RFQ Attachment (1) Statement of Work w_Enclosure.pdf

PDF 549 KB Posted Feb 19, 2026

Attached to: Procure Hopper X71 for SRF-JRMC Yokosuka
Solicitation number: N6264926QB020
Issued by: Department of the Navy Naval Supply Systems Command

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Written by GovTribe AI · Mar 7, 2026

This is a Statement of Work (SOW) for procuring one hopper with skid mounts for the X-71 Paint Shop at US Naval Base Yokosuka's Ship Repair Facility and Japan Regional Maintenance Center (SRF-JRMC), dated 04 December 2025. The hopper will be used for onboard and in-shop sandblasting work to remove rust and paint. The contractor must provide a manufacturer's current production model with only minor alterations permitted; all materials must be new. The hopper must accommodate garnet grid (2.3 ton/m³ bulk density) and copper grid (1.8 ton/m³ bulk density) blasting media, with a minimum capacity of 2,000 liters and total weight not exceeding 2,646 lbs (1,200 kg) excluding blasting media. Key specifications include corrosion-resistant painted ferrous parts, drainable hollow spaces, a removable lid with two handles, four lifting padeyes welded to the skid mount with Safety Working Load of at least 50% of total weight including media, and four forklift claw brackets. The hopper must include a manual cut gate at the bottom chute outlet and comply with OSHA standards (29 CFR 1910.147 and 1910.212).

The contractor must submit pre-fabrication approval documents within twenty-five working days after contract award, including delivery specifications with sketches, dimensions, connections, functions, and accessories lists. Pre-shipping approval documents must be submitted more than ten working days before shipping, including manufacturer inspection results, packing information, and lifting procedures. The contractor must conduct quality assurance inspection at their facility with optional government witness, followed by acceptance testing at the installation site at SRF-JRMC at least ten working days after scheduling. The contractor must provide operational and maintenance training in Japanese for six operators with all training aids supplied at no additional cost, also in Japanese. Completion documents due within twenty-five working days after training include instruction manuals, spare parts catalogs, and acceptance test results in Japanese and English. The contractor must furnish all labor, materials, equipment, transportation, and supervision for installation, with government providing forklift service for unloading and setup.

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Other files

File	Type	Posted
Solicitation Amendment N6264926QB0200001.pdf	PDF	Feb 24, 2026
RFQ - N6264926QB020.pdf	PDF	Feb 19, 2026

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04 Dec 2025

Statement of Work (SOW)

PROCURE HOPPER, X71

1. General

a. The contractor shall provide one (1) hopper with skid mounts, hereinafter referred to as

“the hopper” to X-71 Paint Shop at Bldg. 2078, Ship Repair Facility and Japan Regional

Maintenance Center (SRF-JRMC), US Naval Base Yokosuka.

b. The hopper shall be used for onboard and in-shop sandblasting work to remove rust and paint.

c. The hopper shall be one of the manufacturer's current production models which, on the date this solicitation is issued, has been designed, engineered, and sold, or is being offered for sale through advertisements or manufacturer's published catalogs or brochures. Minor alterations to current production models to meet specifications listed are acceptable. Documentation illustrating all alterations to current production models must be provided with the contractor’s proposal. Products such as a prototype unit, reproduction model, or experimental units do not qualify as meeting these requirements. And all material used in the construction shall be new.

d. Unless otherwise specified herein, the contractor shall furnish all labor, materials, equipment, transportation, and supervision necessary to set the hopper at the site.

2. Reference

The contractor shall refer to the following standard documents to accomplish the work to the extent specified herein.

(1) 29 CFR 1910.147 - Occupational Safety and Health Standards Subpart J General

Environmental Control

(2) 29 CFR 1910.212 - Occupational Safety and Health Standards Subpart O General requirements for all machines

3. Enclosure

(1) Detail for hopper

(2) Bracket for hopper

4. Minimum requirement

The contractor shall provide the hopper specified below.

a. Applicable blasting media is as follows.

