Salient_Features_Sheet-EDR.pdf

Saltstone Quonset Hut Salient Features

Savannah River Remediation (SRR), a prime contractor to the Department of Energy at the Savannah River Site near Aiken, SC is purchasing a new Quonset Hut for use at our Saltstone Facility in support of SDU7. This shall be written up as a “Lowest Cost Technically Acceptable” bid.

1.0. Basic Floor Plan

1.1. The vendor shall submit a floorplan for approval after award, as specified on Attachment 1, Engineering Document Requirements (EDR). Vendor shall manufacture / supply the following per the specifications of this SOW to be used at the Savannah River Site:

- One (1) 60’ W X 80’ L X 20’ H S- Model Quonset Hut w/ insulation, endwalls, vents, base connectors, skylights, doors, roll-up doors, bolts, arches, and hardware

- One Professional Engineer stamped engineered blueprint of the S-Model Quonset Hut

- One engineered Microstation/Autocad file of the S-Model Quonset Hut

- 30-year warranty

2.0. Quonset Hut Materials

The vendor shall submit fabrication detail drawings for the S-Model Quonset Hut steel, as specified on the EDR (Att.1). The vendor shall submit erection/installation instructions for the S-Model Quonset Hut steel, as specified on the EDR (Att.1).

2.1. Shall be 22 gauge galvalume (55% aluminum-zinc alloy) ASTM A792 Grade 50A.

50 ksi minimum yield strength, 65 ksi minimum tensile strength.

2.2. Sheet Steel Coating – Galvume Plus Coating with Energy Star Rating with a dry, clear, organic resin coating; Metric:AZM180; Imperial: AZ260-20%.

2.3. Structural Steel shall be Grade 80 steel w/ a yield strength of 80 ksi and a Tensile strength of 82 ksi.

2.4. Arch Panels are to be pre-cut, punched, and corrugated at the factory with a depth corrugation between 7.5” – 9.75”.

2.5. Bolts shall be SAE Grade 2 or ASTM A307

2.6. Washers shall be pre-recessed Polyethylene Sealing washers (LPDE)

2.7. Nuts shall be Hex, Serrated, Self-Locking nuts.

2.8. Heaviest Arch Panel not to exceed 49 lbs.

3.0. Doors, Sky lights

The vendor shall submit fabrication detail drawings for the S-Model Quonset Hut skylights and doors as specified on the EDR (Att. 1). The vendor shall submit erection/installation instructions for the S-Model Quonset Hut skylights and doors as specified on the EDR (Att.1)

3.1. Flat-bottom, V-shaped corrugation to match the panels of the building

3.2. Twenty-Four ounce skylight – One skylight per 10 feet of building

3.3. Each skylight panel is to be pigmented with ultra-violet inhibitors

3.4. 3’ X 7’ Complete Standard insulated access doors are to be located on each Endwall.

4.0. Endwalls

The vendor shall submit fabrication detail drawings for the S-Model Quonset Hut endwalls, as specified on the EDR (Att. 1). The vendor shall submit erection/installation instructions for the S-Model Quonset Hut endwalls, as specified on the EDR (Att.1)

4.1. Shall be designed in accordance to the door system of the S-Model Quonset Hut

4.2. Endwalls shall include a Trim Kit.

4.3. Endwalls are to be standard silver color and have a minimum thickness of 0.03 inches.

4.4. Each endwall shall have one 10’H X 16’W roll up door. The door shall be chain driven and insulated.

4.5. Each endwall shall have on 3’ X 7’ Complete Standard insulated endwall door

4.6. Endwall panels to be precut, punched, and corrugated at the factory

4.7. Endwall panels are to be same material as the Arch panels

5.0. Vents

The vendor shall submit fabrication detail drawings for the S-Model Quonset Hut vents, as specified on the EDR (Att. 1). The vendor shall submit erection/installation instructions for the S-Model Quonset Hut vents, as specified on the EDR (Att.1)

