Am_0002.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

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

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The above numbered solicitation for Southeast Louisiana Urban Flood Control Project, SELA-26, Widening of Florida Avenue Canal, Phase IV St. Ferdinand Street to Peoples Avenue, Orleans Parish, LA is hereby modified as show n on the attached pages. Please note that draw ings associated w ith this amendment are available for dow nload via separate hyperlink w ithin this amendment on the Federal Business Opportunities w ebsite. The deadline to submit questions related to this amendment is 10:00am CST, Thursday, August 7, 2014. Questions submitted after this deadline and/or not related to this amendment w ill not be answ ered.

THE DUE DATE FOR THE SUBMISSION OF PROPOSALS OF 2:00PM CST, 13 AUGUST 2014 REMAINS UNCHANGED.

1. CONTRACT ID CODE PAGE OF PAGES

1 37

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

16C. DATE SIGNED

BY 04-Aug-2014

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912P8-14-R-0036

X 9B. DATED (SEE ITEM 11)

14-Jul-2014

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

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

Offer 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.

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.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

04-Aug-2014

CODE

USACE, CONTRACTING DIVISION

ATTN: CEMVN-CT, ROOM 172

7400 LEAKE AVE.

NEW ORLEANS LA 70118-3651

W912P8 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912P8-14-R-0036

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

AMENDMENT 0002

SECTION 00010

Pages 3, 4, 5, 6, 7, 8, and 9. Delete these pages in their entirety and substitute the attached revised pages 3, 4, 5, 6, 7, 8, and 9 therefore:

SECTION 00130

1. Page 1, Section 1.1, paragraph 2, second sentence. Remove “Source Selection Evaluation Board”, and replace with “Source Selection Team.”

2. Page 9, paragraph 5, sixth sentence. Remove the sentence in its entirety, and replace with “As a courtesy, questionnaires may also be submitted directly to the Government’s point of contact via email at christopher.m.nuccio@usace.army.mil prior to proposal closing date.”

3. Page 22, Volume I, items excluded from page limitation. Insert the following “x.

Organizational Chart (additionally, Organization Charts are not subject to the 8.5” x 11” size requirement.”

4. Page 23, sub-section b. File Packaging. Insert the following sentence at the end of the paragraph: “The Offeror is allowed to submit (1) compact disc (CD) for Volume I, and (1) compact disc (CD) for Volume II.”

5. Attachment 1, page 1 of PPQ form, Note. Remove the following e-mail address

“Justin.D.Dudenhefer@usace.army.mil”, and replace with “Christopher.M.Nuccio@usace.army.mil.”

SECTION 01100

1. Page 13, paragraph 10, heading entitled SEWERAGE & WATER BOARD OF NEW ORLEANS. Change “Mr. Jack Huerkamp” to “Mr. M. Ron Spooner”.

2. Page 23, paragraph 18. Delete the last sentence in its entirety and substitute the following therefore: “Payment for materials delivered offsite is limited to 36”, 42”, 54”, and 72” valves and valve manholes, precast box culverts, and steel H-Piles.”

3. Page 28, subparagraph 27(d). Change the last sentence to read: “The estimated volume of sewage in the 72” I.D. force main is 300,343 gallons, 117,504 gallons in the 60” I.D. force main and 49,970 gallons in the 54” I.D. force main.”

4. Appendix A. Add the attached Norfolk Southern Railroad bridge “As-Built” to the this appendix.

SECTION 01 53 00.02 12

1. Page 9, paragraph 1.6.5. Delete this paragraph in its entirety and substitute the following therefore:

“1.6.5 Design of TRS by The Government

The Contractor is not responsible for design of the TRS for the following blocks: BLOCKS B- FL-10, B-PEO-01 and B-PEO-07-A1. These TRS sections are detailed in Sheets S-301 thru S- 321 and S-501 thru S-504 of the drawings. The Contractor is responsible for all labor and materials required to properly install and remove the specified portions of the TRS systems.

Design and stability requirements in EM-1110-2-2104 and EM 1110-2-2100 shall be met when checking existing structures.”

2. Page 13, paragraph 3.2.1.1. Delete the 1st sentence in its entirety and substitute the following therefore: “Piling shall be extracted using a non-impact, non-vibratory, press-in method.”

3. Add the attached Logs of Boring and Test Results to the end of this section.

SECTION 02 41 00

1. Page 6, paragraph 3.2.3. Delete this paragraph in its entirety and substitute the following

“3.2.3 Existing Railroad Bridges and Abutments

The Contractor shall be responsible for removing the railroad steel bridges and abutments where shown on the drawings. Salvageable items are listed in paragraph 3.3.2. All existing piles left in place after removal of the railroad bridges and abutments shall be cut off two (2) feet below the top of the proposed stabilization slab.”

2. Page 8, paragraph 3.3.2. Delete this paragraph in its entirety and substitute the following

“3.3.2 Norfolk Southern Railroad Salvageable Items

The following list itemizes each of the items associated with Norfolk Southern bridges which will be salvaged by the Contractor and returned to Norfolk Southern Railroad. The contractor will be responsible for loading the items on transportation for delivery to Norfolk Southern Railroad. The Contractor shall coordinate the removal and loading of these items with Norfolk Southern Railroad and the Contracting Officer.

a. Track #1-Chalmette Connection

Span 1 (Western most span) ---------- Steel Span and walkway material Span 3 --------------------------------------- Steel Span Spans 4 & 5 ------------------------------- Concrete Spans(2) Concrete Caps

(4) Concrete Backwall w/Wingwalls

b. Track #2-Intermodal lead Nothing to be salvaged for railroad.

c. Track #3, #4, #5-Milepost NO-194.2 3 track bridge

Track #3 and Track #4 – Steel beams without concrete deck (if possible) Track #5 (West track) - Walkway material and Spans 1 & 3

d. Track #6-Milepost 7.7-NT -Connection between the NT line from the west to the

Yard Concrete caps (3) Concrete Backwalls (2) Steel Spans 1 & 3

e. Track #7 Steel beams and caps (Beams may be removed in pairs.)”