(1) Garnet grid (Bulk density: 2.3ton/m³ (143.58lbs/ft³))

(2) Copper grid (Bulk density: 1.8ton/m³ (112.37lbs/ft³))

b. All exposed ferrous parts shall be corrosion-resistant painted.

c. Hollow spaces where rainwater can collect shall be drainable.

d. Tapping screws shall not be used for members that are disassembled in maintenance.

e. The lid which has two handles shall be installed to the hopper top opening (See

Enclosure (1)). The lid shall be removable and not fall into the top opening.

f. The hopper shall be mounted on the blast machine with skid mount that Government owns, the blast machine and the hopper can be used and divided.

g. Any note on equipment: Japanese only, or Japanese and English

h. Safety sticker (Written in Japanese or English language, or only pictogram)

i. Total weight (except blasting media weight): 2,646lbs (1,200kg) or less

j. Blasting media capacity: Minimum 2,000littles

k. External dimension (except padeyes) of the hopper shall be Enclosure (1).

l. The four (4) lifting padeyes shall be installed on top skid mount surface of the hopper

(See Enclosure (1)) as follows.

(1) The lifting padeyes shall be firmly welded to the hopper.

(2) Safety Working Load (SWL) per one (1) lifting padeye shall be 50% of the total weight (including blasting media weight, See 4.a.(1) for the bulk density) or greater.

The formula is as follows.

SWL≧(Total weight (4.i)+Blasting media capacity (4.j)×Garnet grid Bulk density

(4.a.(1)))/2

(3) The lifting padeyes shall be painted in yellow.

(4) SWL (unit: lbs) and the sign of “LIFT HERE” shall be visibly painted or stenciled.

m. The four (4) brackets for forklift claw shall be installed to each side of the hopper chute

(See Enclosure (1)) as follows.

(1) The brackets shall be firmly welded to the hopper chute.

(2) SWL of each bracket shall be designed so that they can be transported by a forklift with blasting media in the hopper.

n. The manual cut gate and handle shall be installed to bottom of the hopper chute (See

Enclosure (1)).

5. Document submission

The contractor shall submit the documents listed in Submittals to the Technical Point of

Contact (TPOC) by the deadline. Government will accept or return with comments within ten

(10) working days after receipt from the contractor. The contractor shall not proceed the work before Government approval.

6. Quality assurance inspection (origin)

The quality assurance inspection will be conducted by the contractor to ensure the equipment functions properly at the contractor’s facility. Government has an option of witness the inspection at the contractor’s site.

7. Installation

a. Be staffed by at least one (1) supervisor on site.

b. Government will provide forklift service for unloading and set up.

8. Acceptance test (after installation)

The acceptance test shall be conducted by the contractor to ensure the equipment functions properly at the delivery site, SRF-JRMC, Yokosuka. The acceptance test will be witnessed by

Government. This testing will be scheduled at least ten (10) working days in advance.

Government will provide the materials for the test.

9. Training

The contractor shall provide operational and maintenance training in Japanese for six (6) operators at the SRF-JRMC, Yokosuka work site. All printed training aids shall be supplied at no additional cost to the government and be in the Japanese language.

10. General Safety

All machine parts, components, mechanisms, and assemblies furnished on the unit shall comply with all specific requirements of “OSHA Safety and Health Standard (29CFR1910), General Industry. (Reference (1), (2))

11. TPOC: TBD

SRF-JRMC Yokosuka, Code 981

Submittals (1/3)

a. Pre-Fabrication Approval Documents

*: The contractor shall submit them by either email, Compact Disc (CD) / Digital Video

Disc (DVD), or paper documents.

**: The contractor can submit catalog materials for the approval with TPOC’s consent.

***: If it’s needed.

b. Blank Form

*: The contractor shall submit them by either email, CD / DVD, or paper documents.

