S-10-0290_amend_6.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE PAGE OF PAGES

1 13

2. AMENDMENT/MODIFICATION NO. 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQ. NO. 5. PROJECT NO. (If applicable)

Six (6) 6/9/10 381133

6. ISSUED BY CODE 7. ADMINISTERED BY (If other than Item 6) CODE

USDA Forest Service Intermountain EROC 740 Simms Street Golden, CO 80401

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State, and ZIP Code) (X) 9A. AMENDMENT OF SOLICITATION NO.

AG-82B1-S-10-0290

9B. DATED (SEE ITEM 11)

4/7/10

10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in item 14. The hour and date specified for receipt of Offers is extended, is not extended.

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

(X) A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN

THE CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.

The solicitation is amended as detailed on the following page.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

Stephen M. Patton

15B. CONTRACTOR/OFFEROR 15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 16C. DATE SIGNED

6/9/10 (Signature of person authorized to sign) (Signature of Contracting Officer)

NSN 7540-01-152-8070

Previous edition unusable

30-105 STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA

FAR (48 CFR) 53.243

RECOVERY Osprey Campground Public AG-82B1-S-10-0290 Water Hookup Amendment Six (6) Page 2

1. The Schedule of Items is deleted and the attached Schedule of Items is substituted therefor.

2. Specification Section 01570-1.3 B, is changed to read as follows:

Furnish the construction traffic control plan to the CO at least 14 days before construction begins or before changes in segments or phases of the work on the project. Bonner County officials will review the traffic control plan in addition to the Government. Any necessary road closures shall be approved by Bonner County. The CO will review and approve the Traffic Control Plan considering known off-site activities and may require modification to the plan or construction timning to coordinate events. Work shall not commence until the plan is approved.

3. Bonner County Variance V-10-0525-1 requires the Contractor to replace the entire roadway width with 8 inches of ¾ inch minus gravel. Materials and work shall be in accordance with Bonner County Road Standards Manual Requirements.

4. Contractor shall comply with Bonner County Variance V-10-0525-1 requiring curb stop water service valves, water main valves, and air/vac valves be installed 12 feet beyond the edge of the gravel.

5. Specification Section 02226, Bore and Jacking is added.

6. Drawing sheets 2 and 10 are deleted and the attached sheets are substituted therefor.

7. Bidders are notified that the Priest Lake Marathon race will take place on September 25, 2010. The contractor will be required to accommodate the marathon participants.

8. The closing date and time for receipt of offers is set for 3:00 PM (MT), June 23, 2010.

RECOVERY Osprey Campground AG-82B1-S-10-0290

Public Water Hook Up

SCHEDULE OF ITEMS

Osprey Campground Public Water Hookup

Idaho Panhandle National Forest

Priest Lake Ranger District

Bonner County, Idaho

ITEM

NO. DESCRIPTION

METHOD *

OF

MEASUREMENT UNIT

ESTIMATED

QUANTITY

UNIT

PRICE TOTAL

101 Mobilization/Demobilization LSQ LS All Req’d $ $

Trench Restoration – Crushed

Gravel AQ LF 4790 $ $

202 Trench Restoration - Topsoil AQ LF 440 $ $

203 Imported Trench Backfill (If

Required) AQ CY 50 $ $

401 4” Water Main AQ LF 4760 $ $

402 4” Ball Valve and Valve Box AQ EA 3 $ $

403 4” Butt-Fusion Fitting AQ EA 4 $ $

404 2” Water Service AQ EA 2 $ $

405 1-1/2” Water Service AQ EA 3 $ $

406 2” Water Service Pipe AQ LF 370 $ $

407 1-1/2” Water Service Pipe AQ LF 100 $ $

Air Release/Vacuum Breaker

Vault LSQ LS All Req’d $ $

409 Flow Meter Vault LSQ LS All Req’d $ $

Connect to Existing 2-1/2”

Water Line LSQ LS

All Req’d $ $

Connect to Existing 1-1/2”