SECTION 03 31 00.00 12

1. Page 5, paragraph 1.3, ASTM INTERNATIONAL (ASTM). Add the following new references:

“ASTM C 1116 (2010a) Standard Specification for Fiber-Reinforced

Concrete

ASTM D 7508 (2010) Standard Specification for Polyolefin Chopped

Strands for Use in Concrete”

2. Page 8, paragraph 1.5, SD-03, “Concrete Mixture Proportions; G”. Delete the 3rd sentence in its entirety and substitute the following therefore: “Proportions shall indicate the mass of cement, pozzolan and slag when used, and water; the mass of aggregates in a saturated surface-dry condition; and the quantities of admixtures and fiber reinforcing.”

3. Page 9, SD-03. Add the following at the end of the paragraph:

“Fiber Reinforcing; G, ED-T

Manufacturer's data sheets shall be submitted for synthetic fiber reinforcing.”

4. Page 11, SD-07. Add the following at the end of the paragraph:

“Fiber Reinforcing; G, ED-T

Synthetic fiber reinforcing shall be certified for compliance with all specification requirements. Certification shall be accompanied by test reports for all required tests.”

5. Page 13, paragraph 1.7.1. Delete the following sentence: “The maximum compressive strength for any portion of the cast-in-place box culverts or flumes shall not exceed 3000 psi @ 7 days (for submitted mix proportions only; acceptance cylinders shall be tested at 28 days.)”.

6. Page 13. Add the following new paragraph as:

“1.7.3 Fiber Reinforced Concrete

Concrete in the Florida Avenue, People Avenue, Almonaster, and Lateral “D” box culverts and flumes shall contain synthetic fiber reinforcing as specified.”

7. Page 16. Add the following new paragraph as:

“2.1.1.5 Fiber Reinforced Concrete

In addition to the requirements specified above, fiber reinforced concrete shall conform to ASTM C1116 Type III, synthetic fiber reinforced concrete. Fiber reinforced concrete shall be free of fiber balls when delivered. If necessary provide the services of a qualified technical representative of the fiber manufacturer to instruct the concrete supplier in proper batching and mixing of materials to be provided.”

8. Page 18, Add the following new paragraphs as:

“2.1.8 Synthetic Fiber Reinforcement

Synthetic fibers shall meet the requirements of ASTM C 1116 Type III and ASTM D 7508.

Fibers shall be macro fibers and shall be 2 inches in length. Provide fibers specifically manufactured for use as concrete secondary reinforcement.

2.1.9 Fiber Reinforcing Content

The concrete for the Florida Avenue, People Avenue, Almonaster, and Lateral “D” box culverts and flumes shall contain synthetic fiber reinforcing at a minimum addition rate of 3 pounds per cubic yard.”

9. Page 18, paragraph 2.2.2. Delete this paragraph in its entirety and substitute the following

“2.2.2 Portland Cement

The minimum cement content for Florida Avenue, People Avenue, Almonaster, and Lateral “D” box culverts and flumes shall be 610 pounds per cubic yard of concrete. No substitution of pozzolan, blast furnace slag or other material will be permitted to reduce this minimum cement requirement. All other cast in place concrete can substitute pozzolan, blast furnace slag or other material to reduce the minimum cement requirement.”

10. Page 18, paragraph 2.2.6. Delete this paragraph in its entirety and substitute the following

“2.2.6 Pozzolan Content

Pozzolan shall not be used for Florida Avenue, People Avenue, Almonaster, and Lateral “D” box culverts and flumes. If pozzolan is used in other cast in place concrete, it shall range from 15 to 35 percent by weight of the total cementitious materials.”

11. Page 18, paragraph 2.2.7. Delete this paragraph in its entirety and substitute the following

“2.2.7 Ground Granulated Blast-Furnace Slag (GGBF)

GGBF shall not be used for Florida Avenue, People Avenue, Almonaster, and Lateral “D” box culverts and flumes. GGBF will be allowed in other cast in place concrete as a substitution for the cementitious materials.”

SECTION 26 00 01.00 09

1. Page 2, paragraph 1.1. Add the following subparagraph as:

“4. Install required casings utilizing an open trench method or by jack and bore as indicated on the drawings.”

2. Page 2, paragraph 1.2. Delete this paragraph in its entirety and substitute the following

“1.2 MEASUREMENT AND PAYMENT

No measurement will be made for electrical work as specified in this section. Payment will be made at the contract job price for "Electrical Work". Price and payment shall constitute full compensation for furnishing all plant, labor, materials, jacking and boring, and equipment necessary to complete the electrical work; and other incidental work; all as specified herein and as shown on the drawings.”

3. Page 4, paragraph 1.7. Add the following new paragraphs:

“SD-03 Product Data, G

Grout

The Contractor shall submit his/her grout mix design.

SD-05 Design Data; G

Jack and Bore

The Contractor shall submit his jacking and boring procedure at least six (6) weeks before jacking and boring operations begin. Lists of equipment including calibration certifications should be included.

Shoring

Shoring design and the method of installation shall be submitted as specified in paragraph

”SHORING”.”

4. Page 5. Add the following new paragraphs as:

“1.9 QUALITY CONTROL

1.9.1 General

The Contractor shall establish and maintain quality control for jacking and boring operations to assure compliance with contract requirements and maintain records of his quality control for all construction operations including but not limited to the following:

1. Equipment. Type, size, and suitability for construction of the prescribed work.

2. Installation Tolerances. Check fills to determine if installation conforms to prescribed grade and elevations.

1.9.2 Reporting

The original and two (2) copies of these records of inspections and tests, as well as the records of corrective action taken, shall be furnished the Government daily. Format of the report shall be as prescribed in Section 01 45 04.00 10, "CONTRACTOR QUALITY CONTROL."”

