Statement of Work-(50584031)-Rotary and Shot Peening.pdf

Statement of Work 50584031

1. Background:

1.1. PNSY has the requirement to peen the surfaces of Shafts. All work is to be performed in accordance with Mil-S-13165C, Shot Peening of Metal Parts or Mil-S-81841 Rotary Flap Peening of Metal Parts. No substitution of peening specification is authorized.

2. References:

(a) Mil-S-13165C Shot Peening of Metal Parts

(b) Mil-R-81841 Rotary Flap Peening of Metal Parts

(c) Mil-W-81840 Wheels, Peening, Rotary Flap

(d) AMS 2431/7 Peening Media Ceramic Shot

3. Work Requirements:

3.1. Vendor is to provide proof of experience performing non-shipboard shot and rotary peening on Inconel 625 clad shafts or similar large radiused surface areas. Proof is to consist of either class of shaft peened or generic component identification and surface area size.

3.2. Vendor is to provide proof of experience performing non-shipboard localized flapper peening repairs. Proof is to consist of either class of shaft peened or generic component identification and surface area size.

3.3. NAVSEANOTE 5000 vendor qualification is required to perform work on SUBSAFE assets.

However, Per NAVSEAINST 4855.34 (current Rev C), Non-NAVSEANOTE 5000 qualified vendors may still be eligible to perform SUBSAFE work under Government Oversight of the Qualified Activity (Portsmouth Naval Shipyard) providing that PNSY Code 260.9 Engineering has reviewed the vendor’s work experience and capabilities. During vendor services, the Qualified Activity shall maintain custody of the SUBSAFE asset, review and maintain all applicable OQE, and ensure that the services performed satisfy the program requirements.

3.4. For work performed IAW reference (a), paragraph 6.2., the following acquisition requirements are outlined:

a. Specification to be used is reference (a).

b. The issue of DODISS (Department of Defense Index of Specifications and Standards) is to be cited in the solicitation, and if required, the specific issue of individual document referenced.

c. Ceramic shot is to be used when peening per reference (a). Shot must adhere to reference (d) specifications.

d. Shot size to be 0.033 inches nominal

e. Automatic shot peening is required for use with reference (a). The peening gun shall not be manually manipulated and will comply with the requirements of reference (a), paragraph 3.2.1.

f. PNSY will be responsible for the surface cleaning prior to peening.

g. The locations of area to be peened will be provided by PNSY and masked off on the shaft before the vendor has arrived on site. Peening surface area will be 145 ft2.

Peening area is to include the entire circumference and any curvature to achieve 100 percent coverage.

h. NDT will be performed by PNSY after peening operations, if required.

i. No externally applied forces are permissible during peening.

j. Peening intensity to be 0.008-0.012 A.

k. No over-performance of peening coverage is required.

l. The vendor may use either coverage method as described in reference (a), paragraph

6.11.(a). or 6.11.(b) when peening IAW reference (a).

m. Method of coverage verification required.

n. Shot size limitations are not applicable for obstructed areas.

o. A specific cleaning procedure is not applicable.

p. Protection of peened surface from corrosion is not applicable.

3.5. For work performed IAW reference (b), the following acquisition requirements are outlined:

a. Specifications to be used are references (b).

b. The issue of DODISS (Department of Defense Index of Specifications and Standards) is to be cited in the solicitation, and if required, the specific issue of individual document referenced.

c. Tungsten Carbide, Type II, flapper wheels are to be used when peening per reference (b). Flapper wheels must adhere to reference (c) specifications.

d. Shot size to be 0.033 nominal inches diameter nominal.

e. PNSY will be responsible for the surface cleaning prior to peening.

f. The locations of the area to be peened will be provided by PNSY and masked off on the shaft before the vendor has arrived on site. The total area to be peened is approximately 300 in2.

g. NDT will be performed by PNSY after peening operations, if required.

h. No externally applied forces are permissible during peening.

i. Peening intensity to be 0.008-0.012 A.

j. No over performance of peening coverage is required.

k. Method of coverage verification required.

l. Shot size limitations are not applicable for obstructed areas.

m. A specific cleaning procedure is not applicable.

n. Protection of peened surface from corrosion is not applicable.

4. Quality Assurance Provisions:

4.1. The vendor is to provide the following quality assurance (QA) in a Certification of Peening. This certification will be provided to PNSY Engineering (Code 260.9) for review upon completion:

a. Shaft serial number.

b. Date peening was performed.

c. Peening standard used for work performed (reference (a) or (b).

d. Shot peening machine used (if applicable).

e. Machine settings used during peening (if applicable).

f. Shot/flapper size used.

g. Type of shot/flapper used.

h. Hardness of shot used (if applicable).

i. Standoff distance of nozzle from shaft (if applicable).

j. Length of exposure time to shot stream.

k. Shot flow rate (if applicable).

l. Air pressure used (if applicable).

m. Specified peening intensity.

n. Actual peening intensity by Almen test strip identification numbers per reference (a) paragraph 4.2.4. or paragraph 4.2.2. of reference (b).

o. Saturation curves per reference (a), paragraph 4.2.3. with supporting test records per paragraphs 4.2.5. (a) thru (i), if reference (a) is used.

p. Mounting equipment used (if peening per reference (b)).

q. Percent coverage.

r. Specification of peening method used for each area peened.

