Amendment 0001.doc

A site showing was held on the subject site on August 13, 2009. The NRCS was represented by: Chip Burnette, Contracting Officer, John Hrebik, Contracting Officer’s Technical Representative, Tony Barley, Construction Inspector, Temple, TX, Kristy Oates, DC, NRCS, Corsicana, TX, and Dan Henson, DC, NRCS, Hillsboro, TX.

The following information shall be included in Amendment #1.

The following information was reviewed with the contractors at the showing: Correction and Changes, Safety, Construction Specifications, Drawings, and the Site Visit.

Changes and/or corrections;

Pen and Ink correction to the drawing and construction specifications shall be made as follows:

All Sites

In CS 8 Mobilization and Demobilization delete the following requirements in Section 4.a.(2); (c)-(e).

In CS 8 Mobilization and Demobilization add the following requirements in Section 4.a.(2);

(c) As a part of this bid item the Contractor shall furnish a facility at the construction campsite suitable for use as a field office for the Government. The facility shall contain not less than 240 square feet (8-ft-wide by 30-ft-long) having a minimum 7-ft-high ceiling. The building shall be constructed in a workmanlike manner and shall be weather-tight. It shall have not less than three windows and one door. It shall have a cabinet top range (either gas or electric) with a minimum of two burners or elements and may be either built in or portable. A microwave oven 0.80 cubic feet in size and having a minimum power rating of 650 watts output shall be provided. A substantial workbench and a table, each 3-ft-wide by 8-ft-long with the work surface 42" above floor level and covered with laminated plastic, shall be provided. Cabinet storage shelves shall be included with the workbench. Two standard 60" x 30" office desks with drawers and leg space shall be provided. Two office swivel chairs and 4 straight chairs shall be provided. The floor shall have a heavy duty vinyl or similar covering. Walls, ceilings and floors shall be constructed in such a manner as to provide a minimum of 1.5 inches of space between inside and outside surfaces. The 1.5-inch space shall be filled with a high density insulation material. A closet (30" wide x 42" long) having a 28" wide door shall be included. The building shall be wired for electricity with a minimum of three ceiling fixtures and a minimum of three wall outlets on each long wall. The Contractor shall furnish a source of potable drinking water inside the building and shall maintain a supply of potable drinking water throughout the contract period. A flush toilet and a wash basin (lavatory) shall be provided within a private area, and shall be properly connected to a sanitary sewer or sanitary holding tank. If a sanitary holding tank is utilized it shall be serviced as frequently as necessary to maintain the flush toilet and wash basin in proper working order and to minimize objectionable odor. A thermostatically controlled means, that is capable of maintaining the temperature inside the building at 75 degrees in the summer with refrigerated air and 80 degrees in the winter, for heating and air conditioning the building shall be provided. The building shall be built in such a manner that it is substantial and can be easily moved. A prefabricated building or trailer will be acceptable if approved by the COR. The Contractor shall furnish and install all utilities to the facility and pay all utility usage costs throughout the contract period. The building or other facility shall be maintained in good condition throughout the contract period by the Contractor, except for damages caused by negligence of the Government. The building or other facility shall be separate and apart from any building or facilities of the Contractor and shall be for sole use of the Government.

(d) The building or other facility shall be securely anchored or tied-down to provide maximum possible stability against overturning by high winds. Flashing or skirting shall be installed around the building from floor level to ground level.

(e) Access to the door to the building or facility from the ground shall be provided by substantial steps leading to a landing having a minimum size of 5 feet wide by 6 feet long. Substantial handrails shall be provided for the steps and the landing.

(f) The Contractor shall furnish and install electrical service to the building or facility. The electrical service shall be 110-120 volt, 60 amp, and alternating current. The Contractor shall be responsible for supply of power to the Government's field office throughout the contract period, including all usage costs. If a portable generator is used to supply electrical power, the Contractor shall be responsible for the complete operation and maintenance of the generator. The generator shall remain in continuous operation throughout scheduled work hours each day and shall be located a minimum of 100 feet from the field office and shielded so as to minimize the noise in the Government occupied building or facility.

(g) The building or other facility and all utilities shall be in place at the worksite prior to the start of work requiring continuous inspection and no later than 15 days after receipt of the Notice to Proceed.

Richland 26

1. Change the following items on construction drawing TX-EN-0556, sheet 1

- Remove the note: 14’ Wire Gap.

· Insert the note: 16’ Gate to be Installed.

· Insert the note with Leader at the forebay of the auxiliary spillway structure fence which is drawn perpendicular to the centerline of embankment: 16’ Gate to be Installed.

· Insert the note: Waste area shall be designated at the time of the site showing.

· Remove the note: Waste Area Fill to Elev. 423.0.

· Insert the note: Fill Low Area to Elev. 423.0, as Designated at the Site Showing.

2. Change the following items on construction drawing TX-EN-0556, sheet 3

- Remove the following note under the detail label 16’ Gate Opening: (1 gates required)

- Insert the following note under the detail label 16’ Gate Opening: (2 gates required)

3. Insert the following paragraph in CS 6 Seeding, Sprigging and Mulching Section:

- When working on slopes which are steeper than 3:1 horizontal to vertical, all rubber tire equipment on the slope will be held with truck or tractor and winch line with the truck or tractor operating along the crown of the embankment or other suitable flat surface. As an alternative, track (crawler) equipment with a low center of gravity may be used to perform work on slopes without a winch line requirement when operated in accordance with applicable OSHA requirements.