5. Page 6. Add the following new paragraph and subparagraphs as:

“2.3 STEEL CASING

2.3.1 Steel Pipe

ASTM A 252. All casings shall be 0.375” thick. Casing pipe shall be coated with 16 mils of coal tar epoxy. The size of the casing is shown on drawings and the thickness shall be as shown on the electrical details located in the construction drawings.

2.3.2 Grout

Grout shall conform to the following:

QUANTITY PER

MATERIAL CUBIC YARD

Portland Cement 100 lb Fly Ash 250 lb Sand 2800 lb Water 60 gal”

6. Page 9. Add the following new paragraph and subparagraphs under as:

“3.8 JACK AND BORE

3.8.1 General

Jacking and boring shall be done in accordance with Section 728 of the La. Standard Specifications for Roads and Bridges, latest edition and the following:

3.8.1.1 Excavation

The Contractor shall excavate suitable pits or trenches for the jacking or boring operations.

The pit excavations shall be protected as specified in the section entitled, Section 01 53 00.02 12, “TEMPORARY RETAINING STRUCTURES." Excavations shall be dewatered as required to provide a safe and stable work area and suitable foundation for all pipes.

3.8.1.2 Railroad Control

Pipe installed by jacking and boring under the railroad or other facilities shall not interfere in any way with the normal operation of the railroad. Pipe installed by jacking and boring under the railroad shall not weaken or damage any part of the railroad. Contractor shall submit any necessary applications to perform the jack and bore with Norfolk Southern Railroad. Any fees associated with the permitting of the Jack and Bore will be paid for by the Sewerage and Water Board. All work associated with the Jack and Bore shall be in accordance with Norfolk Southern – Special Provisions for Protection of Railway Interests.

3.8.1.3 Damaged Pipe or Casings

The Contractor shall remove and replace without additional cost to the Government, any pipe damaged during jacking or boring operations.

3.8.1.4 Tolerances

The final position of the pipe may vary only one (1) inch in forty (40) feet vertically and such variation must be regular and in only one direction. Over-excavation in excess of one (1) inch shall be pressure grouted the entire length of the installation.

3.8.1.5 Backfilling

The pits or trenches excavated to install pipe by jacking or boring shall be backfilled upon completion of bore, installation electrical conduits, and grouting in accordance with the details provided in the electrical drawings.

3.8.2 Jacking

The Contractor shall:

a. Provide heavy-duty jacks suitable for forcing the pipe through the embankment.

b. Apply even operating pressure to all jacks used.

c. Provide a suitable jacking head and suitable bracing between jacks and jacking head to assure that pressure will be applied to the pipe uniformly around the ring of the pipe.

d. Provide a suitable jacking frame or backstop.

e. Set the pipe to be jacked on guides properly braced together to support the pipe section and direct it in the proper line and grade.

f. Line up the jacking assembly with the direction and grade of the pipe.

g. Excavate embankment material just ahead of the pipe, remove excavated material through the pipe and force the pipe through the embankment with jacks into the space provided. Jack and bore operations may encounter significant amounts of crushed stone or shell during jack and bore operations.

h. Excavate beneath the pipe to conform to contour and grade for at least one-third (1/3) of its circumference.

i. A two (2) inch maximum clearance above the pipe shall taper to zero (0) at the point where the excavation conforms to the contour of the pipe.

j. Jack the pipe from the east side of Railroad tracks.

k. A cutting edge of steel plate may be installed around the head end of the pipe.

1. The cutting edge may extend a short distance beyond the end of the pipe.

2. Angles or lugs are permitted inside the cutting edge to prevent its slipping back onto the pipe.

l. Once jacking is begun, the operation must continue without interruption, insofar as practicable, to prevent the pipe from becoming firmly set in the embankment.

3.8.3 Boring

3.8.3.1 Pilot Hole Method

For the pilot hole method, the Contractor shall:

1. Bore a two (2) inch pilot hole the entire length of the crossing.

2. From the opposite end, check it for line and grade.

3. Use pilot hole as centerline for the larger diameter hole to be bored.

3.8.3.2 Auger Method

For the augur method, the Contractor shall:

1. Provide proper diameter steel encasement pipe equipped with a cutter head to mechanically perform the excavation.

2. Augers shall be of sufficient diameter to convey the excavated material to the work pit.

3.8.3.3 Boring Fluids

3.8.3.3.1 Unconsolidated Formations

In unconsolidated formations, use a gel-forming colloidal drilling fluid containing at least ten percent (10%) of high-grade, carefully processed bentonite to consolidate the cuttings of the bit, seal the hole walls, and furnish lubrication for subsequent removal of cuttings and immediate installation of the pipe.

3.8.4 Grout

The grout shall develop unconfined compressive strength of two hundred (200) pounds per square inch after twenty-eight (28) days. Contractor shall submit mix design for grout.

3.8.5 Shoring

The Contractor shall provide all necessary shoring, bracing, sheeting, underpinning, and/or supports as may be required for the jacking or boring of the pipeline as specified in Section 01 53 00.02 12 “Temporary Retaining Structures”. Additional requirements for shoring shall be in accordance with Section 25 “Excavations” of EM 385-1-1, the Corps of Engineers Safety Manual.”