Water Line LSQ LS

All Req’d $ $

412 Full Road Width Restoration LSQ LS All Req’d $ $

Jack and Bore Under Outlet

Bay Rd LSQ LS All Req’d $ $

TOTAL BID PRICE $

* Designated Method of Measurement

AQ – Actual Quantity CQ – Contract Quantity LSQ – Lump Sum Quantity

Contractor Name: Phone:

Signature: Fax:

Email:

Address: Tin:

City, State, Zip: DUNS:

SECTION 02226

DIVISION 2 - SITEWORK BORE AND JACKING

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PART 1 GENERAL

1.01 WORK INCLUDED

A. This item of work shall consist of furnishing all labor, materials, and equipment necessary to do all work and related items as shown on the Drawings, herein specified, or incidental to proper execution of the work to complete the boring and jacking at the required locations.

B. Underground pipelines crossing existing paved roadways shall be installed within bored and jacked steel casing pipe. Specific crossing requirements shall be obtained in advance from the authority having jurisdiction.

1. Water service line crossing of Outlet Bay Road. Bonner County is the authority having jurisdiction of this road.

1.02 DEFINITIONS

A. Carrier Pipe: Water pipe.

B. Casing Pipe: Sleeve through which carrier pipe will be placed.

C. Boring and Jacking: Method of installing casing pipe by cutting, hand mining, or boring an opening in soils material, simultaneously forcing casing pipe through it with hydraulic jacks.

D. Casing Spacer: Fabricated item for positioning a carrier pipe inside a casing pipe.

1.03 SUBMITTALS

A. Submit the following :

1. Shop drawings for casing pipe showing sizes and hold down assemblies or casing spacers for carrier pipe.

2. Shop drawings of bulkheads when shown on Drawings.

3. Design mixes for concrete, grout and flowable fill.

4. Working drawings and written procedures describing in detail proposed bore and jack method and entire operation to be used, for information only, including, but not limited to:

a. Working and receiving shafts.

b. Dewatering.

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c. Method of removing soils and installation of casing and carrier pipe.

d. Size, capacity, and arrangement of equipment.

e. Backstop.

f. Shaft base material.

g. Type of cutter head.

h. Method of monitoring and controlling line and grade.

i. Detection of surface movement.

j. Procedure for installing pipe supports, anchors, or placement of grout between carrier pipe and casing pipe.

k. Bulkhead details and proposed positive method of anchoring carrier pipe to prevent flotation.

l. Catalog data for casing spacers when used for temporary support during construction.

m. Procedure for monitoring line and grade.

n. Procedure for protection of the existing water main.

5. If modifications to methods or materials are required during construction, resubmit working drawings delineating modifications, including reasons for them.

B. Submit the following prior to delivery of materials:

1. Certificate of Compliance: Steel pipe for casing pipe when annular space between casing and carrier pipes is not filled with concrete.

1.04 DELIVERY, STORAGE, AND HANDLING

A. Unload and handle materials with equipment of adequate capacity.

1. Store materials on site in reasonably level, well drained area free from brush. Storage area must be pre-approved by COR.

2. Store individual pieces and bundles with safe walking space between to allow full view for inspection purposes.

1.05 PROJECT CONDITIONS

A. Bore so as not to interfere with, interrupt, or endanger surface and activity thereon.

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1. Minimize subsidence of surface, structures, and utilities above and in vicinity of bore.

2. Support ground continuously to prevent loss of ground and keep perimeters stable.

3. Be responsible for settlement resulting from operations.

4. Repair and restore damaged property to its condition before being disturbed.

B. Comply with applicable ordinances, codes, statutes, rules, and regulations of State of Idaho, Bonner County Roads Department, applicable County building codes, and applicable regulations of Federal Government, OSHA 29CFR 1926, and applicable criteria of ANSI A10.16-1995 (R2001), “Safety Requirements for Tunnels, Shafts, and Caissons.”

1.06 ADDITIONAL CRITERIA FOR WORK UNDER TAXIWAYS AND RUNWAYS

A. Do not schedule work within and adjacent to roadway until COR has received and approved submittals. Approval does not relieve Contractor of responsibility for adequacy and safety of procedures.

