Payment

PART 21 BID ITEM 0021 - TILLING - Riverside Regrading

21.1 Work Includes

21.2 Measurement

21.3 Payment

PART 22 BID ITEM 0022 - RIVERSIDE AND LANDSIDE LEVEE TOE REPAIRS

22.1 Work Includes

22.2 Measurement

22.3 Payment

PART 23 BID ITEM 0023 - RIVERSIDE AND LANDSIDE LEVEE SIDE SLOPE REPAIRS

SECTION 01 22 00 Page 3

23.1 Work Includes

23.2 Measurement

23.3 Payment

PART 24 BID ITEM 0024 - LEVEE CREST EROSION REPAIRS GRADING

24.1 Work Includes

24.2 Measurement

24.3 Payment

PART 25 BID ITEM 0025 - LANDSIDE SEEPAGE BERM REPAIRS

25.1 Work Includes

25.2 Measurement

25.3 Payment

PART 26 BID ITEM 0026 - EXISTING TOE TRENCH DRAIN COVER SEDIMENT REMOVAL

26.1 Work Includes

26.2 Measurement

26.3 Payment

PART 27 BID ITEM 0027 - NORTH NISHNABOTNA BEND SAND BORROW SITE CLEARING

& GRUBBING, AND STRIPPING

27.1 Work Included

27.2 Measurement

27.3 Payment

PART 28 BID ITEM 0028 - UPPER HAMBURG BEND SAND BORROW SITES CLEARING &

GRUBBING, AND STRIPPING

28.1 Work Included

28.2 Measurement

28.3 Payment

PART 29 BID ITEM 0029 - SOUTH NISHNABOTNA BEND SAND & COHESIVE BORROW

SITE CLEARING & GRUBBING, AND STRIPPING

29.1 Work Included

29.2 Measurement

29.3 Payment

PART 30 BID ITEM 0030 - PRIVATE CAMP CREEK TOPSOIL BORROW SITE CLEARING

& GRUBBING, AND STRIPPING

30.1 Work Included

30.2 Measurement

30.3 Payment

PART 31 BID ITEM 0031 - PRIVATE COHESIVE BORROW SITE CLEARING &

GRUBBING, AND STRIPPING

31.1 Work Included

31.2 Measurement

31.3 Payment

PART 32 BID ITEM 0032 - PRIVATE SURFACE SAND, AND TOPSOIL AND SAND

SECTION 01 22 00 Page 4

STOCKPILES BORROW SITE RESTORATIONS

32.1 Work Included

32.2 Measurement

32.3 Payment

PART 33 BID ITEM 0033 - NORTH NISHNABOTNA BEND SAND BORROW SITE

RESTORATION

33.1 Work Included

33.2 Measurement

33.3 Payment

PART 34 BID ITEM 0034 - UPPER HAMBURG BEND SAND BORROW SITEs RESTORATION

34.1 Work Included

34.2 Measurement

34.3 Payment

PART 35 BID ITEM 0035 - SOUTH NISHNABOTNA BEND SAND & COHESIVE BORROW

SITE RESTORATION

35.1 Work Included

35.2 Measurement

35.3 Payment

PART 36 BID ITEM 0036 - PRIVATE TOPSOIL BORROW SITE RESTORATION

36.1 Work Included

36.2 Measurement

36.3 Payment

PART 37 BID ITEM 0037 - PRIVATE COHESIVE BORROW SITE RESTORATION

37.1 Work Included

37.2 Measurement

37.3 Payment

PART 38 BID ITEM 0038 - ALL REMAINING WORK

38.1 Work Included

38.2 Measurement

38.3 Payment

PART 39 BID ITEM 0016AA - DRAINAGE STRUCTURE STA. 673+45, 115' Rt. - New Pipe Sections

39.1 Work Included

39.2 Measurement

39.3 Payment

PART 40 BID ITEM 0018AA - DRAINAGE STRUCTURE STA. 673+80, 430' Lt. NEW

PIPE SECTIONS

40.1 Work Included

40.2 Measurement

40.3 Payment

-- End of Section Table of Contents --

SECTION 01 22 00 Page 5

SECTION 01 22 00 Page 6

SECTION 01 22 00

MEASUREMENT AND PAYMENT

SCOPE: This section covers the methods and procedures which will be used to measure the Contractor's work and to effect payment.