SECTION 31 23 16.16 12

Page 9, paragraph 3.5.1.1. Delete this paragraph in its entirety and substitute the following

“3.5.1.1 General Fill

After a layer of general fill or backfill material has been dumped and spread, it shall be harrowed or disked, if required, to break up and blend the materials, unless harrowing or discing is performed to obtain uniform moisture distribution. Harrowing or discing shall be performed with a spring-tooth harrow or other approved harrow or disc to the depth of the uncompacted layer. I f one pass of the harrow or disc does not accomplish the breaking up and blending of the materials, additional passes of the harrow or disc may be required, but in no case will more than three passes of the harrow or disc on any one layer be required for this purpose. When the moisture content and the condition of the layer is satisfactory, the lift shall be compacted to at least 95 percent of the maximum dry density, except the upper two (2') foot in locations where temporary or permanent tracks will be constructed. The upper two foot shall be compacted to 100 percent of the maximum dry density. The maximum dry density shall be determined by the Contractor from representative samples of each type of material in accordance with ASTM D698. At least one test shall be performed for each source of material. Test results shall be furnished to the Contracting Officer prior to placing material.”

SECTION 31 32 45

Page 6, paragraph 3.2.3. Delete this paragraph in its entirety and substitute the following

“3.2.3 Soilcrete Columns

During jet grouting, the contractor shall maintain a visual observation of the flow and features of the spoil return. An unexpected reduction in spoil return shall be investigated and reported to the Contracting officer immediately. If there is negligible spoil return, the Contractor shall ensure that there is no clogging of the bore hole annulus and that the jetting parameters do not have to be revised.”

SECTION 31 62 13.20 12

Page 9. Add the following new paragraph as:

“2.1.9 Tension Anchors

Tension anchors shall be provided on all timber piles and shall meet the applicable requirements of Section 05 50 03.00 12 METAL FABRICATION, MACHINE WORK, AND

MISCELLANEOUS PROVISIONS.”

SECTION 31 62 16.00 12

1. Page 7, paragraph 2.1. Delete this paragraph in its entirety and substitute the following

“2.1 MATERIALS

Steel for H-piling shall conform to the requirements of ASTM A572/A572M, Gr50. The H-piling shall be HP 12x84. Piling shall have standard square ends, unless otherwise specified or directed. Lengths of piling shall be as shown on the drawings. Splicing of the H-piling will be allowed.”

2. Page 9, paragraph 3.2.2. Delete this paragraph in its entirety and substitute the following

“3.2.2 Length of Test Piles

Test pile lengths shall be determined by the Contractor based on the tip elevations shown on the drawings. The Contractor should provide for "heading" or "cutting off" normal after driving piles to have a level pile top to perform the pile load test. Splicing of the test piles will be allowed.”

SECTION 31 62 17.00 12

1. Page 15, paragraph 3.2.2. Delete this paragraph in its entirety and substitute the following

“3.2.2 Lengths of Test Piles

Test pile lengths shall be determined by the Contractor based on the tip elevations shown on the drawings. The Contractor should provide for "heading" or "cutting off" normal after driving piles to have a level pile top to perform the pile load test. Splicing of the test pile will be allowed.”

2. Page 17, paragraph 3.2.6. After the 1st sentence, add the following: “The Contractor will not be allowed to make more than three (3) splices per pile.”

SECTION 32 11 23.00 09

1. Page 2, paragraph 1.1. Delete this paragraph in its entirety and substitute the following

“1.1 SCOPE

The work covered by this section consists of preparing the subgrade, furnishing granular materials and labor, mixing, placing, spreading, shaping, compacting, dressing and all work incidental in connection with the installation of granular base course for concrete sidewalks, curb and gutters, driveways, concrete asphaltic concrete pavement and portland cement concrete pavement and all work incidental in connection with the installation of sub-ballast stone for Norfolk Southern Railroad tracks shown in the construction drawing.”

2. Page 2. Add the following new paragraph as:

“1.2.3 Sub-ballast Stone

Measurement for sub-ballast stone will be by the square yard (12” thick). Payment will be made at the contract unit price per square yard for “12” Sub-Ballast Stone”. Price and payment shall constitute full compensation for furnishing all plant, labor, materials, and equipment required to install, shaping compact and maintain the sub-ballast stone included in the detail at the end of this section.”

3. Page 3. Add the following new paragraphs as:

“1.7 AUTHORITY OF THE RAILROAD ENGINEER

When Railroad Engineer is referred to in this section, or in any part of the specifications, it will mean the authorized representative of the Norfolk Southern Railroad. The Railroad

Engineer, working in conjunction with the Contracting Officer and the Sewerage and Water Board, shall have final authority in all questions affecting the safety and maintenance of railroad traffic, the adequacy of foundations and the structure, which will carry the tracks. His approval shall be obtained by the Contractor for methods of construction as well as the time periods when certain portions of the work may be performed with the least interference of traffic.

1.8 NOTICE OF STARTING WORK

The Contractor shall notify the Contracting Officer in writing ten (10) days before he/she is ready to start track relocation work. The Contracting Officer will notify the Railroad Engineer of the Contractor’s request. No work shall be undertaken until insurance has been approved and until permission to begin work is received in writing from the Contracting Officer and the Railroad Engineer, after which the Contracting Officer will furnish the Contractor written permission to begin work.”

4. Page 3, paragraph 2.1. Add the following to the end of this paragraph: “Sub-ballast material shall be crushed stone meeting the requirements of LSSRB 1003.03, subsection (b).”

5. Page 4, paragraph 2.2.3. Delete this paragraph in its entirety and substitute the following paragraph and subparagraphs therefore:

“2.2.3 Approval of Materials

2.2.3.1 Granular Material

The source of materials to be used for producing aggregates for each granular course material shall be selected and reported 30 days prior to the time the material will be required in the work. The gradation, liquid limit, and plasticity index for each material shall also be submitted. Approval of sources not already approved by the Corps of Engineers will be based on an inspection. Tentative approval of the materials will be based on the test results from the aggregate source(s). Final approval of material will be based on tests for gradation, liquid limit, and plasticity index performed on samples taken from the completed and compacted course.