B. Give CO and County advance written notice as described in permit before entering and working near Outlet Bay Road.

C. Place safety, precautionary, and protective devices and services required by County and COR before work proceeds.

D. No part of the installation equipment shall be within the roadway running surface.

PART 2 PRODUCTS

2.01 CASING PIPE

A. Casing pipe shall be smooth steel pipe, free from rust and scale, ASTM A570 Grade B, minimum yield strength of 35,000 psi, and minimum wall thickness of 3/8-inch.

B. Casing pipe on all water service crossings shall be 8-inches in diameter.

2.02 CARRIER PIPE

A. Size and material as indicated in the Drawings and/or elsewhere in these Specifications.

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2.03 CASING INSULATORS

A. Casing insulators shall be designed to attach directly to the carrier pipe.

The skid pads shall be smooth to allow easy installation of carrier pipe and of a height to center the pipe in the casing. Metal components of casing chocks shall be Type 304 stainless steel.

B. Casing Spacers.

1. Fusion bond assembled carbon steel bands, risers, and studs with PVC or Epoxy 14 to 20 mils thick.

2. Treat and coat stainless steel metal surfaces and welds in order to reduce chemical reactivity of its surface.

3. Bands and Risers.

a. Minimum 2 pieces, stainless steel plate: ASTM A666 Type 304, or hot rolled, pickled carbon steel with a minimum yield strength of 30,000 psi and coat as specified herein.

b. Band: Minimum thickness: 14 gage for carrier pipes up to 12 inches diameter and 12 gage for more than 12 inches.

4. Runners.

a. High density molecular polyethylene or polymer reinforced fiberglass with DURO Hardness A of 80 and minimum dielectric strength of 500 volts per mil with sufficient compressive and shear strengths.

b. Attach to risers with bolts or welded studs.

c. Fill bolt holes with silicone caulk.

5. Spacer Band: Line with minimum 0.090 inch thick ribbed PVC liner of DURO Hardness A of 80 and minimum dielectric strength of 450 volts per mil.

6. Approved Manufacturers.

a. Pipeline Seal and Insulator Inc.

b. Cascade Waterworks Manufacturing Company.

c. Or equal (Minimum 5 years of fabricating casing spacers in the United States).

2.04 CASING END SEALS

A. Casing end seals shall be designed to close the casing end to entrance of

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2.05 SACRIFICIAL ANODES AND WELDING ELECTRODES

A. The packaged anode shall be magnesium with an anode weight of 50 pounds and a package weight of approximately 100 pounds, containing H- 1 alloy meeting ASTM AZ63 cast magnesium alloy. The connecting wire shall be a 10 ft minimum length of single-strand #12 AWG TW insulated copper wire, silver soldered to the core with the joints sealed against moisture. The welding electrodes shall comply with AWS code using ASTM A233 E-70 Series electrodes.

2.06 JOINT RESTRAINT

A. Joint restraint is required at all pipe joints inside the pipe.

B. Acceptable restrained joints include:

a. Butt fusion welded HDPE joints

b. Fully restrained mechanical joints, Mega-lug type

c. CertainTeed C900 with Certa-Lok Restrained Joint System

d. COR approved equal

PART 3 EXECUTION

3.01 GENERAL

A. The Contractor shall be responsible for maintaining cover, grade, and alignment.

B. The Contractor shall excavate the boring and receiving pits at the approved locations. Any required sheeting, shoring, or bracing which is required to provide for safe working conditions shall be provided by the Contractor.

C. After the excavation is opened, the placing and jacking of the pipe shall follow immediately to avoid unnecessarily disturbing the stability of the roadway embankment.

D. Notify COR immediately if obstruction stopping forward motion of operation is encountered during installation.

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1. When it is impossible to advance bore hole or pipe, discontinue operation, abandon completed portion in place, and fill with grout or plug, unless otherwise directed by COR.

E. The top of the casing pipe shall be installed at sufficient depth to provide a minimum of 5.5 feet of cover. The boring and jacking operation shall be perpendicular to the roadway unless shown otherwise on Contract Drawings.