GENERAL: The general outline of the principal features of each item as listed does not in any way limit the responsibility of the Contractor for making a thorough investigation of the Drawings and Specifications to determine the scope of work under the entire Contract. Payment to the Contractor of the amounts based on the quantities of work as measured in accordance with the specified methods of measurement and the prices stipulated in the accepted proposal will constitute complete compensation for all work shown on the Drawings, provided in the specifications or other Contract Documents and all costs of accepting the general risks, liabilities and obligations expressed or implied. Payment under all items shall include, but not necessarily be limited to, compensation for furnishing all supervision, labor, equipment, and materials and services (including overhead and profit), as well as performing all work required to accomplish and complete the work specified under each item and all other work required.

JOB ITEMS

Quantities: The quantities under Job items will not be measured except for the purpose of determining reasonable interim payments.

Interim Payments (or Progressive Payments): Interim payments will be made in accordance with the estimated value of work done as determined by the Contracting Officer Representative (COR) or as specified in this section, and in accordance with contract clause for payments.

UNIT PRICE ITEMS

Excavation/Removal Items: Excavation and/or removal items and fill items will be measured from existing ground levels to excavation surfaces shown on the Drawings or as directed by the COR.

Existing Ground Levels: Existing ground levels shall be surveyed prior to any disturbances in accordance with the relevant provisions of these specifications.

Excavation Surfaces Not Shown: In the event excavation surfaces are not clearly shown on the Drawings, the Contractor shall obtain clarification from the COR prior to commencement of excavation and/or removal.

Payments to Contractor: For unit priced items, payments will be made to the Contractor and approved by the COR in accordance with measurements for the unit prices entered in the proposal schedule.

Interim Measurement/Payments: Interim measurements and/or payments maybe adjusted to take account of partially completed work.

BIDDING ITEMS

SECTION 01 22 00 Page 7

PART 1 BID ITEM 0001 - CLEARING AND GRUBBING

1.1 Work Included

The work includes all material, equipment and labor necessary to satisfactorily remove and dispose of all trees, clearing and disposing of vegetation and miscellaneous debris, removal of pavements and the disposal of unsuitable materials and any other cleared or grubbed material, and hauling of debris offsite.

1.2 Measurement

Job

1.3 Payment

Payment for this item shall be made on a progressive basis, based on the amount of work completed at the job price as indicated on the Bidding Schedule.

PART 2 BID ITEM 0002 - STRIPPING

2.1 Work Includes

This work includes equipment and labor, including all incidental and customarily performed work, necessary for stripping topsoil including grass, and vegetation to the depths as specified and hauling and placing in stockpiles or designated areas.

2.2 Measurement

Job.

2.3 Payment

Payment for this item shall be made on a progressive basis, based on the amount of work completed at the job price as indicated on the Bidding Schedule.

PART 3 BID ITEM 0003 - RIVERSIDE EXISTING DITCH FILL

3.1 Work Included

The work of this item includes all equipment and labor, The work of this item includes furnishing all material, equipment and labor necessary for filling in existing Riverside Ditch, which is located riverward of the existing levee from Sta. 606+50 to 673+50, including all incidental and customarily performed work necessary for excavating from designated borrow areas, Riverside Channel, and existing cohesive berms or ring levees, hauling, placing, discing, watering, grading, and compacting compacted embankment materials and unsuitable materials from excavations after clearing & grubbing, and stripping and stockpiled for later use as topsoil as specified herein and shown on the drawings. Note clearing & grubbing, stripping, and topsoil are paid for under those individual bid items.

SECTION 01 22 00 Page 8

3.2 Measurement

Per Cubic Yard. The quantity of cohesive fill shall be determined based on stripping surveys of the area to receive cohesive material prior to authorized fill. Measurements will be made to the nearest one-tenth foot and volume determined to the nearest whole cubic yard using methods discussed in SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES. Cubic yardage of compacted compacted embankment (cohesive fill) shall be determined by quantity survey performed at a spacing not to exceed spacing specified or whenever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from stripping surveys, and compacted embankment (cohesive fill) surveys prior to placement of topsoil from stripping.

3.3 Payment

Applicable unit price times the number of cubic yards excavated.