4.

In CS 8 Mobilization and Demobilization delete the requirements in Section 4.a.(2) (b).

5.

In CS 21 Excavation change the following requirements in Section 10.c.

- Remove the following: c.

Subsidiary Item, Excavation, Common, Auxiliary Spillway Side Slope Repair.

- Insert the following: c. Subsidiary Item, Excavation, Common, Auxiliary Spillway Repairs.

- Remove the following sentence in: c. (1)

- Insert the following: c. (1) This item shall consist of all excavation required to shape out the eroded area on the outside slope of the auxiliary spillway at the approximate station 15+00 and low area in forebay of auxiliary spillway.

- Insert the following: c. (3) The low area shall be excavated to 6-12” as determined by engineer to remove the topsoil. Topsoil shall be placed in stockpile area.

- Insert the following: c. (4) Separate payment will not be made for this item. Compensation for this item will be included in the payment for the bid item Lime-Treated Earthfill.

6.

In CS 23 Earthfill change the following requirements in Section 10.

- Remove the following: a. Subsidiary Item, Earthfill, Auxiliary Spillway Slope Repair.

- Insert the following: a. Subsidiary Item, Earthfill, Auxiliary Spillway Repairs.

- Remove the following sentence in its entirety: a. (1)

- Insert the following: a. (1) This item shall consist of performing all items of work necessary for completion of the placement of the earthfill phase of the excavated side slope repair and low area in auxiliary Spillway.

- Insert the following: a. (4) The finished surface of the repaired low area shall be a smooth, dressed surface with 6 inches of topsoil that matches the existing slopes on both the upstream and downstream spillway. The disturbed area shall be sprigged as specified in CS 6.

7.

In CS 28 Lime-Treated Earthfill Change the following requirements in Section 12 a (4).

- Remove the following: (b) Earthfill, Auxiliary Spillway Side Slope Repair as specified in Construction Specification 23.

- Insert the following: (b) Earthfill, Auxiliary Spillway Repairs as specified in Construction Specification 23.

- Insert the following: (c) Excavation, Auxiliary Spillway Repairs, as specified in Construction Specification 21.

Richland 47

1. Add the following item note on construction drawing TX-EN-0560, sheet 2

- The downstream embankment shall be stripped of vegetal, organic and any other unsuitable materials prior to topsoil placement.

2. Add the following item note on construction drawing TX-EN-0560, sheet 3

- The wave berm shall transition from zero at station 7+50 to full wave berm at 8+00 and from full wave berm at 12+00 to zero wave berm at 12+50.

3. In CS 8 Mobilization and Demobilization Change the following requirements in Section 4 a.

- Remove the following sentence in its entirety : (b)

- Insert the following: (b) As a part of work required by this bid item, the Contractor shall install a 16-foot-wide gate at the entrance off of County Road 3418 for direct access from the County Road to the Lime Processing Area. The gate shall conform to the requirements as shown on the drawings.

4. In CS 23 Earthfill Change the following requirements in Section 10 a.

- Remove the following sentence in its entirety: (4)

- Insert the following: (4) The upper limit of the earthfill construction shall be El. 512.5 or as specified on the construction drawings.

5. In CS 26 Topsoiling Change the following requirements in Section 7 a.

- Remove the following sentence in its entirety: (1)

- Insert the following: (1) This item shall consist of the salvaging of approved topsoil from required embankment excavations and placing and spreading it on embankment earthfills as specified on the drawings.

Richland 48

1. Change the following items on construction drawing TX-EN-0549, sheet 1

- Remove the following on Plan of Embankment and Spillways detail: 14 ft wire gap

- Insert the following on Plan of Embankment and Spillways detail: 16 ft gate to be installed

- Remove the following on Plan of Embankment and Spillways detail: 12’ crown

- Insert the following on Plan of Embankment and Spillways detail: 14’ crown

- Remove the following on Berm and Rock Profile detail: Top of rock El. 521.0

- Insert the following on Berm and Rock Profile detail: Top of rock El. 521.5

2. Change the following items on construction drawing TX-EN-0549, sheet 2

Remove the following on STA. 13+45 Section: R-300, Rock Riprap 2.5 ft thick.

· Insert the following on STA. 13+45 Section: R-150, Rock Riprap 2 ft thick.

· Remove the following on STA. 13+45 Section: Lower limit of wave berm repair shall be to a min. el. 515.5 from sta 13+35 to 13+65 over the principle spillway and transition back down on a 6:1 slope away from each side of this section.

3. In CS 23 Earthfill Change the following requirements in Section 10 a.

- Remove the following sentence in its entirety : (4)

- Insert the following: (4) The upper limit of the earthfill in the wave berm shall be El. 521.5.

Chambers 128

1. Change the following items on construction drawing TX-EN-0542, sheet 1.

- Remove the following note: The excavation shall transition from zero cut at sta. 7+50 to the full cut at sta. 8+00 and from full cut at sta. 23+50 to zero cut at sta. 24+00. The full cut is shown in the sections on sheet 2.

- Insert the following note: Stockpiled excavations and topsoil that are currently located at the outlet end of the auxiliary spillway shall be used as earthfill or topsoil as appropriate. This area shall be included in the scope of the SWPPP and shall require silt fences located on the downstream side of the stockpiled material. The disturbed area shall be sprigged as per construction specification 6.