4.2. For each lot of peening media used, the vendor shall provide a report per reference (d). The report shall contain the following (if applicable):

a. Purchase order number of the media

b. Lot number

c. Code letters

d. Size

e. Quantity

f. Sampling per paragraph 4 of reference (d)

g. Media size distribution

h. Media shape

i. Density

j. Composition

k. Magnetic particles

l. Hardness

m. Specific gravity

4.3. Vendor to provide all Almen strips used to determine actual intensity. The strips shall be numbered to identify an individual test strip to a specific Certification of Shot Peening document.

4.4. Vendor to provide peening media/flapper wheels with certification reports that meet the requirements of paragraph 3.1 of reference (a) and paragraph 4.4.2 of reference (c).

4.5. For recycled media, vendor to provide OQE that the required maintenance has been performed and accomplished per reference (a), paragraph 3.1., if applicable.

4.6. Vendor to provide OQE indicating serial number and calibration date of Almen strip measuring equipment.

4.7. Vendor to provide a process control procedure after contract award for review by PNSY. The procedure will be provided a minimum of ten (10) days after the award of the contract for review by PNSY Code 260.9 Engineering.

4.8. Vendor to provide a means of shot media containment to avoid disruption to adjacent shop operations.

4.9. PNSY to provide engineering oversight as part of objective quality assurance for work performed.

5. Government Furnished Items:

a. Shaft to be peened

b. Electrical power (110 V/220 V)

c. Service air (min 100 psi)

d. Rollers to rotate shaft during peening

e. Personnel for observation of shaft roller operations while shot peening is being accomplished to ensure proper handling of the shaft and the rollers.

f. Masking of shaft areas to be peened and protective covering over surfaces not to be peened.

6. Hazardous Energy Controls:

a) Work Site Operational Safety Environment – Contractors and non- PNS Government Agencies (NPGAs) shall be responsible to read and understand the requirements of OSHECM Chapter 250 and can see an electronic copy of OSHECM Chapter 250 (latest revision) by using the following web site:

http://www.navsea.navy.mil/shipyards/norfolk/Shared%20Documents/Chapter%20250.pdf.

b) The Contractor shall provide and require their personnel to wear personal protection equipment (PPE) (e.g., hearing protection, eye protection, gloves, steel-toed shoes or boots, aprons, masks, face shields, reflective vests, safety harnesses for fall protection in accordance with OSHA CFR 1926 (construction) and CFR 1915 (shipyard) standards. The contractor is required to follow all appropriate lockout/tag out requirements as specified by OSHECM Chapter 250 and CFR 1915.89.

Contractor shall conform to all applicable safety and occupational health standards published in the Federal Register or any other Occupational Safety and Health Administration (OSHA) Public

Laws and ensure employees observe safety, traffic control, and fire prevention requirements in effect at the site.

7. Security:

a) All personnel assigned by the contractor to perform work or site visits must be US citizens.

Contractor will be required to submit a visit request listing information of personnel needing access aboard Portsmouth Naval Shipyard. Visit request must include the full name of the persons, nationality, birth date and Social Security Number. Visit request may be in the form of a letter on company stationery with signature from company security manager or authorized company representative and faxed to the Pass and ID office at (207) 438-2669. Company visit requests shall be submitted annually and as often as necessary to update employees of the company who need continued access to the Shipyard. Criminal history and/or falsification of information provided by an employee of the company may be subject to denial for unescorted access up to and including general access to the Shipyard. All contractor vehicles are subject to inspection prior to allowing entry onto this installation.

b) Building 300 is within the Controlled Industrial Area (CIA) of the Portsmouth Naval Shipyard.

Additionally, Building 300 is a security island. No person not known to be an American citizen of good standing and repute shall be eligible for access to Portsmouth Naval Shipyard. Proof of citizenship is required.

c) Personnel must provide two forms of ID. One of which must prove U.S. citizenship in order to access the NAVSEA Controlled Industrial Area (CIA) or any other NAVSEA spaces. Documents: valid driver’s license, passport, birth certificate or government CAC. All documents must be active. No expired documents will be accepted.

d) If employees do not have a government issued CAC which allow access to the base, a SECNAV

5512/1 will need to be filled out and brought with them in order for the individual to be vetted and granted DBIDS (Defense Biometric Identification System pass or credential to allow access to the base.