PART 4 BID ITEM 0004 - UNDERWATER FILL (Breach A, Breach C)

4.1 Work Included

The work of this item includes all equipment and labor, including all incidental and customarily performed work necessary for excavating from designated sand borrow areas, hauling, placing, grading, and compacting underwater fill material.

4.2 Measurement

Per Cubic Yard. The quantity of underwater fill shall be determined based on hydrographic and topographic surveys of areas to receive underwater fill prior to authorized fill. Measurements will be made to the nearest one-tenth foot and volume determined to the nearest whole cubic yard using methods discussed in SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES. Cubic yardage of underwater fill shall be determined by quantity survey performed at a spacing not to exceed spacing specified or whenever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from hydrographic and topographic surveys of ground surface below water surface and stripped surface above water surface, and final underwater fill surveys prior to placement of additional material i.e. cohesive fill, previous fill, compacted embankment, etc.

4.3 Payment

Payment for underwater fill shall be based on the unit price per cubic yard as indicated on the Bidding Schedule multiplied by the actual number of cubic yards acceptably placed according to plans and specifications.

PART 5 BID ITEM 0005 - TOE TRENCH DRAIN PERVIOUS MATERIAL

5.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting, care of water, erosion protection measures to prevent contamination from sediment deposition from runoff, the work associated and all work incidental to the completion of

SECTION 01 22 00 Page 9 the required work according to the plans and specifications.

5.2 Measurement

Per Ton. Toe trench drain pervious material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 31 00 00, EARTWORK. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) toe trench drain pervious material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following: date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All riprap material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

5.3 Payment

Payment for toe trench drain previous material shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

PART 6 BID ITEM 0006 - TOE TRENCH DRAIN SPALLS COVER

6.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting, care of water, erosion protection measures to prevent contamination from sediment deposition from runoff, the work associated and all work incidental to the completion of the required work according to the plans and specifications.

6.2 Measurement

Per Ton. Toe trench drain previous material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 35 31 19, STONE PROTECTION. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) toe trench drain spalls material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following: date; time; unit number;

time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All riprap material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

6.3 Payment

Payment for toe trench drain spalls cover shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and

SECTION 01 22 00 Page 10 specifications.

PART 7 BID ITEM 0007 - SEEPAGE BERM PERVIOUS FILL

7.1 Work Included

The work of this item includes all equipment and labor, including all incidental and customarily performed work necessary for excavating from designated borrow areas, hauling, placing, discing, grading, and compacting seepage berm pervious fill material.

7.2 Measurement

Per Cubic Yard. The quantity of seepage berm pervious fill shall be determined based on stripping/excavation and underwater fill survey areas to receive seepage berm pervious fill material prior to authorized fill.

Measurements will be made to the nearest one-tenth foot and volume determined to the nearest whole cubic yard using methods discussed in

SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND

QUANTITIES. Cubic yardage of seepage berm pervious fill shall be determined by quantity survey performed at a spacing not to exceed spacing specified or wherever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from stripping/excavation and underwater fill surveys, and seepage berm pervious fill surveys prior to placement of additional material on the seepage berm pervious fill material i.e topsoil, cohesive fill, gravel surfacing, stone protection, etc.

7.3 Payment

Payment for seepage berm pervious fill shall be based on the unit price per cubic yard as indicated on the Bidding Schedule multiplied by the actual number of cubic yards acceptably placed according to plans and specifications.

PART 8 BID ITEM 0008 - COHESIVE FILL

8.1 BID ITEM 0008AA - COMPACTED EMBANKMENT

8.1.1 Work Included

The work of this item includes all equipment and labor, including all incidental and customarily performed work necessary for excavating from designated borrow areas, Riverside Channel, and existing cohesive berms or ring levees, hauling, placing, discing, watering, grading, and compacting compacted embankment materials.

8.1.2 Measurement

Per Cubic Yard. The quantity of compacted embankment shall be determined based on stripping/excavation and final underwater fill survey areas to receive compacted embankment materials prior to authorized fill.

Measurements will be made to the nearest one-tenth foot and volume determined to the nearest whole cubic yard using methods discussed in

SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES.

SECTION 01 22 00 Page 11

Cubic yardage of compacted embankment fill shall be determined by quantity survey performed at a spacing not to exceed spacing specified or whenever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from stripping/excavation and final underwater fill surveys, and compacted embankment fill surveys prior to placement of additional material on the compacted cohesive fill i.e topsoil, gravel surfacing, stone protection, etc.