- Insert the following: Fence with the label R/C at approximate station 17+50 from front to back to structure fences. A 16’ gate shall be installed at crown of embankment.

2. Change the following items on construction drawing TX-EN-0542, sheet 4.

· Insert the following note: Diversion toe on auxiliary spillway side shall be 145’ from existing centerline of auxiliary spillway. Lower limits of excavation shall be the elevation at existing ground line 120’ from existing centerline of auxiliary spillway as shown on Auxiliary Spillway Cross Sections. The disturbed area shall be sprigged as per construction specification 6.

3. Change the following items on construction drawing TX-EN-0542, sheet 5.

- Remove the following elevations on Wave Berm Rock Termination Detail: El. 375.1 at stations 10+00 and 20+00

- Insert the following elevations on Wave Berm Rock Termination Detail: El. 373.6 at stations 10+00 and 20+00

- Remove the following elevations on Section Principal Spillway Detail: El. 373.1 at bottom of rock and El. 372.1 at lower limits of excavation.

- Insert the following elevation on Section Principal Spillway Detail: El. 373.6 at bottom of rock

4. Change the following items on construction drawing TX-EN-0542, sheet 7.

- Remove the following note under the detail label 16’ Gate Opening: (3 gates required)

- Insert the following note under the detail label 16’ Gate Opening: (4 gates required)

5. In CS 8 Mobilization and Demobilization Change the following requirements in Section 4 a. (2)

- Remove the fourth sentence from paragraph (a). The removed sentence is as follows: A culvert shall be placed in the bar ditch where the access road and NE County Road 1030 intersect.

6. In CS 21 Excavation add the following requirements in Section 10 d.

Subsidiary Item, Excavation, Common, Plunge Basin

(1) This item shall consist of all excavation required for the construction of the plunge basin and outlet channel shown on the drawings.

(2) Separate payment will not be made for this item. Compensation for this item will be included in the payment for the bid item Rock Riprap.

7. In CS 23 Excavation add the following requirements in Section 10 b.

Subsidiary Item, Earthfill, Plunge Basin

(1) This item shall consist of all earthfill required for the construction of the plunge basin and outlet channel shown on the drawings.

(2) Separate payment will not be made for this item. Compensation for this item will be included in the payment for the bid item Rock Riprap.

8. In CS 61 Rock Riprap add the following requirements in Section 7 a.

(7).

The items of work subsidiary to this bid item are:

(a) Excavation, Common, Plunge Basin as specified in Construction Specification 21.

(b) Earthfill, Plunge Basin as specified in Construction Specification 23.

Special Contract Requirements

ACCIDENT PREVENTION AND SAFETY, SUPPLEMENT TO OSHA PART 1926 AND 1910 Construction Industry Standards and Interpretations

The Contractor shall comply with applicable OSHA safety regulations 1926. The Contracting Officer will notify the Contractor of any noncompliance with these requirements. If the Contractor refuses to comply with these requirements, all or part of the work may be suspended until corrective action is taken.

The Inspector and Project Engineer will have delegated authority to suspend work for any noncompliance with safety requirements that poses a serious or imminent danger to the health or safety of the public and/or personnel of the Contractor, NRCS, or local Sponsors.

The Supplement to OSHA 1926 and 1910 emphasizes several specific safety items which must be understood by the Contractor prior to bidding this job. Among these items are the requirements for:

1. Written plan for accident prevention and safety (CO must approve rior to beginning work).

2. First aid certificates

3. First aid facilities

4. Safety Meetings, weekly “tool box” and monthly

5. Dust control

6. Rollover protective structures

7. Backup alarms

8. Restroom Facilities

Hard hats shall be worn on the job site at all times and equipment shall be outfitted with working backup alarms, seat belts, and approved roll-over protective structures.

All equipment shall be inspected by the NRCS Construction Inspector prior to use on the project. Equipment shall be inspected at the job site.

452.236-76 – SAMPLES AND CERTIFICATES

Certificates and test data shall be submitted to show compliance of materials and construction specified in the contract requirements. Materials or equipment for which samples, certifications or test data are required shall not be used in the work until approved in writing by the Contracting Officer.

Materials which require material certifications are: Rock Riprap, Geotextile, Quicklime, Concrete, Fencing and appurtenances.

SPECIFICATIONS

There are two types of specifications in this contract: (1) Construction Specifications and (2) Material Specifications. The construction specifications are composed of two parts. The first part is called the closed specification and is the standard NRCS construction specification that begins with the SCOPE and ends with MEASUREMENT AND PAYMENT or PAYMENT. The second part is called the open specification and consists of the ITEMS OF WORK AND CONSTRUCTION DETAILS that are written specifically for this job.

Special emphasis items are covered below.

Richland 26

Clearing and Grubbing 2

The Contractor shall remove and dispose of all vegetation within the work limits required for the implementation of the works of improvement as shown on the drawings. Removed vegetation may be burned or buried onsite and shall conform to all state and local regulations. Note prickly pear removal requirement. Subsidiary item of work, Payment for this item shall be made in the bid item Excavation, Common.

Structure Removal 3

The Contractor shall be responsible to remove and replace the fences as shown on the construction drawings. Salvage of fences removed is not required. Fences removed by the contractor for access shall be replaced by the Contractor to better or equal to condition. Subsidiary item of work includes replacement of access fences. Payment for this item shall be made in the bid item for Mobilization and Demobilization.