“2.2.3.2 Sub-ballast Stone

The Contractor shall submit a gradation curve for sub-ballast stone from the selected quarry to the Contracting Officer for approval.”

6. Page 5. Add the following new paragraphs as:

“3.6 PLACEMENT OF SUB-BALLAST STONE

After the sub-grade has been finished to proper grade and cross-section, the sub-ballast stone shall be distributed in quantities to meet the requirements of the roadbed section as shown on the plans. The sub-ballast stone shall be uniformly compacted to the density specified hereinafter, smoothed to the proper surface, sprinkled and rolled. The sub-ballast stone shall be finished to the required grade and section with a tolerance of plus or minus 0.05’ in 100’.

The roadbed surface, grade and drainage shall be inspected jointly by the Contracting Officer and Contractor and approved by the Railroad Engineer. The Contractor shall be responsible for maintaining proper line and grade of the roadbed and will make necessary repairs to the roadbed if the lines and grade are altered by him during the course of construction.

Depressions and ruts caused by the Contractor’s equipment will be filled and compacted by the Contractor. Final elevations of the roadbed will be established by Norfolk Southern.

Some adjustments to the final sub-grade may be necessary prior to installing the sub-ballast stone.

3.7 COMPACTION OF SUB-BALLAST STONE

Compaction of the sub-ballast stone shall be constructed in accordance with LSSRB 305.04, with the exception that the compacted density shall be 100%.

3.8 GRADE CONTROL

During construction, the lines and grades including crown and cross slope indicated shall be maintained by means of line and grade stakes placed by the Contractor.”

SECTION 33 11 00

1. Page 3, subparagraph 1.1(2). Change “water connections” to “water house connections”.

2. Page 3, subparagraph 1.1(3). Change both occurrences of “50-inch diameter welded water line” to “50-inch diameter welded steel water line”.

3. Page 5, paragraph 1.3, SEWERAGE AND WATER BOARD STANDARD DRAWINGS.

a. Add the following new references and note:

”2445-F-2 Rectangular Frame and Cover for Meter or Valve

5750-B-6 Details for Manhole Over Access Portal in Steel Pipe

7134-W Water Meter Service Connection for 5/8” and 1” Fixed

Meter Box

7134A-W Typical Water Service Connection

7332-W 2” and 1 ½” Meter Service Connection

11825-W-62 Breakaway 5” Fire Hydrant (set of 9 sheets)

NOTE: There are also S&WB Std. Drawings in the contract drawings.”

b. Add the attached new S&WB referenced drawings 2445-F-2, 5750-B-6, 7134-W, 7134A-W, 7332-W, and 11825-W-62 to the end o f this section.

4. Page 6, paragraph 1.3, SEWERAGE AND WATER BOARD STANDARD DRAWINGS.

Change the entry for 11897-W-62 to read as follows:

“11897-W-62 4”, 6”, 8”, and 12” R.D. Wood Valve”

5. Page 6, paragraph 1.4.2. In the 4th line from the bottom of this paragraph, delete the word “valves”.

6. Page 6, paragraph 1.4.3. In the last line on this page, delete the word “valves”.

7. Page 7, paragraph 1.4.5. Delete this paragraph in its entirety and substitute the following

“1.4.5 Water Service Connections

Measurement for water service connections will be made per each permanent one successfully completed. Payment will be made at the contract unit price per each for “Replace 1” and Smaller Water Service Connection with 1” Service - OW-2a”, (if Optional Work 2a is exercised) or “Replace 1” and Smaller Water Service Connection with 1” Service - OW-2b”, (if Optional Work 2b is exercised), or “Replace 2” Water Service Connection - OW-2b” (if Optional Work 2b is exercised). Price and Payment shall constitute full compensation for furnishing all plant, labor, materials, tools, and equipment required to complete the water service connections; including, excavation and backfill, service saddles, corporation cocks, service pipe, and other materials as specified herein and as shown on the drawings.”

8. Page 8, paragraph 1.4.9. Delete this paragraph in its entirety and substitute the following

“1.4.9 Water Valves and Manholes

Measurement of water valves and manholes shall be per each satisfactorily installed.

Payment will be made at the applicable contract unit price per each for “8” Water Valve and Manhole - OW-1” (if Optional Work 1 is exercised), “8” Water Valve and Manhole - OW-2a” (if Optional Work 2a is exercised), “8” Water Valve and Manhole - OW-2b” (if Optional Work 2b is exercised), or “16” Water Valve and Manhole - OW-1” (if Optional Work 1 is exercised). Price and payment shall constitute full compensations for furnishing all plant, labor, equipment, and materials to complete the installation of water valves and manholes, valves, excavation and backfill, and other incidental work; as specified herein and as shown on the drawings.”

9. Page 8. Add the following new paragraph as:

“1.4.13 Pipe Support Structures

Measurement for satisfactory installation of pipe support structures for water mains will be per each. Payment will be made at the contract unit price per each for "Pipe Support Structure".

Price and payment shall constitute full compensation for furnishing all plant, labor, materials and equipment for installation of the pipe support structures for water mains, including formwork, curing, testing, and other incidental work; as specified herein and as shown on the drawings. Payment for prestressed concrete piles will be paid for in accordance with Section 31 62 13.20 12 PRESTRESSED CONCRETE PILES, paragraph “Furnish and Drive Prestressed Concrete Piling”.”

10. Page 10, paragraph SD-07. Delete references to “Displacement Meters” and “Compound Type Meters”. Also delete off of the Submittal Register.