Payment

Payment for compacted embankment shall be based on the unit price per cubic yard as indicated on the Bidding Schedule multiplied by the actual number of cubic yards acceptably placed according to plans and specifications.

8.2 BID ITEM 0008AB - TOPSOIL Fill

8.2.1 Work Included

The work of this item includes all equipment and labor, including all incidental and customarily performed work necessary for mowing and thoroughly discing area to receive topsoil fill, excavating from designated Private Topsoil Borrow Site, hauling, placing, discing, watering, grading, and compacting topsoil fill materials. The area to receive topsoil fill is the levee landside underseepage berm from new landside levee toe to new landside seepage berm toe from approximate Sta.

606+00 to 674+00 except beneath access ramps and roads, and turnouts and Breach C cap area.

8.2.2 Measurement

Per Cubic Yard. The quantity of topsoil fill shall be determined based on disced surface survey areas to receive topsoil fill materials prior to authorized fill. Measurements will be made to the nearest one-tenth foot and volume determined to the nearest whole cubic yard using methods discussed in SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES. Cubic yardage of compacted topsoil fill shall be determined by quantity survey performed at a spacing not to exceed spacing specified or whenever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from disced existing landside seepage berm surveys to received topsoil fill, and compacted final topsoil fill surface surveys prior to seeding and mulching.

Payment

Payment for cohesive fill and topsoil fill shall be based on the unit price per cubic yard as indicated on the Bidding Schedule multiplied by the actual number of cubic yards acceptably placed according to plans and specifications.

PART 9 BID ITEM 0009 - TOPSOIL

9.1 Work Included

The work includes all materials, equipment and labor to complete all items of work, including all excavating and hauling from stripping stockpiles and topsoil stockpiles, excavating and hauling from topsoil borrow sites, placing, compaction, spreading topsoil to minimum 6 inch or 12 inch

SECTION 01 22 00 Page 12 thickness as shown on the drawings, and maintenance of topsoil in areas as shown on the drawings until vegetation establishment and specified herein.

9.2 Measurement

Per Cubic Yard. The quantity of topsoil shall be determined based on stripping/excavation, compacted embankment, seepage berm pervious fill survey areas to receive topsoil prior to authorized placement of topsoil and topsoil surveyed areas. Measurements will be made to the nearest one-tenth foot and volume determined to the nearest whole cubic yard using methods discussed in SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES. Cubic yardage of topsoil shall be determined by quantity survey performed at a spacing not to exceed spacing specified or whenever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from combined survey surface of stripping/excavation, levee seepage berm pervious fill and compacted embankment fill areas surface to receive topsoil and the final topsoil surface survey prior to seeding and mulching.

9.3 Payment

Payment for topsoil shall be based on the unit price per cubic yard as indicated on the Bidding Schedule multiplied by the actual number of cubic yards acceptably placed according to plans and specifications.

PART 10 BID ITEM 0010 - SURFACING

Surfacing shall consist of gravel surfacing and trail gravel surfacing.

The difference between these surfacings is the gradation of gravel surfacing to be used. A finer aggregate gradation less coarse shall be used on the trails being raised over the levee and haul access ramps for pedestrian and bicycle traffic.

10.1 BID ITEM 0010AA - GRAVEL SURFACING

10.1.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting the gravel surfacing on the levee crest, access road ramps, access ramps, turnouts, and turnarounds as specified herein and shown on the drawings.

10.1.2 Measurement

Per Ton. Gravel surfacing material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 32 15 00, GRAVEL SURFACING. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) gravel surfacing material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following: date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All surfacing material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

SECTION 01 22 00 Page 13

10.1.3 Payment

Payment for gravel surfacing shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

10.2 BID ITEM 0010AB - TRAIL GRAVEL SURFACING

10.2.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting the trail gravel surfacing on the trail as specified herein and shown on the drawings.

10.2.2 Measurement

Per Ton. Trail gravel surfacing material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 32 15 00, GRAVEL SURFACING. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) gravel surfacing material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following: date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number;

and signature of bonded weighmaster. All surfacing material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

10.2.3 Payment

Payment for trail gravel surfacing shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

PART 11 BID ITEM 0011 - SEEDING & MULCHING

11.1 Work Included

This work shall include but not be limited to all materials, equipment, labor and all other incidental work needed for seeding and mulching of disturbed areas, to complete the requirements according to the drawings and specifications as specified herein. Seeding and mulching of disturbed areas not identified or used on the plans or specified in the specifications shall be paid for under "All Remaining Work".