POLLUTION CONTROL 5

General. A SWPPP is required for this site (copy included in contract). A SWPPP (SWP3) has been prepared and shall be amended by Contractor to include a detailed work sequence outline which defines and delineates the Contractor’s construction operation and major earthwork starting and ending times. All applicable TCEQ rules and regulations concerning the TPDES and the SWPPP shall be followed.

Bid Item 1. Includes work required to accomplish the requirements of Section 1 (except sediment filters) and to implement the SWP3 and maintain the SWPPP. Contractor is required to submit a NOI. Method 3 in Section 7 establishes lump sum payment for this work which is prorated in equal monthly payments. Maintenance for silt fences shall be include in this bid item.

Bid Item 2 The sediment filters (silt fence filters) shall be installed as per SWPPP requirements and per Section 8.b. and the Drawings (see sheet 4). Note that 1,383 linear feet are estimated to be used.

Seeding Sprigging and Mulching 6

Payment for this item shall be made in Bid Item 3. Contractor required to prepare seedbed, furnish and apply sprigs, hay mulch, tackifier and fertilizer.

A good quality Hay Mulch of coastal bermudagrass or native bluestem mix, is required on all areas sprigged. Hay mulch application rate is 2.5 tons per acre. The hay mulch shall be stabilized by a nonasphaltic tackifier and shall be applied at a rate of 40 pounds per acre, or by mechanical crimper as described in Section 5, if the safety criteria can be met. The safety criteria is to provide an anchor tractor and tie off of equipment for rubber tired equipment operating on slopes greater than 3:1.

CONSTRUCTION SURVEYS 7

The surveys that are required to be conducted by the Contractor are specified in Section 5 (Method 2); in Section 9.a.; and in Section 6. Note the Contractor is responsible for the layout of all the work. Also the Contractor is responsible for checking (blue topping) all work. The Contractor shall also submit for approval in writing the name, qualifications and experience of the surveyor personnel for approval prior to commencement of work.

The Contractor is responsible for providing survey information to the NRCS as stated in Section 7, (Records) at the end of the job. Payment for this item shall be made in Bid Item 4. Method 2 in Section 8 establishes lump sum payment for this work and payment amount will be based on progress determined from the approved construction schedule.

Per 9.a.(3), initial surveys from the existing ground surface has been completed by the NRCS, these surveys shall be used to calculate final payment quantities for Excavation and Earthfill. (Provided no other changes are made from the planned lower limits of excavation) Contractor shall establish the Permanent Reference Markers as specified in CS 92.

MOBILIZATION AND DEMOBILIZATION 8

The Contractor shall furnish and install electrical service and potable water to a Contractor furnished government field office. All contractor-furnished utilities must be in place prior to work requiring continuous inspection and no later than 15 days after receipt of the Notice to Proceed. Site Access route to the job site shall be maintained in a rut free condition, gravel or other suitable rock shall be used to stabilize the construction entrance (See SWPPP requirements). Gravel placed on access road shall remain at completion of construction.

Access to the site entrance is off of SW2290. A culvert shall be placed in road ditch as specified.

In Section 3 PAYMENT it states, "Payment will be made as the work proceeds, after presentation of paid invoices …. by the Contractor showing specific mobilization and demobilization costs and supporting evidence of the charges of suppliers, subcontractors, and others." You may be asked to provide proof of the total direct cost. You will have to have paid invoices for the purchase of bonds and mobilization supplies in order to be reimbursed for these items prior to the final payment. Payment for this item shall be made in Bid Item 5.

Items of work subsidiary to this bid item are Traffic Control and Structure Removal.

TRAFFIC CONTROL 9

Subsidiary Item to mobilization and demobilization. This item of work requires the contractor to establish and maintain traffic control at access points to the work. A written plan is required.

REMOVAL OF WATER 11

This item of work requires the contractor to submit written plans for diverting the surface water and dewatering the construction site are required before beginning construction. The Contractor is responsible for accomplishing the work as specified. Payment for this item shall be made in Bid Item 6. The Contractor shall be responsible for damage to the slide gate. The contractor may impound construction water as needed to accomplish the work in the pool area and the contractor is responsible for the removal of all temporary works as stated in Section 6. The Contractor is responsible for gate operation during the contract period.

EXCAVATION 21

There is no guarantee that materials obtained from the specified excavations may be used directly in the specified fills. Stockpiling of excavated materials to be used in the specific zones of the fill shall be required (to insure their availability).

Bid Item 7 – Excavation, Common, Embankment - Excavations in the embankment are classified as common. The measurement and payment method in Section 9 is Method 3. Embankment Stripping is required to remove weeds, grass, roots, and soils containing significant vegetative or organic material, 6 to 12 inches. The stripped material shall be salvaged and stockpiled.

Excavation on the upstream slope around the PS pipe shall be done with caution, any damage to the PS pipe or outlet structure shall be the contractor responsibility to repair or replace .

Excavation, Common, Borrow – is subsidiary to lime treated earthfill. Borrow excavation shall not be measured.

Excavation, Common, Auxiliary Spillway Repairs – are subsidiary to Lime treated Earthfill. Consists of the excavations required for the shaping of eroded side slope repair and the removal of topsoil in the designated fill area in the forebay of the auxiliary spillway. Excavations for these improvements shall not be measured.