11. Page 11, paragraph 2.1.1. Delete this paragraph in its entirety and substitute the following

“2.1.1 Polyvinyl Chloride (PVC) Pipe (Water Mains Up to 12” in Diameter)

Eight inch water main shall be solid wall DR 18 PVC pipe manufactured in accordance with AWWA C900. Pipe shall be furnished in standard lengths (minimum 16 feet) with integral cast bells or couplings using elastomeric gaskets conforming to AWWA C900. All fittings for PVC pipe shall be ductile iron fittings in accordance with paragraph “Ductile Iron Fittings".”

12. Page 11, paragraph 2.1.2. Delete this paragraph in its entirety and substitute the following

“2.1.2 Ductile Iron Pipe (Water Mains Up to 12” in Diameter)

Eight inch water main crossing Florida Avenue Canal at station 71+72 shall be ductile iron mechanical joint pipe restrained with external restraints such as Megalug or approved equal in accordance with the applicable requirements of AWWA C151/A21.51 furnished with rubber gaskets conforming to AWWA C111/A21.11 and in accordance with the paragraph “Joint Restraints for Fittings”. Ductile iron pipe shall be Thickness Class 52. All ductile iron pipe shall be furnished with an asphaltic outside coating in accordance with AWWA C151/A21.51 and a cement-mortar lining and seal coating, where applicable, in accordance with AWWA C104/A21.4. All nuts and bolts for mechanical joints shall be stainless steel. All buried ductile iron pipe and fittings shall be wrapped with 8 mils polyethylene wrap in accordance with AWWA C105. This polyethylene wrap shall cover all buried ductile iron pipe and fittings, including joints, and shall be overlapped a minimum of twelve inches between sections and sealed with black polyethylene tape.”

13. Page 11, paragraph 2.1.3. Add the following sentences to the end of the paragraph:

“All buried ductile iron pipe and fittings shall be wrapped with 8 mils polyethylene wrap in accordance with AWWA C105. This polyethylene wrap shall cover all buried ductile iron pipe and fittings, including joints, and shall be overlapped a minimum of twelve inches between sections and sealed with black polyethylene tape.”

14. Page 12, paragraph 2.1.4.1. Delete this paragraph in its entirety and substitute the following

“2.1.4.1 Steel Pipe (42" Water Transmission Line)

Steel pipe for the 42" water transmission line shall conform to the applicable requirements of AWWA C200. Steel for manufactured pipe shall meet the requirements of ASTM A139/A139M, Grade B or C. Steel plate for fabricated pipe shall meet the requirements of ASTM A283/A283M, Grade C or D. The minimum steel pipe wall thickness shall be 3/8 inch. Joints shall be field welded lap joints conforming to Section 3.6.2 of AWWA C200. All welds in steel pipe, except lap welds, shall be longitudinal welds. Steel pipe shall be coated and wrapped in accordance with paragraphs "Liquid Epoxy Lining (Steel Pipe and Fittings)" and " Exterior Tape Coating (Steel Pipe and Fittings)."

15. Page 12, paragraph 2.1.4.2. In the last lines, change “Exterior Tape Coating (Steel Fittings)" to “Exterior Tape Coating (Steel Pipe and Fittings)”.

16. Page 12, subparagraph 2.1.5(4). Change “48”” to “42 inch or 50 inch”.

17. Page 13, subparagraph 2.1.5(11). Delete this subparagraph in its entirety and substitute the following therefore: ASTM A 139/A 139M: 42 inch or 50 inch I.D, Grade B or C.”

18. Page 13, subparagraph 2.1.5(16). Delete “, and as shown on the drawings”.

19. Page 13, paragraph 2.1.6. Add the following to the end of the paragraph: “All pipe joints at aerial crossings shall be Flex-Ring Class 56 by American D.I.P. or approved equal.”

20. Page 14, paragraph 2.1.8. In the last sentence, change “Exterior Tape Coating (Steel Fittings)” to read “Exterior Tape Coating (Steel Pipe and Steel Fittings).”

21. Page 15, paragraph 2.2.3. Change the last sentence to read: “Field joints shall be wrapped, after installation and welding, in accordance with AWWA C214 and AWWA C209 as applicable.”

22. Page 15, paragraph 2.3. Delete this paragraph in its entirety and substitute the following

“2.3 VALVES

Valves 4” to 12” in size shall be S&WB R.D. Wood Gate Valves as shown on S&WB Drawing No. 11897-W-62, or American R/D double disc gate valve, or approved equal.

Valves shall have a 2” operating nut and adjustable packing gland and shall be NRS. Valves shall turn clockwise to open. All valves shall be installed in manholes. Valves larger than 12 inches shall be American R/D, Series 50 rotating disc gate valves, or approved equal. Valves larger than 12 inches shall have a 3” bypass valve with a 2” operating nut. Valves shall turn clockwise to open and have a 2” operating nut and adjustable packing gland. All valves shall be NRS.”

23. Page 16, paragraph 2.6. Delete this paragraph in its entirety and substitute the following

“2.6 WELDED STEEL ACCESS MANHOLE

At the locations shown on the drawings, the Contractor shall furnish and install a welded steel access manhole of the size indicated, on the fifty (50”) inch and forty-two (42”) inch steel water main. Welded steel manholes shall conform to S&WB Dwg. No. 6220-B-6. A manhole in accordance with S&WB Drawing No. 5750-B-6 shall be installed above the steel access manhole.”

24. Page 16, paragraph 2.7. Delete this paragraph in its entirety and substitute the following

“2.7 AUTOMATIC AIR RELEASE VALVE

Automatic air release valves shall be A.R.I. 2-inch D-040 Combination Air Valve. The air release valve shall be installed on a 2” corporation cock, to be provided by the S&WB and installed by the Contractor.”