Nomenclature Language Format *Qty. Deadline

(1)

Delivery specification

(It shall include following (a) through (f).)

(a) Sketch for the system / equipment configuration

(b) Dimension for each component

(d) System / Equipment function and capacity

(e) Accessories list

***(f) Other requirement for the system

Japanese or

English pdf or dwg 1 Within twenty-five

(25) working days after contract award

(2) Work schedule

Japanese or

English pdf 1

Nomenclature Language Format *Qty. Deadline

(1) Quality assurance inspection data

Japanese or

English pdf 1 More than twenty (20) working days before the inspection

(2) Acceptance test data

Japanese or

English pdf 1

Submittals (2/3)

c. Pre-Shipping Approval Documents

*: The contractor shall submit them by either email, CD / DVD, or paper documents.

**: Regarding (4) and (5), the contractor does not have to submit them unless the hopper uses hydraulic oils, lubricant, and any other hazardous material.

Nomenclature Language Format *Qty. Deadline

(1) Manufacturer inspection result

Japanese or

English pdf 1

More than ten (10) working days before the shipping

(2) Packing figure and weight

Japanese or

English pdf 1

(3) Lifting procedure

Japanese or

English pdf 1

(4)

SDS (Safety Data Sheet) for all oils and any other hazardous material.

English pdf 1

(5)

Certification that the hopper contains no detectable PCBs (less than 0.5ppm) in English and

Japanese.

Japanese and

Submittals (3/3)

d. Completion Documents

*: Three (3) sets in Japanese and one (1) set in English. Additionally, one (1) CD / DVD copy. The CD /DVD copy shall include both Japanese and English version. If (1) and (2) are separate copies, they shall be combined to be one file.

Nomenclature Language Format Qty. Deadline

(1)

Instruction manual

(It shall include following (a) through (f).)

(a) Safety guidance

(Warnings and Cautions)

(b) Equipment specification

(Name/Capacity/Function)

(d) Maintenance and

Inspection

(Item/Cycle/Description)

(e) Troubleshooting

(f) Parts List

(g) Installation information

Japanese and

English pdf *J:3

E:1

Within twenty-five (25) working days after training

(2) Spare parts catalog

Japanese and

English pdf *J:3

E:1

(3) Acceptance test data result

Japanese or

Padeye for hopper

Bracket for forklift claw

Hopper lid with handle

Hopper with skid mount

Bracket for hopper

Manual cut gate

1590mm ～ 1600mm m m m ax

1590mm ～ 1600mm

1600mm (Existing blast machine) 1600mm (Existing blast machine)

Opeing of hopper top

□ 550mm ～ 600mm

Installation surface of hopper

Handle of manual cut gate

Cross-section area of chute outlet:

0.065 ± 0.005 ㎡

Detail for Hopper

Ryouta.Hiruta.ja Line

Ryouta.Hiruta.ja Rectangle

Ryouta.Hiruta.ja Line

Ryouta.Hiruta.ja Rectangle

Ryouta.Hiruta.ja Line

Ryouta.Hiruta.ja Rectangle

Ryouta.Hiruta.ja Line

Ryouta.Hiruta.ja Rectangle

Ryouta.Hiruta.ja Line

Ryouta.Hiruta.ja Rectangle

Kouji.Koyama.ja Text Box Enclosure(1)

Ryouta.Hiruta.ja Line

Bracket for Hopper

Ryouta.Hiruta.ja Oval

Ryouta.Hiruta.ja Line

Kouji.Koyama.ja Text Box Enclosure(2)

Statement of Work with Enclosure PROCURE HOPPER X71

1.03 Enclosure_HOPPER X71

Quotation request_Attachment_hopper

Sheets and Views

Model

Quotation request_Attachment_blast machine

Quotation request_Attachment_blast machine & hopper

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File details come from the government source that posted it. Updated Mar 7, 2026.