EARTHFILL 23

Item of Work -All earthfills require Class C compaction. Two passes of loaded earthmoving equipment in maximum 6 inch lift layers. In Section 4 Placement, fill shall not be placed until the required excavation and foundation preparation have been completed and the foundation has been inspected, surveyed and approved by the Engineer. Fill shall be placed in horizontal layers. Note the processing requirements including the disk blade size.

Earthfill, Auxiliary Spillway Repairs- Earthfill required for the construction of the eroded side slope repair and fill area in the forebay of the auxiliary spillway. A minimum of 6” of topsoil shall be placed on all earthfill surfaces. Disturbed areas shall be sprigged as per construction specification 6.

TOPSOILING 26

Bid Item 8 – This item requires the Contractor to salvage topsoil from the stockpiled excavations. After lime treated earthfill has been completed, place the topsoil at a 12” thickness.

Bid Item 9 – This item requires contractor to strip the lime processing area, stockpile the topsoil and replace at a depth of 12” after completion of the use for the lime processing area.

Lime Treated Earthfill 28 Bid Item 10 –Placement of the lime treated earthfill shall be within 8 hours from the start of the mixing process. Mixing shall be accomplished by using disk and high speed rotary mixers. A minimum of two cycles of mixing and watering shall be accomplished. Water content at completion of mixing shall be at optimum.

In Section 12 add; In addition the mixing and placing requirements in CS 28, Section 7, 8,; Compaction, processing, and moisture content shall be performed in accordance with the requirements of Section 5 and Section 10 of Construction Specification 23.

Bid Item 11 – The Contractor shall use quicklime at 4% relative to the dry unit weight of treated soil. The payment for furnishing and handling quicklime shall be paid to the nearest ton by actual weight. Delivery tickets with the tons delivered shall be furnished to the Construction Inspector prior to unloading the quicklime.

Fencing 92 Payment for this item shall be made in Bid Item 12. The Contractor shall replace all fences removed unless directed by engineer or noted on construction drawing. The fence shall meet Drawing sheet 3 construction requirements. Note the Permanent Reference Mark installation requirements.

CONTRACTOR QUALITY CONTROL 94

In Sections 3 and 4, Method 2 shall be used. This requires the quality control activities to be performed by competent personnel who are separate and apart from the line supervision and who report directly to management. Names of quality control personnel and their duties, qualifications, certifications, and authorities are required and shall be submitted to the CO for approval. A written plan (quality control system) must be submitted to the CO for approval. Daily QC reports are required to be submitted to the Inspector. Any testing done by the NRCS is for the sole benefit of the NRCS. It is the Contractor’s responsibility to perform tests to prove and ensure that all work performed meets the contract requirements. All tests shall be conducted in accordance with the appropriate ASTM method and with equipment that meets the requirements of the specified ASTM test method. Color slides or 3 megapixel or greater photos documenting the work are required with automatic imprinting of time and date as specified. Payment for this item shall be made in Bid Item 13.

Richland 47

Clearing and Grubbing 2

The Contractor shall remove and dispose of all vegetation within the work limits required for the implementation of the works of improvement as shown on the drawings. Removed vegetation may be burned or buried onsite and shall conform to all state and local regulations. Subsidiary item of work, Payment for this item shall be made in the bid item Excavation, Common.

Structure Removal 3

The Contractor shall be responsible to remove and replace the fences as shown on the construction drawings. Salvage of fences removed is not required. Fences removed by the contractor for access shall be replaced by the Contractor to better or equal to condition. Subsidiary item of work, including replacement of fences, Payment for this item shall be made in the bid items for Mobilization and Demobilization.

POLLUTION CONTROL 5

General. A SWPPP is required for this site (copy included in contract). A SWPPP (SWP3) has been prepared and shall be amended by Contractor to include a detailed work sequence outline which defines and delineates the Contractor’s construction operation and major earthwork starting and ending times. All applicable TCEQ rules and regulations concerning the TPDES and the SWPPP shall be followed.

Bid Item 1. Includes work required to accomplish the requirements of Section 1 (except sediment filters) and to implement the SWP3 and maintain the SWPPP. Contractor is required to submit a NOI. Method 3 in Section 7 establishes lump sum payment for this work which is prorated in equal monthly payments. Maintenance for silt fences shall be include in this bid item.

Bid Item 2 The sediment filters (silt fence filters) shall be installed as per SWPPP requirements and per Section 8.b. and the Drawings (see sheet 5). Note that 700 feet are estimated to be used.

Seeding Sprigging and Mulching 6

Payment for this item shall be made in Bid Item 3. Contractor required to prepare seedbed, furnish and apply sprigs, hay mulch, tackifier and fertilizer.

A good quality Hay Mulch of coastal bermudagrass or native bluestem mix, is required on all areas sprigged. Hay mulch application rate is 2.5 tons per acre. The hay mulch shall be stabilized by a nonasphaltic tackifier and shall be applied at a rate of 40 pounds per acre, or by mechanical crimper as described in Section 5, if the safety criteria can be met. The safety criteria is to provide an anchor tractor and tie off of equipment for rubber tired equipment operating on slopes greater than 3:1.