11.2 Measurement

Acre. All areas to be seeded will be measured by the acre (measured to the nearest one-tenth acre). The quantity of seeding and mulching shall be determined based on an area that received seeding and mulching in-place, surveyed at the Contractor's expense. Measurements will be determined to

SECTION 01 22 00 Page 14 the nearest one-tenth acre using methods discussed in SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES. The area of seeding and mulching shall be determined by surveying the perimeter or boundary of the "Seeding and Mulching" creating a 3D shape within the AsBuilt Final surveyed area which was performed at a spacing not to exceed spacing specified (30 feet minimum) or whenever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from surveys performed immediately after seeding and mulching. The true area from the Final AsBuilt survey model shall be used as the area quantity. In addition to true area, provided planar area of shape minus voided areas for comparison. Note prior to seeding and mulching the Contractor shall submit Final AsBuilt survey (topsoil survey) for approval by G-DO. Once approved seeding and mulching may commence.

11.3 Payment

Applicable unit price times the number of acres seeded.

PART 12 BID ITEM 0012 - EROSION CONTROL BLANKET

12.1 Work Included

The work includes all materials, equipment and labor to anchor and install erosion control blanket (ECB) in accordance with the drawings.

12.2 Measurement

Square Yard. The quantity of erosion control blanket shall be determined based on an area that received erosion control blanket in place, surveyed at the Contractor's expense. Measurements will be determined to the nearest whole square yard using methods discussed in SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES. The area of erosion control blanket shall be determined by surveying the perimeter or boundary of the "Erosion Control Blanket" creating a 3D shape of the on the AsBuilt Final surveyed area which was performed at a spacing not to exceed spacing specified (30 feet minimum) or whenever a change in geometry occurs, whichever is more frequent. The quantities shall be determined from surveys performed immediately after placement of erosion control blanket. The true area from the Final AsBuilt survey model shall be used as the area quantity. In addition to true area, provided planar area of shape for comparison minus voided areas. Note overlap requirements specified by specifications or manufacture are not included in in-placed measured area. Note prior to installation of erosion control blanket the Contractor shall submit Final AsBuilt survey (topsoil survey) for approval by G-DO. Once approved erosion control blanket installation may commence.

12.3 Payment

Applicable unit price times the number of square yards blanketed.

SECTION 01 22 00 Page 15

PART 13 BID ITEM 0013 - STONE PROTECTION

13.1 BID ITEM 0013AA - RIPRAP TYPE A

13.1.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting, care of water, the work associated and all work incidental to the completion of the required work according to the plans and specifications. Riprap Type A in combination with Riprap Type B stone protection shall be used to fill in voids of Riprap Type C acceptably placed.

13.1.2 Measurement

Per Ton. Riprap Type A material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 35 31 19, STONE PROTECTION. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) riprap material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following: date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All riprap material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

13.1.3 Payment

Payment for Riprap Type A shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

13.2 BID ITEM 0013AB - RIPRAP TYPE B

13.2.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting, care of water, the work associated and all work incidental to the completion of the required work according to the plans and specifications. Riprap Type B in combination with Riprap Type A stone protection shall be used to fill in voids of Riprap Type C acceptably placed.

13.2.2 Measurement

Per Ton. Riprap Type B material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 35 31 19, STONE PROTECTION. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) riprap material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall

SECTION 01 22 00 Page 16 contain the following: date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All riprap material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

13.2.3 Payment

Payment for Riprap Type B shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

13.3 BID ITEM 0013AC - RIPRAP TYPE C

13.3.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting, care of water, the work associated and all work incidental to the completion of the required work according to the plans and specifications.

13.3.2 Measurement

Per Ton. Riprap Type C material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 35 31 19, STONE PROTECTION. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) riprap material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following: date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All riprap material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

13.3.3 Payment

Payment for Riprap Type C shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

13.4 BID ITEM 0013AD - SPALLS

13.4.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting, care of water, the work associated and all work incidental to the completion of the required work according to the plans and specifications.