5.1. The Quonset Hut shall include one air circulating turbine vent per 20 feet (or 600 sf) of building.

5.2. The turbine vents shall be capable of withstanding wind velocities of 120 mph.

5.3. The turbine vents shall be wind powered

6.0. Insulation

The vendor shall submit fabrication detail drawings for the S-Model Quonset Hut insulation, as specified on the EDR (Att. 1). The vendor shall submit erection/installation instructions for the S-Model Quonset Hut insulation, as specified on the EDR (Att.1)

6.1. Shall provide metal building insulation rolls.

6.2. Each roll shall come in lengths of 4-8 feet.

6.3. The insulation shall have an R-3 per inch value.

7.0. Foundation Slab

The vendor shall submit fabrication detail drawings for the 80’ X 60’ S-Model Quonset Hut foundation concrete slab, as specified on the EDR (Att. 1). The foundation slab shall provide at a minimum the following:

7.1. Soil requirements for slab on grade

7.2. General shape and scale of the concrete slab

7.3. 28 day compressive strength of the concrete (f’c)

7.4. Minimum thicknesses of the concrete

7.5. Size, grade (Fy), spacing, and cover of reinforcing steel

8.0. Minimum Structural Input

Vendor shall submit structural calculations to support adherence to the following specifications which must be approved prior to fabrication, as specified in the EDR (Att. 1).

8.1. Structures, systems, and components (SSC) shall be designed in accordance with ASCE 7-10, IBC-2012 and the codes listed therein as references as amended below.

8.2. Live Load shall be considered for IBC-2012.

8.3. Wind Loads (W)

8.3.1. Three Second Wind Speed, V = 117 mph

8.3.2. Exposure “C”

8.3.3. Importance Factor, IW = 1.0

8.4. Ice Loads (Di, Wi) where controlling

8.4.1. Nominal Ice Thickness, t = 0.5 in

8.4.2. Concurrent Wind Speed, Vc = 30 mph

8.4.3. Importance Factor for Wind Pressure, Iw = 1.0

8.4.4. Importance Factor for Ice Accretion, Ii = 1.0

8.5. Snow Loads (S)

8.5.1. Ground Snow Load, pg = 5 psf

8.5.2. Importance Factor, IS = 1.0

8.6. Rain Loads (R) and Ponding Loads (P) where controlling

8.6.1. Design Rainfall Event 100 year, 1 hr, 3.5 in total accumulation

8.7. Seismic Loads (E)

8.7.1. Importance Factor, IE = 1.0

8.7.2. Site Classification D

8.7.3. ICC IBC Table 1604.5 Category II

8.7.4. ICC IBC Seismic Design Category C

8.7.5. Spectral Acceleration Short Period, SDS = 0.316g

8.7.6. Spectral Acceleration 1.0 second period, SD1 = 0.17g

8.8. Geotechnical Data

8.8.1. System location: Savannah River Site in Aiken County, South Carolina

8.8.2. Modulus of subgrade reaction for 1 sq.ft.: K = 15 to 40 kcf

8.8.3. Frost penetration depth: 5 inches below finished grade

8.8.4. Allowable soil bearing capacity at grade: 1,500 psf

8.8.5. Water table below 50’

8.9. Anchorage design and material shall be provided by the Vendor.

8.10. Vendor shall submit calculations to justify structural integrity of the S-Model.

8.11. Vendor may exceed the Structural Design Requirements where conservative results are produced with no additional impact to SRS.

9.0. Shipping Requirements

As part of the contract, any damage done to the S-Model Quonset Hut and Accessories during transit to the site shall be the responsibility of the vendor. Vendor shall submit a copy of the shipping preparation procedure as specified in the EDR (Att. 1).

10.0. Submittal Requirements

The proposal shall include specifications, equipment cut sheets, floor plan and fabrication/delivery time

11.0. Acceptance

11.1. SRR will provide comments and feedback within two (2) weeks of receipt of required documents.

11.2. Any changes after award must use a Supplier Deviation Disposition Request (SDDR), provided by SRR Procurement.

12.0. Other

Installation at the Savannah River Site shall be performed by SRR including reinforced concrete foundation.

Attachment 1