CONSTRUCTION SURVEYS 7

The surveys that are required to be conducted by the Contractor are specified in Section 5 (Method 2); in Section 9.a.; and in Section 6. Note the Contractor is responsible for the layout of all the work. Also the Contractor is responsible for checking (blue topping) all work. The Contractor shall also submit for approval in writing the name, qualifications and experience of the surveyor personnel for approval prior to commencement of work.

The Contractor is responsible for providing survey information to the NRCS as stated in Section 7, (Records) at the end of the job. Payment for this item shall be made in Bid Item 4. Method 2 in Section 8 establishes lump sum payment for this work and payment amount will be based on progress determined from the approved construction schedule.

Per 9.a.(3), initial surveys from the existing ground surface has been completed by the NRCS, these surveys shall be used to calculate final payment quantities for Excavation and Earthfill. (Provided no other changes are made from the planned lower limits of excavation) Contractor shall establish the Permanent Reference Markers as specified in CS 92.

MOBILIZATION AND DEMOBILIZATION 8

The Contractor shall furnish and install electrical service and potable water to a Contractor furnished government field office. All contractor-furnished utilities must be in place prior to work requiring continuous inspection and no later than 15 days after receipt of the Notice to Proceed. Site Access route to the job site shall be maintained in a rut free condition, gravel or other suitable rock shall be used to stabilize the construction entrance (See SWPPP requirements). Access to the site entrance is off of County Road 3418, which is off of HWY 22. The contractor shall provide and install a culverts along the access road and one16ft access gates. Culverts and gates remain in place at the completion of work.

In Section 3 PAYMENT it states, "Payment will be made as the work proceeds, after presentation of paid invoices …. by the Contractor showing specific mobilization and demobilization costs and supporting evidence of the charges of suppliers, subcontractors, and others." You may be asked to provide proof of the total direct cost. You will have to have paid invoices for the purchase of bonds and mobilization supplies in order to be reimbursed for these items prior to the final payment. Payment for this item shall be made in Bid Item 5.

Items of work subsidiary to this bid item are Traffic Control and Structure Removal.

TRAFFIC CONTROL 9

Subsidiary Item to mobilization and demobilization. This item of work requires the contractor to establish and maintain traffic control at access points to the work. A written plan is required.

REMOVAL OF WATER 11

This item of work requires the contractor to submit written plans for diverting the surface water and dewatering the construction site are required before beginning construction. The Contractor is responsible for accomplishing the work as specified. Payment for this item shall be made in Bid Item 6. The Contractor shall be responsible for damage to the slide gate. The contractor may impound construction water as needed to accomplish the work in the pool area and the contractor is responsible for the removal of all temporary works as stated in Section6. The Contractor is responsible to gate operation during the contract period.

EXCAVATION 21

There is no guarantee that materials obtained from the specified excavations may be used directly in the specified fills. Stockpiling of excavated materials to be used in the specific zones of the fill shall be required (to insure their availability).

Bid Item 7 – Excavation, Common, Embankment Excavations in the embankment are classified as common. The measurement and payment method in Section 9 is Method 3. Embankment Stripping is required to remove weeds, grass, roots, and soils containing significant vegetative or organic material, 6 to 12 inches. The stripped material shall be salvaged and stockpiled.

Excavation on the upstream slope around the PS pipe shall be done with caution, any damage to the PS pipe or outlet structure shall be the contractor responsibility to repair or replace.

Bid Item 8 – Excavation, Common, Berm – Required for the completion of the wave berm as shown on the construction drawings. Payment in Section 9 is Method 3.

Excavation, Common, Borrow– is subsidiary to lime treated earthfill. Borrow excavation shall not be measured.

EARTHFILL 23

Bid Item 9 - Item of Work -All earthfills require Class A compaction, in-place dry density of materials being placed shall not be less than 100 percent of the maximum dry density obtained during tests performed in accordance with procedures contained in ASTM Designation D-698, using Method A or B. In Section 4 Placement, fill shall not be placed until the required excavation and foundation preparation have been completed and the foundation has been inspected, surveyed and approved by the Engineer. Fill shall be placed in horizontal layers. Note the processing requirements including the disk blade size.

TOPSOILING 26

Bid Item 10 – This item requires the Contractor to salvage topsoil from the stockpile area. After lime treated earthfill has been completed, replace the topsoil at a 12” thickness.

Bid Item 11 – This item requires contractor to strip the lime processing area, stockpile the topsoil and replace at a depth of 12” after completion of the use for the lime processing area.

Lime Treated Earthfill 28

Bid Item 12 –Placement of the lime treated earthfill shall be within 8 hours from the start of the mixing process. Mixing shall be accomplished by using disk and high speed rotary mixers. A minimum of two cycles of mixing and watering shall be accomplished. Water content at completion of mixing shall be at optimum.

In Section 12 add; In addition the mixing and placing requirements in CS 28, Section 7, 8,; Compaction, processing, and moisture content shall be performed in accordance with the requirements of Section 5 and Section 10 of Construction Specification 23.

Bid Item 13 – The Contractor shall use quicklime at 4% relative to the dry unit weight of treated soil. The payment for furnishing and handling quicklime shall be paid to the nearest ton by actual weight. Delivery tickets with the tons delivered shall be furnished to the Construction Inspector prior to unloading the quicklime.

ROCK RIPRAP 61.