25. Page 16. Add the following new paragraphs as:

“2.8 FIRE HYDRANTS

Fire hydrants shall be 5” breakaway fire hydrants with bronze trim, in accordance with S&WB Dwg. No. 11825-W-62, included at the end of this section, American Darling Fire Hydrant B- 62-B, Mueller Hydrant A 473, or the 5” New Orleans Hybrid-2 Hydrant by Kennedy Valve, or approved equal. Installation of the fire hydrant, 6” ductile iron fire hydrant lead, restraints, and blocking shall be in accordance with S&WB Dwg. No. 6179-F-2 as shown on the drawings. Nuts and bolts shall be stainless steel. The ductile iron pipe shall be restrained mechanical joint pipe and meet all the requirements of this section.

2.9 WATER HOUSE CONNECTIONS

2.9.1 Piping Materials

Pipe for water house connections shall be polyethylene PE 3406 or PE 3408, and conform to ASTM - 2737 and ASTM D-1248 for Type III or IV grade P-34 Class "C" for tubing sizes, for tubing 1” to 2 inches. PVC pipe, in accordance with the provisions of this section, shall be used for water house connections greater than 2 inches. See drawing S&WB DWG No. 7134- W and 7332-W.

2.9.2 Service Saddles

Service saddles for making house connections shall be suitable to use with PVC pipe, such as Clow No. 3407 (all bronze) or JCM 407 Series (stainless steel) with two (2) bolts, or J. Jones J-966 (all bronze), or an approved equal. The Contractor shall use only a shell-type hole cutter that will retain the coupon or chips as is designed to accommodate walls equal to pressure class 200.”

26. Page 17, subparagraph 3.1.1(6). Delete the last sentence in the paragraph and substitute the following therefore: “Interruption of service shall not exceed 12 hours for the 12 inch diameter and smaller water main relocations and 24 hours for the 42-inch and 50-inch diameter water main relocations.”

27. Page 20, paragraph 3.1.8.5. Delete the 1st sentence in its entirety and substitute the following therefore: “After installation, joints shall be field welded on the interior and exterior of the pipe and the welded field joints shall be field lined on the interior of the pipe with liquid epoxy in accordance with AWWA C200.”

28. Page 20, paragraph 3.1.9. Delete the 1st sentence in its entirety and substitute the following therefore: “All house service connections shall be replaced with new polyethylene pipe and fittings from the main to the meter in accordance with S&WB Dwg. No. 7134 or S&WB Dwg.

No. 7134A-W.”

29. Page 22, paragraph 3.2.4. In the 12th line, delete the word “discernible”.

30. Page 24. Add the following new paragraphs as:

“3.5 HOUSE CONNECTIONS

3.5.1 Locations and Replacements

A list of locations of water house service connections is shown on the drawings. The locations of service connections may vary and the Contractor shall verify, locate, and protect them from damage. All existing water house service connections that are connected to water lines being replaced within the project area shall be replaced with new polyethylene pipe and fittings from the new main to the meter (see S&WB Drawing No. 7134-W, 7134A-W, and 7332-W). There shall be no splicing allowed of new or existing water house service connections.

3.5.2 Existing 5/8”, ¾” and 1” Replacements

Existing 5/8”, ¾” and 1” water house service connections shall be replaced with a new 1” water service connection and reduced at the meter, if necessary.”

SECTION 33 30 00

1. Page 4, paragraph 1.2.4. Delete this paragraph in its entirety and substitute the following

“1.2.4 Remove and Replace Sewer House Services

Measurement for the removal and replacement of the existing sewer house services will be per each house service successfully completed. Payment will be made at the contract unit price per each for “Remove and Replace Sewer House Services - OW-2a” (if Optional Work 2a is exercised) or “Remove and Replace Sewer House Services - OW-2b” (if Optional Work 2b is exercised). Price and payment shall constitute full compensation for furnishing all plant, labor, equipment and materials to complete the sewer house service installations; including excavation, installation of six inch (6”) diameter PVC pipe from the property line to the new sewer line, fittings, backfilling and tie-ins to complete the removals and replacements; and all other incidental work thereto; all as specified herein and as shown on the drawings.”

2. Page 5, paragraph 1.3, SEWERAGE AND WATER BOARD STANDARD DRAWINGS

a. Remove the following drawing references:

“6179-F-2 Hydrant Setting, Details of Valve Box and Cover and

Valve Manhole

6312-E5 Typical Sewer Service Connection For Sewer Main Less

Than Or Equal To 8' Deep

7260-SWD Specifications for Installation of Sewer, Drain, and Water

Mains”

b. Add the following drawing references and note:

“D-1359 Detail of Steps for Concrete and Brick Manholes

6312-E5-A Typical Sewer Service Connection For Sewer Main Less

Than Or Equal To 8' Deep

6312-E5-B Typical Sewer Service Connection for Sewer Main Greater

Than 8 ft. Deep

6178-B-6A Typical Pre-Cast Concrete Manhole

NOTE: There are also S&WB Std. Drawings in the contract drawings.”

3. Page 6, paragraphs 1.4.1 and 1.4.2. Delete these paragraphs in their entirety and substitute the following therefore:

“1.4.1 Sanitary Sewer Gravity Pipeline

Provide mains 8 inch to 30 inch lines of polyvinyl chloride (PVC) plastic pipe. Provide 6 inch sewer house services of polyvinyl chloride (PVC) plastic pipe. Provide new sanitary gravity sewer piping and appurtenances. Provide each system complete and ready for operation.

1.4.2 General Requirements

The construction required herein shall include appurtenant structures and installing sewer lines at the locations shown on the drawings, including appropriate sewer house services.

Backfilling shall be accomplished after inspection by the Contracting Officer. Before, during, and after installation, plastic pipe and fittings shall be protected from any environment that would result in damage or deterioration to the material. Keep a copy of the manufacturer’s instructions available at the construction site at all times and shall follow these instructions unless directed otherwise by the Contracting Officer. Lubricants, elastomeric gaskets, and any similar materials required to install the plastic pipe shall be stored in accordance with the manufacturer’s recommendations and shall be discarded if the storage period exceeds the recommended shelf life.”