13.4.2 Measurement

Per Ton. Spalls material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 35 31 19, STONE PROTECTION. The surfacing material shall be weighed: (1) on public

SECTION 01 22 00 Page 17 or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) spalls material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following:

date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All spalls material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

13.4.3 Payment

Payment for spalls shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

13.5 BID ITEM 0013AE - BEDDING

13.5.1 Work Included

The work includes all materials, equipment and labor of furnishing, hauling, handling, placing and compacting, care of water, the work associated and all work incidental to the completion of the required work according to the plans and specifications.

13.5.2 Measurement

Per Ton. Bedding material will be measured for payment by the number of tons of surfacing satisfactorily placed as specified in SECTION 35 31 19, STONE PROTECTION. The surfacing material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weighmaster as each load is delivered; or (2) bedding material may be weighed on the Contractor furnished scales under the supervision of the Government inspector. Each printed weigh bill shall contain the following:

date; time; unit number; time of gross, tare and net weight; name of project; contractor; contract number; and signature of bonded weighmaster. All bedding material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

13.5.3 Payment

Payment for bedding shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to plans and specifications.

PART 14 BID ITEM 0014 - DRAINAGE STRUCTURE STA. 357+40 REMOVAL

14.1 Work Included

The work of this item shall include but not be limited to furnishing material, labor, equipment, excavation, pipe cleaning, removals, salvage, disposal, control of water, backfill, compaction, and incidental operation necessary to remove and salvage existing drainage structure

SECTION 01 22 00 Page 18 pipe, and removal and disposal of appurtenances according to drawings and specifications. No separate or direct payment will be made for stockpiling and disposition of removed materials. The salvaged pipe shall be reused where shown on the drawings. This bid item includes cleaning, visual inspection of the salvaged pipe both externally and internally and report of inspection with pictures and/or videotaped documenting pipe condition.

Disposal and hauling salvage pipe to installation location will be included in the applicable contract Job price. Backfilling or compacted embankment fill for this drainage structure installation shall be paid under Bid Item 0008AA. Note a survey of the excavation including CSLSM, and installed drainage structure that compacted embankment will be placed and compacted upon shall be conducted and incorporated into the excavation/stripping survey to calculate quantities

14.2 Measurement

Job.

14.3 Payment

Payment for this item will be made at the contract Job price indicated on the Bidding Schedule for acceptably removal, pipe salvage, backfilling, and compaction according to the drawings and specifications.

PART 15 BID ITEM 0015 - DRAINAGE STRUCTURE STA. 654+50 -

REMOVAL/REPLACEMENT

15.1 Work Included

The work of this item shall include but not be limited to furnishing material, labor, equipment, excavation, pipe cleaning, removals, salvage, disposal, control of water,and incidental operations necessary to remove the drainage structure according to drawings and specifications. This work shall also include installation of pipe anchors, CLSM (flowable fill), and filter blanket as shown on the drawings. (Note: Disposal will be included in the applicable contract Job price. The work of this item shall also include but not be limited to furnishing materials, labor, equipment, fabrication and installation of concrete flared end section, concrete pipes, gaskets, concrete gatewell, ladders, slide gate, stem, lift mechanism, concrete outlet structure, flap gate, steel sheet piling, fabricated metals and appurtenant parts, control of water, pervious drainage blanket material, hydrostatic testing, joint testing, and incidental operation necessary to construct the complete drainage structure according to drawings and specifications. The salvaged pipe shall be reused where shown on the drawings. This bid item includes visual inspection of the salvaged pipe both externally and internally and report of inspection with pictures and videotaped documenting pipe condition and hauling to installation location.(Note: concrete, reinforcing steel, cement and painting will be included in the applicable contract Job price for drainage structure unit.) Stone protection around inlet and outlet shall be paid for under Bid Item 0013. Backfilling or compacted embankment fill for this drainage structure installation shall be paid under Bid Item 0008AA. Note a survey of the excavation including CSLSM, and installed drainage structure that compacted embankment will be placed and compacted upon shall be conducted and incorporated into the excavation/stripping survey to calculate quantities

SECTION 01 22 00 Page 19

15.2 Measurement

Job.

15.3 Payment

Payment for this item will be made at the contract Job price indicated on the Bidding Schedule for each unit acceptably removed and installed according to the drawings and specifications.