Rock Type 1 is required. Gradation requirements are shown on the construction drawing. Test load requirements are in 8.a.(3). Note the testing requirements in Material Specification 523 and the methods required for the soundness test. The riprap may be equipment placed. Equipment shall not be allowed on the rock during or after placement. Payment for this item shall be made in Bid Item 14. Statement-of-delivery ticket showing weight to the nearest 0.1 ton is required and shall be furnished to the Inspector. Delivery of rock is allowed only during regularly scheduled work hours.

Fencing 92 Payment for this item shall be made in Bid Item 15. The Contractor shall replace all fences removed unless directed by engineer or noted on construction drawing. The fence shall meet Drawing sheet 4 construction requirements. Note the PRM installation requirements. Note shaping and smoothing requirements on auxiliary spillway.

CONTRACTOR QUALITY CONTROL 94

In Sections 3 and 4, Method 2 shall be used. This requires the quality control activities to be performed by competent personnel who are separate and apart from the line supervision and who report directly to management. Names of quality control personnel and their duties, qualifications, certifications, and authorities are required and shall be submitted to the CO for approval. A written plan (quality control system) must be submitted to the CO for approval. Daily QC reports are required to be submitted to the Inspector. Any testing done by the NRCS is for the sole benefit of the NRCS. It is the Contractor’s responsibility to perform tests to prove and ensure that all work performed meets the contract requirements. All tests shall be conducted in accordance with the appropriate ASTM method and with equipment that meets the requirements of the specified ASTM test method. Color slides or 3 megapixel or greater photos documenting the work are required with automatic imprinting of time and date as specified. Payment for this item shall be made in Bid Item 16.

GEOTEXTILE 95

Per Section 5, geotextile shall be secured in place with pins and overlap shall be 18 inches. Payment for this item shall be made in Bid Item 17. Non Woven Class I as defined in Material Specification 592, Table 592-2.

Richland 48 Clearing and Grubbing 2

The Contractor shall remove and dispose of all vegetation within the work limits required for the implementation of the works of improvement as shown on the drawings. Removed vegetation may be burned or buried onsite and shall conform to all state and local regulations. Subsidiary item of work, Payment for this item shall be made in the bid item Excavation, Common.

Structure REMOVAL 3

The Contractor shall be responsible to remove and replace the fences as shown on the construction drawings. Salvage of fences removed is not required. Fences removed by the contractor for access shall be replaced by the Contractor to better or equal to condition. Subsidiary item of work, including replacement of fences, Payment for this item shall be made in the bid items for Mobilization and Demobilization.

POLLUTION CONTROL 5

General. A SWPPP is required for this site (copy included in contract). A SWPPP (SWP3) has been prepared and shall be amended by Contractor to include a detailed work sequence outline which defines and delineates the Contractor’s construction operation and major earthwork starting and ending times. All applicable TCEQ rules and regulations concerning the TPDES and the SWPPP shall be followed.

Bid Item 1. Includes work required to accomplish the requirements of Section 1 (except sediment filters) and to implement the SWP3 and maintain the SWPPP. Contractor is required to submit a NOI. Method 3 in Section 7 establishes lump sum payment for this work which is prorated in equal monthly payments.

Bid Item 2 The sediment filters (silt fence filters) shall be installed as per SWPPP requirements and per Section 8.b. and the Drawings (see sheet 3). Note that 1,350 feet are estimated to be used.

Seeding Sprigging and Mulching 6

Payment for this item shall be made in Bid Item 3. Contractor required to prepare seedbed, furnish and apply sprigs, hay mulch, tackifier and fertilizer.

A good quality Hay Mulch of coastal bermudagrass or native bluestem mix, is required on all areas sprigged. Hay mulch application rate is 2.5 tons per acre. The hay mulch shall be stabilized by a nonasphaltic tackifier and shall be applied at a rate of 40 pounds per acre, or by mechanical crimper as described in Section 5, if the safety criteria can be met. The safety criteria is to provide an anchor tractor and tie off of equipment for rubber tired equipment operating on slopes greater than 3:1.

CONSTRUCTION SURVEYS 7

The surveys that are required to be conducted by the Contractor are specified in Section 5 (Method 2); in Section 9.a.; and in Section 6. Note the Contractor is responsible for the layout of all the work. Also the Contractor is responsible for checking (blue topping) all work. The Contractor shall also submit for approval in writing the name, qualifications and experience of the surveyor personnel for approval prior to commencement of work.

The Contractor is responsible for providing survey information to the NRCS as stated in Section 7, (Records) at the end of the job. Payment for this item shall be made in Bid Item 4. Method 2 in Section 8 establishes lump sum payment for this work and payment amount will be based on progress determined from the approved construction schedule.

Per 9.a.(3), initial surveys from the existing ground surface has been completed by the NRCS, these surveys shall be used to calculate final payment quantities for Excavation and Earthfill. (Provided no other changes are made from the planned lower limits of excavation).

Contractor shall establish the Permanent Reference Markers as specified in CS 92.

MOBILIZATION AND DEMOBILIZATION 8

The Contractor shall furnish and install electrical service to the Contractor furnished government field office. All contractor-furnished utilities must be in place prior to work requiring continuous inspection and no later than 15 days after receipt of the Notice to Proceed. Site Access route to the job site shall be maintained in a rut free condition, gravel or other suitable rock shall be used to stabilize the construction entrance (See SWPPP requirements). Access to the site entrance is off of County Road 3417. A 16’ gate and culvert shall be installed at entrance off road.

