509_B__misscellanious_piping_replace_amended.pdf

USNS JOSHUA HUMPHREYS

T-AO 188

MACHINERY, AUXILIARY N32205-17-R-

3 January 2017

ITEM NO. 509 CATEGORY “B” MSC/MCT

MISCELLANEOUS PIPING; REPLACE

1.0 ABSTRACT

1.1 Replace deteriorated piping throughout the ship.

2.0 REFERENCES/ENCLOSURES

2.1 References: None

2.2 Enclosures: None.

3.0 ITEM LOCATION/DESCRIPTION/QUANTITY

3.1 Location/Quantity:

3.1.1 Location: Throughout the ship.

3.1.2 Quantity/Description:

3.1.2.1 Sixty (60) linear feet of eight inch Schedule 80 steel pipe.

3.1.2.2 Eight (8) eight inch flanges four bolt 150# flat face, socket welded.

3.1.2.3 Four (4) eight inch 90 degree elbows.

3.1.2.4 Eighty (80) linear feet of six inch Schedule 80 steel pipe.

3.1.2.5 Eight (8) six inch flanges four bolt 150# flat face, socket welded.

3.1.2.6 Four (4) six inch 90 degree elbows.

3.1.2.7 Eighty (80) linear feet of five inch Schedule 80 steel pipe.

3.1.2.8 Eight (8) five inch flanges four bolt 150# flat face, socket welded.

3.1.2.9 Four (4) five inch 90 degree elbows.

3.1.2.10 Eighty (80) linear feet of three inch Schedule 40 steel pipe.

MACHINERY, AUXILIARY N32205-17-R-

3.1.2.11 Eight (8) three inch flanges four bolt 150# flat face, socket welded.

3.1.2.12 Four (4) three inch 90 degree elbows.

3.1.2.13 Eighty (80) linear feet of two and a half inch Schedule 40 steel pipe.

3.1.2.14 Eight (8) two and a half inch flanges four bolt 150# flat face, socket welded.

3.1.2.15 Four (4) two and a half inch 90 degree elbows.

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES

4.1 None.

5.0 NOTES

5.1 All welding shall be accomplished shore side utilizing existing systems piping as a template.

5.2 The estimating of this work shall include the bilge area and open areas of the ship.

Repairs made behind false overheads or joiner bulkheads will be addressed by an

RFP for the access part of the repair.

6.0 QUALITY ASSURANCE REQUIREMENTS

6.1 All work shall be performed to the satisfaction of the ABS, USCG, MSC Port

Engineer and the Chief Engineer.

6.2 All piping and flanges shall be installed in accordance with applicable rules and regulations of ABS and USCG.

7.0 STATEMENT OF WORK REQUIRED

MACHINERY, AUXILIARY N32205-17-R-

7.1 Crop out and renew damaged or deteriorated piping in designated areas of the vessel.

Install new piping in way of removals, templating sizes and shapes from existing configuration.

7.1.1 Provide a unit price per linear feet for eight inch pipe listed in 3.1.2 to remove existing and replace with new.

7.1.2 Provide a unit price per eight inch flange listed in 3.1.2 to remove existing and replace with new.

7.1.3 Provide a unit price per eight inch elbow listed in 3.1.2 to remove existing

7.1.4 Provide a unit price per linear feet for six inch pipe listed in 3.1.2 to remove existing and replace with new.

7.1.5 Provide a unit price per six inch flange listed in 3.1.2 to remove existing and replace with new.

7.1.6 Provide a unit price per six inch elbow listed in 3.1.2 to remove existing and

7.1.7 Provide a unit price per linear feet for five inch pipe listed in 3.1.2 to remove

7.1.8 Provide a unit price per five inch flange listed in 3.1.2 to remove existing

7.1.9 Provide a unit price per five inch elbow listed in 3.1.2 to remove existing and

7.1.10 Provide a unit price per linear feet for three inch pipe listed in 3.1.2 to remove existing and replace with new.

7.1.11 Provide a unit price per three inch flange listed in 3.1.2 to remove existing

MACHINERY, AUXILIARY N32205-17-R-

7.1.12 Provide a unit price per three inch elbow listed in 3.1.2 to remove existing

7.1.13 Provide a unit price per linear feet for two and a half inch pipe listed in

3.1.2 to remove existing and replace with new.

7.1.14 Provide a unit price per two and a half inch flange listed in 3.1.2 to remove

7.1.15 Provide a unit price per two and a half inch elbow listed in 3.1.2 to remove

7.2 Using existing piping as a template target and template new piping to fit existing piping run.

7.2.1 Contractor may target in place utilizing a tac weld or by match marking all fitting.

7.2.2 In conjunction with ship's force, isolate and red tag out the affected piping systems and pumps prior to commencing repairs.

7.2.3 Drain the affected sections of the piping systems and remove and dispose of all liquids in accordance with all Federal, State, and Local rules and regulations.

7.2.4 Any shipboard welding shall require a gas free certificate by a certified person, it is the responsibility of the contractor to provide the gas free certificate.

7.3 Provide and weld all piping and fittings identified in paragraph 3.1.2 in accordance with ABS and USCG rules and regulations.

7.3.1 Ensure all piping is targeted correctly.

7.2.2 Conduct a hydrostatic test of the piping sections in the presence of the Port

Engineer, Chief Engineer and ABS to 115 psi for 10 minutes. Allowable leakage: none.

7.4 All fasteners shall be coated with "Anti-Seize" compound prior to installation.

MACHINERY, AUXILIARY N32205-17-R-

7.5 After installation conduct an operational test of the repaired piping and disturbed flanges in conjunction with ship’s force and prove tight to the satisfaction of the MSC Port

Engineer and the Chief Engineer.

7.6 All dirt and debris shall be removed from the ship on a daily basis and the area left clean and in good order.

7.7 Mechanically clean, prime, and paint all new and disturbed areas to match adjacent surfaces.

7.8 Manufacturer's Representative: None.

7.9 Preparation of Drawings: None.

8.0 GENERAL REQUIREMENTS

8.1 None.