PART 16 BID ITEM 0016 - DRAINAGE STRUCTURE STA. 673+45, 115' Rt. - REMOVAL/INSTALL Using Salvage Pipe Sections

16.1 Work Included

The work of this item shall include but not be limited to furnishing material, labor, equipment, excavation, removals, salvage, disposal, control of water,and incidental operations necessary to remove and dispose of the existing drainage structure according to drawings and specifications. (Note: Disposal, backfilling and compaction to original ground will be included in the applicable contract Job price. The work of this item shall also include but not be limited to furnishing materials, labor, equipment, fabrication and installation of new CMP flared end section, salvaged 42" dia. CMP pipes from Drainage Structure Sta. 654+50, bands, concrete outlet structure, flap gate, fabricated metals and appurtenant parts, control of water, compacted backfill, and incidental operations necessary to construct the complete drainage structure according to drawings and specifications. (Note: Pipe coating and painting will be included in the applicable contract Job price for drainage structure unit.) Stone protection around inlet and outlet shall be paid for under Bid Item 0013. Backfilling or compacted embankment fill for this drainage structure installation shall be paid under Bid Item 0008AA. Note a survey of the excavation including CSLSM, and installed drainage structure that compacted embankment will be placed and compacted upon shall be conducted and incorporated into the excavation/stripping survey to calculate quantities

16.2 Measurement

Job.

16.3 Payment

Payment for this item will be made at the contract Job price indicated on the Bidding Schedule for each unit acceptably removed and installed according to the drawings and specifications.

PART 17 BID ITEM 0017 - DRAINAGE STRUCTURE STA. 673+60, 150' Lt. - REMOVAL

17.1 Work Included

The work of this item shall include but not be limited to furnishing material, labor, equipment, excavation, removal, disposal, control of water, to remove the drainage structure according to drawings and specifications. (Note: Disposal will be included in the applicable contract Job price., while backfilling and compaction to final grade will be included under Bid Item 0008AA Compacted Embankment. A survey of the

SECTION 01 22 00 Page 20 excavation including CSLSM, and installed drainage structure that compacted embankment will be placed and compacted upon shall be conducted and incorporated into the excavation/stripping survey to calculate quantities.)

17.2 Measurement

Job.

17.3 Payment

Payment for this item will be made at the contract Job price indicated on the Bidding Schedule for acceptably removal, backfilling, and compaction according to the drawings and specifications.

PART 18 BID ITEM 0018 - DRAINAGE STRUCTURE STA. 673+80, 430' Lt. Using Salvage Pipe Sections

18.1 Work Included

The work of this item shall also include but not be limited to furnishing materials, labor, equipment, fabrication and installation of new CMP flared end section, salvaged CMP pipes from Drainage Structure 347+40, bands, concrete outlet structure, metal flap gate, fabricated metals, CLSM (if used), and appurtenant parts, including control of water, and incidental operations necessary to construct the complete drainage structure according to drawings and specifications. In addition, include the excavation, installation of new 2-48" CMP flared end sections (inlet and outlet for existing drainage structure through Olive Street or Boat Access Road at upstream end of Riverside Channel, backfilling, etc.(Note:

Pipe coating and painting will be included in the applicable contract Job price for drainage structure unit.) Stone protection around inlet and outlet shall be paid for under Bid Item 0013. Backfilling or compacted embankment fill for this drainage structure installation shall be paid under Bid Item 0008AA. Note a survey of the excavation including CSLSM, and installed drainage structure that compacted embankment will be placed and compacted upon shall be conducted and incorporated into the excavation/stripping survey to calculate compacted embankment quantities

18.2 Measurement

Job.

18.3 Payment

Payment for this item will be made at the contract Job price indicated on the Bidding Schedule for each unit acceptably installed according to the drawings and specifications.

PART 19 BID ITEM 0019 - RELIEF WELLS

19.1 BID ITEM 0019AA - EXISTING RELIEF WELL MANHOLE REMOVALS

19.1.1 Work Included

The work of this item shall include but not be limited to furnishing equipment, labor, and materials to remove existing concrete relief well

SECTION 01 22 00 Page 21 manholes and disposal offsite. The existing 31 relief wells and 11 piezometers are to be abandoned or replaced by others.

19.1.2 Measurement

Each

Payment

Payment for this item will be made at the contract price indicated on the Bidding Schedule for each unit acceptably removed according to the drawings and specifications times the number of relief well manholes removed and disposed of.