In Section 3 PAYMENT it states, "Payment will be made as the work proceeds, after presentation of paid invoices …. by the Contractor showing specific mobilization and demobilization costs and supporting evidence of the charges of suppliers, subcontractors, and others." You may be asked to provide proof of the total direct cost. You will have to have paid invoices for the purchase of bonds and mobilization supplies in order to be reimbursed for these items prior to the final payment. Payment for this item shall be made in Bid Item 5.

Items of work subsidiary to this bid item are Traffic Control and Structure Removal.

TRAFFIC CONTROL 9

Subsidiary Item to mobilization and demobilization. This item of work requires the contractor to establish and maintain traffic control at access points to the work. A written plan is required.

REMOVAL OF WATER 11

This item of work requires the contractor to submit written plans for diverting the surface water and dewatering the construction site are required before beginning construction. The Contractor is responsible for accomplishing the work as specified. Payment for this item shall be made in Bid Item 6. The Contractor shall be responsible for damage to the slide gate. The contractor may impound construction water as needed to accomplish the work in the pool area and the contractor is responsible for the removal of all temporary works as stated in Section6. The Contractor is responsible to gate operation during the contract period.

EXCAVATION 21

There is no guarantee that materials obtained from the specified excavations may be used directly in the specified fills. Stockpiling of excavated materials to be used in the specific zones of the fill shall be required (to insure their availability).

Bid Item 7 – Excavation, Common, Embankment - Excavations in the embankment are classified as common. The measurement and payment method in Section 9 is Method 3. Embankment Stripping is required to remove weeds, grass, roots, and soils containing significant vegetative or organic material, 6 to 12 inches. The stripped material shall be salvaged and stockpiled.

Excavation on the upstream slope around the PS pipe shall be done with caution, any damage to the PS pipe or outlet structure shall be the contractor responsibility to repair or replace.

Bid Item 8 – Excavation, Common, Berm – Required for the completion of the wave berm as shown on the construction drawings. Payment in Section 9 is Method 3.

Excavation, Common, Borrow– is subsidiary to lime treated earthfill. Borrow excavation shall not be measured.

EARTHFILL 23

Bid Item 9 - Item of Work -All earthfills require Class A compaction, in-place dry density of materials being placed shall not be less than 100 percent of the maximum dry density obtained during tests performed in accordance with procedures contained in ASTM Designation D-698, using Method A or B. In Section 4 Placement, fill shall not be placed until the required excavation and foundation preparation have been completed and the foundation has been inspected, surveyed and approved by the Engineer. Fill shall be placed in horizontal layers. Note the processing requirements including the disk blade size.

TOPSOILING 26

Bid Item 10 – Embankment-This item requires the Contractor to salvage topsoil from the stockpiled area. After lime treated earthfill has been completed, replace the topsoil at a 12” thickness.

Bid Item 11 – Lime Processing Area-This item requires contractor to salvage the topsoil from the lime processing area, stockpile the topsoil and replace at a depth of 12” after completion of the use for the lime processing area.

Lime Treated Earthfill 28

Bid Item 12 – Lime-Treated Earthfill-Placement of the lime treated earthfill shall be within 8 hours from the start of the mixing process. Mixing shall be accomplished by using disk and high speed rotary mixers. A minimum of two cycles of mixing and watering shall be accomplished. Water content at completion of mixing shall be at optimum.

In Section 12 add; In addition the mixing and placing requirements in CS 28, Section 7, 8,; Compaction, processing, and moisture content shall be performed in accordance with the requirements of Section 5 and Section 10 of Construction Specification 23.

Bid Item 13 – Furnishing and Handling Lime-The Contractor shall use quicklime at 4% relative to the dry unit weight of treated soil. The payment for furnishing and handling quicklime shall be paid to the nearest ton by actual weight. Delivery tickets with the tons delivered shall be furnished to the Construction Inspector prior to unloading the quicklime.

ROCK RIPRAP 61

Rock Type 1 is required. Gradation requirements are shown on the construction drawing. Test load requirements are in 8.a.(3). Note the testing requirements in Material Specification 523 and the methods required for the soundness test. The riprap may be equipment placed. Equipment shall not be allowed on the rock during or after placement. Payment for this item shall be made in Bid Item 14. Statement-of-delivery ticket showing weight to the nearest 0.1 ton is required and shall be furnished to the Inspector. Delivery of rock is allowed only during regularly scheduled work hours.

Fencing 92 Payment for this item shall be made in Bid Item 15. The Contractor shall replace all fences removed unless directed by engineer or noted on construction drawing. The fence shall meet Drawing sheet 3 construction requirements. Note the Permanent Reference Marker installation requirements.

CONTRACTOR QUALITY CONTROL 94

In Sections 3 and 4, Method 2 shall be used. This requires the quality control activities to be performed by competent personnel who are separate and apart from the line supervision and who report directly to management. Names of quality control personnel and their duties, qualifications, certifications, and authorities are required and shall be submitted to the CO for approval. A written plan (quality control system) must be submitted to the CO for approval. Daily QC reports are required to be submitted to the Inspector. Any testing done by the NRCS is for the sole benefit of the NRCS. It is the Contractor’s responsibility to perform tests to prove and ensure that all work performed meets the contract requirements. All tests shall be conducted in accordance with the appropriate ASTM method and with equipment that meets the requirements of the specified ASTM test method.