4. Page 10, paragraph 2.1.1.1. Delete this paragraph in its entirety and substitute the following

“2.1.1.1 Ductile Iron Gravity Pipe and Fittings

Ductile iron pipe shall conform to AWWA C150/A21.50 and AWWA C151/A21.51, Thickness Class 52. Fittings shall conform to AWWA C110/A21.10 or AWWA C153/A21.53.

Fittings with push-on joint ends shall conform to the same requirements as fittings with mechanical-joint ends, except that the bell design shall be modified, as approved by the Contracting Officer, for push-on joint. Fittings shall have strength at least equivalent to that of the pipe. Ends of pipe and fittings shall be suitable for the joints specified hereinafter. Pipe and fittings shall have interior lining of Protecto 401 ceramic epoxy as manufactured by Induron, or approved equal. All ductile iron pipe shall be furnished with an asphaltic outside coating in accordance with AWWA C151/A21.51. All buried ductile iron pipe and fittings shall be wrapped with 8 mils polyethylene wrap in accordance with AWWA C105. This polyethylene wrap shall cover all buried ductile iron pipe and fittings, including joints, and shall be overlapped a minimum of twelve inches between sections and sealed with black polyethylene tape. Ductile iron pipe and fittings for siphon applications shall have joints restrained with EBAA restrained joints, Megalug series 1100, or approved equal. All bolts and nuts shall be of stainless steel.”

5. Page 10, paragraph 2.1.1.2. Delete this paragraph in its entirety and substitute the following

“2.1.1.2 Ductile Iron Gravity Joints and Jointing Materials

Pipe and fittings shall have mechanical joints. Mechanical joint requirements for pipe ends, glands, nuts and bolts, and gaskets shall conform to AWWA C111/A21.1, except that nuts and bolts shall be stainless steel.”

6. Page 10, paragraph 2.1.2.1. In the 5th line, delete the words “truss and”.

7. Page 10. Add the following new paragraph as:

“2.1.2.4 Sewer House Connections

Pipe and fittings for sewer house connections shall be the same as indicated herein for PVC main sewer lines.”

8. Page 11, paragraph 2.1.3.1. Delete the 1st sentence in its entirety and substitute the following therefore: “The straight portions of the sewer siphon shall be solid wall DR 25 PVC pipe, Class 150, with ClOD, manufactured in accordance with AWWA C 905.”

9. Page 11, paragraph 2.1.3.3. Add the new subparagraph as follows:

“(4) Nuts and bolts for fittings and restraints shall be stainless steel.”

10. Page 12, paragraph 2.3.1.1. Change “6178-B-6A, and 7260-SWD” to “and 6178-B-6A”.

11. Page 12, paragraph 2.3.1.3. Change “6179-F-2” to “6178-B-6”.

12. Page 12, paragraph 2.3.1.4. Add the following after the 1st sentence: “Interior mortar shall be mixed with Conshield or approved equal in accordance with manufacturer’s recommendations to prevent deterioration of the mortar.”

13. Page 12, paragraph 2.3.1.5. Change “6071-B-6” to “D-1359”, and change “6178-B-6A” to “D-1359”.

14 Page 12, paragraph 2.3.1.6. Change “6178-B-6” to “3143-E-1”.

15. Page 12. Add the following new paragraphs and subparagraphs as:

“2.3.1.7 Precast Concrete Manholes

In lieu of brick, the sewer manholes can be constructed of precast concrete. Precast concrete manholes shall be in accordance with project reference drawing (S&WB DWG No. 6178-B- 6A). Detail drawings of the precast concrete manhole and reinforcing steel shall be submitted to the Contracting Officer for approval. For precast concrete sewer manholes, ConShield admixture or approved equal shall be added to the concrete in accordance with the manufacturer's recommendations to prevent deterioration of the concrete.

2.3.1.8 Backfill

Backfill for sewer structures/manholes/sewer lines shall be compacted sand. The sand shall be granular material conforming to the following gradation:

U.S. Sieve Percent Passing No. 4 100 No. 40 65-100 No. 200 0-10

2.3.1.9 Reinforcement

Reinforcing steel shall be in accordance with Section 03210 REINFORCING STEEL.

2.3.1.10 Bedding for Sewer Manholes

Bedding for sewer manholes shall be crushed stone from the sources listed in Section 01100, GENERAL PROVISIONS, paragraph entitled "STONE SOURCES" shall consist of 100 percent stone and shall meet the following requirements when tested in accordance with ASTM C 136 and ASTM C 117, Procedure B:

U.S. Sieve Percent Passing

1-1/2” 100 1” 90-100

3/4” 70-100 No. 4 35-65

No. 40 12-32 No. 200 5-12

The fraction of material passing the No. 40 sieve shall conform to the following requirements when tested in accordance with ASTM D 4318:

Liquid Limit (Max.) 25 Plasticity Index (Max.) 4

Crushed stone shall show an abrasion loss of not more than forty percent (40%) when tested in accordance with ASTM C 131 and a soundness loss of not more than 15 percent when subjected to five (5) cycles of the magnesium sulfate soundness test in accordance with ASTM C 88.

2.3.2 Sewer Lines

2.3.2.1 Timber

Timber foundation shall be rough cut No. 2 common yellow pine, oak, gum or equal and suitable for the purpose and shall be installed for all pipe bedding. Wood shall be Category UC4A as specified by AWPA.

2.3.2.2 Bedding for Sewer Lines

Bedding for sewer lines up to 24" diameter shall be 100 percent crushed aggregate from the stone source list specified in Section 01100 GENERAL PROVISIONS, and shall conform to ASTM D 2321, Class 1 angular material.