3.02 SPECIAL REQUIREMENTS FOR ROADWAY OPERATIONS

A. Provide minimum of 48 hours notice to the COR prior to commencing Work, including boring-and-jacking operations, within or immediately adjacent to roadways.

B. During all Work near roadways, including boring-and-jacking operations, the Contractor shall arrange for the provision of signage and safety training.

3.03 SHAFT CONSTRUCTION

A. Design, construct, maintain, and remove shaft, including any damage attributed to shaft construction.

B. Excavate, backfill, and grade following Section 02221 and to requirements specified herein.

3.04 BORING OPERATION

A. Once the jacking operation has commenced, it shall be continued uninterrupted around the clock until the casing pipe has been jacked between the specified limits. This requirement may be modified if the Contractor submits to the COR for prior approval, methods and details that shall prevent freezing of the casing pipe and ensure the head is stable at all times.

B. General.

1. Use removable auger and cutting head arrangement.

2. Control line and grade.

C. Boring and Jacking.

1. Jack casing pipe with auger rotating within pipe to remove spoil.

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a. Hand mining may be used for large bore casing pipe, provided method is submitted in detail and is acceptable to

COR.

2. Maintain face of cutting head to preclude free flow of soft or poor soils material.

3. Overcut of Cutting Head:

a. Not to exceed outside diameter of casing pipe by more than 1/2 inch.

b. For hand mining no overcut will be permitted.

4. Use positive means for continuous monitoring and controlling grade of casing pipe during boring operation. The driving end of the pipe shall be properly protected against damage, and the intermediate joints shall be similarly protected by the use of sufficient bearing shims to properly distribute the jacking stresses. Any section of casing pipe showing signs of damage shall be removed and replaced, or repaired to the satisfaction of the COR.

5. For water lines, a tolerance of +/- 6” vertically and 12” horizontally will be permitted as long as minimum cover is maintained.

6. Weld steel pipe casing as required herein.

a. When coating is required, repair coating damage on each side of weld and recoat complete weld area.

3.05 INSTALLATION OF CARRIER PIPE

A. The carrier pipe shall be installed after the casing pipe has been inspected for grade and alignment and approved by the COR. The carrier pipe shall be supported by casing insulators as shown on the Drawings. The pipe support shall be arranged so that the grade and alignment will be maintained throughout the length of the casing pipe.

B. Clean dirt and debris from the casing pipe after installation.

C. Install casing spacers to pipe sections as necessary to support pipe barrel according to the pipe manufacturer's recommendation.

1. Space according to pipe manufacturer’s recommendation. As a minimum, place a spacer within 1 foot of each side of the joint and a maximum spacing of 6 feet.

2. Do not allow pipe to be supported by joint bells.

3. Lubricate casing spacers with drilling mud or flax soap. Do not use petroleum-based lubricants or oils.

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D. Ensure that thrust loads will not damage carrier pipe joints. Provide thrust collars between joint shoulders of concrete pipe.

E. Provide timbers for sufficient cushioning between the end of the pipe pushed and the jacking equipment to prevent damage to the pipe. Do not allow steel jack face to thrust against unprotected pipe end.

F. Position jacks so the resulting force is applied along the centerline of the pipe and the force is applied evenly to the entire end of the pipe.

G. Assemble pipe joints in the jacking pit before pushing the carrier pipe into the casing.

H. Close end of casing pipe around the carrier pipe with a casing end seal per manufacturer’s recommendations. Do not use PCC casing end seals with flexible pipes.

I. Fill the annular space between the carrier and casing pipe, only if required on the plans, with flowable mortar.

3.06 CATHODIC PROTECTION

A. After installing the casing and carrier pipes but before backfilling, the Contractor shall install one packaged anode at each end of the casing pipe. Installation shall include Thermite welds to the casing, and shall be according to the manufacturer’s recommendations.

3.07 FIELD QUALITY CONTROL

A. Maintain line and grade following Drawings to within 2 inch tolerance.

B. Provide compaction testing of backfill materials and embankment, if required, as part of the field quality control for the carrier pipeline being constructed. Ensure that at least one compaction test site occurs at each pit.

END OF SECTION 02226