19.2 BID ITEM 0019AB - INSTALLATION OF RELIEF WELL MANHOLES AND

APPURTENANCES

19.2.1 Work Included

The work of this item shall include but not be limited to furnishing materials, concrete, equipment, control of water, labor, fabrication and installation of cast in placed or pre-fabricated concrete relief well manholes, manhole covers, bollards, water control valves, appurtenances, etc. according to drawings and specifications. The installation of relief well manholes and appurtenances shall be installed after new relief wells and and/or existing relief wells have been abandoned or rehabilitated by others. The existing 31 relief wells and 11 piezometers are to be abandoned or replaced by others.

19.2.2 Measurement

Each

Payment

Payment for this item will be made at the contract price indicated on the Bidding Schedule for each unit acceptably installed according to the drawings and specifications times the number of relief well manholes with bollards and appurtenances installed.

PART 20 BID ITEM 0020 - ANCHOR REINFORCED VEGETATION SYSTEM

20.1 Work Includes

This work includes but not be limited to all materials, equipment and labor, and all incidental and customarily performed work necessary for acquiring, hauling, and installing Anchor Reinforced Vegetation System on constructed side slope along the left bank of Buck Creek next to and downstream of sheetpile wall and concrete abutment to gated structure near levee Sta. 673+40 to the lines and grades as shown on the drawings, according to the manufacturer's installation instructions, and as described in SECTION 31 35 19.16, ANCHOR REINFORCED VEGETATION SYSTEM. The installation of anchors, anchor trench, etc. are included. The overall grading plan is shown on drawings CF300 and CF345. For detail grading plan see drawing CF268. For construction details of anchor reinforced vegetation system see drawing CF713.

SECTION 01 22 00 Page 22

20.2 Measurement

Lump sump.

20.3 Payment

Payment for "Anchor Reinforced Vegetation System" shall be made on a progressive basis, based on the percentage of work completed at the lump sum price.

PART 21 BID ITEM 0021 - TILLING - Riverside Regrading

21.1 Work Includes

This work includes equipment and labor, including all incidental and customarily performed work necessary for tilling the vegetation areas after clearing and grubbing as shown on the drawings. The areas to receive tilling under this item are the vegetation repair areas shown on the drawing except the overlap with levee side slope repair areas, scour repair areas, erosion repair areas and riverside and landside toe repair areas. Scour holes in the levee side slope and ground surface within the tilling area shown on the drawings shall be filled with cohesive fill and topsoil. The tilling is to restore the levee side slopes and ground surface riverward and landward of the levee or berms toes within the area shown on the drawings to a uniform grade, fill in holes, remove established weeds, and establish a base for seeding and mulching as shown on the drawings. Note seeding and mulching, and erosion control blanket are under separate bid items.

21.2 Measurement

Area. The quantity of tilling shall be determined based on an area that received tilling, surveyed at the Contractor's expense. Measurements will be determined to the nearest whole square feet using methods discussed in

SECTION 01 80 00, AS-BUILT SURVEYS, DIGITAL TERRAIN MODELS AND QUANTITIES.

The area of tilling shall be determined by surveying the perimeter or boundary of the "Tilling - Riverside Regrading" creating a 3D shape of the surveyed area which was performed at a spacing not to exceed spacing specified (30 feet minimum) or whenever a change in geometry occurs, whichever is more frequent. Any areas not surveyed within the tilled shall be voided areas to not be included in the area quality. The quantities shall be determined from surveys performed immediately after tilling has been completed prior to seeding and mulching and placement of erosion control blanket.

21.3 Payment

Applicable unit price times the square feet of "Tilling -Riverside Regrading" acceptably completed.

SECTION 01 22 00 Page 23

PART 22 BID ITEM 0022 - RIVERSIDE AND LANDSIDE LEVEE TOE REPAIRS

22.1 Work Includes

This work includes equipment and labor, including all incidental and customarily performed work necessary for stripping vegetation and topsoil, if applicable, and stockpile for later use as topsoil; excavating embankment to provide level surface or benching; scarifying excavated surface in preparation for compacted cohesive fill; and excavating cohesive fill and topsoil (since not adequate volume available from stripping) from designated borrow areas as shown on the drawings including hauling, placing, grading, and compacting cohesive fill and topsoil, to the lines and…